:root{--brand:#208aef;--bg:#fff;--surface:#f5f5f7;--text:#1c1c1e;--text-secondary:#55555a;--separator:#d8d8dc;--max-width:42rem}@media (prefers-color-scheme:dark){:root{--bg:#000;--surface:#1c1c1e;--text:#f5f5f7;--text-secondary:#a1a1a6;--separator:#38383a}}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--text);margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.6}a{color:var(--brand)}main{max-width:var(--max-width);margin:0 auto;padding:3rem 1.25rem 4rem}h1{letter-spacing:-.02em;margin:0 0 .5rem;font-size:2rem;line-height:1.2}h2{margin:2.5rem 0 .5rem;font-size:1.25rem}h3{margin:1.75rem 0 .375rem;font-size:1rem}p,li{color:var(--text-secondary)}.lede{font-size:1.125rem}.updated{color:var(--text-secondary);margin-top:0;font-size:.875rem}.callout{background:var(--surface);border-left:3px solid var(--brand);border-radius:.5rem;margin:1.5rem 0;padding:1rem 1.25rem}.callout p:first-child{margin-top:0}.callout p:last-child{margin-bottom:0}nav.site{border-bottom:1px solid var(--separator);padding:1rem 1.25rem}nav.site div{max-width:var(--max-width);align-items:baseline;gap:1.25rem;margin:0 auto;display:flex}nav.site a{color:var(--text-secondary);font-size:.9375rem;text-decoration:none}nav.site a.brand{color:var(--text);margin-right:auto;font-weight:600}footer.site{border-top:1px solid var(--separator);padding:2rem 1.25rem;font-size:.875rem}footer.site div{max-width:var(--max-width);color:var(--text-secondary);flex-wrap:wrap;gap:1.25rem;margin:0 auto;display:flex}footer.site a{text-decoration:none}.hero{text-align:center;padding:4rem 1.25rem 2rem}.hero h1{font-size:2.75rem}.hero p{max-width:34rem;margin:.75rem auto 0;font-size:1.25rem}.features{gap:1.25rem;margin:2rem 0 0;padding:0;list-style:none;display:grid}.features li{background:var(--surface);border-radius:.75rem;padding:1.25rem}.features strong{color:var(--text);margin-bottom:.25rem;display:block}