*{box-sizing:border-box}html{scroll-behavior:smooth}
:root{--bg:#ffffff;--fg:#0f172a;--muted:#475569;--brand:#0f3e8c;--accent:#f59e0b;--card:#f8fafc;--line:#e2e8f0}
[data-dark]{--bg:#0b1020;--fg:#e5e7eb;--muted:#cbd5e1;--brand:#7aa5ff;--accent:#ffd166;--card:#141b2f;--line:#243149}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.7 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}
.container{max-width:1100px;margin:auto;padding:24px}
.header{display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--bg);z-index:10}
.brand{display:flex;align-items:center;gap:12px}
.logo{width:56px;height:56px;border-radius:12px}
.brand-text{display:flex;flex-direction:column}
.brand-text strong{font-size:18px}
.brand-text span{font-size:12px;color:var(--muted)}
.nav{display:flex;gap:16px;align-items:center}
.nav a{padding:6px 10px;border-radius:8px}
.nav a:hover{background:var(--card)}
.menu{display:none;border:0;background:transparent;font-size:24px}
.hero{display:grid;grid-template-columns:1.2fr 1fr;gap:24px;align-items:center}
.hero h1{margin:0 0 8px;font-size:40px}
.subtitle{color:var(--muted);margin:0 0 16px}
.hero-cta{display:flex;gap:12px;margin-bottom:8px}
.btn{display:inline-block;padding:10px 16px;border:1px solid var(--fg);border-radius:12px}
.btn.primary{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn.ghost{background:transparent}
.btn.small{font-size:14px;padding:6px 10px}
.countdown{margin-top:8px;color:var(--accent);font-weight:600}
.video-placeholder{background:var(--card);border:2px dashed var(--line);height:240px;border-radius:12px;display:flex;align-items:center;justify-content:center;color:var(--muted);text-align:center;padding:12px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;list-style:none;padding:0;margin:0}
.grid3 li{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px}
.curriculum .weeks{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.curriculum .highlight{border:2px dashed var(--brand);background:transparent}
.curriculum .actions{margin-top:12px;display:flex;gap:12px;flex-wrap:wrap}
.pricing .plans{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.plan{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px}
.plan .price{font-size:22px;margin:8px 0;color:var(--brand)}
.plan.featured{border-color:var(--brand);box-shadow:0 6px 24px #0f3e8c1a}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px;margin-bottom:8px}
.cta{background:#fff7ed;border-top:1px solid #fed7aa;border-bottom:1px solid #fed7aa}
.apply-form{display:grid;gap:12px;max-width:720px}
.apply-form .row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.apply-form input,.apply-form textarea{width:100%;padding:10px;border:1px solid var(--line);border-radius:12px;background:var(--bg);color:var(--fg)}
.footer{background:var(--fg);color:#fff}
.footer .container{display:flex;align-items:center;justify-content:space-between}
@media (max-width: 1000px){
  .hero{grid-template-columns:1fr}
  .grid3{grid-template-columns:1fr 1fr}
  .curriculum .weeks{grid-template-columns:1fr 1fr}
  .pricing .plans{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}
  .nav{display:none}
  .menu{display:block}
}