body {
    font-family: 'Source Sans Pro', sans-serif;
    background-color: #f9f9f9;
    margin: 0;
    padding: 2rem;
    text-align: center;
  }
  
  h1 {
    font-family: "Anton", sans-serif;
    color: #2c3e50;
    margin-bottom: 2rem;
  }
  
  .calculator-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
  }
  
  .calculator-buttons a {
    display: inline-block;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.2s ease;
    font-weight: bold;
  }
  
  /* Version-specific colors */
  .elite-btn {
    color: #4CAF50;
    border: 5px solid #4CAF50;
  }
  .elite-btn:hover {
    background-color: #4CAF50;
    color: white;
  }
  
  .pro-btn {
    color: crimson;
    border: 5px solid crimson;
  }
  .pro-btn:hover {
    background-color: crimson;
    color: white;
  }
  
  .employee-btn {
    color: #666;
    border: 5px solid #666;
  }
  .employee-btn:hover {
    background-color: #666;
    color: white;
  }
  
  .corridor-btn {
    color: #ffc940;
    border: 5px solid #ffc940;
  }
  .corridor-btn:hover {
    background-color: #ffc940;
    color: white;
  }
  
  @media (max-width: 480px) {
    .calculator-buttons {
      flex-direction: column;
    }
  
    .calculator-buttons a {
      width: 100%;
      font-size: 1rem;
    }
  }