:root{--ink:#0f172a;--text:#334155;--muted:#64748b;--line:#e2e8f0;--bg:#f6f8fc;--card:#fff;--brand:#4f6bff;--brand2:#8b5cf6;--good:#16a34a;--radius:16px}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,Inter,Arial,sans-serif;color:var(--text);background:var(--bg)}
a{color:var(--brand)}strong,b{color:var(--ink)}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
/* header */
.top{background:#0b1020;color:#cbd5e1;position:sticky;top:0;z-index:20;box-shadow:0 1px 0 rgba(255,255,255,.06)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:12px;padding-bottom:6px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:800;font-size:17px;letter-spacing:-.01em}
.brand small{display:block;font-weight:500;font-size:11.5px;color:#94a3b8;letter-spacing:0}
.logo{width:34px;height:34px;flex:none}
nav{display:flex;gap:4px;overflow-x:auto;padding:4px 0 10px;scrollbar-width:none}nav::-webkit-scrollbar{display:none}
nav a{color:#cbd5e1;text-decoration:none;font-size:14px;padding:6px 12px;border-radius:999px;white-space:nowrap}
nav a:hover{background:rgba(255,255,255,.08);color:#fff}nav a[aria-current]{background:rgba(109,139,255,.18);color:#fff;font-weight:600}
/* buttons */
.btn{display:inline-block;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;text-decoration:none;font-weight:700;padding:12px 22px;border-radius:12px;box-shadow:0 8px 20px -8px rgba(79,107,255,.7);transition:transform .15s}
.btn:hover{transform:translateY(-1px)}.btn.big{padding:15px 28px;font-size:17px}.btn.small{padding:8px 14px;font-size:14px;box-shadow:none}
.btn.ghost{background:rgba(255,255,255,.1);box-shadow:none;border:1px solid rgba(255,255,255,.25)}
.cta{margin:18px 0}
/* hero */
.hero{background:radial-gradient(1200px 400px at 80% -10%,rgba(139,92,246,.45),transparent),linear-gradient(135deg,#0b1020 0%,#16224a 55%,#2b1d63 100%);color:#e2e8f0;padding:44px 0 48px}
.hero h1{color:#fff;font-size:40px;line-height:1.15;letter-spacing:-.02em;margin:6px 0 14px}
.hero .lead{font-size:18px;color:#cbd5e1;max-width:720px}.hero .lead strong{color:#fff}.hero a{color:#c7d2fe}
.hero .btn{color:#fff}
.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:12px;color:#a5b4fc;font-weight:700;margin:0}
.grad{background:linear-gradient(90deg,#8ea2ff,#d8b4fe);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:36px;align-items:center}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.code-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:20px;padding:24px;backdrop-filter:blur(6px)}
.code-label{display:block;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:#a5b4fc;font-weight:700}
.code{display:block;font-size:56px;font-weight:900;letter-spacing:.08em;color:#fff;line-height:1.1;margin:6px 0 2px;font-family:ui-monospace,Consolas,monospace}
.code-link{display:inline-block;font-family:ui-monospace,Consolas,monospace;font-size:14px;background:rgba(255,255,255,.1);padding:4px 10px;border-radius:8px;color:#e0e7ff}
.ticks{list-style:none;padding:0;margin:18px 0 0}.ticks li{padding:5px 0 5px 28px;position:relative;color:#e2e8f0}
.ticks li:before{content:"\2713";position:absolute;left:0;top:7px;width:19px;height:19px;border-radius:50%;background:#22c55e;color:#fff;font-size:12px;font-weight:900;display:flex;align-items:center;justify-content:center}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:-26px;position:relative}
.stat{background:var(--card);border-radius:var(--radius);padding:18px;box-shadow:0 10px 30px -14px rgba(15,23,42,.35);border:1px solid var(--line)}
.stat b{display:block;font-size:26px;letter-spacing:-.02em;background:linear-gradient(90deg,var(--brand),var(--brand2));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{font-size:14px;color:var(--muted)}
/* content */
main{padding:28px 20px 40px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px 26px;margin:18px 0;box-shadow:0 6px 24px -18px rgba(15,23,42,.4)}
.card h2{font-size:23px;color:var(--ink);margin:0 0 10px;letter-spacing:-.01em}
.card h3{font-size:17px;color:var(--ink);margin:16px 0 4px}
.card > p:first-child{margin-top:0}
ol{counter-reset:s;list-style:none;padding:0}ol li{counter-increment:s;position:relative;padding:6px 0 6px 44px;min-height:34px}
ol li:before{content:counter(s);position:absolute;left:0;top:4px;width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;font-weight:800;font-size:14px;display:flex;align-items:center;justify-content:center}
ul{padding-left:20px}ul li{margin:4px 0}
.links{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:10px}
.links li{margin:0}.links a{display:block;padding:12px 14px;border:1px solid var(--line);border-radius:12px;text-decoration:none;font-weight:600;background:#fbfcff}.links a:hover{border-color:var(--brand)}
.tw{overflow-x:auto;margin:12px 0;border:1px solid var(--line);border-radius:12px}
table{width:100%;border-collapse:collapse;font-size:15px}th,td{padding:11px 14px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
th{background:#f1f5ff;color:var(--ink);font-weight:700}tr:last-child td{border-bottom:0}tbody tr:nth-child(even){background:#fafbff}
details{border:1px solid var(--line);border-radius:12px;padding:0 16px;margin:10px 0;background:#fbfcff}
summary{cursor:pointer;font-weight:700;color:var(--ink);padding:14px 0;list-style:none;position:relative;padding-right:28px}
summary::-webkit-details-marker{display:none}summary:after{content:"+";position:absolute;right:0;top:10px;font-size:22px;color:var(--brand)}
details[open] summary:after{content:"\2212"}details p{margin:0 0 14px}
.video{position:relative;padding-top:56.25%;margin:12px 0;border-radius:14px;overflow:hidden}.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.checked{color:var(--muted);font-size:13px;text-align:center;margin-top:26px}
/* footer */
footer{background:#0b1020;color:#94a3b8;font-size:14px;padding:36px 0 90px}
.foot{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:28px}
.foot b{color:#fff;display:block;margin-bottom:8px}.foot a{display:block;color:#cbd5e1;text-decoration:none;margin:5px 0}.foot a:hover{color:#fff}
.foot-brand{display:flex;align-items:center;gap:10px;margin:0 0 8px}.foot-brand b{margin:0}
.mobile-cta{display:none}
@media (max-width:820px){.hero-grid{grid-template-columns:1fr}.stats{grid-template-columns:repeat(2,1fr)}.foot{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.hero h1{font-size:30px}.hero .lead{font-size:16px}.code{font-size:44px}.card{padding:18px}.bar .btn{display:none}
.mobile-cta{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:30;align-items:center;justify-content:space-between;gap:10px;padding:10px 16px;background:#0b1020;color:#e2e8f0;font-size:14px;box-shadow:0 -6px 20px rgba(0,0,0,.25)}.mobile-cta b{color:#fff}
.foot{grid-template-columns:1fr}}
.answer{display:inline-block;background:rgba(34,197,94,.14);border:1px solid rgba(34,197,94,.45);color:#dcfce7;font-weight:700;padding:8px 14px;border-radius:10px;margin:0 0 12px}
.card table th{width:34%}
.proof{margin:14px 0}.proof img{display:block;width:100%;max-width:420px;height:auto;border-radius:14px;border:1px solid var(--line)}
.proof figcaption{color:var(--muted);font-size:14px;margin-top:8px}
[id]{scroll-margin-top:110px}