:root{--bg:#0a0c10;--bg2:#10141b;--fg:#eef1f6;--muted:#98a1b3;--line:#1f2633;--a:#4de0c0;--b:#8b7bff;--card:#121721}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.65 Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased}
.wrap{max-width:1040px;margin:0 auto;padding:0 22px}
a{color:var(--a)}
.grad{background:linear-gradient(100deg,var(--a),var(--b));-webkit-background-clip:text;background-clip:text;color:transparent}
header{position:sticky;top:0;z-index:10;backdrop-filter:blur(14px);background:rgba(10,12,16,.72);border-bottom:1px solid var(--line)}
header .wrap{display:flex;justify-content:space-between;align-items:center;height:64px}
.logo{font-weight:800;font-size:20px;letter-spacing:-.03em;color:var(--fg);text-decoration:none}
.logo i{display:inline-block;width:10px;height:10px;border-radius:3px;background:linear-gradient(135deg,var(--a),var(--b));margin-right:8px;transform:rotate(45deg)}
nav a{color:var(--muted);text-decoration:none;margin-left:24px;font-size:15px;transition:color .2s}
nav a:hover{color:var(--fg)}
.btn{display:inline-block;padding:13px 24px;border-radius:12px;font-weight:650;text-decoration:none;border:0;cursor:pointer;font:inherit;font-weight:650;transition:transform .15s,box-shadow .2s}
.btn.p{background:linear-gradient(100deg,var(--a),var(--b));color:#06100e;box-shadow:0 8px 30px -8px rgba(77,224,192,.5)}
.btn.p:hover{transform:translateY(-2px)}
.btn.g{color:var(--fg);border:1px solid var(--line);background:transparent;margin-left:10px}
.btn.g:hover{border-color:var(--muted)}
.hero{position:relative;padding:92px 0 72px;overflow:hidden}
.hero:before{content:"";position:absolute;inset:-20% -10% auto;height:520px;background:radial-gradient(600px 300px at 25% 20%,rgba(77,224,192,.18),transparent),radial-gradient(600px 320px at 80% 10%,rgba(139,123,255,.2),transparent);pointer-events:none}
.hero .wrap{position:relative;display:grid;gap:48px;grid-template-columns:1.1fr .9fr;align-items:center}
.tag{display:inline-block;font-size:13px;color:var(--a);border:1px solid rgba(77,224,192,.35);padding:5px 12px;border-radius:99px;margin-bottom:22px}
h1{font-size:clamp(38px,6vw,64px);line-height:1.04;letter-spacing:-.04em;margin:0 0 20px}
.lead{font-size:20px;color:var(--muted);margin:0 0 32px;max-width:520px}
.term{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px;font:14px/1.7 ui-monospace,SFMono-Regular,Menlo,monospace;box-shadow:0 30px 80px -30px rgba(139,123,255,.4)}
.term .dots{display:flex;gap:6px;margin-bottom:14px}.term .dots b{width:10px;height:10px;border-radius:50%;background:#2a3242}
.term .l{opacity:0;animation:in .5s forwards}.term .l:nth-child(2){animation-delay:.4s}.term .l:nth-child(3){animation-delay:1s}.term .l:nth-child(4){animation-delay:1.6s}.term .l:nth-child(5){animation-delay:2.2s}.term .l:nth-child(6){animation-delay:2.8s}.term .l:nth-child(7){animation-delay:3.4s}
.term .k{color:var(--muted)}.term .ok{color:var(--a)}
@keyframes in{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
section{padding:72px 0}
h2{font-size:clamp(28px,4vw,40px);letter-spacing:-.03em;margin:0 0 12px}
.sub{color:var(--muted);margin:0 0 40px;max-width:560px}
.steps,.cards{display:grid;gap:18px}
.steps{grid-template-columns:repeat(3,1fr)}.cards{grid-template-columns:repeat(3,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px;transition:transform .2s,border-color .2s}
.card:hover{transform:translateY(-4px);border-color:rgba(139,123,255,.5)}
.card h3{margin:0 0 8px;font-size:19px;letter-spacing:-.01em}.card p{margin:0;color:var(--muted);font-size:15.5px}
.num{font-size:13px;font-weight:700;color:var(--a);letter-spacing:.1em;margin-bottom:12px}
.ico{font-size:26px;margin-bottom:12px}
.alt{background:var(--bg2);border-block:1px solid var(--line)}
form{display:grid;gap:14px;max-width:560px}
label{font-size:14px;color:var(--muted)}
input,textarea{width:100%;margin-top:6px;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px 14px;color:var(--fg);font:inherit}
input:focus,textarea:focus{outline:2px solid var(--b);border-color:transparent}
textarea{min-height:130px;resize:vertical}
.note{font-size:13px;color:var(--muted)}
footer{padding:36px 0 48px;border-top:1px solid var(--line);color:var(--muted);font-size:14px}
footer a{color:var(--muted);margin-right:18px;text-decoration:none}footer a:hover{color:var(--fg)}
main.doc{padding:56px 0;max-width:720px}main.doc h1{font-size:40px}main.doc h2{font-size:22px;margin-top:36px}main.doc p,main.doc li{color:#c3c9d6}main.doc ul{padding-left:22px}main.doc li{margin:6px 0}
@media(max-width:820px){.hero .wrap,.steps,.cards{grid-template-columns:1fr}.hero{padding-top:56px}nav a:not(.cta){display:none}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.term .l{opacity:1}}