:root{
  --bg:#0a0e14; --bg2:#0e141d; --card:#121a25; --bd:#1e2a3a;
  --tx:#e9f0f8; --mut:#93a4b8; --acc:#4f8cff; --acc2:#34d399;
  --r:14px; --w:1080px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--tx);
  font:16.5px/1.7 ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Inter,sans-serif;
  -webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:var(--acc);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
.wrap{max-width:var(--w);margin:0 auto;padding:0 22px}
.glow{position:fixed;inset:-20% -10% auto -10%;height:520px;pointer-events:none;z-index:0;
  background:radial-gradient(60% 60% at 30% 20%,rgba(79,140,255,.16),transparent 70%),
             radial-gradient(50% 50% at 75% 0%,rgba(52,211,153,.12),transparent 70%);
  filter:blur(10px)}
header{position:sticky;top:0;z-index:20;backdrop-filter:blur(14px);
  background:rgba(10,14,20,.72);border-bottom:1px solid rgba(30,42,58,.8)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:18px;height:66px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:-.01em;color:var(--tx);font-size:17px}
.mark{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;font-weight:800;font-size:15px;color:#08111d;
  background:linear-gradient(135deg,var(--acc),var(--acc2))}
.menu{display:flex;align-items:center;gap:22px;font-size:14.5px}
.menu a{color:var(--mut)}
.menu a:hover{color:var(--tx);text-decoration:none}
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border-radius:10px;font-weight:600;font-size:14.5px;
  border:1px solid var(--bd);color:var(--tx);background:rgba(255,255,255,.03);transition:.18s}
.btn:hover{background:rgba(255,255,255,.07);text-decoration:none}
.btn.primary{background:linear-gradient(135deg,var(--acc),#6ea0ff);color:#04101f;border:0}
.btn.primary:hover{filter:brightness(1.08)}
main{position:relative;z-index:1}
.hero{padding:84px 0 56px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--acc2);border:1px solid rgba(52,211,153,.28);background:rgba(52,211,153,.06);padding:5px 11px;border-radius:999px}
h1{font-size:clamp(34px,5.2vw,56px);line-height:1.08;letter-spacing:-.03em;margin:18px 0 0;font-weight:760}
h1 .grad{background:linear-gradient(120deg,var(--acc),var(--acc2));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:19px;color:var(--mut);max-width:60ch;margin:18px 0 0}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.stats{display:flex;gap:34px;flex-wrap:wrap;margin-top:46px;padding-top:26px;border-top:1px solid var(--bd)}
.stat b{display:block;font-size:22px;letter-spacing:-.02em}
.stat span{color:var(--mut);font-size:13.5px}
section{padding:54px 0}
.sec-head{max-width:62ch}
.sec-head h2{font-size:clamp(24px,3vw,32px);letter-spacing:-.02em;margin:0 0 8px}
.sec-head p{color:var(--mut);margin:0}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px}
.card{background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,.012));
  border:1px solid var(--bd);border-radius:var(--r);padding:22px}
.card h3{margin:0 0 8px;font-size:17px;letter-spacing:-.01em}
.card p{margin:0;color:var(--mut);font-size:15px}
.ico{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;margin-bottom:14px;
  background:rgba(79,140,255,.12);border:1px solid rgba(79,140,255,.25);font-size:16px}
.steps{counter-reset:s;display:grid;gap:14px;margin-top:26px}
.step{display:flex;gap:16px;align-items:flex-start}
.step .n{flex:0 0 30px;height:30px;border-radius:50%;display:grid;place-items:center;font-size:13px;font-weight:700;
  color:var(--acc);border:1px solid rgba(79,140,255,.3);background:rgba(79,140,255,.08)}
.step p{margin:2px 0 0;color:var(--mut);font-size:15px}
.band{margin:20px 0 70px;border:1px solid var(--bd);border-radius:18px;padding:34px;
  background:radial-gradient(80% 120% at 15% 0%,rgba(79,140,255,.16),transparent 60%),
             radial-gradient(70% 120% at 90% 100%,rgba(52,211,153,.12),transparent 60%),var(--bg2);
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.band h2{margin:0;font-size:24px;letter-spacing:-.02em}
.band p{margin:6px 0 0;color:var(--mut)}
footer{border-top:1px solid var(--bd);padding:30px 0 44px;color:var(--mut);font-size:14px}
.foot{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;align-items:center}
.foot nav{display:flex;gap:18px}
article{padding:56px 0 80px;max-width:760px}
article h1{font-size:clamp(28px,4vw,40px);margin-bottom:6px}
article .meta{color:var(--mut);font-size:14px;margin:0 0 30px}
article h2{font-size:20px;margin:34px 0 8px;letter-spacing:-.01em}
article p,article li{color:#c6d3e2}
article table{width:100%;border-collapse:collapse;margin:14px 0}
article td,article th{border-bottom:1px solid var(--bd);padding:9px 6px;text-align:left;font-size:15px}
article code{background:#0b111a;border:1px solid var(--bd);padding:1px 6px;border-radius:6px;font-size:14px}
details{border:1px solid var(--bd);border-radius:12px;background:var(--card);padding:16px 18px;margin:10px 0}
details summary{cursor:pointer;font-weight:600;list-style:none}
details summary::-webkit-details-marker{display:none}
details summary::after{content:"+";float:right;color:var(--mut)}
details[open] summary::after{content:"–"}
details p{color:var(--mut);margin:10px 0 0}
@media(max-width:860px){
  .grid{grid-template-columns:1fr}
  .menu a:not(.btn){display:none}
  .hero{padding:56px 0 34px}
  .stats{gap:22px}
  .band{padding:26px}
}