:root {
      --primary-color: #4477FE;
      --primary-light: rgba(68, 119, 254, 0.1);
      --primary-dark: #3366e6;
      --secondary-color: #111859;
      --text-color: #333;
      --light-gray: #f8f9fa;
      --white: #ffffff;
      --success-color: #28a745;
      --info-color: #17a2b8;
      --warning-color: #ffc107;
      --danger-color: #dc3545;
      --card-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
      --hover-transition: all 0.3s ease-in-out;
    }
    
    body {
      font-family: "Prompt", Sans-serif;
      background-color: var(--light-gray);
      color: var(--text-color);
      line-height: 1.6;
    }

    /* Breadcrumbs */
    .breadcrumb-container {
      padding: 1rem 0;
      background-color: var(--white);
      box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    }
    
    .breadcrumb {
      margin-bottom: 0;
    }
    
    .breadcrumb-item a {
      color: var(--primary-color);
      text-decoration: none;
      transition: var(--hover-transition);
    }
    
    .breadcrumb-item a:hover {
      color: var(--primary-dark);
    }
    
    .breadcrumb-item.active {
      color: var(--text-color);
      font-weight: 500;
    }

    /* Hero Section */
    .hero-section {
      background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
      color: white;
      padding: 3.5rem 0;
      border-radius: 0 0 30px 30px;
      margin-bottom: 2rem;
      position: relative;
      overflow: hidden;
    }

    .hero-section::before {
      content: "";
      position: absolute;
      top: -50px;
      right: -50px;
      width: 200px;
      height: 200px;
      background-color: rgba(255, 255, 255, 0.1);
      border-radius: 50%;
    }

    .hero-section::after {
      content: "";
      position: absolute;
      bottom: -80px;
      left: -80px;
      width: 300px;
      height: 300px;
      background-color: rgba(255, 255, 255, 0.08);
      border-radius: 50%;
    }

    .hero-section h1 {
      font-size: 2.5rem;
      font-weight: 700;
      margin-bottom: 1rem;
      position: relative;
      z-index: 1;
    }

    .hero-section p {
      font-size: 1.2rem;
      opacity: 0.9;
      max-width: 700px;
      margin: 0 auto;
      position: relative;
      z-index: 1;
    }

    /* Filter and Sort Section */
    .filters-section {
      background-color: var(--white);
      border-radius: 15px;
      padding: 1.5rem;
      margin-bottom: 2rem;
      box-shadow: var(--card-shadow);
    }

    .filter-title {
      font-size: 1.2rem;
      font-weight: 600;
      margin-bottom: 1rem;
      color: var(--text-color);
    }

    .filter-wrapper {
      display: flex;
      flex-wrap: wrap;
      gap: 1rem;
      margin-bottom: 1rem;
    }

    .filter-group, .sort-group {
      flex: 1;
      min-width: 200px;
    }

    .custom-select {
      width: 100%;
      padding: 10px 15px;
      border-radius: 10px;
      border: 1px solid #e0e0e0;
      background-color: var(--white);
      color: var(--text-color);
      font-size: 0.95rem;
      transition: var(--hover-transition);
      cursor: pointer;
    }

    .custom-select:focus {
      outline: none;
      border-color: var(--primary-color);
      box-shadow: 0 0 0 2px var(--primary-light);
    }

    .search-wrapper {
      position: relative;
      flex: 2;
      min-width: 300px;
    }

    .search-input {
      width: 100%;
      padding: 10px 15px 10px 40px;
      border-radius: 10px;
      border: 1px solid #e0e0e0;
      background-color: var(--white);
      color: var(--text-color);
      font-size: 0.95rem;
      transition: var(--hover-transition);
    }

    .search-input:focus {
      outline: none;
      border-color: var(--primary-color);
      box-shadow: 0 0 0 2px var(--primary-light);
    }

    .search-icon {
      position: absolute;
      left: 15px;
      top: 50%;
      transform: translateY(-50%);
      color: #999;
    }

    /* Category Tabs */
    .category-tabs {
      display: flex;
      background-color: var(--white);
      border-radius: 12px;
      overflow: hidden;
      margin-bottom: 2rem;
      box-shadow: var(--card-shadow);
    }

    .category-tab {
      flex: 1;
      text-align: center;
      padding: 1rem 0.5rem;
      color: var(--text-color);
      font-weight: 500;
      transition: var(--hover-transition);
      text-decoration: none;
      position: relative;
      border-bottom: 3px solid transparent;
      cursor: pointer;
    }

    .category-tab:hover {
      background-color: var(--primary-light);
      color: var(--primary-color);
    }

    .category-tab.active {
      color: var(--primary-color);
      border-bottom: 3px solid var(--primary-color);
      font-weight: 600;
    }

    .category-tab .badge {
      position: absolute;
      top: 8px;
      right: 8px;
      background-color: var(--primary-color);
      color: white;
      font-size: 0.7rem;
      border-radius: 10px;
      padding: 2px 8px;
    }

    /* Project Card */
    .project-card {
      background-color: var(--white);
      border-radius: 15px;
      overflow: hidden;
      box-shadow: var(--card-shadow);
      margin-bottom: 2rem;
      transition: var(--hover-transition);
      height: 100%;
      border: none;
      position: relative;
    }

    .project-card:hover {
      transform: translateY(-10px);
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
    }

    .project-card .card-img-container {
      position: relative;
      overflow: hidden;
      height: 270px;
    }

    .project-card .card-img-top {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }

    .project-card:hover .card-img-top {
      transform: scale(1.1);
    }

    .project-type-badge {
      position: absolute;
      top: 15px;
      left: 15px;
      background-color: var(--primary-color);
      color: white;
      padding: 5px 12px;
      border-radius: 20px;
      font-size: 0.75rem;
      font-weight: 500;
      z-index: 2;
    }

    .project-card .card-body {
      padding: 1.5rem;
    }

    .project-card .card-title {
      font-size: 1.25rem;
      font-weight: 600;
      margin-bottom: 1rem;
      color: var(--text-color);
    }

    .project-details {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 0.75rem;
      margin-bottom: 1.5rem;
    }

    .detail-item {
      display: flex;
      align-items: flex-start;
    }

    .detail-icon {
      width: 22px;
      height: 22px;
      color: var(--primary-color);
      margin-right: 10px;
      font-size: 1.1rem;
      flex-shrink: 0;
    }

    .detail-text {
      font-size: 0.9rem;
      color: #555;
    }

    .detail-label {
      display: block;
      font-size: 0.75rem;
      color: #888;
      margin-bottom: 2px;
    }

    .detail-value {
      font-weight: 500;
    }

    .project-features {
      display: flex;
      flex-wrap: wrap;
      gap: 0.5rem;
      margin-bottom: 1.5rem;
    }

    .feature-badge {
      background-color: var(--primary-light);
      color: var(--primary-color);
      padding: 4px 10px;
      border-radius: 20px;
      font-size: 0.75rem;
      font-weight: 500;
    }

    .project-card .btn-view-details {
      background-color: var(--primary-color);
      color: white;
      border: none;
      border-radius: 10px;
      padding: 8px 20px;
      font-weight: 500;
      transition: var(--hover-transition);
      width: 100%;
    }

    .project-card .btn-view-details:hover {
      background-color: var(--primary-dark);
      transform: translateY(-2px);
    }

    .card-highlight {
      position: absolute;
      top: 0;
      right: 20px;
      background-color: var(--success-color);
      color: white;
      padding: 4px 15px;
      font-size: 0.8rem;
      font-weight: 500;
      border-radius: 0 0 10px 10px;
      z-index: 2;
    }

    /* Project Modal */
    .modal-dialog {
      max-width: 900px;
    }

    .modal-content {
      border-radius: 15px;
      overflow: hidden;
      border: none;
    }

    .modal-header {
      border-bottom: none;
      padding: 1.5rem 1.5rem 0.5rem;
    }

    .modal-body {
      padding: 1rem 1.5rem 1.5rem;
    }

    .modal-title {
      font-weight: 600;
      color: var(--text-color);
    }

    .modal-close {
      background-color: var(--light-gray);
      border: none;
      width: 32px;
      height: 32px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #666;
      transition: var(--hover-transition);
    }

    .modal-close:hover {
      background-color: #e0e0e0;
      color: #333;
    }

    .project-gallery {
      margin-bottom: 2rem;
    }

    .project-gallery img {
      width: 100%;
      height: 500px;
      object-fit: cover;
      border-radius: 12px;
    }

    .project-specifications {
      background-color: var(--light-gray);
      border-radius: 12px;
      padding: 1.5rem;
      margin-bottom: 2rem;
    }

    .spec-title {
      font-size: 1.2rem;
      font-weight: 600;
      margin-bottom: 1.5rem;
      color: var(--text-color);
      display: flex;
      align-items: center;
    }

    .spec-title i {
      margin-right: 10px;
      color: var(--primary-color);
    }

    .spec-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
      gap: 1.5rem;
    }

    .spec-item {
      background-color: var(--white);
      border-radius: 10px;
      padding: 1rem;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    }

    .spec-label {
      font-size: 0.85rem;
      color: #777;
      margin-bottom: 5px;
    }

    .spec-value {
      font-size: 1.1rem;
      font-weight: 500;
      color: var(--text-color);
    }

    .project-features-list {
      margin-bottom: 2rem;
    }

    .features-title {
      font-size: 1.2rem;
      font-weight: 600;
      margin-bottom: 1rem;
      color: var(--text-color);
      display: flex;
      align-items: center;
    }

    .features-title i {
      margin-right: 10px;
      color: var(--primary-color);
    }

    .feature-item {
      display: flex;
      align-items: flex-start;
      margin-bottom: 1rem;
    }

    .feature-icon {
      width: 30px;
      height: 30px;
      background-color: var(--primary-light);
      color: var(--primary-color);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-right: 1rem;
      flex-shrink: 0;
    }

    .feature-info h5 {
      font-size: 1rem;
      font-weight: 600;
      margin-bottom: 5px;
      color: var(--text-color);
    }

    .feature-info p {
      font-size: 0.9rem;
      color: #666;
      margin-bottom: 0;
    }

    .modal-footer {
      border-top: none;
      padding: 0 1.5rem 1.5rem;
      justify-content: center;
    }

    .btn-contact {
      background-color: var(--primary-color);
      color: white;
      border: none;
      border-radius: 10px;
      padding: 10px 25px;
      font-weight: 500;
      transition: var(--hover-transition);
    }

    .btn-contact:hover {
      background-color: var(--primary-dark);
      transform: translateY(-2px);
    }

    /* Pagination */
    .pagination {
      margin-top: 1rem;
      margin-bottom: 3rem;
    }

    .page-item:first-child .page-link {
      border-top-left-radius: 10px;
      border-bottom-left-radius: 10px;
    }

    .page-item:last-child .page-link {
      border-top-right-radius: 10px;
      border-bottom-right-radius: 10px;
    }

    .page-link {
      color: var(--primary-color);
      border: none;
      padding: 8px 16px;
      margin: 0 5px;
      transition: var(--hover-transition);
    }

    .page-link:hover {
      background-color: var(--primary-light);
      color: var(--primary-color);
    }

    .page-item.active .page-link {
      background-color: var(--primary-color);
      color: white;
      border-radius: 8px;
    }

    /* Stat Cards */
    .stats-section {
      margin-bottom: 3rem;
    }

    .stat-card {
      background-color: var(--white);
      border-radius: 15px;
      padding: 1.5rem;
      text-align: center;
      box-shadow: var(--card-shadow);
      height: 100%;
      transition: var(--hover-transition);
    }

    .stat-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
    }

    .stat-icon {
      width: 60px;
      height: 60px;
      background-color: var(--primary-light);
      color: var(--primary-color);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.8rem;
      margin: 0 auto 1rem;
    }

    .stat-value {
      font-size: 2rem;
      font-weight: 700;
      color: var(--text-color);
      margin-bottom: 0.5rem;
    }

    .stat-label {
      font-size: 1rem;
      color: #777;
    }
    
    /* Category Highlight Section */
    .category-highlight {
      margin-bottom: 3rem;
      text-align: center;
    }
    
    .category-highlight h2 {
      font-size: 2rem;
      font-weight: 700;
      margin-bottom: 1rem;
      color: var(--text-color);
    }
    
    .category-highlight p {
      font-size: 1.1rem;
      color: #666;
      max-width: 800px;
      margin: 0 auto 2rem;
    }
    
    .category-info-cards {
      display: flex;
      flex-wrap: wrap;
      gap: 1.5rem;
      justify-content: center;
      margin-bottom: 2rem;
    }
    
    .category-info-card {
      background-color: var(--white);
      border-radius: 15px;
      padding: 1.5rem;
      box-shadow: var(--card-shadow);
      flex: 1;
      min-width: 250px;
      max-width: 350px;
      text-align: left;
    }
    
    .category-info-card h3 {
      font-size: 1.3rem;
      font-weight: 600;
      margin-bottom: 1rem;
      color: var(--text-color);
      display: flex;
      align-items: center;
    }
    
    .category-info-card h3 i {
      margin-right: 10px;
      color: var(--primary-color);
      font-size: 1.5rem;
    }
    
    .category-info-card p {
      font-size: 0.95rem;
      color: #666;
      margin-bottom: 1rem;
    }
    
    .category-info-card ul {
      padding-left: 1.5rem;
      margin-bottom: 0;
    }
    
    .category-info-card li {
      font-size: 0.9rem;
      color: #555;
      margin-bottom: 0.5rem;
    }
    
    /* No Results Message */
    .no-results {
      text-align: center;
      padding: 3rem;
      background-color: var(--white);
      border-radius: 15px;
      box-shadow: var(--card-shadow);
      margin-bottom: 2rem;
    }
    
    .no-results i {
      font-size: 3rem;
      color: #ccc;
      margin-bottom: 1rem;
    }
    
    .no-results h4 {
      font-size: 1.5rem;
      font-weight: 600;
      color: var(--text-color);
      margin-bottom: 1rem;
    }
    
    .no-results p {
      color: #666;
      max-width: 600px;
      margin: 0 auto 1.5rem;
    }
    
    .no-results .btn-reset {
      background-color: var(--primary-color);
      color: white;
      border: none;
      border-radius: 10px;
      padding: 8px 20px;
      font-weight: 500;
      transition: var(--hover-transition);
    }
    
    .no-results .btn-reset:hover {
      background-color: var(--primary-dark);
    }

    /* Animation */
    @keyframes fadeIn {
      from {
        opacity: 0;
        transform: translateY(20px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }
    
    .fade-in {
      animation: fadeIn 0.5s ease-out forwards;
    }
    
    /* Dark Mode Additions */
    [data-theme="dark"] {
      --text-color: #e1e1e1;
      --text-light: #b0b0b0;
      --light-gray: #2c2c2c;
      --white: #1a1a1a;
      --card-bg: #1e1e1e;
      --body-bg: #121212;
      --input-bg: #2c2c2c;
      --input-color: #e0e0e0;
      --border-color: #444;
      --card-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    }
    
    [data-theme="dark"] body {
      background-color: var(--body-bg);
      color: var(--text-color);
    }
    
    [data-theme="dark"] .breadcrumb-container {
      background-color: #1e1e1e;
      box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    }
    
    [data-theme="dark"] .breadcrumb-item.active {
      color: #e0e0e0;
    }
    
    [data-theme="dark"] .hero-section {
      background: linear-gradient(135deg, var(--primary-color), #203366);
    }
    
    [data-theme="dark"] .filters-section,
    [data-theme="dark"] .category-tabs,
    [data-theme="dark"] .project-card,
    [data-theme="dark"] .stat-card,
    [data-theme="dark"] .category-info-card,
    [data-theme="dark"] .no-results {
      background-color: var(--card-bg);
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
    }
    
    [data-theme="dark"] .filter-title,
    [data-theme="dark"] .project-card .card-title,
    [data-theme="dark"] .category-highlight h2,
    [data-theme="dark"] .category-info-card h3,
    [data-theme="dark"] .no-results h4,
    [data-theme="dark"] .stat-value,
    [data-theme="dark"] .category-tab {
      color: #e0e0e0;
    }
    
    [data-theme="dark"] .search-input,
    [data-theme="dark"] .custom-select {
      background-color: #2c2c2c;
      border-color: #444;
      color: #e0e0e0;
    }
    
    [data-theme="dark"] .search-input::placeholder {
      color: #888;
    }
    
    [data-theme="dark"] .detail-text,
    [data-theme="dark"] .detail-label,
    [data-theme="dark"] .category-highlight p,
    [data-theme="dark"] .category-info-card p,
    [data-theme="dark"] .category-info-card li,
    [data-theme="dark"] .no-results p,
    [data-theme="dark"] .stat-label {
      color: #b0b0b0;
    }
    
    [data-theme="dark"] .detail-value {
      color: #e0e0e0;
    }
    
    [data-theme="dark"] .project-specifications {
      background-color: #252525;
    }
    
    [data-theme="dark"] .spec-item {
      background-color: var(--card-bg);
    }
    
    [data-theme="dark"] .spec-label {
      color: #999;
    }
    
    [data-theme="dark"] .spec-value {
      color: #e0e0e0;
    }
    
    [data-theme="dark"] .feature-info p {
      color: #999;
    }
    
    [data-theme="dark"] .modal-content {
      background-color: #1e1e1e;
    }
    
    [data-theme="dark"] .modal-close {
      background-color: #333;
      color: #ccc;
    }
    
    [data-theme="dark"] .modal-close:hover {
      background-color: #444;
      color: #fff;
    }
    
    [data-theme="dark"] .pagination {
      background-color: transparent;
    }
    
    [data-theme="dark"] .page-link {
      background-color: #252525;
      color: #e0e0e0;
    }
    
    [data-theme="dark"] .page-link:hover {
      background-color: #333;
    }
    
    [data-theme="dark"] .page-item.disabled .page-link {
      background-color: #1e1e1e;
      color: #666;
    }
    
    /* Responsive Adjustments */
    @media (max-width: 991.98px) {
      .hero-section h1 {
        font-size: 2rem;
      }
      
      .hero-section p {
        font-size: 1rem;
      }
      
      .filter-wrapper {
        flex-direction: column;
      }
      
      .stat-card {
        margin-bottom: 1rem;
      }
      
      .category-info-cards {
        flex-direction: column;
        align-items: center;
      }
      
      .category-info-card {
        max-width: 100%;
      }
    }

    @media (max-width: 767.98px) {
      .category-tabs {
        flex-direction: column;
      }
      
      .category-tab {
        padding: 0.75rem;
        border-bottom: none;
        border-left: 3px solid transparent;
      }
      
      .category-tab.active {
        border-bottom: none;
        border-left: 3px solid var(--primary-color);
      }
      
      .project-details {
        grid-template-columns: 1fr;
      }
      
      .hero-section {
        padding: 2.5rem 0;
        border-radius: 0 0 20px 20px;
      }
      
      .filters-section {
        padding: 1rem;
      }
    }