:root{
  --bg:#0f1115;--panel:#171a21;--text:#eef2f7;--muted:#a8b0bf;--accent:#5865f2;
  --border:#2a2f3a;--ok:#2fbf71;--warn:#f3b33d;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  background:linear-gradient(180deg,#0b0d11,#11141a 35%,#0f1115);
  color:var(--text);line-height:1.6
}
a{color:#9aa6ff;text-decoration:none}
a:hover{text-decoration:underline}
header{
  position:sticky;top:0;z-index:10;background:rgba(15,17,21,.92);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--border)
}
.wrap{max-width:1100px;margin:0 auto;padding:0 24px}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:20px}
.brand{font-weight:800;font-size:1.15rem;letter-spacing:.2px}
.navlinks{display:flex;gap:18px;flex-wrap:wrap}
.hero{padding:84px 0 56px}
.hero h1{font-size:clamp(2.4rem,6vw,4.8rem);line-height:1.02;margin:0 0 18px}
.hero p{font-size:1.15rem;color:var(--muted);max-width:780px}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.btn{
  display:inline-block;padding:12px 18px;border-radius:12px;border:1px solid var(--border);
  background:var(--panel);color:var(--text);font-weight:700
}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:30px 0 70px}
.card{
  background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:22px;
  box-shadow:0 10px 35px rgba(0,0,0,.18)
}
.card h3{margin-top:0}
.section{padding:36px 0}
.page{padding:52px 0 72px}
.page h1{font-size:2.2rem;margin-bottom:8px}
.page h2{margin-top:34px}
.page p,.page li{color:#d6dbe5}
.note{
  padding:14px 16px;border:1px solid var(--border);background:#141821;border-radius:12px;color:var(--muted)
}
footer{border-top:1px solid var(--border);margin-top:60px;padding:30px 0;color:var(--muted)}
.small{font-size:.92rem;color:var(--muted)}
code{background:#161922;padding:2px 6px;border-radius:6px}
@media(max-width:800px){
  .grid{grid-template-columns:1fr}
  .nav{align-items:flex-start;padding:16px 0}
  .navlinks{gap:10px;font-size:.92rem}
}