/* Basic reset & typography */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fefefe;
  }
  header {
    background-color: #007acc;
    color: #fff;
    padding: 1rem 0;
  }
  nav ul {
    display: flex;
    justify-content: center;
    list-style: none;
    margin-bottom: 1rem;
  }
  nav ul li {
    margin: 0 1rem;
  }
  nav ul li a {
    color: #fff;
    text-decoration: none;
    font-weight: bold;
  }
  .header-content {
    text-align: center;
    margin-bottom: 2rem;
  }
  .header-content h1 {
    margin-bottom: 0.5rem;
  }
  main {
    max-width: 800px;
    margin: 0 auto;
    padding: 1rem;
  }
  section {
    margin-bottom: 2rem;
  }
  section h2 {
    margin-bottom: 0.5rem;
    color: #007acc;
  }
  footer {
    text-align: center;
    background-color: #f2f2f2;
    padding: 1rem 0;
    margin-top: 2rem;
  }