body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background-color: #0d0d0d;
    color: white;
  }
  
  header {
    background: #1a1a1a;
    padding: 1rem;
    font-size: 1rem;
  }
  
  header a {
    color: cyan;
    text-decoration: none;
  }
  
  main {
    display: flex;
    justify-content: center;
    padding: 2rem;
  }
  
  .card {
    background-color: #1c1c1c;
    padding: 2rem;
    border-radius: 15px;
    max-width: 600px;
    width: 100%;
    box-shadow: 0 2px 10px rgba(0,0,0,0.5);
  }
  
  .card img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    margin-bottom: 1rem;
  }
  
  .card h2 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
  }
  
  .card p {
    font-size: 1rem;
    margin: 0.5rem 0;
  }
  
  .card button {
    margin-top: 1rem;
    background-color: cyan;
    color: black;
    border: none;
    padding: 0.75rem 1.5rem;
    font-weight: bold;
    font-size: 1rem;
    border-radius: 10px;
    cursor: pointer;
  }
  
  .card button:hover {
    background-color: #00e6e6;
  }
  .image-gallery {
    text-align: center;
    margin-bottom: 1rem;
  }
  
  #main-image {
    width: 100%;
    max-height: 400px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 1rem;
  }
  
  .thumbnails {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
  }
  
  .thumbnails img {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 6px;
    cursor: pointer;
    border: 2px solid transparent;
  }
  
  .thumbnails img:hover,
  .thumbnails img:focus {
    border-color: cyan;
  }