:root {
  --bg: #FAF9FA; --fg: #1B1A1E; --muted: #5E5A63; --rule: #E4E0E6; --accent: #C8213F;
  --sans: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "JetBrains Mono", Menlo, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0E0E11; --fg: #EDEAEF; --muted: #A29DA8; --rule: #2A282E; --accent: #F43F5E; color-scheme: dark; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.65 var(--sans); }
.wrap { max-width: 680px; margin: 0 auto; padding: 48px max(16px, env(safe-area-inset-right)) 72px max(16px, env(safe-area-inset-left)); display: grid; gap: 28px; }
header { display: grid; gap: 8px; }
.eyebrow { font: 12px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--accent); }
h1 { font-size: 2rem; line-height: 1.2; margin: 0; text-wrap: balance; }
h2 { font-size: 1.05rem; margin: 8px 0 0; }
.meta { color: var(--muted); font-size: .9rem; margin: 0; }
nav { display: flex; flex-wrap: wrap; gap: 8px 20px; }
a { color: var(--accent); text-underline-offset: 3px; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
main { display: grid; gap: 12px; border-top: 1px solid var(--rule); padding-top: 28px; }
p, ul { margin: 0; }
ul { padding-left: 1.2em; display: grid; gap: 4px; }
code { font: .88em var(--mono); }