@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@500;700;800&family=Inter:wght@400;500;600;700&family=DM+Mono:wght@300;400;500&family=Instrument+Serif:ital@0;1&display=swap');

:root {
  --bg: #050711;
  --bg1: #08122a;
  --surface: rgba(212,175,55,0.04);
  --surface2: rgba(212,175,55,0.07);
  --border: rgba(212,175,55,0.22);
  --border2: rgba(212,175,55,0.38);
  --accent: #d4af37;
  --accent2: #0a203f;
  --accent3: #8fa7e3;
  --accent-light: #bcd7ff;
  --gold: #ffd166;
  --text: #faf5e4;
  --text2: #d4c9a0;
  --text3: #9e9070;
  --red: #ff6f3c;
  --font-display: 'Orbitron', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'DM Mono', monospace;
  --font-serif: 'Instrument Serif', serif;
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --glow: 0 0 40px rgba(212,175,55,0.6), 0 0 100px rgba(212,175,55,0.25);
  --glow2: 0 0 60px rgba(10, 28, 70, 0.18);
  --r: 12px;
  --r2: 20px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background-image:
    radial-gradient(circle at 12% 6%,  rgba(212,175,55,0.45), transparent 28%),
    radial-gradient(circle at 88% 10%, rgba(212,175,55,0.22), transparent 24%),
    radial-gradient(circle at 50% 52%, rgba(212,175,55,0.14), transparent 38%),
    radial-gradient(circle at 8%  88%, rgba(212,175,55,0.28), transparent 26%),
    radial-gradient(circle at 92% 80%, rgba(212,175,55,0.18), transparent 22%),
    radial-gradient(circle at 35% 35%, rgba(10,28,70,0.5),    transparent 30%),
    radial-gradient(circle at 70% 65%, rgba(10,28,70,0.4),    transparent 28%),
    linear-gradient(160deg, #0a0c20 0%, #080a1c 40%, #0c1230 100%);
  background-color: var(--bg);
  background-attachment: fixed;
  background-blend-mode: screen, screen, screen, screen, screen, normal, normal, normal;
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: hidden;
  cursor: none;
}
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background-image: radial-gradient(circle, rgba(212,175,55,0.22) 1px, transparent 1px);
  background-size: 120px 120px;
  opacity: 0.35;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { cursor: none; font-family: inherit; border: none; outline: none; background: none; }

#cursor { display: none !important; }
body { cursor: auto; }
button, a { cursor: pointer; }

.cursor-dot, .cursor-ring { display: none !important; }

#loader {
  position: fixed; inset: 0; z-index: 9998;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 24px;
  transition: opacity 0.5s, visibility 0.5s;
}
#loader.hidden { opacity: 0; visibility: hidden; }
.loader-logo {
  font-size: 1.4rem; font-weight: 800; letter-spacing: 0.3em;
  text-transform: uppercase; color: var(--text);
}
.loader-logo span, .nav-logo-text span, .gold-glow-text {
  background: linear-gradient(135deg, var(--accent), var(--gold) 40%, var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 12px rgba(212,175,55,0.35), 0 0 20px rgba(143,167,227,0.12);
}
.loader-bar {
  width: 200px; height: 2px;
  background: var(--border2); border-radius: 2px; overflow: hidden;
}
.loader-fill {
  height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent2));
  border-radius: 2px; animation: loaderAnim 1.8s var(--ease) forwards;
}
@keyframes loaderAnim { from { width: 0 } to { width: 100% } }
.loader-text {
  font-family: var(--font-mono); font-size: 0.72rem;
  color: var(--text2); letter-spacing: 0.1em;
}

nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 0 40px;
  height: 70px; display: flex; align-items: center;
  transition: all 0.3s var(--ease);
}
nav.scrolled {
  background: rgba(6,8,16,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  width: 100%; max-width: 1400px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
}
.nav-logo-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-radius: 8px; display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem; font-weight: 700; color: #fff;
  position: relative; overflow: hidden;
}
.nav-logo-icon::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, transparent 40%, rgba(255,255,255,0.2));
}
.nav-logo-text { font-size: 1rem; font-weight: 800; letter-spacing: 0.05em; }
.nav-logo-text span { background: linear-gradient(135deg, var(--accent), var(--gold) 40%, var(--accent-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; text-shadow: 0 0 12px rgba(212,175,55,0.35), 0 0 20px rgba(143,167,227,0.12); }
.nav-links { display: flex; gap: 4px; }
.nav-link {
  padding: 8px 16px; border-radius: 8px; font-size: 0.85rem;
  font-weight: 500; color: var(--text2); letter-spacing: 0.02em;
  transition: all 0.2s; position: relative;
}
.nav-link:hover, .nav-link.active {
  color: var(--gold);
  background: rgba(212,175,55,0.08);
}
.nav-link.active::after {
  content: ''; position: absolute; bottom: 4px; left: 50%; transform: translateX(-50%);
  width: 4px; height: 4px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 8px var(--gold);
}
.nav-cta {
  padding: 8px 20px; border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), #b8860b);
  font-size: 0.85rem; font-weight: 600; color: #000;
  transition: all 0.2s; box-shadow: 0 4px 20px rgba(212,175,55,0.35);
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 6px 30px rgba(212,175,55,0.38); }
.nav-mobile-btn { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.nav-mobile-btn span {
  display: block; width: 22px; height: 2px;
  background: var(--text2); border-radius: 2px; transition: all 0.3s;
}
.nav-mobile { display: none; }

.page { display: none; }
.page.active { display: block; animation: pageFadeIn 0.5s var(--ease); }
@keyframes pageFadeIn { from { opacity: 0; transform: translateY(12px) } to { opacity: 1; transform: none } }

.glass {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r2);
  backdrop-filter: blur(12px);
}
.glass2 {
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: var(--r2);
  backdrop-filter: blur(20px);
}

section {
  position: relative;
  overflow: hidden;
}
section::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 10% 10%, rgba(212,175,55,0.04), transparent 24%),
    radial-gradient(circle at 90% 5%, rgba(79,142,247,0.05), transparent 18%);
  opacity: 0.8;
  mix-blend-mode: overlay;
}
section > * {
  position: relative;
  z-index: 1;
}
.hero { background: linear-gradient(160deg, rgba(10,18,42,0.92) 0%, rgba(8,12,24,0.97) 60%, rgba(5,7,16,0.99) 100%); }
.stats-section,
.team-section,
.learn-topics,
.school-section,
.cta-section,
.quiz-section {
  background: linear-gradient(180deg, rgba(15,20,45,0.35), rgba(8,10,22,0.95));
  border-top: 1px solid rgba(212,175,55,0.2);
  border-bottom: 1px solid rgba(212,175,55,0.12);
  box-shadow: inset 0 0 80px rgba(0,0,0,0.15), inset 0 0 120px rgba(212,175,55,0.04);
}
.features-section,
.mission-section,
.team-lead-section {
  background: linear-gradient(180deg, rgba(5,8,16,0.92), rgba(10,26,60,0.18));
}
.about-hero,
.team-hero,
.learn-hero {
  background: linear-gradient(180deg, rgba(7,12,24,0.94), rgba(10,22,44,0.6));
}
.school-section { background: linear-gradient(180deg, rgba(10,23,48,0.18), rgba(5,7,16,0.88)); }
.team-lead-section { background: linear-gradient(180deg, rgba(5,8,15,0.94), rgba(10,23,52,0.22)); }
.quiz-section { background: linear-gradient(180deg, rgba(10,23,48,0.18), rgba(5,7,16,0.90)); }
.container { max-width: 1300px; margin: 0 auto; padding: 0 40px; }
.section-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--gold);
  background: rgba(212,175,55,0.18); border: 1px solid rgba(212,175,55,0.42);
  text-shadow: 0 0 12px rgba(212,175,55,0.5);
  padding: 5px 12px; border-radius: 100px; margin-bottom: 16px;
}
.section-label::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--gold); box-shadow: 0 0 8px var(--accent);
}
h1,h2,h3,h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.1; letter-spacing: 0.01em; text-shadow: 0 0 40px rgba(212,175,55,0.15); }
.section-title { font-size: clamp(2rem, 4vw, 3.2rem); letter-spacing: 0.03em; color: #f5ecc8; }
.section-subtitle { font-size: 1rem; color: #f5ecc8; line-height: 1.7; max-width: 500px; margin-top: 18px; }
.gradient-text {
  background: linear-gradient(135deg, var(--gold) 0%, #ffedc5 30%, var(--accent-light) 85%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 10px rgba(212,175,55,0.25), 0 0 16px rgba(143,167,227,0.12);
}
.gradient-text-gold {
  background: linear-gradient(135deg, var(--gold) 0%, #ffdd7f 35%, var(--accent-light) 95%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 12px rgba(212,175,55,0.35), 0 0 20px rgba(143,167,227,0.16);
}

.gold-glow-text {
  background: linear-gradient(135deg, var(--accent), var(--gold) 40%, var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 12px rgba(212,175,55,0.35), 0 0 18px rgba(143,167,227,0.15);
}

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; border-radius: 10px; font-size: 0.9rem;
  font-weight: 600; transition: all 0.25s var(--ease);
}
.btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--accent));
  color: #000; box-shadow: 0 4px 24px rgba(212,175,55,0.45);
}
.btn-primary:hover {
  transform: translateY(-2px); box-shadow: 0 8px 36px rgba(212,175,55,0.6);
}
.btn-ghost {
  border: 1px solid var(--border2); color: var(--text2);
  background: var(--surface);
}
.btn-ghost:hover { background: var(--surface2); color: var(--text); border-color: var(--accent); }
.btn svg { width: 16px; height: 16px; }

.stat-card {
  padding: 28px; text-align: center;
  transition: transform 0.3s var(--ease);
}
.stat-card:hover { transform: translateY(-4px); }
.stat-num {
  font-size: 3rem; font-weight: 800;
  background: linear-gradient(135deg, var(--gold), var(--accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  line-height: 1;
}
.stat-num span { color: var(--accent); -webkit-text-fill-color: var(--accent); }
.stat-label { font-size: 0.8rem; color: #c9a84c; margin-top: 6px; letter-spacing: 0.05em; }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg1); }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

.reveal {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

#particles-canvas {
  position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: 0.6;
}

footer {
  border-top: 1px solid rgba(212,175,55,0.25);
  padding: 60px 0 40px;
  position: relative; z-index: 1;
}
.footer-inner {
  max-width: 1300px; margin: 0 auto; padding: 0 40px;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 60px;
}
.footer-brand p { color: #c9b97a; font-size: 0.88rem; line-height: 1.7; margin-top: 12px; max-width: 260px; }
.footer-col h4 { font-size: 0.85rem; font-weight: 600; margin-bottom: 16px; letter-spacing: 0.05em; }
.footer-col a {
  display: block; font-size: 0.82rem; color: #b8a870; margin-bottom: 10px;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  max-width: 1300px; margin: 40px auto 0;
  padding: 24px 40px 0; border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  font-size: 0.8rem; color: var(--text3);
}
.footer-bottom span { color: var(--text2); }

@media (max-width: 900px) {
  .nav-links, .nav-cta { display: none; }
  .nav-mobile-btn { display: flex; }
  .nav-mobile.open {
    display: flex; flex-direction: column;
    position: fixed; inset: 70px 0 0 0;
    background: rgba(6,8,16,0.98);
    backdrop-filter: blur(20px);
    padding: 40px; gap: 8px; z-index: 99;
  }
  .nav-mobile .nav-link {
    font-size: 1.5rem; padding: 16px 0;
    border-bottom: 1px solid var(--border);
  }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 40px; }
  .container { padding: 0 20px; }
  nav { padding: 0 20px; }
}
@media (max-width: 600px) {
  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}