* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: sans-serif;
    background-color: #f4f4f4;
    color: #333;
  }
  
  .navbar {
    background-color: #000;
    color: #fff;
    display: flex;
    justify-content: space-between;
    padding: 1rem 2rem;
  }
  
  .nav-links {
    list-style: none;
    display: flex;
    gap: 1.5rem;
  }
  
  .nav-links a {
    color: white;
    text-decoration: none;
    transition: color 0.3s ease;
  }
  
  .nav-links a:hover {
    color: orange;
  }
  
  .section-title {
    padding: 2rem;
    text-align: center;
  }
  
  .installation-gallery, .client-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    padding: 0 2rem 2rem;
  }
  
  .card, .testimonial-card {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    text-align: center;
  }
  
  .card img, .testimonial-card img {
    width: 100%;
    height: auto;
  }
  
  .card-text, .testimonial-card p {
    padding: 1rem;
  }
  
  .card-text h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
  }
  
  .download-section {
    text-align: center;
    padding: 2rem;
  }
  
  .download-section p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
  }
  
  .download-btn {
    display: inline-block;
    background-color: orange;
    color: white;
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: background-color 0.3s ease;
  }
  
  .download-btn:hover {
    background-color: #e69500;
  }
  

  /* extra css code for images responsiveness */

  .card img, .testimonial-card img {
    width: 100%;
    height: auto;
    max-height: 250px;
    object-fit: cover;
    display: block;
  }

  
  @media (max-width: 768px) {
    .card img, .testimonial-card img {
      max-height: 180px;
    }
  }