/* Reset & defaults */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  padding: 20px;
  max-width: 960px;
  margin: auto;
}

header {
  text-align: center;
  margin-bottom: 2rem;
}

header nav a {
  margin: 0 1rem;
  text-decoration: none;
  color: #333;
  font-weight: bold;
}

header nav a:hover {
  color: rgb(50,50,200);
}

section {
  margin-bottom: 2rem;
}

footer {
  text-align: center;
  margin-top: 2rem;
  font-size: 0.9rem;
  color: #777;
}