/* --- VARIABLES & RESET (Identique Index) --- */
        :root {
            --primary-color: #2563EB; /* Bleu Tech */
            --primary-dark: #1E40AF;
            --secondary-color: #0F172A; /* Bleu Nuit très sombre */
            --accent-color: #F59E0B; /* Orange/Jaune pour l'action */
            --text-color: #334155;
            --light-bg: #F8FAFC;
            --white: #FFFFFF;
            --success-color: #10B981;
            --transition: all 0.3s ease;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
        }

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

        html {
            scroll-behavior: smooth;
        }

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

        h1, h2, h3, h4 {
            font-family: 'Poppins', sans-serif;
            color: var(--secondary-color);
            font-weight: 700;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        ul {
            list-style: none;
        }

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

        /* --- NAVIGATION --- */
        .navbar {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            position: fixed;
            width: 100%; top: 0; z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            transition: var(--transition);
        }

        .navbar .container { display: flex; justify-content: space-between; align-items: center; height: 80px; }
        .logo { font-size: 1.5rem; font-weight: 700; display: flex; align-items: center; gap: 10px; color: var(--secondary-color); }
        .logo-highlight { color: var(--primary-color); }
        .nav-menu { display: flex; gap: 20px; align-items: center; } /* Gap réduit pour faire place au bouton */
        
        .nav-menu a {
            font-weight: 500; font-size: 0.95rem; color: var(--secondary-color);
            transition: var(--transition); position: relative;
        }
        .nav-menu a:hover, .nav-menu a.active { color: var(--primary-color); }
        
        /* Soulignement au survol (sauf boutons) */
        .nav-menu a:not(.btn-nav)::after {
            content: ''; position: absolute; width: 0; height: 2px; bottom: -5px; left: 0;
            background-color: var(--primary-color); transition: var(--transition);
        }
        .nav-menu a:not(.btn-nav):hover::after { width: 100%; }

        /*efgrergerge*/

        .btn-contact {
            background-color: var(--primary-color);
            color: white !important;
            padding: 10px 20px;
            border-radius: 50px;
            box-shadow: 0 4px 15px rgba(37, 99, 235, 0.2);
        }

        .btn-contact:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
            color: white !important;
        }
        
        .btn-contact::after { display: none !important; }

        .btn-nav {
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            transition: var(--transition);
            display: inline-flex; align-items: center; gap: 8px;
        }

        .btn-login-nav {
            background-color: var(--secondary-color); color: white !important;
        }
        .btn-login-nav:hover { background-color: #334155; transform: translateY(-2px); }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: var(--secondary-color);
            cursor: pointer;
        }

        /* --- STYLES SPÉCIFIQUES SERVICES --- */
        .services-header {
            padding: 140px 0 60px; /* Ajusté pour la navbar fixe */
            background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
            color: white;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .services-header::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background: url('https://www.transparenttextures.com/patterns/cubes.png');
            opacity: 0.1;
        }

        .services-intro {
            position: relative;
            z-index: 1;
        }
        
        .services-intro h1 {
            color: white;
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
        }
        
        .services-intro p {
            font-size: 1.2rem;
            opacity: 0.9;
            max-width: 700px;
            margin: 0 auto 2.5rem;
            color: #e2e8f0;
        }
        
        /* Onglets */
        .services-tabs {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 15px;
            margin-top: 2rem;
        }
        
        .service-tab {
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: white;
            padding: 12px 25px;
            border-radius: 50px;
            cursor: pointer;
            font-weight: 500;
            font-family: 'Poppins', sans-serif;
            transition: var(--transition);
            backdrop-filter: blur(5px);
        }
        
        .service-tab:hover,
        .service-tab.active {
            background: var(--accent-color);
            border-color: var(--accent-color);
            color: var(--secondary-color);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }
        
        /* Détails Service */
        .service-detail-section {
            padding: 80px 0;
            background-color: white;
            min-height: 600px; /* Évite le saut de page */
        }
        
        .service-detail {
            display: none;
            animation: fadeIn 0.5s ease;
        }
        
        .service-detail.active {
            display: block;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .service-detail-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            margin-bottom: 60px;
        }
        
        .service-content h2 {
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 1rem;
            font-size: 2rem;
        }
        
        .service-icon-large {
            font-size: 2.5rem;
            color: var(--accent-color);
            background: rgba(245, 158, 11, 0.1);
            width: 70px;
            height: 70px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .service-problem {
            background: #FFF1F2;
            border-left: 4px solid #E11D48;
            padding: 15px;
            margin-bottom: 25px;
            border-radius: 0 8px 8px 0;
            font-style: italic;
            color: #881337;
        }
        
        .service-features {
            margin: 2rem 0;
            background: var(--light-bg);
            padding: 25px;
            border-radius: 15px;
        }
        
        .service-features h3 {
            color: var(--secondary-color);
            margin-bottom: 1rem;
            font-size: 1.2rem;
        }
        
        .feature-list li {
            padding: 0.6rem 0;
            display: flex;
            align-items: flex-start;
            gap: 12px;
            color: var(--text-color);
        }
        
        .feature-list i {
            color: var(--success-color);
            margin-top: 4px;
        }
        
        .service-image img {
            width: 100%;
            border-radius: 20px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
            transition: var(--transition);
        }
        
        .service-image:hover img {
            transform: scale(1.02);
        }
        
        /* Processus */
        .service-process {
            background-color: var(--light-bg);
            padding: 60px;
            border-radius: 20px;
            margin-top: 40px;
        }
        
        .service-process h3 {
            text-align: center;
            color: var(--secondary-color);
            margin-bottom: 40px;
            font-size: 1.8rem;
        }
        
        .process-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 30px;
        }
        
        .process-step {
            text-align: center;
            padding: 30px 20px;
            background: white;
            border-radius: 15px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
        }

        .process-step:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        
        .step-number {
            width: 50px;
            height: 50px;
            background: var(--primary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-weight: 700;
            font-size: 1.2rem;
            box-shadow: 0 4px 10px rgba(37, 99, 235, 0.3);
        }
        
        .service-cta {
            text-align: center;
            margin-top: 60px;
            padding: 60px;
            background: linear-gradient(135deg, var(--secondary-color) 0%, #1e293b 100%);
            color: white;
            border-radius: 20px;
            box-shadow: 0 20px 50px rgba(15, 23, 42, 0.2);
            position: relative;
            overflow: hidden;
        }

        .service-cta::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -50%;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle, rgba(37, 99, 235, 0.2) 0%, transparent 70%);
            z-index: 1;
        }

        .service-cta > * {
            position: relative;
            z-index: 2;
        }
        
        .service-cta h3 {
            color: white;
            margin-bottom: 1.5rem;
            font-size: 1.8rem;
        }

        .service-cta p {
            color: #cbd5e1;
            margin-bottom: 2rem;
            font-size: 1.1rem;
        }
        
        /* Grid Tous les Services */
        .all-services-section {
            padding: 80px 0;
            background-color: var(--light-bg);
        }

        .section-title {
            text-align: center;
            font-size: 2.2rem;
            margin-bottom: 10px;
            position: relative;
            display: inline-block;
            left: 50%;
            transform: translateX(-50%);
        }

        .section-title::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: var(--primary-color);
            margin: 10px auto 0;
            border-radius: 2px;
        }

        .section-subtitle {
            text-align: center;
            color: #64748b;
            margin-bottom: 60px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .all-services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .all-service-card {
            background: white;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid #e2e8f0;
        }
        
        .all-service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
            border-color: transparent;
        }
        
        .service-card-header {
            background: var(--primary-color);
            color: white;
            padding: 30px;
            text-align: center;
        }
        
        .service-card-header i {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            opacity: 0.9;
        }
        
        .service-card-body {
            padding: 30px;
        }
        
        .service-card-body ul {
            margin: 1.5rem 0;
        }
        
        .service-card-body li {
            padding: 0.5rem 0;
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-color);
        }
        
        .service-card-body i {
            color: var(--success-color);
        }
        
        .service-price {
            text-align: center;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary-color);
            margin: 1.5rem 0 1rem;
        }
        
        .service-note {
            font-size: 0.85rem;
            color: #94a3b8;
            text-align: center;
            margin-top: 15px;
            font-style: italic;
        }

        /* --- BUTTONS --- */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
            gap: 10px;
            font-family: 'Poppins', sans-serif;
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background-color: var(--primary-color);
            color: white;
            box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
        }

        .btn-primary:hover {
            background-color: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
        }
        
        .btn-secondary {
            background-color: transparent;
            color: var(--primary-color);
            border: 2px solid var(--primary-color);
        }

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

        .btn-large {
            padding: 15px 40px;
            font-size: 1.1rem;
        }
        
        .btn-outline {
            background: transparent;
            border: 2px solid white;
            color: white;
        }
        
        .btn-outline:hover {
            background: white;
            color: var(--secondary-color);
        }

        /* --- CTA --- */
        .cta {
            padding: 80px 0;
            background: linear-gradient(rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.95)), url('https://images.unsplash.com/photo-1522071820081-009f0129c71c?ixlib=rb-4.0.3&auto=format&fit=crop&w=1600&q=80');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            color: white;
            text-align: center;
        }

        .cta-content h2 { color: white; margin-bottom: 15px; }
        .cta-content p { font-size: 1.2rem; margin-bottom: 30px; opacity: 0.9; }
        .cta-buttons { display: flex; justify-content: center; gap: 20px; flex-wrap: wrap; }

        /* --- FOOTER --- */
        .footer {
            background-color: var(--secondary-color);
            color: #cbd5e1;
            padding: 80px 0 20px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 60px;
        }

        .footer-col h3 { color: white; margin-bottom: 25px; font-size: 1.3rem; }
        
        .social-links { display: flex; gap: 15px; margin-top: 20px; }
        .social-links a {
            width: 40px; height: 40px; background: rgba(255,255,255,0.1);
            border-radius: 50%; display: flex; align-items: center; justify-content: center;
            transition: var(--transition);
        }
        .social-links a:hover { background: var(--primary-color); color: white; transform: translateY(-3px); }

        .footer-col ul li { margin-bottom: 12px; }
        .footer-col ul li a:hover { color: var(--primary-color); padding-left: 5px; transition: var(--transition); }

        .contact-info li { display: flex; align-items: flex-start; gap: 10px; }
        .contact-info i { margin-top: 5px; color: var(--accent-color); }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 30px;
            display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px; font-size: 0.9rem;
        }
        .footer-links { display: flex; gap: 20px; }

        /* --- RESPONSIVE --- */
        @media (max-width: 991px) {
            .service-detail-grid { grid-template-columns: 1fr; gap: 40px; }
            .service-image { order: -1; } /* Image au dessus sur mobile */
            .services-intro h1 { font-size: 2.2rem; }
        }

        @media (max-width: 768px) {
            .menu-toggle { display: block; }
            .nav-menu {
                position: fixed; top: 80px; left: -100%; width: 100%; height: calc(100vh - 80px);
                background: white; flex-direction: column; padding: 40px 20px; gap: 20px;
                transition: 0.4s ease-in-out; box-shadow: 0 10px 15px rgba(0,0,0,0.05);
            }
            .nav-menu.active { left: 0; }
            .nav-menu li { width: 100%; text-align: center; }
            .btn-contact { display: block; width: 100%; }
            
            .services-tabs { flex-direction: column; width: 100%; }
            .service-tab { width: 100%; text-align: center; }
            
            .process-steps { grid-template-columns: 1fr; }
            
            .footer-bottom { flex-direction: column; text-align: center; }
        }

        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.8s ease;
        }
        .reveal.active { opacity: 1; transform: translateY(0); }