not found page

client/src/app/not-found.js

@@ -0,0 +1,29 @@
+import Link from "next/link";
+
+export default function Component() {
+  return (
+    <div className="flex min-h-[100dvh] flex-col items-center justify-center bg-white px-4 py-12 sm:px-6 lg:px-8">
+      <div className="mx-auto max-w-md text-center">
+        <div className="mx-auto h-12 w-12 text-primary" />
+        <h1 className="mt-4 text-3xl font-bold tracking-tight text-foreground sm:text-4xl">
+          Oops, page not found!
+        </h1>
+        <p className="mt-4 text-foreground">
+          The page you're looking for doesn't exist. Let's get you back on
+          track.
+        </p>
+        <div className="mt-6">
+          <Link
+            href="#"
+            className="inline-flex items-center rounded-md border border-gray-300 bg-primary px-4 py-2 text-sm font-medium text-primary-foreground shadow-sm transition-colors duration-300 hover:bg-indigo-700 hover:text-white focus:outline-none focus:ring-2 focus:ring-primary focus:ring-offset-2"
+            prefetch={false}
+          >
+            <span className="text-base sm:text-lg md:text-xl">
+              Go to Homepage
+            </span>
+          </Link>
+        </div>
+      </div>
+    </div>
+  );
+}