:root {
  --bg: #fbfaf7; --fg: #1f2421; --muted: #5f6763; --line: #e2e4df; --accent: #2f6f5e;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #141816; --fg: #e8ece9; --muted: #9ba6a0; --line: #2b3431; --accent: #7cc3ad; }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui, sans-serif;
}
a { color: var(--accent); }
.top, main, footer { max-width: 760px; margin: 0 auto; padding: 0 20px; }
.top { display: flex; justify-content: space-between; align-items: center; padding-top: 24px; padding-bottom: 24px; }
.brand { font-weight: 700; font-size: 1.2rem; text-decoration: none; color: var(--fg); }
h1 { font-size: clamp(1.9rem, 5vw, 2.6rem); line-height: 1.15; margin: 24px 0 16px; }
h2 { font-size: 1.2rem; margin: 32px 0 8px; }
.lede { font-size: 1.1rem; color: var(--muted); }
.lede.es { font-size: 1rem; }
.meta { color: var(--muted); font-size: .9rem; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 8px 24px; }
.grid h2 { margin-top: 24px; }
.grid p { margin: 0; color: var(--muted); }
code { font: .88em ui-monospace, Menlo, monospace; }
hr { border: 0; border-top: 1px solid var(--line); margin: 48px 0; }
footer { color: var(--muted); font-size: .9rem; border-top: 1px solid var(--line); margin-top: 56px; padding-top: 16px; padding-bottom: 40px; }