:root {
            --primary: #2563eb;        /* Bleu confiance */
            --primary-light: #3b82f6;
            --secondary: #10b981;      /* Vert réussite */
            --accent: #f59e0b;         /* Orange appel action */
            --light: #f8fafc;
            --dark: #1e293b;
            --gray: #64748b;
            --light-gray: #e2e8f0;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            --radius: 12px;
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

        h1, h2, h3, h4 {
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 1rem;
        }

        h1 {
            font-size: 3.5rem;
        }

        h2 {
            font-size: 2.5rem;
            text-align: center;
            margin-bottom: 3rem;
            position: relative;
        }

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

        h3 {
            font-size: 1.8rem;
        }

        p {
            margin-bottom: 1.5rem;
            color: var(--gray);
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        section {
            padding: 80px 0;
        }

        .btn {
            display: inline-block;
            padding: 16px 32px;
            border-radius: var(--radius);
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
            cursor: pointer;
            border: none;
            font-size: 1.1rem;
            text-align: center;
        }

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

        .btn-primary:hover {
            background-color: var(--primary-light);
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }

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

        .btn-secondary:hover {
            background-color: #0da271;
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }

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

        .btn-accent:hover {
            background-color: #0da271;
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }

        /* Header & Navigation */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            z-index: 1000;
            padding: 15px 0;
        }

        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            display: flex;
            align-items: center;
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            text-decoration: none;
        }

        .logo i {
            margin-right: 10px;
            color: var(--dark);
        }

        .nav-links {
            display: flex;
            list-style: none;
        }

        .nav-links li {
            margin-left: 30px;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 500;
            transition: var(--transition);
        }

        .nav-links a:hover {
            background-color: #0da271;
            color: white;          
            transform: translateY(-3px);
            box-shadow: var(--shadow);
            
        }

        .mobile-menu-btn {
            display: none;
            font-size: 1.5rem;
            background: none;
            border: none;
            color: var(--dark);
            cursor: pointer;
        }

        /* Hero Section */
        .hero {
            padding-top: 150px;
            background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero h1 {
            margin-bottom: 1.5rem;
            color: var(--dark);
        }

        .hero p {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto 2.5rem;
            color: var(--gray);
        }

        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 50px;
        }

        .hero-image {
            max-width: 100%;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            margin-top: 40px;
        }

        /* Avantages Section */
        .comparison {
            background-color: white;
        }

        .comparison-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
            margin-top: 40px;
        }

        .comparison-card {
            background: white;
            border-radius: var(--radius);
            padding: 30px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border-top: 5px solid;
        }

        .comparison-card:hover {
            transform: translateY(-10px);
        }

        .windows-card {
            border-color: #0078d4;
        }

        .linux-card {
            border-color: var(--secondary);
        }

        .card-header {
            display: flex;
            align-items: center;
            margin-bottom: 20px;
        }

        .card-header i {
            font-size: 2.5rem;
            margin-right: 15px;
        }

        .windows-card .card-header i {
            color: #0078d4;
        }

        .linux-card .card-header i {
            color: var(--secondary);
        }

        .advantage-list {
            list-style: none;
        }

        .advantage-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--light-gray);
            display: flex;
            align-items: center;
        }

        .advantage-list li:last-child {
            border-bottom: none;
        }

        .advantage-list li i {
            margin-right: 10px;
        }

        .windows-card .advantage-list li i {
            color: #ef4444;
        }

        .linux-card .advantage-list li i {
            color: var(--secondary);
        }

        /* Tarifs Section */
        .prix {
            background-color: #f0f9ff;
        }

        .prix-toggle {
            display: flex;
            justify-content: center;
            margin-bottom: 50px;
            background: var(--light-gray);
            border-radius: 50px;
            padding: 5px;
            max-width: 400px;
            margin-left: auto;
            margin-right: auto;
        }

        .toggle-btn {
            padding: 12px 30px;
            border-radius: 50px;
            background: transparent;
            border: none;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            width: 50%;
        }


        .toggle-btn.active {
            background: white;
            box-shadow: var(--shadow);
        }

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

        .prix-card {
            background: white;
            border-radius: var(--radius);
            padding: 40px 30px;
            box-shadow: var(--shadow);
            text-align: center;
            position: relative;
            transition: var(--transition);
        }

        .prix-card:hover {
            transform: translateY(-10px);
        }

        .prix-card.popular {
            border: 2px solid var(--secondary);
            transform: scale(1.05);
        }

        .prix-card.popular:hover {
            transform: scale(1.05) translateY(-10px);
        }

        .popular-badge {
            position: absolute;
            top: -15px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--secondary);
            color: white;
            padding: 8px 20px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.9rem;
        }

        .prix-card h3 {
            margin-bottom: 20px;
        }

        .price {
            font-size: 3rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .price span {
            font-size: 1rem;
            color: var(--gray);
        }

        .prix-features {
            list-style: none;
            margin-bottom: 30px;
            text-align: left;
        }

        .prix-features li {
            padding: 10px 0;
            border-bottom: 1px solid var(--light-gray);
            display: flex;
            align-items: center;
        }

        .prix-features li:last-child {
            border-bottom: none;
        }

        .prix-features li i {
            color: var(--secondary);
            margin-right: 10px;
        }

        /* FAQ Section */
        .faq {
            background-color: white;
        }

        .faq-container {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            margin-bottom: 20px;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .faq-question {
            padding: 20px;
            background: var(--light);
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }

        .faq-answer.active {
            padding: 20px;
            max-height: 500px;
        }

        /* Témoignages */
        .testimonials {
            background-color: #f0f9ff;
        }

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

        .testimonial-card {
            background: white;
            border-radius: var(--radius);
            padding: 30px;
            box-shadow: var(--shadow);
        }

        .testimonial-text {
            font-style: italic;
            margin-bottom: 20px;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
        }

        .testimonial-author img {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            object-fit: cover;
            margin-right: 15px;
        }

        /* Contact Section */
        .contact {
            background-color: white;
            text-align: center;
        }

        .contact-info {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
            margin-top: 40px;
        }

        .contact-item {
            background: var(--light);
            padding: 30px;
            border-radius: var(--radius);
            min-width: 250px;
            box-shadow: var(--shadow);
        }

        .contact-item i {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .contact-item h3 {
            margin-bottom: 15px;
        }

        .reveal-btn {
            margin-top: 15px;
            padding: 10px 20px;
            background: var(--primary);
            color: white;
            border: none;
            border-radius: var(--radius);
            cursor: pointer;
            transition: var(--transition);
        }

        .reveal-btn:hover {
            background: var(--primary-light);
        }

        .contact-reveal {
            margin-top: 15px;
            font-weight: 600;
            color: var(--secondary);
            word-break: break-all;
        }

        /* Footer */
        footer {
            background-color: 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-col h3 {
            color: white;
            margin-bottom: 25px;
            font-size: 1.5rem;
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 15px;
        }

        .footer-links a {
            color: #cbd5e1;
            text-decoration: none;
            transition: var(--transition);
        }

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

        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #334155;
            color: #94a3b8;
            font-size: 0.9rem;
        }

            .location-badge {
            display: inline-flex;
            align-items: center;
            background-color: var(--light);
            padding: 10px 20px;
            border-radius: 50px;
            margin-top: 5px;
            box-shadow: var(--shadow);
        }

        .location-badge i {
            color: var(--primary);
            margin-right: 8px;
        }

        /* Responsive */
        @media (max-width: 992px) {
            h1 {
                font-size: 2.8rem;
            }
            h2 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: white;
                flex-direction: column;
                padding: 20px;
                box-shadow: 0 10px 15px rgba(0,0,0,0.1);
            }
            .nav-links.active {
                display: flex;
            }
            .nav-links li {
                margin: 10px 0;
            }
            .mobile-menu-btn {
                display: block;
            }
            .hero-btns {
                flex-direction: column;
                align-items: center;
            }
            .hero-btns .btn {
                width: 100%;
                max-width: 300px;
                margin-bottom: 15px;
            }
            .prix-card.popular {
                transform: none;
            }
            .prix-card.popular:hover {
                transform: translateY(-10px);
            }
        }

        @media (max-width: 576px) {
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            section {
                padding: 60px 0;
            }
        }