:root {
  --bg: #fbfaf7;
  --fg: #1c1c1a;
  --muted: #6b6a64;
  --accent: #1f5f4a;
  --line: #e3e0d8;
  --card: #ffffff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14160f;
    --fg: #ecebe4;
    --muted: #a2a095;
    --accent: #6fcf9f;
    --line: #2c2f25;
    --card: #1b1d15;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.65 Georgia, "Times New Roman", serif;
}
header.site {
  border-bottom: 1px solid var(--line);
  padding: 18px 16px;
}
header.site .wrap {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 24px;
}
.brand {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: 0.01em;
}
nav a {
  font: 0.95rem -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  color: var(--muted);
  text-decoration: none;
  margin-right: 16px;
}
nav a:hover, nav a[aria-current="page"] { color: var(--accent); }
main {
  max-width: 860px;
  margin: 0 auto;
  padding: 36px 16px 64px;
}
h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 0.5em; }
h2 { font-size: 1.3rem; margin-top: 2em; }
a { color: var(--accent); }
.lead { color: var(--muted); font-size: 1.1rem; }
.grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  margin-top: 24px;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px 18px;
}
.card h3 { margin: 0 0 6px; font-size: 1.05rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.95rem; }
.note {
  border-left: 3px solid var(--accent);
  background: var(--card);
  padding: 12px 16px;
  margin: 24px 0;
  font-size: 0.95rem;
  color: var(--muted);
}
footer.site {
  border-top: 1px solid var(--line);
  padding: 20px 16px;
  text-align: center;
  color: var(--muted);
  font: 0.85rem -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
}
ul.links { padding-left: 1.1em; }
ul.links li { margin: 0.4em 0; }