:root{
  --bg:#0b1220;
  --card:#121a2b;
  --muted:#9fb0d0;
  --text:#eef4ff;
  --accent:#73c8b5;
  --accent2:#7aa7ff;
  --border:rgba(255,255,255,.08);
  --max:900px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  line-height:1.65;
  background:linear-gradient(180deg,#0b1220 0%,#0e1627 100%);
  color:var(--text);
}
a{color:#9fd8ff;text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:var(--max);margin:0 auto;padding:24px}
.hero{
  padding:48px 24px 20px;
}
.hero-card,.card{
  background:rgba(18,26,43,.88);
  border:1px solid var(--border);
  border-radius:22px;
  box-shadow:0 10px 35px rgba(0,0,0,.25);
}
.hero-card{padding:28px}
.badge{
  display:inline-block;
  padding:6px 10px;
  border-radius:999px;
  background:rgba(115,200,181,.12);
  color:#b8f0e3;
  border:1px solid rgba(115,200,181,.25);
  font-size:.9rem;
  margin-bottom:14px;
}
h1,h2,h3{line-height:1.2}
h1{font-size:clamp(2rem,5vw,3rem);margin:.2rem 0 1rem}
h2{font-size:1.5rem;margin-top:2rem}
p,li{color:var(--text)}
.muted{color:var(--muted)}
.grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  gap:16px;
  margin-top:20px;
}
.card{padding:20px}
.btns{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.btn{
  display:inline-block;
  padding:12px 16px;
  border-radius:14px;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  color:#07111f;
  font-weight:700;
}
.btn.secondary{
  background:transparent;
  color:var(--text);
  border:1px solid var(--border);
}
main .doc{
  background:rgba(18,26,43,.92);
  border:1px solid var(--border);
  border-radius:22px;
  padding:28px;
}
.doc h1{font-size:2rem}
.doc h2{border-top:1px solid var(--border); padding-top:18px}
.meta{
  color:var(--muted);
  margin-bottom:18px;
}
.footer{
  color:var(--muted);
  font-size:.95rem;
  padding:24px 0 40px;
}
code.inline{
  background:rgba(255,255,255,.08);
  padding:2px 6px;
  border-radius:8px;
}
ol.steps li{margin:10px 0}
hr{border:none;border-top:1px solid var(--border);margin:20px 0}