/* --- Variables CSS --- */
        :root {
            --primary-color: #8a1538; /* Rouge bordeaux */
            --secondary-color: #3498db; /* Bleu */
            --accent-color: #8a1538; /* Rouge bordeaux */
            --light-gray: #f4f6f9;
            --dark-gray: #555;
            --text-color: #333;
                       --openwebui-color: #ff6b6b;
            --main-color: #8a1538;

        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            line-height: 1.6;
            color: var(--text-color);
            background-color: #ffffff;
        }

        .btn-header {                                                           
            padding: 10px 20px;
            background: var(--accent-color);
            color: white;
            text-decoration: none;
            border-radius: 8px;
            font-weight: 600;
            transition: all 0.3s ease;
        } 
        .btn-header:hover {
            background: #6d1129;
            color: white;
            transform: scale(1.05);
        }


           .hero-cta {
            display: inline-block;
            padding: 18px 40px;
            background: var(--accent-color);
            color: white;
            text-decoration: none;
            border-radius: 10px;
            font-size: 1.2rem;
            font-weight: 600;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(142, 68, 173, 0.3);
        }

                .hero-cta:hover {
            background: #7d3c98;
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(142, 68, 173, 0.4);
        }


        .container {
            width: 90%;
            max-width: 1100px;
            margin: 0 auto;
            padding: 20px 0;
        }

        h1, h2, h3 {
            color: var(--primary-color);
            font-weight: 600;
        }

        h1 { font-size: 2.8rem; margin-bottom: 1rem; }
        h2 { font-size: 2rem; margin-bottom: 2rem; }
        h3 { font-size: 1.4rem; margin-bottom: 1rem; }

        /* --- Header --- */
        .main-header {
            background-color: white;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

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

        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary-color);
            text-decoration: none;
            display: flex;
            align-items: center;
        }
        
        .logo-icon {
            width: 380px;
            height: 120px;
            margin-right: 0;
        }

        .logo-icon img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 30px;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--dark-gray);
            font-weight: 500;
            transition: color 0.3s ease;
        }

        .nav-links a.btn {
            color: white;
        }

        .nav-links a:hover {
            color: var(--primary-color);
        }

        .btn {
            display: inline-block;
            padding: 12px 25px;
            border-radius: 5px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
        }

        .btn-primary {
            background-color: var(--primary-color);
            color: white;
            box-shadow: 0 4px 10px rgba(138, 21, 56, 0.2);
        }

        .btn-primary:hover {
            background-color: #6d1129;
            transform: translateY(-2px);
            box-shadow: 0 6px 15px rgba(138, 21, 56, 0.3);
        }

        .btn-secondary {
            background-color: white;
            color: var(--primary-color);
            border: 2px solid var(--primary-color);
        }

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

        /* Menu Burger pour mobile */
        .burger-menu { 
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--primary-color);
        }

        /* --- Section Hero --- */
        .hero {
            background: linear-gradient(135deg, var(--light-gray) 0%, #e8eef5 100%);
            text-align: center;
            padding: 100px 0 80px 0;
        }

        .hero h1 {
            font-size: 3rem;
            margin-bottom: 20px;
            line-height: 1.2;
        }

        .hero p {
            font-size: 1.3rem;
            max-width: 750px;
            margin: 0 auto 40px auto;
            color: var(--dark-gray);
            line-height: 1.8;
        }

        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .hero .btn {
            padding: 15px 35px;
            font-size: 1.1rem;
        }

        /* --- Section Bénéfices --- */
        .benefits-section {
            padding: 80px 0;
            background: white;
        }

        .benefits-section h2 {
            text-align: center;
            margin-bottom: 60px;
        }

        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 50px;
        }

        .benefit-card {
            text-align: center;
            padding: 40px 20px;
            background: var(--light-gray);
            border-radius: 10px;
            transition: all 0.3s ease;
        }

        .benefit-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }

        .benefit-icon {
            width: 80px;
            height: 80px;
            margin: 0 auto 25px;
            background: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(138, 21, 56, 0.15);
        }

        .benefit-icon svg {
            width: 40px;
            height: 40px;
            color: var(--accent-color);
        }

        .benefit-card h3 {
            color: var(--primary-color);
            margin-bottom: 15px;
        }

        .benefit-card p {
            color: var(--dark-gray);
            line-height: 1.7;
            font-size: 1.05rem;
        }

        /* --- Section Pour Qui --- */
        .audience-section {
            padding: 80px 0;
            background: var(--light-gray);
        }

        .audience-section h2 {
            text-align: center;
            margin-bottom: 60px;
        }

        .audience-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
        }

        .audience-card {
            background: white;
            padding: 40px 30px;
            border-radius: 10px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.08);
            transition: all 0.3s ease;
        }

        .audience-card:hover {
            box-shadow: 0 8px 25px rgba(0,0,0,0.15);
        }

        .audience-card h3 {
            color: var(--primary-color);
            margin-bottom: 15px;
            font-size: 1.5rem;
        }

        .audience-card p {
            color: var(--dark-gray);
            line-height: 1.7;
        }

        /* --- Section CTA --- */
        .cta-section {
            padding: 80px 0;
            /*background: linear-gradient(135deg, var(--primary-color), #6d1129);*/
            background: linear-gradient(135deg, var(--accent-color), #7d3c98);
            color: white;
            text-align: center;
        }

        .cta-section h2 {
            color: white;
            font-size: 2.5rem;
            margin-bottom: 20px;
        }

        .cta-section p {
            font-size: 1.2rem;
            margin-bottom: 40px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .btn-white {
            background: white;
            color: var(--primary-color);
            padding: 15px 40px;
            font-size: 1.1rem;
        }

        .btn-white:hover {
            background: #f8f9fa;
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(0,0,0,0.2);
        }

        .btn-outline {
            background: transparent;
            color: white;
            border: 2px solid white;
            padding: 15px 40px;
            font-size: 1.1rem;
        }

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

        /* --- Footer --- */
        footer {
            text-align: center;
            padding: 40px 0;
            background-color: #2c3e50;
            color: white;
        }

        footer p {
            margin: 10px 0;
        }

        footer a {
            color: white;
            text-decoration: none;
            margin: 0 15px;
            transition: color 0.3s ease;
        }

        footer a:hover {
            color: var(--secondary-color);
        }

        /* --- Responsive --- */
        @media (max-width: 768px) {
            .hero h1 { 
                font-size: 2.2rem; 
            }
            
            .hero p {
                font-size: 1.1rem;
            }

            .nav-links {
                display: none;
            }

            .burger-menu { 
                display: block;
            }

            .audience-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }

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

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

            .hero .btn,
            .btn-white,
            .btn-outline {
                width: 100%;
                max-width: 300px;
            }


     /* --- Features Section --- */
        .features-section {
            padding: 80px 0;
            background: white;
        }
        
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
            margin-top: 50px;
        }
        
        .feature-card {
            background: white;
            padding: 40px;
            border-radius: 12px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.08);
            transition: all 0.3s ease;
            border-top: 4px solid var(--accent-color);
        }
        
        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 25px rgba(0,0,0,0.15);
        }
        
        .feature-icon {
            font-size: 3rem;
            margin-bottom: 20px;
        }
                                                                                
        .feature-card h3 {
            margin-bottom: 15px;
            color: var(--primary-color);
        }
 
        .feature-card p {
            color: var(--dark-gray);
            line-height: 1.7;
        }



                /* --- Models Comparison Section --- */
        .models-comparison-section {
            padding: 80px 0;
            background: white;
        }

        .models-table-wrapper {
            overflow-x: auto;
            margin-top: 50px;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.1);
        }

        .models-table {
            width: 100%;
            border-collapse: collapse;
            background: white;
        }

        .models-table thead {
            background: linear-gradient(135deg, var(--primary-color), #34495e);
            color: white;
        }

        .models-table th {
            padding: 20px 15px;
            text-align: left;
            font-weight: 600;
            font-size: 1.05rem;
        }

        .models-table tbody tr {
            border-bottom: 1px solid #e9ecef;
            transition: background 0.2s ease;
        }

        .models-table tbody tr:hover {
            background: #f8f9fa;
        }

        .models-table td {
            padding: 18px 15px;
        }

        .model-name {
            font-weight: 600;
            color: var(--primary-color);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .model-icon {
            font-size: 1.5rem;
        }