:root{--ink:#0A0B0E;--surface:#12141A;--raised:#171A21;--sunk:#0E1015;--line:#232833;--line2:#2E3544;--text:#E9EBF0;--muted:#A3AAB8;--dim:#7B8392;--brass:#D9A441;--brass-hi:#F0CC7A;color-scheme:dark}
*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--ink);color:var(--text);font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
a{color:var(--brass-hi);text-decoration:none}a:hover{text-decoration:underline}
img{max-width:100%}
.wrap{width:100%;max-width:1080px;margin:0 auto;padding:0 20px}
header.top{position:sticky;top:0;z-index:20;background:rgba(10,11,14,.88);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
header.top .wrap{display:flex;align-items:center;gap:18px;height:62px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:700;font-size:17px}.brand:hover{text-decoration:none}
.brand img{width:34px;height:34px;border-radius:10px}
nav.menu{display:flex;gap:20px;margin-left:auto;font-size:14.5px}nav.menu a{color:var(--muted)}nav.menu a:hover{color:var(--text);text-decoration:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:0 20px;height:46px;border-radius:12px;border:1px solid var(--line2);background:var(--raised);color:var(--text);font:inherit;font-weight:600;cursor:pointer;text-decoration:none;white-space:nowrap}
.btn:hover{text-decoration:none;border-color:var(--brass)}
.btn.pri{background:var(--brass);border-color:var(--brass);color:#241A05}.btn.pri:hover{background:#E8B355}
.btn.sm{height:38px;padding:0 14px;font-size:14px}
header.top .btn{margin-left:4px}
.hero{padding:64px 0 40px;text-align:center;background:radial-gradient(900px 380px at 50% -40px,rgba(217,164,65,.16),transparent 70%)}
.hero img.logo{width:92px;height:92px;border-radius:26px;box-shadow:0 10px 40px rgba(217,164,65,.3)}
.hero h1{font-size:clamp(30px,5.4vw,52px);line-height:1.12;letter-spacing:-.02em;margin:22px auto 14px;max-width:820px}
.hero p.lead{font-size:clamp(16px,2.2vw,19px);color:var(--muted);max-width:640px;margin:0 auto 26px}
.cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.cta .btn{height:52px;padding:0 28px;font-size:16.5px}
.small{color:var(--dim);font-size:13.5px;margin-top:14px}
.refbar{display:none;margin:0 auto 18px;max-width:520px;background:rgba(217,164,65,.12);border:1px solid rgba(217,164,65,.35);color:var(--brass-hi);border-radius:12px;padding:10px 14px;font-size:14.5px}
section.blk{padding:54px 0}
section.blk h2{font-size:clamp(24px,3.6vw,34px);letter-spacing:-.01em;margin:0 0 8px;text-align:center}
section.blk p.sub{color:var(--muted);text-align:center;max-width:620px;margin:0 auto 30px}
.grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.card{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:20px}
.card h3{margin:12px 0 6px;font-size:17.5px}.card p{margin:0;color:var(--muted);font-size:15px;line-height:1.55}
.ic{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:rgba(217,164,65,.12);border:1px solid rgba(217,164,65,.3);color:var(--brass)}
.ic svg{width:24px;height:24px}
.steps{counter-reset:s;display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.step{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:20px 20px 20px 74px;position:relative}
.step:before{counter-increment:s;content:counter(s);position:absolute;left:20px;top:20px;width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:var(--brass);color:#241A05;font-weight:800}
.step b{display:block;margin-bottom:4px}.step span{color:var(--muted);font-size:15px}
.plans{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));max-width:860px;margin:0 auto}
.plan{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:22px;text-align:center}
.plan.best{border-color:var(--brass);box-shadow:0 0 0 1px rgba(217,164,65,.25),0 14px 40px rgba(217,164,65,.08)}
.plan .t{color:var(--muted);font-weight:600}.plan .p{font-size:38px;font-weight:800;letter-spacing:-.02em;margin:6px 0 2px}.plan .p small{font-size:17px;color:var(--brass)}
.plan .m{color:var(--dim);font-size:14px;min-height:21px}
.note{max-width:760px;margin:22px auto 0;color:var(--muted);font-size:14.5px;text-align:center}
.ref{background:linear-gradient(135deg,rgba(217,164,65,.14),rgba(217,164,65,.04));border:1px solid rgba(217,164,65,.3);border-radius:22px;padding:30px;text-align:center}
.ref h2{margin-bottom:8px}.ref p{color:var(--muted);max-width:640px;margin:0 auto 6px}
details{background:var(--surface);border:1px solid var(--line);border-radius:14px;margin:0 0 10px;padding:0 18px}
summary{cursor:pointer;padding:15px 0;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:12px}summary::-webkit-details-marker{display:none}
summary:after{content:"+";color:var(--brass);font-size:22px;line-height:1}details[open] summary:after{content:"\2212"}
details p{margin:0 0 16px;color:var(--muted);font-size:15.5px}
footer.bot{border-top:1px solid var(--line);margin-top:30px;padding:30px 0 40px;color:var(--dim);font-size:14px}
footer.bot .cols{display:flex;gap:30px;flex-wrap:wrap;justify-content:space-between}
footer.bot a{color:var(--muted)}footer.bot .links{display:flex;gap:8px 20px;flex-wrap:wrap}
article.doc{max-width:760px;margin:0 auto;padding:36px 0 20px}
article.doc h1{font-size:clamp(28px,4.4vw,38px);line-height:1.18;letter-spacing:-.015em;margin:0 0 6px}
article.doc .upd{color:var(--dim);font-size:14px;margin-bottom:26px}
article.doc h2{font-size:21px;margin:34px 0 8px;letter-spacing:-.005em}
article.doc h3{font-size:17px;margin:20px 0 6px}
article.doc p,article.doc li{color:#D4D8E0}
article.doc ul,article.doc ol{padding-left:22px}article.doc li{margin:5px 0}
article.doc .box{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px 18px;margin:16px 0}
article.doc table{width:100%;border-collapse:collapse;margin:14px 0;font-size:15px;display:block;overflow-x:auto}
article.doc th,article.doc td{border:1px solid var(--line);padding:9px 12px;text-align:left;vertical-align:top}
article.doc th{background:var(--surface);color:var(--muted);font-weight:600}
@media(max-width:720px){nav.menu{display:none}header.top .btn{margin-left:auto}.hero{padding:44px 0 26px}.card,.plan,.step{padding:18px}.step{padding-left:70px}.step:before{left:18px;top:18px}}