:root {
  --text: #111;
  --muted: #666;
  --border: #ddd;
  --bg: #fff;
  --link: #111;
  --max-width: 920px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 18px/1.6 Georgia, "Times New Roman", serif;
}

a {
  color: var(--link);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.page {
  max-width: var(--max-width);
  margin: 48px auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 48px;
}

nav {
  position: sticky;
  top: 32px;
  align-self: start;
}

nav h1 {
  font-size: 1rem;
  margin: 0 0 24px;
  font-weight: normal;
}

nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

nav li {
  margin: 0 0 10px;
}

nav a.active {
  color: var(--muted);
}

main section {
  margin-bottom: 56px;
}

h2 {
  font-size: 1.1rem;
  font-weight: normal;
  margin: 0 0 18px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
}

p {
  margin: 0 0 16px;
}

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

.writing-list li,
.links-list li {
  margin: 0 0 14px;
}

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

@media (max-width: 720px) {
  .page {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  nav {
    position: static;
  }

  nav ul {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
  }

  nav li {
    margin: 0;
  }
}