:root {
  --bg: #F6F5F2; --card: #FFFFFF; --text: #1B1B1A; --muted: #6B6A66; --line: #E4E2DC; --accent: #2F6B4F;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #141413; --card: #1F1F1D; --text: #F2F1EC; --muted: #A3A19A; --line: #33322F; --accent: #6FBF95; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }
.wrap { max-width: 960px; margin: 0 auto; padding: 0 20px; }
.top { border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; justify-content: space-between; align-items: center; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; color: var(--text); text-decoration: none; }
.top nav a { text-decoration: none; font-weight: 600; }
.hero { padding: 72px 0 40px; }
.hero h1 { font-size: clamp(32px, 6vw, 52px); line-height: 1.1; margin: 0 0 18px; letter-spacing: -0.02em; }
.lead { font-size: 20px; color: var(--muted); max-width: 640px; margin: 0 0 20px; }
.soon { display: inline-block; background: var(--accent); color: var(--bg); font-weight: 700; padding: 10px 18px; border-radius: 999px; margin: 0; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 14px; padding-bottom: 32px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 20px; }
.card h2 { font-size: 18px; margin: 0 0 6px; }
.card p { margin: 0; color: var(--muted); font-size: 16px; }
.plain { padding-bottom: 56px; }
.plain p { max-width: 720px; }
.plain h2 { font-size: 22px; margin: 28px 0 6px; }
.doc { max-width: 720px; margin: 0 auto; padding: 40px 20px 64px; }
.doc h1 { font-size: 34px; margin: 0 0 4px; }
.doc h2 { font-size: 20px; margin: 28px 0 6px; }
.muted { color: var(--muted); }
footer { border-top: 1px solid var(--line); padding: 20px 0; font-size: 15px; color: var(--muted); }
footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }