:root {
            /* Primary Colors */
            --color-primary: #3b82f6;
            --color-primary-light: #93c5fd;
            --color-primary-dark: #1d4ed8;

            /* Secondary Colors */
            --color-secondary: #f9fafb;
            --color-secondary-light: #f3f4f6;
            --color-secondary-dark: #e5e7eb;

            /* Accent Colors */
            --color-accent: #3b82f6;
            --color-accent-light: #93c5fd;
            --color-accent-dark: #1d4ed8;

            /* Neutral Colors */
            --color-gray-50: #f9fafb;
            --color-gray-100: #f3f4f6;
            --color-gray-200: #e5e7eb;
            --color-gray-300: #d1d5db;
            --color-gray-400: #9ca3af;
            --color-gray-500: #6b7280;
            --color-gray-600: #4b5563;
            --color-gray-700: #374151;
            --color-gray-800: #1f2937;
            --color-gray-900: #f8f8f8;

            /* Text Colors */
            --color-text-primary: #111827;
            --color-text-secondary: #374151;
            --color-text-light: #f9fafb;

            /* Background Colors */
            --color-background: #ffffff;
            --color-background-light: #f9fafb;
            --color-background-dark: #f3f4f6;
            --color-background-section: #ffffff;

            /* Spacing */
            --spacing-xs: 0.25rem;
            --spacing-sm: 0.5rem;
            --spacing-md: 1rem;
            --spacing-lg: 1.5rem;
            --spacing-xl: 2rem;
            --spacing-2xl: 2.5rem;
            --spacing-3xl: 3rem;
            --spacing-4xl: 4rem;

            /* Border Radius */
            --border-radius-sm: 0.25rem;
            --border-radius-md: 0.5rem;
            --border-radius-lg: 0.75rem;
            --border-radius-xl: 1rem;
            --border-radius-2xl: 1.5rem;

            /* Shadows */
            --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);

            /* Typography */
            --font-family: 'Inter', sans-serif;
            --font-size-xs: 0.75rem;
            --font-size-sm: 0.875rem;
            --font-size-base: 1rem;
            --font-size-lg: 1.125rem;
            --font-size-xl: 1.25rem;
            --font-size-2xl: 1.5rem;
            --font-size-3xl: 1.875rem;
            --font-size-4xl: 2.25rem;
            --font-size-5xl: 3rem;

            /* Transitions */
            --transition-fast: 150ms ease-out;
            --transition-normal: 250ms ease-out;
            --transition-slow: 350ms ease-out;

            /* Layout */
            --container-width: 1200px;
            --header-height: 80px;
        }

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

        html {
            font-size: 16px;
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            font-size: var(--font-size-base);
            line-height: 1.5;
            color: var(--color-text-primary);
            background-color: var(--color-background-light);
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-primary-dark);
        }

        a:focus {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
            border-radius: var(--border-radius-sm);
        }

        ul {
            list-style: none;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        /* Container responsive */
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        @media (min-width: 640px) {
            .container {
                padding: 0 var(--spacing-lg);
            }
        }

        @media (min-width: 1024px) {
            .container {
                padding: 0 var(--spacing-xl);
            }
        }

        /* Styles pour les boutons */
        .btn-primary {
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
            color: white;
            box-shadow: var(--shadow-sm);
            transition: transform 0.3s ease;
            border-radius: 15px;
        }

        .btn-primary:hover {
            transform: scale(1.05);
        }

        .btn-primary-2 {
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
            color: white;
            box-shadow: var(--shadow-sm);
            transition: transform 0.3s ease;
            border-radius: 15px;
            height: 50px;
            width: 150px;
        }

        .btn-primary-2:hover {
            transform: scale(1.05);
        }

        .btn-secondary {
            background-color: var(--color-secondary);
            color: var(--color-text-primary);
            box-shadow: var(--shadow-sm);
            transition: transform 0.3s ease;
            border-radius: 15px;
        }

        .btn-secondary:hover {
            background: linear-gradient(90deg, var(--color-secondary), var(--color-secondary-dark));
            transform: scale(1.05);
            border-radius: 15px;
        }

        .header .btn-primary,
        .header .btn-secondary {
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
            color: white;
            transition: transform 0.3s ease;
        }

        .header .btn-primary:hover,
        .header .btn-secondary:hover {
            transform: scale(1.05);
        }

        /* Bouton "Commencer maintenant" */
        .btn-large {
            padding: var(--spacing-lg) var(--spacing-2xl);
            font-size: var(--font-size-lg);
            min-height: 52px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
            color: white;
            transition: transform 0.3s ease;
        }

        .btn-large:hover {
            transform: scale(1.04);
            color: white;
        }

        .btn-outline {
            border-radius: 15px;
        }

        /* Header */
        .header {
            background-color: white;
            box-shadow: var(--shadow-sm);
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            height: var(--header-height);
        }

        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 var(--spacing-md);
            height: 70px;
            background-color: white !important;
        }

        .header.scrolled {
            background-color: rgba(255, 255, 255, 1);
            box-shadow: var(--shadow-md);
        }

        .logo {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            font-weight: 700;
            font-size: var(--font-size-xl);
            transition: transform var(--transition-fast);
        }

        .logo:hover {
            transform: scale(1.02);
        }

        .logo img {
            height: 50px;
            width: 140px;
            object-fit: contain;
        }

        .main-nav {
            flex: 1;
            display: flex;
            justify-content: center;
        }

        .main-nav ul {
            display: flex;
            gap: var(--spacing-xl);
            align-items: center;
        }

        .main-nav a {
            color: var(--color-text-secondary);
            font-weight: 500;
            padding: var(--spacing-sm) var(--spacing-md);
            border-radius: var(--border-radius-md);
            transition: all var(--transition-fast);
            position: relative;
        }

        .main-nav a:hover {
            color: var(--color-primary);
            background: linear-gradient(90deg, rgba(59, 130, 246, 0.1), rgba(59, 130, 246, 0.2));
        }

        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
            transition: all var(--transition-fast);
            transform: translateX(-50%);
        }

        .main-nav a:hover::after {
            width: 80%;
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: var(--spacing-sm);
            border-radius: var(--border-radius-md);
            transition: background-color var(--transition-fast);
        }

        .menu-toggle:hover {
            background-color: var(--color-gray-100);
        }

        .menu-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--color-text-primary);
            margin: 5px 0;
            transition: all var(--transition-fast);
            border-radius: 1px;
        }

        /* Main content */
        main {
            margin-top: var(--header-height);
        }

        /* Hero section améliorée */
        .hero {
            padding: var(--spacing-4xl) 0;
            background: linear-gradient(135deg, var(--color-background) 0%, var(--color-background-light) 100%);
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23e5e7eb" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
            opacity: 0.3;
        }

        .hero .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-4xl);
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-content {
            animation: fadeInUp 0.8s ease-out;
        }

        .hero h1 {
            font-size: var(--font-size-5xl);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: var(--spacing-lg);
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero p {
            font-size: var(--font-size-xl);
            line-height: 1.6;
            color: var(--color-text-secondary);
            margin-bottom: var(--spacing-2xl);
            max-width: 90%;
        }

        .hero-buttons {
            display: flex;
            gap: var(--spacing-lg);
            flex-wrap: wrap;
        }

        .hero-image {
            position: relative;
            animation: fadeInRight 0.8s ease-out 0.2s both;
        }

        .taxi-image {
            border-radius: var(--border-radius-2xl);
            box-shadow: var(--shadow-xl);
            transition: transform var(--transition-slow);
        }

        .taxi-image:hover {
            transform: scale(1.02) rotate(1deg);
        }

        /* Sections améliorées */
        .features {
            padding: var(--spacing-4xl) 0;
            background-color: white;
        }

        .features h2 {
            text-align: center;
            font-size: var(--font-size-4xl);
            font-weight: 800;
            color: var(--color-text-primary);
            margin-bottom: var(--spacing-lg);
        }

        .features > .container > p {
            text-align: center;
            font-size: var(--font-size-lg);
            color: var(--color-text-secondary);
            margin-bottom: var(--spacing-3xl);
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Grille de fonctionnalités */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: var(--spacing-xl);
            margin-top: var(--spacing-3xl);
        }

        .feature-card {
            background-color: var(--color-background);
            border-radius: var(--border-radius-xl);
            padding: var(--spacing-2xl);
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-gray-100);
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
            transform: scaleX(0);
            transition: transform var(--transition-normal);
        }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(59, 130, 246, 0.2);
        }

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

        .feature-icon {
            display: flex;
            justify-content: center;
            align-items: center;
            width: 80px;
            height: 80px;
            margin: 0 auto var(--spacing-lg);
            background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(59, 130, 246, 0.2));
            border-radius: var(--border-radius-xl);
            color: var(--color-primary);
            transition: all var(--transition-normal);
        }

        .feature-card:hover .feature-icon {
            transform: scale(1.1) rotate(5deg);
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            color: var(--color-text-light);
        }

        .feature-card h3 {
            font-size: var(--font-size-xl);
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: var(--spacing-md);
        }

        .feature-card p {
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* Section "Comment ça marche" */
        .how-it-works {
            padding: var(--spacing-4xl) 0;
            background: linear-gradient(135deg, var(--color-background-light) 0%, var(--color-background) 100%);
        }

        .how-it-works h2 {
            text-align: center;
            font-size: var(--font-size-4xl);
            font-weight: 800;
            color: var(--color-text-primary);
            margin-bottom: var(--spacing-3xl);
        }

        .steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: var(--spacing-2xl);
            max-width: 1000px;
            margin: 0 auto;
        }

        .step {
            text-align: center;
            position: relative;
            padding: var(--spacing-xl);
            background-color: var(--color-background);
            border-radius: var(--border-radius-xl);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
        }

        .step:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(59, 130, 246, 0.1));
        }

        .step-number {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            margin: 0 auto var(--spacing-lg);
            font-weight: 700;
            font-size: var(--font-size-xl);
            color: var(--color-text-light);
            box-shadow: var(--shadow-md);
        }

        .step h3 {
            font-size: var(--font-size-xl);
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: var(--spacing-md);
        }

        .step p {
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* Footer amélioré */
        .footer {
            background: linear-gradient(135deg, var(--color-gray-100) 0%, var(--color-gray-200) 100%);
            color: var(--color-text-primary);
            padding: var(--spacing-4xl) 0 var(--spacing-xl);
        }

        .footer-content {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: var(--spacing-3xl);
            margin-bottom: var(--spacing-2xl);
        }

        .footer-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: var(--spacing-2xl);
        }

        .footer-col h4 {
            font-size: var(--font-size-lg);
            font-weight: 700;
            margin-bottom: var(--spacing-lg);
            color: var(--color-text-primary);
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }

        .footer-col a {
            color: var(--color-gray-500);
            font-size: var(--font-size-base);
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--color-primary);
        }

        .footer-bottom {
            padding-top: var(--spacing-xl);
            border-top: 1px solid var(--color-gray-300);
            text-align: center;
            color: var(--color-gray-500);
            font-size: var(--font-size-sm);
        }

        .footer-bottom p {
            margin-bottom: var(--spacing-sm);
        }

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

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

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

        @keyframes pulse {
            0%, 100% {
                opacity: 0.3;
                transform: translate(-50%, -50%) scale(1);
            }
            50% {
                opacity: 0.1;
                transform: translate(-50%, -50%) scale(1.2);
            }
        }

        /* Responsive Design */
        @media (max-width: 1024px) {
            .hero .container {
                grid-template-columns: 1fr;
                gap: var(--spacing-2xl);
                text-align: center;
            }

            .hero h1 {
                font-size: var(--font-size-4xl);
            }

            .features, .how-it-works {
                padding: var(--spacing-3xl) 0;
            }

            .features h2, .how-it-works h2 {
                font-size: var(--font-size-3xl);
            }

            .features-grid, .steps {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }

            .footer-content {
                grid-template-columns: 1fr;
                gap: var(--spacing-2xl);
            }

            .footer-links {
                grid-template-columns: 1fr;
                gap: var(--spacing-xl);
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 70px;
            }

            .menu-toggle {
                display: block;
            }

            .main-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: var(--color-background);
                box-shadow: var(--shadow-lg);
                border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
                padding: var(--spacing-lg);
            }

            .main-nav.active {
                display: block;
                animation: fadeInUp 0.3s ease-out;
            }

            .main-nav ul {
                flex-direction: column;
                gap: var(--spacing-md);
            }

            .main-nav a {
                display: block;
                padding: var(--spacing-md);
                text-align: center;
                border-radius: var(--border-radius-md);
            }

            .hero {
                padding: var(--spacing-3xl) 0;
            }

            .hero h1 {
                font-size: var(--font-size-3xl);
            }

            .hero p {
                font-size: var(--font-size-lg);
            }

            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }

            .btn-large {
                width: 100%;
                max-width: 300px;
            }
        }

        @media (max-width: 480px) {
            .container {
                padding: 0 var(--spacing-md);
            }

            .hero h1 {
                font-size: var(--font-size-2xl);
            }

            .feature-card, .step {
                padding: var(--spacing-lg);
            }
        }

        /* États de focus améliorés pour l'accessibilité */
        .btn:focus-visible,
        input:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

        /* Amélioration du contraste pour les éléments interactifs */
        @media (prefers-reduced-motion: reduce) {
            * {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
        }