:root{--bg:#0a0a0b;--panel:#15151a;--text:#f5f5f7;--muted:#adaeb8;--line:#303039;--accent:#c8ff3b;color-scheme:dark}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:32px}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
a{color:inherit;text-underline-offset:5px}a:hover{color:var(--accent)}:focus-visible{outline:2px solid var(--accent);outline-offset:5px}
.wrap{max-width:1100px;margin:auto;padding:0 clamp(20px,5vw,48px)}.site-nav{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-top:26px;padding-bottom:26px;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:600;white-space:nowrap}.brand img{width:38px;height:38px;border-radius:9px}.nav-links{display:flex;gap:24px;align-items:center;font-size:14px}
.nav-links a{text-decoration:none}.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;padding:12px;background:var(--accent);color:#111;z-index:5}
.breadcrumbs{font-size:13px;color:var(--muted);margin:36px 0 22px}.page-hero{padding:14px 0 52px}.eyebrow{color:var(--accent);font:12px/1.6 ui-monospace,monospace;letter-spacing:.13em;text-transform:uppercase}
h1{font-size:clamp(36px,5.2vw,66px);letter-spacing:-.045em;line-height:1.08;max-width:16ch;margin:22px 0 26px}h2{font-size:clamp(26px,3.5vw,38px);letter-spacing:-.025em;line-height:1.2}h3{font-size:22px;line-height:1.3}h4{font-size:18px}
p{max-width:72ch}.intro{font-size:19px;color:var(--muted);max-width:66ch}.role{color:var(--muted);font-size:15px}.byline{font-size:14px;color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--accent);color:#111;text-decoration:none;border:1px solid var(--accent);border-radius:999px;padding:12px 22px;font-weight:600;line-height:1.4}
.btn:hover{background:#ddff83;color:#111}.btn.secondary{background:transparent;color:var(--text);border-color:var(--line)}.actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 0}
.toc{border-block:1px solid var(--line);padding:24px 0;display:flex;flex-wrap:wrap;gap:12px 24px;font-size:14px}.section{padding:52px 0;border-bottom:1px solid var(--line)}.section>p,.article p,.article li{color:var(--muted)}
.offer{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:48px}.offer ul{color:var(--muted);padding-left:20px}.offer li{margin-bottom:10px}.offer li::marker{color:var(--accent)}.proof{padding:22px;border:1px solid var(--line);border-radius:12px;margin-top:28px}.proof a{display:block;margin-top:8px}
.steps{padding-left:24px;color:var(--muted)}.steps li{padding:0 0 18px 8px;max-width:72ch}.steps strong{color:var(--text)}
details{border-bottom:1px solid var(--line);padding:20px 0}summary{font-weight:600;cursor:pointer;line-height:1.5}details p{color:var(--muted)}
.contact-panel{border:1px solid var(--line);border-radius:18px;padding:clamp(24px,4vw,44px);margin:60px 0;background:var(--panel)}.contact-panel h2{margin-top:0}.contact-panel p{color:var(--muted)}
.cover{margin:0 0 36px}.cover img,.article img{display:block;width:100%;height:auto;border-radius:14px}.facts{width:100%;border-collapse:collapse;margin:26px 0}.facts caption{text-align:left;font-weight:600;font-size:20px;padding-bottom:16px}.facts th,.facts td{text-align:left;border-bottom:1px solid var(--line);padding:13px 16px 13px 0}.facts th{font-weight:400;color:var(--muted)}.facts td{font-weight:650;color:var(--accent);white-space:nowrap}
.metric-note{font-size:13px;color:var(--muted)}.article{padding:28px 0}.article h2,.article h3{margin-top:48px}.article figure{margin:28px 0}.article blockquote{border-left:2px solid var(--accent);margin:24px 0;padding:0 20px}.caption{font-size:14px;font-style:italic}
.prototype{margin:30px 0;padding:0 20px;border:1px solid var(--line);border-radius:12px}.prototype iframe{display:block;width:100%;height:min(65vh,650px);border:0;margin:20px 0;background:var(--panel)}.prototype p{font-size:14px}
.site-footer{padding:28px 0 40px;color:var(--muted);font-size:13px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.site-footer a{margin-right:18px}
.related{display:flex;flex-wrap:wrap;gap:12px 24px}.service-index{font:12px ui-monospace,monospace;color:var(--accent)}
@media(max-width:680px){.offer{grid-template-columns:1fr;gap:12px}.site-nav{gap:14px;flex-wrap:wrap}.nav-links{gap:18px;flex-wrap:wrap}.section{padding:36px 0}.page-hero{padding-bottom:32px}.facts{font-size:14px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}