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

:root {
  --bg: #0b1020;
  --bg-soft: #121a33;
  --card: #12182a;
  --text: #e9eefb;
  --muted: #9aa7c7;
  --primary: #6aa7ff;
  --primary-600: #4b90ff;
  --accent: #7ef3cf;
  --danger: #ff6b6b;
  --radius: 14px;
  --radius-sm: 10px;
  --radius-lg: 20px;
  --shadow: 0 8px 30px rgba(0,0,0,.25);
  --grad: radial-gradient(1200px 600px at 20% 0%, rgba(74,143,255,.25), rgba(0,0,0,0)),
          radial-gradient(1200px 600px at 90% 0%, rgba(126,243,207,.2), rgba(0,0,0,0)),
          linear-gradient(180deg, #0b1020, #0b1020 60%, #0a0f1c 100%);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--grad), var(--bg);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
  width: 100%;
  max-width: 1120px;
  padding: 0 24px;
  margin: 0 auto;
}

.header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
  background: rgba(11,16,32,.6);
  border-bottom: 1px solid rgba(255,255,255,.06);
  z-index: 40;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: .2px;
}
.brand-badge {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #0a0f1c;
  font-weight: 800;
  box-shadow: var(--shadow);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
}
.nav-links a {
  color: var(--muted);
  padding: 10px 14px;
  border-radius: 10px;
  transition: .2s ease;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  background: rgba(255,255,255,.06);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 18px;
  border-radius: 12px;
  font-weight: 600;
  background: #1a2444;
  color: var(--text);
  border: 1px solid rgba(255,255,255,.06);
  transition: .2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-600));
  color: #0a0f1c;
  border: none;
}
.btn-ghost {
  background: rgba(255,255,255,.06);
  color: var(--text);
}

.hero {
  padding: 64px 0 48px;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 32px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 12px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--accent);
  background: rgba(126,243,207,.08);
  border: 1px solid rgba(126,243,207,.35);
  border-radius: 999px;
}
.hero h1 {
  margin: 16px 0 8px;
  font-size: 48px;
  line-height: 1.06;
}
.hero p {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 18px;
}
.cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 28px;
}
.stat {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.06);
  padding: 18px 16px;
  border-radius: var(--radius-sm);
  display: grid;
  gap: 4px;
  text-align: center;
}
.stat strong { font-size: 22px; }
.stat span { color: var(--muted); font-size: 13px; }

.cards {
  padding: 24px 0 72px;
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.card {
  background: var(--card);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: var(--radius);
  padding: 22px;
  display: grid;
  gap: 12px;
  transition: transform .2s ease, box-shadow .2s ease;
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.card h3 { margin: 0; font-size: 20px; }
.card p { margin: 0; color: var(--muted); }
.chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  font-size: 12px;
  border-radius: 999px;
  color: #0a0f1c;
  background: linear-gradient(135deg, var(--accent), #b8ffe8);
  font-weight: 700;
}

.section {
  padding: 56px 0;
}
.section h2 {
  margin: 0 0 12px;
  font-size: 32px;
}
.section p.lead {
  margin: 0 0 24px;
  color: var(--muted);
}

.levels {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.level {
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius);
  padding: 24px;
  display: grid;
  gap: 10px;
}
.level h3 { margin: 0; }
.level p { margin: 0; color: var(--muted); }

.footer {
  border-top: 1px solid rgba(255,255,255,.06);
  padding: 28px 0;
  color: var(--muted);
  background: rgba(11,16,32,.6);
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
}
.footer-links {
  display: flex;
  gap: 14px;
}
.footer a { color: var(--muted); }
.footer a:hover { color: var(--text); }

.mobile-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,.1);
  background: rgba(255,255,255,.06);
  color: var(--text);
}

@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; }
  .card-grid { grid-template-columns: 1fr; }
  .stat-row { grid-template-columns: repeat(3, 1fr); }
  .levels { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .nav-links { display: none; }
  .mobile-toggle { display: grid; place-items: center; }
  .stat-row { grid-template-columns: 1fr; }
}

.mobile-menu {
  display: none;
  position: absolute;
  inset: 72px 0 auto 0;
  background: rgba(11,16,32,.96);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.mobile-menu.open { display: block; }
.mobile-menu .container {
  padding: 14px 24px 18px;
  display: grid;
  gap: 8px;
}
.mobile-menu a {
  color: var(--muted);
  padding: 10px 14px;
  border-radius: 10px;
}
.mobile-menu a:hover { color: var(--text); background: rgba(255,255,255,.06); }