:root { --bg: #fff8f0; --fg: #2a1d14; --muted: #6b5a4d; --brand: #d9480f; --card: #fff; --soft: #f1e6dc; }
@media (prefers-color-scheme: dark) {
  :root { --bg: #1c1612; --fg: #f6ece3; --muted: #b9a89a; --card: #2a211b; --soft: #3a2d24; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
main, header, footer { max-width: 920px; margin: 0 auto; padding: 0 20px; }
header { display: flex; justify-content: space-between; align-items: center; padding-top: 20px; padding-bottom: 20px; }
.logo { font-weight: 800; font-size: 20px; color: var(--fg); text-decoration: none; }
a { color: var(--brand); }
.hero { text-align: center; padding: 56px 0 40px; }
.hero h1 { font-size: clamp(34px, 7vw, 56px); line-height: 1.1; margin: 0 0 16px; }
.hero p { color: var(--muted); font-size: 20px; max-width: 560px; margin: 0 auto 28px; }
.badge { display: inline-block; background: var(--brand); color: #fff; padding: 12px 22px; border-radius: 12px; font-weight: 700; text-decoration: none; }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); padding: 24px 0 48px; }
.card { background: var(--card); border-radius: 16px; padding: 20px; box-shadow: 0 2px 10px rgba(0,0,0,.07); }
.card h3 { margin: 6px 0; }
.card p { margin: 0; color: var(--muted); }
.emoji { font-size: 32px; }
.loop { background: var(--soft); border-radius: 16px; padding: 20px; text-align: center; font-weight: 600; }
footer { padding-top: 40px; padding-bottom: 40px; color: var(--muted); font-size: 15px; text-align: center; }
.doc { padding: 24px 0 48px; max-width: 700px; }
.doc h2 { margin-top: 32px; }