:root {
  --bg: #fbfaf7;
  --text: #1d1d1f;
  --muted: #5d5d63;
  --line: #e3e0d8;
  --accent: #2f5d8a;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111215;
    --text: #ececef;
    --muted: #a3a3ab;
    --line: #2a2c31;
    --accent: #8db8e3;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

main {
  max-width: 42rem;
  margin: 0 auto;
  padding: 3rem 1rem 4rem;
}

h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 0.5rem; }
h2 { font-size: 1.15rem; margin: 2.2rem 0 0.5rem; }
p, li { margin: 0 0 0.8rem; }
ul { padding-left: 1.2rem; }
a { color: var(--accent); }

.lead { color: var(--muted); font-size: 1.1rem; }
.meta { color: var(--muted); font-size: 0.95rem; }

.channels { list-style: none; padding: 0; }
.channels li {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.9rem 1rem;
  margin-bottom: 0.8rem;
}
.channels strong { display: block; }

nav { margin-bottom: 2rem; font-size: 0.95rem; }
nav a { margin-right: 1rem; }

footer {
  border-top: 1px solid var(--line);
  margin-top: 3rem;
  padding-top: 1rem;
  color: var(--muted);
  font-size: 0.9rem;
}