*,*::before,*::after{box-sizing:border-box}
:root{--bg:#fbfaf8;--fg:#1d1f22;--muted:#5b6068;--line:#e3e0da;--link:#1a56a8}
@media (prefers-color-scheme:dark){:root{--bg:#131416;--fg:#ececec;--muted:#a6abb3;--line:#2c2e32;--link:#8ab4f8}}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;min-height:100vh;display:flex;flex-direction:column}
a{color:var(--link)}
a:focus-visible{outline:2px solid var(--link);outline-offset:2px}
.wrap{width:100%;max-width:44rem;margin:0 auto;padding:0 1.25rem}
header{border-bottom:1px solid var(--line)}
header .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.5rem 1.5rem;padding-top:1rem;padding-bottom:1rem}
.brand{font-weight:700;text-decoration:none;color:var(--fg)}
nav ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.25rem 1rem}
nav a{text-decoration:none;color:var(--muted);padding:.25rem 0;display:inline-block}
nav a[aria-current=page]{color:var(--fg);font-weight:600}
main{flex:1;padding:2.5rem 0 3rem}
h1{font-size:2rem;line-height:1.2;margin:0 0 1rem}
h2{font-size:1.2rem;margin:2rem 0 .5rem}
.lede{font-size:1.2rem;color:var(--muted);margin-top:-.5rem}
footer{border-top:1px solid var(--line);color:var(--muted);font-size:.9rem}
footer .wrap{padding-top:1.25rem;padding-bottom:1.5rem}
footer p{margin:.25rem 0 .75rem}