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

        :root {
            --primary-color: #FF8C00;
            --secondary-color: #FF6B00;
            --accent-color: #FFA500;
            --dark: #1a1a1a;
            --light: #f8fafc;
            --gray: #64748b;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', sans-serif;
            color: var(--dark);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* Offset pour la navigation fixe */
        section[id] {
            scroll-margin-top: 90px;
        }

        /* Navigation */
        nav {
            position: fixed;
            top: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            padding: 0.3rem 2%;
            display: flex;
            justify-content: flex-start;
            align-items: center;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            animation: slideDown 0.6s ease;
            gap: 2rem;
        }

        @keyframes slideDown {
            from {
                transform: translateY(-100%);
                opacity: 0;
            }
            to {
                transform: translateY(0);
                opacity: 1;
            }
        }

        .logo {
            height: 120px;
            display: flex;
            align-items: center;
            z-index: 1001;
        }
        
        .logo a {
            display: flex;
            align-items: center;
            height: 100%;
            cursor: pointer;
        }
        
        .logo img {
            height: 100%;
            width: auto;
        }

        .nav-links {
            display: flex;
            gap: 0.5rem;
            list-style: none;
            align-items: center;
            flex: 1;
        }
        
        .nav-links li:last-child {
            margin-left: auto;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 500;
            font-size: 1.1rem;
            transition: color 0.3s;
            position: relative;
            padding: 0.5rem 0.8rem;
        }

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

        .nav-links a:hover::after {
            width: 100%;
        }

        .nav-links a:hover {
            color: var(--secondary-color);
        }

        /* Menu Hamburger */
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            z-index: 1001;
            margin-left: auto;
        }

        .hamburger span {
            width: 25px;
            height: 3px;
            background: var(--dark);
            margin: 3px 0;
            transition: all 0.3s;
            border-radius: 3px;
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(8px, 8px);
            background: var(--secondary-color);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(7px, -7px);
            background: var(--secondary-color);
        }

        .cta-button {
            background: var(--secondary-color);
            color: white;
            padding: 0.8rem 1.8rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s;
            box-shadow: 0 4px 15px rgba(255, 107, 0, 0.3);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .cta-button:hover {
            background: var(--primary-color);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 140, 0, 0.4);
        }

        /* Hero Section */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
            padding: 150px 5% 50px;
            background: #1a1a1a;
        }

        .hero-video {
            position: absolute;
            top: 50%;
            left: 50%;
            min-width: 100%;
            min-height: 100%;
            width: auto;
            height: auto;
            transform: translateX(-50%) translateY(-50%);
            z-index: 1;
            object-fit: cover;
            opacity: 0.6;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(26, 26, 26, 0.7) 0%, rgba(45, 45, 45, 0.6) 50%, rgba(255, 140, 0, 0.5) 100%);
            z-index: 2;
        }

        .hero::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: 
                radial-gradient(circle at 20% 50%, rgba(255, 140, 0, 0.2) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(255, 107, 0, 0.2) 0%, transparent 50%);
            animation: pulse 8s ease-in-out infinite;
            z-index: 3;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.7; }
        }

        .hero-content {
            max-width: 1200px;
            text-align: center;
            position: relative;
            z-index: 10;
            animation: fadeInUp 1s ease;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .hero h1 {
            font-family: 'Poppins', sans-serif;
            font-size: clamp(2rem, 5vw, 5rem);
            color: white;
            margin-bottom: 1.5rem;
            line-height: 1.3;
            font-weight: 700;
            padding: 10px 0;
            letter-spacing: -0.5px;
        }

        .hero p {
            font-size: clamp(1rem, 2vw, 1.5rem);
            color: rgba(255, 255, 255, 0.9);
            max-width: 900px;
            margin: 0 auto 2.5rem;
            line-height: 1.8;
        }

        .hero-buttons {
            display: flex;
            gap: 1.5rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-primary, .btn-secondary {
            padding: clamp(0.8rem, 1.2vw, 1.2rem) clamp(1.8rem, 3vw, 3rem);
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: clamp(0.95rem, 1.2vw, 1.2rem);
            transition: all 0.3s;
            display: inline-block;
        }

        .btn-primary {
            background: white;
            color: var(--primary-color);
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.3);
        }

        .btn-secondary {
            background: transparent;
            color: white;
            border: 2px solid white;
        }

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

        /* Services Section */
        .services {
            padding: 8rem 5%;
            background: var(--light);
        }

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

        .section-title h2 {
            font-family: 'Poppins', sans-serif;
            font-size: clamp(2rem, 4vw, 3.5rem);
            color: var(--dark);
            margin-bottom: 1rem;
            font-weight: 700;
        }

        .section-title p {
            font-size: clamp(1rem, 1.5vw, 1.3rem);
            color: var(--gray);
            max-width: 700px;
            margin: 0 auto;
            font-family: 'Poppins', sans-serif;
            font-weight: 400;
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2.5rem;
            max-width: 1400px;
            margin: 0 auto;
        }

        .service-card {
            background: white;
            padding: 3rem 2rem;
            border-radius: 20px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.05);
            transition: all 0.4s ease;
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.4s ease;
        }

        .service-card:hover::before {
            transform: scaleX(1);
        }

        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 60px rgba(255, 107, 0, 0.2);
        }

        .service-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.5rem;
            font-size: 2.5rem;
        }

        .service-card h3 {
            font-family: 'Poppins', sans-serif;
            font-size: clamp(1.1rem, 1.5vw, 1.4rem);
            margin-bottom: 1rem;
            color: var(--dark);
            font-weight: 600;
            word-break: keep-all;
            hyphens: none;
            line-height: 1.5;
        }

        .service-card p {
            color: var(--gray);
            line-height: 1.8;
            font-size: clamp(0.95rem, 1.2vw, 1.15rem);
        }

        /* Process Section */
        .process {
            padding: 8rem 5%;
            background: white;
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            max-width: 1400px;
            margin: 0 auto;
        }

        .step {
            text-align: center;
            position: relative;
            animation: fadeIn 1s ease;
        }

        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }

        .step-number {
            width: 70px;
            height: 70px;
            background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: 'Syne', sans-serif;
            font-size: 1.8rem;
            font-weight: 700;
            margin: 0 auto 1.5rem;
            box-shadow: 0 10px 30px rgba(255, 107, 0, 0.3);
        }

        .step h3 {
            font-family: 'Poppins', sans-serif;
            font-size: 1.4rem;
            margin-bottom: 1rem;
            color: var(--dark);
            font-weight: 600;
        }

        .step p {
            color: var(--gray);
            line-height: 1.7;
        }

        /* Contact Section */
        .contact {
            padding: 8rem 5%;
            background: linear-gradient(135deg, #FF6B00 0%, #FF8C00 100%);
            color: white;
            text-align: center;
        }

        .contact h2 {
            font-family: 'Poppins', sans-serif;
            font-size: 3rem;
            margin-bottom: 1rem;
            font-weight: 700;
        }

        .contact p {
            font-size: 1.2rem;
            margin-bottom: 3rem;
            opacity: 0.9;
        }

        .contact-info {
            display: flex;
            justify-content: center;
            gap: 4rem;
            flex-wrap: wrap;
            max-width: 1000px;
            margin: 0 auto 3rem;
        }

        .contact-item {
            text-align: center;
        }

        .contact-item-icon {
            width: 60px;
            height: 60px;
            background: rgba(255,255,255,0.2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            font-size: 1.5rem;
        }

        .contact-item h3 {
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
            opacity: 0.8;
        }

        .contact-item p {
            font-size: 1.3rem;
            font-weight: 600;
            margin: 0;
        }

        /* Footer */
        footer {
            background: var(--dark);
            color: white;
            padding: 4rem 5% 2rem;
        }

        .footer-content {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 3rem;
        }

        .footer-section h3 {
            font-family: 'Poppins', sans-serif;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
            font-weight: 600;
        }

        .footer-section p, .footer-section a {
            color: rgba(255,255,255,0.7);
            text-decoration: none;
            display: block;
            margin-bottom: 0.8rem;
            transition: color 0.3s;
        }

        .footer-section a:hover {
            color: var(--accent-color);
        }

        .footer-bottom {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: rgba(255,255,255,0.5);
        }

        /* Responsive */
        /* Très grands écrans */
        @media (min-width: 1920px) {
            nav {
                gap: 3rem;
            }
            
            .nav-links {
                gap: 0.8rem;
            }
            
            .nav-links a {
                font-size: 1.3rem;
                padding: 0.5rem 1rem;
            }
            
            .cta-button {
                padding: 1rem 2.5rem;
                font-size: 1.2rem;
            }
            
            .logo {
                height: 135px;
            }
        }

        @media (min-width: 1440px) and (max-width: 1919px) {
            nav {
                gap: 2.5rem;
            }
            
            .nav-links {
                gap: 0.6rem;
            }
            
            .nav-links a {
                font-size: 1.2rem;
                padding: 0.5rem 0.9rem;
            }
            
            .cta-button {
                padding: 0.9rem 2.2rem;
                font-size: 1.1rem;
            }
            
            .logo {
                height: 128px;
            }
        }

        @media (max-width: 1024px) {
            nav {
                gap: 1.5rem;
            }
            
            .nav-links {
                gap: 0.3rem;
            }
            
            .nav-links a {
                font-size: 0.95rem;
                padding: 0.5rem 0.6rem;
            }
            
            .cta-button {
                padding: 0.7rem 1.5rem;
                font-size: 0.95rem;
            }
        }

        @media (max-width: 900px) {
            .hamburger {
                display: flex;
            }
            
            .nav-links li:last-child {
                margin-left: 0;
            }

            .nav-links {
                position: fixed;
                top: 0;
                right: -100%;
                height: 100vh;
                width: 70%;
                max-width: 300px;
                background: white;
                flex-direction: column;
                padding: 100px 30px 30px;
                gap: 2rem;
                transition: right 0.3s ease;
                box-shadow: -5px 0 15px rgba(0,0,0,0.1);
                align-items: flex-start;
            }

            /* Vidéo hero sur mobile - optionnelle */
            .hero-video {
                display: block; /* Garder la vidéo même sur mobile */
            }

            .hero::before {
                background: linear-gradient(135deg, rgba(26, 26, 26, 0.9) 0%, rgba(45, 45, 45, 0.85) 50%, rgba(255, 140, 0, 0.75) 100%);
            }

            .nav-links.active {
                right: 0;
            }

            .nav-links a:not(.cta-button) {
                font-size: 1.1rem;
                width: 100%;
                padding: 10px 0;
                background: none;
                color: var(--dark);
                box-shadow: none;
            }

            .nav-links .cta-button {
                width: 100%;
                text-align: center;
                padding: 1.8rem 2.5rem;
                font-size: 1.3rem;
                margin-top: 2rem;
                display: block;
                border-radius: 50px;
            }

            .logo {
                height: 98px;
            }

            nav {
                padding: 0.3rem 5%;
            }

            .hero {
                padding: 140px 20px 50px;
                min-height: 100vh;
            }

            .hero h1 {
                font-size: 2.5rem;
                padding: 10px 0;
                margin-top: 20px;
                line-height: 1.3;
            }

            .hero p {
                font-size: 1.1rem;
                padding: 0;
            }

            .hero-buttons {
                flex-direction: column;
                padding: 0;
                width: 100%;
            }

            .btn-primary, .btn-secondary {
                width: 100%;
            }

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

            .section-title p {
                padding: 0 20px;
            }

            .services-grid {
                grid-template-columns: 1fr;
                padding: 0 20px;
            }

            .process-steps {
                grid-template-columns: 1fr;
                padding: 0 20px;
            }

            .contact-info {
                flex-direction: column;
                gap: 2rem;
            }

            .footer-content {
                grid-template-columns: 1fr;
                text-align: center;
            }

            .services {
                padding: 4rem 5%;
            }

            .process {
                padding: 4rem 5%;
            }

            .contact {
                padding: 4rem 5%;
            }
        }

        @media (max-width: 480px) {
            .hero {
                padding: 130px 15px 40px;
            }

            .hero h1 {
                font-size: 1.8rem;
                margin-top: 10px;
                line-height: 1.3;
                padding: 10px 0;
            }

            .hero p {
                font-size: 1rem;
            }

            .section-title h2 {
                font-size: 1.8rem;
            }

            .btn-primary, .btn-secondary {
                padding: 0.8rem 1.5rem;
                font-size: 0.95rem;
            }
        }
