* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    background: linear-gradient(135deg, #fdfbfb 0%, #ebedee 100%);
    color: #333;
    padding: 20px;
  }
  
  header {
    text-align: center;
    padding: 40px 0;
  }
  
  header h1 {
    font-size: 2.5rem;
    color: #005582;
    margin-bottom: 10px;
    cursor: pointer;
  }
  
  header a {
    text-decoration: none;
    color: inherit;
  }
  
  header a:hover {
    cursor: pointer;
  }
  
  .message {
    text-align: center;
    font-size: 1.2rem;
    margin: 20px 0;
  }
  
  .cta-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 20px;
  }
  
  .cta-buttons a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background-color: #005582;
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-weight: bold;
    transition: background-color 0.3s ease;
  }
  
  .cta-buttons a:hover {
    background-color: #003f63;
  }
  
  .cta-buttons img {
    width: 20px;
    height: 20px;
  }
  
  .gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    margin: 30px 0;
  }
  
  .image-card {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  }
  
  .image-card img {
    width: 100%;
    height: auto;
    display: block;
  }
  
  .image-card .caption {
    position: absolute;
    bottom: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(5px);
    color: #333;
    text-align: center;
    padding: 8px 12px;
    font-size: 0.95rem;
    font-weight: bold;
  }
  
  .about {
    max-width: 800px;
    margin: 30px auto;
    text-align: left;
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  }
  
  .about h2 {
    font-size: 1.5rem;
    color: #005582;
    margin-bottom: 15px;
  }
  
  .about p {
    margin-bottom: 15px;
  }
  
  .about ul {
    padding-left: 20px;
    margin-left: 10px;
  }
  
  .about ul li {
    margin-bottom: 8px;
  }
  
  footer {
    text-align: center;
    margin-top: 50px;
    padding: 15px 0;
    font-size: 0.9rem;
    color: #777;
    border-top: 1px solid #ddd;
  }
  
  .heb-button {
    text-align: center;
    margin: 30px 0;
  }
  
  .heb-button a {
    background-color: #005582;
    color: white;
    text-decoration: none;
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: bold;
    display: inline-block;
    transition: background-color 0.3s ease;
  }
  
  .heb-button a:hover {
    background-color: #003f63;
  }
  
  .download-button {
    display: inline-block;
    background-color: #005582;
    color: white;
    padding: 10px 20px;
    margin: 30px auto 0;
    text-decoration: none;
    border-radius: 6px;
    font-weight: bold;
    transition: background-color 0.3s ease;
    text-align: center;
  }
  
  .download-button:hover {
    background-color: #003f63;
  }
  
  .back-link {
    margin-top: 10px;
    font-size: 0.95rem;
  }
  
  .back-link a {
    color: #005582;
    text-decoration: none;
  }
  
  .back-link a:hover {
    text-decoration: underline;
  }
  
  .heb-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    margin: 40px 0;
  }
  
  .heb-gallery img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  }
  
  @media (max-width: 600px) {
    header h1 {
      font-size: 2rem;
    }
  
    .message {
      font-size: 1rem;
    }
  
    .cta-buttons {
      flex-direction: column;
      align-items: center;
    }
  
    .cta-buttons a {
      width: 100%;
      max-width: 300px;
      justify-content: center;
    }
  }