:root{--ink:#14201e;--muted:#4b5a57;--teal:#0b7a70;--line:#d9e2e0;--bg:#fbfcfc}
@media (prefers-color-scheme:dark){:root{--ink:#e7efed;--muted:#a7b6b3;--teal:#4fc1b5;--line:#2a3735;--bg:#111816}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
header{border-bottom:4px solid var(--teal)}
header .wrap{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;padding-top:1.25rem;padding-bottom:1rem}
.wrap{max-width:46rem;margin:0 auto;padding:0 1.25rem}
.brand{font-weight:800;font-size:1.25rem;color:var(--ink);text-decoration:none;letter-spacing:-.01em}
nav a{color:var(--muted);text-decoration:none;margin-left:1rem;font-weight:600}
nav a:hover,nav a[aria-current]{color:var(--teal)}
main{padding:2rem 0 3rem}
h1{font-size:2rem;line-height:1.2;margin:0 0 .25rem;letter-spacing:-.02em}
h2{font-size:1.15rem;margin:2rem 0 .5rem;padding-top:1rem;border-top:1px solid var(--line)}
.meta{color:var(--muted);margin:0 0 1.5rem}
a{color:var(--teal)}
ul{padding-left:1.25rem}
li{margin:.25rem 0}
footer{border-top:1px solid var(--line);color:var(--muted);font-size:.9rem;padding:1.25rem 0 2rem}