:root {
  --bg: #ffffff;
  --text: #1b1f1d;
  --muted: #5d6762;
  --border: #d9e0dc;
  --accent: #1a7f4b;
  --accent-text: #ffffff;
  --code-bg: #f1f4f2;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161a18;
    --text: #e7ece9;
    --muted: #9aa69f;
    --border: #344039;
    --accent: #36b46f;
    --accent-text: #08130d;
    --code-bg: #1f2522;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.page { max-width: 720px; margin: 0 auto; padding: 40px 16px 64px; }
h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 4px; }
h2 { font-size: 1.2rem; margin: 2em 0 0.5em; }
a { color: var(--accent); }
code { background: var(--code-bg); padding: 1px 5px; border-radius: 4px; font-size: 0.9em; word-break: break-word; }
li { margin: 0.35em 0; }
.muted { color: var(--muted); }
.crumb { margin: 0 0 24px; }
.hero { display: flex; gap: 16px; align-items: center; margin-bottom: 8px; }
.hero img { border-radius: 14px; flex-shrink: 0; }
.lead { margin: 0; font-size: 1.1rem; color: var(--muted); }
.button {
  display: inline-block;
  background: var(--accent);
  color: var(--accent-text);
  padding: 10px 18px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
}
footer { margin-top: 48px; padding-top: 16px; border-top: 1px solid var(--border); font-size: 0.9rem; }
@media (max-width: 480px) {
  .hero { flex-direction: column; align-items: flex-start; }
}