body {
            font-family: 'Exo 2', sans-serif;
        }
        
        /* Animation pour les sous-menus desktop */
        .dropdown-menu {
            display: none;
            position: absolute;
            background-color: white;
            min-width: 200px;
            box-shadow: 0 8px 16px rgba(0,0,0,0.1);
            z-index: 1000;
            border-radius: 0.5rem;
            padding: 0.5rem 0;
            animation: fadeIn 0.3s ease;
        }
        
        .dropdown:hover .dropdown-menu {
            display: block;
        }
        
        .dropdown-menu li {
            padding: 0.5rem 1rem;
            transition: background 0.3s;
        }
        
        .dropdown-menu li:hover {
            background-color: #f3f4f6;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(-10px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        /* Styles pour le menu mobile */
        .mobile-menu {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.5s ease;
        }
        
        .mobile-menu.active {
            max-height: 1000px;
        }
        
        .mobile-submenu {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            padding-left: 1.5rem;
        }
        
        .mobile-submenu.active {
            max-height: 500px;
        }
        
        .mobile-submenu-btn .chevron {
            transition: transform 0.3s ease;
        }
        
        .mobile-submenu-btn.active .chevron {
            transform: rotate(180deg);
        }
        
        /* Animation du bouton hamburger */
        .hamburger span {
            display: block;
            width: 25px;
            height: 3px;
            margin: 5px auto;
            background-color: #4b5563;
            transition: all 0.3s ease;
        }
        
        .hamburger.active span:nth-child(1) {
            transform: translateY(8px) rotate(45deg);
        }
        
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        
        .hamburger.active span:nth-child(3) {
            transform: translateY(-8px) rotate(-45deg);
        }
        
        /* STYle about complet */
        
        :root {
            --primary: #005792;
            --secondary: #00B4D8;
            --accent: #FF6B6B;
            --dark: #2D3748;
            --light: #F8F9FA;
            --gray: #718096;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Exo 2', sans-serif;
            color: var(--dark);
            line-height: 1.6;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            overflow-x: hidden;
        }
        
        h1, h2, h3, h4 {
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 1rem;
        }
        
        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        

        
        .cta-button {
            display: inline-block;
            background: var(--accent);
            color: white;
            padding: 15px 35px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(255, 107, 107, 0.4);
        }
        
        .cta-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(255, 107, 107, 0.6);
            background: #ff5252;
        }
        
        /* Section Styles */
        section {
            padding: 100px 0;
        }
        
        .section-header {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 70px;
        }
        
        .section-header h2 {
            font-size: 2.5rem;
            position: relative;
            display: inline-block;
        }
        
        .section-header h2::after {
            content: "";
            position: absolute;
            width: 80px;
            height: 4px;
            background: var(--secondary);
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            border-radius: 2px;
        }
        
        .section-header p {
            font-size: 1.2rem;
            color: var(--gray);
            margin-top: 20px;
        }
        
        /* Expertise Section */
        .expertise-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .expertise-card {
            background: white;
            border-radius: 15px;
            padding: 40px 30px;
            text-align: center;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        
        .expertise-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
        }
        
        .expertise-icon {
            width: 80px;
            height: 80px;
            background: rgba(0, 183, 216, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 25px;
            color: var(--secondary);
            font-size: 30px;
        }
        
        .expertise-card h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
        }
        
        /* Process Section */
        .process {
            background: var(--light);
        }
        
        .process-steps {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 30px;
            max-width: 1000px;
            margin: 0 auto;
        }
        
        .step {
            flex: 1;
            min-width: 250px;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }
        
        .step-number {
            width: 60px;
            height: 60px;
            background: var(--primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            font-weight: bold;
            margin-bottom: 20px;
        }
        
        .step h3 {
            margin-bottom: 15px;
        }
        
        /* Projects Section */
        .projects-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .project-card {
            background: white;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            transition: transform 0.3s ease;
        }
        
        .project-card:hover {
            transform: translateY(-10px);
        }
        
        .project-image {
            height: 200px;
            background: var(--secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 50px;
        }
        
        .project-content {
            padding: 25px;
        }
        
        .project-content h3 {
            color: var(--primary);
            margin-bottom: 10px;
        }
        
        /* Values Section */
        .values {
            background: linear-gradient(to right, var(--primary), #003f5c);
            color: white;
        }
        
        .values .section-header h2 {
            color: white;
        }
        
        .values .section-header p {
            color: rgba(255, 255, 255, 0.8);
        }
        
        .values-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }
        
        .value-card {
            background: rgba(255, 255, 255, 0.1);
            border-radius: 15px;
            padding: 30px;
            text-align: center;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.15);
        }
        
        .value-card i {
            font-size: 40px;
            color: var(--secondary);
            margin-bottom: 20px;
        }
        
        .value-card h3 {
            color: white;
        }
        
        /* Contact Section */
        .contact {
            background: white;
        }
        
        .contact-container {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
        }
        
        .contact-info {
            flex: 1;
            min-width: 300px;
        }
        
        .contact-info h3 {
            font-size: 1.8rem;
            margin-bottom: 25px;
            color: var(--primary);
        }
        
        .contact-details {
            margin-bottom: 30px;
        }
        
        .contact-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 20px;
        }
        
        .contact-item i {
            color: var(--secondary);
            font-size: 1.4rem;
            min-width: 40px;
            margin-top: 5px;
        }
        
        .contact-text {
            line-height: 1.7;
        }
        
        .contact-text h4 {
            font-size: 1.2rem;
            margin-bottom: 5px;
            color: var(--primary);
        }
        
        .contact-form {
            flex: 1;
            min-width: 300px;
            background: var(--light);
            padding: 40px;
            border-radius: 15px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
        }
        
        .form-group {
            margin-bottom: 25px;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
            color: var(--dark);
        }
        
        .form-control {
            width: 100%;
            padding: 14px 20px;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-family: 'Open Sans', sans-serif;
            font-size: 1rem;
            transition: var(--transition);
        }
        
        .form-control:focus {
            outline: none;
            border-color: var(--secondary);
            box-shadow: 0 0 0 3px rgba(0, 180, 216, 0.2);
        }
        
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        
        .submit-btn {
            background: var(--accent);
            color: white;
            border: none;
            padding: 15px 35px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1.1rem;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 15px rgba(255, 107, 107, 0.4);
            text-transform: uppercase;
            letter-spacing: 1px;
            width: 100%;
        }
        
        .submit-btn:hover {
            background: #ff5252;
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(255, 107, 107, 0.6);
        }