/* Reset */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  body {
    font-family: 'Georgia', serif;
    background: #fff;
    color: #111;
    line-height: 1.7;
    padding: 2rem;
    max-width: 720px;
    margin: auto;
    user-select: text;
  }
  
  header {
    text-align: center;
    margin-bottom: 3rem;
    border-bottom: 2px solid #111;
    padding-bottom: 1rem;
  }
  
  header h1 {
    font-weight: 700;
    font-size: 3rem;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
    font-style: italic;
  }
  
  nav {
    margin-top: 0.5rem;
  }
  
  nav a {
    font-family: 'Palatino Linotype', 'Book Antiqua', Palatino, serif;
    color: #111;
    text-decoration: none;
    margin: 0 1.2rem;
    font-weight: 600;
    font-size: 1.1rem;
    transition: color 0.3s ease;
    border-bottom: 1px solid transparent;
    padding-bottom: 2px;
  }
  
  nav a:hover,
  nav a:focus {
    color: #555;
    border-bottom: 1px solid #555;
    outline: none;
  }
  
  section {
    margin-bottom: 3rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #ddd;
  }
  
  h2 {
    font-family: 'Georgia', serif;
    font-weight: 600;
    font-size: 2rem;
    margin-bottom: 1rem;
    font-style: normal;
    color: #111;
    border-left: 4px solid #111;
    padding-left: 12px;
  }
  
  ul {
    list-style-type: disc;
    padding-left: 2rem;
    color: #333;
    font-size: 1.1rem;
  }
  
  p {
    font-size: 1.1rem;
    margin-bottom: 1.25rem;
    color: #222;
  }
  
  .btn {
    display: inline-block;
    background: #111;
    color: #fff;
    padding: 0.75rem 1.75rem;
    border-radius: 25px;
    font-weight: 600;
    font-family: 'Georgia', serif;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.3s ease;
    user-select: none;
    box-shadow: 2px 2px 5px rgba(0,0,0,0.15);
  }
  
  .btn:hover,
  .btn:focus {
    background: #444;
    outline: none;
  }
  
  footer {
    text-align: center;
    padding: 1rem 0;
    font-size: 0.9rem;
    color: #666;
    border-top: 1px solid #ddd;
    font-style: italic;
    user-select: none;
  }
  
  /* Responsive */
  @media (max-width: 480px) {
    body {
      padding: 1rem;
      max-width: 100%;
    }
  
    header h1 {
      font-size: 2rem;
    }
  
    nav a {
      margin: 0 0.7rem;
      font-size: 1rem;
    }
  }