:root {
  color-scheme: light;
  --bg: #fbfbf9;
  --ink: #22262a;
  --muted: #6b7280;
  --line: #e5e7eb;
  --accent: #0f766e;
  --accent-ink: #ffffff;
  --max: 62rem;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 1.25rem; }
header.site { border-bottom: 1px solid var(--line); background: #fff; }
.nav { display: flex; align-items: center; justify-content: space-between; padding: .9rem 0; gap: 1rem; }
.brand { font-weight: 650; letter-spacing: .01em; color: var(--ink); font-size: 1.05rem; }
.nav ul { display: flex; gap: 1.25rem; list-style: none; margin: 0; padding: 0; flex-wrap: wrap; }
.nav a { color: var(--ink); }
main { padding: 2.5rem 0 3rem; }
h1 { font-size: 1.9rem; line-height: 1.2; margin: 0 0 1rem; font-weight: 650; }
h2 { font-size: 1.3rem; margin: 2rem 0 .75rem; font-weight: 600; }
.lead { color: var(--muted); font-size: 1.08rem; margin: 0 0 1.5rem; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); gap: 1rem; margin-top: 1.25rem; }
.card { border: 1px solid var(--line); border-radius: 10px; padding: 1.25rem; background: #fff; }
.card h3 { margin: 0 0 .5rem; font-size: 1.05rem; }
.card p { margin: 0; color: var(--muted); }
footer.site { border-top: 1px solid var(--line); padding: 1.5rem 0; color: var(--muted); font-size: .9rem; background: #fff; }
footer.site .wrap { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.cta { display: inline-block; margin-top: 1.25rem; padding: .6rem 1.1rem; background: var(--accent); color: var(--accent-ink); border-radius: 8px; font-weight: 550; }
.cta:hover { text-decoration: none; opacity: .92; }
.dim { color: var(--muted); }
@media (max-width: 40rem) { .nav { flex-direction: column; align-items: flex-start; } }