:root {
  --bg: #ffffff;
  --text: #1c1f24;
  --muted: #5b626d;
  --accent: #0b6e6e;
  --card: #f4f6f8;
  --border: #dde2e7;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111418;
    --text: #e6e9ed;
    --muted: #9aa3ad;
    --accent: #4fc3c3;
    --card: #1a1f25;
    --border: #2a3139;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
}

header, main, footer {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 16px;
}

.intro { padding-top: 64px; padding-bottom: 32px; }
.handle { color: var(--accent); font-weight: 600; margin: 0; }
h1 { font-size: 2.2rem; margin: 4px 0; line-height: 1.2; }
.tagline { color: var(--muted); margin: 0 0 16px; }
.summary { max-width: 60ch; }

.links { display: flex; gap: 16px; flex-wrap: wrap; }
.links a {
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: 6px;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

section { padding: 24px 0; border-top: 1px solid var(--border); }
h2 { font-size: 1.3rem; margin-top: 0; }
h3 { font-size: 1rem; margin: 0 0 4px; }

.grid {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}
.grid li {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
}
.grid p { margin: 0; color: var(--muted); font-size: 0.95rem; }

footer {
  padding-top: 24px;
  padding-bottom: 48px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}