:root{
  --bg:#0b0f19;
  --text:#e8ecf1;
  --muted:#a5b0c2;
  --card:rgba(15,20,36,.85);
  --accent:#6ae3ff;
  --accent2:#b388ff;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0; font-family:Inter,system-ui,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  color:var(--text);
  background:
    radial-gradient(1200px 600px at 20% -10%, rgba(106,227,255,.15), transparent 60%),
    radial-gradient(1000px 600px at 100% 0%, rgba(179,136,255,.15), transparent 60%),
    var(--bg);
}
.container{max-width:1100px;margin:0 auto;padding:24px}
header{position:sticky; top:0; backdrop-filter:saturate(160%) blur(8px); background:#0b0f19bf; border-bottom:1px solid #1b243a; z-index:10}
.nav{display:flex;align-items:center;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.2px}
.logo{width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,var(--accent),var(--accent2));box-shadow:0 10px 30px rgba(106,227,255,.25)}
.spacer{flex:1}
nav a{color:var(--muted);text-decoration:none;font-weight:600;padding:10px 12px;border-radius:10px}
nav a:hover{color:var(--text);background:#121a30}
nav a.active{color:#041018;background:linear-gradient(90deg,var(--accent),var(--accent2));font-weight:800}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 16px;border-radius:14px;background:linear-gradient(90deg,var(--accent),var(--accent2));color:#041018;font-weight:800;text-decoration:none;box-shadow:0 8px 30px rgba(106,227,255,.35)}
.btn.secondary{background:#121a30;color:var(--text);border:1px solid #253252}
.hero{padding:76px 24px 48px}
h1{font-size: clamp(34px, 6vw, 62px); line-height:1.02; margin:0 0 14px; letter-spacing:-.02em}
.grad{background:linear-gradient(90deg,#ffffff,#c7eeff 30%,#d9ccff 60%,#ffffff);-webkit-background-clip:text;background-clip:text;color:transparent}
.sub{font-size:clamp(16px,2.6vw,22px);color:var(--muted);max-width:820px}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.stack{display:grid;grid-template-columns:repeat(12,1fr);gap:18px;margin-top:40px}
.card{grid-column:span 12;background:linear-gradient(180deg,rgba(255,255,255,.02),rgba(255,255,255,.0));border:1px solid #1e2944;border-radius:18px;padding:20px;box-shadow:0 10px 40px rgba(2,8,23,.35)}
.card h3{margin:0 0 10px;font-size:20px}
.kicker{font-size:12px;text-transform:uppercase;letter-spacing:.16em;color:#8aa0c4}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.pill{display:inline-block;padding:6px 10px;font-size:12px;border:1px solid #2a3a5f;border-radius:999px;background:#0e1527}
section{padding:24px}
.footer{padding:32px 24px;color:#8aa0c4}
hr{border:0;border-top:1px solid #1e2944;margin:18px 0}
ul{margin:8px 0 0 18px;padding:0}
li{margin:6px 0}
blockquote{margin:10px 0;padding:10px 14px;border-left:3px solid #2a3a5f;background:#0e1527;border-radius:8px;color:#c8d3e6}
@media (max-width:900px){
  .grid-3{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
}