:root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --secondary: #f97316;
            --light: #f8fafc;
            --dark: #0f172a;
            --gray: #64748b;
            --light-gray: #e2e8f0;
            --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            --shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 15px 35px rgba(0, 0, 0, 0.15);
        }

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

        body {
            font-family: 'Open Sans', sans-serif;
            color: var(--dark);
            background: linear-gradient(135deg, #f0f9ff 0%, #ffffff 100%);
            background-attachment: fixed;
            overflow-x: hidden;
            line-height: 1.6;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header */
        header {
            padding: 20px 0;
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
        }

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

        .logo {
            font-family: 'Montserrat', sans-serif;
            font-weight: 800;
            font-size: 1.8rem;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-icon {
            transform: rotate(-15deg);
            animation: rotate 8s infinite linear;
        }

        @keyframes rotate {
            0% { transform: rotate(-15deg); }
            50% { transform: rotate(15deg); }
            100% { transform: rotate(-15deg); }
        }

        /* Hero Section */
        .hero {
            position: relative;
            height: 70vh;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: linear-gradient(120deg, #dbeafe 0%, #eff6ff 100%);
            margin-bottom: 80px;
            margin-top: 100px;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M0,0 L100,0 L100,100 Z" fill="rgba(37, 99, 235, 0.03)"/></svg>');
            background-size: cover;
            opacity: 0.8;
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 600px;
            padding: 40px;
            background: rgba(255, 255, 255, 0.85);
            border-radius: 20px;
            backdrop-filter: blur(10px);
            transform: translateY(50px);
            opacity: 0;
            animation: fadeInUp 1s forwards 0.3s;
            box-shadow: var(--shadow);
        }

        .hero h1 {
            font-family: 'Montserrat', sans-serif;
            font-weight: 800;
            font-size: 3.5rem;
            margin-bottom: 20px;
            line-height: 1.2;
            color: var(--dark);
            background: linear-gradient(45deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .hero p {
            font-size: 1.2rem;
            color: var(--gray);
            margin-bottom: 30px;
        }

        /* Sections */
        section {
            padding: 80px 0;
            opacity: 0;
            transform: translateY(30px);
            transition: var(--transition);
        }

        section.in-view {
            opacity: 1;
            transform: translateY(0);
        }

        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-header h2 {
            font-family: 'Montserrat', sans-serif;
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 20px;
            position: relative;
            display: inline-block;
        }

        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--secondary);
            border-radius: 2px;
        }

        .section-header p {
            max-width: 700px;
            margin: 0 auto;
            color: var(--gray);
            font-size: 1.1rem;
        }

        /* Description */
        .description-content {
            display: flex;
            gap: 50px;
            align-items: center;
        }

        .description-text {
            flex: 1;
        }

        .description-text h3 {
            font-family: 'Montserrat', sans-serif;
            font-size: 2rem;
            margin-bottom: 25px;
            color: var(--primary-dark);
        }

        .description-text p {
            font-size: 1.1rem;
            margin-bottom: 25px;
            color: var(--dark);
        }

        .description-image {
            flex: 1;
            perspective: 1000px;
            transform-style: preserve-3d;
        }

        .image-wrapper {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transform: rotateY(-5deg) rotateX(5deg);
            transition: var(--transition);
            height: 400px;
            background: linear-gradient(45deg, #3b82f6, #60a5fa);
        }

        .image-wrapper:hover {
            transform: rotateY(0) rotateX(0) translateY(-10px);
            box-shadow: var(--shadow-hover);
        }

        .image-placeholder {
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100%;
            color: white;
            font-size: 2rem;
        }

        .floating-icons {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
        }

        .floating-icon {
            position: absolute;
            font-size: 1.8rem;
            opacity: 0.7;
            color: rgba(255, 255, 255, 0.8);
            animation: float 8s infinite ease-in-out;
        }

        .floating-icon:nth-child(1) { top: 20%; left: 20%; animation-delay: 0s; }
        .floating-icon:nth-child(2) { top: 60%; left: 70%; animation-delay: -2s; }
        .floating-icon:nth-child(3) { top: 40%; left: 40%; animation-delay: -4s; }
        .floating-icon:nth-child(4) { top: 70%; left: 30%; animation-delay: -6s; }

        @keyframes float {
            0% { transform: translate(0, 0) rotate(0deg); }
            25% { transform: translate(10px, 10px) rotate(10deg); }
            50% { transform: translate(20px, -10px) rotate(-10deg); }
            75% { transform: translate(-10px, 15px) rotate(5deg); }
            100% { transform: translate(0, 0) rotate(0deg); }
        }

        /* Avantages */
        .avantages-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .avantage-card {
            background: white;
            border-radius: 20px;
            padding: 30px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
            transform: translateY(0);
        }

        .avantage-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 5px;
            height: 100%;
            background: var(--primary);
            transition: var(--transition);
        }

        .avantage-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--shadow-hover);
        }

        .avantage-card:hover::before {
            width: 100%;
            opacity: 0.1;
        }

        .avantage-icon {
            font-size: 2.5rem;
            margin-bottom: 20px;
            color: var(--primary);
            transition: var(--transition);
        }

        .avantage-card:hover .avantage-icon {
            transform: scale(1.2) rotate(5deg);
            color: var(--secondary);
        }

        .avantage-card h3 {
            font-family: 'Montserrat', sans-serif;
            font-size: 1.4rem;
            margin-bottom: 15px;
            position: relative;
            z-index: 2;
        }

        .avantage-card p {
            color: var(--gray);
            position: relative;
            z-index: 2;
        }

        /* Debouches */
        .metiers-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 25px;
        }

        .metier-card {
            background: white;
            border-radius: 20px;
            padding: 30px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            text-align: center;
            position: relative;
            overflow: hidden;
            transform: scale(1);
        }

        .metier-card:hover {
            transform: scale(1.05);
            box-shadow: var(--shadow-hover);
        }

        .metier-icon {
            width: 80px;
            height: 80px;
            background: var(--light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 2rem;
            color: var(--primary);
            transition: var(--transition);
        }

        .metier-card:hover .metier-icon {
            background: var(--primary);
            color: white;
            transform: rotateY(180deg);
        }

        .metier-card h3 {
            font-family: 'Montserrat', sans-serif;
            font-size: 1.3rem;
            margin-bottom: 10px;
        }

        .metier-card p {
            color: var(--gray);
            font-size: 0.95rem;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(120deg, var(--primary), var(--primary-dark));
            border-radius: 30px;
            padding: 60px;
            text-align: center;
            margin: 80px 0;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 70%);
            transform: rotate(30deg);
            animation: shine 8s infinite linear;
        }

        @keyframes shine {
            0% { transform: rotate(30deg) translateX(-100%); }
            100% { transform: rotate(30deg) translateX(100%); }
        }

        .cta-content {
            position: relative;
            z-index: 2;
        }

        .cta-content h2 {
            font-family: 'Montserrat', sans-serif;
            font-size: 2.5rem;
            color: white;
            margin-bottom: 20px;
        }

        .cta-content p {
            color: rgba(255, 255, 255, 0.9);
            max-width: 700px;
            margin: 0 auto 30px;
            font-size: 1.1rem;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .cta-button {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 18px 40px;
            border-radius: 50px;
            font-family: 'Montserrat', sans-serif;
            font-weight: 600;
            font-size: 1.1rem;
            text-decoration: none;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
            border: none;
            cursor: pointer;
            z-index: 1;
        }

        .cta-button.primary {
            background: white;
            color: var(--primary);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }

        .cta-button.secondary {
            background: transparent;
            color: white;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }

        .cta-button.primary:hover {
            transform: translateY(-5px) scale(1.05);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
        }

        .cta-button.secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: white;
            transform: translateY(-5px);
        }

        .cta-button::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
            transform: translateX(-100%);
            transition: transform 0.6s ease;
            z-index: -1;
        }

        .cta-button:hover::after {
            transform: translateX(100%);
        }

        /* Footer */
        footer {
            background: var(--dark);
            color: white;
            padding: 60px 0 30px;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-column h3 {
            font-family: 'Montserrat', sans-serif;
            font-size: 1.4rem;
            margin-bottom: 25px;
            position: relative;
            display: inline-block;
        }

        .footer-column h3::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            width: 40px;
            height: 3px;
            background: var(--secondary);
        }

        .footer-column p, .footer-column a {
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 15px;
            display: block;
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-column a:hover {
            color: white;
            transform: translateX(5px);
        }

        .social-links {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }

        .social-links a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            transition: var(--transition);
        }

        .social-links a:hover {
            background: var(--primary);
            transform: translateY(-5px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 30px;
            text-align: center;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
        }

        .footer-links {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-top: 15px;
            flex-wrap: wrap;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: white;
        }

        /* Construction Animation */
        .construction-container {
            position: relative;
            height: 150px;
            margin: 40px 0;
            overflow: hidden;
        }

        .construction-ground {
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 40px;
            background: #8B4513;
        }

        .tractor {
            position: absolute;
            bottom: 40px;
            left: 20%;
            font-size: 3.5rem;
            color: var(--secondary);
            animation: tractorMove 15s infinite linear;
        }

        @keyframes tractorMove {
            0% { left: -10%; }
            100% { left: 110%; }
        }

        .loader-arm {
            position: absolute;
            bottom: 70px;
            left: 50%;
            font-size: 2.5rem;
            color: var(--primary);
            transform-origin: bottom center;
            animation: loaderArm 4s infinite ease-in-out;
        }

        @keyframes loaderArm {
            0%, 100% { transform: translateX(-50%) rotate(-30deg); }
            50% { transform: translateX(-50%) rotate(30deg); }
        }

        /* Animations */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(50px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Responsive */
        @media (max-width: 992px) {
            .description-content {
                flex-direction: column;
            }
            
            .hero h1 {
                font-size: 2.8rem;
            }
        }

        @media (max-width: 768px) {
            .hero {
                height: auto;
                padding: 100px 0;
            }
            
            .hero h1 {
                font-size: 2.3rem;
            }
            
            .section-header h2 {
                font-size: 2rem;
            }
            
            .cta-section {
                padding: 40px 20px;
            }
            
            .cta-content h2 {
                font-size: 2rem;
            }
            
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
        }