:root {
  --bg: #fbfaf7; --fg: #17171a; --muted: #5e5e66; --line: #e6e3dc; --card: #ffffff;
  --accent: #0f6b5c; --accent-soft: #e3f1ee;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0e1112; --fg: #ececea; --muted: #a2a7a6; --line: #262b2c; --card: #151a1b; --accent: #5cc8b2; --accent-soft: #12302b; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif; }
a { color: var(--accent); }
.wrap { max-width: 860px; margin: 0 auto; padding: 0 20px; }
.top { border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--fg); text-decoration: none; font-weight: 650; letter-spacing: .01em; }
nav { display: flex; gap: 18px; font-size: 15px; }
nav a { color: var(--muted); text-decoration: none; }
nav a:hover, nav a[aria-current="page"] { color: var(--fg); }
.hero { padding: 72px 0 40px; }
.eyebrow { color: var(--accent); font-size: 13px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; margin: 0 0 12px; }
h1 { font-size: clamp(2rem, 5vw, 2.8rem); line-height: 1.15; margin: 0 0 14px; letter-spacing: -.01em; }
.lead { font-size: 1.15rem; color: var(--fg); max-width: 640px; margin: 0 0 12px; }
.note { color: var(--muted); margin: 0; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; padding-bottom: 56px; }
.card { display: block; background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 18px 20px; color: var(--fg); text-decoration: none; transition: border-color .15s; }
.card:hover { border-color: var(--accent); }
.card h2 { font-size: 1.05rem; margin: 0 0 6px; }
.card p { color: var(--muted); margin: 0; font-size: 15px; overflow-wrap: anywhere; }
.doc { padding: 48px 0 32px; max-width: 720px; }
.doc .meta { color: var(--muted); margin: 0 0 28px; }
.doc h2 { font-size: 1.2rem; margin: 36px 0 8px; padding-top: 18px; border-top: 1px solid var(--line); }
.doc li { margin: 4px 0; }
.foot { border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; padding-top: 18px; padding-bottom: 36px; }
.foot p { margin: 4px 0; }