/* ==========================================================
   Learning Hub Design System
   Extends the qReflector base tokens from style.css.
   Every class used in templates MUST be defined here.
   ========================================================== */

/* ----------------------------------------------------------
   0. Extended Tokens (not in base style.css)
   ---------------------------------------------------------- */
:root {
  --spacing-xxl: 120px;

  /* Section colours */
  --learn-section-start: #38DDF5;
  --learn-section-quantum: #60A5FA;
  --learn-section-crypto: #A78BFA;
  --learn-section-pqc: #2DD4BF;
  --learn-section-readiness: #F59E0B;
  --learn-section-role: #FB7185;
  --learn-section-start-rgb: 56, 221, 245;
  --learn-section-quantum-rgb: 96, 165, 250;
  --learn-section-crypto-rgb: 167, 139, 250;
  --learn-section-pqc-rgb: 45, 212, 191;
  --learn-section-readiness-rgb: 245, 158, 11;
  --learn-section-role-rgb: 251, 113, 133;

  /* Level badge colours */
  --learn-level-overview: #94A3B8;
  --learn-level-beginner: #34D399;
  --learn-level-practical: #60A5FA;
  --learn-level-technical: #F59E0B;
  --learn-level-role: #FB7185;
  --learn-level-overview-rgb: 148, 163, 184;
  --learn-level-beginner-rgb: 52, 211, 153;
  --learn-level-practical-rgb: 96, 165, 250;
  --learn-level-technical-rgb: 245, 158, 11;
  --learn-level-role-rgb: 251, 113, 133;

  /* Bubble / chip sizing (sm / md / lg) — mirrors style.css tokens */
  --qr-bubble-sm: 24px;
  --qr-bubble-md: 32px;
  --qr-bubble-lg: 44px;
  --qr-chip-height-sm: 24px;
  --qr-chip-height-md: 32px;
  --qr-chip-height-lg: 44px;
}

/* ----------------------------------------------------------
   1. Layout Shells
   ---------------------------------------------------------- */
.learning-shell {
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(1.25rem, 4vw, 2rem);
  padding-right: clamp(1.25rem, 4vw, 2rem);
}
.learning-shell--wide      { max-width: 1180px; }
.learning-shell--flagship  { max-width: 1120px; }
.learning-shell--section   { max-width: 1080px; }
.learning-shell--pragmatic { max-width: 980px; }
.learning-shell--article   { max-width: 860px; }

/* ----------------------------------------------------------
   2. Section Spacing
   ---------------------------------------------------------- */
.learning-section {
  margin-bottom: clamp(56px, 8vw, 96px);
}
.learning-section--tight {
  margin-bottom: clamp(32px, 5vw, 56px);
}

/* ----------------------------------------------------------
   3. Stacks & Grids
   ---------------------------------------------------------- */
.learning-stack {
  display: flex;
  flex-direction: column;
  gap: clamp(1rem, 2.5vw, 1.5rem);
}

.learning-grid {
  display: grid;
  gap: clamp(1.25rem, 3vw, 1.75rem);
}
.learning-grid--2 {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
}
.learning-grid--3 {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
}
.learning-grid--4 {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
}

/* ----------------------------------------------------------
   4. Typography (learning-specific)
   ---------------------------------------------------------- */
.learning-title {
  font-family: var(--font-family-h1);
  font-size: clamp(36px, 5.5vw, 64px);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--color-on-surface);
}
.learning-subtitle {
  font-family: var(--font-family-body);
  font-size: clamp(17px, 2vw, 22px);
  line-height: 1.65;
  color: var(--color-on-surface-variant);
}
.learning-body {
  font-family: var(--font-family-body);
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.65;
  color: var(--color-on-surface-variant);
}

/* ----------------------------------------------------------
   5. Cards
   ---------------------------------------------------------- */
.learning-card {
  padding: clamp(1.25rem, 3vw, 2rem);
  border-radius: var(--rounded-xl);
  background: rgba(23, 29, 30, 0.6);
  border: 1px solid rgba(109, 121, 125, 0.12);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
}
.learning-card--hoverable {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.3s;
  text-decoration: none;
}
.learning-card--hoverable:hover {
  transform: translateY(-3px);
  border-color: rgba(76, 215, 246, 0.35);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4), 0 0 16px rgba(76, 215, 246, 0.08);
}
.learning-card--warning {
  border-top: 3px solid var(--color-legacy-amber);
  background: linear-gradient(180deg, rgba(251, 191, 36, 0.04) 0%, rgba(0,0,0,0) 100%);
}
.learning-card--primary {
  border-top: 3px solid var(--color-primary);
  background: linear-gradient(180deg, rgba(76, 215, 246, 0.04) 0%, rgba(0,0,0,0) 100%);
}
.learning-card--callout {
  border-left: 4px solid var(--color-primary);
  background: linear-gradient(90deg, rgba(76,215,246,0.04) 0%, rgba(0,0,0,0) 100%);
}
.learning-card--dashed {
  border: 1px dashed rgba(255,255,255,0.12);
  background: linear-gradient(180deg, rgba(255,255,255,0.02) 0%, rgba(0,0,0,0) 100%);
}

/* Reference cards: visually distinct from related cards */
.learning-card--reference {
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(0,0,0,0.25);
  border-top: 3px solid var(--color-outline-variant);
  transition: border-color 0.2s, background 0.2s;
}
.learning-card--reference:hover {
  border-color: rgba(255,255,255,0.15);
  border-top-color: var(--color-primary);
  background: rgba(255,255,255,0.03);
}

/* ----------------------------------------------------------
   6. Badges (extend base)
   ---------------------------------------------------------- */
.badge--primary {
  background-color: rgba(76, 215, 246, 0.15);
  border-color: rgba(76, 215, 246, 0.3);
  color: var(--color-primary);
}
.badge--warning {
  background-color: rgba(251, 191, 36, 0.1);
  border-color: rgba(251, 191, 36, 0.25);
  color: var(--color-legacy-amber);
}
.badge--subtle {
  background: rgba(255,255,255,0.04);
  border-color: rgba(255,255,255,0.08);
  color: var(--color-on-surface-variant);
}

/* Article hero meta (pattern · reading time) — same family as hub/section pills */
.learning-article-meta {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.35em;
  width: fit-content;
  max-width: 100%;
  margin: 0 0 clamp(0.75rem, 2vw, 1rem);
  padding: 0.35rem 0.75rem;
  border-radius: var(--rounded-full);
  font-family: var(--font-family-label);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1.25;
  text-transform: none;
  color: var(--color-on-surface-variant);
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-sizing: border-box;
}

.learning-section--tight > .badge--warning + .learning-article-meta {
  margin-top: 0.4rem;
}
.learning-article-hero .learning-article-meta,
.learning-flagship-hero .learning-article-meta {
  margin-bottom: clamp(1.05rem, 2.2vw, 1.5rem);
}

/* ----------------------------------------------------------
   7. Breadcrumbs
   ---------------------------------------------------------- */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 13px;
  font-family: var(--font-family-label);
  letter-spacing: 0.04em;
  color: var(--color-on-surface-variant);
  background: rgba(255,255,255,0.03);
  padding: 8px 18px;
  border-radius: var(--rounded-full);
  border: 1px solid rgba(255,255,255,0.06);
  width: fit-content;
}
.breadcrumb__link {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s;
}
.breadcrumb__link:hover {
  color: #fff;
}
.breadcrumb__separator {
  color: var(--color-outline-variant);
  font-size: 14px;
}
.breadcrumb__current {
  color: var(--color-on-surface);
  opacity: 0.7;
}

/* ----------------------------------------------------------
   8. Buttons & Navigation
   ---------------------------------------------------------- */
.learning-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 28px;
  font-family: var(--font-family-body);
  font-size: clamp(15px, 1.2vw, 17px);
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--rounded-full);
  transition: opacity 0.2s, transform 0.1s, background 0.2s, box-shadow 0.2s;
  text-align: center;
  line-height: 1.4;
}
.learning-btn:active { transform: scale(0.97); }
.learning-btn--primary {
  background: var(--color-primary);
  color: var(--color-on-primary);
  border: 1px solid transparent;
}
.learning-btn--primary:hover {
  opacity: 0.9;
  box-shadow: 0 0 16px rgba(76, 215, 246, 0.3);
}

.learning-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: clamp(14px, 1.2vw, 15px);
  color: var(--color-on-surface-variant);
  text-decoration: none;
  transition: color 0.2s;
  font-weight: 500;
}
.learning-link:hover {
  color: var(--color-primary);
}

/* ----------------------------------------------------------
   9. Path Banner
   ---------------------------------------------------------- */
.path-progress-banner {
  background: linear-gradient(90deg, var(--color-surface-container) 0%, rgba(76,215,246,0.06) 100%);
  border-bottom: 1px solid rgba(76, 215, 246, 0.12);
  padding: 8px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  font-family: var(--font-family-body);
}
.path-progress-banner button {
  color: var(--color-outline);
  text-decoration: underline;
  font-size: 12px;
  background: none;
  border: none;
  cursor: pointer;
  transition: color 0.2s;
}
.path-progress-banner button:hover {
  color: var(--color-error);
}

/* ----------------------------------------------------------
   10. Section heading pattern
   ---------------------------------------------------------- */
.learning-heading {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
}
.learning-heading__icon {
  font-size: 28px;
  color: var(--color-primary);
}
.learning-heading__title {
  font-family: var(--font-family-h2);
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-on-surface);
  margin: 0;
}
.learning-heading__title--muted {
  color: var(--color-on-surface-variant);
}

/* ----------------------------------------------------------
   11. Glow (decorative background)
   ---------------------------------------------------------- */
.learning-glow {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 70%;
  max-width: 800px;
  height: 500px;
  background: radial-gradient(circle, rgba(76,215,246,0.06) 0%, rgba(0,0,0,0) 60%);
  z-index: -1;
  pointer-events: none;
}
.learning-glow--strong {
  background: radial-gradient(circle, rgba(76,215,246,0.1) 0%, rgba(0,0,0,0) 60%);
  height: 700px;
}

/* ----------------------------------------------------------
   12. Separator
   ---------------------------------------------------------- */
.learning-separator {
  border: none;
  border-top: 1px solid rgba(255,255,255,0.06);
  margin: 0;
}
.learning-separator--dashed {
  border-top-style: dashed;
  border-top-color: rgba(255,255,255,0.12);
}

/* ----------------------------------------------------------
   13. Table (learning-specific)
   ---------------------------------------------------------- */
.learning-table-wrap {
  border-radius: var(--rounded-xl);
  border: 1px solid rgba(255,255,255,0.06);
  overflow-x: auto;
  background: rgba(23, 29, 30, 0.5);
}
.learning-table {
  width: 100%;
  min-width: 560px;
  text-align: left;
  border-collapse: collapse;
}
.learning-table th {
  padding: clamp(1rem, 2vw, 1.5rem);
  font-family: var(--font-family-label);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--color-outline-variant);
  background: rgba(48, 54, 56, 0.4);
}
.learning-table td {
  padding: clamp(1rem, 2vw, 1.5rem);
  font-size: 15px;
  line-height: 1.5;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

/* ----------------------------------------------------------
   14. Learning Page Spacing
   ---------------------------------------------------------- */
.section--learning {
  padding-top: clamp(2rem, 4vw, 2.5rem);
  padding-bottom: var(--spacing-2xl);
}

/* ----------------------------------------------------------
   14b. Learning Hub Brand Header
   ---------------------------------------------------------- */
.learning-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  height: 100%;
}
.learning-brand__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: inherit;
  font-family: var(--font-family-h1);
  letter-spacing: -0.02em;
}
.learning-brand__link .material-icon {
  font-size: 24px;
}
.learning-brand__main {
  font-family: var(--font-family-h1);
  font-size: 24px;
  line-height: 1;
  font-weight: 700;
  color: #fff;
}
.learning-brand__separator {
  font-size: 24px;
  line-height: 1;
  opacity: 0.35;
  color: var(--color-outline-variant);
}
.learning-brand__hub {
  font-family: var(--font-family-h1);
  font-size: 20px;
  line-height: 1;
  font-weight: 600;
  color: var(--color-on-surface-variant);
  text-decoration: none;
  transition: color 0.2s;
}
.learning-brand__hub:hover {
  color: var(--color-primary);
}

/* ----------------------------------------------------------
   15. Readiness Atlas — Positioned Hub-and-Spoke
   ---------------------------------------------------------- */
.learning-atlas-map {
  position: relative;
  min-height: 560px;
  max-width: 1100px;
  margin: 0 auto;
}
.learning-atlas-map__lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}
.learning-atlas-map__lines line {
  stroke: #4CD7F6;
  stroke-width: 3;
  opacity: 0.65;
}
/* Shared node styles */
.learning-atlas-node,
.learning-atlas-center {
  position: absolute;
  width: clamp(210px, 22vw, 280px);
  min-height: 120px;
  padding: clamp(1rem, 2vw, 1.5rem);
  border-radius: var(--rounded-xl);
  background: rgba(23, 29, 30, 0.65);
  border: 1px solid rgba(109, 121, 125, 0.12);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  text-decoration: none;
  z-index: 1;
}
.learning-atlas-node {
  cursor: pointer;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.3s;
}
.learning-atlas-node:hover {
  transform: translateY(-3px);
  border-color: rgba(76, 215, 246, 0.35);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4), 0 0 20px rgba(76, 215, 246, 0.1);
}
/* Center node */
.learning-atlas-center {
  left: 50%;
  top: 50%;
  width: clamp(230px, 26vw, 300px);
  min-height: 145px;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(76,215,246,0.2);
  background: linear-gradient(135deg, rgba(76,215,246,0.08) 0%, rgba(20,184,166,0.04) 100%);
  cursor: default;
  box-shadow: 0 0 60px rgba(76,215,246,0.08);
}
.learning-atlas-center__icon {
  font-size: 36px;
  color: var(--color-primary);
  margin-bottom: 8px;
}
/* Shared text styles (reused from old atlas) */
.learning-atlas__node-icon {
  font-size: 28px;
  color: var(--color-primary);
  margin-bottom: 8px;
}
.learning-atlas__node-title {
  font-family: var(--font-family-h3);
  font-size: clamp(14px, 1.5vw, 16px);
  font-weight: 700;
  color: var(--color-on-surface);
  margin-bottom: 4px;
}
.learning-atlas__node-desc {
  font-size: 12px;
  color: var(--color-on-surface-variant);
  line-height: 1.4;
}
/* Outer node placement */
.learning-atlas-node--top {
  left: 50%;
  top: 0;
  transform: translateX(-50%);
}
.learning-atlas-node--top:hover {
  transform: translateX(-50%) translateY(-3px);
}
.learning-atlas-node--left-top {
  left: 0;
  top: 150px;
}
.learning-atlas-node--right-top {
  right: 0;
  top: 150px;
}
.learning-atlas-node--left-bottom {
  left: 5%;
  bottom: 80px;
}
.learning-atlas-node--right-bottom {
  right: 5%;
  bottom: 80px;
}
.learning-atlas-node--bottom {
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
}
.learning-atlas-node--bottom:hover {
  transform: translateX(-50%) translateY(-3px);
}

/* ----------------------------------------------------------
   16. Concept Index Table
   ---------------------------------------------------------- */
.learning-concept-index {
  border-radius: var(--rounded-xl);
  border: 1px solid rgba(255,255,255,0.06);
  overflow-x: auto;
  background: rgba(23, 29, 30, 0.5);
}
.learning-concept-index__header {
  padding: clamp(1rem, 2vw, 1.25rem) clamp(1rem, 2vw, 1.5rem);
  border-bottom: 1px solid var(--color-outline-variant);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.learning-concept-index table {
  width: 100%;
  min-width: 560px;
  text-align: left;
  border-collapse: collapse;
}
.learning-concept-index th {
  padding: clamp(0.75rem, 1.5vw, 1rem) clamp(1rem, 2vw, 1.5rem);
  font-family: var(--font-family-label);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--color-outline-variant);
  background: rgba(48, 54, 56, 0.4);
  color: var(--color-on-surface-variant);
}
.learning-concept-index td {
  padding: clamp(0.75rem, 1.5vw, 1rem) clamp(1rem, 2vw, 1.5rem);
  font-size: 15px;
  line-height: 1.5;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.learning-concept-index tr {
  transition: background-color 0.2s;
}
.learning-concept-index tbody tr:not(.learning-table__section-row):hover {
  background-color: var(--color-surface-container-high);
}
.learning-concept-index a {
  color: var(--color-on-surface);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s;
}
.learning-concept-index a:hover {
  color: var(--color-primary);
}
.learning-concept-index__desc {
  display: block;
  font-size: 13px;
  font-weight: 400;
  color: var(--color-on-surface-variant);
  margin-top: 2px;
  line-height: 1.3;
}

/* Section group rows — base */
.learning-table__section-row td {
  padding-top: clamp(1rem, 2vw, 1.25rem);
  padding-bottom: clamp(0.5rem, 1vw, 0.75rem);
  font-family: var(--font-family-label);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.learning-table__section-accent {
  display: inline-block;
  width: 3px;
  height: 14px;
  border-radius: 2px;
  margin-right: 10px;
  vertical-align: middle;
}

/* Section row colour classes */
.learning-table__section-row--start {
  border-left: 4px solid var(--learn-section-start);
  background: rgba(var(--learn-section-start-rgb), 0.10);
}
.learning-table__section-row--start td { color: var(--learn-section-start); }
.learning-table__section-row--start .learning-table__section-accent { background: var(--learn-section-start); }

.learning-table__section-row--quantum {
  border-left: 4px solid var(--learn-section-quantum);
  background: rgba(var(--learn-section-quantum-rgb), 0.10);
}
.learning-table__section-row--quantum td { color: var(--learn-section-quantum); }
.learning-table__section-row--quantum .learning-table__section-accent { background: var(--learn-section-quantum); }

.learning-table__section-row--crypto {
  border-left: 4px solid var(--learn-section-crypto);
  background: rgba(var(--learn-section-crypto-rgb), 0.10);
}
.learning-table__section-row--crypto td { color: var(--learn-section-crypto); }
.learning-table__section-row--crypto .learning-table__section-accent { background: var(--learn-section-crypto); }

.learning-table__section-row--pqc {
  border-left: 4px solid var(--learn-section-pqc);
  background: rgba(var(--learn-section-pqc-rgb), 0.10);
}
.learning-table__section-row--pqc td { color: var(--learn-section-pqc); }
.learning-table__section-row--pqc .learning-table__section-accent { background: var(--learn-section-pqc); }

.learning-table__section-row--readiness {
  border-left: 4px solid var(--learn-section-readiness);
  background: rgba(var(--learn-section-readiness-rgb), 0.10);
}
.learning-table__section-row--readiness td { color: var(--learn-section-readiness); }
.learning-table__section-row--readiness .learning-table__section-accent { background: var(--learn-section-readiness); }

.learning-table__section-row--role {
  border-left: 4px solid var(--learn-section-role);
  background: rgba(var(--learn-section-role-rgb), 0.10);
}
.learning-table__section-row--role td { color: var(--learn-section-role); }
.learning-table__section-row--role .learning-table__section-accent { background: var(--learn-section-role); }

/* Level badges */
.learning-level-badge {
  display: inline-flex;
  align-items: center;
  min-height: var(--qr-chip-height-sm);
  border-radius: 999px;
  padding: 0.2rem 0.55rem;
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
}
.learning-level-badge--overview {
  color: var(--learn-level-overview);
  background: rgba(var(--learn-level-overview-rgb), 0.12);
  border: 1px solid rgba(var(--learn-level-overview-rgb), 0.32);
}
.learning-level-badge--beginner {
  color: var(--learn-level-beginner);
  background: rgba(var(--learn-level-beginner-rgb), 0.12);
  border: 1px solid rgba(var(--learn-level-beginner-rgb), 0.32);
}
.learning-level-badge--practical {
  color: var(--learn-level-practical);
  background: rgba(var(--learn-level-practical-rgb), 0.12);
  border: 1px solid rgba(var(--learn-level-practical-rgb), 0.32);
}
.learning-level-badge--technical {
  color: var(--learn-level-technical);
  background: rgba(var(--learn-level-technical-rgb), 0.12);
  border: 1px solid rgba(var(--learn-level-technical-rgb), 0.32);
}
.learning-level-badge--role {
  color: var(--learn-level-role);
  background: rgba(var(--learn-level-role-rgb), 0.12);
  border: 1px solid rgba(var(--learn-level-role-rgb), 0.32);
}

/* Clickable concept rows */
.learning-concept-row {
  cursor: pointer;
}
.learning-concept-row:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
}

/* Formula items (Featured Companies Guide) */
.learning-formula-item {
  padding: 8px 16px;
  border-radius: var(--rounded-md);
  border: 1px solid rgba(109,121,125,0.15);
  background: rgba(255,255,255,0.03);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-on-surface);
}
.learning-formula-op {
  font-size: 18px;
  font-weight: 400;
  color: var(--color-on-surface-variant);
  line-height: 1;
}
.learning-formula-result {
  padding: 8px 16px;
  border-radius: var(--rounded-md);
  border: 1px solid rgba(76,215,246,0.25);
  background: rgba(76,215,246,0.08);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-primary);
}
.learning-featured-guide {
  border-color: rgba(76, 215, 246, 0.14) !important;
}
.learning-featured-formula {
  gap: clamp(0.55rem, 1.5vw, 0.8rem) !important;
}
.learning-featured-formula .learning-formula-item,
.learning-featured-formula .learning-formula-result {
  border-radius: var(--rounded-lg);
  padding: 0.55rem 0.8rem;
  line-height: 1.25;
}

/* ----------------------------------------------------------
   17. Scan Component Family
   ---------------------------------------------------------- */
.learning-scan {
  padding: clamp(1.25rem, 3vw, 2rem);
  border-radius: var(--rounded-xl);
  background: rgba(23, 29, 30, 0.6);
  border: 1px solid rgba(109, 121, 125, 0.12);
  border-left: 4px solid var(--color-primary);
  background: linear-gradient(90deg, rgba(76,215,246,0.04) 0%, rgba(0,0,0,0) 100%);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.learning-scan__heading {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: clamp(1rem, 2.5vw, 1.5rem);
}
.learning-scan__heading-icon {
  font-size: 24px;
  color: var(--color-primary);
}
.learning-scan__heading-label {
  font-family: var(--font-family-label);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-on-surface);
}
.learning-scan__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1rem, 2.5vw, 1.5rem);
}
.learning-scan__item-label {
  font-family: var(--font-family-label);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 8px;
}
.learning-scan__item-text {
  font-family: var(--font-family-body);
  font-size: clamp(14px, 1.1vw, 16px);
  line-height: 1.6;
  color: var(--color-on-surface);
}

/* ----------------------------------------------------------
   17b. Approved Article Reading Experience
   ---------------------------------------------------------- */
.learning-shell--approved-article {
  max-width: 960px;
}
.learning-article-hero {
  position: relative;
  padding: clamp(2rem, 5vw, 4.25rem) clamp(1.1rem, 3.5vw, 2rem) clamp(1.5rem, 4vw, 2.75rem);
  margin: clamp(1rem, 3vw, 1.75rem) 0 clamp(52px, 8vw, 84px);
  border-left: 3px solid rgba(76, 215, 246, 0.34);
  border-radius: var(--rounded-xl);
  background:
    radial-gradient(circle at 8% 18%, rgba(76, 215, 246, 0.09), transparent 38%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.035) 0%, rgba(23, 29, 30, 0.08) 72%);
}
.learning-article-hero .learning-article-meta {
  margin-bottom: clamp(1.1rem, 2.2vw, 1.65rem);
}
.learning-article-hero .learning-title {
  max-width: 800px;
  margin-bottom: clamp(1.45rem, 3.5vw, 2.35rem);
  line-height: 1.06;
}
.learning-article-hero__big-idea {
  max-width: 780px;
  color: var(--color-on-surface);
  font-size: clamp(19px, 2.4vw, 25px);
  line-height: 1.55;
  margin-bottom: clamp(1rem, 2vw, 1.25rem);
}
.learning-article-hero__intro {
  max-width: 720px;
  display: grid;
  gap: 0.45rem;
  padding-left: clamp(1.1rem, 2.5vw, 1.45rem);
  border-left: 2px solid rgba(76, 215, 246, 0.28);
}
.learning-article-hero__intro .learning-body {
  margin: 0;
  font-size: clamp(16px, 1.4vw, 18px);
}
.learning-article-panel {
  padding: clamp(1.35rem, 3vw, 2.25rem);
  border-radius: var(--rounded-xl);
  background: rgba(23, 29, 30, 0.42);
  border: 1px solid rgba(109, 121, 125, 0.12);
}
.learning-article-panel--quiet {
  background:
    radial-gradient(circle at 12% 12%, rgba(76, 215, 246, 0.055), transparent 34%),
    rgba(255, 255, 255, 0.026);
  border-color: rgba(76, 215, 246, 0.13);
}
.learning-article-panel--make-clear {
  border-left: 3px solid rgba(76, 215, 246, 0.7);
  background: linear-gradient(90deg, rgba(76, 215, 246, 0.055) 0%, rgba(23, 29, 30, 0.26) 72%);
}
.learning-article-panel--warning {
  border-left: 3px solid var(--color-legacy-amber);
  background: linear-gradient(90deg, rgba(251, 191, 36, 0.055) 0%, rgba(23, 29, 30, 0.26) 72%);
}
.learning-article-panel--primary {
  border-left: 3px solid var(--color-primary);
  background: linear-gradient(90deg, rgba(76, 215, 246, 0.055) 0%, rgba(23, 29, 30, 0.26) 72%);
}
.learning-article-panel .learning-body + .learning-body,
.learning-advisory-panel .learning-body + .learning-body,
.learning-example .learning-body + .learning-body {
  margin-top: 0.65rem;
}
.learning-article-kicker {
  font-family: var(--font-family-h3);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.35;
  font-weight: 600;
  color: var(--color-on-surface);
  margin: 0 0 1rem;
}
.learning-article-kicker--spaced {
  margin-top: clamp(1.5rem, 3vw, 2rem);
}
.learning-scan--article {
  padding: clamp(1.35rem, 3.2vw, 2.15rem);
  background:
    linear-gradient(90deg, rgba(76, 215, 246, 0.055) 0%, rgba(23, 29, 30, 0.46) 34%, rgba(23, 29, 30, 0.32) 100%);
  border: 1px solid rgba(76, 215, 246, 0.12);
  border-left: 0;
}
.learning-scan--article .learning-scan__heading {
  padding-bottom: clamp(0.85rem, 2vw, 1.15rem);
  margin-bottom: 0;
  border-bottom: 1px solid rgba(76, 215, 246, 0.12);
}
.learning-scan--article .learning-scan__grid {
  grid-template-columns: 1fr;
  gap: 0;
}
.learning-scan--article .learning-scan__grid > div {
  display: grid;
  grid-template-columns: minmax(150px, 0.42fr) 1fr;
  gap: clamp(1rem, 3vw, 1.75rem);
  padding: clamp(1rem, 2.2vw, 1.35rem) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.learning-scan--article .learning-scan__grid > div:last-child {
  padding-bottom: 0;
}
.learning-scan--article .learning-scan__item-label {
  margin-bottom: 0;
  color: var(--color-primary);
  letter-spacing: 0.11em;
}
.learning-scan--article .learning-scan__item-text {
  color: var(--color-on-surface);
  line-height: 1.65;
  max-width: 620px;
}
.learning-scan--pragmatic {
  border-color: rgba(45, 212, 191, 0.14);
}
.learning-scan--pragmatic .learning-scan__heading {
  border-bottom-color: rgba(45, 212, 191, 0.12);
}
.learning-scan--pragmatic .learning-scan__item-label {
  color: var(--color-ready-teal);
}
.learning-scan--flagship {
  border-color: rgba(76, 215, 246, 0.14);
  background:
    linear-gradient(90deg, rgba(76, 215, 246, 0.052) 0%, rgba(23, 29, 30, 0.44) 36%, rgba(23, 29, 30, 0.28) 100%);
}
@media (min-width: 901px) {
  .learning-scan--flagship .learning-scan__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px;
    overflow: hidden;
    border-radius: var(--rounded-lg);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.055);
  }
  .learning-scan--flagship .learning-scan__grid > div {
    display: block;
    padding: clamp(0.9rem, 1.8vw, 1.15rem);
    background: rgba(23, 29, 30, 0.56);
    border-top: 0;
  }
  .learning-scan--flagship .learning-scan__item-label {
    margin-bottom: 0.4rem;
  }
  .learning-scan--flagship .learning-scan__item-text {
    max-width: none;
    line-height: 1.58;
  }
}
.learning-concept-notes {
  display: grid;
  gap: 0;
  counter-reset: concept-step;
}
.learning-concept-note {
  counter-increment: concept-step;
  position: relative;
  display: grid;
  grid-template-columns: minmax(180px, 0.42fr) 1fr;
  gap: clamp(1rem, 3vw, 1.75rem);
  padding: clamp(1.1rem, 2.7vw, 1.55rem) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.learning-concept-note:first-child {
  border-top: 0;
  padding-top: 0;
}
.learning-concept-note:last-child {
  padding-bottom: 0;
}
.learning-concept-note h4 {
  font-family: var(--font-family-label);
  font-size: 13px;
  line-height: 1.4;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin: 0;
}
.learning-concept-note h4::before {
  content: counter(concept-step, decimal-leading-zero);
  display: block;
  width: fit-content;
  margin-bottom: 0.55rem;
  padding: 0.2rem 0.5rem;
  border-radius: var(--rounded-full);
  background: rgba(76, 215, 246, 0.08);
  border: 1px solid rgba(76, 215, 246, 0.16);
  color: var(--color-on-surface-variant);
  font-size: 11px;
  letter-spacing: 0.08em;
}
.learning-concept-note .learning-body {
  margin: 0;
  color: var(--color-on-surface);
}
.learning-article-flow {
  padding: clamp(1.4rem, 3.4vw, 2.35rem);
  border-radius: var(--rounded-xl);
  border: 1px solid rgba(76, 215, 246, 0.14);
  background:
    radial-gradient(circle at 100% 0%, rgba(45, 212, 191, 0.06), transparent 34%),
    rgba(255, 255, 255, 0.026);
}
.learning-article-flow__eyebrow {
  font-family: var(--font-family-label);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: clamp(1rem, 3vw, 1.5rem);
}
.learning-article-flow__track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(0.85rem, 2vw, 1.15rem);
}
.learning-article-flow__track::before {
  content: "";
  position: absolute;
  left: 7%;
  right: 7%;
  top: 25px;
  height: 1px;
  background: linear-gradient(90deg, rgba(76, 215, 246, 0.08), rgba(76, 215, 246, 0.34), rgba(45, 212, 191, 0.16));
}
.learning-article-flow__step {
  position: relative;
  z-index: 1;
  padding: clamp(1.05rem, 2.2vw, 1.4rem);
  border-radius: var(--rounded-lg);
  background: rgba(23, 29, 30, 0.62);
  border: 1px solid rgba(109, 121, 125, 0.12);
}
.learning-article-flow__step:nth-child(2) {
  border-color: rgba(251, 191, 36, 0.2);
}
.learning-article-flow__step:nth-child(3),
.learning-article-flow__step:nth-child(4) {
  border-color: rgba(76, 215, 246, 0.17);
}
.learning-article-flow__step:not(:last-child)::after {
  content: "→";
  position: absolute;
  top: 50%;
  right: -0.85rem;
  transform: translateY(-50%);
  color: var(--color-primary);
  font-size: 20px;
  line-height: 1;
}
.learning-article-flow__number {
  width: var(--qr-bubble-md);
  height: var(--qr-bubble-md);
  display: grid;
  place-items: center;
  border-radius: var(--rounded-full);
  background: rgba(76, 215, 246, 0.1);
  border: 1px solid rgba(76, 215, 246, 0.18);
  color: var(--color-primary);
  font-family: var(--font-family-label);
  font-weight: 700;
  font-size: 12px;
  margin-bottom: 0.75rem;
}
.learning-article-flow__step h4 {
  font-family: var(--font-family-h3);
  font-size: 16px;
  line-height: 1.35;
  font-weight: 600;
  color: var(--color-on-surface);
  margin: 0 0 0.75rem;
}
.learning-article-flow__step .learning-body {
  margin: 0 0 0.25rem;
  font-size: 14px;
  line-height: 1.55;
}
.learning-section--comparison {
  margin-bottom: clamp(64px, 9vw, 108px);
}
.learning-comparison-block {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(1rem, 3vw, 1.35rem);
}
.learning-comparison-panel {
  position: relative;
  display: grid;
  gap: clamp(1rem, 2.5vw, 1.25rem);
  align-content: start;
  padding: clamp(1.25rem, 3vw, 1.8rem);
  border-radius: var(--rounded-xl);
  border: 1px solid rgba(109, 121, 125, 0.12);
  background: rgba(23, 29, 30, 0.36);
}
.learning-comparison-panel--changes {
  border-color: rgba(76, 215, 246, 0.18);
  background: linear-gradient(180deg, rgba(76, 215, 246, 0.055) 0%, rgba(23, 29, 30, 0.34) 58%);
}
.learning-comparison-panel--continuity {
  border-color: rgba(45, 212, 191, 0.16);
  background: linear-gradient(180deg, rgba(45, 212, 191, 0.04) 0%, rgba(23, 29, 30, 0.34) 58%);
}
.learning-comparison-panel--warning {
  border-color: rgba(251, 191, 36, 0.18);
  background: linear-gradient(180deg, rgba(251, 191, 36, 0.045) 0%, rgba(23, 29, 30, 0.34) 58%);
}
.learning-comparison-panel--warning .learning-comparison-panel__label {
  color: var(--color-legacy-amber);
  border-color: rgba(251, 191, 36, 0.18);
  background: rgba(251, 191, 36, 0.06);
}
.learning-comparison-panel__label {
  width: fit-content;
  margin: 0;
  padding: 0.35rem 0.7rem;
  border-radius: var(--rounded-full);
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.075);
  font-family: var(--font-family-label);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
}
.learning-comparison-item {
  display: grid;
  gap: 0.7rem;
  padding-top: clamp(1rem, 2vw, 1.25rem);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.learning-comparison-panel__label + .learning-comparison-item {
  border-top: 0;
  padding-top: 0;
}
.learning-comparison-item h3 {
  font-family: var(--font-family-h3);
  font-size: clamp(18px, 2vw, 21px);
  line-height: 1.3;
  font-weight: 600;
  color: var(--color-on-surface);
  margin: 0;
}
.learning-comparison-item .learning-body {
  margin: 0;
}
.learning-section--article-systems {
  margin-top: clamp(12px, 3vw, 28px);
}
.learning-section--article-systems .learning-heading {
  margin-bottom: clamp(1.35rem, 3vw, 2.1rem);
}
.learning-article-panel--table {
  padding: clamp(1.1rem, 2.6vw, 1.7rem);
}
.learning-article-panel--table > .learning-body {
  max-width: 680px;
  margin: 0 0 clamp(1.15rem, 2.5vw, 1.55rem);
}
.learning-table--article-systems {
  min-width: 680px;
}
.learning-table--article-systems th {
  background: rgba(76, 215, 246, 0.07);
  border-bottom-color: rgba(76, 215, 246, 0.18);
  color: var(--color-on-surface);
}
.learning-table--article-systems td {
  padding-top: clamp(1.05rem, 2.4vw, 1.55rem);
  padding-bottom: clamp(1.05rem, 2.4vw, 1.55rem);
  vertical-align: top;
  color: var(--color-on-surface-variant);
}
.learning-table--article-systems td:first-child {
  width: 32%;
  color: var(--color-on-surface);
}
.learning-table--article-systems tbody tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.022);
}
.learning-table--article-systems tbody tr:hover {
  background: rgba(76, 215, 246, 0.035);
}
.learning-advisory-panel {
  display: grid;
  grid-template-columns: minmax(220px, 0.36fr) 1fr;
  gap: clamp(1.25rem, 4vw, 2.5rem);
  padding: clamp(1.35rem, 3vw, 2.25rem);
  border-radius: var(--rounded-xl);
  background: rgba(23, 29, 30, 0.44);
  border: 1px solid rgba(109, 121, 125, 0.12);
  border-left: 3px solid var(--color-primary);
}
.learning-advisory-panel__intro {
  align-self: start;
}
.learning-advisory-panel__intro .learning-body {
  color: var(--color-on-surface);
  font-size: clamp(16px, 1.5vw, 19px);
}
.learning-advisory-panel__body h3 {
  font-family: var(--font-family-h3);
  font-size: clamp(19px, 2vw, 23px);
  font-weight: 600;
  color: var(--color-on-surface);
  margin: 0 0 1rem;
}
.learning-question-list {
  list-style: none;
  padding: 0;
  margin: 0 0 clamp(1.25rem, 3vw, 1.75rem);
  counter-reset: question;
  display: grid;
  gap: 0.75rem;
}
.learning-question-list li {
  counter-increment: question;
  position: relative;
  padding-left: 2.25rem;
  margin: 0;
}
.learning-question-list li::before {
  content: counter(question, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.15rem;
  font-family: var(--font-family-label);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-primary);
}
.learning-example {
  position: relative;
  padding: clamp(1.35rem, 3vw, 2.25rem);
  border-radius: var(--rounded-xl);
  background: rgba(23, 29, 30, 0.42);
  border: 1px solid rgba(109, 121, 125, 0.12);
}
.learning-example h3 {
  font-family: var(--font-family-h3);
  font-size: clamp(20px, 2.2vw, 24px);
  font-weight: 600;
  color: var(--color-on-surface);
  margin: 0 0 clamp(1.25rem, 3vw, 1.75rem);
}
.learning-example__step {
  position: relative;
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: clamp(1rem, 3vw, 1.35rem);
  padding-top: clamp(1rem, 2.5vw, 1.5rem);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.learning-example__step::before {
  content: "";
  position: absolute;
  left: 16px;
  top: -0.2rem;
  bottom: calc(100% - 1.3rem);
  width: 1px;
  background: rgba(76, 215, 246, 0.18);
}
.learning-example__step:first-of-type {
  padding-top: 0;
  border-top: 0;
}
.learning-example__step:first-of-type::before {
  display: none;
}
.learning-example__step + .learning-example__step {
  margin-top: clamp(1rem, 3vw, 1.5rem);
}
.learning-example__step:last-child {
  padding-bottom: clamp(0.35rem, 1vw, 0.6rem);
}
.learning-example__step:last-child .learning-example__marker {
  background: rgba(45, 212, 191, 0.1);
  border-color: rgba(45, 212, 191, 0.22);
  color: var(--color-ready-teal);
}
.learning-example__marker {
  width: var(--qr-bubble-md);
  height: var(--qr-bubble-md);
  display: grid;
  place-items: center;
  border-radius: var(--rounded-full);
  background: rgba(76, 215, 246, 0.1);
  border: 1px solid rgba(76, 215, 246, 0.18);
  color: var(--color-primary);
  font-family: var(--font-family-label);
  font-size: 12px;
  font-weight: 700;
}
.learning-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1rem;
}
.learning-chip-list span {
  display: inline-flex;
  align-items: center;
  min-height: var(--qr-chip-height-sm);
  padding: 0.35rem 0.65rem;
  border-radius: var(--rounded-full);
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.07);
  color: var(--color-on-surface-variant);
  font-size: 14px;
  line-height: 1.3;
}
.learning-quote-block {
  padding: clamp(1rem, 2.5vw, 1.4rem);
  border-radius: var(--rounded-lg);
  border: 1px dashed rgba(76, 215, 246, 0.22);
  background: rgba(76, 215, 246, 0.035);
  margin-bottom: 1rem;
}

/* Sprint 9I Batch 1 — Start Here visual learning boards */
.learning-hero-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  max-width: 780px;
  margin-top: clamp(1rem, 2.4vw, 1.4rem);
}
.learning-hero-chip-list span {
  display: inline-flex;
  max-width: 100%;
  padding: 0.45rem 0.75rem;
  border-radius: var(--rounded-full);
  background: rgba(76, 215, 246, 0.07);
  border: 1px solid rgba(76, 215, 246, 0.16);
  color: var(--color-on-surface);
  font-size: 14px;
  line-height: 1.35;
}
.learning-start-visual {
  padding: clamp(1.35rem, 3.4vw, 2.4rem);
  border-radius: var(--rounded-xl);
  border: 1px solid rgba(76, 215, 246, 0.14);
  background:
    radial-gradient(circle at 100% 0%, rgba(45, 212, 191, 0.06), transparent 34%),
    rgba(255, 255, 255, 0.026);
}
.learning-start-visual__header {
  max-width: 760px;
  margin-bottom: clamp(1.25rem, 3vw, 1.8rem);
}
.learning-start-visual__header h2 {
  margin: 0.9rem 0 0.65rem;
  color: var(--color-on-surface);
  font-family: var(--font-family-h2);
  font-size: clamp(26px, 3.8vw, 38px);
  line-height: 1.18;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.learning-start-visual__header .learning-body {
  margin: 0;
  color: var(--color-on-surface);
}
.learning-start-visual__takeaway {
  margin: clamp(1.15rem, 3vw, 1.6rem) 0 0;
  padding: clamp(0.9rem, 2vw, 1.15rem);
  border-radius: var(--rounded-lg);
  border: 1px solid rgba(76, 215, 246, 0.18);
  background: rgba(76, 215, 246, 0.055);
  color: var(--color-on-surface);
  font-family: var(--font-family-body);
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.55;
}
.learning-start-lanes,
.learning-start-risk-map,
.learning-start-impact-grid {
  display: grid;
  gap: clamp(0.9rem, 2.2vw, 1.2rem);
}
.learning-start-lanes {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.learning-start-risk-map,
.learning-start-impact-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.learning-start-lane,
.learning-start-risk-card,
.learning-start-impact-card,
.learning-mosca-journey__step {
  min-width: 0;
  padding: clamp(1rem, 2.4vw, 1.35rem);
  border-radius: var(--rounded-lg);
  background: rgba(23, 29, 30, 0.64);
  border: 1px solid rgba(109, 121, 125, 0.12);
}
.learning-start-lane:nth-child(1),
.learning-start-risk-card--high,
.learning-start-impact-card--attention {
  border-color: rgba(251, 191, 36, 0.22);
  background: linear-gradient(180deg, rgba(251, 191, 36, 0.045) 0%, rgba(23, 29, 30, 0.62) 62%);
}
.learning-start-lane:nth-child(2),
.learning-start-risk-card--different,
.learning-start-impact-card--vendor {
  border-color: rgba(76, 215, 246, 0.18);
}
.learning-start-lane:nth-child(3),
.learning-start-risk-card--context,
.learning-start-risk-card--system,
.learning-start-impact-card--usable,
.learning-start-impact-card--indirect {
  border-color: rgba(45, 212, 191, 0.16);
}
.learning-start-lane__label,
.learning-start-risk-card__label {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 0.75rem;
  padding: 0.3rem 0.6rem;
  border-radius: var(--rounded-full);
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.075);
  color: var(--color-on-surface-variant);
  font-family: var(--font-family-label);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.09em;
  line-height: 1.25;
  text-transform: uppercase;
}
.learning-start-lane h3,
.learning-start-risk-card h3,
.learning-start-impact-card h3,
.learning-mosca-journey__step h3,
.learning-start-bridge__card h3 {
  margin: 0 0 0.85rem;
  color: var(--color-on-surface);
  font-family: var(--font-family-h3);
  font-size: clamp(17px, 1.7vw, 20px);
  line-height: 1.35;
  font-weight: 600;
}
.learning-start-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 1rem;
}
.learning-start-chip-list span {
  display: inline-flex;
  max-width: 100%;
  padding: 0.34rem 0.58rem;
  border-radius: var(--rounded-full);
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.07);
  color: var(--color-on-surface-variant);
  font-size: 13px;
  line-height: 1.35;
}
.learning-start-lane__detail {
  display: grid;
  gap: 0.3rem;
  padding-top: 0.85rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.learning-start-lane__detail + .learning-start-lane__detail {
  margin-top: 0.85rem;
}
.learning-start-lane__detail span {
  color: var(--color-primary);
  font-family: var(--font-family-label);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}
.learning-start-lane__detail p,
.learning-start-risk-card .learning-body,
.learning-start-impact-card .learning-body {
  margin: 0;
}
.learning-start-risk-card .learning-body + .learning-body {
  margin-top: 0.55rem;
}
.learning-start-risk-card .learning-body,
.learning-start-impact-card .learning-body,
.learning-mosca-journey__step .learning-body,
.learning-start-lane__detail p,
.learning-start-bridge__card .learning-body,
.learning-start-why__card .learning-body,
.learning-start-short-answer__card .learning-body,
.learning-start-panel-card .learning-body,
.learning-start-example__card .learning-body,
.learning-start-core__section .learning-body {
  font-size: 15px;
  line-height: 1.6;
}
.learning-mosca-formula {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: clamp(0.6rem, 1.6vw, 0.9rem);
  margin-bottom: clamp(1rem, 3vw, 1.45rem);
}
.learning-mosca-formula__term {
  flex: 1 1 165px;
  min-width: 0;
  padding: clamp(1rem, 2.3vw, 1.35rem);
  border-radius: var(--rounded-lg);
  background: rgba(23, 29, 30, 0.68);
  border: 1px solid rgba(76, 215, 246, 0.15);
}
.learning-mosca-formula__term--horizon {
  border-color: rgba(251, 191, 36, 0.24);
  background: rgba(251, 191, 36, 0.05);
}
.learning-mosca-formula__term strong {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--color-primary);
  font-family: var(--font-family-h1);
  font-size: clamp(30px, 5vw, 46px);
  line-height: 1;
}
.learning-mosca-formula__term span {
  color: var(--color-on-surface);
  font-size: 14px;
  line-height: 1.45;
}
.learning-mosca-formula__operator {
  display: grid;
  place-items: center;
  min-width: 24px;
  color: var(--color-on-surface);
  font-size: clamp(24px, 4vw, 36px);
  line-height: 1;
}
.learning-mosca-timeline {
  display: grid;
  gap: 0.85rem;
  padding: clamp(1rem, 2.5vw, 1.35rem);
  border-radius: var(--rounded-lg);
  background: rgba(0, 0, 0, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.07);
}
.learning-mosca-timeline__row {
  display: grid;
  grid-template-columns: minmax(130px, 0.34fr) 1fr 36px;
  gap: 0.85rem;
  align-items: center;
}
.learning-mosca-timeline__row span,
.learning-mosca-timeline__row strong {
  color: var(--color-on-surface);
  font-family: var(--font-family-label);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.learning-mosca-timeline__track {
  height: 12px;
  overflow: hidden;
  border-radius: var(--rounded-full);
  background: rgba(255, 255, 255, 0.06);
}
.learning-mosca-timeline__bar {
  height: 100%;
  border-radius: inherit;
}
.learning-mosca-timeline__bar--data {
  background: linear-gradient(90deg, rgba(76, 215, 246, 0.45), rgba(45, 212, 191, 0.65));
}
.learning-mosca-timeline__bar--migration {
  background: linear-gradient(90deg, rgba(45, 212, 191, 0.34), rgba(76, 215, 246, 0.48));
}
.learning-mosca-timeline__bar--horizon {
  background: linear-gradient(90deg, rgba(251, 191, 36, 0.38), rgba(251, 191, 36, 0.72));
}
.learning-mosca-timeline__horizon {
  padding-top: 0.65rem;
  color: var(--color-on-surface-variant);
  font-size: 14px;
  line-height: 1.5;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.learning-mosca-journey {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(0.9rem, 2.2vw, 1.15rem);
  margin-top: clamp(1rem, 3vw, 1.45rem);
}
.learning-mosca-journey__step span {
  width: var(--qr-bubble-md);
  height: var(--qr-bubble-md);
  display: grid;
  place-items: center;
  margin-bottom: 0.75rem;
  border-radius: var(--rounded-full);
  background: rgba(76, 215, 246, 0.1);
  border: 1px solid rgba(76, 215, 246, 0.18);
  color: var(--color-primary);
  font-family: var(--font-family-label);
  font-size: 12px;
  font-weight: 700;
}
.learning-mosca-journey__step .learning-body { margin: 0; }
.learning-start-short-answer .learning-body {
  color: var(--color-on-surface);
}
.learning-start-short-answer {
  display: grid;
  gap: clamp(0.9rem, 2.4vw, 1.25rem);
}
.learning-start-short-answer__summary {
  padding: clamp(1.1rem, 2.8vw, 1.55rem);
  border-radius: var(--rounded-xl);
  border: 1px solid rgba(76, 215, 246, 0.18);
  border-left: 3px solid var(--color-primary);
  background:
    radial-gradient(circle at 0% 0%, rgba(76, 215, 246, 0.08), transparent 36%),
    rgba(23, 29, 30, 0.56);
}
.learning-start-short-answer__summary span,
.learning-start-example__card > span {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 0.7rem;
  padding: 0.3rem 0.6rem;
  border-radius: var(--rounded-full);
  background: rgba(76, 215, 246, 0.08);
  border: 1px solid rgba(76, 215, 246, 0.16);
  color: var(--color-primary);
  font-family: var(--font-family-label);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.09em;
  line-height: 1.25;
  text-transform: uppercase;
}
.learning-start-short-answer__summary p {
  max-width: 760px;
  margin: 0;
  color: var(--color-on-surface);
  font-family: var(--font-family-body);
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.55;
}
.learning-start-short-answer__cards,
.learning-start-panel-cards,
.learning-start-example {
  display: grid;
  gap: clamp(0.85rem, 2vw, 1.1rem);
}
.learning-start-short-answer__cards {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.learning-start-short-answer__card,
.learning-start-panel-card,
.learning-start-example__card {
  min-width: 0;
  padding: clamp(1rem, 2.4vw, 1.35rem);
  border-radius: var(--rounded-lg);
  background: rgba(23, 29, 30, 0.58);
  border: 1px solid rgba(109, 121, 125, 0.12);
}
.learning-start-short-answer__card {
  border-top: 2px solid rgba(76, 215, 246, 0.24);
}
.learning-start-short-answer__card:nth-child(2) {
  border-top-color: rgba(45, 212, 191, 0.22);
}
.learning-start-short-answer__card:nth-child(3) {
  border-top-color: rgba(251, 191, 36, 0.22);
}
.learning-start-short-answer__card h3,
.learning-start-example__card h3 {
  margin: 0 0 0.75rem;
  color: var(--color-on-surface);
  font-family: var(--font-family-h3);
  font-size: clamp(17px, 1.7vw, 20px);
  line-height: 1.35;
  font-weight: 600;
}
.learning-start-short-answer__card .learning-body,
.learning-start-panel-card .learning-body,
.learning-start-example__card .learning-body {
  margin: 0;
}
.learning-start-short-answer__card .learning-body + .learning-body,
.learning-start-panel-card .learning-body + .learning-body,
.learning-start-example__card .learning-body + .learning-body {
  margin-top: 0.55rem;
}
.learning-start-core {
  display: grid;
  gap: clamp(0.85rem, 2vw, 1.1rem);
}
.learning-start-core__section {
  position: relative;
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: clamp(0.9rem, 2.4vw, 1.25rem);
  padding: clamp(1.05rem, 2.6vw, 1.5rem);
  border-radius: var(--rounded-lg);
  background: rgba(23, 29, 30, 0.62);
  border: 1px solid rgba(109, 121, 125, 0.12);
  border-left: 2px solid rgba(76, 215, 246, 0.2);
}
.learning-start-core__number {
  width: var(--qr-bubble-md);
  height: var(--qr-bubble-md);
  display: grid;
  place-items: center;
  border-radius: var(--rounded-full);
  background: rgba(76, 215, 246, 0.1);
  border: 1px solid rgba(76, 215, 246, 0.18);
  color: var(--color-primary);
  font-family: var(--font-family-label);
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
}
.learning-start-core__section h3 {
  margin: 0;
  color: var(--color-on-surface);
  font-family: var(--font-family-h3);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.3;
  font-weight: 600;
}
.learning-start-core__body {
  display: grid;
  gap: 0.65rem;
  margin-top: 0.65rem;
}
.learning-start-core__section .learning-body,
.learning-start-core__section .learning-stack {
  margin: 0;
}
.learning-start-core__section .learning-body {
  margin: 0;
}
.learning-start-mini-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.learning-start-mini-list li {
  display: inline-flex;
  max-width: 100%;
  padding: 0.34rem 0.58rem;
  border-radius: var(--rounded-full);
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.07);
  color: var(--color-on-surface-variant);
  font-family: var(--font-family-body);
  font-size: 13px;
  line-height: 1.35;
}
.learning-start-panel-card {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 0.85rem;
}
.learning-start-panel-card span {
  color: var(--color-primary);
  font-family: var(--font-family-label);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.4;
}
.learning-start-analogy {
  padding: clamp(1.15rem, 2.8vw, 1.55rem);
  border-radius: var(--rounded-xl);
  background:
    radial-gradient(circle at 12% 0%, rgba(76, 215, 246, 0.055), transparent 34%),
    rgba(255, 255, 255, 0.026);
  border: 1px solid rgba(76, 215, 246, 0.14);
  border-left: 2px solid rgba(76, 215, 246, 0.32);
}
.learning-start-analogy__label {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 0.8rem;
  padding: 0.28rem 0.6rem;
  border-radius: var(--rounded-full);
  background: rgba(76, 215, 246, 0.08);
  border: 1px solid rgba(76, 215, 246, 0.16);
  color: var(--color-primary);
  font-family: var(--font-family-label);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.2;
  text-transform: uppercase;
}
.learning-start-analogy .learning-body,
.learning-start-analogy__caution {
  max-width: 760px;
  margin: 0;
  color: var(--color-on-surface);
  font-family: var(--font-family-body);
  font-size: 15px;
  line-height: 1.65;
}
.learning-start-analogy__caution {
  margin-top: 0.8rem;
  padding-top: 0.8rem;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  color: var(--color-on-surface-variant);
}
.learning-start-bridge,
.learning-start-why {
  padding: clamp(1.1rem, 2.8vw, 1.55rem);
  border-radius: var(--rounded-xl);
  border: 1px solid rgba(76, 215, 246, 0.13);
  background:
    radial-gradient(circle at 100% 0%, rgba(45, 212, 191, 0.045), transparent 34%),
    rgba(23, 29, 30, 0.46);
}
.learning-start-bridge__cards,
.learning-start-why__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(0.85rem, 2vw, 1.1rem);
}
.learning-start-bridge__card,
.learning-start-why__card {
  min-width: 0;
  padding: clamp(1rem, 2.3vw, 1.25rem);
  border-radius: var(--rounded-lg);
  background: rgba(23, 29, 30, 0.62);
  border: 1px solid rgba(109, 121, 125, 0.12);
}
.learning-start-bridge__card:nth-child(1),
.learning-start-why__card:nth-child(1) {
  border-color: rgba(76, 215, 246, 0.17);
}
.learning-start-bridge__card:nth-child(2),
.learning-start-why__card:nth-child(2) {
  border-color: rgba(45, 212, 191, 0.15);
}
.learning-start-bridge__card:nth-child(3),
.learning-start-why__card:nth-child(3) {
  border-color: rgba(251, 191, 36, 0.16);
}
.learning-start-bridge__card .learning-body,
.learning-start-why__card .learning-body {
  margin: 0;
}
.learning-start-bridge__card .learning-body + .learning-body,
.learning-start-why__card .learning-body + .learning-body {
  margin-top: 0.55rem;
}
.learning-start-bridge__takeaway,
.learning-start-why__lead {
  margin: clamp(0.95rem, 2.2vw, 1.2rem) 0 0;
  padding: 0.8rem 1rem;
  border-radius: var(--rounded-lg);
  border: 1px solid rgba(76, 215, 246, 0.16);
  background: rgba(76, 215, 246, 0.05);
  color: var(--color-on-surface);
  font-family: var(--font-family-body);
  font-size: 15px;
  line-height: 1.6;
}
.learning-start-why__lead {
  margin: 0 0 clamp(0.95rem, 2.2vw, 1.2rem);
}
.learning-start-why__card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.55rem;
}
.learning-start-why__card span {
  width: fit-content;
  padding: 0.25rem 0.55rem;
  border-radius: var(--rounded-full);
  background: rgba(76, 215, 246, 0.08);
  border: 1px solid rgba(76, 215, 246, 0.15);
  color: var(--color-primary);
  font-family: var(--font-family-label);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.4;
}
.learning-start-example {
  grid-template-columns: minmax(0, 1fr);
}
.learning-start-example__card--situation {
  border-left: 3px solid rgba(76, 215, 246, 0.6);
  background: linear-gradient(90deg, rgba(76, 215, 246, 0.045) 0%, rgba(23, 29, 30, 0.42) 72%);
}
.learning-start-example__card--outcome {
  border-left: 3px solid rgba(45, 212, 191, 0.6);
  background: linear-gradient(90deg, rgba(45, 212, 191, 0.04) 0%, rgba(23, 29, 30, 0.42) 72%);
}
.learning-start-example__card .learning-chip-list {
  margin-top: 0.9rem;
}

/* Sprint 9I — Quantum Basics visual learning boards */
.learning-quantum-visual {
  padding: clamp(1.35rem, 3.4vw, 2.25rem);
  border-radius: var(--rounded-xl);
  border: 1px solid rgba(var(--learn-section-quantum-rgb), 0.18);
  background:
    radial-gradient(circle at 100% 0%, rgba(var(--learn-section-quantum-rgb), 0.08), transparent 34%),
    rgba(255, 255, 255, 0.024);
}
.learning-quantum-visual--model {
  border-color: rgba(76, 215, 246, 0.22);
  background:
    radial-gradient(circle at 100% 0%, rgba(76, 215, 246, 0.09), transparent 34%),
    radial-gradient(circle at 0% 100%, rgba(251, 191, 36, 0.045), transparent 38%),
    rgba(255, 255, 255, 0.026);
}
.learning-quantum-visual__header {
  max-width: 760px;
  margin-bottom: clamp(1.2rem, 3vw, 1.75rem);
}
.learning-quantum-visual__header h2 {
  margin: 0.85rem 0 0.65rem;
  color: var(--color-on-surface);
  font-family: var(--font-family-h2);
  font-size: clamp(25px, 3.6vw, 36px);
  line-height: 1.18;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.learning-quantum-visual__header .learning-body {
  margin: 0;
  color: var(--color-on-surface);
}
.learning-quantum-visual__badge {
  background: rgba(96, 165, 250, 0.09);
  border-color: rgba(96, 165, 250, 0.18);
  color: var(--learn-section-quantum);
}
.learning-quantum-comparison {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(0.9rem, 2.2vw, 1.2rem);
}
.learning-quantum-comparison__panel,
.learning-quantum-term-card,
.learning-quantum-short-answer,
.learning-quantum-core__section,
.learning-quantum-why,
.learning-quantum-example,
.learning-quantum-metaphor {
  min-width: 0;
  padding: clamp(1rem, 2.4vw, 1.4rem);
  border-radius: var(--rounded-lg);
  background: rgba(23, 29, 30, 0.62);
  border: 1px solid rgba(109, 121, 125, 0.12);
}
.learning-quantum-comparison__panel--classical,
.learning-quantum-comparison__panel--better {
  border-color: rgba(76, 215, 246, 0.18);
}
.learning-quantum-comparison__panel--quantum,
.learning-quantum-comparison__panel--careful {
  border-color: rgba(45, 212, 191, 0.17);
}
.learning-quantum-comparison__panel--bad {
  border-color: rgba(251, 191, 36, 0.24);
  background: linear-gradient(180deg, rgba(251, 191, 36, 0.05) 0%, rgba(23, 29, 30, 0.62) 62%);
}
.learning-quantum-comparison__label {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 0.75rem;
  padding: 0.3rem 0.6rem;
  border-radius: var(--rounded-full);
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.075);
  color: var(--color-on-surface-variant);
  font-family: var(--font-family-label);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.09em;
  line-height: 1.25;
  text-transform: uppercase;
}
.learning-quantum-comparison__panel h3,
.learning-quantum-term-card h3,
.learning-quantum-core__section h3,
.learning-quantum-example h3 {
  margin: 0 0 0.85rem;
  color: var(--color-on-surface);
  font-family: var(--font-family-h3);
  font-size: clamp(17px, 1.8vw, 21px);
  line-height: 1.35;
  font-weight: 600;
}
.learning-quantum-comparison__panel .learning-start-mini-list {
  display: grid;
  gap: 0.5rem;
}
.learning-quantum-comparison__panel .learning-start-mini-list li {
  display: block;
  border-radius: var(--rounded-lg);
}
.learning-quantum-visual__takeaway,
.learning-quantum-short-answer__summary,
.learning-quantum-why__takeaway,
.learning-quantum-core__callout {
  margin: clamp(1rem, 2.5vw, 1.35rem) 0 0;
  padding: 0.85rem 1rem;
  border-radius: var(--rounded-lg);
  border: 1px solid rgba(76, 215, 246, 0.17);
  background: rgba(76, 215, 246, 0.055);
  color: var(--color-on-surface);
  font-family: var(--font-family-body);
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.58;
}
.learning-quantum-short-answer {
  border-left: 3px solid rgba(var(--learn-section-quantum-rgb), 0.72);
  background:
    radial-gradient(circle at 0% 0%, rgba(var(--learn-section-quantum-rgb), 0.07), transparent 34%),
    rgba(23, 29, 30, 0.56);
}
.learning-quantum-short-answer__summary {
  margin-top: 0;
  font-size: clamp(17px, 1.5vw, 20px);
}
.learning-quantum-short-answer__cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
  gap: clamp(0.75rem, 2vw, 1rem);
  margin-top: clamp(0.95rem, 2.2vw, 1.2rem);
}
.learning-quantum-short-answer__card {
  min-width: 0;
  padding: clamp(0.9rem, 2vw, 1.1rem);
  border-radius: var(--rounded-lg);
  background: rgba(23, 29, 30, 0.58);
  border: 1px solid rgba(109, 121, 125, 0.12);
  border-top: 2px solid rgba(76, 215, 246, 0.22);
}
.learning-quantum-short-answer__card:nth-child(2) {
  border-top-color: rgba(45, 212, 191, 0.2);
}
.learning-quantum-short-answer__card:nth-child(3) {
  border-top-color: rgba(251, 191, 36, 0.18);
}
.learning-quantum-short-answer__card h3 {
  margin: 0 0 0.45rem;
  color: var(--color-on-surface);
  font-family: var(--font-family-h3);
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.35;
  font-weight: 600;
}
.learning-quantum-short-answer__card p {
  margin: 0;
  color: var(--color-on-surface-variant);
  font-family: var(--font-family-body);
  font-size: 14px;
  line-height: 1.55;
}
.learning-quantum-short-answer__body .learning-body,
.learning-quantum-core__section .learning-body,
.learning-quantum-why .learning-body,
.learning-quantum-example .learning-body,
.learning-quantum-metaphor .learning-body,
.learning-quantum-term-card .learning-body {
  margin: 0;
}
.learning-quantum-short-answer__body .learning-body + .learning-body,
.learning-quantum-core__section .learning-body + .learning-body,
.learning-quantum-why .learning-body + .learning-body,
.learning-quantum-example .learning-body + .learning-body,
.learning-quantum-metaphor .learning-body + .learning-body {
  margin-top: 0.6rem;
}
.learning-quantum-core {
  display: grid;
  gap: clamp(0.85rem, 2vw, 1.1rem);
}
.learning-quantum-core__section {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: clamp(0.9rem, 2.4vw, 1.25rem);
  border-left: 2px solid rgba(var(--learn-section-quantum-rgb), 0.28);
}
.learning-quantum-core__number {
  width: var(--qr-bubble-md);
  height: var(--qr-bubble-md);
  display: grid;
  place-items: center;
  border-radius: var(--rounded-full);
  background: rgba(var(--learn-section-quantum-rgb), 0.1);
  border: 1px solid rgba(var(--learn-section-quantum-rgb), 0.2);
  color: var(--learn-section-quantum);
  font-family: var(--font-family-label);
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
}
.learning-quantum-core__section .learning-start-mini-list,
.learning-quantum-example .learning-start-mini-list {
  margin-top: 0.8rem;
}
.learning-quantum-terms {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(0.9rem, 2.2vw, 1.2rem);
}
.learning-quantum-term-card {
  border-top: 2px solid rgba(var(--learn-section-quantum-rgb), 0.34);
}
.learning-quantum-term-card:nth-child(2) {
  border-top-color: rgba(45, 212, 191, 0.28);
}
.learning-quantum-term-card:nth-child(3) {
  border-top-color: rgba(251, 191, 36, 0.28);
}
.learning-quantum-term-card strong {
  color: var(--color-on-surface);
}
.learning-quantum-warning,
.learning-quantum-metaphor__caution {
  margin: 0.8rem 0 0;
  padding-top: 0.8rem;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  color: var(--color-on-surface-variant);
  font-family: var(--font-family-body);
  font-size: 14px;
  line-height: 1.55;
}
.learning-quantum-why {
  border-left: 3px solid rgba(76, 215, 246, 0.38);
  background:
    radial-gradient(circle at 100% 0%, rgba(45, 212, 191, 0.045), transparent 34%),
    rgba(23, 29, 30, 0.46);
}
.learning-quantum-question-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(0.75rem, 2vw, 1rem);
  margin-top: clamp(1rem, 2.5vw, 1.25rem);
}
.learning-quantum-question-pair div {
  padding: clamp(0.9rem, 2vw, 1.1rem);
  border-radius: var(--rounded-lg);
  background: rgba(23, 29, 30, 0.62);
  border: 1px solid rgba(109, 121, 125, 0.12);
}
.learning-quantum-question-pair div:first-child {
  border-color: rgba(251, 191, 36, 0.2);
}
.learning-quantum-question-pair div:last-child {
  border-color: rgba(76, 215, 246, 0.18);
}
.learning-quantum-question-pair span,
.learning-quantum-metaphor__label {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 0.6rem;
  padding: 0.28rem 0.6rem;
  border-radius: var(--rounded-full);
  background: rgba(76, 215, 246, 0.08);
  border: 1px solid rgba(76, 215, 246, 0.16);
  color: var(--color-primary);
  font-family: var(--font-family-label);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.25;
  text-transform: uppercase;
}
.learning-quantum-question-pair p {
  margin: 0;
  color: var(--color-on-surface);
  font-family: var(--font-family-body);
  font-size: 15px;
  line-height: 1.55;
}
.learning-quantum-example {
  border-left: 3px solid rgba(45, 212, 191, 0.52);
  background: linear-gradient(90deg, rgba(45, 212, 191, 0.04) 0%, rgba(23, 29, 30, 0.42) 72%);
}
.learning-quantum-metaphor {
  border-left: 2px solid rgba(76, 215, 246, 0.32);
  background:
    radial-gradient(circle at 12% 0%, rgba(76, 215, 246, 0.055), transparent 34%),
    rgba(255, 255, 255, 0.026);
}
.learning-quantum-machine,
.learning-qubit-visual,
.learning-mental-model {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  gap: clamp(0.85rem, 2.2vw, 1.15rem);
  align-items: stretch;
}
.learning-mental-model {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.learning-quantum-machine__side,
.learning-qubit-visual__panel,
.learning-mental-model__panel {
  min-width: 0;
  padding: clamp(1rem, 2.4vw, 1.35rem);
  border-radius: var(--rounded-lg);
  background: rgba(23, 29, 30, 0.64);
  border: 1px solid rgba(109, 121, 125, 0.12);
}
.learning-qubit-visual__panel {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.learning-quantum-machine__side--classical,
.learning-qubit-visual__panel {
  border-color: rgba(76, 215, 246, 0.17);
}
.learning-quantum-machine__side--quantum,
.learning-qubit-visual__panel--quantum,
.learning-mental-model__panel--better {
  border-color: rgba(45, 212, 191, 0.18);
}
.learning-mental-model__panel--bad {
  border-color: rgba(251, 191, 36, 0.24);
  background:
    linear-gradient(180deg, rgba(251, 191, 36, 0.052) 0%, rgba(23, 29, 30, 0.62) 62%);
}
.learning-quantum-machine__scene,
.learning-bad-model-illustration,
.learning-better-model-illustration,
.learning-quantum-term-card__figure {
  position: relative;
  min-height: 150px;
  margin: 0.95rem 0 1rem;
  overflow: hidden;
  border-radius: var(--rounded-lg);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.015));
  border: 1px solid rgba(255, 255, 255, 0.07);
}
.learning-quantum-machine__side h3,
.learning-qubit-visual__panel h3 {
  margin: 0 0 0.8rem;
  color: var(--color-on-surface);
  font-family: var(--font-family-h3);
  font-size: clamp(17px, 1.8vw, 21px);
  line-height: 1.35;
  font-weight: 600;
}
.learning-quantum-machine__bridge,
.learning-measurement-arrow {
  align-self: center;
  display: grid;
  place-items: center;
  min-width: 84px;
  color: var(--color-primary);
  font-family: var(--font-family-label);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.35;
  text-align: center;
  text-transform: uppercase;
}
.learning-quantum-machine__bridge::before,
.learning-measurement-arrow::before {
  content: "";
  display: block;
  width: 56px;
  height: 1px;
  margin-bottom: 0.55rem;
  background: linear-gradient(90deg, rgba(76, 215, 246, 0.1), rgba(76, 215, 246, 0.62));
}
.learning-quantum-machine__bridge::after,
.learning-measurement-arrow::after {
  content: "";
  display: block;
  width: 8px;
  height: 8px;
  margin-top: -0.25rem;
  border-top: 1px solid rgba(76, 215, 246, 0.72);
  border-right: 1px solid rgba(76, 215, 246, 0.72);
  transform: rotate(45deg);
}
.learning-quantum-visual-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}
.learning-quantum-visual-tags span,
.learning-mental-model__labels span {
  display: inline-flex;
  max-width: 100%;
  padding: 0.34rem 0.58rem;
  border-radius: var(--rounded-full);
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.07);
  color: var(--color-on-surface-variant);
  font-size: 13px;
  line-height: 1.35;
}
.learning-server-stack {
  position: absolute;
  left: 12%;
  top: 24%;
  width: 40%;
  display: grid;
  gap: 0.55rem;
}
.learning-server-stack span {
  height: 24px;
  border-radius: 8px;
  background: rgba(76, 215, 246, 0.08);
  border: 1px solid rgba(76, 215, 246, 0.22);
  box-shadow: inset 18px 0 0 rgba(76, 215, 246, 0.18);
}
.learning-circuit-chip {
  position: absolute;
  right: 13%;
  top: 30%;
  width: 76px;
  height: 76px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  background: rgba(23, 29, 30, 0.9);
  border: 1px solid rgba(76, 215, 246, 0.28);
  color: var(--color-primary);
  font-family: var(--font-family-label);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.learning-circuit-chip::before,
.learning-circuit-chip::after {
  content: "";
  position: absolute;
  left: -28px;
  right: -28px;
  height: 1px;
  background: rgba(76, 215, 246, 0.18);
}
.learning-circuit-chip::after {
  transform: rotate(90deg);
}
.learning-control-frame {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 128px;
  height: 104px;
  transform: translate(-50%, -50%);
  border-radius: 36px;
  border: 1px solid rgba(45, 212, 191, 0.32);
  background: rgba(45, 212, 191, 0.045);
}
.learning-qubit-dot {
  position: absolute;
  width: 18px;
  height: 18px;
  border-radius: var(--rounded-full);
  background: var(--color-ready-teal);
  box-shadow: 0 0 0 7px rgba(45, 212, 191, 0.08);
}
.learning-qubit-dot:nth-child(1) { left: 28px; top: 28px; }
.learning-qubit-dot:nth-child(2) { right: 30px; top: 32px; }
.learning-qubit-dot:nth-child(3) { left: 56px; bottom: 22px; }
.learning-control-lines {
  position: absolute;
  inset: 16px 18px;
  display: grid;
  align-content: space-between;
}
.learning-control-lines span {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(76, 215, 246, 0.22), transparent);
}
.learning-hardware-strip,
.learning-qubit-metaphor-strip {
  display: grid;
  gap: 0.7rem;
  margin-top: clamp(1rem, 2.5vw, 1.35rem);
  padding: clamp(0.9rem, 2vw, 1.1rem);
  border-radius: var(--rounded-lg);
  background: rgba(0, 0, 0, 0.18);
  border: 1px dashed rgba(76, 215, 246, 0.18);
}
.learning-hardware-strip > span,
.learning-qubit-metaphor-strip > span {
  color: var(--color-primary);
  font-family: var(--font-family-label);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}
.learning-qubit-metaphor-strip p {
  margin: 0;
  color: var(--color-on-surface-variant);
  font-family: var(--font-family-body);
  font-size: 14px;
  line-height: 1.55;
}
.learning-bit-switch {
  display: grid;
  gap: 0.8rem;
  width: min(100%, 260px);
  margin: 1rem auto 1.2rem;
  padding: 1rem;
  border-radius: var(--rounded-lg);
  background: rgba(0, 0, 0, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.07);
}
.learning-bit-switch__row {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 0.7rem;
  align-items: center;
  color: var(--color-on-surface-variant);
  font-family: var(--font-family-label);
  font-weight: 700;
}
.learning-bit-switch__row i {
  position: relative;
  display: block;
  height: 18px;
  border-radius: var(--rounded-full);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.learning-bit-switch__row i::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 12px;
  height: 12px;
  border-radius: var(--rounded-full);
  background: rgba(76, 215, 246, 0.72);
}
.learning-bit-switch__row--on i::after {
  left: auto;
  right: 2px;
  background: rgba(45, 212, 191, 0.78);
}
.learning-qubit-state {
  display: grid;
  gap: 0.75rem;
  justify-items: center;
  margin: 1rem auto 1.2rem;
  padding: 1rem 0;
  width: min(100%, 280px);
}
.learning-outcome-cloud,
.learning-state-cloud {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  width: min(100%, 240px);
  padding: 1rem;
  border-radius: 999px;
  background: rgba(76, 215, 246, 0.055);
  border: 1px solid rgba(76, 215, 246, 0.2);
}
.learning-outcome-cloud span,
.learning-state-cloud span {
  padding: 0.35rem 0.55rem;
  border-radius: var(--rounded-full);
  background: rgba(23, 29, 30, 0.84);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--color-on-surface);
  font-size: 12px;
  line-height: 1.25;
}
.learning-observed-result {
  padding: 0.55rem 0.75rem;
  border-radius: var(--rounded-full);
  background: rgba(45, 212, 191, 0.09);
  border: 1px solid rgba(45, 212, 191, 0.2);
  color: var(--color-ready-teal);
  font-family: var(--font-family-label);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.learning-bad-model-illustration {
  display: grid;
  place-items: center;
}
.learning-speedometer {
  width: 100px;
  height: 50px;
  border-radius: 100px 100px 0 0;
  border: 8px solid rgba(251, 191, 36, 0.16);
  border-bottom: 0;
}
.learning-speedometer::after {
  content: "";
  display: block;
  width: 48px;
  height: 2px;
  margin: 34px 0 0 46px;
  background: rgba(251, 191, 36, 0.68);
  transform: rotate(-24deg);
  transform-origin: left center;
}
.learning-maze-lines {
  position: absolute;
  inset: 20px;
  opacity: 0.55;
}
.learning-maze-lines span {
  position: absolute;
  display: block;
  border: 1px solid rgba(251, 191, 36, 0.2);
  border-radius: 18px;
}
.learning-maze-lines span:nth-child(1) { inset: 8px 28px 46px 8px; }
.learning-maze-lines span:nth-child(2) { inset: 48px 8px 8px 48px; }
.learning-maze-lines span:nth-child(3) { inset: 28px 68px 24px 26px; }
.learning-bad-model-illustration strong {
  position: absolute;
  top: 0.8rem;
  right: 0.9rem;
  width: var(--qr-bubble-md);
  height: var(--qr-bubble-md);
  display: grid;
  place-items: center;
  border-radius: var(--rounded-full);
  background: rgba(251, 191, 36, 0.1);
  border: 1px solid rgba(251, 191, 36, 0.28);
  color: var(--color-legacy-amber);
  font-size: 24px;
  line-height: 1;
}
.learning-better-model-illustration svg,
.learning-interference-figure svg {
  width: 100%;
  height: 100%;
}
.learning-better-model-illustration path,
.learning-interference-figure path {
  fill: none;
  stroke: rgba(76, 215, 246, 0.62);
  stroke-width: 4;
  stroke-linecap: round;
}
.learning-better-model-illustration path:nth-child(2),
.learning-interference-figure path:nth-child(2) {
  stroke: rgba(45, 212, 191, 0.55);
}
.learning-better-model-illustration line {
  stroke: rgba(255, 255, 255, 0.18);
  stroke-width: 2;
}
.learning-shaped-outcomes,
.learning-interference-figure div {
  position: absolute;
  left: 0.9rem;
  right: 0.9rem;
  bottom: 0.85rem;
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  align-items: center;
}
.learning-shaped-outcomes span,
.learning-shaped-outcomes strong,
.learning-interference-figure span,
.learning-interference-figure strong {
  padding: 0.28rem 0.55rem;
  border-radius: var(--rounded-full);
  background: rgba(23, 29, 30, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--color-on-surface-variant);
  font-size: 12px;
  line-height: 1.25;
}
.learning-shaped-outcomes strong,
.learning-interference-figure strong {
  color: var(--color-ready-teal);
  border-color: rgba(45, 212, 191, 0.2);
}
.learning-mental-model__labels {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}
.learning-superposition-figure,
.learning-entanglement-figure,
.learning-interference-figure {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 1rem;
}
.learning-superposition-figure i {
  width: 1px;
  height: 32px;
  background: rgba(76, 215, 246, 0.38);
}
.learning-superposition-figure strong {
  color: var(--color-primary);
  font-family: var(--font-family-label);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.learning-system-boundary {
  position: relative;
  width: min(100%, 230px);
  height: 104px;
  border-radius: 999px;
  border: 1px solid rgba(45, 212, 191, 0.28);
  background: rgba(45, 212, 191, 0.045);
}
.learning-system-boundary span {
  position: absolute;
  top: 40px;
  width: var(--qr-bubble-sm);
  height: var(--qr-bubble-sm);
  border-radius: var(--rounded-full);
  background: rgba(45, 212, 191, 0.78);
  box-shadow: 0 0 0 8px rgba(45, 212, 191, 0.08);
}
.learning-system-boundary span:nth-child(1) { left: 44px; }
.learning-system-boundary span:nth-child(2) { right: 44px; }
.learning-system-boundary i {
  position: absolute;
  left: 76px;
  right: 76px;
  top: 51px;
  height: 2px;
  background: rgba(76, 215, 246, 0.42);
}

@media (max-width: 900px) {
  .learning-quantum-machine,
  .learning-qubit-visual,
  .learning-mental-model {
    grid-template-columns: 1fr;
  }
  .learning-quantum-machine__bridge,
  .learning-measurement-arrow {
    min-width: 0;
    min-height: 42px;
  }
  .learning-quantum-machine__bridge::before,
  .learning-measurement-arrow::before {
    width: 1px;
    height: 28px;
    margin: 0 0 0.35rem;
    background: linear-gradient(180deg, rgba(76, 215, 246, 0.1), rgba(76, 215, 246, 0.62));
  }
  .learning-quantum-machine__bridge::after,
  .learning-measurement-arrow::after {
    transform: rotate(135deg);
  }
}

@media (max-width: 480px) {
  .learning-quantum-machine__scene,
  .learning-bad-model-illustration,
  .learning-better-model-illustration,
  .learning-quantum-term-card__figure {
    min-height: 132px;
  }
  .learning-quantum-machine__side,
  .learning-qubit-visual__panel,
  .learning-mental-model__panel {
    padding: 0.9rem;
  }
  .learning-hardware-strip,
  .learning-qubit-metaphor-strip {
    padding: 0.85rem;
  }
}

/* Sprint 9I — Cryptography Today visual learning boards */
.learning-crypto-visual {
  padding: clamp(1.35rem, 3.4vw, 2.35rem);
  border-radius: var(--rounded-xl);
  border: 1px solid rgba(76, 215, 246, 0.14);
  background:
    radial-gradient(circle at 100% 0%, rgba(45, 212, 191, 0.065), transparent 34%),
    radial-gradient(circle at 0% 100%, rgba(76, 215, 246, 0.035), transparent 36%),
    rgba(255, 255, 255, 0.026);
}
.learning-crypto-visual__header {
  max-width: 780px;
  margin-bottom: clamp(1.2rem, 3vw, 1.75rem);
}
.learning-crypto-visual__header h2 {
  margin: 0.85rem 0 0.65rem;
  color: var(--color-on-surface);
  font-family: var(--font-family-h2);
  font-size: clamp(25px, 3.6vw, 36px);
  line-height: 1.18;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.learning-crypto-visual__header .learning-body {
  margin: 0;
  color: var(--color-on-surface);
}
.learning-crypto-visual__badge,
.learning-crypto-label {
  background: rgba(76, 215, 246, 0.08);
  border-color: rgba(76, 215, 246, 0.16);
  color: var(--color-primary);
}
.learning-crypto-label {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 0.65rem;
  padding: 0.28rem 0.6rem;
  border-radius: var(--rounded-full);
  border: 1px solid rgba(76, 215, 246, 0.16);
  font-family: var(--font-family-label);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.25;
  text-transform: uppercase;
}
.learning-crypto-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.85rem;
}
.learning-crypto-chip-list span {
  display: inline-flex;
  max-width: 100%;
  padding: 0.34rem 0.58rem;
  border-radius: var(--rounded-full);
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.07);
  color: var(--color-on-surface-variant);
  font-size: 13px;
  line-height: 1.35;
}
.learning-crypto-map {
  display: grid;
  grid-template-columns: minmax(0, 0.55fr) minmax(0, 1.45fr);
  gap: clamp(0.9rem, 2.2vw, 1.2rem);
  align-items: stretch;
}
.learning-crypto-map__center,
.learning-crypto-map__layer,
.learning-crypto-trust-card,
.learning-crypto-comparison__card,
.learning-key-party,
.learning-key-exchange-step,
.learning-crypto-flow__step,
.learning-tls-flow__step,
.learning-crypto-short-answer,
.learning-crypto-core__section,
.learning-crypto-readable-panel,
.learning-crypto-example {
  min-width: 0;
  border-radius: var(--rounded-lg);
  background: rgba(23, 29, 30, 0.62);
  border: 1px solid rgba(109, 121, 125, 0.12);
}
.learning-crypto-map__center {
  display: grid;
  align-content: center;
  gap: 0.7rem;
  padding: clamp(1rem, 2.4vw, 1.35rem);
  border-color: rgba(76, 215, 246, 0.2);
  background:
    radial-gradient(circle at 24% 16%, rgba(76, 215, 246, 0.12), transparent 34%),
    rgba(23, 29, 30, 0.7);
}
.learning-crypto-map__center span {
  color: var(--color-primary);
  font-family: var(--font-family-label);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.learning-crypto-map__center strong {
  max-width: 260px;
  color: var(--color-on-surface);
  font-family: var(--font-family-h3);
  font-size: clamp(20px, 2.4vw, 26px);
  line-height: 1.25;
}
.learning-crypto-map__layers {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(0.75rem, 1.8vw, 1rem);
}
.learning-crypto-map__layer {
  position: relative;
  padding: clamp(0.95rem, 2vw, 1.15rem);
  border-top: 2px solid rgba(76, 215, 246, 0.22);
}
.learning-crypto-map__layer:nth-child(2) {
  border-top-color: rgba(45, 212, 191, 0.22);
}
.learning-crypto-map__layer:nth-child(3) {
  border-top-color: rgba(251, 191, 36, 0.18);
}
.learning-crypto-map__layer h3,
.learning-crypto-trust-card h3,
.learning-crypto-comparison__card h3,
.learning-key-party h3,
.learning-crypto-flow__step h3,
.learning-tls-flow__step h3,
.learning-crypto-short-answer__card h3,
.learning-crypto-core__section h3,
.learning-crypto-readable-panel__card h3,
.learning-crypto-example h3 {
  margin: 0 0 0.75rem;
  color: var(--color-on-surface);
  font-family: var(--font-family-h3);
  font-size: clamp(17px, 1.75vw, 20px);
  line-height: 1.35;
  font-weight: 600;
}
.learning-crypto-map__layer i,
.learning-crypto-flow__step i,
.learning-tls-flow__step i {
  position: absolute;
  display: block;
  background: linear-gradient(90deg, rgba(76, 215, 246, 0.1), rgba(76, 215, 246, 0.62));
}
.learning-crypto-map__layer i {
  top: 50%;
  right: -0.75rem;
  width: 0.75rem;
  height: 1px;
  animation: learningCryptoPulse 4.8s ease-in-out infinite;
}
.learning-crypto-trust-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(0.75rem, 1.8vw, 1rem);
  margin-top: clamp(1rem, 2.5vw, 1.35rem);
}
.learning-crypto-trust-card {
  padding: clamp(0.95rem, 2vw, 1.15rem);
}
.learning-crypto-trust-card p,
.learning-crypto-flow__step p,
.learning-tls-flow__step p,
.learning-crypto-short-answer__card p,
.learning-crypto-readable-panel__card p {
  margin: 0;
  color: var(--color-on-surface-variant);
  font-family: var(--font-family-body);
  font-size: 14px;
  line-height: 1.55;
}
.learning-crypto-visual__takeaway,
.learning-crypto-bridge-note,
.learning-crypto-caution,
.learning-crypto-short-answer__lead,
.learning-crypto-core__callout,
.learning-crypto-readable-panel__lead {
  margin: clamp(1rem, 2.5vw, 1.35rem) 0 0;
  padding: 0.85rem 1rem;
  border-radius: var(--rounded-lg);
  border: 1px solid rgba(76, 215, 246, 0.17);
  background: rgba(76, 215, 246, 0.055);
  color: var(--color-on-surface);
  font-family: var(--font-family-body);
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.58;
}
.learning-crypto-comparison {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  gap: clamp(0.85rem, 2vw, 1.1rem);
  align-items: stretch;
}
.learning-crypto-comparison__card {
  padding: clamp(1rem, 2.4vw, 1.35rem);
}
.learning-crypto-comparison__card--symmetric {
  border-color: rgba(76, 215, 246, 0.2);
}
.learning-crypto-comparison__card--asymmetric {
  border-color: rgba(45, 212, 191, 0.2);
}
.learning-crypto-comparison__bridge {
  align-self: center;
  display: grid;
  place-items: center;
  min-width: 92px;
  color: var(--color-primary);
  font-family: var(--font-family-label);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.35;
  text-align: center;
  text-transform: uppercase;
}
.learning-crypto-comparison__bridge::before,
.learning-crypto-comparison__bridge::after {
  content: "";
  display: block;
  width: 58px;
  height: 1px;
  background: linear-gradient(90deg, rgba(76, 215, 246, 0.12), rgba(76, 215, 246, 0.62));
}
.learning-crypto-caution,
.learning-crypto-metaphor-warning {
  border-style: dashed;
  border-color: rgba(251, 191, 36, 0.22);
  background: rgba(251, 191, 36, 0.045);
  color: var(--color-on-surface-variant);
}
.learning-crypto-metaphor-warning {
  display: grid;
  gap: 0.45rem;
  margin-bottom: clamp(1rem, 2.5vw, 1.35rem);
  padding: 0.9rem 1rem;
  border-radius: var(--rounded-lg);
  border: 1px dashed rgba(251, 191, 36, 0.22);
}
.learning-crypto-metaphor-warning span {
  color: var(--color-legacy-amber);
  font-family: var(--font-family-label);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.learning-crypto-metaphor-warning p {
  margin: 0;
  color: var(--color-on-surface);
  font-family: var(--font-family-body);
  font-size: 14px;
  line-height: 1.55;
}
.learning-key-exchange-board {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.5fr) minmax(0, 0.75fr);
  gap: clamp(0.85rem, 2vw, 1.1rem);
  align-items: stretch;
}
.learning-key-party {
  display: grid;
  align-content: center;
  gap: 0.8rem;
  padding: clamp(1rem, 2.4vw, 1.35rem);
}
.learning-colour-pot {
  position: relative;
  min-height: 180px;
  overflow: hidden;
  border-radius: var(--rounded-lg);
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.07);
}
.learning-colour-pot::before,
.learning-colour-pot::after,
.learning-colour-pot span {
  content: "";
  position: absolute;
  border-radius: var(--rounded-full);
  filter: blur(0.2px);
}
.learning-colour-pot::before {
  left: 18%;
  top: 24%;
  width: 76px;
  height: 76px;
  background: rgba(76, 215, 246, 0.62);
}
.learning-colour-pot--alice::after {
  right: 18%;
  bottom: 24%;
  width: 82px;
  height: 82px;
  background: rgba(251, 191, 36, 0.58);
}
.learning-colour-pot--bob::after {
  right: 18%;
  bottom: 24%;
  width: 82px;
  height: 82px;
  background: rgba(45, 212, 191, 0.58);
}
.learning-colour-pot span {
  left: 50%;
  top: 50%;
  width: 96px;
  height: 96px;
  transform: translate(-50%, -50%);
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.14);
  animation: learningColourMix 5.6s ease-in-out infinite;
}
.learning-key-exchange-steps {
  display: grid;
  gap: 0.65rem;
}
.learning-key-exchange-step {
  padding: clamp(0.85rem, 2vw, 1rem);
  border-left: 2px solid rgba(76, 215, 246, 0.2);
  animation: learningCryptoStepGlow 9s ease-in-out infinite;
}
.learning-key-exchange-step:nth-child(2) { animation-delay: 0.9s; }
.learning-key-exchange-step:nth-child(3) { animation-delay: 1.8s; }
.learning-key-exchange-step:nth-child(4) { animation-delay: 2.7s; }
.learning-key-exchange-step:nth-child(5) { animation-delay: 3.6s; }
.learning-key-exchange-step > span,
.learning-crypto-flow__step > span {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 0.55rem;
  color: var(--color-primary);
  font-family: var(--font-family-label);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.learning-key-exchange-step p {
  margin: 0;
  color: var(--color-on-surface-variant);
  font-family: var(--font-family-body);
  font-size: 14px;
  line-height: 1.5;
}
.learning-key-exchange-step p + p {
  margin-top: 0.25rem;
}
.learning-key-exchange-step strong {
  color: var(--color-on-surface);
}
.learning-crypto-flow,
.learning-tls-flow {
  display: grid;
  gap: clamp(0.8rem, 2vw, 1rem);
  margin-top: clamp(1rem, 2.5vw, 1.35rem);
}
.learning-crypto-flow {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.learning-crypto-flow--signature {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}
.learning-crypto-flow__step,
.learning-tls-flow__step {
  position: relative;
  padding: clamp(1rem, 2.2vw, 1.2rem);
}
.learning-crypto-flow__step i,
.learning-tls-flow__step i {
  top: 50%;
  right: -0.75rem;
  width: 0.75rem;
  height: 1px;
  animation: learningCryptoPulse 4.8s ease-in-out infinite;
}
.learning-crypto-flow__step {
  animation: learningCryptoStepGlow 8s ease-in-out infinite;
}
.learning-crypto-flow__step:nth-child(2) { animation-delay: 0.8s; }
.learning-crypto-flow__step:nth-child(3) { animation-delay: 1.6s; }
.learning-crypto-flow__step:nth-child(4) { animation-delay: 2.4s; }
.learning-crypto-flow__step:nth-child(5) { animation-delay: 3.2s; }
.learning-crypto-chip-list--examples {
  margin-top: clamp(1rem, 2.5vw, 1.35rem);
}
.learning-tls-flow {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}
.learning-tls-flow__step {
  animation: learningCryptoStepGlow 9s ease-in-out infinite;
}
.learning-tls-flow__step:nth-child(2) { animation-delay: 0.8s; }
.learning-tls-flow__step:nth-child(3) { animation-delay: 1.6s; }
.learning-tls-flow__step:nth-child(4) { animation-delay: 2.4s; }
.learning-tls-flow__step:nth-child(5) { animation-delay: 3.2s; }
.learning-tls-flow__step p + p {
  margin-top: 0.45rem;
}
.learning-tls-flow__step strong {
  color: var(--color-on-surface);
}
.learning-crypto-short-answer {
  padding: clamp(1rem, 2.4vw, 1.4rem);
  border-left: 3px solid rgba(76, 215, 246, 0.68);
  background:
    radial-gradient(circle at 0% 0%, rgba(76, 215, 246, 0.07), transparent 34%),
    rgba(23, 29, 30, 0.56);
}
.learning-crypto-short-answer__lead {
  margin-top: 0;
  font-size: clamp(17px, 1.5vw, 20px);
}
.learning-crypto-short-answer__cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
  gap: clamp(0.75rem, 2vw, 1rem);
  margin-top: clamp(0.95rem, 2.2vw, 1.2rem);
}
.learning-crypto-short-answer__card {
  min-width: 0;
  padding: clamp(0.9rem, 2vw, 1.1rem);
  border-radius: var(--rounded-lg);
  background: rgba(23, 29, 30, 0.58);
  border: 1px solid rgba(109, 121, 125, 0.12);
  border-top: 2px solid rgba(76, 215, 246, 0.22);
}
.learning-crypto-short-answer__card:nth-child(2) {
  border-top-color: rgba(45, 212, 191, 0.2);
}
.learning-crypto-short-answer__card:nth-child(3) {
  border-top-color: rgba(251, 191, 36, 0.18);
}
.learning-crypto-short-answer__card h3 {
  margin-bottom: 0.45rem;
  font-size: clamp(16px, 1.5vw, 18px);
}
.learning-crypto-core {
  display: grid;
  gap: clamp(0.85rem, 2vw, 1.1rem);
}
.learning-crypto-core__section {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: clamp(0.9rem, 2.4vw, 1.25rem);
  padding: clamp(1rem, 2.4vw, 1.4rem);
  border-left: 2px solid rgba(76, 215, 246, 0.28);
}
.learning-crypto-core__number {
  width: var(--qr-bubble-md);
  height: var(--qr-bubble-md);
  display: grid;
  place-items: center;
  border-radius: var(--rounded-full);
  background: rgba(76, 215, 246, 0.1);
  border: 1px solid rgba(76, 215, 246, 0.2);
  color: var(--color-primary);
  font-family: var(--font-family-label);
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
}
.learning-crypto-core__section .learning-body,
.learning-crypto-example .learning-body {
  margin: 0;
}
.learning-crypto-core__section .learning-body + .learning-body,
.learning-crypto-example .learning-body + .learning-body {
  margin-top: 0.6rem;
}
.learning-crypto-core__section .learning-start-mini-list,
.learning-crypto-example .learning-crypto-chip-list {
  margin-top: 0.8rem;
}
.learning-crypto-readable-panel {
  padding: clamp(1rem, 2.4vw, 1.4rem);
  border-left: 3px solid rgba(76, 215, 246, 0.38);
  background:
    radial-gradient(circle at 100% 0%, rgba(45, 212, 191, 0.045), transparent 34%),
    rgba(23, 29, 30, 0.46);
}
.learning-crypto-readable-panel__lead {
  margin-top: 0;
}
.learning-crypto-readable-panel__cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(0.8rem, 2vw, 1rem);
  margin-top: clamp(0.95rem, 2.2vw, 1.2rem);
}
.learning-crypto-readable-panel__card {
  min-width: 0;
  padding: clamp(0.9rem, 2vw, 1.1rem);
  border-radius: var(--rounded-lg);
  background: rgba(23, 29, 30, 0.62);
  border: 1px solid rgba(109, 121, 125, 0.12);
}
.learning-crypto-example {
  padding: clamp(1rem, 2.4vw, 1.4rem);
  border-left: 3px solid rgba(45, 212, 191, 0.52);
  background: linear-gradient(90deg, rgba(45, 212, 191, 0.04) 0%, rgba(23, 29, 30, 0.42) 72%);
}
@keyframes learningCryptoPulse {
  0%, 100% { opacity: 0.28; }
  50% { opacity: 0.82; }
}
@keyframes learningCryptoStepGlow {
  0%, 100% {
    border-color: rgba(109, 121, 125, 0.12);
    box-shadow: none;
  }
  40% {
    border-color: rgba(76, 215, 246, 0.22);
    box-shadow: 0 0 0 1px rgba(76, 215, 246, 0.055);
  }
}
@keyframes learningColourMix {
  0%, 100% {
    transform: translate(-50%, -50%) scale(0.82);
    opacity: 0.42;
  }
  50% {
    transform: translate(-50%, -50%) scale(1.08);
    opacity: 0.72;
  }
}
@media (max-width: 1100px) {
  .learning-crypto-map {
    grid-template-columns: 1fr;
  }
  .learning-crypto-map__layers,
  .learning-crypto-trust-grid,
  .learning-crypto-flow,
  .learning-crypto-flow--signature,
  .learning-tls-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 900px) {
  .learning-crypto-visual,
  .learning-crypto-short-answer,
  .learning-crypto-core__section,
  .learning-crypto-readable-panel,
  .learning-crypto-example {
    padding: clamp(1rem, 3vw, 1.45rem);
  }
  .learning-crypto-comparison,
  .learning-key-exchange-board,
  .learning-crypto-readable-panel__cards {
    grid-template-columns: 1fr;
  }
  .learning-crypto-comparison__bridge {
    min-width: 0;
    min-height: 42px;
  }
  .learning-crypto-comparison__bridge::before,
  .learning-crypto-comparison__bridge::after {
    width: 1px;
    height: 24px;
    background: linear-gradient(180deg, rgba(76, 215, 246, 0.12), rgba(76, 215, 246, 0.62));
  }
  .learning-crypto-map__layer i,
  .learning-crypto-flow__step i,
  .learning-tls-flow__step i {
    display: none;
  }
}
@media (max-width: 640px) {
  .learning-crypto-map__layers,
  .learning-crypto-trust-grid,
  .learning-crypto-flow,
  .learning-crypto-flow--signature,
  .learning-tls-flow,
  .learning-crypto-core__section {
    grid-template-columns: 1fr;
  }
  .learning-colour-pot {
    min-height: 132px;
  }
}
@media (max-width: 480px) {
  .learning-crypto-visual,
  .learning-crypto-short-answer,
  .learning-crypto-core__section,
  .learning-crypto-readable-panel,
  .learning-crypto-example,
  .learning-crypto-comparison__card,
  .learning-key-party,
  .learning-key-exchange-step,
  .learning-crypto-flow__step,
  .learning-tls-flow__step,
  .learning-crypto-short-answer__card,
  .learning-crypto-readable-panel__card {
    padding: 0.9rem;
  }
  .learning-crypto-core__number {
    width: var(--qr-bubble-md);
    height: var(--qr-bubble-md);
  }
}
@media (prefers-reduced-motion: reduce) {
  .learning-crypto-map__layer i,
  .learning-key-exchange-step,
  .learning-colour-pot span,
  .learning-crypto-flow__step,
  .learning-crypto-flow__step i,
  .learning-tls-flow__step,
  .learning-tls-flow__step i {
    animation: none;
  }
}

/* Sprint 9I — Post-Quantum Cryptography Explained technical boards */
.learning-pqc-visual {
  padding: clamp(1.35rem, 3.4vw, 2.35rem);
  border-radius: var(--rounded-xl);
  border: 1px solid rgba(76, 215, 246, 0.14);
  background:
    radial-gradient(circle at 100% 0%, rgba(45, 212, 191, 0.065), transparent 34%),
    radial-gradient(circle at 0% 100%, rgba(251, 191, 36, 0.035), transparent 38%),
    rgba(255, 255, 255, 0.026);
}
.learning-pqc-visual__header {
  max-width: 800px;
  margin-bottom: clamp(1.2rem, 3vw, 1.75rem);
}
.learning-pqc-visual__header h2 {
  margin: 0.85rem 0 0.65rem;
  color: var(--color-on-surface);
  font-family: var(--font-family-h2);
  font-size: clamp(25px, 3.6vw, 36px);
  line-height: 1.18;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.learning-pqc-visual__header .learning-body {
  margin: 0;
  color: var(--color-on-surface);
}
.learning-pqc-visual__badge,
.learning-pqc-side-panel > span {
  background: rgba(76, 215, 246, 0.08);
  border-color: rgba(76, 215, 246, 0.16);
  color: var(--color-primary);
}
.learning-pqc-visual__body {
  display: grid;
  gap: clamp(1rem, 2.5vw, 1.35rem);
}
.learning-pqc-visual__body--split {
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.65fr);
  align-items: stretch;
}
.learning-pqc-flow {
  display: grid;
  gap: clamp(0.8rem, 2vw, 1rem);
}
.learning-pqc-flow--kem,
.learning-pqc-flow--ml-dsa,
.learning-pqc-flow--ml-kem {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.learning-pqc-flow__step,
.learning-pqc-comparison__card,
.learning-pqc-hybrid__input,
.learning-pqc-hybrid__result,
.learning-pqc-side-panel,
.learning-pqc-short-answer,
.learning-pqc-core__section,
.learning-pqc-panel,
.learning-pqc-example {
  min-width: 0;
  border-radius: var(--rounded-lg);
  background: rgba(23, 29, 30, 0.62);
  border: 1px solid rgba(109, 121, 125, 0.12);
}
.learning-pqc-flow__step {
  position: relative;
  padding: clamp(1rem, 2.2vw, 1.2rem);
  border-left: 2px solid rgba(76, 215, 246, 0.22);
}
.learning-pqc-visual--kem .learning-pqc-flow__step {
  animation: learningPqcStepGlow 8s ease-in-out infinite;
}
.learning-pqc-visual--kem .learning-pqc-flow__step:nth-child(2) { animation-delay: 0.8s; }
.learning-pqc-visual--kem .learning-pqc-flow__step:nth-child(3) { animation-delay: 1.6s; }
.learning-pqc-visual--kem .learning-pqc-flow__step:nth-child(4) { animation-delay: 2.4s; }
.learning-pqc-visual--kem .learning-pqc-flow__step:nth-child(5) { animation-delay: 3.2s; }
.learning-pqc-flow__step > span,
.learning-pqc-comparison__card > span,
.learning-pqc-hybrid__input > span,
.learning-pqc-hybrid__result > span {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 0.55rem;
  color: var(--color-primary);
  font-family: var(--font-family-label);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.learning-pqc-flow__step h3,
.learning-pqc-comparison__card h3,
.learning-pqc-hybrid__input h3,
.learning-pqc-hybrid__result h3,
.learning-pqc-side-panel h3,
.learning-pqc-short-answer__card h3,
.learning-pqc-core__section h3,
.learning-pqc-panel__card h3,
.learning-pqc-example h3 {
  margin: 0 0 0.7rem;
  color: var(--color-on-surface);
  font-family: var(--font-family-h3);
  font-size: clamp(17px, 1.75vw, 20px);
  line-height: 1.35;
  font-weight: 600;
}
.learning-pqc-flow__step p,
.learning-pqc-comparison__card p,
.learning-pqc-hybrid__input p,
.learning-pqc-side-panel p,
.learning-pqc-short-answer__card p,
.learning-pqc-panel__card p {
  margin: 0;
  color: var(--color-on-surface-variant);
  font-family: var(--font-family-body);
  font-size: 14px;
  line-height: 1.55;
}
.learning-pqc-flow__step i {
  position: absolute;
  top: 50%;
  right: -0.75rem;
  display: block;
  width: 0.75rem;
  height: 1px;
  background: linear-gradient(90deg, rgba(76, 215, 246, 0.12), rgba(76, 215, 246, 0.62));
}
.learning-pqc-visual--kem .learning-pqc-flow__step i {
  animation: learningPqcPulse 4.8s ease-in-out infinite;
}
.learning-pqc-side-panel {
  display: grid;
  align-content: start;
  gap: 0.85rem;
  padding: clamp(1rem, 2.4vw, 1.35rem);
  border-color: rgba(251, 191, 36, 0.16);
  background:
    radial-gradient(circle at 100% 0%, rgba(251, 191, 36, 0.05), transparent 34%),
    rgba(23, 29, 30, 0.56);
}
.learning-pqc-side-panel > span {
  display: inline-flex;
  width: fit-content;
  padding: 0.28rem 0.6rem;
  border-radius: var(--rounded-full);
  border: 1px solid rgba(76, 215, 246, 0.16);
  font-family: var(--font-family-label);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.25;
  text-transform: uppercase;
}
.learning-pqc-side-panel div {
  padding-top: 0.8rem;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
}
.learning-pqc-side-panel h3 {
  margin-bottom: 0.35rem;
  font-size: 15px;
}
.learning-pqc-takeaway,
.learning-pqc-short-answer__lead,
.learning-pqc-core__callout,
.learning-pqc-panel__lead,
.learning-pqc-caution {
  margin: clamp(1rem, 2.5vw, 1.35rem) 0 0;
  padding: 0.85rem 1rem;
  border-radius: var(--rounded-lg);
  border: 1px solid rgba(76, 215, 246, 0.17);
  background: rgba(76, 215, 246, 0.055);
  color: var(--color-on-surface);
  font-family: var(--font-family-body);
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.58;
}
.learning-pqc-comparison {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(0.85rem, 2vw, 1.1rem);
}
.learning-pqc-comparison__card {
  padding: clamp(1rem, 2.4vw, 1.35rem);
  border-top: 2px solid rgba(76, 215, 246, 0.22);
}
.learning-pqc-comparison__card:nth-child(2) {
  border-top-color: rgba(45, 212, 191, 0.22);
}
.learning-pqc-hybrid {
  display: grid;
  gap: clamp(1rem, 2.5vw, 1.35rem);
}
.learning-pqc-hybrid__inputs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(0.85rem, 2vw, 1.1rem);
}
.learning-pqc-hybrid__input,
.learning-pqc-hybrid__result {
  padding: clamp(1rem, 2.4vw, 1.35rem);
}
.learning-pqc-hybrid__input:nth-child(1) {
  border-color: rgba(76, 215, 246, 0.18);
}
.learning-pqc-hybrid__input:nth-child(2) {
  border-color: rgba(45, 212, 191, 0.18);
}
.learning-pqc-hybrid__result {
  position: relative;
  border-color: rgba(251, 191, 36, 0.22);
  background:
    radial-gradient(circle at 100% 0%, rgba(251, 191, 36, 0.055), transparent 34%),
    rgba(23, 29, 30, 0.62);
  animation: learningPqcStepGlow 8s ease-in-out infinite;
}
.learning-pqc-hybrid__result .learning-body {
  margin: 0;
}
.learning-pqc-hybrid__result .learning-body + .learning-body {
  margin-top: 0.55rem;
}
.learning-pqc-short-answer {
  padding: clamp(1rem, 2.4vw, 1.4rem);
  border-left: 3px solid rgba(76, 215, 246, 0.68);
  background:
    radial-gradient(circle at 0% 0%, rgba(76, 215, 246, 0.07), transparent 34%),
    rgba(23, 29, 30, 0.56);
}
.learning-pqc-short-answer__lead {
  margin-top: 0;
  font-size: clamp(17px, 1.5vw, 20px);
}
.learning-pqc-short-answer__cards,
.learning-pqc-panel__cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
  gap: clamp(0.75rem, 2vw, 1rem);
  margin-top: clamp(0.95rem, 2.2vw, 1.2rem);
}
.learning-pqc-short-answer__card,
.learning-pqc-panel__card {
  min-width: 0;
  padding: clamp(0.9rem, 2vw, 1.1rem);
  border-radius: var(--rounded-lg);
  background: rgba(23, 29, 30, 0.58);
  border: 1px solid rgba(109, 121, 125, 0.12);
  border-top: 2px solid rgba(76, 215, 246, 0.22);
}
.learning-pqc-short-answer__card:nth-child(2),
.learning-pqc-panel__card:nth-child(2) {
  border-top-color: rgba(45, 212, 191, 0.2);
}
.learning-pqc-short-answer__card:nth-child(3),
.learning-pqc-panel__card:nth-child(3) {
  border-top-color: rgba(251, 191, 36, 0.18);
}
.learning-pqc-short-answer__card h3 {
  margin-bottom: 0.45rem;
  font-size: clamp(16px, 1.5vw, 18px);
}
.learning-pqc-core {
  display: grid;
  gap: clamp(0.85rem, 2vw, 1.1rem);
}
.learning-pqc-core__section {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: clamp(0.9rem, 2.4vw, 1.25rem);
  padding: clamp(1rem, 2.4vw, 1.4rem);
  border-left: 2px solid rgba(76, 215, 246, 0.28);
}
.learning-pqc-core__number {
  width: var(--qr-bubble-md);
  height: var(--qr-bubble-md);
  display: grid;
  place-items: center;
  border-radius: var(--rounded-full);
  background: rgba(76, 215, 246, 0.1);
  border: 1px solid rgba(76, 215, 246, 0.2);
  color: var(--color-primary);
  font-family: var(--font-family-label);
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
}
.learning-pqc-core__section .learning-body,
.learning-pqc-example .learning-body,
.learning-pqc-panel__copy .learning-body {
  margin: 0;
}
.learning-pqc-core__section .learning-body + .learning-body,
.learning-pqc-example .learning-body + .learning-body,
.learning-pqc-panel__copy .learning-body + .learning-body {
  margin-top: 0.6rem;
}
.learning-pqc-core__section .learning-start-mini-list,
.learning-pqc-chip-list--panel {
  margin-top: 0.8rem;
}
.learning-pqc-panel,
.learning-pqc-example {
  padding: clamp(1rem, 2.4vw, 1.4rem);
  border-left: 3px solid rgba(76, 215, 246, 0.38);
  background:
    radial-gradient(circle at 100% 0%, rgba(45, 212, 191, 0.045), transparent 34%),
    rgba(23, 29, 30, 0.46);
}
.learning-pqc-panel--watch {
  border-left-color: rgba(251, 191, 36, 0.52);
}
.learning-pqc-panel--negative {
  border-left-color: rgba(251, 191, 36, 0.62);
  background:
    radial-gradient(circle at 100% 0%, rgba(251, 191, 36, 0.045), transparent 34%),
    rgba(23, 29, 30, 0.46);
}
.learning-pqc-panel__lead {
  margin-top: 0;
}
.learning-pqc-example {
  border-left-color: rgba(45, 212, 191, 0.52);
  background: linear-gradient(90deg, rgba(45, 212, 191, 0.04) 0%, rgba(23, 29, 30, 0.42) 72%);
}
.learning-pqc-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.85rem;
}
.learning-pqc-chip-list span {
  display: inline-flex;
  max-width: 100%;
  padding: 0.34rem 0.58rem;
  border-radius: var(--rounded-full);
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.07);
  color: var(--color-on-surface-variant);
  font-size: 13px;
  line-height: 1.35;
}
.learning-pqc-caution {
  border-style: dashed;
  border-color: rgba(251, 191, 36, 0.22);
  background: rgba(251, 191, 36, 0.045);
  color: var(--color-on-surface-variant);
}
@keyframes learningPqcPulse {
  0%, 100% { opacity: 0.28; }
  50% { opacity: 0.82; }
}
@keyframes learningPqcStepGlow {
  0%, 100% {
    border-color: rgba(109, 121, 125, 0.12);
    box-shadow: none;
  }
  40% {
    border-color: rgba(76, 215, 246, 0.22);
    box-shadow: 0 0 0 1px rgba(76, 215, 246, 0.055);
  }
}
@media (max-width: 1100px) {
  .learning-pqc-visual__body--split {
    grid-template-columns: 1fr;
  }
  .learning-pqc-flow--kem,
  .learning-pqc-flow--ml-dsa,
  .learning-pqc-flow--ml-kem {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 900px) {
  .learning-pqc-visual,
  .learning-pqc-short-answer,
  .learning-pqc-core__section,
  .learning-pqc-panel,
  .learning-pqc-example {
    padding: clamp(1rem, 3vw, 1.45rem);
  }
  .learning-pqc-comparison,
  .learning-pqc-hybrid__inputs {
    grid-template-columns: 1fr;
  }
  .learning-pqc-flow__step i {
    display: none;
  }
}
@media (max-width: 640px) {
  .learning-pqc-flow--kem,
  .learning-pqc-flow--ml-dsa,
  .learning-pqc-flow--ml-kem,
  .learning-pqc-core__section {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 480px) {
  .learning-pqc-visual,
  .learning-pqc-flow__step,
  .learning-pqc-side-panel,
  .learning-pqc-short-answer,
  .learning-pqc-short-answer__card,
  .learning-pqc-core__section,
  .learning-pqc-panel,
  .learning-pqc-panel__card,
  .learning-pqc-example,
  .learning-pqc-comparison__card,
  .learning-pqc-hybrid__input,
  .learning-pqc-hybrid__result {
    padding: 0.9rem;
  }
  .learning-pqc-core__number {
    width: var(--qr-bubble-md);
    height: var(--qr-bubble-md);
  }
}
@media (prefers-reduced-motion: reduce) {
  .learning-pqc-visual--kem .learning-pqc-flow__step,
  .learning-pqc-visual--kem .learning-pqc-flow__step i,
  .learning-pqc-hybrid__result {
    animation: none;
  }
}

/* Sprint 9I — Readiness and Migration operational boards */
.learning-readiness-visual {
  padding: clamp(1.35rem, 3.4vw, 2.35rem);
  border-radius: var(--rounded-xl);
  border: 1px solid rgba(45, 212, 191, 0.15);
  background:
    radial-gradient(circle at 100% 0%, rgba(45, 212, 191, 0.07), transparent 34%),
    radial-gradient(circle at 0% 100%, rgba(76, 215, 246, 0.04), transparent 38%),
    rgba(255, 255, 255, 0.026);
}
.learning-readiness-visual__header {
  max-width: 800px;
  margin-bottom: clamp(1.2rem, 3vw, 1.75rem);
}
.learning-readiness-visual__header h2 {
  margin: 0.85rem 0 0.65rem;
  color: var(--color-on-surface);
  font-family: var(--font-family-h2);
  font-size: clamp(25px, 3.6vw, 36px);
  line-height: 1.18;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.learning-readiness-visual__header .learning-body {
  margin: 0;
  color: var(--color-on-surface);
}
.learning-readiness-visual__badge {
  background: rgba(45, 212, 191, 0.08);
  border-color: rgba(45, 212, 191, 0.18);
  color: var(--color-ready-teal);
}
.learning-readiness-board,
.learning-discovery-pipeline__groups,
.learning-bom-comparison,
.learning-agility-comparison,
.learning-readiness-short-answer__cards,
.learning-readiness-panel__cards,
.learning-readiness-example__cards {
  display: grid;
  gap: clamp(0.85rem, 2vw, 1.1rem);
}
.learning-readiness-board {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.learning-readiness-board-intro {
  width: fit-content;
  max-width: 100%;
  margin: 0 0 clamp(1rem, 2.5vw, 1.35rem);
  padding: 0.72rem 0.95rem;
  border-radius: var(--rounded-full);
  background: rgba(76, 215, 246, 0.06);
  border: 1px solid rgba(76, 215, 246, 0.16);
  color: var(--color-on-surface);
  font-family: var(--font-family-body);
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.45;
}
.learning-readiness-board__step,
.learning-readiness-source-card,
.learning-discovery-group,
.learning-readiness-source-row,
.learning-discovery-pipeline__collector,
.learning-inventory-record,
.learning-bom-comparison__card,
.learning-agility-comparison__card,
.learning-readiness-short-answer,
.learning-readiness-core__section,
.learning-readiness-quality,
.learning-readiness-panel,
.learning-readiness-example,
.learning-readiness-question {
  min-width: 0;
  border-radius: var(--rounded-lg);
  background: rgba(23, 29, 30, 0.62);
  border: 1px solid rgba(109, 121, 125, 0.12);
}
.learning-readiness-board__step,
.learning-readiness-source-card,
.learning-discovery-group,
.learning-bom-comparison__card,
.learning-agility-comparison__card {
  position: relative;
  padding: clamp(0.95rem, 2vw, 1.15rem);
}
.learning-readiness-board__step {
  border-top: 2px solid rgba(76, 215, 246, 0.22);
  animation: learningReadinessStepGlow 10s ease-in-out infinite;
}
.learning-readiness-board__step--output {
  grid-column: 1 / -1;
  border-color: rgba(45, 212, 191, 0.24);
  background:
    radial-gradient(circle at 100% 0%, rgba(45, 212, 191, 0.075), transparent 34%),
    rgba(23, 29, 30, 0.7);
}
.learning-readiness-board__step:nth-child(2) { animation-delay: 0.6s; }
.learning-readiness-board__step:nth-child(3) { animation-delay: 1.2s; }
.learning-readiness-board__step:nth-child(4) { animation-delay: 1.8s; }
.learning-readiness-board__step:nth-child(5) { animation-delay: 2.4s; }
.learning-readiness-board__step:nth-child(6) { animation-delay: 3s; }
.learning-readiness-board__step:nth-child(7) { animation-delay: 3.6s; }
.learning-readiness-board__step i {
  position: absolute;
  top: 50%;
  right: -0.72rem;
  z-index: 1;
  width: 0.72rem;
  height: 1px;
  background: linear-gradient(90deg, rgba(76, 215, 246, 0.1), rgba(76, 215, 246, 0.62));
  animation: learningReadinessPulse 4.8s ease-in-out infinite;
  display: none;
}
.learning-readiness-board__step > span,
.learning-readiness-source-card > span,
.learning-discovery-group > span,
.learning-bom-comparison__card > span,
.learning-agility-comparison__card > span,
.learning-readiness-quality__column > span,
.learning-inventory-record__field span,
.learning-inventory-relationship span {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 0.55rem;
  color: var(--color-ready-teal);
  font-family: var(--font-family-label);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.25;
  text-transform: uppercase;
}
.learning-readiness-board__step h3,
.learning-readiness-source-card h3,
.learning-discovery-group h3,
.learning-discovery-pipeline__collector h3,
.learning-bom-comparison__card h3,
.learning-agility-comparison__card h3,
.learning-readiness-short-answer__card h3,
.learning-readiness-core__section h3,
.learning-readiness-panel__card h3,
.learning-readiness-example h3 {
  margin: 0 0 0.7rem;
  color: var(--color-on-surface);
  font-family: var(--font-family-h3);
  font-size: clamp(17px, 1.75vw, 20px);
  line-height: 1.35;
  font-weight: 600;
}
.learning-readiness-board__step p,
.learning-readiness-source-card p,
.learning-readiness-source-row p,
.learning-discovery-pipeline__collector p,
.learning-bom-comparison__card p,
.learning-readiness-short-answer__card p,
.learning-readiness-panel__card p,
.learning-readiness-example__cards p {
  margin: 0;
  color: var(--color-on-surface-variant);
  font-family: var(--font-family-body);
  font-size: 14px;
  line-height: 1.55;
}
.learning-readiness-takeaway,
.learning-readiness-short-answer__lead,
.learning-readiness-core__callout,
.learning-readiness-panel__lead,
.learning-readiness-quality__note,
.learning-readiness-caution {
  margin: clamp(1rem, 2.5vw, 1.35rem) 0 0;
  padding: 0.85rem 1rem;
  border-radius: var(--rounded-lg);
  border: 1px solid rgba(45, 212, 191, 0.18);
  background: rgba(45, 212, 191, 0.055);
  color: var(--color-on-surface);
  font-family: var(--font-family-body);
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.58;
}
.learning-discovery-pipeline {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1rem, 2.5vw, 1.35rem);
  align-items: stretch;
}
.learning-discovery-pipeline__groups {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.learning-source-card,
.learning-readiness-source-card {
  border-left: 2px solid rgba(76, 215, 246, 0.2);
  animation: learningReadinessSourcePulse 7.2s ease-in-out infinite;
}
.learning-readiness-source-card:nth-child(2) { animation-delay: 0.4s; }
.learning-readiness-source-card:nth-child(3) { animation-delay: 0.8s; }
.learning-readiness-source-card:nth-child(4) { animation-delay: 1.2s; }
.learning-readiness-source-card:nth-child(5) { animation-delay: 1.6s; }
.learning-readiness-source-card:nth-child(6) { animation-delay: 2s; }
.learning-readiness-source-card:nth-child(7) { animation-delay: 2.4s; }
.learning-readiness-source-card:nth-child(8) { animation-delay: 2.8s; }
.learning-discovery-group {
  display: grid;
  gap: clamp(0.75rem, 1.8vw, 1rem);
  border-left: 2px solid rgba(76, 215, 246, 0.22);
  background:
    radial-gradient(circle at 100% 0%, rgba(76, 215, 246, 0.045), transparent 34%),
    rgba(23, 29, 30, 0.62);
  animation: learningReadinessSourcePulse 7.2s ease-in-out infinite;
}
.learning-discovery-group:nth-child(2) {
  border-left-color: rgba(45, 212, 191, 0.22);
  animation-delay: 0.8s;
}
.learning-discovery-group:nth-child(3) {
  border-left-color: rgba(251, 191, 36, 0.18);
  animation-delay: 1.6s;
}
.learning-discovery-group__items {
  display: grid;
  gap: 0.6rem;
}
.learning-readiness-source-row {
  display: grid;
  gap: 0.35rem;
  padding: 0.78rem 0.85rem;
  background: rgba(255, 255, 255, 0.026);
}
.learning-readiness-source-row h4 {
  margin: 0;
  color: var(--color-on-surface);
  font-family: var(--font-family-h3);
  font-size: 15px;
  line-height: 1.35;
  font-weight: 600;
}
.learning-discovery-pipeline__collector {
  display: grid;
  align-content: center;
  gap: 0.7rem;
  padding: clamp(1.1rem, 2.8vw, 1.5rem);
  border-color: rgba(45, 212, 191, 0.26);
  background:
    radial-gradient(circle at 50% 18%, rgba(45, 212, 191, 0.11), transparent 34%),
    rgba(23, 29, 30, 0.72);
}
.learning-discovery-pipeline__collector > span {
  color: var(--color-ready-teal);
  font-family: var(--font-family-label);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.learning-inventory-record {
  display: grid;
  gap: clamp(1rem, 2.5vw, 1.35rem);
  padding: clamp(1rem, 2.8vw, 1.45rem);
}
.learning-inventory-record__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border-radius: var(--rounded-lg);
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.06);
}
.learning-inventory-record__field {
  display: grid;
  gap: 0.35rem;
  padding: clamp(0.8rem, 1.8vw, 1rem);
  background: rgba(23, 29, 30, 0.8);
}
.learning-inventory-record__field span {
  margin-bottom: 0;
}
.learning-inventory-record__field p {
  margin: 0;
  color: var(--color-on-surface);
  font-family: var(--font-family-body);
  font-size: 14px;
  line-height: 1.45;
}
.learning-inventory-relationship {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(0.75rem, 1.8vw, 1rem);
}
.learning-inventory-relationship div {
  padding: 0.9rem 1rem;
  border-radius: var(--rounded-lg);
  background: rgba(76, 215, 246, 0.045);
  border: 1px solid rgba(76, 215, 246, 0.12);
}
.learning-inventory-relationship p {
  margin: 0;
  color: var(--color-on-surface);
  font-family: var(--font-family-body);
  font-size: 14px;
  line-height: 1.45;
}
.learning-bom-comparison {
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: stretch;
}
.learning-bom-comparison__card {
  border-top: 2px solid rgba(76, 215, 246, 0.22);
}
.learning-bom-comparison__card--cbom {
  border-top-color: rgba(45, 212, 191, 0.24);
}
.learning-bom-comparison__bridge {
  align-self: center;
  display: grid;
  place-items: center;
  gap: 0.35rem;
  min-width: 128px;
  padding: 0.8rem;
  color: var(--color-primary);
  text-align: center;
  font-family: var(--font-family-label);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.35;
  text-transform: uppercase;
}
.learning-bom-comparison__bridge::before,
.learning-bom-comparison__bridge::after {
  content: "";
  display: block;
  width: 72px;
  height: 1px;
  background: linear-gradient(90deg, rgba(76, 215, 246, 0.12), rgba(76, 215, 246, 0.62));
}
.learning-bom-comparison__bridge span {
  color: var(--color-on-surface-variant);
}
.learning-agility-comparison {
  grid-template-columns: minmax(0, 1fr) 92px minmax(0, 1fr);
  align-items: stretch;
}
.learning-agility-comparison__card--rigid {
  border-color: rgba(251, 191, 36, 0.2);
}
.learning-agility-comparison__card--agile {
  border-color: rgba(45, 212, 191, 0.22);
}
.learning-agility-comparison__switch {
  display: grid;
  place-items: center;
}
.learning-agility-comparison__switch span {
  position: relative;
  width: 72px;
  height: 28px;
  border-radius: var(--rounded-full);
  background: rgba(76, 215, 246, 0.08);
  border: 1px solid rgba(76, 215, 246, 0.18);
}
.learning-agility-comparison__switch span::after {
  content: "";
  position: absolute;
  top: 5px;
  left: 6px;
  width: 16px;
  height: 16px;
  border-radius: var(--rounded-full);
  background: var(--color-ready-teal);
  box-shadow: 0 0 0 7px rgba(45, 212, 191, 0.08);
  animation: learningAgilitySwitch 5.8s ease-in-out infinite;
}
.learning-readiness-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.85rem;
}
.learning-readiness-chip-list span {
  display: inline-flex;
  max-width: 100%;
  padding: 0.34rem 0.58rem;
  border-radius: var(--rounded-full);
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.07);
  color: var(--color-on-surface-variant);
  font-size: 13px;
  line-height: 1.35;
}
.learning-readiness-short-answer,
.learning-readiness-panel,
.learning-readiness-example {
  padding: clamp(1rem, 2.4vw, 1.4rem);
  border-left: 3px solid rgba(45, 212, 191, 0.55);
  background:
    radial-gradient(circle at 0% 0%, rgba(45, 212, 191, 0.07), transparent 34%),
    rgba(23, 29, 30, 0.56);
}
.learning-readiness-short-answer__lead,
.learning-readiness-panel__lead {
  margin-top: 0;
  font-size: clamp(17px, 1.5vw, 20px);
}
.learning-readiness-short-answer__cards,
.learning-readiness-panel__cards,
.learning-readiness-example__cards {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
  margin-top: clamp(0.95rem, 2.2vw, 1.2rem);
}
.learning-readiness-short-answer__card,
.learning-readiness-panel__card,
.learning-readiness-example__cards > div {
  min-width: 0;
  padding: clamp(0.9rem, 2vw, 1.1rem);
  border-radius: var(--rounded-lg);
  background: rgba(23, 29, 30, 0.58);
  border: 1px solid rgba(109, 121, 125, 0.12);
  border-top: 2px solid rgba(76, 215, 246, 0.22);
}
.learning-readiness-short-answer__card:nth-child(2),
.learning-readiness-panel__card:nth-child(2),
.learning-readiness-example__cards > div:nth-child(2) {
  border-top-color: rgba(45, 212, 191, 0.22);
}
.learning-readiness-short-answer__card:nth-child(3),
.learning-readiness-panel__card:nth-child(3),
.learning-readiness-example__cards > div:nth-child(3) {
  border-top-color: rgba(251, 191, 36, 0.18);
}
.learning-readiness-core {
  display: grid;
  gap: clamp(0.85rem, 2vw, 1.1rem);
}
.learning-readiness-core__section {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: clamp(0.9rem, 2.4vw, 1.25rem);
  padding: clamp(1rem, 2.4vw, 1.4rem);
  border-left: 2px solid rgba(45, 212, 191, 0.32);
}
.learning-readiness-core__number {
  width: var(--qr-bubble-md);
  height: var(--qr-bubble-md);
  display: grid;
  place-items: center;
  border-radius: var(--rounded-full);
  background: rgba(45, 212, 191, 0.1);
  border: 1px solid rgba(45, 212, 191, 0.2);
  color: var(--color-ready-teal);
  font-family: var(--font-family-label);
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
}
.learning-readiness-core__section .learning-body,
.learning-readiness-example .learning-body {
  margin: 0;
}
.learning-readiness-core__section .learning-body + .learning-body,
.learning-readiness-example .learning-body + .learning-body {
  margin-top: 0.6rem;
}
.learning-readiness-core__section .learning-start-mini-list,
.learning-agility-comparison .learning-start-mini-list {
  margin-top: 0.8rem;
}
.learning-readiness-quality {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(0.85rem, 2vw, 1.1rem);
  padding: clamp(1rem, 2.4vw, 1.4rem);
  background:
    radial-gradient(circle at 100% 0%, rgba(251, 191, 36, 0.045), transparent 34%),
    rgba(23, 29, 30, 0.46);
}
.learning-readiness-quality__column {
  min-width: 0;
  padding: clamp(0.9rem, 2vw, 1.1rem);
  border-radius: var(--rounded-lg);
  background: rgba(23, 29, 30, 0.64);
  border: 1px solid rgba(109, 121, 125, 0.12);
}
.learning-readiness-quality__column--good {
  border-color: rgba(45, 212, 191, 0.2);
}
.learning-readiness-quality__column--weak {
  border-color: rgba(251, 191, 36, 0.2);
}
.learning-readiness-quality__column--weak > span {
  color: var(--color-legacy-amber);
}
.learning-readiness-quality__note {
  grid-column: 1 / -1;
  margin-top: 0;
  border-style: dashed;
  border-color: rgba(251, 191, 36, 0.2);
  background: rgba(251, 191, 36, 0.045);
  color: var(--color-on-surface-variant);
}
.learning-readiness-example {
  border-left-color: rgba(76, 215, 246, 0.48);
}
.learning-readiness-example__cards h4 {
  margin: 0 0 0.45rem;
  color: var(--color-on-surface);
  font-family: var(--font-family-h3);
  font-size: 16px;
  line-height: 1.35;
}
.learning-readiness-caution {
  border-style: dashed;
  border-color: rgba(251, 191, 36, 0.22);
  background: rgba(251, 191, 36, 0.045);
  color: var(--color-on-surface-variant);
}
.learning-readiness-questions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(0.75rem, 1.8vw, 1rem);
}
.learning-readiness-question {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 0.7rem;
  align-items: start;
  padding: 0.9rem 1rem;
}
.learning-readiness-question span {
  color: var(--color-ready-teal);
  font-size: 19px;
  line-height: 1.25;
}
.learning-readiness-question p {
  margin: 0;
  color: var(--color-on-surface);
  font-family: var(--font-family-body);
  font-size: 14px;
  line-height: 1.5;
}
@keyframes learningReadinessPulse {
  0%, 100% { opacity: 0.24; }
  50% { opacity: 0.82; }
}
@keyframes learningReadinessStepGlow {
  0%, 100% {
    border-color: rgba(109, 121, 125, 0.12);
    box-shadow: none;
  }
  42% {
    border-color: rgba(45, 212, 191, 0.24);
    box-shadow: 0 0 0 1px rgba(45, 212, 191, 0.055);
  }
}
@keyframes learningReadinessSourcePulse {
  0%, 100% {
    border-left-color: rgba(76, 215, 246, 0.18);
  }
  50% {
    border-left-color: rgba(45, 212, 191, 0.42);
  }
}
@keyframes learningAgilitySwitch {
  0%, 100% {
    left: 6px;
    opacity: 0.62;
  }
  50% {
    left: 48px;
    opacity: 0.92;
  }
}
@media (max-width: 1200px) {
  .learning-readiness-board {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .learning-discovery-pipeline__groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .learning-inventory-record__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 900px) {
  .learning-readiness-visual,
  .learning-readiness-short-answer,
  .learning-readiness-core__section,
  .learning-readiness-quality,
  .learning-readiness-panel,
  .learning-readiness-example {
    padding: clamp(1rem, 3vw, 1.45rem);
  }
  .learning-discovery-pipeline,
  .learning-bom-comparison,
  .learning-agility-comparison,
  .learning-readiness-quality,
  .learning-readiness-questions {
    grid-template-columns: 1fr;
  }
  .learning-readiness-board__step i {
    display: none;
  }
  .learning-bom-comparison__bridge,
  .learning-agility-comparison__switch {
    min-height: 42px;
  }
  .learning-bom-comparison__bridge::before,
  .learning-bom-comparison__bridge::after {
    width: 1px;
    height: 24px;
    background: linear-gradient(180deg, rgba(76, 215, 246, 0.12), rgba(76, 215, 246, 0.62));
  }
}
@media (max-width: 640px) {
  .learning-readiness-board,
  .learning-discovery-pipeline__groups,
  .learning-inventory-record__grid,
  .learning-inventory-relationship,
  .learning-readiness-core__section {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 480px) {
  .learning-readiness-visual,
  .learning-readiness-board__step,
  .learning-discovery-group,
  .learning-readiness-source-row,
  .learning-readiness-source-card,
  .learning-discovery-pipeline__collector,
  .learning-bom-comparison__card,
  .learning-agility-comparison__card,
  .learning-readiness-short-answer,
  .learning-readiness-short-answer__card,
  .learning-readiness-core__section,
  .learning-readiness-quality,
  .learning-readiness-quality__column,
  .learning-readiness-panel,
  .learning-readiness-panel__card,
  .learning-readiness-example,
  .learning-readiness-example__cards > div,
  .learning-readiness-question {
    padding: 0.9rem;
  }
  .learning-readiness-core__number {
    width: var(--qr-bubble-md);
    height: var(--qr-bubble-md);
  }
}
@media (prefers-reduced-motion: reduce) {
  .learning-readiness-board__step,
  .learning-readiness-board__step i,
  .learning-readiness-source-card,
  .learning-discovery-group,
  .learning-agility-comparison__switch span::after {
    animation: none;
  }
}

/* Sprint 9I — Role Paths decision-support boards */
.learning-role-visual {
  padding: clamp(1.35rem, 3.4vw, 2.35rem);
  border-radius: var(--rounded-xl);
  border: 1px solid rgba(76, 215, 246, 0.14);
  background:
    radial-gradient(circle at 100% 0%, rgba(45, 212, 191, 0.065), transparent 34%),
    radial-gradient(circle at 0% 100%, rgba(251, 191, 36, 0.035), transparent 38%),
    rgba(255, 255, 255, 0.026);
}
.learning-role-visual--management-map {
  border-color: rgba(76, 215, 246, 0.16);
}
.learning-role-visual--technical-workflow {
  border-color: rgba(45, 212, 191, 0.18);
}
.learning-role-visual--supplier-evidence {
  border-color: rgba(251, 191, 36, 0.18);
}
.learning-role-visual__header {
  max-width: 820px;
  margin-bottom: clamp(1.2rem, 3vw, 1.75rem);
}
.learning-role-visual__header h2 {
  margin: 0.85rem 0 0.65rem;
  color: var(--color-on-surface);
  font-family: var(--font-family-h2);
  font-size: clamp(25px, 3.6vw, 36px);
  line-height: 1.18;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.learning-role-visual__header .learning-body {
  margin: 0;
  color: var(--color-on-surface);
}
.learning-role-visual__badge {
  background: rgba(76, 215, 246, 0.08);
  border-color: rgba(76, 215, 246, 0.16);
  color: var(--color-primary);
}
.learning-role-flow,
.learning-role-card-grid,
.learning-role-step-grid,
.learning-role-question-grid {
  display: grid;
  gap: clamp(0.85rem, 2vw, 1.1rem);
}
.learning-role-flow {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.learning-role-visual--technical-workflow .learning-role-flow,
.learning-role-visual--supplier-evidence .learning-role-flow {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.learning-role-flow__step,
.learning-role-card,
.learning-role-short-answer,
.learning-role-panel,
.learning-role-steps,
.learning-role-questions,
.learning-role-question-group,
.learning-role-path,
.learning-role-example,
.learning-role-example__response {
  min-width: 0;
  border-radius: var(--rounded-lg);
  background: rgba(23, 29, 30, 0.62);
  border: 1px solid rgba(109, 121, 125, 0.12);
}
.learning-role-flow__step {
  position: relative;
  padding: clamp(0.95rem, 2vw, 1.15rem);
  border-top: 2px solid rgba(76, 215, 246, 0.22);
}
.learning-role-visual--technical-workflow .learning-role-flow__step {
  border-top-color: rgba(45, 212, 191, 0.22);
}
.learning-role-visual--supplier-evidence .learning-role-flow__step {
  border-top-color: rgba(251, 191, 36, 0.18);
}
.learning-role-flow__step i {
  position: absolute;
  top: 50%;
  right: -0.72rem;
  z-index: 1;
  width: 0.72rem;
  height: 1px;
  background: linear-gradient(90deg, rgba(76, 215, 246, 0.1), rgba(76, 215, 246, 0.62));
}
.learning-role-flow__step > span,
.learning-role-step > span,
.learning-role-path__list > li > span,
.learning-role-example__response > span {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 0.55rem;
  color: var(--color-primary);
  font-family: var(--font-family-label);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.25;
  text-transform: uppercase;
}
.learning-role-flow__step h3,
.learning-role-card h3,
.learning-role-question-group h3,
.learning-role-path__list h3 {
  margin: 0 0 0.7rem;
  color: var(--color-on-surface);
  font-family: var(--font-family-h3);
  font-size: clamp(17px, 1.75vw, 20px);
  line-height: 1.35;
  font-weight: 600;
}
.learning-role-flow__step p,
.learning-role-card p,
.learning-role-step p,
.learning-role-path__list p,
.learning-role-example__response p {
  margin: 0;
  color: var(--color-on-surface-variant);
  font-family: var(--font-family-body);
  font-size: 14px;
  line-height: 1.55;
}
.learning-role-takeaway,
.learning-role-short-answer__lead,
.learning-role-panel__lead,
.learning-role-caution {
  margin: clamp(1rem, 2.5vw, 1.35rem) 0 0;
  padding: 0.85rem 1rem;
  border-radius: var(--rounded-lg);
  border: 1px solid rgba(76, 215, 246, 0.17);
  background: rgba(76, 215, 246, 0.055);
  color: var(--color-on-surface);
  font-family: var(--font-family-body);
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.58;
}
.learning-role-short-answer,
.learning-role-panel,
.learning-role-steps,
.learning-role-questions,
.learning-role-path,
.learning-role-example {
  padding: clamp(1rem, 2.4vw, 1.4rem);
  border-left: 3px solid rgba(76, 215, 246, 0.55);
  background:
    radial-gradient(circle at 0% 0%, rgba(76, 215, 246, 0.065), transparent 34%),
    rgba(23, 29, 30, 0.56);
}
.learning-role-panel--why {
  border-left-color: rgba(45, 212, 191, 0.5);
}
.learning-role-panel--evidence {
  border-left-color: rgba(251, 191, 36, 0.5);
}
.learning-role-short-answer__lead,
.learning-role-panel__lead {
  margin-top: 0;
  font-size: clamp(17px, 1.5vw, 20px);
}
.learning-role-card-grid,
.learning-role-step-grid,
.learning-role-question-grid {
  margin-top: clamp(0.95rem, 2.2vw, 1.2rem);
}
.learning-role-card-grid {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
}
.learning-role-card-grid--support {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
}
.learning-role-card,
.learning-role-question-group {
  padding: clamp(0.9rem, 2vw, 1.1rem);
  border-top: 2px solid rgba(76, 215, 246, 0.2);
}
.learning-role-card:nth-child(2),
.learning-role-question-group:nth-child(2) {
  border-top-color: rgba(45, 212, 191, 0.2);
}
.learning-role-card:nth-child(3),
.learning-role-question-group:nth-child(3),
.learning-role-question-group--weak {
  border-top-color: rgba(251, 191, 36, 0.18);
}
.learning-role-card .learning-start-mini-list,
.learning-role-question-group .learning-start-mini-list {
  margin-top: 0.75rem;
}
.learning-role-panel__copy .learning-body {
  margin: 0;
}
.learning-role-panel__copy .learning-body + .learning-body {
  margin-top: 0.6rem;
}
.learning-role-step-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.learning-role-step {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 0.75rem;
  align-items: start;
  padding: 0.9rem 1rem;
  border-radius: var(--rounded-lg);
  background: rgba(23, 29, 30, 0.62);
  border: 1px solid rgba(109, 121, 125, 0.12);
}
.learning-role-step > span,
.learning-role-path__list > li > span {
  width: var(--qr-bubble-md);
  height: var(--qr-bubble-md);
  display: grid;
  place-items: center;
  margin-bottom: 0;
  border-radius: var(--rounded-full);
  background: rgba(76, 215, 246, 0.1);
  border: 1px solid rgba(76, 215, 246, 0.2);
  font-size: 12px;
  line-height: 1;
}
.learning-role-question-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.learning-role-question-group--weak {
  background:
    radial-gradient(circle at 100% 0%, rgba(251, 191, 36, 0.045), transparent 34%),
    rgba(23, 29, 30, 0.62);
}
.learning-role-question-group--weak h3 {
  color: var(--color-legacy-amber);
}
.learning-role-path__list {
  display: grid;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.learning-role-path__list > li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 0.75rem;
  align-items: start;
  padding: 0.9rem 1rem;
  border-radius: var(--rounded-lg);
  background: rgba(23, 29, 30, 0.62);
  border: 1px solid rgba(109, 121, 125, 0.12);
}
.learning-role-path__list h3 {
  margin-bottom: 0.3rem;
  font-size: clamp(16px, 1.5vw, 18px);
}
.learning-role-example {
  border-left-color: rgba(45, 212, 191, 0.5);
}
.learning-role-example__responses {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(0.85rem, 2vw, 1.1rem);
  margin-top: clamp(0.95rem, 2.2vw, 1.2rem);
}
.learning-role-example__response {
  padding: clamp(0.9rem, 2vw, 1.1rem);
}
.learning-role-example__response--weak {
  border-color: rgba(251, 191, 36, 0.22);
}
.learning-role-example__response--weak > span {
  color: var(--color-legacy-amber);
}
.learning-role-example__response--better {
  border-color: rgba(45, 212, 191, 0.22);
}
.learning-role-example .learning-body {
  margin: clamp(0.9rem, 2vw, 1.1rem) 0 0;
}
.learning-role-example .learning-body + .learning-body {
  margin-top: 0.55rem;
}
.learning-role-caution {
  border-style: dashed;
  border-color: rgba(251, 191, 36, 0.22);
  background: rgba(251, 191, 36, 0.045);
  color: var(--color-on-surface-variant);
}
@media (max-width: 1100px) {
  .learning-role-flow,
  .learning-role-visual--technical-workflow .learning-role-flow,
  .learning-role-visual--supplier-evidence .learning-role-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 900px) {
  .learning-role-visual,
  .learning-role-short-answer,
  .learning-role-panel,
  .learning-role-steps,
  .learning-role-questions,
  .learning-role-path,
  .learning-role-example {
    padding: clamp(1rem, 3vw, 1.45rem);
  }
  .learning-role-flow__step i {
    display: none;
  }
  .learning-role-question-grid,
  .learning-role-example__responses {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 640px) {
  .learning-role-flow,
  .learning-role-visual--technical-workflow .learning-role-flow,
  .learning-role-visual--supplier-evidence .learning-role-flow,
  .learning-role-step-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 480px) {
  .learning-role-visual,
  .learning-role-flow__step,
  .learning-role-short-answer,
  .learning-role-panel,
  .learning-role-card,
  .learning-role-steps,
  .learning-role-step,
  .learning-role-questions,
  .learning-role-question-group,
  .learning-role-path,
  .learning-role-path__list > li,
  .learning-role-example,
  .learning-role-example__response {
    padding: 0.9rem;
  }
}

/* ----------------------------------------------------------
   17c. Approved Pragmatic Reading Experience
   ---------------------------------------------------------- */
.learning-shell--approved-pragmatic {
  max-width: 980px;
}
.learning-pragmatic-hero {
  border-left-color: rgba(45, 212, 191, 0.36);
  background:
    radial-gradient(circle at 8% 18%, rgba(45, 212, 191, 0.08), transparent 38%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.035) 0%, rgba(23, 29, 30, 0.08) 72%);
}
.learning-pragmatic-question-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  max-width: 780px;
  margin: 0 0 clamp(1.15rem, 2.5vw, 1.55rem);
}
.learning-pragmatic-question-strip span,
.learning-pragmatic-short {
  display: inline-flex;
  width: fit-content;
  max-width: 100%;
  padding: 0.45rem 0.75rem;
  border-radius: var(--rounded-full);
  background: rgba(45, 212, 191, 0.07);
  border: 1px solid rgba(45, 212, 191, 0.16);
  color: var(--color-on-surface);
  font-family: var(--font-family-body);
  font-size: 14px;
  line-height: 1.35;
}
.learning-pragmatic-picture,
.learning-pragmatic-chain {
  padding: clamp(1.4rem, 3.4vw, 2.35rem);
  border-radius: var(--rounded-xl);
  border: 1px solid rgba(76, 215, 246, 0.14);
  background:
    radial-gradient(circle at 100% 0%, rgba(45, 212, 191, 0.06), transparent 34%),
    rgba(255, 255, 255, 0.026);
}
.learning-pragmatic-process {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(0.85rem, 2vw, 1.15rem);
}
.learning-pragmatic-process__step,
.learning-pragmatic-chain__step {
  position: relative;
  padding: clamp(1.05rem, 2.2vw, 1.4rem);
  border-radius: var(--rounded-lg);
  background: rgba(23, 29, 30, 0.62);
  border: 1px solid rgba(109, 121, 125, 0.12);
}
.learning-pragmatic-process__step:not(:last-child)::after,
.learning-pragmatic-chain__step:not(:last-child)::after {
  content: "→";
  position: absolute;
  top: 50%;
  right: -0.85rem;
  transform: translateY(-50%);
  color: var(--color-primary);
  font-size: 20px;
  line-height: 1;
}
.learning-pragmatic-process__number,
.learning-pragmatic-chain__number {
  width: var(--qr-bubble-md);
  height: var(--qr-bubble-md);
  display: grid;
  place-items: center;
  border-radius: var(--rounded-full);
  background: rgba(76, 215, 246, 0.1);
  border: 1px solid rgba(76, 215, 246, 0.18);
  color: var(--color-primary);
  font-family: var(--font-family-label);
  font-weight: 700;
  font-size: 12px;
  margin-bottom: 0.75rem;
}
.learning-pragmatic-process__step h3,
.learning-pragmatic-chain__step h3 {
  font-family: var(--font-family-h3);
  font-size: clamp(16px, 1.7vw, 18px);
  line-height: 1.35;
  font-weight: 600;
  color: var(--color-on-surface);
  margin: 0 0 0.75rem;
}
.learning-pragmatic-process__step .learning-body {
  margin: 0;
  font-size: 14px;
  line-height: 1.55;
}
.learning-pragmatic-short {
  margin: clamp(1rem, 2.5vw, 1.5rem) 0 0;
  font-family: var(--font-family-label);
  letter-spacing: 0.04em;
}
.learning-pragmatic-short,
.learning-flagship-short {
  border-color: rgba(76, 215, 246, 0.16);
  background: rgba(76, 215, 246, 0.06);
}
.learning-pragmatic-split {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: clamp(1rem, 3vw, 1.35rem);
}
.learning-pragmatic-list {
  display: grid;
  gap: 0.55rem;
  margin: 1rem 0 0;
  padding-left: 1.2rem;
}
.learning-pragmatic-list .learning-body {
  margin: 0;
}
.learning-pragmatic-chain__eyebrow {
  font-family: var(--font-family-label);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: clamp(1rem, 3vw, 1.5rem);
}
.learning-pragmatic-chain__track {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: clamp(0.85rem, 2vw, 1.15rem);
}
.learning-pragmatic-connection-model {
  display: grid;
  gap: 1px;
  overflow: hidden;
  border-radius: var(--rounded-xl);
  border: 1px solid rgba(76, 215, 246, 0.12);
  background: rgba(76, 215, 246, 0.12);
}
.learning-pragmatic-connection-step {
  position: relative;
  display: grid;
  grid-template-columns: minmax(180px, 0.34fr) 1fr;
  gap: clamp(1rem, 3vw, 1.5rem);
  align-items: start;
  padding: clamp(1rem, 2.4vw, 1.35rem);
  background: rgba(23, 29, 30, 0.78);
}
.learning-pragmatic-connection-step:not(:last-child)::after {
  content: "↓";
  position: absolute;
  left: clamp(1.45rem, 3vw, 1.75rem);
  bottom: -0.75rem;
  z-index: 1;
  width: var(--qr-bubble-sm);
  height: var(--qr-bubble-sm);
  display: grid;
  place-items: center;
  border-radius: var(--rounded-full);
  background: rgba(23, 29, 30, 0.95);
  border: 1px solid rgba(76, 215, 246, 0.18);
  color: var(--color-primary);
  font-size: 16px;
  line-height: 1;
}
.learning-pragmatic-connection-step__header {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 0.75rem;
  align-items: center;
}
.learning-pragmatic-connection-step__header .learning-pragmatic-chain__number {
  margin: 0;
}
.learning-pragmatic-connection-step__header h3 {
  margin: 0;
  color: var(--color-on-surface);
  font-family: var(--font-family-h3);
  font-size: clamp(17px, 1.8vw, 20px);
  line-height: 1.3;
  font-weight: 600;
}
.learning-pragmatic-connection-step__details {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.learning-pragmatic-connection-step__details span {
  display: inline-flex;
  max-width: 100%;
  padding: 0.35rem 0.6rem;
  border-radius: var(--rounded-full);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.07);
  color: var(--color-on-surface-variant);
  font-size: 13px;
  line-height: 1.35;
}
.learning-pragmatic-chain__step .learning-pragmatic-list {
  margin-top: 0;
  padding-left: 1rem;
}
.learning-pragmatic-chain__step .learning-body {
  font-size: 13px;
  line-height: 1.45;
}
.learning-pragmatic-remember-lines {
  margin: clamp(1.15rem, 2.5vw, 1.55rem) 0 0;
}
.learning-pragmatic-remember-lines .learning-body {
  margin: 0;
}
.learning-pragmatic-record {
  display: grid;
  gap: clamp(1.15rem, 3vw, 1.55rem);
  padding: clamp(1.2rem, 3vw, 1.8rem);
  border-radius: var(--rounded-xl);
  background: rgba(23, 29, 30, 0.44);
  border: 1px solid rgba(76, 215, 246, 0.13);
}
.learning-pragmatic-record__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border-radius: var(--rounded-lg);
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.06);
}
.learning-pragmatic-record__row {
  display: grid;
  gap: 0.35rem;
  padding: clamp(0.85rem, 2vw, 1.1rem);
  background: rgba(23, 29, 30, 0.78);
}
.learning-pragmatic-record__row span {
  font-family: var(--font-family-label);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--color-primary);
}
.learning-pragmatic-record__row p {
  margin: 0;
  color: var(--color-on-surface);
  font-family: var(--font-family-body);
  font-size: 15px;
  line-height: 1.5;
}
.learning-pragmatic-record__note {
  padding-left: clamp(1rem, 2vw, 1.25rem);
  border-left: 2px solid rgba(76, 215, 246, 0.22);
}
.learning-pragmatic-record__note .learning-body {
  margin: 0;
}
.learning-pragmatic-record__note .learning-body + .learning-body {
  margin-top: 0.6rem;
}
.learning-pragmatic-advanced {
  padding: clamp(1.2rem, 3vw, 1.75rem);
  border-radius: var(--rounded-xl);
  background: rgba(255, 255, 255, 0.022);
  border: 1px dashed rgba(255, 255, 255, 0.11);
}
.learning-pragmatic-advanced__intro {
  max-width: 720px;
  margin: 0 0 clamp(1rem, 3vw, 1.35rem);
  color: var(--color-on-surface);
  font-family: var(--font-family-body);
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.6;
}
.learning-pragmatic-format-rows {
  display: grid;
  gap: 1px;
  overflow: hidden;
  border-radius: var(--rounded-lg);
  border: 1px solid rgba(255, 255, 255, 0.07);
  background: rgba(255, 255, 255, 0.07);
}
.learning-pragmatic-format-row {
  display: grid;
  gap: 0.75rem;
  padding: clamp(1rem, 2.5vw, 1.25rem);
  background: rgba(23, 29, 30, 0.72);
}
.learning-pragmatic-format-row--muted {
  background: rgba(255, 255, 255, 0.025);
}
.learning-pragmatic-format-row h3 {
  margin: 0;
  color: var(--color-primary);
  font-family: var(--font-family-label);
  font-size: 12px;
  line-height: 1.35;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.learning-pragmatic-format-row .learning-body {
  margin: 0;
}
.learning-pragmatic-format-row .learning-chip-list {
  margin-top: 0;
}
.learning-pragmatic-format-comparison {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  margin-top: clamp(1rem, 3vw, 1.35rem);
  border-radius: var(--rounded-lg);
  border: 1px solid rgba(76, 215, 246, 0.11);
  background: rgba(76, 215, 246, 0.11);
}
.learning-pragmatic-format-comparison > div {
  display: grid;
  gap: 0.5rem;
  padding: clamp(0.9rem, 2.2vw, 1.15rem);
  background: rgba(23, 29, 30, 0.72);
}
.learning-pragmatic-format-comparison span {
  color: var(--color-on-surface);
  font-family: var(--font-family-h3);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.3;
}
.learning-pragmatic-format-comparison p,
.learning-pragmatic-format-comparison strong {
  margin: 0;
  color: var(--color-on-surface-variant);
  font-family: var(--font-family-body);
  font-size: 13px;
  line-height: 1.45;
}
.learning-pragmatic-format-comparison strong {
  color: var(--color-primary);
  font-weight: 600;
}
.learning-comparison-block--pragmatic .learning-comparison-item {
  padding-top: 0.85rem;
}
.learning-comparison-block--pragmatic .learning-comparison-item:first-of-type {
  border-top: 0;
}
.learning-pragmatic-weak-question {
  display: grid;
  gap: 0.35rem;
  margin-top: clamp(1rem, 3vw, 1.5rem);
  padding: clamp(0.9rem, 2vw, 1.15rem);
  border-radius: var(--rounded-lg);
  border: 1px solid rgba(251, 191, 36, 0.2);
  background: rgba(251, 191, 36, 0.045);
}
.learning-pragmatic-weak-question span {
  font-family: var(--font-family-label);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--color-legacy-amber);
}
.learning-pragmatic-weak-question strong {
  color: var(--color-on-surface);
  font-size: 16px;
  line-height: 1.45;
}
.learning-pragmatic-decision {
  padding: clamp(1.35rem, 3vw, 2.25rem);
  border-radius: var(--rounded-xl);
  background:
    linear-gradient(90deg, rgba(76, 215, 246, 0.06) 0%, rgba(23, 29, 30, 0.32) 76%);
  border: 1px solid rgba(76, 215, 246, 0.16);
  border-left: 3px solid var(--color-primary);
}
.learning-pragmatic-decision h3 {
  font-family: var(--font-family-h3);
  font-size: clamp(20px, 2.2vw, 24px);
  font-weight: 600;
  color: var(--color-on-surface);
  margin: 0 0 1rem;
}

/* ----------------------------------------------------------
   17d. Approved Flagship Reading Experience
   ---------------------------------------------------------- */
.learning-shell--approved-flagship {
  max-width: 1120px;
}
.learning-flagship-hero {
  position: relative;
  padding: clamp(2rem, 5vw, 4.25rem) clamp(1.1rem, 3.5vw, 2.25rem) clamp(1.5rem, 4vw, 2.8rem);
  margin: clamp(1rem, 3vw, 1.75rem) 0 clamp(48px, 7.5vw, 80px);
  border-left: 3px solid rgba(76, 215, 246, 0.4);
  border-radius: var(--rounded-xl);
  background:
    radial-gradient(circle at 8% 16%, rgba(76, 215, 246, 0.11), transparent 36%),
    radial-gradient(circle at 90% 18%, rgba(45, 212, 191, 0.06), transparent 34%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.04) 0%, rgba(23, 29, 30, 0.09) 74%);
}
.learning-flagship-hero .learning-title {
  max-width: 880px;
  margin-bottom: clamp(1.45rem, 3.5vw, 2.35rem);
  line-height: 1.06;
}
.learning-flagship-hero__big-idea {
  max-width: 820px;
  color: var(--color-on-surface);
  font-size: clamp(20px, 2.5vw, 27px);
  line-height: 1.52;
  margin-bottom: clamp(1rem, 2vw, 1.25rem);
}
.learning-flagship-hero__intro {
  max-width: 760px;
  display: grid;
  gap: 0.55rem;
  padding-left: clamp(1.1rem, 2.5vw, 1.45rem);
  border-left: 2px solid rgba(76, 215, 246, 0.28);
}
.learning-flagship-hero__intro .learning-body {
  margin: 0;
  font-size: clamp(16px, 1.4vw, 18px);
}
.learning-flagship-roadmap,
.learning-flagship-filter {
  padding: clamp(1.35rem, 3.2vw, 2.25rem);
  border-radius: var(--rounded-xl);
  border: 1px solid rgba(76, 215, 246, 0.15);
  background:
    radial-gradient(circle at 100% 0%, rgba(45, 212, 191, 0.07), transparent 34%),
    rgba(255, 255, 255, 0.026);
}
.learning-flagship-roadmap__track {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: clamp(0.85rem, 2vw, 1.15rem);
}
.learning-flagship-roadmap__step,
.learning-flagship-action-plan__step {
  position: relative;
  padding: clamp(1.05rem, 2.2vw, 1.4rem);
  border-radius: var(--rounded-lg);
  background: rgba(23, 29, 30, 0.62);
  border: 1px solid rgba(109, 121, 125, 0.12);
}
.learning-flagship-roadmap__step:not(:last-child)::after {
  content: "→";
  position: absolute;
  top: 50%;
  right: -0.85rem;
  transform: translateY(-50%);
  color: var(--color-primary);
  font-size: 20px;
  line-height: 1;
}
.learning-flagship-step-number {
  width: var(--qr-bubble-md);
  height: var(--qr-bubble-md);
  display: grid;
  place-items: center;
  border-radius: var(--rounded-full);
  background: rgba(76, 215, 246, 0.1);
  border: 1px solid rgba(76, 215, 246, 0.18);
  color: var(--color-primary);
  font-family: var(--font-family-label);
  font-weight: 700;
  font-size: 12px;
  margin-bottom: 0.75rem;
}
.learning-flagship-roadmap__step h3,
.learning-flagship-panel h3,
.learning-flagship-persona-card h3,
.learning-flagship-risk-card h3,
.learning-flagship-action-plan__step h3,
.learning-flagship-role-card h3,
.learning-flagship-decision h3 {
  font-family: var(--font-family-h3);
  font-size: clamp(17px, 1.8vw, 21px);
  line-height: 1.35;
  font-weight: 600;
  color: var(--color-on-surface);
  margin: 0 0 0.85rem;
}
.learning-flagship-roadmap__step .learning-body,
.learning-flagship-action-plan__step .learning-body {
  margin: 0;
  font-size: 14px;
  line-height: 1.55;
}
.learning-flagship-short {
  width: fit-content;
  max-width: 100%;
  margin: clamp(1rem, 2.5vw, 1.5rem) 0 0;
  padding: 0.45rem 0.75rem;
  border-radius: var(--rounded-full);
  background: rgba(76, 215, 246, 0.07);
  border: 1px solid rgba(76, 215, 246, 0.16);
  color: var(--color-on-surface);
  font-family: var(--font-family-label);
  font-size: 13px;
  letter-spacing: 0.04em;
  line-height: 1.35;
}
.learning-flagship-panel,
.learning-flagship-risk-card,
.learning-flagship-action-plan,
.learning-flagship-decision {
  padding: clamp(1.15rem, 2.8vw, 1.75rem);
  border-radius: var(--rounded-xl);
  background: rgba(23, 29, 30, 0.44);
  border: 1px solid rgba(109, 121, 125, 0.12);
}
.learning-flagship-panel .learning-body + .learning-body,
.learning-flagship-risk-card .learning-body + .learning-body,
.learning-flagship-decision .learning-body + .learning-body {
  margin-top: 0.65rem;
}
.learning-flagship-panel--primary {
  border-left: 3px solid var(--color-primary);
  background: linear-gradient(90deg, rgba(76, 215, 246, 0.055) 0%, rgba(23, 29, 30, 0.3) 76%);
}
.learning-flagship-panel--quiet {
  background: rgba(255, 255, 255, 0.024);
  border-color: rgba(76, 215, 246, 0.13);
}
.learning-flagship-panel--warning {
  border-left: 3px solid var(--color-legacy-amber);
  background: linear-gradient(90deg, rgba(251, 191, 36, 0.055) 0%, rgba(23, 29, 30, 0.26) 72%);
}
.learning-flagship-note {
  margin-top: clamp(1rem, 2.5vw, 1.35rem);
  padding-left: clamp(1rem, 2vw, 1.25rem);
  border-left: 2px solid rgba(76, 215, 246, 0.22);
}
.learning-flagship-note .learning-body {
  margin: 0;
}
.learning-flagship-note .learning-body + .learning-body {
  margin-top: 0.55rem;
}
.learning-flagship-personas,
.learning-flagship-role-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(0.9rem, 2vw, 1.25rem);
  margin-top: clamp(1.15rem, 3vw, 1.55rem);
}
.learning-flagship-persona-card,
.learning-flagship-role-card {
  display: grid;
  align-content: start;
  gap: 0.75rem;
  padding: clamp(1rem, 2.4vw, 1.35rem);
  border-radius: var(--rounded-lg);
  background: rgba(23, 29, 30, 0.64);
  border: 1px solid rgba(109, 121, 125, 0.12);
}
.learning-flagship-persona-card .learning-body,
.learning-flagship-role-card .learning-body {
  margin: 0;
}
.learning-flagship-narrative {
  display: grid;
  gap: clamp(1rem, 3vw, 1.35rem);
}
.learning-flagship-narrative .learning-flagship-panel {
  border-left: 2px solid rgba(76, 215, 246, 0.14);
  background: rgba(255, 255, 255, 0.02);
}
.learning-flagship-filter__header {
  max-width: 760px;
  margin-bottom: clamp(1.25rem, 3vw, 1.75rem);
}
.learning-flagship-filter__header h2 {
  font-family: var(--font-family-h2);
  font-size: clamp(26px, 3.8vw, 38px);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-on-surface);
  margin: 0.9rem 0 0.75rem;
}
.learning-flagship-filter__formula {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: clamp(0.65rem, 1.6vw, 0.9rem);
}
.learning-flagship-filter__factor,
.learning-flagship-filter__result {
  flex: 1 1 165px;
  min-width: 0;
  padding: clamp(1rem, 2.3vw, 1.25rem);
  border-radius: var(--rounded-lg);
  background: rgba(23, 29, 30, 0.66);
  border: 1px solid rgba(109, 121, 125, 0.12);
}
.learning-flagship-filter__result {
  border-color: rgba(76, 215, 246, 0.28);
  background: rgba(76, 215, 246, 0.08);
}
.learning-flagship-filter__factor span,
.learning-flagship-filter__result span {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--color-primary);
  font-family: var(--font-family-label);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}
.learning-flagship-filter__factor p,
.learning-flagship-filter__result p {
  margin: 0;
  color: var(--color-on-surface);
  font-size: 14px;
  line-height: 1.5;
}
.learning-flagship-filter__operator {
  display: grid;
  place-items: center;
  min-width: 22px;
  color: var(--color-on-surface-variant);
  font-size: 24px;
  line-height: 1;
}
.learning-flagship-risk-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1rem, 3vw, 1.35rem);
}
.learning-flagship-risk-card {
  border-top: 2px solid rgba(251, 191, 36, 0.64);
  background: rgba(23, 29, 30, 0.38);
}
.learning-flagship-list {
  display: grid;
  gap: 0.7rem;
  margin: 0;
  padding-left: 1.15rem;
}
.learning-flagship-list .learning-body {
  margin: 0;
}
.learning-flagship-list--checks,
.learning-flagship-list--warning {
  list-style: none;
  padding-left: 0;
}
.learning-flagship-list--checks li,
.learning-flagship-list--warning li {
  position: relative;
  padding-left: 1.75rem;
}
.learning-flagship-list--checks li::before,
.learning-flagship-list--warning li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.1rem;
  width: 17px;
  height: 17px;
  background-color: currentColor;
  -webkit-mask: var(--flagship-list-icon) center / contain no-repeat;
  mask: var(--flagship-list-icon) center / contain no-repeat;
}
.learning-flagship-list--checks li::before {
  color: var(--color-primary);
  --flagship-list-icon: url("/assets/icons/material-check-circle.svg");
}
.learning-flagship-list--warning li::before {
  color: var(--color-legacy-amber);
  --flagship-list-icon: url("/assets/icons/material-warning.svg");
}
.learning-flagship-matrix {
  overflow: hidden;
  border-radius: var(--rounded-xl);
  border: 1px solid rgba(76, 215, 246, 0.12);
  background: rgba(255, 255, 255, 0.065);
}
.learning-flagship-matrix__header,
.learning-flagship-matrix__row {
  display: grid;
  grid-template-columns: minmax(150px, 0.8fr) repeat(2, minmax(0, 1fr));
  gap: 1px;
}
.learning-flagship-matrix__header span {
  padding: clamp(0.85rem, 2vw, 1rem);
  background: rgba(76, 215, 246, 0.08);
  color: var(--color-on-surface);
  font-family: var(--font-family-label);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.learning-flagship-matrix__row > div {
  min-width: 0;
  padding: clamp(0.9rem, 2.2vw, 1.15rem);
  background: rgba(23, 29, 30, 0.78);
  color: var(--color-on-surface-variant);
  font-family: var(--font-family-body);
  font-size: 15px;
  line-height: 1.5;
}
.learning-flagship-matrix__row > div:first-child {
  color: var(--color-on-surface);
}
.learning-flagship-mobile-label {
  display: none;
}
.learning-comparison-block--flagship .learning-comparison-item {
  padding-top: 0.85rem;
}
.learning-comparison-block--flagship .learning-comparison-item:first-of-type {
  border-top: 0;
}
.learning-comparison-block--flagship .learning-comparison-panel--continuity .learning-comparison-panel__label {
  color: var(--color-ready-teal);
  border-color: rgba(45, 212, 191, 0.16);
  background: rgba(45, 212, 191, 0.055);
}
.learning-example--flagship h4 {
  font-family: var(--font-family-h3);
  font-size: clamp(18px, 2vw, 21px);
  font-weight: 600;
  color: var(--color-on-surface);
  margin: 0 0 1rem;
}
.learning-flagship-action-plan {
  display: grid;
  gap: clamp(1.15rem, 3vw, 1.55rem);
  border-color: rgba(76, 215, 246, 0.13);
}
.learning-flagship-action-plan > .learning-body {
  max-width: 720px;
  margin: 0;
  color: var(--color-on-surface);
}
.learning-flagship-action-plan__steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(0.9rem, 2vw, 1.25rem);
}
.learning-advisory-panel--flagship .learning-advisory-panel__intro h3,
.learning-advisory-panel--flagship .learning-advisory-panel__body h3 {
  margin-top: 0;
}
.learning-flagship-role-card .learning-link {
  margin-top: auto;
  color: var(--color-primary);
}
.learning-flagship-decision {
  border-left: 3px solid var(--color-primary);
  border-color: rgba(76, 215, 246, 0.16);
  background:
    radial-gradient(circle at 100% 0%, rgba(76, 215, 246, 0.08), transparent 34%),
    linear-gradient(90deg, rgba(76, 215, 246, 0.055) 0%, rgba(23, 29, 30, 0.32) 76%);
}
.learning-bottom-section {
  margin-bottom: clamp(48px, 7vw, 76px);
}
.learning-related-section .learning-heading {
  margin-bottom: clamp(1.1rem, 2.6vw, 1.6rem);
}
.learning-related-section .learning-card {
  background: rgba(23, 29, 30, 0.48);
}

/* ----------------------------------------------------------
   18. Next Learning Card
   ---------------------------------------------------------- */
.learning-next-card {
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border-radius: var(--rounded-xl);
  background: rgba(23, 29, 30, 0.7);
  border: 1px solid rgba(109, 121, 125, 0.12);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.learning-next-card {
  border-color: rgba(76, 215, 246, 0.13);
}
.learning-next-card--route {
  border-top: 3px solid var(--color-primary);
  background: linear-gradient(180deg, rgba(76,215,246,0.04) 0%, rgba(0,0,0,0) 100%);
}
.learning-next-card__eyebrow {
  display: block;
  font-family: var(--font-family-label);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
  margin-bottom: 12px;
}
.learning-next-card__progress {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 4px 12px;
  border-radius: var(--rounded-full);
  background: rgba(76, 215, 246, 0.1);
  border: 1px solid rgba(76, 215, 246, 0.2);
  color: var(--color-primary);
  font-family: var(--font-family-label);
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 16px;
}
.learning-next-card__subtitle {
  font-size: 14px;
  color: var(--color-on-surface-variant);
  margin-bottom: 8px;
}
.learning-next-card__title {
  font-family: var(--font-family-h3);
  font-size: clamp(20px, 2.5vw, 26px);
  font-weight: 600;
  color: var(--color-on-surface);
  margin-bottom: 8px;
  line-height: 1.3;
}
.learning-next-card__description {
  font-family: var(--font-family-body);
  font-size: clamp(14px, 1.2vw, 16px);
  color: var(--color-on-surface-variant);
  line-height: 1.6;
  margin-bottom: 20px;
  max-width: 600px;
}
.learning-next-card__cta {
  margin-bottom: 20px;
}
.learning-secondary-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: clamp(12px, 2vw, 24px);
}
.learning-secondary-nav a,
.learning-secondary-nav button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: clamp(13px, 1.1vw, 15px);
  color: var(--color-on-surface-variant);
  text-decoration: none;
  transition: color 0.2s;
  font-weight: 500;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-family-body);
}
.learning-secondary-nav a:hover,
.learning-secondary-nav button:hover {
  color: var(--color-primary);
}
.learning-secondary-nav button[data-cancel-route]:hover {
  color: var(--color-error);
}

/* Resume route button (outside-route mode, bottom card) */
.learning-btn--resume {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  border-radius: var(--rounded-full);
  background: rgba(109,121,125,0.08);
  border: 1px solid rgba(109,121,125,0.15);
  color: var(--color-on-surface-variant);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
  margin-bottom: 12px;
}
.learning-btn--resume:hover {
  background: rgba(76,215,246,0.08);
  border-color: rgba(76,215,246,0.2);
  color: var(--color-primary);
}

/* ----------------------------------------------------------
   19. Active Route Badge
   ---------------------------------------------------------- */
.learning-route-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 16px;
  border-radius: var(--rounded-full);
  background: rgba(76, 215, 246, 0.06);
  border: 1px solid rgba(76, 215, 246, 0.15);
  font-size: 13px;
  font-family: var(--font-family-body);
  color: var(--color-on-surface-variant);
  margin-top: 10px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.learning-route-badge__icon {
  font-size: 16px;
  color: var(--color-primary);
}
.learning-route-badge__name {
  font-weight: 600;
  color: var(--color-on-surface);
}
.learning-route-badge__cancel {
  background: none;
  border: none;
  color: var(--color-outline);
  font-size: 12px;
  cursor: pointer;
  text-decoration: underline;
  font-family: var(--font-family-body);
  transition: color 0.2s;
  padding: 0;
}
.learning-route-badge__cancel:hover {
  color: var(--color-error);
}
.learning-route-badge__resume {
  font-size: 12px;
  color: var(--color-primary);
  text-decoration: underline;
  font-family: var(--font-family-body);
  transition: color 0.2s;
}
.learning-route-badge__resume:hover {
  color: var(--color-on-surface);
}

/* ----------------------------------------------------------
   20. Responsive
   ---------------------------------------------------------- */
@media (max-width: 900px) {
  .learning-shell {
    padding-left: clamp(1rem, 4vw, 1.5rem);
    padding-right: clamp(1rem, 4vw, 1.5rem);
  }
  .learning-shell--approved-article,
  .learning-shell--approved-pragmatic {
    max-width: 720px;
  }
  .learning-section {
    margin-bottom: clamp(48px, 8vw, 72px);
  }
  .learning-article-hero {
    padding: clamp(1.5rem, 4vw, 2.25rem) clamp(1rem, 3vw, 1.35rem);
    margin-bottom: clamp(44px, 7vw, 64px);
  }
  .learning-article-hero .learning-title {
    max-width: 100%;
  }
  .learning-scan--article,
  .learning-article-panel,
  .learning-advisory-panel,
  .learning-example,
  .learning-pragmatic-picture,
  .learning-pragmatic-chain,
  .learning-pragmatic-record,
  .learning-pragmatic-advanced,
  .learning-pragmatic-decision,
  .learning-start-visual,
  .learning-quantum-visual,
  .learning-quantum-short-answer,
  .learning-quantum-core__section,
  .learning-quantum-why,
  .learning-quantum-example,
  .learning-quantum-metaphor,
  .learning-start-bridge,
  .learning-start-why,
  .learning-flagship-hero,
  .learning-flagship-roadmap,
  .learning-flagship-filter,
  .learning-flagship-panel,
  .learning-flagship-risk-card,
  .learning-flagship-action-plan,
  .learning-flagship-decision {
    padding: clamp(1rem, 3vw, 1.45rem);
  }
  .learning-scan--article .learning-scan__grid > div,
  .learning-concept-note,
  .learning-advisory-panel,
  .learning-pragmatic-split,
  .learning-pragmatic-process,
  .learning-pragmatic-connection-step,
  .learning-pragmatic-chain__track,
  .learning-pragmatic-record__grid,
  .learning-start-lanes,
  .learning-start-risk-map,
  .learning-start-impact-grid,
  .learning-quantum-comparison,
  .learning-quantum-terms,
  .learning-quantum-question-pair,
  .learning-mosca-journey,
  .learning-start-short-answer__cards,
  .learning-start-bridge__cards,
  .learning-start-why__cards,
  .learning-start-why__card,
  .learning-start-core__section,
  .learning-quantum-core__section,
  .learning-start-panel-card,
  .learning-flagship-roadmap__track,
  .learning-flagship-personas,
  .learning-flagship-role-grid,
  .learning-flagship-risk-grid,
  .learning-flagship-action-plan__steps {
    grid-template-columns: 1fr;
  }
  .learning-comparison-block {
    grid-template-columns: 1fr;
  }
  .learning-article-flow__track {
    grid-template-columns: 1fr;
  }
  .learning-article-flow__track::before {
    display: none;
  }
  .learning-article-flow__step:not(:last-child)::after,
  .learning-pragmatic-process__step:not(:last-child)::after,
  .learning-pragmatic-chain__step:not(:last-child)::after,
  .learning-flagship-roadmap__step:not(:last-child)::after {
    content: "↓";
    top: auto;
    right: auto;
    left: 1.45rem;
    bottom: -1.05rem;
    transform: none;
  }
  .learning-shell--approved-article .learning-grid--2,
  .learning-shell--approved-pragmatic .learning-grid--2 {
    grid-template-columns: 1fr;
  }
  .learning-table-wrap {
    overflow-x: auto;
  }
  .learning-table--article-systems,
  .learning-table--pragmatic-advanced {
    min-width: 0;
    display: block;
  }
  .learning-table--article-systems thead {
    display: none;
  }
  .learning-table--article-systems tbody,
  .learning-table--article-systems tr,
  .learning-table--article-systems td {
    display: block;
    width: 100%;
  }
  .learning-table--article-systems tr {
    padding: clamp(0.9rem, 3vw, 1.15rem);
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  }
  .learning-table--article-systems tr:last-child {
    border-bottom: 0;
  }
  .learning-table--article-systems td {
    padding: 0;
    border-bottom: 0;
  }
  .learning-table--article-systems td + td {
    margin-top: 0.45rem;
  }
  .learning-table--article-systems td:first-child {
    width: 100%;
    margin-bottom: 0.35rem;
  }
  .learning-table--article-systems td:first-child strong {
    color: var(--color-primary);
  }
  .learning-pragmatic-format-comparison {
    grid-template-columns: 1fr;
  }
  .learning-mosca-timeline__row {
    grid-template-columns: 1fr;
    gap: 0.45rem;
  }
  .learning-flagship-filter__formula {
    display: grid;
    grid-template-columns: 1fr;
  }
  .learning-flagship-filter__operator {
    min-height: 20px;
    font-size: 20px;
  }
  .learning-flagship-matrix__header {
    display: none;
  }
  .learning-flagship-matrix__row {
    grid-template-columns: 1fr;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  }
  .learning-flagship-matrix__row:last-child {
    border-bottom: 0;
  }
  .learning-flagship-matrix__row > div {
    display: grid;
    gap: 0.35rem;
  }
  .learning-flagship-mobile-label {
    display: block;
    color: var(--color-primary);
    font-family: var(--font-family-label);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.09em;
    text-transform: uppercase;
  }
}

@media (hover: none), (pointer: coarse) {
  .learning-atlas-node,
  .learning-card--hoverable {
    transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
  }
  .learning-atlas-node:hover,
  .learning-atlas-node--top:hover,
  .learning-atlas-node--bottom:hover,
  .learning-card--hoverable:hover {
    transform: none;
  }
  .learning-atlas-node:hover {
    box-shadow: none;
  }
}

@media (max-width: 768px) {
  .section--learning {
    padding-top: clamp(1.25rem, 4vw, 2rem);
  }
  .learning-title {
    font-size: clamp(34px, 8vw, 44px);
  }
  .learning-heading {
    align-items: flex-start;
    gap: 10px;
    margin-bottom: clamp(1rem, 4vw, 1.45rem);
  }
  .learning-heading__icon {
    font-size: 24px;
    margin-top: 0.15rem;
  }
  .learning-heading__title {
    font-size: clamp(23px, 5.5vw, 30px);
  }
  .learning-article-hero__big-idea {
    font-size: clamp(18px, 4.5vw, 22px);
  }
  .learning-article-hero__intro {
    max-width: 100%;
  }
  .learning-scan--article .learning-scan__grid > div {
    gap: 0.45rem;
  }
  .learning-scan--article .learning-scan__item-label {
    line-height: 1.45;
  }
  .learning-scan--article .learning-scan__item-text {
    max-width: 100%;
  }
  .learning-comparison-panel,
  .learning-pragmatic-process__step,
  .learning-pragmatic-chain__step,
  .learning-pragmatic-connection-step,
  .learning-pragmatic-format-row,
  .learning-pragmatic-format-comparison > div,
  .learning-start-lane,
  .learning-start-risk-card,
  .learning-start-impact-card,
  .learning-quantum-comparison__panel,
  .learning-quantum-term-card,
  .learning-quantum-core__section,
  .learning-mosca-journey__step,
  .learning-start-core__section,
  .learning-start-bridge,
  .learning-start-why,
  .learning-start-bridge__card,
  .learning-start-why__card {
    padding: clamp(1rem, 4vw, 1.25rem);
  }
  .learning-comparison-block {
    gap: clamp(0.9rem, 3vw, 1.1rem);
  }
  .learning-pragmatic-question-strip span,
  .learning-chip-list span,
  .learning-pragmatic-connection-step__details span {
    max-width: 100%;
  }
  .learning-mosca-formula {
    display: grid;
    grid-template-columns: 1fr;
  }
  .learning-mosca-formula__operator {
    min-height: 20px;
    font-size: 20px;
  }
  .learning-next-card {
    max-width: 100%;
    padding: clamp(1.1rem, 4vw, 1.6rem);
  }
  .learning-card--reference,
  .learning-card--hoverable {
    min-width: 0;
  }
}

@media (max-width: 640px) {
  .learning-title { font-size: 32px; }
  .learning-heading__title { font-size: 22px; }

  /* Atlas: vertical stack on mobile */
  .learning-atlas-map {
    min-height: auto;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
  }
  .learning-atlas-map__lines {
    display: none;
  }
  .learning-atlas-node,
  .learning-atlas-center {
    position: static;
    transform: none;
    width: 100%;
  }
  .learning-atlas-node:hover,
  .learning-atlas-node--top:hover,
  .learning-atlas-node--bottom:hover {
    transform: none;
  }

  /* Scan: 1-column */
  .learning-scan__grid {
    grid-template-columns: 1fr;
  }
  .learning-article-hero {
    padding-top: 1rem;
  }
  .learning-article-hero {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  .learning-article-hero__intro {
    padding-left: 1rem;
  }
  .learning-scan--article .learning-scan__grid > div,
  .learning-concept-note,
  .learning-comparison-item,
  .learning-advisory-panel,
  .learning-pragmatic-split,
  .learning-pragmatic-process,
  .learning-pragmatic-chain__track,
  .learning-pragmatic-record__grid,
  .learning-example__step,
  .learning-start-lanes,
  .learning-start-risk-map,
  .learning-start-impact-grid,
  .learning-quantum-comparison,
  .learning-quantum-terms,
  .learning-quantum-question-pair,
  .learning-mosca-journey,
  .learning-start-short-answer__cards,
  .learning-start-bridge__cards,
  .learning-start-why__cards,
  .learning-start-why__card,
  .learning-start-core__section,
  .learning-quantum-core__section,
  .learning-start-panel-card,
  .learning-flagship-roadmap__track,
  .learning-flagship-personas,
  .learning-flagship-risk-grid,
  .learning-flagship-action-plan__steps,
  .learning-flagship-role-grid {
    grid-template-columns: 1fr;
  }
  .learning-article-flow__track {
    grid-template-columns: 1fr;
  }
  .learning-article-flow__track::before {
    display: none;
  }
  .learning-article-flow__step:not(:last-child)::after {
    content: "↓";
    top: auto;
    right: auto;
    left: 1.5rem;
    bottom: -1.05rem;
    transform: none;
  }
  .learning-pragmatic-process__step:not(:last-child)::after,
  .learning-pragmatic-chain__step:not(:last-child)::after,
  .learning-flagship-roadmap__step:not(:last-child)::after {
    content: "↓";
    top: auto;
    right: auto;
    left: 1.5rem;
    bottom: -1.05rem;
    transform: none;
  }
  .learning-comparison-block {
    grid-template-columns: 1fr;
  }
  .learning-example__step::before {
    display: none;
  }
  .learning-table--article-systems {
    min-width: 0;
  }
  .learning-table--pragmatic-advanced {
    min-width: 0;
  }

  /* Next card: full-width CTA */
  .learning-next-card__cta {
    width: 100%;
  }

  /* Concept Index description: hide on mobile */
  .learning-concept-index__desc {
    display: none;
  }
}

@media (max-width: 480px) {
  .learning-shell {
    padding-left: 0.95rem;
    padding-right: 0.95rem;
  }
  .learning-section {
    margin-bottom: clamp(42px, 12vw, 58px);
  }
  .learning-title {
    font-size: clamp(30px, 8.5vw, 34px);
    line-height: 1.08;
  }
  .learning-subtitle,
  .learning-body {
    font-size: 15px;
    line-height: 1.62;
  }
  .learning-article-hero {
    padding: 1rem;
    border-left-width: 2px;
  }
  .learning-article-hero__intro {
    padding-left: 0.85rem;
  }
  .learning-scan--article,
  .learning-article-panel,
  .learning-advisory-panel,
  .learning-example,
  .learning-pragmatic-picture,
  .learning-pragmatic-chain,
  .learning-pragmatic-record,
  .learning-pragmatic-advanced,
  .learning-pragmatic-decision,
  .learning-start-visual,
  .learning-quantum-visual,
  .learning-quantum-short-answer,
  .learning-quantum-core__section,
  .learning-quantum-why,
  .learning-quantum-example,
  .learning-quantum-metaphor,
  .learning-start-bridge,
  .learning-start-why,
  .learning-flagship-hero,
  .learning-flagship-roadmap,
  .learning-flagship-filter,
  .learning-flagship-panel,
  .learning-flagship-risk-card,
  .learning-flagship-action-plan,
  .learning-flagship-decision {
    padding: 1rem;
    border-radius: var(--rounded-lg);
  }
  .learning-scan--article .learning-scan__grid > div {
    padding: 0.9rem 0;
  }
  .learning-article-flow__step,
  .learning-pragmatic-process__step,
  .learning-pragmatic-chain__step,
  .learning-start-lane,
  .learning-start-risk-card,
  .learning-start-impact-card,
  .learning-quantum-comparison__panel,
  .learning-quantum-term-card,
  .learning-quantum-core__section,
  .learning-mosca-journey__step,
  .learning-start-core__section,
  .learning-start-short-answer__card,
  .learning-start-panel-card,
  .learning-start-example__card,
  .learning-start-bridge__card,
  .learning-start-why__card,
  .learning-flagship-roadmap__step,
  .learning-flagship-action-plan__step,
  .learning-flagship-persona-card,
  .learning-flagship-role-card {
    padding: 1rem;
  }
  .learning-article-flow__step:not(:last-child)::after,
  .learning-pragmatic-process__step:not(:last-child)::after,
  .learning-pragmatic-chain__step:not(:last-child)::after,
  .learning-flagship-roadmap__step:not(:last-child)::after {
    left: 1.35rem;
  }
  .learning-comparison-panel {
    padding: 1rem;
  }
  .learning-comparison-item {
    padding-top: 0.85rem;
  }
  .learning-pragmatic-record__row {
    padding: 0.85rem;
  }
  .learning-pragmatic-connection-step {
    gap: 0.85rem;
  }
  .learning-pragmatic-connection-step__header {
    grid-template-columns: 30px 1fr;
  }
  .learning-pragmatic-connection-step__details {
    gap: 0.45rem;
  }
  .learning-pragmatic-connection-step__details span {
    font-size: 12px;
    padding: 0.32rem 0.55rem;
  }
  .learning-pragmatic-format-comparison > div,
  .learning-pragmatic-format-row,
  .learning-start-lane,
  .learning-start-risk-card,
  .learning-start-impact-card,
  .learning-quantum-comparison__panel,
  .learning-quantum-term-card,
  .learning-quantum-core__section,
  .learning-mosca-journey__step,
  .learning-start-core__section,
  .learning-start-bridge__card,
  .learning-start-why__card {
    padding: 0.9rem;
  }
  .learning-start-core__number {
    width: var(--qr-bubble-md);
    height: var(--qr-bubble-md);
  }
  .learning-question-list li {
    padding-left: 1.9rem;
  }
  .learning-secondary-nav {
    align-items: stretch;
    flex-direction: column;
  }
  .learning-secondary-nav a,
  .learning-secondary-nav button {
    justify-content: center;
    text-align: center;
  }
  .learning-btn {
    width: 100%;
    padding-left: 1rem;
    padding-right: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .learning-atlas-node,
  .learning-card--hoverable {
    transition: none;
  }
  .learning-atlas-node:hover {
    transform: none;
  }
  /* Centered nodes must keep their placement transform */
  .learning-atlas-node--top:hover {
    transform: translateX(-50%);
  }
  .learning-atlas-node--bottom:hover {
    transform: translateX(-50%);
  }
}