        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            
            background: white;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
       
        /* Hero Section */
        .hero {
            padding: 120px 0 80px;
            text-align: center;
            color: white;
            position: relative;
            overflow: hidden;
            background: linear-gradient(135deg, #1e40af 0%, #059669 100%);
        }
        
        .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="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.05)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
            opacity: 0.3;
        }
        
        .hero-content {
            position: relative;
            z-index: 2;
        }
        
        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 1rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
            animation: fadeInUp 1s ease-out;
        }
        
        .hero p {
            font-size: 1.3rem;
            margin-bottom: 2rem;
            opacity: 0.9;
            animation: fadeInUp 1s ease-out 0.2s both;
        }
        
       .dual-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    margin-top: 30px;
}

.cta-button {
    display: inline-block;
    color: white;
    padding: 15px 40px;
    border: none;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: bold;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s;
    animation: fadeInUp 1s ease-out 0.4s both;
}

/* Bouton principal - Coral */
.cta-button.primary {
    background: linear-gradient(45deg, #FF7E5F, #FEB47B);
    box-shadow: 0 8px 25px rgba(255, 126, 95, 0.3);
}

.cta-button.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(255, 126, 95, 0.4);
}

/* Bouton secondaire - Jaune doré */
.cta-button.secondary {
    background: linear-gradient(45deg, #1bdb91, #0c9e44);
    box-shadow: 0 8px 25px rgba(255, 215, 0, 0.3);
}

.cta-button.secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(255, 215, 0, 0.4);
}

#bouton_bas {
            display: inline-block;
            background: linear-gradient(45deg, #ff6b6b, #ff8e8e);
            color: white;
            padding: 15px 40px;
            border: none;
            border-radius: 50px;
            font-size: 1.2rem;
            font-weight: bold;
            text-decoration: none;
            cursor: pointer;
            transition: all 0.3s;
            box-shadow: 0 8px 25px rgba(255, 107, 107, 0.3);
            animation: fadeInUp 1s ease-out 0.4s both;
        }
        
        #bouton_bas:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 35px rgba(255, 107, 107, 0.4);
        }
        
        /* Features Section */
        .features {
            background: white;
            padding: 80px 0;
        }
        
        .section-title {
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 3rem;
            color: #333;
            position: relative;
        }
        
        .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: linear-gradient(45deg, #667eea, #764ba2);
            border-radius: 2px;
        }
        
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 4rem;
        }
        
        .feature-card {
            background: white;
            padding: 2rem;
            border-radius: 15px;
            text-align: center;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            transition: all 0.3s;
            border: 2px solid transparent;
        }
        
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 50px rgba(0,0,0,0.15);
            border-color: #667eea;
        }
        
        .feature-icon {
            font-size: 3rem;
            color: #667eea;
            margin-bottom: 1rem;
        }
        
        .feature-card h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: #333;
        }
        
        .feature-card p {
            color: #666;
            line-height: 1.8;
        }
        
        /* AI Bot Section */
        .ai-section {
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            padding: 80px 0;
        }
        
        .ai-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }
        
        .ai-text h2 {
            font-size: 2.5rem;
            margin-bottom: 1.5rem;
            color: #333;
        }
        
        .ai-text p {
            font-size: 1.1rem;
            margin-bottom: 2rem;
            color: #666;
            line-height: 1.8;
        }
        
        .ai-examples {
            background: white;
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 15px 35px rgba(0,0,0,0.1);
        }
        
        .example {
            background: #f8f9ff;
            padding: 1.5rem;
            border-radius: 10px;
            margin-bottom: 1rem;
            border-right: 4px solid #667eea;
        }
        
        .example:last-child {
            margin-bottom: 0;
        }
        
        .example-title {
            font-weight: bold;
            color: #667eea;
            margin-bottom: 0.5rem;
        }
        
        .example-text {
            color: #555;
            font-style: italic;
        }
        
        /* Pricing Section */
        .pricing {
            background: white;
            padding: 80px 0;
            text-align: center;
        }
        
        .pricing-card {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 3rem;
            border-radius: 20px;
            max-width: 400px;
            margin: 0 auto;
            box-shadow: 0 20px 50px rgba(102, 126, 234, 0.3);
            transform: scale(1.05);
        }
        
        .price {
            font-size: 3rem;
            font-weight: bold;
            margin-bottom: 0.5rem;
        }
        
        .price-period {
            opacity: 0.8;
            margin-bottom: 2rem;
        }
        
        .pricing-features {
            list-style: none;
            margin-bottom: 2rem;
        }
        
        .pricing-features li {
            padding: 0.5rem 0;
            border-bottom: 1px solid rgba(255,255,255,0.2);
        }
        
        .pricing-features li:last-child {
            border-bottom: none;
        }
        
        .pricing-features i {
            color: #4CAF50;
            margin-left: 0.5rem;
        }
        
        /* Footer */
        footer {
            background: #333;
            color: white;
            text-align: center;
            padding: 2rem 0;
        }
        
        /* Animations */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        /* Responsive */
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2.5rem;
            }
            
            .hero p {
                font-size: 1.1rem;
            }
            
            .nav-links {
                display: none;
            }
            
            .ai-content {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            
            .features-grid {
                grid-template-columns: 1fr;
            }
        }

        /*ajouter nouveua*/
      