:root{
  --bg:#0b1020; --card:#121a33; --text:#eef2ff; --muted:#b8c0ff;
  --accent:#6ea8fe; --accent2:#8a5cf6; --border:rgba(255,255,255,.10);
}
*{box-sizing:border-box}
body{
  margin:0; font-family: -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Arial,sans-serif;
  background: radial-gradient(1200px 600px at 20% -10%, rgba(110,168,254,.35), transparent 60%),
              radial-gradient(900px 500px at 95% 0%, rgba(138,92,246,.30), transparent 55%),
              var(--bg);
  color:var(--text);
}
a{color:var(--accent); text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:980px; margin:0 auto; padding:28px 18px 56px}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  border:1px solid var(--border); background:rgba(18,26,51,.55);
  padding:14px 16px; border-radius:16px; backdrop-filter: blur(10px);
  position: sticky; top: 14px;
}
.brand{display:flex; gap:10px; align-items:center; font-weight:700; letter-spacing:.2px}
.logo{
  width:34px; height:34px; border-radius:12px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 10px 30px rgba(110,168,254,.25);
}
.menu{display:flex; gap:14px; flex-wrap:wrap; justify-content:flex-end}
.menu a{color:var(--text); opacity:.9; font-weight:600; font-size:14px}
.hero{padding:40px 0 22px}
.kicker{color:var(--muted); font-weight:700; letter-spacing:.12em; text-transform:uppercase; font-size:12px}
h1{margin:10px 0 10px; font-size:40px; line-height:1.12}
.sub{max-width:720px; color:rgba(238,242,255,.84); font-size:16px; line-height:1.6}
.grid{display:grid; grid-template-columns: repeat(12, 1fr); gap:14px; margin-top:22px}
.card{
  grid-column: span 6;
  border:1px solid var(--border); background:rgba(18,26,51,.55);
  border-radius:18px; padding:16px 16px 14px; backdrop-filter: blur(10px);
}
.card h3{margin:0 0 8px; font-size:16px}
.card p{margin:0; color:rgba(238,242,255,.82); line-height:1.6; font-size:14px}
.badge{
  display:inline-flex; align-items:center; gap:8px;
  font-weight:700; font-size:12px; padding:8px 10px;
  border:1px solid var(--border); border-radius:999px; background:rgba(255,255,255,.04);
}
.footer{
  margin-top:30px; padding-top:18px; border-top:1px solid var(--border);
  color:rgba(238,242,255,.70); font-size:13px; line-height:1.6;
}
.small{font-size:12px; color:rgba(238,242,255,.68)}
.page h2{margin:24px 0 10px; font-size:24px}
.page p, .page li{color:rgba(238,242,255,.84); line-height:1.7}
.page code{background:rgba(255,255,255,.06); padding:2px 6px; border-radius:8px; border:1px solid var(--border)}
@media (max-width: 840px){
  h1{font-size:32px}
  .card{grid-column: span 12}
  .menu{gap:10px}
}