:root {
  --bg: #fbfaf7;
  --ink: #23302b;
  --muted: #5d6b64;
  --accent: #2f6b57;
  --accent-ink: #ffffff;
  --card: #ffffff;
  --line: #e4e1d8;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14201b;
    --ink: #e8efe9;
    --muted: #a3b3aa;
    --accent: #6fbf9f;
    --accent-ink: #0e1a15;
    --card: #1b2b24;
    --line: #2c3f36;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.wrap { max-width: 960px; margin: 0 auto; padding: 0 16px; }
header { border-bottom: 1px solid var(--line); }
header .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 24px; padding-top: 16px; padding-bottom: 16px; }
.brand { font-weight: 700; font-size: 1.15rem; color: var(--ink); text-decoration: none; letter-spacing: .01em; }
nav { display: flex; flex-wrap: wrap; gap: 4px 20px; }
nav a { color: var(--muted); text-decoration: none; }
nav a:hover, nav a[aria-current] { color: var(--accent); }
.hero { padding: 64px 0 40px; }
h1 { font-size: clamp(2rem, 5vw, 3rem); line-height: 1.15; margin: 0 0 16px; }
h2 { font-size: 1.4rem; margin: 40px 0 12px; }
h3 { font-size: 1.1rem; margin: 0 0 6px; }
p { margin: 0 0 14px; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 40em; }
.btn { display: inline-block; background: var(--accent); color: var(--accent-ink); padding: 12px 22px; border-radius: 8px; text-decoration: none; font-weight: 600; }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 20px; }
.card p { color: var(--muted); margin: 0; }
main.page { padding-top: 40px; padding-bottom: 56px; }
main.page ul { padding-left: 1.2em; }
a { color: var(--accent); }
footer { border-top: 1px solid var(--line); color: var(--muted); font-size: .9rem; padding: 24px 0; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; }