/* Réinitialisation des styles */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Arial', sans-serif;
        }

        /* Variables de couleurs - couleurs du CSTD */
        :root {
            --couleur-primaire: #4c7ced;      /* Bleu */
            --couleur-secondaire: #bdb76b;    /* Kaki */
            --couleur-accent: #6b8e23;        /* Vert olive (variante de kaki) */
            --couleur-texte: #333333;         /* Gris foncé pour le texte */
            --couleur-footer: #1a365d;        /* Bleu foncé pour le pied de page */
        }

        body {
            line-height: 1.6;
            color: var(--couleur-texte);
            background-color: #fff;
        }

        /* En-tête */
        header {
            background-color: var(--couleur-primaire);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
        }

        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .logo {
            display: flex;
            align-items: center;
        }

        .logo img {
            height: 60px;
            margin-right: 15px;
        }

        .logo-text h1 {
            font-size: 1.8rem;
            margin-bottom: 5px;
        }

        .logo-text p {
            font-size: 0.9rem;
            opacity: 0.9;
        }

        /* Navigation */
        nav ul {
            display: flex;
            list-style: none;
        }

        nav ul li {
            margin-left: 25px;
        }

        nav ul li a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            transition: opacity 0.3s;
        }

        nav ul li a:hover {
            opacity: 0.8;
        }

        .active {
            border-bottom: 3px solid white;
        }

        /* Bannière */
        .banniere {
            height: 300px;
            background-image: url('https://via.placeholder.com/1500x300');
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            color: white;
            position: relative;
        }

        .banniere::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.5);
        }

        .banniere-contenu {
            z-index: 1;
            max-width: 800px;
            padding: 0 20px;
            position: relative;
        }

        .banniere-contenu h2 {
            font-size: 2.5rem;
            margin-bottom: 20px;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
        }

        /* Contenu principal */
        .contenu {
            max-width: 1200px;
            margin: 50px auto;
            padding: 0 20px;
        }

        .section-titre {
            text-align: center;
            margin-bottom: 40px;
        }

        .section-titre h2 {
            font-size: 2.2rem;
            color: var(--couleur-primaire);
            margin-bottom: 15px;
        }

        .section-titre p {
            font-size: 1.1rem;
            max-width: 700px;
            margin: 0 auto;
            color: #666;
        }

        /* Catégories de galerie */
        .categories {
            display: flex;
            justify-content: center;
            margin-bottom: 30px;
            flex-wrap: wrap;
        }

        .categorie-btn {
            background-color: var(--couleur-secondaire);
            color: #333;
            border: none;
            padding: 8px 20px;
            margin: 5px;
            border-radius: 30px;
            cursor: pointer;
            font-weight: bold;
            transition: all 0.3s;
        }

        .categorie-btn:hover {
            background-color: var(--couleur-accent);
            color: white;
        }

        .categorie-btn.active {
            background-color: var(--couleur-primaire);
            color: white;
        }

        /* Galerie */
        .galerie {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
            margin-bottom: 50px;
        }

        .galerie-item {
            position: relative;
            overflow: hidden;
            border-radius: 8px;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
            cursor: pointer;
            height: 250px;
        }

        .galerie-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }

        .galerie-item:hover .galerie-img {
            transform: scale(1.1);
        }

        .galerie-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background-color: rgba(26, 60, 138, 0.8); /* Bleu semi-transparent */
            padding: 15px;
            transform: translateY(100%);
            transition: transform 0.3s;
        }

        .galerie-item:hover .galerie-overlay {
            transform: translateY(0);
        }

        .galerie-titre {
            color: white;
            font-size: 1.1rem;
            margin-bottom: 5px;
        }

        .galerie-date {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.9rem;
        }

        /* Modal pour agrandissement des images */
        .modal {
            display: none;
            position: fixed;
            z-index: 1000;
            padding-top: 50px;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            overflow: auto;
            background-color: rgba(0, 0, 0, 0.9);
        }

        .modal-content {
            margin: auto;
            display: block;
            max-width: 80%;
            max-height: 80%;
        }

        .modal-caption {
            margin: auto;
            display: block;
            width: 80%;
            max-width: 700px;
            text-align: center;
            color: white;
            padding: 10px 0;
            height: 150px;
        }

        .close {
            position: absolute;
            top: 15px;
            right: 35px;
            color: #f1f1f1;
            font-size: 40px;
            font-weight: bold;
            transition: 0.3s;
            cursor: pointer;
        }

        .close:hover {
            color: #bbb;
        }

        /* Pagination */
        .pagination {
            display: flex;
            justify-content: center;
            margin-top: 30px;
        }

        .pagination-btn {
            display: inline-block;
            width: 40px;
            height: 40px;
            line-height: 40px;
            text-align: center;
            margin: 0 5px;
            border-radius: 50%;
            background-color: var(--couleur-secondaire);
            color: #333;
            text-decoration: none;
            transition: all 0.3s;
        }

        .pagination-btn:hover {
            background-color: var(--couleur-accent);
            color: white;
        }

        .pagination-btn.active {
            background-color: var(--couleur-primaire);
            color: white;
        }

        /* Pied de page */
        footer {
            background-color: var(--couleur-footer);
            color: white;
            padding: 50px 0 20px;
        }

        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
        }

        .footer-colonne h3 {
            font-size: 1.3rem;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-colonne h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background-color: var(--couleur-secondaire);
        }

        .footer-colonne p,
        .footer-colonne address {
            margin-bottom: 15px;
            font-style: normal;
        }

        .footer-colonne ul {
            list-style: none;
        }

        .footer-colonne ul li {
            margin-bottom: 10px;
        }

        .footer-colonne ul li a {
            color: #ddd;
            text-decoration: none;
            transition: color 0.3s;
        }

        .footer-colonne ul li a:hover {
            color: white;
        }

        .footer-bas {
            max-width: 1200px;
            margin: 40px auto 0;
            padding: 20px 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            font-size: 0.9rem;
            color: #aaa;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                text-align: center;
            }

            .logo {
                margin-bottom: 15px;
                justify-content: center;
            }

            nav ul {
                justify-content: center;
                flex-wrap: wrap;
            }

            nav ul li {
                margin: 0 10px 10px;
            }

            .modal-content {
                width: 100%;
            }
        }

        @media (max-width: 480px) {
            .logo-text h1 {
                font-size: 1.5rem;
            }

            .banniere-contenu h2 {
                font-size: 1.8rem;
            }

            .galerie {
                grid-template-columns: 1fr;
            }
        }

        .partenaires {
            display: flex;
            justify-content: space-around;
            align-items: center;
            margin-top: 50px;
            flex-wrap: wrap;
            padding: 20px;
        }