:root {
            --bleu-nuit: #1a237e;
            --rouge-nuit: #b71c1c;
            --blanc: #ffffff;
            --gris-clair: #f5f5f5;
            --gris-fonce: #424242;
            --bleu-clair: #3f51b5;
            --rouge-clair: #e53935;
            --bleu-gradient: linear-gradient(135deg, #1a237e 0%, #283593 100%);
            --rouge-gradient: linear-gradient(135deg, #b71c1c 0%, #c62828 100%);
        }

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

        body {
            background-color: var(--gris-clair);
            color: var(--gris-fonce);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* Header supérieur */
        .header-top {
            background: var(--bleu-gradient);
            color: var(--blanc);
            padding: 8px 0;
            position: relative;
            overflow: hidden;
            height: 40px;
        }

        .info-scroll {
            overflow: hidden;
            white-space: nowrap;
            position: relative;
            height: 100%;
            display: flex;
            align-items: center;
        }

        .info-label {
            position: absolute;
            left: 0;
            top: 0;
            background: var(--rouge-gradient);
            padding: 0 15px;
            font-weight: bold;
            z-index: 2;
            height: 100%;
            display: flex;
            align-items: center;
            box-shadow: 2px 0 5px rgba(0,0,0,0.1);
        }

        .info-scroll-content {
            display: inline-block;
            padding-left: 100%;
            animation: scroll 25s linear infinite;
        }

        @keyframes scroll {
            0% {
                transform: translateX(0);
            }
            100% {
                transform: translateX(-100%);
            }
        }

        /* Header principal */
        .header-main {
            background-color: var(--blanc);
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
        }

        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

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

        .logo img {
            height: 60px;
            transition: transform 0.3s;
        }

        .logo:hover img {
            transform: scale(1.05);
        }

        /* Navigation */
        .nav-menu {
            display: flex;
            list-style: none;
            align-items: center;
        }

        .nav-menu li {
            position: relative;
            margin-left: 15px;
        }

        .nav-menu a {
            text-decoration: none;
            color: var(--bleu-nuit);
            font-weight: 600;
            padding: 10px 15px;
            border-radius: 6px;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            font-size: 0.95rem;
        }

        .nav-menu a i {
            margin-left: 5px;
            font-size: 0.8rem;
        }

        .nav-menu a:hover {
            background: var(--bleu-gradient);
            color: var(--blanc);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(26, 35, 126, 0.3);
        }

        .dropdown-menu {
            display: none;
            position: absolute;
            background-color: var(--blanc);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
            border-radius: 10px;
            min-width: 220px;
            z-index: 1000;
            top: 100%;
            left: 0;
            overflow: hidden;
            animation: fadeIn 0.3s ease;
            border-top: 3px solid var(--rouge-nuit);
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(-10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .dropdown-menu li {
            margin: 0;
            width: 100%;
        }

        .dropdown-menu a {
            display: block;
            padding: 12px 20px;
            border-bottom: 1px solid #f0f0f0;
            transition: all 0.3s;
            border-radius: 0;
        }

        .dropdown-menu a:hover {
            background: var(--bleu-gradient);
            color: var(--blanc);
            padding-left: 25px;
        }

        .dropdown:hover .dropdown-menu {
            display: block;
        }

        .search-icon {
            margin-left: 20px;
            color: var(--bleu-nuit);
            font-size: 1.2rem;
            cursor: pointer;
            transition: color 0.3s;
            padding: 8px;
            border-radius: 50%;
        }

        .search-icon:hover {
            color: var(--rouge-nuit);
            background-color: #f0f0f0;
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--bleu-nuit);
            cursor: pointer;
            transition: color 0.3s;
            padding: 5px;
            border-radius: 5px;
        }

        .mobile-menu-btn:hover {
            color: var(--rouge-nuit);
            background-color: #f0f0f0;
        }

        /* Bannière défilante */
        .banner {
            position: relative;
            height: 500px; /* Réduit pour meilleur responsive */
            overflow: hidden;
            border-radius: 0 0 20px 20px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }

        .slides {
            display: flex;
            width: 300%;
            height: 100%;
            transition: transform 0.8s cubic-bezier(0.65, 0, 0.35, 1);
        }

        .slide {
            width: 33.333%;
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            text-align: center;
            color: var(--blanc);
            padding: 20px;
            position: relative;
            overflow: hidden;
        }

        .slide::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(26, 35, 126, 0.8) 0%, rgba(183, 28, 28, 0.7) 100%);
            z-index: 1;
        }

        .slide-content {
            position: relative;
            z-index: 2;
            max-width: 90%;
            animation: slideUp 1s ease;
            padding: 20px;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border-radius: 15px;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        @keyframes slideUp {
            from { opacity: 0; transform: translateY(40px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .slide h2 {
            font-size: 2.5rem; /* Réduit pour meilleur responsive */
            margin-bottom: 15px;
            text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
            font-weight: 700;
            line-height: 1.2;
        }

        .slide p {
            font-size: 1.2rem; /* Réduit pour meilleur responsive */
            margin-bottom: 20px;
            text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.5);
            font-weight: 300;
            line-height: 1.4;
        }

        .btn-primary {
            display: inline-block;
            background: var(--rouge-gradient);
            color: white;
            padding: 12px 30px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s;
            box-shadow: 0 5px 15px rgba(183, 28, 28, 0.4);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(183, 28, 28, 0.6);
        }

        .slide-1 {
            /* Utilise l'image locale située dans le dossier media */
            background: url('../media/background.png') center/cover;
            background-repeat: no-repeat;
            background-position: center;
            background-size: cover;
        }

        .slide-2 {
            /* Utilise l'image locale située dans le dossier media */
            background: url('../media/slide2.png') center/cover;
            background-repeat: no-repeat;
            background-position: center;
            background-size: cover;
        }

        .slide-3 {
            background: url('../media/ucao-.jpg') center/cover;
               }

        .banner-dots {
            position: absolute;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 15px;
            z-index: 3;
        }

        .dot {
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background-color: rgba(255, 255, 255, 0.5);
            cursor: pointer;
            transition: all 0.3s;
            border: 2px solid transparent;
        }

        .dot.active {
            background-color: var(--blanc);
            transform: scale(1.2);
            border-color: var(--rouge-nuit);
        }

        /* Section Historique */
        .history {
            padding: 100px 0;
            background-color: var(--blanc);
        }

        .section-title {
            text-align: center;
            margin-bottom: 60px;
            position: relative;
        }

        .section-title h2 {
            font-size: 3rem;
            color: var(--bleu-nuit);
            display: inline-block;
            padding-bottom: 15px;
            font-weight: 700;
        }

        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 120px;
            height: 4px;
            background: var(--rouge-gradient);
            border-radius: 2px;
        }

        .history-content {
            display: flex;
            align-items: center;
            gap: 50px;
        }

        .history-text {
            flex: 1;
        }

        .history-text p {
            margin-bottom: 25px;
            font-size: 1.15rem;
            text-align: justify;
        }

        .history-image {
            flex: 1;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
            transition: transform 0.5s, box-shadow 0.5s;
        }

        .history-image:hover {
            transform: translateY(-10px) scale(1.02);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
        }

        .history-image img {
            width: 100%;
            height: auto;
            display: block;
        }

        /* Section Actualités */
        .news {
            padding: 100px 0;
            background-color: var(--gris-clair);
            position: relative;
        }

        .news-carousel {
            position: relative;
            overflow: hidden;
            padding: 0 50px;
        }

        .news-container {
            display: flex;
            transition: transform 0.5s ease;
            gap: 30px;
        }

        .news-card {
            flex: 0 0 calc(33.333% - 20px);
            background-color: var(--blanc);
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
            transition: all 0.4s;
            position: relative;
        }

        .news-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
        }

        .news-image {
            height: 220px;
            overflow: hidden;
            position: relative;
        }

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

        .news-card:hover .news-image img {
            transform: scale(1.1);
        }

        .news-date {
            position: absolute;
            top: 15px;
            left: 15px;
            background: var(--rouge-gradient);
            color: var(--blanc);
            padding: 8px 15px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            z-index: 2;
            box-shadow: 0 3px 10px rgba(183, 28, 28, 0.3);
        }

        .news-content {
            padding: 25px;
        }

        .news-title {
            font-size: 1.3rem;
            color: var(--bleu-nuit);
            margin-bottom: 12px;
            line-height: 1.4;
            font-weight: 600;
        }

        .news-excerpt {
            color: var(--gris-fonce);
            margin-bottom: 20px;
            line-height: 1.6;
        }

        .news-link {
            display: inline-flex;
            align-items: center;
            color: var(--rouge-nuit);
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s;
        }

        .news-link:hover {
            color: var(--bleu-nuit);
            transform: translateX(5px);
        }

        .news-link i {
            margin-left: 8px;
            transition: transform 0.3s;
        }

        .news-link:hover i {
            transform: translateX(5px);
        }

        .carousel-controls {
            display: flex;
            justify-content: center;
            margin-top: 40px;
            gap: 15px;
        }

        .carousel-btn {
            background: var(--bleu-gradient);
            color: var(--blanc);
            border: none;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s;
            box-shadow: 0 5px 15px rgba(26, 35, 126, 0.3);
            font-size: 1.2rem;
        }

        .carousel-btn:hover {
            background: var(--rouge-gradient);
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(183, 28, 28, 0.4);
        }

        .news-button {
            text-align: center;
            margin-top: 50px;
        }

        /* Footer */
        .footer {
            background: var(--bleu-gradient);
            color: var(--blanc);
            padding: 70px 0 25px;
        }

        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            margin-bottom: 40px;
        }

        .footer-column {
            flex: 1;
            min-width: 250px;
            margin-bottom: 30px;
        }

        .footer-column h3 {
            font-size: 1.4rem;
            margin-bottom: 25px;
            position: relative;
            padding-bottom: 12px;
            font-weight: 600;
        }

        .footer-column h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background: var(--rouge-gradient);
            border-radius: 2px;
        }

        .footer-logo {
            margin-bottom: 20px;
            display: flex;
            justify-content: center;
        }

        .footer-logo img {
            height: 70px;
        }

        .footer-slogan {
            margin-bottom: 20px;
            font-style: italic;
            font-size: 1.1rem;
            text-align: center;
        }

        .footer-social {
            display: flex;
            gap: 15px;
            justify-content: center;
        }

        .footer-social a {
            color: var(--blanc);
            font-size: 1.5rem;
            transition: all 0.3s;
        }

        .footer-social a:hover {
            color: var(--rouge-clair);
            transform: translateY(-3px);
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            color: var(--blanc);
            text-decoration: none;
            transition: all 0.3s;
            display: flex;
            align-items: center;
        }

        .footer-links a i {
            margin-right: 10px;
            font-size: 0.9rem;
        }

        .footer-links a:hover {
            color: var(--rouge-clair);
            transform: translateX(5px);
        }

        .footer-contact li {
            margin-bottom: 15px;
            display: flex;
            align-items: flex-start;
        }

        .footer-contact i {
            margin-right: 10px;
            margin-top: 3px;
            color: var(--rouge-clair);
        }

        .footer-bottom {
            text-align: center;
            padding-top: 25px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-bottom a {
            color: var(--rouge-clair);
            text-decoration: none;
            transition: color 0.3s;
            font-weight: 600;
        }

        .footer-bottom a:hover {
            color: var(--blanc);
            text-decoration: underline;
        }

        /* Responsive Design */
        @media (max-width: 1100px) {
            .history-content {
                flex-direction: column;
            }
            
            .history-text,
            .history-image {
                width: 100%;
            }
            
            .history-image {
                margin-top: 30px;
                width: 80%;
            }
            
            .news-card {
                flex: 0 0 calc(50% - 15px);
            }
        }
        
        @media (max-width: 992px) {
            .banner {
                height: 420px;
            }
            
            .slide-content {
                max-width: 92%;
            }
            
            .slide h2 {
                font-size: 2.2rem;
            }
            
            .slide p {
                font-size: 1.1rem;
            }
        }

        @media (max-width: 768px) {
            .header-top {
                flex-direction: row;
                padding: 0;
                height: 35px;
            }
            
            .info-scroll {
                padding-left: 100px;
                margin-bottom: 0;
            }
            
            .info-label {
                height: 100%;
                padding: 0 12px;
            }
            
            .mobile-menu-btn {
                display: block;
                order: 1;
            }
            
            .header-content {
                position: relative;
            }
            
            .nav-menu {
                display: none;
                position: absolute;
                top: 100%;
                right: 0;
                width: 280px;
                background-color: var(--blanc);
                flex-direction: column;
                box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
                z-index: 1000;
                padding: 20px;
                border-radius: 0 0 0 15px;
                border-left: 3px solid var(--rouge-nuit);
                border-bottom: 3px solid var(--rouge-nuit);
            }
            
            .nav-menu.active {
                display: flex;
            }
            
            .nav-menu li {
                margin: 0;
                width: 100%;
            }
            
            .nav-menu a {
                display: block;
                padding: 15px 20px;
                border-bottom: 1px solid #eee;
                border-radius: 5px;
            }
            
            .dropdown-menu {
                position: static;
                box-shadow: none;
                display: none;
                width: 100%;
                margin-top: 10px;
                border-radius: 8px;
                border: 1px solid #eee;
            }
            
            .dropdown.active .dropdown-menu {
                display: block;
            }
            
            .search-icon {
                margin-left: 0;
                margin-top: 15px;
                align-self: flex-start;
            }
            
            .banner {
                height: 400px;
            }
            
            .slide-content {
                max-width: 95%;
                padding: 15px;
            }
            
            .slide h2 {
                font-size: 1.8rem;
                margin-bottom: 12px;
            }
            
            .slide p {
                font-size: 1rem;
                margin-bottom: 15px;
            }
            
            .btn-primary {
                padding: 10px 24px;
                font-size: 0.9rem;
            }
            
            .news-carousel {
                padding: 0 20px;
            }
            
            .news-card {
                flex: 0 0 calc(100% - 10px);
            }
            
            .footer-column:nth-child(2), .footer-column:nth-child(3) {
                display: none;
            }
            
            .footer-column:first-child, .footer-column:last-child {
                flex: 1 0 100%;
                text-align: center;
            }
            
            .footer-logo {
                display: flex;
                justify-content: center;
            }
            
            .footer-slogan {
                text-align: center;
            }
            
            .footer-social {
                display: flex;
                justify-content: center;
                gap: 15px;
            }
            
            .footer-column h3::after {
                left: 50%;
                transform: translateX(-50%);
            }
            
            .footer-links {
                display: flex;
                flex-direction: column;
                align-items: center;
            }
            
            .footer-links li {
                text-align: center;
            }
            
            .footer-contact {
                display: flex;
                flex-direction: column;
                align-items: center;
            }
        }

        @media (max-width: 576px) {
            .logo img {
                height: 50px;
            }
            
            .banner {
                height: 350px;
            }
            
            .slide-content {
                padding: 12px;
            }
            
            .slide h2 {
                font-size: 1.4rem;
                margin-bottom: 10px;
            }
            
            .slide p {
                font-size: 0.9rem;
                margin-bottom: 12px;
            }
            
            .btn-primary {
                padding: 8px 20px;
                font-size: 0.85rem;
            }
            
            .section-title h2 {
                font-size: 2rem;
            }
            
            .history-image {
                width: 100%;
            }
            
            .banner-dots {
                bottom: 15px;
                gap: 10px;
            }
            
            .dot {
                width: 12px;
                height: 12px;
            }
        }