:root {
  --bg: #0F0F0F;
  --surface: #1A1A1A;
  --surface-2: #242424;
  --fg: #F5F5F5;
  --fg-muted: #A0A0A0;
  --accent: #FF6B35;
  --accent-2: #0D9488;
  --border: #2A2A2A;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Navbar */
.navbar {
  padding: 20px 40px;
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: -0.5px;
}
.nav-tag {
  font-size: 12px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 2px;
}

/* Section Base */
.section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}
.section-eyebrow {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 16px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 5vw, 42px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.5px;
}

/* Hero */
.hero {
  padding: 80px 40px 100px;
  border-bottom: 1px solid var(--border);
}
.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 28px;
}
.eyebrow-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 64px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
}
.hero-sub {
  font-size: 18px;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 480px;
  margin-bottom: 36px;
}
.hero-badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.badge {
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 8px 16px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  color: var(--fg-muted);
}

/* Phone Mockup */
.hero-right {
  display: flex;
  justify-content: center;
}
.phone-mockup {
  width: 280px;
  background: #111;
  border-radius: 36px;
  padding: 12px;
  border: 1px solid #333;
  box-shadow: 0 0 80px rgba(255, 107, 53, 0.1);
}
.mockup-screen {
  background: #1a1a1a;
  border-radius: 28px;
  padding: 20px 16px;
}
.mockup-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.mockup-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}
.mockup-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--fg);
}
.video-placeholder {
  background: linear-gradient(135deg, #1e2a35, #0d2137);
  border-radius: 16px;
  height: 160px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 16px;
}
.play-icon {
  font-size: 28px;
  color: var(--accent);
}
.video-label {
  font-size: 11px;
  color: var(--fg-muted);
  text-align: center;
  line-height: 1.4;
}
.video-label span { font-size: 10px; color: var(--accent-2); }
.mockup-interactions {
  display: flex;
  gap: 16px;
  padding: 0 4px;
}
.interact {
  font-size: 11px;
  color: var(--fg-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}
.interact .icon { font-size: 13px; }

/* Curriculum */
.curriculum {
  padding: 100px 40px;
  border-bottom: 1px solid var(--border);
}
.curriculum .section-header {
  margin-bottom: 60px;
}
.curriculum-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.curriculum-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px;
  display: flex;
  gap: 20px;
  transition: border-color 0.2s;
}
.curriculum-card:hover { border-color: #404040; }
.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}
.card-content h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}
.card-content p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* Proof */
.proof {
  padding: 80px 40px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.proof-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 60px;
  margin-bottom: 60px;
}
.stat-number {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label {
  font-size: 14px;
  color: var(--fg-muted);
}
.stat-divider {
  width: 1px;
  height: 60px;
  background: var(--border);
}
.proof-quote {
  text-align: center;
  font-size: 20px;
  color: var(--fg-muted);
  font-style: italic;
  max-width: 600px;
  margin: 0 auto 16px;
  line-height: 1.6;
}
.proof-attr {
  text-align: center;
  font-size: 13px;
  color: var(--fg-muted);
}

/* Philosophy */
.philosophy {
  padding: 100px 40px;
  border-bottom: 1px solid var(--border);
}
.philosophy-inner {
  max-width: 860px;
  margin: 0 auto;
}
.philosophy-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--accent-2);
  font-weight: 600;
  margin-bottom: 16px;
}
.philosophy-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 60px;
}
.philosophy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px 60px;
}
.philosophy-item {
  display: flex;
  gap: 20px;
}
.philosophy-num {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.6;
  flex-shrink: 0;
  width: 28px;
}
.philosophy-item h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}
.philosophy-item p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* Closing */
.closing {
  padding: 100px 40px;
  border-bottom: 1px solid var(--border);
}
.closing-inner {
  text-align: center;
}
.closing-tag {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--fg-muted);
  margin-bottom: 24px;
}
.closing-headline {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 20px;
  line-height: 1.1;
}
.closing-sub {
  font-size: 18px;
  color: var(--fg-muted);
}

/* Footer */
.footer {
  padding: 48px 40px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  color: var(--accent);
}
.footer-tagline {
  font-size: 13px;
  color: var(--fg-muted);
  margin-top: 4px;
}
.footer-links {
  display: flex;
  gap: 24px;
}
.footer-links a {
  font-size: 14px;
  color: var(--fg-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--fg); }
.footer-copy {
  font-size: 12px;
  color: #555;
}

/* Mobile */
@media (max-width: 768px) {
  .navbar { padding: 16px 20px; }
  .nav-tag { display: none; }
  .hero { padding: 60px 20px 80px; }
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-right { order: -1; }
  .phone-mockup { width: 220px; }
  .curriculum { padding: 70px 20px; }
  .curriculum-grid { grid-template-columns: 1fr; }
  .proof { padding: 60px 20px; }
  .proof-stats { flex-direction: column; gap: 30px; }
  .stat-divider { width: 60px; height: 1px; }
  .proof-quote { font-size: 17px; }
  .philosophy { padding: 70px 20px; }
  .philosophy-grid { grid-template-columns: 1fr; }
  .closing { padding: 70px 20px; }
  .footer { padding: 36px 20px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .hero-headline { font-size: 36px; }
  .section-title { font-size: 26px; }
  .closing-headline { font-size: 28px; }
  .curriculum-card { flex-direction: column; }
  .stat-number { font-size: 38px; }
}