:root {
            --svci-blue: #0055A4;
            --svci-red: #010636;
            --svci-white: #FFFFFF;
            --svci-black: #000000;
            --svci-light-bg: #F8F9FA;
            --svci-green: #28a745;
            --svci-gold: #FFD700;
            --svci-light-blue: #e6f0ff;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            color: var(--svci-black);
            background-color: var(--svci-white);
            line-height: 1.6;
        }
        
        /* Navigation */
        .navbar {
            background-color: var(--svci-white);
            box-shadow: 0 2px 15px rgba(0,0,0,0.1);
            padding: 12px 0;
        }
        
        .navbar-brand img {
            height: 50px;
        }
        
        .nav-link {
            color: var(--svci-black) !important;
            font-weight: 500;
            margin: 0 10px;
            position: relative;
            transition: all 0.3s;
            padding: 8px 15px !important;
            border-radius: 5px;
        }
        
        .nav-link:hover {
            color: var(--svci-blue) !important;
            background-color: var(--svci-light-blue);
        }
        
        .nav-link.active {
            color: var(--svci-red) !important;
            font-weight: 600;
            background-color: rgba(239, 65, 53, 0.1);
        }
        
        /* Boutons */
        .btn-svci {
            background-color: var(--svci-red);
            color: white;
            border: none;
            padding: 12px 28px;
            border-radius: 8px;
            transition: all 0.3s;
            font-weight: 500;
            font-size: 1rem;
        }
        
        .btn-svci:hover {
            background-color: var(--svci-blue);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 85, 164, 0.3);
        }
        
        .btn-outline-svci {
            background-color: transparent;
            color: var(--svci-blue);
            border: 2px solid var(--svci-blue);
            padding: 10px 26px;
            border-radius: 8px;
            transition: all 0.3s;
            font-weight: 500;
        }
        
        .btn-outline-svci:hover {
            background-color: var(--svci-blue);
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 85, 164, 0.3);
        }
        
        /* En-tête de page */
        .page-header {
            background: linear-gradient(rgba(0, 85, 164, 0.8), rgba(0, 85, 164, 0.9)), url('images/gallery-header.jpg');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 90px 0;
            text-align: center;
            margin-bottom: 40px;
        }
        
        .page-header h1 {
            font-weight: 800;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
            margin-bottom: 15px;
        }
        
        .page-header .lead {
            font-size: 1.3rem;
            max-width: 700px;
            margin: 0 auto;
        }
        
        /* Titres de section */
        .section-title {
            position: relative;
            margin-bottom: 45px;
            padding-bottom: 15px;
            text-align: center;
            color: var(--svci-blue);
            font-weight: 700;
            font-size: 2.2rem;
        }
        
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 5px;
            background-color: var(--svci-red);
            border-radius: 3px;
        }
        
        /* Filtres de galerie */
        .gallery-filters {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 40px;
            gap: 10px;
        }
        
        .filter-btn {
            background-color: var(--svci-light-bg);
            color: var(--svci-blue);
            border: none;
            padding: 10px 20px;
            border-radius: 30px;
            font-weight: 500;
            transition: all 0.3s;
            cursor: pointer;
        }
        
        .filter-btn:hover, .filter-btn.active {
            background-color: var(--svci-blue);
            color: white;
        }
        
        /* Grille de galerie */
        .gallery-section {
            padding: 70px 0;
        }
        
        .gallery-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 25px;
        }
        
        .gallery-item {
            position: relative;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0,0,0,0.08);
            transition: all 0.4s;
            cursor: pointer;
        }
        
        .gallery-item:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.12);
        }
        
        .gallery-img {
            width: 100%;
            height: 250px;
            object-fit: cover;
            transition: transform 0.5s;
        }
        
        .gallery-item:hover .gallery-img {
            transform: scale(1.05);
        }
        
        .gallery-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
            padding: 20px;
            color: white;
            opacity: 0;
            transition: opacity 0.3s;
        }
        
        .gallery-item:hover .gallery-overlay {
            opacity: 1;
        }
        
        .gallery-title {
            font-weight: 600;
            margin-bottom: 5px;
            font-size: 1.2rem;
        }
        
        .gallery-category {
            font-size: 0.9rem;
            opacity: 0.9;
        }
        
        /* Modal de galerie */
        .gallery-modal .modal-content {
            border-radius: 15px;
            overflow: hidden;
            border: none;
            box-shadow: 0 10px 40px rgba(0,0,0,0.15);
        }
        
        .gallery-modal .modal-header {
            background-color: var(--svci-blue);
            color: white;
            border-bottom: none;
            padding: 15px 20px;
        }
        
        .gallery-modal .modal-title {
            font-weight: 700;
        }
        
        .gallery-modal .modal-body {
            padding: 0;
        }
        
        .gallery-modal-img {
            width: 100%;
            max-height: 70vh;
            object-fit: contain;
        }
        
        .gallery-modal-details {
            padding: 20px;
        }
        
        .gallery-modal-date {
            color: var(--svci-red);
            font-weight: 600;
            font-size: 0.95rem;
            display: block;
            margin-bottom: 10px;
        }
        
        .gallery-modal-category {
            display: inline-block;
            background-color: var(--svci-light-blue);
            color: var(--svci-blue);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 15px;
        }
        
        .gallery-modal-description {
            color: #555;
            line-height: 1.6;
        }
        
        .gallery-modal .modal-footer {
            border-top: 1px solid #eee;
            padding: 15px 20px;
        }
        
        .btn-close {
            filter: invert(1);
            opacity: 0.8;
        }
        
        .btn-close:hover {
            opacity: 1;
        }
        
        /* Section vidéos */
        .video-section {
            padding: 80px 0;
            background-color: var(--svci-light-bg);
        }
        
        .video-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 30px;
        }
        
        .video-card {
            background: var(--svci-white);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0,0,0,0.08);
            transition: all 0.4s;
        }
        
        .video-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.12);
        }
        
        .video-thumbnail {
            position: relative;
            width: 100%;
            height: 200px;
            overflow: hidden;
        }
        
        .video-thumbnail img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }
        
        .video-card:hover .video-thumbnail img {
            transform: scale(1.05);
        }
        
        .video-play-btn {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 60px;
            height: 60px;
            background-color: var(--svci-red);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.5rem;
            transition: all 0.3s;
            opacity: 0.9;
        }
        
        .video-card:hover .video-play-btn {
            background-color: var(--svci-blue);
            transform: translate(-50%, -50%) scale(1.1);
        }
        
        .video-content {
            padding: 20px;
        }
        
        .video-title {
            color: var(--svci-blue);
            font-weight: 700;
            margin-bottom: 10px;
            font-size: 1.2rem;
        }
        
        .video-date {
            color: var(--svci-red);
            font-weight: 500;
            font-size: 0.9rem;
            margin-bottom: 15px;
            display: block;
        }
        
        .video-description {
            color: #555;
            margin-bottom: 0;
        }
        
        /* Pied de page */
        .footer {
            background-color: var(--svci-black);
            color: white;
            padding: 60px 0 25px;
            margin-top: 80px;
        }
        
        .footer-title {
            font-weight: bold;
            margin-bottom: 22px;
            position: relative;
            padding-bottom: 12px;
            color: var(--svci-white);
            font-size: 1.3rem;
        }
        
        .footer-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 45px;
            height: 3px;
            background-color: var(--svci-red);
            border-radius: 2px;
        }
        
        .footer-links a {
            color: #DDD;
            text-decoration: none;
            display: block;
            margin-bottom: 12px;
            transition: all 0.3s;
            font-size: 1.05rem;
        }
        
        .footer-links a:hover {
            color: var(--svci-red);
            padding-left: 8px;
        }
        
        .social-icons a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background-color: rgba(255,255,255,0.1);
            text-align: center;
            line-height: 40px;
            border-radius: 50%;
            color: white;
            margin-right: 12px;
            transition: all 0.3s;
            text-decoration: none;
        }
        
        .social-icons a:hover {
            background-color: var(--svci-red);
            color: white;
            transform: translateY(-5px);
        }
        
        .copyright {
            border-top: 1px solid rgba(255,255,255,0.15);
            padding-top: 25px;
            margin-top: 50px;
            text-align: center;
            color: #AAA;
            font-size: 0.95rem;
        }
        
        /* Responsive */
        @media (max-width: 992px) {
            .page-header {
                padding: 70px 0;
            }
            
            .section-title {
                font-size: 1.9rem;
            }
            
            .gallery-container {
                grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            }
        }
        
        @media (max-width: 768px) {
            .navbar-nav {
                text-align: center;
            }
            
            .nav-link {
                margin: 5px 0;
            }
            
            .page-header {
                padding: 60px 0;
            }
            
            .page-header h1 {
                font-size: 2.3rem;
            }
            
            .page-header .lead {
                font-size: 1.1rem;
            }
            
            .section-title {
                font-size: 1.7rem;
                margin-bottom: 35px;
            }
            
            .gallery-filters {
                flex-direction: column;
                align-items: center;
            }
            
            .filter-btn {
                width: 200px;
                margin-bottom: 10px;
            }
            
            .gallery-container, .video-container {
                grid-template-columns: 1fr;
            }
            
            .gallery-section, .video-section {
                padding: 60px 0;
            }
            
            .footer {
                padding: 50px 0 20px;
                text-align: center;
            }
            
            .footer-title:after {
                left: 50%;
                transform: translateX(-50%);
            }
            
            .social-icons {
                justify-content: center;
                margin-top: 20px;
            }
        }
        
        @media (max-width: 576px) {
            .page-header h1 {
                font-size: 2rem;
            }
            
            .section-title {
                font-size: 1.5rem;
            }
            
            .gallery-modal .modal-header, 
            .gallery-modal .modal-footer {
                padding: 15px;
            }
        }
        
        /* Animations */
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .gallery-item, .video-card {
            animation: fadeIn 0.6s ease-out;
        }