feat: Integrate Directus CMS, add i18n with next-intl, and configure project tooling with pnpm, husky, and commitlint.**

app/[locale]/not-found.tsx

@@ -0,0 +1,50 @@
+"use client";
+
+import Link from "next/link";
+import { motion } from "framer-motion";
+import { Home, ArrowLeft } from "lucide-react";
+
+export default function NotFound() {
+  return (
+    <div className="min-h-[80vh] flex items-center justify-center px-4">
+      <div className="text-center">
+        <motion.div
+          initial={{ opacity: 0, scale: 0.5 }}
+          animate={{ opacity: 1, scale: 1 }}
+          transition={{ duration: 0.5 }}
+          className="text-9xl font-extrabold text-slate-200 mb-8"
+        >
+          404
+        </motion.div>
+
+        <motion.div
+          initial={{ opacity: 0, y: 20 }}
+          animate={{ opacity: 1, y: 0 }}
+          transition={{ delay: 0.2, duration: 0.5 }}
+        >
+          <h1 className="text-4xl font-bold text-primary mb-4">
+            Seite nicht gefunden
+          </h1>
+          <p className="text-slate-600 text-lg mb-12 max-w-md mx-auto">
+            Die von Ihnen gesuchte Seite scheint nicht zu existieren oder wurde
+            verschoben.
+          </p>
+
+          <div className="flex flex-col sm:flex-row items-center justify-center gap-4">
+            <Link href="/" className="btn-primary flex items-center gap-2">
+              <Home size={18} />
+              Zur Startseite
+            </Link>
+            <button
+              onClick={() => window.history.back()}
+              className="btn-primary bg-slate-100 !text-primary hover:bg-slate-200 flex items-center gap-2"
+            >
+              <ArrowLeft size={18} />
+              Zurück
+            </button>
+          </div>
+        </motion.div>
+      </div>
+    </div>
+  );
+}