:root{
  --bg:#0b1220;
  --card:#121b2e;
  --text:#e7eefc;
  --muted:#a9b7d0;
  --primary:#5b8cff;
  --border:rgba(255,255,255,.08);
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  background: radial-gradient(1200px 600px at 20% 0%, rgba(91,140,255,.18), transparent 60%),
              radial-gradient(900px 500px at 80% 20%, rgba(90,231,255,.10), transparent 60%),
              var(--bg);
  color:var(--text);
}
.container{
  width:min(920px, 92vw);
  margin:0 auto;
  padding:48px 0;
}
.hero{
  padding:28px;
  border:1px solid var(--border);
  border-radius:18px;
  background:rgba(18,27,46,.7);
  backdrop-filter: blur(8px);
}
.hero h1{margin:0 0 10px 0; font-size:38px}
.hero p{margin:0 0 18px 0; color:var(--muted); line-height:1.5}
.actions{display:flex; gap:12px; flex-wrap:wrap}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:10px 14px;
  border-radius:12px;
  border:1px solid var(--border);
  color:var(--text);
  text-decoration:none;
  background:rgba(255,255,255,.04);
}
.btn:hover{background:rgba(255,255,255,.07)}
.btn.primary{
  background:rgba(91,140,255,.18);
  border-color:rgba(91,140,255,.35);
}
.card{
  margin-top:18px;
  padding:22px;
  border:1px solid var(--border);
  border-radius:18px;
  background:rgba(18,27,46,.55);
}
.card h2{margin:0 0 10px 0}
.card ul{margin:0; padding-left:18px; color:var(--muted); line-height:1.7}
code{
  background:rgba(0,0,0,.25);
  padding:2px 6px;
  border-radius:8px;
  border:1px solid var(--border);
  color:var(--text);
}
.small{color:var(--muted); margin-top:16px}
.footer{margin-top:22px; color:var(--muted); font-size:14px; text-align:center}
a{color:var(--text)}