:root {
            --primary: #2d414ac4;
            --secondary: #2d414a;
            --accent: #e74c3c;
            --light: #f8f9fa;
            --dark: #222;
            --gray: #6c757d;
            --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            --gold: #d4af37;
        }
        .technologyelevator{color: deepskyblue;}
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Roboto', sans-serif;
            line-height: 1.6;
            color: var(--dark);
            overflow-x: hidden;
            background-color: #f5f7fa;
        }
        
        h1, h2, h3, h4, h5 {
            font-family: 'Montserrat', sans-serif;
            font-weight: 700;
        }
        
        /* Navigation */
        nav {
            position: fixed;
            top: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.98);
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
            z-index: 1000;
            transition: var(--transition);
        }
        
        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 5%;
            max-width: 1400px;
            margin: 0 auto;
        }
        
        .logo {
            height: 65px;
            display: flex;
            align-items: center;
        }
        
        .logo-content {
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            text-align: center;
            line-height: 1.2;
            font-weight: 700;
            color: var(--secondary);
            border: 3px solid var(--secondary);
            padding: 8px 15px;
            border-radius: 4px;
        }
        
        .logo-top {
            font-size: 1.8rem;
            letter-spacing: 1px;
        }
        
        .logo-bottom {
            font-size: 1.1rem;
            letter-spacing: 1px;
            margin-top: 3px;
        }
        
        .nav-links {
            display: flex;
            gap: 2.2rem;
        }
        
        .nav-links a {
            text-decoration: none;
            color: var(--secondary);
            font-weight: 600;
            position: relative;
            padding: 5px 0;
            transition: var(--transition);
            font-size: 1.05rem;
        }
        
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--gold);
            transition: var(--transition);
        }
        
        .nav-links a:hover {
            color: var(--primary);
        }
        
        .nav-links a:hover::after {
            width: 100%;
        }
        
        .mobile-menu-btn {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--secondary);
        }
        
        /* Hero Slider */
        .hero-slider {
            position: relative;
            height: 100vh;
            overflow: hidden;
        }
        
        .slider-container {
            height: 100%;
            position: relative;
        }
        
        .slide {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            opacity: 0;
            transition: opacity 1.2s ease-in-out;
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 0 10%;
        }
        
        .slide.active {
            opacity: 1;
            z-index: 1;
        }
        
        .slide-overlay {
            background: rgba(0, 0, 0, 0.6);
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 0;
        }
        
        .slide-content {
            position: relative;
            z-index: 2;
            color: white;
            max-width: 800px;
            transform: translateY(30px);
            opacity: 0;
            transition: all 0.8s ease;
        }
        
        .slide.active .slide-content {
            transform: translateY(0);
            opacity: 1;
        }
        
        .slide h1 {
            font-size: 3.5rem;
            margin-bottom: 1rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            text-shadow: 0 2px 10px rgba(0,0,0,0.3);
        }
        
        .slide p {
            font-size: 1.3rem;
            margin-bottom: 2rem;
            text-shadow: 0 1px 3px rgba(0,0,0,0.3);
        }
        
        .btn {
            display: inline-block;
            padding: 1rem 2.2rem;
            background: var(--gold);
            color: var(--secondary);
            border-radius: 4px;
            transition: var(--transition);
            font-weight: 700;
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 1px;
            font-size: 1rem;
            border: 2px solid var(--gold);
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }
        
        .btn:hover {
            background: transparent;
            color: white;
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
        }
        
        .slider-nav {
            position: absolute;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 10px;
            z-index: 10;
        }
        
        .slider-dot {
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--secondary);
            cursor: pointer;
            transition: var(--transition);
        }
        
        .slider-dot.active {
            background: var(--gold);
            transform: scale(1.3);
        }
        
        .slider-arrows {
            position: absolute;
            top: 50%;
            width: 100%;
            display: flex;
            justify-content: space-between;
            padding: 0 20px;
            z-index: 10;
        }
        
        .slider-arrow {
            color: white;
            font-size: 2.8rem;
            cursor: pointer;
            opacity: 0.7;
            transition: var(--transition);
            text-shadow: 0 2px 5px rgba(0,0,0,0.3);
        }
        
        .slider-arrow:hover {
            opacity: 1;
            transform: scale(1.2);
            color: var(--gold);
        }
        
        /* Sections communes */
        section {
            padding: 6rem 5%;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 4rem;
        }
        
        .section-title h2 {
            font-size: 2.8rem;
            color: var(--secondary);
            margin-bottom: 1rem;
            position: relative;
            display: inline-block;
        }
        
        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 5px;
            background: var(--gold);
            border-radius: 3px;
        }
        
        .section-title p {
            color: var(--gray);
            font-size: 1.2rem;
            max-width: 700px;
            margin: 2rem auto 0;
        }
        
        /* Products Section */
        #products {
            background: var(--light);
        }
        
        .product-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 2.5rem;
        }
        
        .product-card {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
            transition: var(--transition);
            transform: translateY(50px);
            opacity: 0;
            border: 1px solid rgba(0,0,0,0.05);
        }
        
        .product-card.animate {
            transform: translateY(0);
            opacity: 1;
        }
        
        .product-img {
            height: 250px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        
        .product-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 51, 102, 0.85);
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            transition: var(--transition);
        }
        
        .product-card:hover .product-overlay {
            opacity: 1;
        }
        
        .product-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
        }
        
        .view-details {
            color: white;
            text-decoration: none;
            font-weight: 600;
            background: var(--gold);
            padding: 0.8rem 1.8rem;
            border-radius: 4px;
            transition: var(--transition);
            border: 2px solid var(--gold);
        }
        
        .view-details:hover {
            background: transparent;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }
        
        .product-info {
            padding: 1.8rem;
        }
        
        .product-info h3 {
            margin-bottom: 1.2rem;
            color: var(--secondary);
            font-size: 1.5rem;
            position: relative;
            padding-bottom: 10px;
        }
        
        .product-info h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background: var(--gold);
        }
        
        .product-info ul {
            list-style: none;
        }
        
        .product-info li {
            margin-bottom: 0.8rem;
            position: relative;
            padding-left: 30px;
            font-size: 1.05rem;
        }
        
        .product-info li::before {
            content: '\f00c';
            font-family: 'Font Awesome 5 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 2px;
            color: var(--gold);
            font-size: 1.1rem;
        }
        
        /* About Section */
        #about {
            display: flex;
            flex-direction: column;
            background: linear-gradient(rgba(255,255,255,0.9), rgba(255,255,255,0.9)), url('https://images.unsplash.com/photo-1517245386807-bb43f82c33c4?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80') no-repeat center/cover;
        }
        
        .about-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
        }
        
        .about-img {
            height: 500px;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
            position: relative;
            transform: translateX(-50px);
            opacity: 0;
            transition: all 0.8s ease;
        }
        
        .about-img.animate {
            transform: translateX(0);
            opacity: 1;
        }
        
        .about-content {
            transform: translateX(50px);
            opacity: 0;
            transition: all 0.8s ease;
        }
        
        .about-content.animate {
            transform: translateX(0);
            opacity: 1;
        }
        
        .about-content h2 {
            font-size: 2.5rem;
            color: var(--secondary);
            margin-bottom: 1.5rem;
            position: relative;
            padding-bottom: 15px;
        }
        
        .about-content h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 4px;
            background: var(--gold);
        }
        
        .about-content p {
            margin-bottom: 1.5rem;
            line-height: 1.8;
            font-size: 1.1rem;
        }
        
        .about-features {
            margin-top: 2rem;
        }
        
        .feature-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 1.5rem;
        }
        
        .feature-icon {
            margin-right: 1.5rem;
            color: var(--secondary);
            font-size: 1.8rem;
            min-width: 50px;
        }
        
        .feature-text h4 {
            font-size: 1.3rem;
            margin-bottom: 0.5rem;
            color: var(--secondary);
        }
        
        .feature-text p {
            color: var(--gray);
        }
        
        /* Contact Section */
        #contact {
            background: var(--secondary);
            color: white;
            position: relative;
            overflow: hidden;
        }
        
        .contact-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: var(--secondary);
            z-index: 1;
        }
        
        .contact-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            position: relative;
            z-index: 2;
            max-width: 1400px;
            margin: 0 auto;
        }
        
        .contact-info {
            transform: translateY(50px);
            opacity: 0;
            transition: all 0.8s ease;
        }
        
        .contact-info.animate {
            transform: translateY(0);
            opacity: 1;
        }
        
        .contact-info h3 {
            font-size: 2rem;
            margin-bottom: 2rem;
            position: relative;
            padding-bottom: 15px;
            color: var(--gold);
        }
        
        .contact-info h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 3px;
            background: var(--gold);
        }
        
        .contact-detail {
            display: flex;
            align-items: flex-start;
            margin-bottom: 1.8rem;
        }
        
        .contact-icon {
            margin-right: 1.5rem;
            font-size: 1.5rem;
            min-width: 40px;
            color: var(--gold);
            margin-top: 5px;
        }
        
        .contact-text h4 {
            font-size: 1.3rem;
            margin-bottom: 0.3rem;
        }
        
        .contact-text p {
            opacity: 0.9;
            font-size: 1.1rem;
        }
        
        .contact-image {
            height: 500px;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
            transform: translateY(50px);
            opacity: 0;
            transition: all 0.8s ease;
            border: 5px solid rgba(212, 175, 55, 0.3);
        }
        
        .contact-image.animate {
            transform: translateY(0);
            opacity: 1;
        }
        
        .contact-image-content {
            width: 100%;
            height: 100%;
            background: url('/img/contact.jpg') no-repeat center/cover;
            display: flex;
            align-items: flex-end;
            padding: 30px;
        }
        
        .image-caption {
            background: rgba(0, 0, 0, 0.7);
            padding: 20px;
            border-radius: 5px;
            max-width: 400px;
        }
        
        .image-caption h4 {
            color: var(--gold);
            margin-bottom: 10px;
            font-size: 1.4rem;
        }
        
        .image-caption p {
            opacity: 0.9;
        }
        
        /* Footer */
        footer {
            background: #111;
            color: white;
            padding: 3rem 5% 2rem;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            max-width: 1400px;
            margin: 0 auto;
        }
        
        .footer-column h4 {
            font-size: 1.4rem;
            margin-bottom: 1.5rem;
            position: relative;
            padding-bottom: 10px;
            color: var(--gold);
        }
        
        .footer-column h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 3px;
            background: var(--gold);
        }
        
        .footer-column p {
            margin-bottom: 1rem;
            opacity: 0.8;
        }
        
        .social-links {
            display: flex;
            gap: 1rem;
            margin-top: 1.5rem;
        }
        
        .social-links a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 45px;
            height: 45px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            color: var(--gold);
            transition: var(--transition);
            font-size: 1.2rem;
        }
        
        .social-links a:hover {
            background: var(--gold);
            color: var(--secondary);
            transform: translateY(-5px);
        }
        
        .footer-column ul {
            list-style: none;
        }
        
        .footer-column ul li {
            margin-bottom: 0.8rem;
        }
        
        .footer-column ul li a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            transition: var(--transition);
            display: block;
            font-size: 1.05rem;
        }
        
        .footer-column ul li a:hover {
            color: var(--gold);
            transform: translateX(5px);
        }
        
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            opacity: 0.7;
            font-size: 0.9rem;
        }
        
        /* Responsive */
        @media (max-width: 1200px) {
            .about-container,
            .contact-container {
                gap: 3rem;
            }
        }
        
        @media (max-width: 992px) {
            .slide h1 {
                font-size: 2.8rem;
            }
            
            .about-container,
            .contact-container {
                grid-template-columns: 1fr;
            }
            
            .about-img {
                height: 400px;
                max-width: 600px;
                margin: 0 0 200px 0;
            }
            .about-features {
                margin-bottom: 100px;
            }


            .contact-image {
                height: 400px;
                max-width: 600px;
                margin: 0 auto;
            }
            
            .about-content,
            .contact-info {
                text-align: center;
            }
            
            .about-content h2::after,
            .contact-info h3::after {
                left: 50%;
                transform: translateX(-50%);
            }
            
            .feature-item {
                justify-content: center;
            }
        }
        
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: white;
                flex-direction: column;
                padding: 2rem;
                box-shadow: 0 10px 20px rgba(0,0,0,0.1);
            }
            
            .nav-links.active {
                display: flex;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            .slide h1 {
                font-size: 2.2rem;
            }
            
            .slide p {
                font-size: 1.1rem;
            }
            
            .section-title h2 {
                font-size: 2.2rem;
            }
            
            .logo-top {
                font-size: 1.2rem;
            }
            
            .logo-bottom {
                font-size: 0.7rem;
            }
            .logo-img{
                width: 80px;
                height: 80px;
            }
            .about-content {
            transform: matrix3d(1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1) !important;
            opacity: 1;
            transition: all 0.8s ease;
        }
        }
        
        @media (max-width: 576px) {
            .slide h1 {
                font-size: 1.8rem;
            }
            
            .section-title h2 {
                font-size: 1.8rem;
            }
            
            .btn {
                padding: 0.8rem 1.5rem;
                font-size: 0.9rem;
            }
            
            .product-grid {
                grid-template-columns: 1fr;
            }
            
            .logo {
                height: 55px;
            }
        }