Refactor UI components for consistency and clarity across the application

- Updated AGENTS.md with new guidelines for UI consistency, including badge and modal styles.
- Refactored layout.tsx to improve the placement of the progressive blur effect.
- Enhanced NotFound component text for better user guidance.
- Replaced HeroFocusButton with HeroBaslik and KapanisCta in the Home component for improved clarity.
- Added SiteFooter to multiple pages for consistent footer display.
- Removed ListemSekmeleri component and adjusted ListemPage to streamline functionality.
- Updated various components to ensure consistent styling and user experience.

src/app/kosullar/page.tsx

@@ -2,6 +2,7 @@ import type { Metadata } from "next";
 import Link from "next/link";
 import { Parallax } from "@/components/parallax";
 import { PagePixelDivider } from "@/components/pixel-decor";
+import { SiteFooter } from "@/components/site-footer";
 
 export const metadata: Metadata = {
   title: "Kullanım ve Satış Koşulları",
@@ -13,6 +14,7 @@ export const metadata: Metadata = {
 // NOT: MVP taslağıdır; yayına almadan önce hukuki gözden geçirme gerekir.
 export default function KosullarPage() {
   return (
+    <>
     <main className="mx-auto w-full max-w-2xl px-4 py-16">
         <Parallax fromStart strength={10}>
           <h1 className="font-heading text-3xl font-bold">
@@ -85,5 +87,7 @@ export default function KosullarPage() {
           </section>
         </Parallax>
     </main>
+    <SiteFooter />
+    </>
   );
 }