* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  body {
    font-family: 'Segoe UI', sans-serif;
    background-color: #fff;
    color: #000;
    line-height: 1.6;
  }
  
  .navbar {
    background: #fff;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    border-bottom: 1px solid #ddd;
  }
  
  .logo {
    font-size: 1.5rem;
    font-weight: bold;
  }
  
  nav ul {
    display: flex;
    list-style: none;
    gap: 1.5rem;
  }
  
  nav a {
    text-decoration: none;
    color: #000;
    font-weight: 500;
    transition: 0.2s;
  }
  
  nav a:hover {
    opacity: 0.7;
  }
  
  .btn {
    background: #000;
    color: #fff !important;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: 0.3s;
  }
  
  .btn:hover {
    opacity: 0.85;
  }
  
  .hero {
    padding: 4rem 2rem;
    text-align: center;
    background: #f5f5f5;
  }
  
  .hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
  }
  
  .hero p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
  }
  
  .services {
    padding: 4rem 2rem;
    text-align: center;
  }
  
  .services h2 {
    margin-bottom: 2rem;
    font-size: 2rem;
  }
  
  .card-container {
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
  
  .card {
    padding: 2rem;
    border: 1px solid #ccc;
    border-radius: 8px;
    text-align: left;
    background: #fff;
    transition: box-shadow 0.3s ease;
  }
  
  .card:hover {
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  }
  
  .card h3 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
  }
  
  .card p {
    margin-bottom: 1rem;
  }
  
  .footer {
    padding: 2rem;
    text-align: center;
    font-size: 0.9rem;
    background: #f9f9f9;
    border-top: 1px solid #ddd;
  }