:root {
        --primary: #3573D4;
        --primary-light: #6a9de0;
        --secondary: #1F1A56;
        --secondary-light: #2c267a;
        --light: #f8f9fa;
        --dark: #212529;
        --gray: #6c757d;
        --light-gray: #e9ecef;
        --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    }
    
    /* Category Filter */
    .category-filter {
        margin-bottom: 40px;
        text-align: center;
    }
    
    .filter-buttons {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 12px;
    }
    
    .filter-btn {
        padding: 10px 20px;
        border: 2px solid var(--primary);
        background: transparent;
        color: var(--primary);
        border-radius: 50px;
        font-weight: 600;
        cursor: pointer;
        transition: var(--transition);
    }
    
    .filter-btn:hover {
        background: var(--primary-light);
        color: white;
        border-color: var(--primary-light);
    }
    
    .filter-btn.active {
        background: var(--primary);
        color: white;
    }
    
    /* Portfolio Grid */
    .portfolio-section {
        padding: 100px 0;
        background: var(--light);
    }
    
    .section-header {
        text-align: center;
        margin-bottom: 60px;
    }
    
    .section-header h2 {
        font-size: 2.5rem;
        color: var(--secondary);
        margin-bottom: 15px;
        position: relative;
        display: inline-block;
    }
    
    .section-header h2::after {
        content: '';
        position: absolute;
        bottom: -15px;
        left: 50%;
        transform: translateX(-50%);
        width: 70px;
        height: 4px;
        background: var(--primary);
        border-radius: 2px;
    }
    
    .section-header p {
        font-size: 1.1rem;
        color: var(--gray);
        max-width: 600px;
        margin: 25px auto 0;
    }
    
    .grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 40px;
        margin-bottom: 40px;
    }
    
    .portfolio-item {
        border-radius: 16px;
        overflow: hidden;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
        transition: var(--transition);
        position: relative;
        background: white;
        height: 380px;
        cursor: pointer;
        display: flex;
        flex-direction: column;
        height: auto;
    }
    
    .portfolio-item:hover {
        transform: translateY(-15px);
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    }
    
    .portfolio-img {
        height: 100%;
        max-height: 220px;
        overflow: hidden;
        position: relative;
    }
    
    .portfolio-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.7s ease;
    }
    
    .portfolio-item:hover .portfolio-img img {
        transform: scale(1.1);
    }
    
    .portfolio-overlay {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: linear-gradient(to bottom, transparent 0%, var(--secondary) 100%);
        display: flex;
        align-items: center;
        justify-content: center;
        opacity: 0;
        transition: var(--transition);
    }
    
    .portfolio-item:hover .portfolio-overlay {
        opacity: 1;
    }
    
    .view-project {
        color: white;
        font-weight: 600;
        font-size: 1.1rem;
        display: inline-flex;
        align-items: center;
        padding: 12px 25px;
        background: #1F1A56;
        border-radius: 50px;
        transform: translateY(20px);
        transition: var(--transition);
    }
    
    .view-project i {
        margin-left: 8px;
        transition: var(--transition);
    }
    
    .view-project:hover i {
        transform: translateX(5px);
    }
    
    .portfolio-item:hover .view-project {
        transform: translateY(0);
    }
    
    .portfolio-info {
        padding: 25px;
    }
    
    .portfolio-info h3 {
        font-size: 1.3rem;
        margin-bottom: 10px;
        color: var(--secondary);
    }
    
    .portfolio-info p {
        color: var(--gray);
        font-size: 0.95rem;
        line-height: 1.5;
    }
    
    .portfolio-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        margin-top: 15px;
    }
    
    .portfolio-tag {
        background: var(--light-gray);
        padding: 5px 12px;
        border-radius: 20px;
        font-size: 0.8rem;
        color: var(--gray);
        transition: var(--transition);
    }
    
    .category-tag {
        background: var(--primary-light);
        color: white;
    }
    
    .portfolio-item:hover .portfolio-tag:not(.category-tag) {
        background: var(--primary-light);
        color: white;
    }
    
    /* Portfolio Modal Styles */
    .portfolio-modal {
        display: none;
        position: fixed;
        z-index: 10000;
        left: 0;
        top: 0;
        width: 100%;
        height: 100%;
        overflow: auto;
        background-color: rgba(31, 26, 86, 0.95);
        opacity: 0;
        transition: opacity 0.3s ease;
    }
    
    .portfolio-modal.show {
        opacity: 1;
    }
    
    .modal-content {
        position: relative;
        background-color: #fff;
        margin: 5% auto;
        padding: 0;
        width: 90%;
        max-width: 1000px;
        border-radius: 12px;
        box-shadow: 0 10px 50px rgba(0, 0, 0, 0.3);
        transform: translateY(50px);
        transition: transform 0.4s ease;
        overflow: hidden;
    }
    
    .portfolio-modal.show .modal-content {
        transform: translateY(0);
    }
    
    .close-modal {
        position: absolute;
        top: 20px;
        right: 25px;
        color: #fff;
        font-size: 35px;
        font-weight: bold;
        cursor: pointer;
        z-index: 10;
        width: 40px;
        height: 40px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: rgba(31, 26, 86, 0.7);
        border-radius: 50%;
        transition: all 0.3s ease;
    }
    
    .close-modal:hover {
        background: var(--primary);
        transform: rotate(90deg);
    }
    
    .modal-body {
        display: flex;
        flex-direction: column;
    }
    
    @media (min-width: 992px) {
        .modal-body {
            flex-direction: row;
        }
    }
    
    .modal-image {
        flex: 1;
        min-height: 300px;
        background-size: cover;
        background-position: center;
        position: relative;
    }
    
    .modal-details {
        flex: 1;
        padding: 30px;
    }
    
    .modal-details h2 {
        color: var(--secondary);
        margin-bottom: 15px;
        font-size: 28px;
    }
    
    .modal-details p {
        color: var(--gray);
        line-height: 1.7;
        margin-bottom: 25px;
    }
    
    .modal-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 15px;
        margin-bottom: 25px;
    }
    
    .meta-item {
        display: flex;
        align-items: center;
        background: var(--light);
        padding: 8px 15px;
        border-radius: 50px;
        font-size: 14px;
    }
    
    .meta-item i {
        margin-right: 8px;
        color: var(--primary);
    }
    
    .modal-actions {
        display: flex;
        gap: 15px;
        margin-top: 30px;
    }
    
    .modal-btn {
        display: inline-flex;
        align-items: center;
        padding: 12px 25px;
        background: var(--primary);
        color: white;
        border-radius: 50px;
        font-weight: 600;
        transition: var(--transition);
    }
    
    .modal-btn:hover {
        background: var(--secondary);
        transform: translateY(-3px);
        box-shadow: 0 5px 15px rgba(31, 26, 86, 0.2);
    }
    
    .modal-btn.outline {
        background: transparent;
        border: 2px solid var(--primary);
        color: var(--primary);
    }
    
    .modal-btn.outline:hover {
        background: var(--primary);
        color: white;
    }
    
    /* Image Gallery */
    .image-gallery {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
        margin-top: 20px;
    }
    
    .gallery-thumb {
        height: 80px;
        border-radius: 8px;
        overflow: hidden;
        cursor: pointer;
        transition: var(--transition);
    }
    
    .gallery-thumb:hover {
        transform: scale(1.05);
    }
    
    .gallery-thumb img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    
    /* No Portfolio Items */
    .no-portfolio {
        text-align: center;
        padding: 60px 20px;
        background: var(--light);
        border-radius: 12px;
        margin: 40px 0;
    }
    
    .no-portfolio i {
        font-size: 60px;
        color: var(--primary-light);
        margin-bottom: 20px;
    }
    
    .no-portfolio h3 {
        color: var(--secondary);
        margin-bottom: 15px;
    }
    
    .no-portfolio p {
        color: var(--gray);
        max-width: 500px;
        margin: 0 auto;
    }
    
    /* Stats Section */
    .stats-section {
        padding: 80px 0;
        background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
        color: white;
        text-align: center;
    }
    
    .stats-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 30px;
        max-width: 900px;
        margin: 0 auto;
    }
    
    .stat-item {
        padding: 20px;
    }
    
    .stat-number {
        font-size: 3rem;
        font-weight: 700;
        margin-bottom: 10px;
    }
    
    .stat-text {
        font-size: 1.1rem;
        opacity: 0.9;
    }
    
    /* CTA Section */
    .cta-section {
        padding: 100px 0;
        text-align: center;
        background: var(--light);
    }
    
    .cta-content {
        max-width: 700px;
        margin: 0 auto;
    }
    
    .cta-content h2 {
        font-size: 2.5rem;
        color: var(--secondary);
        margin-bottom: 20px;
    }
    
    .cta-content p {
        font-size: 1.2rem;
        color: var(--gray);
        margin-bottom: 40px;
    }
    
    .btn {
        display: inline-block;
        padding: 12px 28px;
        background: var(--primary);
        color: white;
        border-radius: 50px;
        font-weight: 500;
        border: none;
        cursor: pointer;
        transition: var(--transition);
        box-shadow: 0 4px 15px rgba(53, 115, 212, 0.3);
        text-decoration: none;
    }
    
    .btn:hover {
        background: var(--secondary);
        transform: translateY(-3px);
        box-shadow: 0 8px 20px rgba(31, 26, 86, 0.4);
        color: white;
    }
    
    /* Pagination Styles */
    .pagination {
        display: flex;
        justify-content: center;
        margin-top: 40px;
        gap: 8px;
    }
    
    .page-item {
        display: inline-block;
    }
    
    .page-link {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: white;
        color: var(--secondary);
        font-weight: 600;
        text-decoration: none;
        transition: var(--transition);
        border: 2px solid var(--light-gray);
    }
    
    .page-link:hover {
        background: var(--primary-light);
        color: white;
        border-color: var(--primary-light);
    }
    
    .page-link.active {
        background: var(--primary);
        color: white;
        border-color: var(--primary);
    }
    
    .page-link.dots {
        border: none;
        background: transparent;
        color: var(--gray);
        cursor: default;
    }
    
    .page-link.dots:hover {
        background: transparent;
        color: var(--gray);
    }
    
    .page-link.prev, .page-link.next {
        width: auto;
        padding: 0 15px;
        border-radius: 50px;
    }
    
    .page-link i {
        font-size: 14px;
    }
    
    /* Responsive Design */
    @media (max-width: 1100px) {
        .grid {
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        }
    }
    
    @media (max-width: 768px) {
        .section-header h2 {
            font-size: 2rem;
        }
        
        .portfolio-section {
            padding: 80px 0;
        }
        
        .filter-buttons {
            gap: 8px;
        }
        
        .filter-btn {
            padding: 8px 16px;
            font-size: 14px;
        }
        
        .grid {
            grid-template-columns: 1fr;
            gap: 30px;
        }
        
        .portfolio-item {
            height: auto;
        }
        
        .image-gallery {
            grid-template-columns: repeat(2, 1fr);
        }
        
        .stats-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        
        .pagination {
            flex-wrap: wrap;
        }
    }
    
    @media (max-width: 576px) {
        .section-header h2 {
            font-size: 1.8rem;
        }
        
        .filter-buttons {
            flex-direction: column;
            align-items: center;
        }
        
        .filter-btn {
            width: 200px;
        }
        
        .modal-actions {
            flex-direction: column;
        }
        
        .image-gallery {
            grid-template-columns: 1fr;
        }
        
        .stats-grid {
            grid-template-columns: 1fr;
        }
        
        .stat-number {
            font-size: 2.5rem;
        }
        
        .page-link {
            width: 35px;
            height: 35px;
            font-size: 14px;
        }
        
        .page-link.prev, .page-link.next {
            padding: 0 12px;
            font-size: 13px;
        }
    }