:root{--bg:#f7f5f0;--fg:#1f2321;--muted:#5d6661;--accent:#1f6f5c;--card:#ffffff;--rule:#ddd8cc}
@media (prefers-color-scheme:dark){:root{--bg:#151a18;--fg:#e8ebe9;--muted:#9aa5a0;--accent:#7fd1bf;--card:#1d2321;--rule:#2f3734}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif}
header,main,footer{max-width:46rem;margin:0 auto;padding:0 max(1.1rem,env(safe-area-inset-left))}
header{padding-top:1.6rem;display:flex;flex-wrap:wrap;gap:.4rem 1.4rem;align-items:baseline;justify-content:space-between}
header a.brand{font:700 1.35rem Georgia,"Times New Roman",serif;color:var(--fg);text-decoration:none}
nav a{color:var(--muted);text-decoration:none;margin-right:1.1rem;font-size:.95rem}
nav a:hover,nav a[aria-current]{color:var(--accent)}
h1{font:700 2.1rem/1.2 Georgia,"Times New Roman",serif;margin:2rem 0 .6rem;text-wrap:balance}
h2{font:700 1.3rem/1.3 Georgia,serif;margin:2.2rem 0 .5rem;text-wrap:balance}
h3{font-size:1.02rem;margin:1.4rem 0 .2rem}
p,li{max-width:40rem}
a{color:var(--accent)}
.lead{font-size:1.2rem;color:var(--muted)}
.card{background:var(--card);border:1px solid var(--rule);border-radius:14px;padding:1rem 1.2rem;margin:1rem 0}
.grid{display:grid;gap:.8rem;grid-template-columns:repeat(auto-fit,minmax(14rem,1fr))}
.tag{display:inline-block;font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
kbd,.chip{display:inline-block;border:1px solid var(--rule);background:var(--card);border-radius:8px;padding:0 .45rem;font:600 .9rem system-ui}
footer{padding:2.5rem max(1.1rem,env(safe-area-inset-left)) 3rem;color:var(--muted);font-size:.9rem}
ul{padding-left:1.2rem}