:root{--paper:#f7f8fc;--surface:#fff;--sunken:#eef1f8;--ink:#0e1729;--soft:#4a5670;--line:#d9dfec;--blue:#2563eb;--deep:#1e3a8a;--mint:#047857;--sans:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;--mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;--max:74rem;--gutter:clamp(1.25rem,4vw,3rem)}
@media(prefers-color-scheme:dark){:root{--paper:#0b1020;--surface:#131a2e;--sunken:#0f1526;--ink:#e7ecf7;--soft:#97a3bd;--line:#26304a;--blue:#7ea2ff;--deep:#b9ccff;--mint:#4ade9f}}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.6 var(--sans)}a{color:var(--blue);text-underline-offset:.18em}a:hover{color:var(--deep)}.wrap{max-width:var(--max);margin:auto;padding-inline:var(--gutter)}.skip{position:absolute;left:-9999px}.skip:focus{left:1rem;top:1rem;background:var(--surface);padding:.6rem;z-index:2}.topbar{position:sticky;top:0;z-index:1;background:color-mix(in srgb,var(--paper) 90%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}.topbar .wrap{display:flex;align-items:center;gap:1rem;min-height:60px}.brand{font:600 .95rem var(--mono);color:var(--ink);text-decoration:none}.nav{margin-left:auto;display:flex;gap:1.1rem;flex-wrap:wrap;font-size:.9rem}.nav a{text-decoration:none;color:var(--soft)}.nav a[aria-current=page]{color:var(--ink);text-decoration:underline}.hero{padding:clamp(3rem,8vw,6rem) 0}.eyebrow{margin:0 0 .75rem;font:.72rem var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--soft)}h1,h2,h3{font-family:var(--mono);line-height:1.12;letter-spacing:-.03em}h1{font-size:clamp(2.2rem,5vw,3.5rem);margin:.1rem 0 1rem}h2{font-size:clamp(1.35rem,3vw,1.9rem);margin:0 0 .7rem}.lede,.section-lede{max-width:62ch;color:var(--soft);font-size:1.1rem}.accent{color:var(--blue)}.actions{display:flex;gap:.75rem;flex-wrap:wrap;margin:1.7rem 0}.button{display:inline-block;padding:.62rem 1rem;border:1px solid var(--line);border-radius:6px;background:var(--surface);color:var(--ink);text-decoration:none;font:.88rem var(--mono)}.button.primary{background:var(--blue);border-color:var(--blue);color:#fff}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,16rem),1fr));gap:1.1rem}.card{display:block;padding:1.25rem;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink);text-decoration:none}.card:hover{border-color:var(--blue);color:var(--ink)}.card p{margin:.45rem 0 0;color:var(--soft)}section{padding:clamp(2.75rem,6vw,4.5rem) 0;border-top:1px solid var(--line)}.steps{padding-left:1.25rem;max-width:65ch}.steps li{margin:.7rem 0}.note{padding:1rem 1.2rem;border-left:3px solid var(--blue);background:var(--sunken);max-width:65ch}.meta{font:.85rem var(--mono);color:var(--soft)}footer{border-top:1px solid var(--line);padding:2.4rem 0 3rem;color:var(--soft);font-size:.9rem}footer .wrap{display:flex;gap:1rem 2rem;flex-wrap:wrap}footer nav{margin-left:auto;display:flex;gap:1rem;flex-wrap:wrap}@media(max-width:600px){.nav{display:none}}