feat: major UI/UX overhaul, snippets system, and performance fixes

app/__tests__/components/Hero.test.tsx

@@ -14,9 +14,17 @@ jest.mock('next-intl', () => ({
 }));
 
 // Mock next/image
+interface ImageProps {
+  src: string;
+  alt: string;
+  fill?: boolean;
+  priority?: boolean;
+  [key: string]: unknown;
+}
+
 jest.mock('next/image', () => ({
   __esModule: true,
-  default: ({ src, alt, fill, priority, ...props }: any) => (
+  default: ({ src, alt, fill, priority, ...props }: ImageProps) => (
     <img 
       src={src} 
       alt={alt}