refactor: Move Navbar and Footer to global RootLayout, deduplicating page imports

app/[locale]/[category]/[slug]/page.tsx

@@ -1,7 +1,5 @@
 import { getTranslations, setRequestLocale } from 'next-intl/server'
 import { mockDb } from '@/lib/mockDb'
-import Navbar from '@/components/Navbar'
-import Footer from '@/components/Footer'
 import ListingCard from '@/components/ListingCard'
 import { notFound } from 'next/navigation'
 import Image from 'next/image'
@@ -85,7 +83,6 @@ export default async function ListingDetailPage({ params }: DetailPageProps) {
 
   return (
     <div className="flex-1 flex flex-col min-h-screen bg-stone text-ink">
-      <Navbar />
 
       <main className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-10 flex-1 space-y-10">
         
@@ -388,8 +385,6 @@ export default async function ListingDetailPage({ params }: DetailPageProps) {
         )}
 
       </main>
-
-      <Footer />
     </div>
   )
 }