*{box-sizing:border-box;margin:0;padding:0}
:root{--bg:#0b1020;--bg2:#111833;--fg:#e8ecf6;--mut:#9aa4bf;--ac:#4f8cff;--ac2:#38d9c0;--line:#222b4a}
html{scroll-behavior:smooth}
body{font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--fg)}
a{color:var(--ac);text-decoration:none}
.wrap{max-width:1140px;margin:0 auto;padding:0 24px}
.narrow{max-width:780px}
.center{text-align:center}
.muted{color:var(--mut);margin-top:12px}
code{background:var(--bg2);padding:2px 6px;border-radius:4px;font-size:.9em}

.nav{position:sticky;top:0;background:rgba(11,16,32,.85);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);z-index:10}
.nav-in{display:flex;justify-content:space-between;align-items:center;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;color:var(--fg)}
.logo span{color:var(--ac2)}
.nav nav{display:flex;gap:24px;align-items:center}
.nav nav a{color:var(--mut)}
.nav nav a:hover{color:var(--fg)}
.nav nav a.btn{color:#fff}

.btn{display:inline-block;background:linear-gradient(135deg,var(--ac),#6a5cff);color:#fff;padding:12px 24px;border-radius:8px;font-weight:600;border:1px solid transparent}
.btn:hover{filter:brightness(1.1)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--fg)}
.btn-sm{padding:8px 16px}

.hero{padding:110px 0 80px;background:radial-gradient(ellipse at 70% 0%,rgba(79,140,255,.25),transparent 60%),radial-gradient(ellipse at 10% 30%,rgba(56,217,192,.12),transparent 50%)}
.eyebrow{color:var(--ac2);font-weight:600;text-transform:uppercase;letter-spacing:.08em;font-size:13px;margin-bottom:16px}
h1{font-size:clamp(36px,6vw,64px);line-height:1.1;margin-bottom:20px}
.lead{font-size:19px;color:var(--mut);max-width:640px;margin-bottom:32px}
.cta{display:flex;gap:12px;flex-wrap:wrap}
.stats{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:64px;border-top:1px solid var(--line);padding-top:32px}
.stats b{display:block;font-size:30px}
.stats span{color:var(--mut);font-size:14px}

.section{padding:88px 0}
.alt{background:var(--bg2)}
h2{font-size:clamp(28px,4vw,38px);margin-bottom:12px}
.sub{color:var(--mut);margin-bottom:44px;font-size:18px}
h3{font-size:19px;margin-bottom:8px}

.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card,.plan,blockquote,.feat{background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:14px;padding:28px}
.alt .card,.alt .plan,.alt .feat{background:var(--bg)}
.card p,.feat p{color:var(--mut)}
.ic{font-size:26px;color:var(--ac2);margin-bottom:14px}

.plan{position:relative;display:flex;flex-direction:column}
.plan.featured{border-color:var(--ac);box-shadow:0 0 0 1px var(--ac),0 20px 50px rgba(79,140,255,.2)}
.tag{position:absolute;top:-12px;left:28px;background:var(--ac);color:#fff;font-size:12px;padding:3px 10px;border-radius:20px;font-weight:600}
.price{font-size:40px;font-weight:700;margin:8px 0 16px}
.price small{font-size:16px;color:var(--mut);font-weight:400}
.plan ul{list-style:none;margin-bottom:24px;flex:1}
.plan li{padding:6px 0;border-bottom:1px solid var(--line);color:var(--mut)}
.plan .btn{text-align:center}

.two{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.two p{color:var(--mut);margin-top:14px}
.regions{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.regions li{background:var(--bg2);border:1px solid var(--line);border-radius:10px;padding:14px 18px;color:var(--mut);font-size:14px}
.regions b{display:block;color:var(--fg);font-size:16px}

.term{margin-top:36px;background:#060913;border:1px solid var(--line);border-radius:12px;padding:22px;font:14px/1.7 ui-monospace,Menlo,Consolas,monospace;color:#c9d3ee;overflow-x:auto;white-space:pre}
.term .p{color:var(--ac2)}.term .ok{color:#5ee08a}

blockquote{font-style:italic;color:var(--fg)}
cite{display:block;margin-top:16px;color:var(--mut);font-style:normal;font-size:14px}

details{border-bottom:1px solid var(--line);padding:18px 0}
summary{cursor:pointer;font-weight:600;font-size:17px}
details p{color:var(--mut);margin-top:10px}

.foot{border-top:1px solid var(--line);padding:28px 0;color:var(--mut);font-size:14px}
.foot-in{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
.foot a{color:var(--mut)}

.doc{padding:64px 0}
.doc h1{font-size:40px}
.doc h2{font-size:22px;margin-top:32px}
.doc p,.doc li{color:var(--mut);margin-top:10px}
.doc ul{padding-left:20px}

@media(max-width:900px){
  .grid3,.grid4,.two{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .nav nav a:not(.btn){display:none}
}