body {
      font-family: 'Segoe UI', sans-serif;
      background-color: #f5f5f5;
    }

    .gallery-container {
      max-width: 1200px;
      margin: 60px auto;
      padding: 0 20px;
    }

    .gallery-title {
      text-align: center;
      font-size: 2.5rem;
      margin-bottom: 30px;
      font-weight: bold;
      color: #a60000;
    }

    /* Filter Buttons (Chip Style) */
    .filter-buttons {
      display: flex;
      justify-content: center;
      gap: 15px;
      margin-bottom: 40px;
      flex-wrap: wrap;
    }

    .filter-buttons button {
      background: rgba(255, 255, 255, 0.7);
      backdrop-filter: blur(6px);
      border: 1px solid rgba(200,16,46,0.2);
      color: #a60000;
      font-weight: 600;
      border-radius: 25px;
      padding: 10px 25px;
      cursor: pointer;
      transition: 0.3s;
    }

    .filter-buttons button.active,
    .filter-buttons button:hover {
      background: #a60000;
      color: white;
      transform: translateY(-2px);
      box-shadow: 0 4px 12px rgba(200,16,46,0.4);
    }

    /* Gallery Grid */
    .gallery-grid {
      columns: 4 220px;
      column-gap: 15px;
    }

    .gallery-item {
      display: inline-block;
      width: 100%;
      margin-bottom: 15px;
      position: relative;
      overflow: hidden;
      border-radius: 14px;
      cursor: pointer;
      box-shadow: 0 4px 14px rgba(0,0,0,0.08);
      transition: 0.4s ease;
    }

    .gallery-item img {
      width: 100%;
      display: block;
      transition: transform 0.4s ease, filter 0.4s ease;
    }

    .gallery-item:hover {
      transform: translateY(-3px);
      box-shadow: 0 8px 20px rgba(0,0,0,0.15);
    }

    .gallery-item:hover img {
      transform: scale(1.05);
      filter: brightness(0.95);
    }

    /* Badge Category Glass Effect */
    .gallery-item .category-badge {
      position: absolute;
      top: 12px;
      left: 12px;
      background: rgba(255, 255, 255, 0.2);
      backdrop-filter: blur(6px);
      -webkit-backdrop-filter: blur(6px);
      color: #fff;
      font-size: 0.85rem;
      font-weight: bold;
      padding: 6px 14px;
      border-radius: 30px;
      border: 1px solid rgba(255,255,255,0.3);
      box-shadow: 0 2px 6px rgba(0,0,0,0.15);
    }

    /* Lightbox Fullscreen */
    .lightbox {
      display: none;
      position: fixed;
      top: 0; left: 0;
      width: 100%; height: 100%;
      background: rgba(0,0,0,0.92);
      justify-content: center;
      align-items: center;
      flex-direction: column;
      z-index: 9999;
      animation: fadeIn 0.3s ease;
    }

    .lightbox img {
      max-width: 90%;
      max-height: 80%;
      border-radius: 10px;
      object-fit: contain;
      margin-bottom: 10px;
    }

    .lightbox.active {
      display: flex;
    }

    /* Caption in Lightbox */
    .lightbox-caption {
      color: white;
      font-size: 1rem;
      opacity: 0.85;
      text-align: center;
      max-width: 80%;
    }

    /* Close & Navigation */
    .lightbox .close,
    .lightbox .prev,
    .lightbox .next {
      position: absolute;
      color: white;
      font-size: 1.5rem;
      cursor: pointer;
      user-select: none;
    }

    .lightbox .close { top: 5px; right: 30px; }
    .lightbox .prev,
    .lightbox .next { top: 50%; transform: translateY(-50%); font-size: 3rem; }
    .lightbox .prev { left: 30px; }
    .lightbox .next { right: 30px; }

    @keyframes fadeIn {
      from {opacity: 0;}
      to {opacity: 1;}
    }

    @media(max-width: 768px) {
      .gallery-grid { columns: 2 150px; }
    }
    @media(max-width: 480px) {
      .gallery-grid { columns: 1 100%; }
    }