:root { color-scheme: dark; --bg:#0D1030; --top:#1C1F57; --surface:#171B44; --border:#2E356E; --text:#F5F1E8; --muted:#AEB2D6; --accent:#F6BE62; --moon:#FFE3A3; }
* { box-sizing: border-box; }
body { margin: 0; background: radial-gradient(1100px 600px at 70% -10%, var(--top), var(--bg) 70%) fixed, var(--bg); color: var(--text);
  font: 18px/1.65 Nunito, system-ui, -apple-system, sans-serif; }
a { color: var(--accent); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
.nav { max-width: 860px; margin: 0 auto; padding: 18px 20px; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.brand { display: flex; gap: 10px; align-items: center; color: var(--text); text-decoration: none; font: 700 21px Fraunces, Georgia, serif; }
.brand img { width: 32px; height: 32px; border-radius: 9px; }
.nav nav { display: flex; gap: 18px; flex-wrap: wrap; }
.nav nav a { color: var(--muted); text-decoration: none; font-weight: 700; font-size: 15px; }
.nav nav a[aria-current] { color: var(--text); }
main { max-width: 760px; margin: 0 auto; padding: 24px 20px 80px; }
h1, h2 { font-family: Fraunces, Georgia, serif; letter-spacing: -0.01em; line-height: 1.15; }
h1 { font-size: clamp(34px, 6vw, 52px); margin: 10px 0 8px; }
h2 { font-size: 24px; margin: 36px 0 8px; scroll-margin-top: 20px; }
.lede { color: var(--muted); margin-top: 0; }
.toc { background: var(--surface); border: 1px solid var(--border); border-radius: 18px; padding: 16px 20px; margin: 24px 0; }
.toc b { display: block; margin-bottom: 6px; }
.toc a { display: inline-block; margin: 2px 14px 2px 0; font-size: 15px; }
p, li { color: #DCDDF0; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 18px; padding: 18px 22px; margin: 18px 0; }
footer { max-width: 760px; margin: 0 auto; padding: 24px 20px 48px; color: var(--muted); font-size: 14px; border-top: 1px solid var(--border); }
footer a { color: var(--muted); }