/* Enhanced Features Styles */

.enhanced-features {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 4rem 0;
    margin: 2rem 0;
}

.features-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.features-container h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 3rem;
    font-weight: 700;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.feature-card h3 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 1rem;
    font-weight: 600;
}

.feature-card p {
    color: #666;
    line-height: 1.6;
    font-size: 1rem;
}

/* AI Insights Demo */
.ai-insights-demo {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 0;
    margin: 2rem 0;
}

.demo-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
}

.demo-container h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    font-weight: 700;
}

.insights-preview {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 12px;
    margin: 2rem 0;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.insights-preview h3 {
    color: white;
    margin-bottom: 1rem;
}

.insights-preview ul {
    text-align: left;
    color: rgba(255, 255, 255, 0.9);
}

.insights-preview li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

/* Animated Diagram Demo */
.animated-diagram-demo {
    background: #f8f9fa;
    padding: 4rem 0;
    margin: 2rem 0;
}

.diagram-controls {
    margin-top: 2rem;
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Export Functions */
.export-functions {
    background: linear-gradient(135deg, #4ecdc4 0%, #44a08d 100%);
    color: white;
    padding: 4rem 0;
    margin: 2rem 0;
}

.export-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
}

.export-container h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    font-weight: 700;
}

.export-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.export-buttons .btn {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.export-buttons .btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* Enhanced Navigation */
.nav-left {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.btn-outline {
    background: transparent;
    border: 2px solid #667eea;
    color: #667eea;
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-outline:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

/* Responsive Design */
@media (max-width: 768px) {
    .features-container h2,
    .demo-container h2,
    .export-container h2 {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
    
    .export-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .export-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .nav-left {
        flex-direction: column;
        align-items: stretch;
    }
    
    .diagram-controls {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .enhanced-features,
    .ai-insights-demo,
    .animated-diagram-demo,
    .export-functions {
        padding: 2rem 0;
    }
    
    .features-container,
    .demo-container,
    .export-container {
        padding: 0 1rem;
    }
    
    .feature-card {
        padding: 1rem;
    }
    
    .insights-preview {
        padding: 1rem;
        min-height: 150px;
    }
}