* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f4f4f4;
  }
  
  .navbar {
    background-color: #1d3557;
    color: white;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .nav-links {
    list-style: none;
    display: flex;
    gap: 1rem;
  }
  
  .nav-links a {
    color: white;
    text-decoration: none;
    font-weight: bold;
  }
  
  .hero {
    background: linear-gradient(to right, #457b9d, #1d3557);
    color: white;
    text-align: center;
    padding: 4rem 2rem;
  }
  
  .hero .btn {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.8rem 1.5rem;
    background-color: #e63946;
    color: white;
    border: none;
    border-radius: 5px;
    text-decoration: none;
  }
  
  .about, .contact {
    padding: 2rem;
    background-color: white;
    margin: 1rem;
    border-radius: 10px;
  }
  
  footer {
    text-align: center;
    padding: 1rem;
    background-color: #1d3557;
    color: white;
    margin-top: 2rem;
  }
  
  @media (max-width: 768px) {
    .nav-links {
      flex-direction: column;
      align-items: center;
    }
  }