        :root {
            --primary-blue: #274386;
            --secondary-bronze: #c09068;
            --gradient-bg: linear-gradient(135deg, #274386 0%, #c09068 100%);
            --dark: #1a1a1a;
            --light: #f8f9fa;
            --white: #ffffff;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }


        body {
            font-family: 'Poppins', sans-serif;
            line-height: 1.6;
            color: #333;
        }

        /* Navigation */
        .navbar {
            background: rgba(255, 255, 255, 0.95) !important;
            backdrop-filter: blur(15px);
            box-shadow: 0 2px 20px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
            padding: 1rem 0;
        }

        .navbar-brand {
            font-weight: 800;
            font-size: 1.8rem;
            background: var(--gradient-bg);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .navbar-nav .nav-link {
            font-weight: 500;
            color: #333 !important;
            margin: 0 0.5rem;
            transition: all 0.3s ease;
            position: relative;
        }

        .navbar-nav .nav-link:hover {
            color: var(--primary-blue) !important;
        }

        .navbar-nav .nav-link::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--secondary-bronze);
            transition: width 0.3s ease;
        }

        .navbar-nav .nav-link:hover::after {
            width: 100%;
        }

        .btn-nav {
            background: var(--gradient-bg);
            border: none;
            color: white;
            padding: 0.5rem 1.5rem;
            border-radius: 25px;
            font-weight: 600;
            transition: all 0.3s ease;
        }

        .btn-nav:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(39, 67, 134, 0.3);
            color: white;
        }

        /* Hero Video Section */
       
        .hero-video {
        position: relative;
        width: 100%;
        height: 100vh; /* pleine hauteur */
        overflow: hidden;
        }

        .video-bg {
        position: absolute;
        top: 50%;
        left: 50%;
        width: 100%; /* occupe toute la largeur du conteneur */
        height: 100%; /* occupe toute la hauteur du conteneur */
        object-fit: cover; /* couvre tout le conteneur sans déformation */
        transform: translate(-50%, -50%);
        }
            
        .hero-content p {
            font-size: 1.3rem;
            margin-bottom: 2rem;
            opacity: 0.95;
        }

        .hero-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-hero {
            padding: 1rem 2rem;
            border-radius: 50px;
            font-weight: 600;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: all 0.3s ease;
            border: 2px solid transparent;
        }

        .btn-hero-primary {
            background: var(--secondary-bronze);
            color: white;
        }

        .btn-hero-primary:hover {
            background: transparent;
            border-color: var(--secondary-bronze);
            color: var(--secondary-bronze);
            transform: translateY(-3px);
        }

        .btn-hero-secondary {
            background: transparent;
            border-color: white;
            color: white;
        }

        .btn-hero-secondary:hover {
            background: white;
            color: var(--primary-blue);
            transform: translateY(-3px);
        }

        /* About Section */
        .about-section {
            padding: 100px 0;
            background: var(--white);
        }

        .section-title {
            text-align: center;
            margin-bottom: 4rem;
        }

        .section-title h2 {
            font-size: 2.5rem;
            font-weight: 800;
            color: #333;
            margin-bottom: 1rem;
        }

        .section-title .highlight {
            background: var(--gradient-bg);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .section-title p {
            font-size: 1.1rem;
            color: #666;
            max-width: 600px;
            margin: 0 auto;
        }

        .about-card {
            background: white;
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            text-align: center;
            transition: all 0.3s ease;
            height: 100%;
        }

        .about-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.15);
        }
		 body, html {
            margin: 0;
            padding: 0;
            background: none; /* pas de fond noir */
        }
        .video-slider {
            display: flex;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
        }
        .slide {
            min-width: 100vw; /* pleine largeur écran */
            scroll-snap-align: start;
            position: relative;
        }
        video {
            width: 100%;
            height: auto; /* hauteur auto pour garder ratio */
            display: block;
            object-fit: cover;
        }
        /* Pour enlever les barres de défilement visibles, optionnel */
        .video-slider::-webkit-scrollbar {
            display: none;
        }
        .video-slider {
            -ms-overflow-style: none;  /* IE and Edge */
            scrollbar-width: none;  /* Firefox */
        }

        .about-icon {
            width: 80px;
            height: 80px;
            background: var(--gradient-bg);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            font-size: 2rem;
            color: white;
        }

        /* Services Section */
        .services-section {
            padding: 100px 0;
            background: var(--light);
        }

        .service-card {
            background: white;
            padding: 2.5rem;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--gradient-bg);
        }

        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.15);
        }

        .service-icon {
            width: 70px;
            height: 70px;
            background: var(--gradient-bg);
            border-radius: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.5rem;
            font-size: 1.8rem;
            color: white;
        }

        .service-card h4 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: #333;
        }

        .service-card p {
            color: #666;
            margin-bottom: 1.5rem;
        }

        .service-features {
            list-style: none;
            padding: 0;
        }

        .service-features li {
            padding: 0.3rem 0;
            color: #555;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .service-features li i {
            color: var(--secondary-bronze);
            font-size: 0.8rem;
        }

        /* Portfolio Section */
        .portfolio-section {
            padding: 100px 0;
            background: white;
        }

        .portfolio-item {
            position: relative;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
            margin-bottom: 2rem;
        }

        .portfolio-item:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.15);
        }

        .portfolio-img {
            width: 100%;
            height: 100px;
            background: var(--gradient-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3rem;
            color: white;
        }

        .portfolio-content {
            padding: 1.5rem;
        }

        .portfolio-content h5 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: #333;
        }

        .portfolio-content p {
            color: #666;
            margin-bottom: 1rem;
        }

        .portfolio-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        .portfolio-tag {
            background: var(--light);
            color: var(--primary-blue);
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
        }

        /* Testimonials Section */
        .testimonials-section {
            padding: 100px 0;
            background: var(--light);
        }

        .testimonial-card {
            background: white;
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            text-align: center;
            transition: all 0.3s ease;
            height: 100%;
        }

        .testimonial-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.15);
        }

        .testimonial-avatar {
            width: 80px;
            height: 80px;
            background: var(--gradient-bg);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            font-size: 1.5rem;
            color: white;
            font-weight: 700;
        }

        .testimonial-stars {
            color: #ffc107;
            margin-bottom: 1rem;
        }

        .testimonial-text {
            font-style: italic;
            color: #666;
            margin-bottom: 1rem;
        }

        .testimonial-author {
            font-weight: 600;
            color: #333;
        }

        .testimonial-company {
            color: var(--secondary-bronze);
            font-size: 0.9rem;
        }

        /* Stats Section */
        .stats-section {
            padding: 80px 0;
            background: var(--gradient-bg);
            color: white;
        }

        .stat-item {
            text-align: center;
            padding: 1rem;
        }

        .stat-number {
            font-size: 3rem;
            font-weight: 900;
            margin-bottom: 0.5rem;
            display: block;
        }

        .stat-label {
            font-size: 1.1rem;
            opacity: 0.9;
        }

        /* Contact Section */
        .contact-section {
            padding: 100px 0;
            background: white;
        }

        .contact-form {
            background: var(--light);
            padding: 2.5rem;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }

        .form-control {
            border: 1px solid #ddd;
            border-radius: 8px;
            padding: 0.75rem 1rem;
            margin-bottom: 1rem;
            transition: all 0.3s ease;
        }

        .form-control:focus {
            border-color: var(--primary-blue);
            box-shadow: 0 0 0 0.2rem rgba(39, 67, 134, 0.25);
        }

        .btn-contact {
            background: var(--gradient-bg);
            border: none;
            color: white;
            padding: 0.75rem 2rem;
            border-radius: 8px;
            font-weight: 600;
            transition: all 0.3s ease;
            width: 100%;
        }

        .btn-contact:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(39, 67, 134, 0.3);
            color: white;
        }

        .contact-info {
            padding: 2rem 0;
        }

        .contact-item {
            display: flex;
            align-items: center;
            margin-bottom: 1.5rem;
        }

        .contact-icon {
            width: 50px;
            height: 50px;
            background: var(--gradient-bg);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 1rem;
            color: white;
        }

        /* Footer */
        .footer {
            background: linear-gradient(
            135deg,
            rgb(39, 67, 134) 0%,
            rgb(192, 144, 104) 50%,
            rgb(39, 67, 134) 100%
        );
            color: white;
            padding: 60px 0 20px;
        }

        .footer h5 {
            color: WHITE;
            font-weight: 700;
            margin-bottom: 1.5rem;
        }

        .footer ul {
            list-style: none;
            padding: 0;
        }

        .footer ul li {
            margin-bottom: 0.8rem;
        }

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

        .footer ul li a:hover {
            color: var(--secondary-bronze);
        }

        .footer-social {
            display: flex;
            gap: 1rem;
            margin-top: 1rem;
        }
		.pdf-header::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1.5" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
            animation: float 6s ease-in-out infinite;
        }

        .footer-social a {
            width: 45px;
            height: 45px;
            background: WHITE;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #c09068;
            text-decoration: none;
            transition: all 0.3s ease;
        }

        .footer-social a:hover {
            background: var(--secondary-bronze);
            transform: translateY(-3px);
        }

        .footer-bottom {
            border-top: 1px solid #333;
            margin-top: 2rem;
            padding-top: 2rem;
            text-align: center;
            color: #999;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .hero-content h1 {
                font-size: 2.5rem;
            }

            .section-title h2 {
                font-size: 2rem;
            }

            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }

            .btn-hero {
                width: 250px;
                justify-content: center;
            }

            .stat-number {
                font-size: 2.5rem;
            }
        }
		.pdf-header {
            background: var(--gradient-bg);
            color: white;
            padding: 2rem 0;
            position: relative;
            overflow: hidden;
            animation: fadeInScale 0.8s ease-out 0.7s both;
        }
		
		.element {
        position: relative;
        
        
        overflow: hidden;
        }

        .element::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 400%; /* plus large pour l'animation */
        height: 12px; /* hauteur de la bordure */
        background: linear-gradient(
            135deg,
            rgb(39, 67, 134) 0%,
            rgb(192, 144, 104) 50%,
            rgb(39, 67, 134) 100%
        );
        background-size: 200% 100%; /* pour créer le mouvement */
        animation: moveGradient 3s linear infinite;
        }

        @keyframes moveGradient {
        0% {
            background-position: 0% 0%;
        }
        100% {
            background-position: -100% 0%;
        }
        }
        .portfolio-img::before {
        background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
        content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
        }

        .service-icon::before {
        background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
        content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
        }
        .about-icon::before {
        background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
        content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
        }

        footer::before {
                
        background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
        content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
        }
        footer {
            position: relative; /* pour que ::before soit positionné par rapport au footer */
            overflow: hidden;   /* si tu veux éviter les débordements */
        }

        footer::before {
            z-index: 0; /* derrière le contenu du footer */
        }

        footer * {
            position: relative;
            z-index: 1; /* le contenu du footer au-dessus du ::before */
        }