:root{
  --brand-1: #00D2FF;
  --brand-2: #3A7BD5;
  --bg-0:#0b0f14;
  --bg-1:#101827;
  --text:#e6eefc;
  --muted:#a9b6cc;
  --card:rgba(255,255,255,.06);
  --border:rgba(255,255,255,.10);
  --radius:16px;
  --shadow:0 10px 32px rgba(0,0,0,.45);
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  color:var(--text);
  background:radial-gradient(1200px 800px at 20% 10%,#0e1625,var(--bg-0)) fixed,
             radial-gradient(1200px 900px at 80% 70%,#0b1220,var(--bg-1)) fixed;
  font:16px/1.65 Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial;
}
a{color:inherit;text-decoration:none}
.container{max-width:1060px;margin:0 auto;padding:28px 18px 42px}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:14px}
.brand{display:flex;align-items:center;gap:12px}
.brand svg{width:36px;height:36px;filter:drop-shadow(0 8px 18px rgba(0,0,0,.45))}
.brand-name{font-weight:900;letter-spacing:.3px;font-size:18px}
.badge{background:linear-gradient(135deg,var(--brand-1),var(--brand-2));color:#0b0f14;padding:8px 12px;border-radius:999px;font-weight:800}
.hero{margin-top:26px}
.h1{font-size:clamp(28px,3.2vw,48px);line-height:1.06;margin:0 0 8px;font-weight:900;letter-spacing:.2px}
.sub{color:var(--muted);margin:8px 0 18px}
.panel{background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.04));border:1px solid var(--border);border-radius:var(--radius);backdrop-filter:blur(10px);box-shadow:var(--shadow);padding:22px;margin:18px 0}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
h2{font-size:22px;margin:8px 0 10px}
h3{font-size:18px;margin:10px 0 6px}
ul{margin:0;padding-left:18px}
li{margin:4px 0}
code,.kbd{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:8px;padding:0 6px;display:inline-block}
hr{border:none;border-top:1px solid rgba(255,255,255,.08);margin:24px 0}
footer{margin-top:28px;display:flex;align-items:center;justify-content:space-between;gap:12px;color:#a3b0c2;padding-top:12px;border-top:1px solid rgba(255,255,255,.08)}
footer a{text-decoration:underline;text-underline-offset:3px}
.small{font-size:12px;color:#98a6be}
@media (max-width:900px){.grid2,.grid3{grid-template-columns:1fr}}