/* Variables et réinitialisation */
       /* :root {
            --primary-color: #2c3e50;
            --secondary-color: #3498db;
            --accent-color: #e74c3c;
            --light-color: #ecf0f1;
            --dark-color: #2c3e50;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        body {
            background-color: #f9f9f9;
            color: var(--dark-color);
            line-height: 1.6;
        }*/

        /* En-tête */
        /*header {
            background-color: var(--primary-color);
            color: white;
            text-align: center;
            box-shadow: var(--shadow);
        }

        h1 {
            font-size: 2.2rem;
            margin-bottom: 0.5rem;
        }*/

        /* Filtres */
        .filters {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 0.8rem;
            margin: 1rem 0;
            padding: 0 1rem;
        }

        .filter-btn {
            background-color: var(--light-color);
            border: none;
            padding: 0.6rem 1.2rem;
            border-radius: 30px;
            cursor: pointer;
            transition: var(--transition);
            font-weight: 500;
        }

        .filter-btn:hover {
            background-color: var(--secondary-color);
            color: white;
        }

        .filter-btn.active {
            background-color: var(--secondary-color);
            color: white;
        }

        /* Galerie */
        .gallery {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1.5rem;
            padding: 2rem;
            max-width: 1400px;
            margin: 0 auto;
        }

        .photo-card {
            background-color: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            cursor: pointer;
        }

        .photo-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
        }

        .photo-img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            display: block;
        }

        .photo-info {
            padding: 1rem;
        }

        .photo-title {
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
            color: var(--dark-color);
        }

        .photo-category {
            color: var(--secondary-color);
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        /* Lightbox */
        .lightbox {
            position: fixed;
            top: 0;
            left: 0;
            margin-top: 100px;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.9);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 1000;
            opacity: 0;
            pointer-events: none;
            transition: var(--transition);
        }

        .lightbox.open {
            opacity: 1;
            pointer-events: all;
        }

        .lightbox-content {
            position: relative;
            max-width: 90%;
            max-height: 90%;
        }

        .lightbox-img {
            max-width: 100%;
            max-height: 80vh;
            border-radius: 8px;
        }

        .lightbox-close {
            position: absolute;
            top: -40px;
            right: 0;
            color: white;
            font-size: 2rem;
            background: none;
            border: none;
            cursor: pointer;
        }

        .lightbox-caption {
            color: white;
            text-align: center;
            margin-top: 1rem;
            font-size: 1.2rem;
        }


        /* Responsive */
        @media (max-width: 768px) {
            .gallery {
                grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
                padding: 1rem;
                gap: 1rem;
            }
            
            h1 {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 480px) {
            .gallery {
                grid-template-columns: 1fr;
            }
            
            .filters {
                flex-direction: column;
                align-items: center;
            }
            
            .filter-btn {
                width: 80%;
            }
        }