:root {
  --bg-color: #ffffff;
  --text-color: #111111;
  --subtle-text: #666666;
  --line-color: #e5e5e5;
  --link-underline: #cccccc;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-color: #121212;
    --text-color: #ededed;
    --subtle-text: #888888;
    --line-color: #262626;
    --link-underline: #444444;
  }
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: Charter, "Bitstream Charter", "Sitka Text", Cambria, Georgia, serif;
  font-size: 1.1rem;
  line-height: 1.7;
  background-color: var(--bg-color);
  color: var(--text-color);
  max-width: 600px;
  margin: 0 auto;
  padding: 80px 24px;
  -webkit-font-smoothing: antialiased;
}

header {
  margin-bottom: 3.5rem;
}

h1 {
  font-size: 2.2rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
}

.subtitle {
  color: var(--subtle-text);
  font-size: 1rem;
  font-style: italic;
}

section {
  margin-bottom: 3rem;
}

h2 {
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--subtle-text);
  margin-bottom: 0.75rem;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

ul {
  list-style: none;
}

li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line-color);
}

li span {
  font-size: 0.95rem;
  color: var(--subtle-text);
}

a {
  color: var(--text-color);
  text-decoration: underline;
  text-decoration-color: var(--link-underline);
  text-underline-offset: 3px;
}

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

footer {
  margin-top: 5rem;
  font-size: 0.85rem;
  color: var(--subtle-text);
}
nav {
  margin-bottom: 3rem;
}

nav a {
  font-size: 0.95rem;
  color: var(--subtle-text);
  text-decoration: none;
}

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