body {
  margin: 0;
  font-family: system-ui, -apple-system, sans-serif;
  background: #f9fafb;
  color: #111;
}

header {
  background: #111;
  color: #fff;
  padding: 1rem;
}

nav {
  display: flex;
  justify-content: flex-start;
}

nav a {
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  margin-right: 1.5rem; /* Add spacing between links */
}

nav a:last-child {
  margin-right: 0; /* Remove margin from last link */
}

nav a:hover {
  text-decoration: underline;
}

main {
  max-width: 800px;
  margin: 2rem auto;
  padding: 0 1rem;
}

h1, h2 {
  color: #111;
}

footer {
  text-align: center;
  margin-top: 4rem;
  padding: 1rem;
  font-size: 0.9rem;
  color: #555;
}

@media (max-width: 600px) {
  nav {
    flex-direction: column;
    align-items: flex-start;
  }

  nav a {
    margin-right: 0;
    margin-bottom: 1rem;
  }

  nav a:last-child {
    margin-bottom: 0;
  }
}