Responsive Design Skill When to Use This Skill Use this skill when you need to: - Design and implement mobile-first responsive layouts - Create fluid, adaptive interfaces that work across all device sizes - Implement modern CSS layout techniques (Flexbox, Grid) - Optimize images and media for different screen sizes - Build accessible, touch-friendly interfaces - Implement responsive typography and spacing systems - Create container-based responsive components - Optimize performance for mobile devices - Ensure consistent user experience across devices - Implement responsive navigation patterns…