:root {
  --green: #2D5A27;
  --green-light: #EAF3DE;
  --green-dark: #1A2E1A;
  --paper: #F1EEE7;
  --text: #3D3D3A;
  --muted: #6B6B67;
  --card: #FFFFFF;
  --line: #E2DED5;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #151A14;
    --card: #1E251C;
    --text: #E8E6E0;
    --muted: #A9A79F;
    --green-light: #26331F;
    --line: #2E382B;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
header, main, footer { max-width: 760px; margin: 0 auto; padding: 0 20px; }
header { display: flex; align-items: center; justify-content: space-between; padding-top: 24px; }
header a.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; font-size: 20px; }
header nav a { color: var(--muted); margin-left: 16px; text-decoration: none; font-size: 15px; }
header nav a:hover { color: var(--green); }
.logo { width: 34px; height: 34px; border-radius: 50%; background: var(--green); display: grid; place-items: center; }
main { padding-top: 32px; padding-bottom: 48px; }
h1 { font-size: 36px; line-height: 1.2; margin: 0 0 8px; color: var(--text); }
h2 { font-size: 22px; margin: 36px 0 8px; }
h3 { font-size: 18px; margin: 24px 0 4px; }
p, li { color: var(--text); }
.muted { color: var(--muted); }
a { color: var(--green); }
@media (prefers-color-scheme: dark) { a { color: #8FC17F; } }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 20px 22px; margin: 16px 0; }
.lead { font-size: 20px; color: var(--muted); }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; margin-top: 24px; }
.features .card { margin: 0; }
.features h3 { margin-top: 0; }
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; }
.note { background: var(--green-light); border-radius: 12px; padding: 12px 16px; }
footer { border-top: 1px solid var(--line); padding-top: 16px; padding-bottom: 32px; font-size: 14px; color: var(--muted); }
footer a { color: var(--muted); margin-right: 14px; }