/* ============================================
   CERVEAU SINGULIER — CSS
   ============================================ */

:root {
  --primary: #6C63FF;
  --primary-dark: #5A52E8;
  --secondary: #FF6584;
  --accent: #43C6AC;
  --accent2: #F8B500;
  --dark: #1A1A2E;
  --dark2: #16213E;
  --text: #2D2D44;
  --text-light: #6B7280;
  --white: #FFFFFF;
  --card-bg: #FFFFFF;
  --border: #E5E7EB;
  --radius: 16px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(108,99,255,0.10);
  --shadow-lg: 0 8px 48px rgba(108,99,255,0.15);
  --font: 'OpenDyslexic', 'Arial', sans-serif;
  --font-deca: 'Lexend Deca', 'Arial', sans-serif;
  --bg: #FFF9F0;
  --bg-alt: #FFF3E0;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

/* ---- RESET ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.9;
  letter-spacing: 0.02em;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ---- TYPOGRAPHY ---- */
h1 { font-size: clamp(2.4rem, 6vw, 4.5rem); font-weight: 700; line-height: 1.15; }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); font-weight: 700; line-height: 1.25; }
h3 { font-size: 1.25rem; font-weight: 600; }
h4 { font-size: 1.05rem; font-weight: 600; }
p { line-height: 1.75; }

/* ---- CONTAINER ---- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- NAV ---- */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
#navbar.scrolled { box-shadow: var(--shadow); }
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--primary);
  flex-shrink: 0;
}
.logo-icon { font-size: 1.4rem; }
.nav-links {
  display: flex;
  gap: 4px;
  flex: 1;
  overflow-x: auto;
  scrollbar-width: none;
}
.nav-links::-webkit-scrollbar { display: none; }
.nav-links li a {
  display: block;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-light);
  transition: all var(--transition);
  white-space: nowrap;
}
.nav-links li a:hover {
  background: var(--bg-alt);
  color: var(--primary);
}
.font-btn {
  flex-shrink: 0;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  color: var(--text);
}
.font-btn:hover, .font-btn.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ---- HERO ---- */
#hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark2) 50%, #0F3460 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 100px 24px 60px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.neuron {
  position: absolute;
  border-radius: 50%;
  opacity: 0.12;
  animation: float 8s ease-in-out infinite;
}
.n1 { width: 400px; height: 400px; background: var(--primary); top: -100px; left: -100px; animation-delay: 0s; }
.n2 { width: 300px; height: 300px; background: var(--secondary); bottom: -80px; right: -80px; animation-delay: 2s; }
.n3 { width: 200px; height: 200px; background: var(--accent); top: 40%; right: 10%; animation-delay: 4s; }
.n4 { width: 150px; height: 150px; background: var(--accent2); bottom: 20%; left: 15%; animation-delay: 1s; }
.n5 { width: 250px; height: 250px; background: var(--primary); top: 20%; left: 35%; animation-delay: 3s; }

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
}
.hero-label {
  display: inline-block;
  background: rgba(108,99,255,0.25);
  border: 1px solid rgba(108,99,255,0.4);
  color: rgba(255,255,255,0.9);
  padding: 6px 20px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 24px;
  letter-spacing: 0.05em;
}
.hero-content h1 { color: white; margin-bottom: 24px; }
.gradient-text {
  background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 50%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  color: rgba(255,255,255,0.75);
  font-size: 1.15rem;
  margin-bottom: 40px;
  font-family: var(--font-deca);
}
.hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  font-family: var(--font);
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  text-decoration: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  box-shadow: 0 4px 20px rgba(108,99,255,0.4);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(108,99,255,0.5); }
.btn-ghost {
  background: rgba(255,255,255,0.1);
  color: white;
  border: 1px solid rgba(255,255,255,0.3);
}
.btn-ghost:hover { background: rgba(255,255,255,0.2); transform: translateY(-2px); }
.scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.4);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.scroll-arrow {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.4), transparent);
  animation: scrollDown 2s ease-in-out infinite;
}
@keyframes scrollDown {
  0%, 100% { transform: scaleY(1); opacity: 0.4; }
  50% { transform: scaleY(0.6); opacity: 0.2; }
}

/* ---- SECTIONS ---- */
.section { padding: 100px 0; }
.section-alt { background: var(--bg-alt); }
.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-tag {
  display: inline-block;
  background: linear-gradient(135deg, rgba(108,99,255,0.12), rgba(67,198,172,0.12));
  color: var(--primary);
  border: 1px solid rgba(108,99,255,0.2);
  padding: 4px 16px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-header h2 em { color: var(--primary); font-style: normal; }
.section-intro {
  color: var(--text-light);
  font-size: 1.1rem;
  margin-top: 12px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.source-inline {
  font-size: 0.68rem;
  color: var(--text-light);
  margin-top: auto;
  padding-top: 8px;
  font-style: italic;
  opacity: 0.6;
  display: block;
  line-height: 1.4;
}

/* ---- PREAMBULE ---- */
.section-preambule {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark2) 100%);
  padding: 80px 0;
}
.preambule-wrapper {
  max-width: 680px;
  margin: 0 auto;
}
.preambule-tag {
  display: inline-block;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.6);
  padding: 5px 18px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  margin-bottom: 28px;
}
.preambule-body p {
  color: rgba(255,255,255,0.8);
  font-size: 1.05rem;
  line-height: 1.9;
  margin-bottom: 18px;
}
.preambule-body p:last-of-type { margin-bottom: 0; }
.preambule-signature {
  display: block;
  text-align: right;
  color: rgba(255,255,255,0.45) !important;
  font-style: italic;
  font-size: 0.95rem !important;
  margin-top: 32px !important;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

/* ---- DEFINITION ---- */
.def-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 24px;
  margin-bottom: 64px;
}
.def-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 32px;
  border: 1px solid var(--border);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.def-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.def-main { grid-column: 1; border-top: 3px solid var(--primary); }
.def-icon { font-size: 2rem; margin-bottom: 16px; }
.def-card h3 { margin-bottom: 12px; }
.def-card p { margin-bottom: 12px; font-size: 0.95rem; }
.myth-list { margin-top: 12px; }
.myth-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border);
}
.myth-list li:last-child { border-bottom: none; }
.myth-x { color: var(--secondary); font-weight: 700; }

.myths-section { margin-top: 48px; }
.myths-section > h3 { text-align: center; margin-bottom: 32px; font-size: 1.5rem; }
.myths-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.myth-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid var(--border);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.myth-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.myth-false {
  display: inline-block;
  background: rgba(255,101,132,0.12);
  color: var(--secondary);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 2px 10px;
  border-radius: 4px;
  margin-bottom: 8px;
}
.myth-claim {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text);
  font-style: italic;
}
.myth-true {
  display: inline-block;
  background: rgba(67,198,172,0.15);
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 2px 10px;
  border-radius: 4px;
  margin-bottom: 8px;
}
.myth-reality { font-size: 0.9rem; color: var(--text-light); }

/* ---- CHIFFRES ---- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.stat-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 32px 24px;
  border: 1px solid var(--border);
  text-align: center;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.stat-big { grid-column: span 2; background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: white; border: none; }
.stat-wide { grid-column: span 2; }
.stat-number { font-size: 2.8rem; font-weight: 700; color: var(--primary); line-height: 1; margin-bottom: 8px; }
.stat-big .stat-number { color: white; font-size: 3.5rem; }
.stat-label { font-size: 0.95rem; font-weight: 600; margin-bottom: 12px; }
.stat-big .stat-label { color: rgba(255,255,255,0.85); }
.stat-detail { font-size: 0.88rem; color: var(--text-light); }
.stat-big .stat-detail { color: rgba(255,255,255,0.8); }
.stat-big .source-inline { color: rgba(255,255,255,0.6); }

/* ---- SIGNES ---- */
.signs-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 40px;
  flex-wrap: wrap;
  justify-content: center;
}
.tab-btn {
  padding: 10px 24px;
  border-radius: 50px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--text-light);
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}
.tab-btn:hover { border-color: var(--primary); color: var(--primary); }
.tab-btn.active { background: var(--primary); color: white; border-color: var(--primary); }
.tab-content { display: none; }
.tab-content.active { display: block; }
.signs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.sign-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid var(--border);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.sign-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.sign-note { background: rgba(248,181,0,0.08); border-color: rgba(248,181,0,0.3); }
.sign-icon { font-size: 2rem; margin-bottom: 16px; }
.sign-card h4 { margin-bottom: 8px; color: var(--text); }
.sign-card p { font-size: 0.9rem; color: var(--text-light); }

/* ---- CERVEAU ---- */
.brain-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 64px;
}
.brain-text h3 { font-size: 1.5rem; margin-bottom: 16px; }
.brain-text p { margin-bottom: 16px; font-size: 0.95rem; }
.brain-text strong { color: var(--primary); }
.brain-diagram {
  background: linear-gradient(135deg, var(--dark), var(--dark2));
  border-radius: var(--radius);
  padding: 40px;
  position: relative;
  min-height: 280px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 24px;
}
.brain-visual {
  position: absolute;
  right: 32px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 5rem;
  opacity: 0.15;
}
.brain-zone { display: flex; align-items: center; gap: 16px; position: relative; z-index: 1; }
.bz-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}
.bz-temporal .bz-dot { background: var(--primary); box-shadow: 0 0 12px var(--primary); }
.bz-occipital .bz-dot { background: var(--accent); box-shadow: 0 0 12px var(--accent); }
.bz-frontal .bz-dot { background: var(--secondary); box-shadow: 0 0 12px var(--secondary); }
.bz-label { color: rgba(255,255,255,0.85); font-size: 0.9rem; font-weight: 500; }
.bz-label small { color: rgba(255,255,255,0.5); font-size: 0.78rem; font-weight: 400; display: block; }

.research-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
  margin-bottom: 48px;
}
.research-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid var(--border);
  transition: all var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}
.research-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.research-num {
  font-size: 3rem;
  font-weight: 700;
  color: rgba(108,99,255,0.1);
  position: absolute;
  top: 16px;
  right: 20px;
  line-height: 1;
  font-family: var(--font-deca);
}
.research-card h4 { margin-bottom: 12px; color: var(--primary); font-size: 1rem; }
.research-card p { font-size: 0.9rem; color: var(--text); margin-bottom: 10px; }
.research-card strong { color: var(--text); }

.dehaene-quote {
  background: linear-gradient(135deg, var(--dark), var(--dark2));
  border-radius: var(--radius);
  padding: 48px;
  text-align: center;
}
.dehaene-quote blockquote {
  color: rgba(255,255,255,0.9);
  font-size: 1.2rem;
  line-height: 1.8;
  font-style: italic;
  margin-bottom: 20px;
  font-weight: 300;
}
.dehaene-quote cite {
  color: rgba(255,255,255,0.5);
  font-size: 0.875rem;
  font-style: normal;
}

/* ---- FORCES ---- */
.forces-intro {
  background: linear-gradient(135deg, rgba(108,99,255,0.07), rgba(67,198,172,0.07));
  border: 1px solid rgba(108,99,255,0.15);
  border-radius: var(--radius);
  padding: 28px 32px;
  margin-bottom: 48px;
  font-size: 1rem;
  color: var(--text);
}
.forces-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 64px;
}
.force-big { grid-column: span 2; background: linear-gradient(135deg, rgba(108,99,255,0.08), rgba(67,198,172,0.08)); border-color: rgba(108,99,255,0.2); }
.force-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid var(--border);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.force-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.force-icon { font-size: 2rem; margin-bottom: 14px; }
.force-card h3 { margin-bottom: 12px; font-size: 1.1rem; }
.force-card p { font-size: 0.9rem; color: var(--text-light); margin-bottom: 10px; }
.force-card strong { color: var(--text); }

.famous-dys { margin-top: 32px; }
.famous-dys > h3 { text-align: center; margin-bottom: 12px; font-size: 1.5rem; }
.famous-note { text-align: center; color: var(--text-light); font-size: 0.875rem; margin-bottom: 32px; font-style: italic; }
.famous-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.famous-item {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  border: 1px solid var(--border);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.famous-item:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.famous-emoji { font-size: 2rem; margin-bottom: 4px; }
.famous-item strong { font-size: 0.9rem; }
.famous-item span { font-size: 0.78rem; color: var(--text-light); }

/* ---- DROITS ---- */
.rights-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.right-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 32px;
  border: 1px solid var(--border);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.right-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.right-badge {
  display: inline-block;
  padding: 4px 16px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}
.right-pap .right-badge { background: rgba(108,99,255,0.15); color: var(--primary); }
.right-pps .right-badge { background: rgba(67,198,172,0.15); color: var(--accent); }
.right-rased .right-badge { background: rgba(248,181,0,0.15); color: #D97706; }
.right-exams .right-badge { background: rgba(255,101,132,0.15); color: var(--secondary); }
.right-ppre .right-badge { background: rgba(108,99,255,0.1); color: var(--primary-dark); }
.right-tips .right-badge { background: var(--primary); color: white; font-size: 1.2rem; padding: 6px 12px; }
.right-card h3 { margin-bottom: 16px; }
.right-who {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-light);
  margin: 16px 0 8px;
}
.right-card p { font-size: 0.9rem; margin-bottom: 12px; }
.right-card ul { list-style: none; }
.right-card ul li {
  padding: 5px 0;
  font-size: 0.88rem;
  color: var(--text);
  padding-left: 16px;
  position: relative;
}
.right-card ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--primary);
}
.right-ref {
  margin-top: auto;
  padding-top: 16px;
  font-size: 0.78rem;
  color: var(--text-light);
  font-style: italic;
  border-top: 1px solid var(--border);
}
.tips-list li {
  padding: 8px 0 8px 20px;
  font-size: 0.88rem;
  border-bottom: 1px solid var(--border);
}
.tips-list li:last-child { border-bottom: none; }

/* ---- OUTILS ---- */
.tools-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.tool-category {
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
}
.tool-cat-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 28px;
  background: linear-gradient(135deg, rgba(108,99,255,0.06), rgba(67,198,172,0.06));
  border-bottom: 1px solid var(--border);
}
.tool-cat-icon { font-size: 1.5rem; }
.tool-cat-header h3 { font-size: 1.1rem; margin: 0; }
.tool-list { padding: 20px 28px; display: flex; flex-direction: column; gap: 16px; }
.tool-item {
  padding: 14px 16px;
  background: var(--bg-alt);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.tool-item:hover { background: rgba(108,99,255,0.06); }
.tool-name { font-weight: 600; font-size: 0.95rem; margin-bottom: 4px; color: var(--primary); }
.tool-desc { font-size: 0.85rem; color: var(--text-light); line-height: 1.5; }
.tool-age { font-size: 0.75rem; font-weight: 600; color: var(--accent); margin-top: 6px; }

.font-showcase { padding: 20px 28px; display: flex; flex-direction: column; gap: 16px; }
.font-item { padding: 16px; border-radius: var(--radius-sm); border: 1px solid var(--border); }
.fi-opendys { background: rgba(108,99,255,0.04); }
.fi-lexend { background: rgba(67,198,172,0.04); }
.fi-arial { background: rgba(248,181,0,0.04); }
.font-name { font-weight: 700; font-size: 0.9rem; color: var(--primary); margin-bottom: 6px; }
.font-sample { font-size: 0.88rem; color: var(--text); line-height: 1.6; margin-bottom: 6px; }
.font-link { font-size: 0.75rem; color: var(--text-light); font-style: italic; }

.font-tips { padding: 20px 28px; border-top: 1px solid var(--border); }
.font-tips h4 { margin-bottom: 12px; font-size: 0.95rem; }
.font-tips ul { list-style: disc; padding-left: 20px; display: flex; flex-direction: column; gap: 6px; }
.font-tips ul li { font-size: 0.85rem; color: var(--text); }
.font-tips strong { color: var(--secondary); }

.books-grid { padding: 20px 28px; display: flex; flex-direction: column; gap: 16px; }
.book-item { display: flex; gap: 16px; align-items: flex-start; }
.book-cover { font-size: 2rem; flex-shrink: 0; }
.book-title { font-weight: 600; font-size: 0.9rem; margin-bottom: 2px; }
.book-author { font-size: 0.78rem; color: var(--primary); margin-bottom: 4px; }
.book-desc { font-size: 0.82rem; color: var(--text-light); line-height: 1.5; }

/* ---- THÉA ---- */
.section-thea {
  background: linear-gradient(135deg, #1A1A2E 0%, #16213E 50%, #0F3460 100%);
  padding: 100px 0;
}
.thea-wrapper {
  max-width: 720px;
  margin: 0 auto;
  position: relative;
}
.thea-deco { text-align: center; margin-bottom: 16px; }
.thea-stars { display: flex; justify-content: center; gap: 20px; }
.thea-stars span {
  color: rgba(255,255,255,0.2);
  font-size: 1rem;
  animation: twinkle 3s ease-in-out infinite;
}
.thea-stars span:nth-child(2) { animation-delay: 0.6s; }
.thea-stars span:nth-child(3) { animation-delay: 1.2s; }
.thea-stars span:nth-child(4) { animation-delay: 1.8s; }
.thea-stars span:nth-child(5) { animation-delay: 2.4s; }
@keyframes twinkle {
  0%, 100% { opacity: 0.2; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.2); }
}
.thea-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 24px;
  padding: 56px;
  backdrop-filter: blur(12px);
}
.thea-header {
  text-align: center;
  margin-bottom: 40px;
}
.thea-icon { font-size: 3rem; display: block; margin-bottom: 16px; }
.thea-header h2 { color: white; font-size: 2.5rem; }
.thea-body p {
  color: rgba(255,255,255,0.82);
  font-size: 1.05rem;
  margin-bottom: 20px;
  line-height: 1.9;
}
.thea-body strong { color: white; }
.thea-body em { color: rgba(255,255,255,0.7); font-style: italic; }
.thea-quote {
  border: none;
  background: linear-gradient(135deg, rgba(108,99,255,0.25), rgba(67,198,172,0.25));
  border-radius: var(--radius);
  padding: 28px 32px;
  margin: 32px 0;
  color: white;
  font-size: 1.1rem;
  font-style: italic;
  text-align: center;
  line-height: 1.9;
  font-weight: 300;
}
.thea-end {
  text-align: center;
  font-size: 1.1rem;
  color: rgba(255,255,255,0.9);
  font-weight: 500;
  margin-top: 8px;
}
.thea-signature {
  text-align: right;
  font-size: 1rem;
  color: rgba(255,255,255,0.6);
  font-style: italic;
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

/* ---- SOURCES ---- */
.sources-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 48px;
}
.sources-category {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
}
.sources-category h3 {
  margin-bottom: 20px;
  color: var(--primary);
  font-size: 1rem;
  padding-bottom: 12px;
  border-bottom: 2px solid rgba(108,99,255,0.15);
}
.sources-list { display: flex; flex-direction: column; gap: 10px; }
.sources-list li {
  font-size: 0.82rem;
  color: var(--text-light);
  line-height: 1.6;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}
.sources-list li:last-child { border-bottom: none; }
.sources-list em { font-style: italic; color: var(--text); }
.associations {
  background: linear-gradient(135deg, rgba(108,99,255,0.07), rgba(67,198,172,0.07));
  border-radius: var(--radius);
  padding: 32px;
  border: 1px solid rgba(108,99,255,0.15);
}
.associations h3 { margin-bottom: 24px; }
.asso-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}
.asso-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.asso-item strong { font-size: 0.9rem; color: var(--text); }
.asso-item span { font-size: 0.82rem; color: var(--text-light); }

/* ---- FOOTER ---- */
#footer {
  background: var(--dark);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 32px;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 48px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 320px;
}
.footer-name { font-size: 1.2rem; font-weight: 700; color: white; margin-left: 4px; }
.footer-brand p { font-size: 0.85rem; line-height: 1.6; }
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-links a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.5);
  transition: color var(--transition);
}
.footer-links a:hover { color: white; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom p { font-size: 0.82rem; }
.footer-note { color: rgba(255,255,255,0.35); }

/* ---- BACK TO TOP ---- */
#back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(16px);
  transition: all var(--transition);
  z-index: 999;
}
#back-to-top.visible { opacity: 1; transform: translateY(0); }
#back-to-top:hover { background: var(--primary-dark); transform: translateY(-2px); }

/* ---- MODE POLICE STANDARD (bascule depuis OpenDyslexic) ---- */
body.standard-mode {
  font-family: 'Lexend', 'Arial', sans-serif;
  --bg: #FAFAFA;
  --bg-alt: #F3F4F8;
  line-height: 1.7;
  letter-spacing: 0;
}
body.standard-mode .nav-links li a,
body.standard-mode .btn,
body.standard-mode p,
body.standard-mode li { font-size: 1em; }

/* ---- MOBILE NAV ---- */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  #navbar.menu-open .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px; left: 0; right: 0;
    background: white;
    border-bottom: 1px solid var(--border);
    padding: 16px 24px 24px;
    gap: 4px;
    box-shadow: var(--shadow-lg);
  }
}

/* ---- RESPONSIVE ---- */
@media (max-width: 1024px) {
  .def-grid { grid-template-columns: 1fr 1fr; }
  .def-main { grid-column: span 2; }
  .forces-grid { grid-template-columns: 1fr 1fr; }
  .force-big { grid-column: span 2; }
  .famous-grid { grid-template-columns: repeat(4, 1fr); }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-big { grid-column: span 2; }
  .stat-wide { grid-column: span 2; }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }
  .section-header { margin-bottom: 40px; }
  .def-grid { grid-template-columns: 1fr; }
  .def-main { grid-column: 1; }
  .brain-intro { grid-template-columns: 1fr; }
  .research-cards { grid-template-columns: 1fr; }
  .forces-grid { grid-template-columns: 1fr; }
  .force-big { grid-column: 1; }
  .famous-grid { grid-template-columns: repeat(2, 1fr); }
  .rights-grid { grid-template-columns: 1fr; }
  .tools-grid { grid-template-columns: 1fr; }
  .sources-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .stat-big, .stat-wide { grid-column: 1; }
  .thea-card { padding: 32px 24px; }
  .dehaene-quote { padding: 32px 24px; }
  .footer-inner { flex-direction: column; gap: 32px; }
  .footer-bottom { flex-direction: column; }
}

@media (max-width: 480px) {
  .hero-ctas { flex-direction: column; align-items: center; }
  .famous-grid { grid-template-columns: repeat(2, 1fr); }
  .signs-tabs { gap: 6px; }
  .tab-btn { padding: 8px 16px; font-size: 0.82rem; }
}