Cap every page at 1920px so layouts stop stretching on ultrawide viewports.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/layout.tsx

@@ -146,7 +146,9 @@ export default function RootLayout({ children }: { children: ReactNode }) {
       <body
         className={`${inter.variable} ${bricolageGrotesque.variable} ${spaceGrotesk.variable}`}
       >
-        <div className="min-h-screen flex flex-col">{children}</div>
+        <div className="mx-auto flex min-h-screen w-full max-w-[1920px] flex-col">
+          {children}
+        </div>
       </body>
     </html>
   );