Executed a comprehensive mobile-first redesign of the entire application. This involved implementing responsive breakpoints, touch-friendly interface elements, and optimized layouts for various screen sizes. Special attention was given to performance on mobile devices, including implementing lazy loading, optimizing images, and ensuring smooth animations. The update included extensive testing across multiple devices and browsers, implementing gesture controls, and ensuring accessibility standards are met across all viewports. Mobile-specific features like PWA support and offline functionality were also added.