/* ============================================
   ASK & Guide — Web3 Education Design System
   ============================================ */

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

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Colors */
  --bg-primary: #0a0e27;
  --bg-secondary: #0f1435;
  --bg-card: rgba(15, 20, 53, 0.7);
  --bg-glass: rgba(255, 255, 255, 0.03);
  --bg-glass-hover: rgba(255, 255, 255, 0.06);

  --accent-cyan: #00d4ff;
  --accent-purple: #7b2ff7;
  --accent-pink: #f72fff;
  --accent-cyan-glow: rgba(0, 212, 255, 0.3);
  --accent-purple-glow: rgba(123, 47, 247, 0.3);

  --gradient-primary: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  --gradient-hero: linear-gradient(135deg, #0a0e27 0%, #1a1150 50%, #0a0e27 100%);
  --gradient-card: linear-gradient(135deg, rgba(0, 212, 255, 0.08), rgba(123, 47, 247, 0.08));

  --text-primary: #ffffff;
  --text-secondary: #a8b2d1;
  --text-muted: #6b7394;

  --border-color: rgba(255, 255, 255, 0.06);
  --border-glow: rgba(0, 212, 255, 0.15);

  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-md: 1.125rem;
  --fs-lg: 1.25rem;
  --fs-xl: 1.5rem;
  --fs-2xl: 2rem;
  --fs-3xl: 2.5rem;
  --fs-4xl: 3.25rem;
  --fs-5xl: 4rem;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 50%;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.4);
  --shadow-glow-cyan: 0 0 30px var(--accent-cyan-glow);
  --shadow-glow-purple: 0 0 30px var(--accent-purple-glow);

  /* Layout */
  --max-width: 1200px;
  --nav-height: 72px;
}

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

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

body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.7;
  color: var(--text-secondary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  line-height: 1.2;
  font-weight: 700;
}

a {
  text-decoration: none;
  color: var(--accent-cyan);
  transition: color var(--transition-fast);
}

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

img {
  max-width: 100%;
  display: block;
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  font-family: var(--font-body);
  border: none;
  outline: none;
}

input, textarea, select {
  font-family: var(--font-body);
  outline: none;
  border: none;
}

/* ---------- Utility Classes ---------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.section {
  padding: var(--space-5xl) 0;
}

.section-sm {
  padding: var(--space-3xl) 0;
}

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

.text-center {
  text-align: center;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-header h2 {
  font-size: var(--fs-3xl);
  margin-bottom: var(--space-md);
}

.section-header p {
  font-size: var(--fs-md);
  max-width: 600px;
  margin: 0 auto;
}

/* ---------- Animated Background ---------- */
.bg-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.bg-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
  animation: orbFloat 20s ease-in-out infinite;
}

.bg-orb--cyan {
  width: 400px;
  height: 400px;
  background: var(--accent-cyan-glow);
  top: 10%;
  left: 5%;
}

.bg-orb--purple {
  width: 500px;
  height: 500px;
  background: var(--accent-purple-glow);
  top: 50%;
  right: 5%;
  animation-delay: -10s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(30px, -30px) scale(1.05); }
  50% { transform: translate(-20px, 20px) scale(0.95); }
  75% { transform: translate(10px, 10px) scale(1.02); }
}

/* ---------- Navigation ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  background: rgba(10, 14, 39, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  transition: background var(--transition-base);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-size: var(--fs-xl);
  font-weight: 800;
  color: var(--text-primary);
}

.nav-logo .logo-icon {
  width: 38px;
  height: 38px;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-lg);
  font-weight: 800;
  color: #fff;
}

.nav-logo span {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-links a {
  color: var(--text-secondary);
  font-size: var(--fs-sm);
  font-weight: 500;
  letter-spacing: 0.3px;
  position: relative;
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
}

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

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

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

.nav-cta {
  padding: 10px 24px !important;
  background: var(--gradient-primary);
  border-radius: var(--radius-xl);
  color: #fff !important;
  font-weight: 600 !important;
  font-size: var(--fs-sm) !important;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast) !important;
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-cyan);
}

/* Mobile Nav Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition-base);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

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

.hero .container {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: var(--space-3xl);
}

.hero-content {
  flex: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 8px 18px;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.15);
  border-radius: var(--radius-xl);
  font-size: var(--fs-sm);
  color: var(--accent-cyan);
  font-weight: 500;
  margin-bottom: var(--space-xl);
  animation: fadeInUp 0.6s ease;
}

.hero-badge .pulse {
  width: 8px;
  height: 8px;
  background: var(--accent-cyan);
  border-radius: var(--radius-full);
  animation: pulse 2s ease infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.hero h1 {
  font-size: var(--fs-5xl);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--space-xl);
  animation: fadeInUp 0.6s ease 0.1s both;
}

.hero p {
  font-size: var(--fs-lg);
  max-width: 540px;
  margin-bottom: var(--space-2xl);
  animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-buttons {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  animation: fadeInUp 0.6s ease 0.3s both;
}

.hero-visual {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-3d {
  width: 400px;
  height: 400px;
  position: relative;
}

.hero-3d .cube {
  width: 100%;
  height: 100%;
  border: 2px solid rgba(0, 212, 255, 0.15);
  border-radius: var(--radius-xl);
  background: var(--gradient-card);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 100px;
  animation: cubeRotate 15s ease-in-out infinite;
  position: relative;
  overflow: hidden;
}

.hero-3d .cube::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: conic-gradient(from 0deg, transparent, var(--accent-cyan-glow), transparent, var(--accent-purple-glow), transparent);
  animation: cubeGlow 8s linear infinite;
}

.hero-3d .cube-inner {
  position: relative;
  z-index: 1;
}

@keyframes cubeRotate {
  0%, 100% { transform: perspective(600px) rotateY(0deg) rotateX(0deg); }
  25% { transform: perspective(600px) rotateY(5deg) rotateX(3deg); }
  50% { transform: perspective(600px) rotateY(-5deg) rotateX(-3deg); }
  75% { transform: perspective(600px) rotateY(3deg) rotateX(5deg); }
}

@keyframes cubeGlow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

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

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 14px 32px;
  font-size: var(--fs-sm);
  font-weight: 600;
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
  letter-spacing: 0.3px;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 4px 20px var(--accent-cyan-glow);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px var(--accent-cyan-glow);
  color: #fff;
}

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

.btn-secondary:hover {
  background: rgba(0, 212, 255, 0.05);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateY(-3px);
}

.btn-sm {
  padding: 10px 22px;
  font-size: var(--fs-xs);
}

/* ---------- Cards (Glass) ---------- */
.card {
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.card:hover {
  background: var(--bg-glass-hover);
  border-color: var(--border-glow);
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.card:hover::before {
  transform: scaleX(1);
}

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--gradient-card);
  border: 1px solid var(--border-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: var(--space-lg);
}

.card h3 {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-sm);
}

.card p {
  font-size: var(--fs-sm);
  line-height: 1.7;
}

/* Cards Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.cards-grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

/* ---------- Topics / Feature Cards ---------- */
.topic-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.topic-card:hover {
  background: var(--bg-glass-hover);
  border-color: var(--border-glow);
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.topic-card .topic-icon {
  font-size: 48px;
  margin-bottom: var(--space-lg);
  display: block;
}

.topic-card h3 {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-sm);
}

.topic-card .tag {
  display: inline-block;
  padding: 4px 12px;
  font-size: var(--fs-xs);
  font-weight: 600;
  border-radius: var(--radius-xl);
  margin-top: var(--space-md);
}

.tag-beginner {
  background: rgba(0, 212, 255, 0.1);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 212, 255, 0.2);
}

.tag-intermediate {
  background: rgba(123, 47, 247, 0.1);
  color: var(--accent-purple);
  border: 1px solid rgba(123, 47, 247, 0.2);
}

.tag-advanced {
  background: rgba(247, 47, 255, 0.1);
  color: var(--accent-pink);
  border: 1px solid rgba(247, 47, 255, 0.2);
}

/* ---------- Stats Section ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

.stat-item {
  text-align: center;
  padding: var(--space-2xl);
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
}

.stat-item .stat-number {
  font-family: var(--font-heading);
  font-size: var(--fs-3xl);
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-item .stat-label {
  font-size: var(--fs-sm);
  color: var(--text-muted);
  margin-top: var(--space-xs);
}

/* ---------- Newsletter ---------- */
.newsletter {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl);
  text-align: center;
}

.newsletter h2 {
  font-size: var(--fs-2xl);
  margin-bottom: var(--space-md);
}

.newsletter p {
  margin-bottom: var(--space-xl);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.newsletter-form {
  display: flex;
  gap: var(--space-md);
  max-width: 500px;
  margin: 0 auto;
}

.newsletter-form input {
  flex: 1;
  padding: 14px 20px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  color: var(--text-primary);
  font-size: var(--fs-sm);
  transition: border-color var(--transition-fast);
}

.newsletter-form input::placeholder {
  color: var(--text-muted);
}

.newsletter-form input:focus {
  border-color: var(--accent-cyan);
}

/* ---------- Footer ---------- */
.footer {
  position: relative;
  z-index: 1;
  background: rgba(10, 14, 39, 0.95);
  border-top: 1px solid var(--border-color);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

.footer-brand p {
  margin-top: var(--space-md);
  font-size: var(--fs-sm);
  max-width: 280px;
}

.footer-col h4 {
  font-size: var(--fs-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--space-lg);
  color: var(--text-primary);
}

.footer-col ul li {
  margin-bottom: var(--space-sm);
}

.footer-col ul li a {
  font-size: var(--fs-sm);
  color: var(--text-muted);
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.footer-col ul li a:hover {
  color: var(--accent-cyan);
  padding-left: 4px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border-color);
  font-size: var(--fs-xs);
  color: var(--text-muted);
}

.footer-bottom .ad-disclosure {
  color: var(--text-muted);
  font-size: var(--fs-xs);
  max-width: 400px;
}

/* ---------- Cookie Consent Banner ---------- */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  z-index: 9999;
  background: rgba(15, 20, 53, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--border-glow);
  padding: var(--space-xl) 0;
  transform: translateY(100%);
  transition: transform var(--transition-slow);
  box-shadow: 0 -4px 30px rgba(0, 0, 0, 0.5);
}

.cookie-banner.visible {
  transform: translateY(0);
}

.cookie-banner .container {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.cookie-text {
  flex: 1;
}

.cookie-text h4 {
  font-size: var(--fs-base);
  margin-bottom: var(--space-xs);
}

.cookie-text p {
  font-size: var(--fs-sm);
  color: var(--text-muted);
}

.cookie-text a {
  color: var(--accent-cyan);
  text-decoration: underline;
}

.cookie-buttons {
  display: flex;
  gap: var(--space-sm);
  flex-shrink: 0;
}

.cookie-btn {
  padding: 10px 22px;
  font-size: var(--fs-sm);
  font-weight: 600;
  border-radius: var(--radius-xl);
  transition: all var(--transition-fast);
}

.cookie-btn-accept {
  background: var(--gradient-primary);
  color: #fff;
}

.cookie-btn-accept:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-cyan);
}

.cookie-btn-reject {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.cookie-btn-reject:hover {
  border-color: var(--border-glow);
  color: var(--text-primary);
}

.cookie-btn-settings {
  background: transparent;
  color: var(--accent-cyan);
  padding: 10px 16px;
}

.cookie-btn-settings:hover {
  text-decoration: underline;
}

/* Cookie Preferences Modal */
.cookie-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.cookie-modal-overlay.visible {
  opacity: 1;
  pointer-events: auto;
}

.cookie-modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  max-width: 520px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  padding: var(--space-2xl);
}

.cookie-modal h3 {
  font-size: var(--fs-xl);
  margin-bottom: var(--space-lg);
}

.cookie-option {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--border-color);
}

.cookie-option:last-of-type {
  border-bottom: none;
}

.cookie-option-info h4 {
  font-size: var(--fs-sm);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.cookie-option-info p {
  font-size: var(--fs-xs);
  color: var(--text-muted);
}

/* Toggle Switch */
.toggle {
  position: relative;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}

.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.toggle-slider::before {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  background: #fff;
  border-radius: 50%;
  transition: var(--transition-fast);
}

.toggle input:checked + .toggle-slider {
  background: var(--accent-cyan);
}

.toggle input:checked + .toggle-slider::before {
  transform: translateX(20px);
}

.toggle input:disabled + .toggle-slider {
  opacity: 0.5;
  cursor: not-allowed;
}

.cookie-modal-actions {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

/* ---------- Page Header (for inner pages) ---------- */
.page-header {
  padding: calc(var(--nav-height) + var(--space-3xl)) 0 var(--space-3xl);
  background: var(--gradient-hero);
  text-align: center;
  position: relative;
}

.page-header h1 {
  font-size: var(--fs-3xl);
  margin-bottom: var(--space-md);
}

.page-header p {
  font-size: var(--fs-md);
  max-width: 600px;
  margin: 0 auto;
}

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-size: var(--fs-sm);
  color: var(--text-muted);
  margin-bottom: var(--space-xl);
}

.breadcrumb a {
  color: var(--text-muted);
}

.breadcrumb a:hover {
  color: var(--accent-cyan);
}

.breadcrumb .separator {
  color: var(--text-muted);
}

/* ---------- Legal Pages ---------- */
.legal-content {
  position: relative;
  z-index: 1;
}

.legal-content .container {
  max-width: 800px;
}

.legal-content h2 {
  font-size: var(--fs-xl);
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--border-color);
}

.legal-content h3 {
  font-size: var(--fs-lg);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
}

.legal-content p {
  margin-bottom: var(--space-md);
  font-size: var(--fs-sm);
  line-height: 1.8;
}

.legal-content ul {
  margin-bottom: var(--space-md);
  padding-left: var(--space-xl);
}

.legal-content ul li {
  list-style: disc;
  font-size: var(--fs-sm);
  margin-bottom: var(--space-sm);
  line-height: 1.7;
  color: var(--text-secondary);
}

.legal-content .last-updated {
  font-size: var(--fs-sm);
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: var(--space-xl);
}

/* ---------- Contact Form ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-group label {
  display: block;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--fs-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px var(--accent-cyan-glow);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.contact-info-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.contact-info-item:last-child {
  margin-bottom: 0;
}

.contact-info-icon {
  width: 44px;
  height: 44px;
  background: var(--gradient-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.contact-info-item h4 {
  font-size: var(--fs-sm);
  font-weight: 600;
  margin-bottom: 2px;
}

.contact-info-item p {
  font-size: var(--fs-sm);
  color: var(--text-muted);
}

/* ---------- FAQ Accordion ---------- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item:hover {
  border-color: var(--border-glow);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) var(--space-xl);
  background: transparent;
  color: var(--text-primary);
  font-size: var(--fs-base);
  font-weight: 600;
  text-align: left;
  transition: color var(--transition-fast);
}

.faq-question .icon {
  font-size: var(--fs-lg);
  transition: transform var(--transition-base);
  color: var(--accent-cyan);
}

.faq-item.active .faq-question .icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
}

.faq-answer-inner {
  padding: 0 var(--space-xl) var(--space-lg);
  font-size: var(--fs-sm);
  line-height: 1.8;
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

/* ---------- About Page ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.about-visual {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl);
  text-align: center;
  font-size: 80px;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.value-card {
  text-align: center;
  padding: var(--space-2xl);
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.value-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-5px);
}

.value-card .value-icon {
  font-size: 40px;
  margin-bottom: var(--space-md);
  display: block;
}

.value-card h3 {
  font-size: var(--fs-base);
  margin-bottom: var(--space-sm);
}

.value-card p {
  font-size: var(--fs-sm);
}

/* ---------- Learn Page ---------- */
.learning-path {
  position: relative;
}

.learning-path::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-cyan), var(--accent-purple));
  border-radius: 1px;
}

.path-item {
  display: flex;
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
  position: relative;
}

.path-number {
  width: 56px;
  height: 56px;
  background: var(--bg-primary);
  border: 2px solid var(--accent-cyan);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--accent-cyan);
  flex-shrink: 0;
  z-index: 1;
}

.path-content {
  flex: 1;
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-base);
}

.path-content:hover {
  border-color: var(--border-glow);
  background: var(--bg-glass-hover);
}

.path-content h3 {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-sm);
}

.path-content p {
  font-size: var(--fs-sm);
  margin-bottom: var(--space-md);
}

.path-topics {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.path-topic-tag {
  padding: 4px 12px;
  font-size: var(--fs-xs);
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.15);
  border-radius: var(--radius-xl);
  color: var(--accent-cyan);
}

/* ---------- Scroll Animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Responsive Design ---------- */
@media (max-width: 1024px) {
  :root {
    --fs-5xl: 3rem;
    --fs-4xl: 2.5rem;
    --fs-3xl: 2rem;
  }

  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }

  .hero .container {
    flex-direction: column;
    text-align: center;
  }

  .hero p {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-3d {
    width: 300px;
    height: 300px;
  }

  .stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .values-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --fs-5xl: 2.25rem;
    --fs-4xl: 2rem;
    --fs-3xl: 1.75rem;
    --fs-2xl: 1.5rem;
  }

  .container {
    padding: 0 var(--space-md);
  }

  .section {
    padding: var(--space-3xl) 0;
  }

  /* Mobile Nav */
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    width: 100%;
    flex-direction: column;
    background: rgba(10, 14, 39, 0.98);
    backdrop-filter: blur(20px);
    padding: var(--space-xl);
    gap: var(--space-md);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    border-bottom: 1px solid var(--border-color);
  }

  .nav-links.open {
    transform: translateX(0);
  }

  .cards-grid {
    grid-template-columns: 1fr;
  }

  .cards-grid-2 {
    grid-template-columns: 1fr;
  }

  .stats {
    grid-template-columns: 1fr 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }

  .newsletter-form {
    flex-direction: column;
  }

  .hero-3d {
    width: 250px;
    height: 250px;
  }

  /* Cookie Banner Mobile */
  .cookie-banner .container {
    flex-direction: column;
    text-align: center;
  }

  .cookie-buttons {
    flex-wrap: wrap;
    justify-content: center;
  }

  .values-grid {
    grid-template-columns: 1fr;
  }

  .learning-path::before {
    display: none;
  }

  .path-item {
    flex-direction: column;
  }

  .path-number {
    width: 44px;
    height: 44px;
    font-size: var(--fs-base);
  }
}

@media (max-width: 480px) {
  :root {
    --fs-5xl: 1.875rem;
    --fs-4xl: 1.625rem;
  }

  .hero-3d {
    width: 200px;
    height: 200px;
  }

  .hero-3d .cube {
    font-size: 60px;
  }

  .stat-item .stat-number {
    font-size: var(--fs-2xl);
  }
}