:root{
  --bg:#0b1220;
  --card:#111b2e;
  --text:#e8eefc;
  --muted:#b6c3e6;
  --line:rgba(255,255,255,.10);
  --accent:#6aa9ff;
  --accent2:#7cf0bd;
  --danger:#ff6a7a;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  --radius:16px;
}
*{ box-sizing:border-box; }
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1000px 600px at 20% 0%, #142043, transparent 60%),
              radial-gradient(900px 600px at 80% 0%, #0f3a2f, transparent 55%),
              var(--bg);
  color:var(--text);
  line-height:1.6;
}
a{ color:inherit; text-decoration:none; }
.container{ max-width:1100px; margin:0 auto; padding:24px; }
.nav{
  display:flex; gap:16px; align-items:center; justify-content:space-between;
  padding:14px 18px; border:1px solid var(--line); border-radius:var(--radius);
  background: rgba(17,27,46,.7); backdrop-filter: blur(10px);
}
.nav .brand{ font-weight:800; letter-spacing:.2px; }
.nav .links{ display:flex; gap:12px; flex-wrap:wrap; }
.nav .links a{ padding:8px 12px; border-radius:12px; border:1px solid transparent; }
.nav .links a:hover{ border-color:var(--line); background:rgba(255,255,255,.04); }
.hero{
  margin-top:18px; padding:24px; border-radius:var(--radius);
  border:1px solid var(--line); background: rgba(17,27,46,.55);
}
.hero h1{ margin:0 0 8px; font-size:32px; }
.hero p{ margin:0; color:var(--muted); max-width:70ch; }
.grid{ display:grid; gap:16px; grid-template-columns: repeat(12, 1fr); margin-top:16px; }
.card{
  grid-column: span 12;
  padding:18px; border:1px solid var(--line); border-radius:var(--radius);
  background: rgba(17,27,46,.6);
}
@media (min-width: 900px){
  .card.col-6{ grid-column: span 6; }
  .card.col-4{ grid-column: span 4; }
}
.badge{
  display:inline-block; padding:4px 10px; border-radius:999px;
  border:1px solid var(--line); color:var(--muted); font-size:13px;
}
.btn-row{ display:flex; gap:10px; flex-wrap:wrap; margin-top:12px; }
.btn{
  display:inline-block; padding:10px 14px; border-radius:14px;
  border:1px solid var(--line); background: rgba(255,255,255,.06);
  font-weight:700;
}
.btn:hover{ background: rgba(255,255,255,.10); }
.btn.primary{ border-color: rgba(106,169,255,.45); background: rgba(106,169,255,.15); }
.btn.ghost{ background: transparent; }
.section-title{ margin:0 0 8px; font-size:18px; }
.muted{ color:var(--muted); }
.kbd{
  font-family: var(--mono);
  padding:2px 8px; border:1px solid var(--line);
  border-radius:10px; background: rgba(255,255,255,.05);
}
pre{
  margin:12px 0; padding:14px; border-radius:14px;
  border:1px solid var(--line); background: rgba(0,0,0,.25);
  overflow:auto;
}
code{ font-family: var(--mono); }
details{
  border:1px solid var(--line);
  border-radius:14px;
  padding:10px 12px;
  background: rgba(255,255,255,.03);
  margin-top:10px;
}
details summary{ cursor:pointer; font-weight:800; }
hr{ border:none; border-top:1px solid var(--line); margin:18px 0; }
.footer{
  margin:22px 0 10px; color:var(--muted);
  font-size:13px; text-align:center;
}
ol.muted li{ margin:8px 0; }
ul.muted li{ margin:6px 0; }
.small{ font-size:13px; }