body {
  max-width: 760px;
  margin: 0 auto;
  padding: 2rem;
  font-family: system-ui, sans-serif;
  line-height: 1.6;
}

header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid #ddd;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
}

.site-title {
  font-weight: 700;
}

nav a {
  margin-left: 1rem;
}

a {
  color: inherit;
}

article {
  margin-bottom: 2rem;
}

time {
  color: #666;
  font-size: 0.9rem;
}

footer {
  border-top: 1px solid #ddd;
  margin-top: 3rem;
  padding-top: 1rem;
  color: #666;
}