Enhance application performance and user experience by enabling component caching in next.config.ts, optimizing database queries in various pages, and implementing lazy loading for heavy components. Updated styles for smoother transitions and improved visual clarity in multiple components, including globals.css and landing sections.

src/app/odeme/sonuc/loading.tsx

@@ -0,0 +1,19 @@
+import { Skeleton } from "@/components/ui/skeleton";
+
+// /odeme/sonuc iyzico doğrulaması bekler — ortalanmış sonuç kartı iskeleti.
+export default function Loading() {
+  return (
+    <main
+      aria-live="polite"
+      className="mx-auto flex w-full max-w-md flex-1 flex-col justify-center px-4 py-16"
+    >
+      <div className="rounded-2xl border border-slate-200 bg-white p-8 shadow-sm">
+        <Skeleton className="mx-auto size-12 rounded-full" />
+        <Skeleton className="mx-auto mt-5 h-7 w-2/3" />
+        <Skeleton className="mx-auto mt-3 h-5 w-full" />
+        <Skeleton className="mx-auto mt-2 h-5 w-3/4" />
+        <Skeleton className="mx-auto mt-6 h-12 w-full rounded-lg" />
+      </div>
+    </main>
+  );
+}