feat(a11y,ux): implement comprehensive accessibility and UX optimizations
Phase 1: Accessibility Optimizations
- Add proper label associations and ARIA attributes to form inputs
- Implement aria-required, aria-invalid, aria-describedby for better form accessibility
- Add role='alert' for error messages
- Enhance keyboard navigation with aria-expanded, aria-controls
- Add aria-label for mobile menu button
- Implement aria-current for active navigation items
- Add semantic HTML with aria-labelledby for sections
Phase 2: UX Optimizations
- Create loading skeleton components for better loading states
- Add FormSkeleton, SectionSkeleton, and LoadingSkeleton components
- Prepare for lazy loading implementation
Files modified:
- src/components/ui/input.tsx: Enhanced with ARIA attributes
- src/components/ui/textarea.tsx: Enhanced with ARIA attributes
- src/components/layout/header.tsx: Added navigation ARIA labels
- src/components/sections/hero-section.tsx: Added section labels
- src/components/sections/services-section.tsx: Added section labels
- src/components/ui/loading-skeleton.tsx: New loading state components
Impact:
- WCAG 2.1 AA compliance improvements
- Better screen reader support
- Enhanced keyboard navigation
- Improved user feedback during loading
张翔
016b7cfb91