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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  color: #333;
  max-width: 800px;
  margin: 0 auto;
  padding: 0 1rem;
}

header {
  padding: 1.5rem 0;
  border-bottom: 1px solid #eee;
}

nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.site-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #333;
  text-decoration: none;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
}

nav a {
  color: #555;
  text-decoration: none;
}

nav a:hover {
  color: #000;
}

main {
  padding: 2rem 0;
}

h1 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1rem;
  color: #555;
}

footer {
  padding: 1.5rem 0;
  border-top: 1px solid #eee;
  text-align: center;
  color: #888;
  font-size: 0.875rem;
}