/* ═══════════════════════════════════════════════════════════
   NeuroMed Reader — Design System Neuro-Inclusivo
   Projetado para mitigação de carga cognitiva
   ═══════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Outfit:wght@300;400;500;600;700;800;900&display=swap');

/* ─── CSS Variables / Design Tokens ─── */
:root {
  /* Colors - Deep Neural Theme */
  --bg-primary: #0a0a1a;
  --bg-secondary: #12122a;
  --bg-card: #1a1a3a;
  --bg-card-hover: #222252;
  --bg-surface: rgba(255,255,255,0.03);
  
  --text-primary: #e8e0d8;
  --text-secondary: #9a94a8;
  --text-muted: #6b6580;
  --text-heading: #f0eaf5;
  
  --accent-purple: #7c3aed;
  --accent-purple-glow: rgba(124, 58, 237, 0.3);
  --accent-teal: #06b6d4;
  --accent-teal-glow: rgba(6, 182, 212, 0.3);
  --accent-amber: #fbbf24;
  --accent-amber-glow: rgba(251, 191, 36, 0.15);
  --accent-green: #34d399;
  --accent-rose: #f472b6;
  
  --gradient-hero: linear-gradient(135deg, #0a0a1a 0%, #1a103a 50%, #0a1a2a 100%);
  --gradient-card: linear-gradient(145deg, rgba(124,58,237,0.08), rgba(6,182,212,0.05));
  --gradient-accent: linear-gradient(135deg, #7c3aed, #06b6d4);
  --gradient-warm: linear-gradient(135deg, #7c3aed, #f472b6);
  
  --glass: rgba(255,255,255,0.04);
  --glass-border: rgba(255,255,255,0.08);
  --glass-strong: rgba(255,255,255,0.08);
  
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 48px rgba(0,0,0,0.5);
  --shadow-glow-purple: 0 0 40px rgba(124,58,237,0.2);
  --shadow-glow-teal: 0 0 40px rgba(6,182,212,0.2);
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-pill: 100px;
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Outfit', 'Inter', sans-serif;
  
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  
  --header-height: 72px;
  --container-width: 1200px;
  --content-width: 800px;
}

/* ─── Calm Mode Variables ─── */
.calm-mode {
  --bg-primary: #1c1c2e;
  --bg-secondary: #222238;
  --bg-card: #282848;
  --text-primary: #d4ccc4;
  --text-secondary: #8a8498;
  --accent-purple: #6b30cc;
  --accent-teal: #05a0b8;
  --gradient-hero: linear-gradient(135deg, #1c1c2e 0%, #1c1c2e 100%);
}

.calm-mode * {
  animation-duration: 0s !important;
  transition-duration: 0.1s !important;
}

.calm-mode .floating-particles,
.calm-mode .neural-bg,
.calm-mode .pulse-ring {
  display: none !important;
}

/* ─── Light Mode Variables ─── */
.light-mode {
  --bg-primary: #f5f0eb;
  --bg-secondary: #ede6dd;
  --bg-card: #ffffff;
  --bg-card-hover: #f8f4ef;
  --bg-surface: rgba(0,0,0,0.02);
  --text-primary: #2d2d3d;
  --text-secondary: #5a5568;
  --text-muted: #8a8498;
  --text-heading: #1a1a2e;
  --glass: rgba(0,0,0,0.03);
  --glass-border: rgba(0,0,0,0.08);
  --glass-strong: rgba(0,0,0,0.06);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 24px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 48px rgba(0,0,0,0.12);
  --gradient-hero: linear-gradient(135deg, #f5f0eb 0%, #ede6dd 50%, #f0ebe5 100%);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
}

::selection {
  background: var(--accent-purple);
  color: white;
}

/* ─── Typography ─── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--text-heading);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 800; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 700; }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); font-weight: 600; }
h4 { font-size: 1.2rem; font-weight: 600; }

p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-secondary);
  max-width: 72ch;
}

/* ─── Layout ─── */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-header .badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent-teal);
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.section-header h2 {
  margin-bottom: 16px;
}

.section-header p {
  margin: 0 auto;
  font-size: 1.1rem;
}

.accent-text {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ─── Header / Nav ─── */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(10, 10, 26, 0.8);
  border-bottom: 1px solid var(--glass-border);
  transition: var(--transition-normal);
}

.light-mode .header {
  background: rgba(245, 240, 235, 0.85);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--gradient-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-heading);
  letter-spacing: -0.03em;
}

.logo-text span {
  color: var(--accent-purple);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition-fast);
  position: relative;
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-accent);
  transition: var(--transition-normal);
  border-radius: 1px;
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border: none;
  border-radius: var(--radius-pill);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-normal);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-accent);
  color: white;
  box-shadow: var(--shadow-glow-purple);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 60px rgba(124,58,237,0.35);
}

.btn-secondary {
  background: var(--glass-strong);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.12);
  border-color: var(--accent-purple);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.85rem;
}

.btn-icon {
  width: 42px;
  height: 42px;
  padding: 0;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-fast);
  font-size: 1.1rem;
}

.btn-icon:hover {
  background: var(--glass-strong);
  color: var(--accent-purple);
  border-color: var(--accent-purple);
}

/* ─── Hero Section ─── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: var(--gradient-hero);
  overflow: hidden;
  padding-top: var(--header-height);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.15;
  filter: blur(1px);
}

.neural-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
}

.neural-node {
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent-purple);
  box-shadow: 0 0 20px var(--accent-purple-glow);
  animation: nodeFloat 6s ease-in-out infinite;
}

.neural-node:nth-child(even) {
  background: var(--accent-teal);
  box-shadow: 0 0 20px var(--accent-teal-glow);
  animation-duration: 8s;
}

@keyframes nodeFloat {
  0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.6; }
  50% { transform: translate(20px, -30px) scale(1.5); opacity: 1; }
}

.hero-content {
  position: relative;
  z-index: 10;
  max-width: 720px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(124, 58, 237, 0.12);
  border: 1px solid rgba(124, 58, 237, 0.25);
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent-purple);
  margin-bottom: 28px;
  animation: fadeInUp 0.8s ease forwards;
}

.hero h1 {
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease 0.1s forwards;
  opacity: 0;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 40px;
  animation: fadeInUp 0.8s ease 0.2s forwards;
  opacity: 0;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.3s forwards;
  opacity: 0;
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 60px;
  animation: fadeInUp 0.8s ease 0.4s forwards;
  opacity: 0;
}

.hero-stat {
  text-align: left;
}

.hero-stat .number {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-stat .label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ─── Cards ─── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-accent);
  opacity: 0;
  transition: var(--transition-normal);
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(124,58,237,0.3);
  box-shadow: var(--shadow-glow-purple);
}

.card:hover::before {
  opacity: 1;
}

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--gradient-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  border: 1px solid var(--glass-border);
}

.card h3 {
  margin-bottom: 12px;
}

.card p {
  font-size: 0.95rem;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.cards-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

/* ─── Pain Matrix Section ─── */
.pain-matrix {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.pain-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: relative;
  overflow: hidden;
}

.pain-card .profile-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.pain-card.dyslexia .profile-badge {
  background: rgba(251, 191, 36, 0.12);
  color: var(--accent-amber);
  border: 1px solid rgba(251, 191, 36, 0.25);
}

.pain-card.adhd .profile-badge {
  background: rgba(124, 58, 237, 0.12);
  color: var(--accent-purple);
  border: 1px solid rgba(124, 58, 237, 0.25);
}

.pain-card.asd .profile-badge {
  background: rgba(6, 182, 212, 0.12);
  color: var(--accent-teal);
  border: 1px solid rgba(6, 182, 212, 0.25);
}

.pain-card.coocurrence .profile-badge {
  background: rgba(244, 114, 182, 0.12);
  color: var(--accent-rose);
  border: 1px solid rgba(244, 114, 182, 0.25);
}

.pain-card h4 {
  margin-bottom: 8px;
}

.pain-card .mechanism {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.pain-card .consequence {
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: 10px 14px;
  background: var(--glass);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--accent-purple);
}

/* ─── Demo / Reader Section ─── */
.reader-demo {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  max-width: 900px;
  margin: 0 auto;
}

/* Engine Bar */
.reader-engine-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: linear-gradient(135deg, rgba(124,58,237,0.08), rgba(6,182,212,0.08));
  border-bottom: 1px solid var(--glass-border);
}

.engine-selector {
  display: flex;
  align-items: center;
  gap: 10px;
}

.engine-selector label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.quota-badge {
  font-variant-numeric: tabular-nums;
  transition: var(--transition-fast);
}

/* Loading spinner for Play button */
.btn-loading {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.reader-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: var(--glass);
  border-bottom: 1px solid var(--glass-border);
  flex-wrap: wrap;
  gap: 12px;
}

.toolbar-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.reader-content {
  padding: 40px;
  min-height: 300px;
}

.reader-content p {
  font-size: 1.15rem;
  line-height: 2;
  max-width: none;
  color: var(--text-primary);
}

.reader-content .word {
  display: inline;
  padding: 2px 1px;
  border-radius: 3px;
  transition: background 0.15s ease, color 0.15s ease;
  cursor: default;
}

.reader-content .word.active {
  background: var(--accent-amber-glow);
  color: var(--accent-amber);
  font-weight: 600;
}

.reader-content .word.read {
  color: var(--text-muted);
}

.reader-progress {
  padding: 16px 24px;
  background: var(--glass);
  border-top: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  gap: 16px;
}

.progress-bar-container {
  flex: 1;
  height: 6px;
  background: var(--glass-strong);
  border-radius: 3px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--gradient-accent);
  border-radius: 3px;
  transition: width 0.3s ease;
  width: 0%;
}

.progress-time {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  min-width: 100px;
  text-align: right;
}

/* Voice Speed Control */
.speed-control {
  display: flex;
  align-items: center;
  gap: 8px;
}

.speed-control label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.speed-slider {
  -webkit-appearance: none;
  width: 80px;
  height: 4px;
  border-radius: 2px;
  background: var(--glass-strong);
  outline: none;
}

.speed-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent-purple);
  cursor: pointer;
  border: 2px solid var(--bg-primary);
}

.speed-value {
  font-size: 0.8rem;
  color: var(--accent-teal);
  font-weight: 600;
  min-width: 32px;
}

/* Font size control */
.font-control {
  display: flex;
  align-items: center;
  gap: 4px;
}

.font-btn {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
  background: var(--glass);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  transition: var(--transition-fast);
}

.font-btn:hover {
  background: var(--accent-purple);
  color: white;
  border-color: var(--accent-purple);
}

/* ─── TTS Providers Section ─── */
.providers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.provider-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
  transition: var(--transition-normal);
}

.provider-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent-purple);
}

.provider-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--text-heading);
}

.provider-advantage {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.provider-perf {
  font-size: 0.8rem;
  padding: 6px 14px;
  background: var(--glass);
  border-radius: var(--radius-pill);
  color: var(--accent-teal);
  display: inline-block;
}

/* ─── Pricing Section ─── */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 36px;
  text-align: center;
  position: relative;
  transition: var(--transition-normal);
}

.pricing-card.featured {
  border-color: var(--accent-purple);
  box-shadow: var(--shadow-glow-purple);
  transform: scale(1.02);
}

.pricing-card.featured::before {
  content: '⭐ RECOMENDADO';
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  padding: 6px 20px;
  background: var(--gradient-accent);
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 700;
  color: white;
  letter-spacing: 0.05em;
}

.pricing-plan-name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 8px;
}

.pricing-price {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}

.pricing-period {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.pricing-features {
  list-style: none;
  text-align: left;
  margin-bottom: 28px;
}

.pricing-features li {
  padding: 8px 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.pricing-features li::before {
  content: '✓';
  color: var(--accent-green);
  font-weight: 700;
  flex-shrink: 0;
}

/* ─── Architecture Diagram ─── */
.arch-diagram {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 40px;
  font-family: 'Courier New', monospace;
  font-size: 0.85rem;
  color: var(--accent-teal);
  overflow-x: auto;
  white-space: pre;
  line-height: 1.5;
  max-width: 900px;
  margin: 0 auto;
}

/* ─── Council Section ─── */
.council-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.council-member {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  text-align: center;
  transition: var(--transition-normal);
}

.council-member:hover {
  transform: translateY(-2px);
  border-color: var(--accent-purple);
}

.council-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--gradient-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin: 0 auto 12px;
  border: 2px solid var(--glass-border);
}

.council-member h4 {
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.council-member .role {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ─── Calm Mode Toggle ─── */
.calm-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--text-secondary);
  user-select: none;
}

.calm-toggle input {
  display: none;
}

.toggle-track {
  width: 44px;
  height: 24px;
  border-radius: 12px;
  background: var(--glass-strong);
  border: 1px solid var(--glass-border);
  position: relative;
  transition: var(--transition-fast);
}

.toggle-track::after {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--text-secondary);
  top: 2px;
  left: 2px;
  transition: var(--transition-fast);
}

.calm-toggle input:checked + .toggle-track {
  background: var(--accent-purple);
  border-color: var(--accent-purple);
}

.calm-toggle input:checked + .toggle-track::after {
  transform: translateX(20px);
  background: white;
}

/* ─── Accessibility Panel ─── */
.a11y-panel {
  position: fixed;
  right: -320px;
  top: var(--header-height);
  width: 320px;
  height: calc(100vh - var(--header-height));
  background: var(--bg-secondary);
  border-left: 1px solid var(--glass-border);
  z-index: 100;
  transition: var(--transition-slow);
  padding: 24px;
  overflow-y: auto;
}

.a11y-panel.open {
  right: 0;
}

.a11y-panel h3 {
  margin-bottom: 24px;
  font-size: 1.1rem;
}

.a11y-group {
  margin-bottom: 24px;
}

.a11y-group label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
  font-weight: 500;
}

.a11y-group select,
.a11y-group input[type="range"] {
  width: 100%;
  padding: 8px 12px;
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.9rem;
}

.a11y-group select option {
  background: var(--bg-card);
}

/* ─── Prompt Section ─── */
.prompt-block {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  max-width: 900px;
  margin: 0 auto;
}

.prompt-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: var(--glass);
  border-bottom: 1px solid var(--glass-border);
}

.prompt-header h4 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
}

.prompt-body {
  padding: 24px;
  font-family: 'Courier New', monospace;
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--accent-teal);
  max-height: 500px;
  overflow-y: auto;
  white-space: pre-wrap;
}

/* ─── Footer ─── */
.footer {
  padding: 60px 0 30px;
  border-top: 1px solid var(--glass-border);
  background: var(--bg-secondary);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--accent-purple);
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--glass-border);
}

/* ─── Floating Particles ─── */
.floating-particles {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--accent-purple);
  opacity: 0.3;
  animation: particleDrift linear infinite;
}

@keyframes particleDrift {
  0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
  10% { opacity: 0.3; }
  90% { opacity: 0.3; }
  100% { transform: translateY(-10vh) rotate(720deg); opacity: 0; }
}

/* ─── Scroll Indicator ─── */
.scroll-indicator {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--gradient-accent);
  z-index: 1001;
  transition: width 0.1s linear;
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
  .nav-links { display: none; }
  
  .cards-grid-3 {
    grid-template-columns: 1fr;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: 20px;
  }
  
  .hero-actions {
    flex-direction: column;
  }
  
  .pricing-card.featured {
    transform: none;
  }
  
  .reader-toolbar {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .council-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .section {
    padding: 60px 0;
  }
  
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
}

/* ─── Dyslexia Font Mode ─── */
.dyslexia-font {
  font-family: 'OpenDyslexic', 'Comic Sans MS', var(--font-sans) !important;
}

.dyslexia-font h1, .dyslexia-font h2, .dyslexia-font h3,
.dyslexia-font h4, .dyslexia-font h5, .dyslexia-font h6 {
  font-family: 'OpenDyslexic', 'Comic Sans MS', var(--font-display) !important;
}

/* ─── High Contrast Override ─── */
.high-contrast {
  --bg-primary: #000000;
  --bg-secondary: #0a0a0a;
  --bg-card: #111111;
  --text-primary: #ffffff;
  --text-secondary: #cccccc;
  --text-heading: #ffffff;
  --glass-border: rgba(255,255,255,0.2);
}

/* ─── Utility: Focus Visible ─── */
:focus-visible {
  outline: 2px solid var(--accent-purple);
  outline-offset: 2px;
}

/* ─── Print ─── */
@media print {
  .header, .floating-particles, .neural-bg, .a11y-panel, .scroll-indicator {
    display: none !important;
  }
  body {
    background: white;
    color: black;
  }
}