:root{--ink:#0b0e14;--deep:#070a10;--panel:#131826;--panel2:#171e2e;--line:#26334b;--text:#e8edf7;--soft:#c9d2e3;--muted:#9ca9bd;--blue:#3e7bfa;--cyan:#38e1ff;--amber:#ffb020;color-scheme:dark;font-family:Barlow,"Segoe UI",system-ui,sans-serif}*{box-sizing:border-box}html{background:var(--ink);scroll-behavior:smooth}body{margin:0;background:var(--ink);color:var(--text);line-height:1.55}.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;z-index:3;background:var(--text);color:var(--ink);padding:8px}.top{min-height:72px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:24px;padding:12px max(20px,calc((100% - 1240px)/2));background:linear-gradient(180deg,#0e1321,var(--ink));position:sticky;top:0;z-index:2}.brand{display:flex;align-items:center;gap:11px;color:var(--text);text-decoration:none}.brand img{border-radius:9px}.brand b,.brand small{display:block}.brand small{color:var(--muted);font:12px ui-monospace,monospace;text-transform:uppercase;letter-spacing:.08em}.search{margin-left:auto;color:var(--muted);font-size:12px}.search input{display:block;width:min(360px,38vw);margin-top:3px;padding:9px 11px;border:1px solid var(--line);border-radius:8px;background:var(--panel);color:var(--text)}.shell{max-width:1240px;margin:auto;padding:28px 24px 72px;display:grid;grid-template-columns:230px 1fr;gap:42px}.rail{position:sticky;top:100px;align-self:start;display:grid;gap:6px}.rail a{display:grid;grid-template-columns:32px 1fr;gap:8px;align-items:center;padding:9px;border:1px solid transparent;border-radius:9px;color:var(--muted);text-decoration:none}.rail a:hover,.rail a.active{background:var(--panel);border-color:var(--line);color:var(--text)}h1,h2,h3{font-family:Sora,"Segoe UI",system-ui,sans-serif;line-height:1.18}h1{font-size:clamp(30px,5vw,46px);margin:8px 0 14px}.eyebrow,.kind{font:11px ui-monospace,monospace;text-transform:uppercase;letter-spacing:.12em;color:var(--cyan)}.lede{font-size:18px;color:var(--soft);max-width:68ch}.notice,.panel{border:1px solid var(--line);border-radius:14px;background:var(--panel);padding:20px}.notice{border-left:3px solid var(--amber);color:var(--soft);margin:24px 0}.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:24px}.card{border:1px solid var(--line);border-radius:12px;background:var(--panel);padding:18px;position:relative}.card h2,.card h3{margin:7px 0 8px}.card p{color:var(--muted);margin:0}.meta{font:12px ui-monospace,monospace;color:var(--muted);margin-top:12px}.lock{display:inline-block;margin-top:14px;color:var(--amber);font:12px ui-monospace,monospace;text-transform:uppercase}.route{counter-reset:step;display:grid;gap:10px;margin-top:24px}.step{counter-increment:step;display:grid;grid-template-columns:36px 1fr;gap:12px;border-bottom:1px solid var(--line);padding:15px 0}.step:before{content:counter(step,decimal-leading-zero);font:12px ui-monospace,monospace;color:var(--cyan)}.step b{display:block}.step span{color:var(--muted)}.filter{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0}.filter button{border:1px solid var(--line);background:var(--panel);color:var(--soft);padding:8px 11px;border-radius:8px;cursor:pointer}.filter button[aria-pressed=true]{border-color:var(--cyan);color:var(--cyan)}@media(max-width:760px){.top{position:static;flex-wrap:wrap}.search{width:100%;margin:0}.search input{width:100%}.shell{grid-template-columns:1fr;padding-inline:16px}.rail{position:static;display:flex;overflow-x:auto}.rail a{flex:0 0 auto}.cards{grid-template-columns:1fr}}