:root{--bg:#ffffff;--surface:#f5f5f4;--line:#e5e5e5;--text:#111111;--muted:#5c5c5c;--accent:#1f6f50;--accent-ink:#ffffff;--ease:cubic-bezier(0.22,1,0.36,1)}
@media (prefers-color-scheme:dark){:root{--bg:#131209;--surface:#1f1f1f;--line:#313131;--text:#f5f5f4;--muted:#a3a3a3;--accent:#3fb98a;--accent-ink:#0b0b0b}}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:Geist,system-ui,sans-serif;font-size:16px;line-height:24px}
a{color:inherit}
h1,h2,h3{text-wrap:balance;font-weight:600;margin:0}
p,li{text-wrap:pretty}
.skip{position:absolute;left:-9999px;top:12px;background:var(--text);color:var(--bg);padding:8px 12px;border-radius:8px}
.skip:focus{left:16px}
.wrap{max-width:1040px;margin:0 auto;padding:0 16px}
nav.bar{position:sticky;top:12px;z-index:10;margin:12px auto 0;width:fit-content;max-width:calc(100% - 32px);display:flex;gap:16px;align-items:center;padding:8px 8px 8px 16px;border:1px solid var(--line);border-radius:16px;background:color-mix(in srgb,var(--bg) 75%,transparent);backdrop-filter:blur(12px)}
nav.bar .brand{font-weight:600;text-decoration:none;font-size:14px;line-height:20px}
nav.bar a.link{font-size:14px;line-height:20px;text-decoration:none;color:var(--muted);transition:color 300ms var(--ease)}
nav.bar a.link:hover,nav.bar a.link[aria-current=page]{color:var(--text)}
.btn{display:inline-block;background:var(--accent);color:var(--accent-ink);font-weight:600;text-decoration:none;padding:8px 12px;border-radius:8px;font-size:16px;line-height:24px;transition:transform 500ms var(--ease),opacity 300ms var(--ease)}
.btn.sm{font-size:14px;line-height:20px}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:scale(0.98)}
a:focus-visible,.btn:focus-visible{outline:2px solid var(--accent);outline-offset:4px;border-radius:8px}
.hero{padding:96px 0 64px;display:grid;gap:48px;grid-template-columns:1.2fr 1fr;align-items:center}
.hero h1{font-size:48px;line-height:1;max-width:680px;background:linear-gradient(90deg,#000000,#666666);-webkit-background-clip:text;background-clip:text;color:transparent}
@media (prefers-color-scheme:dark){.hero h1{background-image:linear-gradient(90deg,#ffffff,#9b9b9b)}}
.hero p.sub{font-size:18px;line-height:28px;color:var(--muted);max-width:680px;margin:24px 0 32px}
.proof{font-size:14px;line-height:20px;color:var(--muted);margin-top:16px}
.card{border:1px solid var(--line);border-radius:16px;background:var(--surface);padding:24px}
.card .row{display:flex;justify-content:space-between;gap:12px;padding:8px 0;font-size:14px;line-height:20px;border-bottom:1px solid var(--line)}
.card .row:last-child{border-bottom:0}
.card .ok{color:var(--accent);font-weight:600}
.card .label{font-size:12px;line-height:16px;color:var(--muted);text-transform:uppercase;letter-spacing:0.04em;margin-bottom:12px}
.card .caption{font-size:14px;line-height:20px;background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:12px;margin-bottom:16px}
section{padding:64px 0}
section h2{font-size:30px;line-height:36px;margin-bottom:32px}
.tagline p{font-size:48px;line-height:1.1;font-weight:600;max-width:880px;margin:0}
.tagline .w{opacity:0.3;transition:opacity 600ms var(--ease)}
.tagline .w.on{opacity:1}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid3 h3{font-size:18px;line-height:28px;margin-bottom:8px}
.grid3 p{color:var(--muted);margin:0}
.step{font-family:'Geist Mono',monospace;font-size:12px;line-height:16px;color:var(--accent);margin-bottom:8px}
.faq details{border:1px solid var(--line);border-radius:12px;padding:16px;margin-bottom:12px}
.faq summary{cursor:pointer;font-weight:600}
.faq details p{color:var(--muted);margin:12px 0 0}
.final{text-align:center;padding:96px 0}
.final p{color:var(--muted);margin:16px 0 32px}
footer{border-top:1px solid var(--line);padding:32px 0;font-size:14px;line-height:20px;color:var(--muted)}
footer .wrap{display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between}
footer nav{display:flex;gap:16px;flex-wrap:wrap}
.reveal{opacity:0;transform:translateY(32px);transition:opacity 700ms var(--ease),transform 700ms var(--ease)}
.reveal.in{opacity:1;transform:none}
.doc{max-width:720px;padding:64px 16px 96px;margin:0 auto}
.doc h1{font-size:36px;line-height:40px;margin-bottom:8px}
.doc .date{color:var(--muted);margin:0 0 32px}
.doc h2{font-size:20px;line-height:28px;margin:32px 0 12px}
.doc p,.doc li{color:var(--text)}
.doc ul{padding-left:24px}
@media (max-width:820px){.hero{grid-template-columns:1fr;padding:64px 0 48px}.hero h1{font-size:36px}.tagline p{font-size:30px}.grid3{grid-template-columns:1fr}nav.bar a.link.hide{display:none}}
@media (prefers-reduced-motion:reduce){.reveal{transform:none;transition:opacity 300ms linear}.btn,.btn:hover{transition:none;transform:none}html{scroll-behavior:auto}}