body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    color: #333;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
  }
  
  header {
    background-color: #333;
    color: white;
    padding: 1rem 0;
  }
  
  header nav ul {
    display: flex;
    justify-content: center;
    list-style: none;
    margin: 0;
    padding: 0;
  }
  
  header nav ul li {
    margin: 0 1rem;
  }
  
  header nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: bold;
  }
  
  header nav ul li a:hover {
    text-decoration: underline;
  }
  
  main {
    flex: 1;
    padding: 2rem 1rem;
  }
  
  .hero {
    background-color: #f4f4f4;
    padding: 3rem 1rem;
    text-align: center;
  }
  
  .hero h2 {
    margin-bottom: 1rem;
    font-size: 2rem;
  }
  
  .hero p {
    margin-bottom: 2rem;
    font-size: 1.2rem;
  }
  
  .btn {
    background-color: #007BFF;
    color: white;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    cursor: pointer;
  }
  
  .btn:hover {
    background-color: #0056b3;
  }
  
  section {
    padding: 2rem 1rem;
  }
  
  .about, .benefits, .cta {
    max-width: 800px;
    margin: 0 auto;
  }
  
  .benefits ul {
    list-style: none;
    padding: 0;
  }
  
  .benefits ul li {
    margin-bottom: 2rem;
  }
  
  footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 1rem 0;
    margin-top: auto;
  }
  
  @media (max-width: 768px) {
    header nav ul {
      flex-direction: column;
    }
  
    .hero h2 {
      font-size: 1.5rem;
    }
  
    .hero p {
      font-size: 1rem;
    }
  
    .btn {
      padding: 1rem 2rem;
    }
  
    .benefits ul li {
      text-align: left;
    }
  }