Fix Safari/iPhone performance issues - remove 300ms click delay

- Added touch-action: manipulation CSS to eliminate 300ms tap delay
- Optimized service worker to skip cross-origin requests
- Updated viewport settings to prevent iOS delays
- Added format-detection meta tag
- Enabled Next.js performance optimizations
- Created comprehensive performance fix documentation

next.config.js

@@ -16,6 +16,10 @@ const nextConfig = {
   productionBrowserSourceMaps: false,
   trailingSlash: false,
   poweredByHeader: false,
+  // Optimize for mobile Safari
+  reactStrictMode: true,
+  // Enable optimized font loading
+  optimizeFonts: true,
 }
 
 module.exports = nextConfig