:root {
            --primary-color: #4a89dc;
            --primary-dark: #3a6bb0;
            --secondary-color: #f8f9fa;
            --text-color: #333;
            --text-light: #6c757d;
            --white: #ffffff;
            --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.12);
            --border-radius: 12px;
            --games-color: #FF9800;
            --francais-color: #4CAF50;
            --math-color: #2196F3;
            --qlm-color: #9C27B0;
        }

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

        body {
            font-family: 'Poppins', 'Montserrat', sans-serif;
            background-color: var(--secondary-color);
            color: var(--text-color);
            line-height: 1.6;
        }

        /* Header */
        .header {
            background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
            color: white;
            padding: 1rem 0;
            box-shadow: var(--shadow-md);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .header-container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.8rem;
            font-weight: 700;
            color: white;
            text-decoration: none;
        }

        .logo-icon {
            font-size: 2rem;
        }

        .nav-links {
            display: flex;
            gap: 1.5rem;
            align-items: center;
        }

        .nav-links a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.2s;
        }

        .nav-links a:hover {
            color: rgba(255, 255, 255, 0.8);
        }

        .btn {
            padding: 0.5rem 1rem;
            border-radius: 6px;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.2s;
        }

        .btn-primary {
            background-color: var(--primary-color);
            color: white;
            border: none;
        }

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

        /* Hero Section */
        .hero {
            background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
            color: white;
            padding: 4rem 0;
            text-align: center;
            margin-bottom: 2rem;
        }

        .hero-container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
        }

        .hero h1 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            font-weight: 700;
        }

        .hero p {
            font-size: 1.2rem;
            margin-bottom: 2rem;
            opacity: 0.9;
        }

        .hero-cta {
            display: inline-block;
            background-color: white;
            color: var(--primary-color);
            padding: 0.75rem 1.5rem;
            border-radius: 6px;
            font-weight: 600;
            text-decoration: none;
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .hero-cta:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        /* Jeux Éducatifs Section */
        .games-section {
            padding: 4rem 0;
            background-color: var(--secondary-color);
        }

        .games-container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
        }

        .games-header {
            text-align: center;
            margin-bottom: 3rem;
        }

        .games-header h4 {
            font-size: 2rem;
            color: var(--primary-dark);
            margin-bottom: 1rem;
            padding: 0.5rem 1rem;
            background-color: var(--games-color);
            border-radius: var(--border-radius);
            display: inline-block;
        }

        .games-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }

        .game-category {
            background: linear-gradient(135deg, var(--white), #f0f4ff);
            border-radius: var(--border-radius);
            padding: 1.5rem;
            box-shadow: var(--shadow-sm);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: 1px solid rgba(0, 0, 0, 0.08);
        }

        .game-category:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }

        .category-icon-container {
            text-align: center;
            margin-bottom: 1rem;
            padding-top: 0.5rem;
        }

        .category-icon {
            font-size: 2.5rem;
            color: var(--primary-color);
        }

        .category-francais .category-icon {
            color: var(--francais-color);
        }

        .category-math .category-icon {
            color: var(--math-color);
        }

        .category-qlm .category-icon {
            color: var(--qlm-color);
        }

        .category-header {
            margin-bottom: 1.5rem;
        }

        .category-title {
            font-size: 1.5rem;
            font-weight: 600;
            margin: 0;
            color: white;
            padding: 0.75rem;
            border-radius: var(--border-radius);
        }

        .category-francais .category-title {
            background: linear-gradient(135deg, var(--francais-color), #388E3C);
        }

        .category-math .category-title {
            background: linear-gradient(135deg, var(--math-color), #1976D2);
        }

        .category-qlm .category-title {
            background: linear-gradient(135deg, var(--qlm-color), #7B1FA2);
        }

        .games-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .game-item {
            margin-bottom: 0.75rem;
            background-color: var(--white);
            border-radius: 6px;
            padding: 0.75rem 1rem;
            transition: background-color 0.2s, transform 0.2s;
            border-left: 3px solid var(--primary-color);
        }

        .game-item:hover {
            background-color: #f0f4ff;
            transform: translateX(5px);
        }

        .game-link {
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-color);
            text-decoration: none;
            font-weight: 500;
        }

        .game-link:hover {
            color: var(--primary-color);
        }

        /* Footer */
        .footer {
            background-color: var(--primary-dark);
            color: white;
            padding: 2rem 0;
            text-align: center;
        }

        .footer-container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
        }

        .footer-links {
            display: flex;
            justify-content: center;
            gap: 2rem;
            margin-bottom: 1rem;
        }

        .footer-links a {
            color: white;
            text-decoration: none;
            transition: color 0.2s;
        }

        .footer-links a:hover {
            color: rgba(255, 255, 255, 0.8);
        }

        .copyright {
            font-size: 0.9rem;
            opacity: 0.8;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                gap: 1rem;
            }

            .nav-links {
                flex-wrap: wrap;
                justify-content: center;
            }

            .hero h1 {
                font-size: 2rem;
            }

            .games-grid {
                grid-template-columns: 1fr;
            }
        }