:root{--bg:#0a0a0a;--fg:#ededed;--mut:#9a9a9a;--line:#222;--acc:#c6ff3d}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.65 Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--fg);text-underline-offset:3px}a:hover{color:var(--acc)}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:16px;background:var(--acc);color:#000;padding:8px 12px;z-index:9}
.top{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding:18px max(16px,5vw);border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(10,10,10,.92);backdrop-filter:blur(8px);z-index:5}
.brand{font:700 18px/1 ui-monospace,"JetBrains Mono",Consolas,monospace;text-decoration:none;letter-spacing:.06em}.brand span{color:var(--acc)}
.top nav{display:flex;gap:18px;flex-wrap:wrap;align-items:center;font-size:15px}.top nav a{text-decoration:none;color:var(--mut)}.top nav a:hover{color:var(--fg)}
.top .cta,.btn{display:inline-block;background:var(--acc);color:#000!important;padding:10px 16px;border-radius:14px;text-decoration:none;font-weight:600}
main{max-width:860px;margin:0 auto;padding:40px 16px 80px}
.crumbs{font:13px ui-monospace,Consolas,monospace;color:var(--mut);margin-bottom:28px}.crumbs a{color:var(--mut)}
.eyebrow{font:13px ui-monospace,Consolas,monospace;color:var(--acc);letter-spacing:.12em;margin:0}
h1{font-size:clamp(34px,6vw,56px);line-height:1.05;margin:.3em 0 .4em;letter-spacing:-.02em}
h2{font-size:clamp(22px,3.4vw,30px);margin:2.2em 0 .6em;letter-spacing:-.01em}
.lead{font-size:20px;color:#cfcfcf}
.list,.steps{padding-left:1.2em}.list li,.steps li{margin:.45em 0}
details{border-top:1px solid var(--line);padding:14px 0}details:last-of-type{border-bottom:1px solid var(--line)}
summary{cursor:pointer;font-weight:600}
.qa{border-top:1px solid var(--line);padding-top:6px}.qa h2{font-size:21px;margin:1.2em 0 .4em}
.foot{border-top:1px solid var(--line);padding:40px max(16px,5vw)}
.foot .cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:24px}
.foot strong{display:block;margin-bottom:8px;font-family:ui-monospace,Consolas,monospace;color:var(--acc);font-weight:500}
.foot a{display:block;color:var(--mut);text-decoration:none;margin:4px 0}.foot a:hover{color:var(--fg)}
.small{color:var(--mut);font-size:13px;margin-top:28px}