:root{
  --brand:#0ea5e9; --brand-dark:#0369a1; --bg:#0b1220; --text:#e2e8f0; --muted:#94a3b8;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:linear-gradient(180deg,#0b1220 0%, #0a2238 100%);color:var(--text);font-family:Inter,system-ui,Segoe UI,Roboto,Arial,sans-serif}
a{color:inherit;text-decoration:none}
.container{max-width:1100px;margin:0 auto;padding:24px}
.nav{display:flex;align-items:center;justify-content:space-between;padding:18px 0}
.brand{display:flex;align-items:center;gap:12px;font-weight:700}
.brand .dot{width:12px;height:12px;border-radius:999px;background:var(--brand)}
.nav a{margin-left:18px;color:var(--muted)}
.nav a.active{color:var(--text)}
.hero{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:center;padding:40px 0}
.card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.06);border-radius:16px;padding:24px;box-shadow:0 8px 30px rgba(0,0,0,.3)}
.badge{display:inline-flex;align-items:center;gap:8px;font-size:12px;padding:8px 12px;background:rgba(14,165,233,.12);border:1px solid rgba(14,165,233,.4);border-radius:999px;color:#cfeefd}
h1{font-size:40px;line-height:1.1;margin:16px 0 10px}
p.lead{font-size:18px;color:var(--muted);margin:0 0 18px}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:10px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 18px;border-radius:10px;border:1px solid transparent;background:var(--brand);color:#081523;font-weight:700}
.btn:hover{background:var(--brand-dark);}
.btn.secondary{background:transparent;color:var(--text);border-color:rgba(255,255,255,.12)}
.section{padding:40px 0}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.feature{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.06);border-radius:12px;padding:18px}
footer{border-top:1px solid rgba(255,255,255,.08);margin-top:40px}
small,.muted{color:var(--muted)}
.img-card{overflow:hidden;border-radius:16px;border:1px solid rgba(255,255,255,.1);background:#0a1a2a;display:flex;align-items:center;justify-content:center;min-height:360px}
.img-card img{display:block;max-width:100%;height:auto}
.form{display:grid;gap:12px}
.input,textarea{width:100%;padding:12px 14px;border-radius:10px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.04);color:var(--text)}
.note{font-size:12px;color:var(--muted)}
@media(max-width:900px){
  .hero{grid-template-columns:1fr;gap:16px}
  .grid{grid-template-columns:1fr}
}