:root {
            --primary-color: #ffb700;
            --secondary-color: #a57b00;
            --dark-color: #333;
            --light-color: #f9f9f9;
            --gray-color: #667;
        }
        
        /* Style de préchargement pour éviter le CLS */
        .header_page {
            position: relative;
            width: 100%;
            height: 90vh;
            min-height: 600px;
            overflow: hidden;
            background-color: #333; /* Couleur de fond en attendant l'image */
        }
        
        /* Image de fond optimisée - CSS inline pour le chargement initial */
        .header_bg_image {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            object-position: center;
            z-index: 0;
            filter: brightness(0.8);
            /* Transition douce pour le chargement */
            opacity: 0;
             
        }
        
        .header_bg_image.loaded {
            opacity: 1;
        }
        
        .header_overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.6);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 1;
        }
        
        .header_content {
            max-width: 900px;
            padding: 0 20px;
            z-index: 2;
            color: white;
            text-align: center;
        }
        
        /* Reste de vos styles... */
        .adage {
            color: var(--primary-color);
        }
        
        .logos_container {
            display: flex;
            justify-content: center;
            gap: 40px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }
        
        .header_logo {
            height: 120px;
            width: auto;
            object-fit: contain;
            transition: transform 0.3s ease;
        }
        
        .header_logo:hover {
            transform: scale(1.1);
        }
        
        .header_text h1 {
            font-family: 'Cinzel', sans-serif;
            font-size: 3rem;
            margin-bottom: 20px;
            color: #ffb700;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
        }
        
        .header_text p {
            font-size: 1.2rem;
            line-height: 1.6;
            margin-bottom: 30px;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .buttons_container {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
        }
        
        .join_button {
            display: inline-block;
            padding: 12px 30px;
            background-color: var(--primary-color);
            color: var(--dark-color);
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            border-radius: 30px;
            transition: all 0.3s ease;
            border: 2px solid var(--primary-color);
        }
        
        .join_button:hover {
            background-color: transparent;
            color: var(--primary-color);
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
        }
        
        /* Style pour l'indicateur de chargement */
        .image-loading {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 50px;
            height: 50px;
            border: 3px solid rgba(255, 255, 255, 0.3);
            border-radius: 50%;
            border-top-color: var(--primary-color);
            animation: spin 1s ease-in-out infinite;
            z-index: 10;
        }
        
        @keyframes spin {
            to { transform: translate(-50%, -50%) rotate(360deg); }
        }
        
        @media (max-width: 768px) {
            .header_text h1 {
                font-size: 2.2rem;
            }
            
            .header_text p {
                font-size: 1rem;
            }
            
            .logos_container {
                gap: 20px;
            }
            
            .header_logo {
                height: 80px;
            }
            
            .buttons_container {
                flex-direction: column;
                align-items: center;
            }
        }
        
        @media (max-width: 480px) {
            .logos_container {
                flex-direction: column;
                align-items: center;
                gap: 15px;
            }
            
            .header_text h1 {
                font-size: 1.8rem;
            }
            
            .header_logo {
                height: 60px;
            }
        }