:root { --bg: #f4f8f5; --ink: #12241d; --muted: #5b6b64; --brand: #0f9d7a; --brand-dark: #0b6e56; --card: #fff; --line: #dfe9e3; }
@media (prefers-color-scheme: dark) { :root { --bg: #0d1714; --ink: #e8f1ec; --muted: #9db0a7; --brand: #2bc39b; --brand-dark: #1f9b7a; --card: #14211c; --line: #22342c; } }
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; background: var(--bg); color: var(--ink); }
a { color: var(--brand); }
.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; max-width: 960px; margin: 0 auto; padding: 18px 16px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--ink); text-decoration: none; font-size: 18px; }
.brand img { width: 36px; height: 36px; }
.top nav { display: flex; gap: 18px; }
.top nav a { color: var(--muted); text-decoration: none; }
.top nav a:hover { color: var(--brand); }
.hero { max-width: 760px; margin: 40px auto 24px; padding: 0 16px; text-align: center; }
.hero-icon { width: 124px; height: 124px; filter: drop-shadow(0 12px 22px rgba(15,157,122,.28)); }
.hero h1 { font-size: clamp(32px, 6vw, 48px); margin: 18px 0 6px; letter-spacing: -0.02em; }
.lead { font-size: 19px; color: var(--muted); margin: 0 auto 18px; max-width: 620px; }
.chips { list-style: none; padding: 0; margin: 0 0 24px; display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.chips li { background: var(--card); border: 1px solid var(--line); border-radius: 999px; padding: 4px 12px; font-size: 14px; }
.btn { display: inline-block; background: var(--brand); color: #fff; text-decoration: none; padding: 11px 22px; border-radius: 10px; font-weight: 600; }
.btn:hover { background: var(--brand-dark); }
.cards { max-width: 960px; margin: 24px auto 40px; padding: 0 16px; display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 18px; }
.card h3 { margin: 0 0 6px; font-size: 17px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.doc { max-width: 760px; margin: 10px auto 40px; padding: 0 16px; }
.doc h1 { font-size: 34px; margin: 14px 0 0; letter-spacing: -0.01em; }
.doc h2 { font-size: 21px; margin: 30px 0 6px; }
.doc h3 { font-size: 16px; margin: 16px 0 4px; }
.doc li { margin: 4px 0; }
.muted { color: var(--muted); }
code { background: var(--card); border: 1px solid var(--line); border-radius: 5px; padding: 0 4px; font-size: 14px; }
.foot { text-align: center; color: var(--muted); font-size: 14px; padding: 24px 16px 36px; border-top: 1px solid var(--line); }