:root {
  --bg: #fafaf8;
  --surface: #ffffff;
  --text: #1f2a1e;
  --muted: #5c6b5a;
  --accent: #4b6a47;
  --border: #e3e7e1;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #151915;
    --surface: #1e241d;
    --text: #e8ece6;
    --muted: #9aa898;
    --accent: #7fa06d;
    --border: #2c342b;
  }
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.65;
  padding: 2.5rem 1.25rem 4rem;
}
main { max-width: 42rem; margin: 0 auto; }
.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 2rem;
  font-weight: 600;
  color: var(--muted);
}
.brand .dot {
  width: 0.9rem; height: 0.9rem;
  border-radius: 0.25rem;
  background: var(--accent);
}
.brand a { color: inherit; text-decoration: none; }
h1 { font-size: 1.7rem; line-height: 1.25; margin-bottom: 0.4rem; }
.stand { color: var(--muted); font-size: 0.9rem; margin-bottom: 2rem; }
h2 { font-size: 1.1rem; margin: 1.8rem 0 0.5rem; }
p { margin-bottom: 0.9rem; }
a { color: var(--accent); }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1.1rem 1.25rem;
  margin: 1rem 0;
}
.card h2 { margin-top: 0; }
footer {
  max-width: 42rem;
  margin: 3rem auto 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}
footer a { color: var(--muted); }