/* ============================================================
   BLOB-INFO.COM — CSS PRINCIPAL
   Palette :
     Jaune blob  : #f59e0b
     Bleu nuit   : #0f172a
     Indigo      : #4f46e5
     Fond léger  : #f8fafc
     Texte       : #1e293b
     Texte doux  : #64748b
     Bordure     : #e2e8f0
============================================================ */

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  color: #1e293b;
  background: #fff;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: #4f46e5; text-decoration: none; }
a:hover { text-decoration: underline; }
ul, ol { padding-left: 1.25rem; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ---- Typographie ---- */
h1, h2, h3, h4 {
  font-family: 'Sora', sans-serif;
  color: #0f172a;
  line-height: 1.25;
}
h1 { font-size: clamp(1.75rem, 4vw, 2.5rem); margin-bottom: 1rem; }
h2 { font-size: clamp(1.35rem, 3vw, 1.875rem); margin: 2rem 0 1rem; }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.35rem); margin: 1.5rem 0 0.75rem; }
p  { margin-bottom: 1rem; }

/* ---- HEADER ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid #e2e8f0;
  box-shadow: 0 1px 3px rgba(0,0,0,.05);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  height: 64px;
}

/* Logo */
.site-logo, .footer-logo {
  font-family: 'Sora', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  text-decoration: none;
  flex-shrink: 0;
}
.logo-blob  { color: #f59e0b; }
.logo-dash  { color: #94a3b8; }
.logo-info  { color: #0f172a; }
.logo-tld   { color: #94a3b8; font-size: .85em; }

/* Navigation principale */
.site-nav { flex: 1; }
.nav-list {
  display: flex;
  gap: .25rem;
  list-style: none;
  padding: 0;
  margin: 0;
}
.nav-btn {
  display: flex;
  align-items: center;
  gap: .35rem;
  background: none;
  border: none;
  cursor: pointer;
  font: 500 .9rem/1 'Inter', sans-serif;
  color: #1e293b;
  padding: .5rem .75rem;
  border-radius: 8px;
  transition: background .15s, color .15s;
  white-space: nowrap;
}
.nav-btn:hover { background: #f1f5f9; color: #0f172a; }
.nav-chevron { transition: transform .2s; }
.nav-item.open .nav-chevron { transform: rotate(180deg); }

/* Dropdown */
.nav-item { position: relative; }
.nav-dropdown {
  position: absolute;
  top: calc(100% + .5rem);
  left: 50%;
  transform: translateX(-50%);
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  box-shadow: 0 8px 30px rgba(0,0,0,.12);
  padding: 1rem;
  min-width: 560px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .18s, transform .18s;
  transform: translateX(-50%) translateY(6px);
}
.nav-dropdown--small { min-width: 280px; }
.nav-item.open .nav-dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.dropdown-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .25rem;
}
.nav-dropdown--small .dropdown-grid { grid-template-columns: 1fr; }
.dropdown-link {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .6rem .75rem;
  border-radius: 8px;
  text-decoration: none;
  color: #1e293b;
  transition: background .15s;
}
.dropdown-link:hover { background: #f8fafc; text-decoration: none; }
.dropdown-icon { font-size: 1.25rem; flex-shrink: 0; }
.dropdown-text { display: flex; flex-direction: column; gap: .1rem; }
.dropdown-text strong { font-size: .9rem; color: #0f172a; }
.dropdown-text small  { font-size: .78rem; color: #64748b; }

/* Sélecteur langue */
.lang-switcher { position: relative; }
.lang-btn {
  display: flex;
  align-items: center;
  gap: .4rem;
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: .4rem .75rem;
  font: 600 .82rem/1 'Inter', sans-serif;
  color: #0f172a;
  cursor: pointer;
  transition: background .15s;
  white-space: nowrap;
}
.lang-btn:hover { background: #e2e8f0; }
.lang-dropdown {
  position: absolute;
  top: calc(100% + .35rem);
  right: 0;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  box-shadow: 0 6px 20px rgba(0,0,0,.1);
  padding: .5rem;
  min-width: 120px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .15s;
}
.lang-switcher.open .lang-dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}
.lang-option {
  display: block;
  padding: .45rem .75rem;
  border-radius: 6px;
  font-size: .88rem;
  color: #1e293b;
  text-decoration: none;
  transition: background .12s;
}
.lang-option:hover { background: #f1f5f9; }
.lang-option--active { font-weight: 600; color: #4f46e5; }

/* Burger */
.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: .5rem;
  margin-left: auto;
  border-radius: 8px;
}
.burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: #0f172a;
  border-radius: 2px;
  transition: transform .2s, opacity .2s;
}
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.4);
  z-index: 99;
}

/* ---- HERO (page d'accueil) ---- */
.page-hero {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 60%, #1a1a3e 100%);
  color: #fff;
  padding: 4rem 0 3.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 60% 50%, rgba(245,158,11,.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero-tag {
  display: inline-block;
  background: rgba(245,158,11,.15);
  border: 1px solid rgba(245,158,11,.3);
  color: #f59e0b;
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .3rem .9rem;
  border-radius: 50px;
  margin-bottom: 1.25rem;
}
.page-hero h1 {
  color: #fff;
  font-size: clamp(2rem, 5vw, 3rem);
  max-width: 700px;
  margin: 0 auto 1rem;
}
.page-hero .hero-intro {
  font-size: 1.1rem;
  color: #cbd5e1;
  max-width: 620px;
  margin: 0 auto 2rem;
  line-height: 1.8;
}
.hero-cta-group {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---- Chiffres clés ---- */
.hero-stats {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 2.5rem;
  flex-wrap: wrap;
}
.hero-stat {
  text-align: center;
}
.hero-stat strong {
  display: block;
  font-family: 'Sora', sans-serif;
  font-size: 1.75rem;
  font-weight: 700;
  color: #f59e0b;
}
.hero-stat span {
  font-size: .82rem;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: .05em;
}

/* ---- Image intro home ---- */
.home-visual {
  padding: 2.5rem 1.25rem 0;
}
.home-visual figure img {
  width: 100%;
  border-radius: 12px;
  box-shadow: 0 4px 24px rgba(0,0,0,.10);
  display: block;
}
.home-visual figure figcaption {
  margin-top: .55rem;
  font-size: .8rem;
  color: #64748b;
  font-style: italic;
  text-align: center;
}

/* ---- Boutons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .7rem 1.5rem;
  border-radius: 10px;
  font: 600 .95rem/1 'Inter', sans-serif;
  text-decoration: none;
  transition: transform .15s, box-shadow .15s, background .15s;
  cursor: pointer;
  border: none;
}
.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn-primary {
  background: #f59e0b;
  color: #0f172a;
  box-shadow: 0 4px 14px rgba(245,158,11,.35);
}
.btn-primary:hover { background: #d97706; box-shadow: 0 6px 18px rgba(245,158,11,.45); }
.btn-outline {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,.35);
}
.btn-outline:hover { background: rgba(255,255,255,.1); }
.btn-indigo {
  background: #4f46e5;
  color: #fff;
  box-shadow: 0 4px 14px rgba(79,70,229,.3);
}
.btn-indigo:hover { background: #4338ca; }
.btn-sm { padding: .5rem 1rem; font-size: .85rem; }

/* ---- Navigation fil d'Ariane ---- */
.breadcrumb {
  padding: .75rem 0;
  font-size: .83rem;
  color: #94a3b8;
}
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: .3rem; padding: 0; margin: 0; }
.breadcrumb li + li::before { content: '/'; margin-right: .3rem; color: #475569; }
.breadcrumb a { color: #94a3b8; text-decoration: none; }
.breadcrumb a:hover { color: #f59e0b; }
.breadcrumb [aria-current] { color: #e2e8f0; font-weight: 500; }

/* ---- En-tête de page interne ---- */
.page-header {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #fff;
  padding: 2.5rem 0 2rem;
}
.page-header h1 { color: #fff; margin-bottom: .5rem; }
.page-header .page-intro { color: #cbd5e1; font-size: 1.05rem; max-width: 680px; margin: 0; }

/* ---- Layout article ---- */
.page-body {
  padding: 2.5rem 0 4rem;
}
.page-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 3rem;
  align-items: start;
}
.page-content { overflow: hidden; }
.page-content h2 { border-bottom: 2px solid #f1f5f9; padding-bottom: .5rem; }
.page-content p, .page-content li { font-size: 1rem; line-height: 1.8; }

/* Sidebar */
.page-sidebar { position: sticky; top: 80px; }
.sidebar-card {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}
.sidebar-card h3 { font-size: 1rem; margin: 0 0 .75rem; color: #0f172a; }
.sidebar-card ul { list-style: none; padding: 0; margin: 0; }
.sidebar-card li { padding: .3rem 0; border-bottom: 1px solid #e2e8f0; font-size: .88rem; }
.sidebar-card li:last-child { border: none; }
.sidebar-card a { color: #4f46e5; }

/* ---- Encadrés ---- */
.callout {
  border-radius: 12px;
  padding: 1.25rem 1.25rem 1.25rem 1.5rem;
  margin: 1.5rem 0;
  border-left: 4px solid;
}
.callout-info    { background: #eff6ff; border-color: #3b82f6; }
.callout-blob    { background: #fffbeb; border-color: #f59e0b; }
.callout-science { background: #f0fdf4; border-color: #22c55e; }
.callout p:last-child { margin: 0; }
.callout-title {
  font-weight: 700;
  font-size: .88rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: .5rem;
  color: inherit;
}

/* ---- Images d'article ---- */
.page-content figure {
  margin: 2rem 0;
}
.page-content figure img {
  width: 100%;
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0,0,0,.10);
}
figcaption {
  margin-top: .6rem;
  font-size: .83rem;
  color: #64748b;
  text-align: center;
  font-style: italic;
  line-height: 1.5;
}

/* ---- Tableaux ---- */
.table-wrap { overflow-x: auto; margin: 1.5rem 0; border-radius: 12px; border: 1px solid #e2e8f0; -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; font-size: .92rem; min-width: 480px; }
th { background: #0f172a; color: #fff; font-weight: 600; text-align: left; padding: .75rem 1rem; white-space: nowrap; }
td { padding: .65rem 1rem; border-bottom: 1px solid #f1f5f9; color: #1e293b; }
tr:last-child td { border: none; }
tr:nth-child(even) td { background: #f8fafc; }

/* ---- Grille de navigation (accueil) ---- */
.nav-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin: 2.5rem 0;
}
.nav-card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 1.5rem;
  text-decoration: none;
  color: inherit;
  transition: border-color .2s, box-shadow .2s, transform .2s;
  display: block;
}
.nav-card:hover {
  border-color: #4f46e5;
  box-shadow: 0 8px 24px rgba(79,70,229,.1);
  transform: translateY(-2px);
  text-decoration: none;
}
.nav-card-icon { font-size: 2rem; margin-bottom: .75rem; }
.nav-card h3 { font-size: 1.05rem; margin: 0 0 .4rem; color: #0f172a; }
.nav-card p  { font-size: .88rem; color: #64748b; margin: 0; }
.nav-card-tag {
  display: inline-block;
  font-size: .73rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .07em;
  padding: .2rem .6rem;
  border-radius: 50px;
  margin-bottom: .6rem;
}
.tag-comprendre  { background: #eff6ff; color: #3b82f6; }
.tag-pratiquer   { background: #f0fdf4; color: #22c55e; }
.tag-quiz        { background: #fdf4ff; color: #a855f7; }
.tag-science     { background: #fff7ed; color: #ea580c; }
.tag-interactif  { background: #fdf4ff; color: #9333ea; }
.tag-reference   { background: #f0fdf4; color: #15803d; }

/* ---- Section "Le saviez-vous ?" ---- */
.did-you-know {
  background: linear-gradient(135deg, #fffbeb, #fef3c7);
  border: 1px solid #fde68a;
  border-radius: 16px;
  padding: 1.5rem;
  margin: 2rem 0;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.did-you-know-icon { font-size: 2rem; flex-shrink: 0; }
.did-you-know h3 { color: #92400e; font-size: 1rem; margin: 0 0 .4rem; }
.did-you-know p  { color: #78350f; font-size: .93rem; margin: 0; }

/* ---- Fiche identité (tableau spécial) ---- */
.identity-card {
  background: linear-gradient(135deg, #0f172a, #1e293b);
  border-radius: 20px;
  padding: 2rem;
  color: #fff;
  margin: 2rem 0;
}
.identity-card h2 { color: #f59e0b; font-size: 1.25rem; margin: 0 0 1.25rem; }
.identity-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .5rem;
}
.identity-item {
  background: rgba(255,255,255,.06);
  border-radius: 10px;
  padding: .75rem 1rem;
}
.identity-label {
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: #94a3b8;
  margin-bottom: .2rem;
}
.identity-value {
  font-weight: 600;
  font-size: .95rem;
  color: #f8fafc;
}
.identity-value em { color: #f59e0b; font-style: italic; }

/* ---- Sections alternées ---- */
.section { padding: 3rem 0; }
.section-alt { background: #f8fafc; }
.section-title {
  text-align: center;
  margin-bottom: 2rem;
}
.section-title h2 { margin: 0 0 .5rem; }
.section-title p  { color: #64748b; font-size: 1rem; max-width: 600px; margin: 0 auto; }

/* ---- Étapes (how-to) ---- */
.steps { counter-reset: step; display: flex; flex-direction: column; gap: 1rem; }
.step {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  padding: 1.25rem;
}
.step-num {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: #f59e0b;
  color: #0f172a;
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  font-size: .95rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.step-content h4 { margin: 0 0 .3rem; font-size: .95rem; }
.step-content p  { margin: 0; font-size: .9rem; color: #475569; }

/* ---- Quiz (aperçu accueil) ---- */
.quiz-preview {
  background: linear-gradient(135deg, #4f46e5 0%, #6366f1 100%);
  border-radius: 20px;
  padding: 2.5rem;
  color: #fff;
  text-align: center;
}
.quiz-preview h2 { color: #fff; margin: 0 0 .75rem; }
.quiz-preview p  { color: rgba(255,255,255,.8); margin: 0 0 1.5rem; }

/* ---- SVG anatomie placeholder ---- */
.anatomy-svg-wrap {
  background: #0f172a;
  border-radius: 16px;
  padding: 2rem;
  margin: 2rem 0;
  text-align: center;
}
.anatomy-svg-wrap svg { max-width: 100%; }

/* ---- Footer ---- */
.site-footer {
  background: #0f172a;
  color: #94a3b8;
  padding-top: 3rem;
}
.footer-top {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 3rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand { }
.footer-tagline { font-size: .88rem; color: #64748b; margin-top: .6rem; line-height: 1.6; }
.footer-nav { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.footer-col h3 { color: #f8fafc; font-size: .88rem; text-transform: uppercase; letter-spacing: .07em; margin: 0 0 .75rem; }
.footer-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: .4rem; }
.footer-col a  { color: #64748b; font-size: .88rem; text-decoration: none; transition: color .15s; }
.footer-col a:hover { color: #f59e0b; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 0;
  font-size: .83rem;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-langs { display: flex; gap: .75rem; }
.footer-langs a { color: #64748b; font-size: .82rem; font-weight: 600; text-decoration: none; text-transform: uppercase; transition: color .15s; }
.footer-langs a:hover, .footer-langs a.active { color: #f59e0b; }

/* ---- Responsive mobile ---- */
/* ---- Tablette (max 1024px) ---- */
@media (max-width: 1024px) {
  .nav-dropdown { min-width: 420px; }
  .footer-nav { gap: 1.5rem; }
}

/* ---- Mobile (max 768px) ---- */
@media (max-width: 768px) {
  .site-nav, .lang-switcher { display: none; }
  .burger { display: flex; }

  /* Menu mobile ouvert */
  .site-nav.mobile-open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    background: #fff;
    padding: 1.25rem;
    overflow-y: auto;
    z-index: 100;
  }
  .nav-overlay.active { display: block; }
  .site-nav.mobile-open .nav-list { flex-direction: column; gap: 0; }
  .site-nav.mobile-open .nav-btn {
    width: 100%;
    justify-content: space-between;
    padding: .9rem 1rem;
    font-size: 1rem;
    border-radius: 10px;
    border-bottom: 1px solid #f1f5f9;
  }
  .site-nav.mobile-open .nav-dropdown {
    position: static;
    transform: none;
    box-shadow: none;
    border: none;
    background: #f8fafc;
    min-width: 0;
    border-radius: 10px;
    padding: .5rem;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    display: none;
  }
  .site-nav.mobile-open .nav-item.open .nav-dropdown { display: block; }
  .site-nav.mobile-open .dropdown-grid { grid-template-columns: 1fr; }

  /* Lang-switcher dans le menu mobile */
  .lang-switcher.mobile-open {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    margin-top: 1rem;
    padding: 1rem;
    background: #f8fafc;
    border-radius: 10px;
  }
  .lang-switcher.mobile-open .lang-btn { display: none; }
  .lang-switcher.mobile-open .lang-dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    background: none;
    border: none;
    box-shadow: none;
    padding: 0;
    min-width: 0;
    display: flex;
    flex-wrap: wrap;
    gap: .4rem;
  }
  .lang-switcher.mobile-open .lang-option {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: .5rem .85rem;
    font-weight: 600;
    font-size: .85rem;
  }
  .lang-switcher.mobile-open .lang-option--active {
    background: #4f46e5;
    color: #fff;
    border-color: #4f46e5;
  }

  /* Sections & spacing */
  .page-hero { padding: 2.5rem 0 2rem; }
  .section { padding: 2rem 0; }
  .quiz-preview { padding: 1.5rem; border-radius: 14px; }
  .page-body { padding: 2rem 0 3rem; }
  .page-header { padding: 2rem 0 1.5rem; }

  /* Hero stats en grille 2x2 */
  .hero-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }

  /* Le saviez-vous : stack vertical */
  .did-you-know { flex-direction: column; text-align: center; }
  .did-you-know-icon { align-self: center; }

  /* Layout article */
  .page-layout { grid-template-columns: 1fr; gap: 2rem; }
  .page-sidebar { position: static; }

  /* Images d'article */
  .page-content figure { margin: 1.5rem 0; }

  /* Footer */
  .footer-top { grid-template-columns: 1fr; gap: 2rem; }
  .footer-nav { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }

  /* Grilles */
  .identity-grid { grid-template-columns: 1fr; }
  .nav-grid { grid-template-columns: 1fr; }
  .dropdown-grid { grid-template-columns: 1fr; }

  /* Home visual */
  .home-visual { padding: 1.5rem 0 0; }
}

/* ---- Petit mobile (max 480px) ---- */
@media (max-width: 480px) {
  .container { padding: 0 1rem; }
  .footer-nav { grid-template-columns: 1fr; }
  .page-hero h1 { font-size: 1.6rem; }
  .page-hero .hero-intro { font-size: .95rem; margin-bottom: 1.5rem; }
  .hero-cta-group { flex-direction: column; align-items: stretch; }
  .hero-cta-group .btn { text-align: center; justify-content: center; }
  .hero-stat strong { font-size: 1.4rem; }
  .hero-stat span { font-size: .75rem; }
  .quiz-preview { padding: 1.25rem; }
  .quiz-preview h2 { font-size: 1.15rem; }
  .identity-card { padding: 1.25rem; border-radius: 14px; }
  .callout { padding: 1rem 1rem 1rem 1.15rem; }
  .anatomy-svg-wrap { padding: 1.25rem; }
  .step { flex-direction: column; text-align: center; }
  .step-num { align-self: center; }
  .nav-card { padding: 1.15rem; }
  .nav-card-icon { font-size: 1.5rem; margin-bottom: .5rem; }
  .section-title p { font-size: .9rem; }
  .page-header .page-intro { font-size: .95rem; }
  .breadcrumb { font-size: .78rem; }
  .sidebar-card { padding: 1rem; }
}