:root{color-scheme:dark;--bg:#101215;--surface:#1b1f24;--text:#f4f6f8;--muted:#b6c0c9;--accent:#72d4ff;--line:#343c44;font:17px/1.65 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}a{color:var(--accent);text-underline-offset:.2em}a:hover{text-decoration-thickness:.15em}a:focus-visible{outline:3px solid var(--accent);outline-offset:5px;border-radius:3px}header,main,footer{width:min(100% - 40px,820px);margin:auto}header{padding:28px 0;border-bottom:1px solid var(--line)}nav{display:flex;flex-wrap:wrap;gap:8px 24px;align-items:center}nav a{display:inline-flex;min-height:44px;align-items:center}.brand{font-weight:700;color:var(--text);text-decoration:none;margin-right:auto}main{padding:52px 0 60px}h1,h2,h3{line-height:1.2;letter-spacing:-.025em}h1{font-size:clamp(2rem,7vw,3.1rem);margin:0 0 20px}h2{font-size:1.45rem;margin:36px 0 12px}h3{font-size:1.1rem;margin:24px 0 8px}p,ul,ol{margin:14px 0}li+li{margin-top:8px}.intro{font-size:1.15rem;color:var(--muted)}.updated,.muted{color:var(--muted)}.card{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:24px;margin:28px 0}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:9px 18px;border:1px solid var(--accent);border-radius:12px;font-weight:650;text-decoration:none}.links{display:flex;gap:12px;flex-wrap:wrap}footer{padding:28px 0 40px;border-top:1px solid var(--line);font-size:.9rem;color:var(--muted)}footer p{margin:8px 0}.skip{position:absolute;left:20px;top:-100px;background:var(--bg);padding:12px}.skip:focus{top:8px}@media(max-width:420px){header,main,footer{width:calc(100% - 32px)}main{padding-top:36px}.card{padding:20px}}