body {
    font-family: 'Playfair Display', 'Georgia', serif;
    background-color: #fff0f5;
    background-image: linear-gradient(135deg, #fff5f7 0%, #fff0f5 100%);
    color: #3d2c2e;
    margin: 0;
    padding: 0;
    line-height: 1.6;
  }
  
  header {
    background-color: #ffe4e1;
    background-image: linear-gradient(to right, #ffe4e1, #ffcfdb);
    padding: 2rem 1rem;
    text-align: center;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
    position: relative;
  }
  
  header:after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 15px;
    background-image: radial-gradient(circle, rgba(255,150,150,0.3) 0%, rgba(255,255,255,0) 70%);
  }
  
  h1 {
    margin: 0;
    font-size: 2.5rem;
    color: #d23669;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
    letter-spacing: 1px;
  }
  
  h2 {
    color: #d23669;
    border-bottom: 2px solid rgba(210, 54, 105, 0.2);
    padding-bottom: 0.5rem;
    display: inline-block;
  }
  
  nav {
    margin-top: 1.5rem;
  }
  
  nav button {
    margin: 0 0.8rem;
    padding: 0.7rem 1.5rem;
    font-size: 1.1rem;
    background-color: #ffb6c1;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    color: #833c48;
    font-weight: bold;
    box-shadow: 0 3px 10px rgba(255, 182, 193, 0.4);
  }
  
  nav button:hover {
    background-color: #ff9daa;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(255, 182, 193, 0.6);
  }
  
  nav button:active {
    transform: translateY(-1px);
  }
  
  main {
    padding: 3rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
  }
  
  .tab {
    animation: fadeIn 0.8s ease;
  }
  
  .letter-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 2rem;
  }
  
  .letter-links a {
    display: inline-block;
    text-decoration: none;
    font-weight: bold;
    padding: 1rem 2rem;
    background-color: white;
    color: #e75480;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    border: 2px solid rgba(231, 84, 128, 0.1);
  }
  
  .letter-links a:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(231, 84, 128, 0.2);
    color: #d23669;
    border-color: rgba(231, 84, 128, 0.3);
  }
  
  .pdf-embed {
    width: 100%;
    height: 800px;
    border: none;
    border-radius: 12px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.1);
    margin: 2rem 0;
  }
  
  .image-embed {
    width: 100%;
    max-width: 800px;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.1);
    margin: 2rem auto;
    display: block;
    transition: all 0.3s ease;
  }
  
  .image-embed:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 30px rgba(231, 84, 128, 0.2);
  }
  
  .image-caption {
    text-align: center;
    font-size: 1.2rem;
    color: #d23669;
    margin-top: 1rem;
    font-weight: bold;
    font-style: italic;
  }
  
  .photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
  }
  
  .photo-item {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    height: 300px;
  }
  
  .photo-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transform-origin: center;
  }
  
  .photo-item:hover {
    box-shadow: 0 8px 25px rgba(231, 84, 128, 0.3);
  }
  
  .photo-item:hover img {
    transform: scale(1.1);
  }
  
  .photo-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
    color: white;
    padding: 1rem;
    transform: translateY(100%);
    transition: all 0.3s ease;
    opacity: 0;
  }
  
  .photo-item:hover .photo-caption {
    transform: translateY(0);
    opacity: 1;
  }
  
  /* Modal styles for expanded photos */
  .modal {
    display: none;
    position: fixed;
    z-index: 1000;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    padding: 20px;
    overflow: auto;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
  }
  
  .modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
  }
  
  .modal-content {
    max-width: 90%;
    max-height: 90vh;
    margin: auto;
    display: block;
    box-shadow: 0 0 50px rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    animation: zoomIn 0.3s ease-in-out;
    position: relative;
  }
  
  .close-modal {
    position: absolute;
    top: 20px;
    right: 30px;
    color: white;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    z-index: 1001;
    transition: all 0.2s;
  }
  
  .close-modal:hover {
    color: #ff9daa;
    transform: scale(1.1);
  }
  
  .modal-caption {
    color: white;
    padding: 1rem 0;
    text-align: center;
    font-size: 1.2rem;
    max-width: 80%;
    margin: 10px auto;
  }
  
  @keyframes zoomIn {
    from { transform: scale(0.8); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
  }
  
  /* Navigation arrows for modal */
  .modal-nav {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 30px;
    box-sizing: border-box;
    z-index: 1001;
  }
  
  .modal-nav button {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    color: white;
    font-size: 24px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .modal-nav button:hover {
    background: rgba(255, 255, 255, 0.4);
    transform: scale(1.1);
  }
  
  /* Animation keyframes */
  @keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
  }
  
  @keyframes heartBeat {
    0% { transform: scale(1); }
    14% { transform: scale(1.15); }
    28% { transform: scale(1); }
    42% { transform: scale(1.15); }
    70% { transform: scale(1); }
  }
  
  @keyframes floating {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
  }
  
  /* Media queries for responsiveness */
  @media (max-width: 768px) {
    .photo-grid {
      grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
    
    .letter-links {
      flex-direction: column;
      align-items: center;
    }
    
    .pdf-embed {
      height: 600px;
    }
  }