:root {
  --bg: #ffffff;
  --text: #111111;
  --muted: #555555;
  --link: #0a58ca;
  --border: #e6e6e6;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0b0b;
    --text: #eaeaea;
    --muted: #a5a5a5;
    --link: #4da3ff;
    --border: #222222;
  }
}

* {
  box-sizing: border-box;
}

html, body {
  padding: 0;
  margin: 0;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: ui-serif, Georgia, Cambria, "Times New Roman", Times, serif;
  font-size: 18px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.wrap {
  max-width: 720px;
  padding: 24px;
  margin: 48px auto 80px;
}

.site-header h1 {
  font-size: 40px;
  font-weight: 700;
  margin: 0 0 4px 0;
}

.tagline {
  margin: 0 0 12px 0;
  color: var(--muted);
}

.nav {
  margin: 0 0 24px 0;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
}

.nav a:hover {
  color: var(--text);
  text-decoration: underline;
}

.sep {
  padding: 0 8px;
  color: var(--muted);
}

.section {
  margin: 28px 0 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.section h2 {
  font-size: 20px;
  margin: 0 0 12px 0;
}

.list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.list li {
  margin: 10px 0;
}

.item-title {
  color: var(--text);
  text-underline-offset: 2px;
}

.item-title:hover {
  color: var(--link);
}

.item-desc {
  display: block;
  color: var(--muted);
}

a {
  color: var(--link);
}

a:hover {
  text-decoration: underline;
}

.site-footer {
  margin-top: 40px;
  color: var(--muted);
}