:root{
  --bg:#0b0d12; --panel:#121624; --text:#e9ecf1; --muted:#a8b0c0;
  --line:#242a3a; --accent:#7dd3fc; --accent2:#a78bfa;
  --btn:#1b2233;
  --max: 1050px;
  color-scheme: dark;
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial; background:linear-gradient(180deg,var(--bg),#070912); color:var(--text);}
a{color:inherit}
code{background:#0a0e1b;border:1px solid var(--line); padding:.1rem .35rem;border-radius:.4rem}
.container{max-width:var(--max); margin:0 auto; padding:18px}
.topbar{
  position:sticky; top:0; z-index:10;
  background:rgba(11,13,18,.75); backdrop-filter: blur(10px);
  border-bottom:1px solid var(--line);
  display:flex; align-items:center; justify-content:space-between;
  padding:12px 18px;
}
.brand{font-weight:800; text-decoration:none; letter-spacing:.2px}
.nav{display:flex; gap:14px; align-items:center}
.nav a{opacity:.9; text-decoration:none}
.nav a:hover{opacity:1}
.cta{
  padding:8px 12px; border-radius:10px;
  border:1px solid var(--line); background:linear-gradient(90deg,var(--btn),#141a2a);
}
.hero{padding:34px 0 10px}
.hero h1{font-size:42px; margin:0 0 10px}
.sub{color:var(--muted); font-size:16px; max-width:60ch}
.hero-actions{display:flex; gap:10px; margin:16px 0 10px; flex-wrap:wrap}
.button{
  display:inline-block; padding:10px 14px; border-radius:12px;
  border:1px solid var(--line); background:linear-gradient(90deg,var(--btn),#141a2a);
  text-decoration:none;
}
.button.primary{border-color:#2b3757; box-shadow:0 0 0 1px rgba(125,211,252,.2) inset}
.chips{display:flex; gap:8px; flex-wrap:wrap; margin-top:10px}
.chip{border:1px solid var(--line); padding:6px 10px; border-radius:999px; color:var(--muted)}
.grid{display:grid; grid-template-columns:repeat(3,1fr); gap:14px; margin:18px 0}
.card{
  background:linear-gradient(180deg,var(--panel),#0e1220);
  border:1px solid var(--line);
  border-radius:16px;
  padding:16px;
  box-shadow:0 10px 30px rgba(0,0,0,.25);
}
.card h2,.card h3{margin:0 0 10px}
.muted{color:var(--muted)}
.codebox{position:relative; border:1px solid var(--line); border-radius:14px; overflow:hidden; background:#070a12}
pre{margin:0; padding:14px; overflow:auto}
.copy{
  position:absolute; top:10px; right:10px;
  padding:6px 10px; border-radius:10px;
  border:1px solid var(--line); background:#0b1020; color:var(--text);
  cursor:pointer; opacity:.9;
}
.copy:hover{opacity:1}
.tablewrap{overflow:auto; border:1px solid var(--line); border-radius:14px}
table{width:100%; border-collapse:collapse; min-width:680px; background:#070a12}
th,td{padding:10px; border-bottom:1px solid var(--line); vertical-align:top}
th{text-align:left; color:var(--muted); font-weight:650}
.footer{border-top:1px solid var(--line); margin-top:24px; padding:18px 0; color:var(--muted)}
.footer-inner{display:flex; gap:10px; align-items:center}
.sep{opacity:.5}
@media (max-width: 900px){
  .grid{grid-template-columns:1fr}
  .hero h1{font-size:34px}
}