Tune caching: shorter revalidate, lighter fetches, on-demand purge.

Use paginated list fetches with stripped list payloads, recent-item helpers for carousels, fetch tags + POST /api/revalidate, and 5-minute page ISR instead of 1 hour.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/app/our-services/page.tsx

@@ -11,7 +11,9 @@ import { ProjectGallery } from "@/components/shared/ProjectGallery";
 import { SiteFooter } from "@/components/SiteFooter";
 import { SiteHeader } from "@/components/SiteHeader";
 import { servicesPage } from "@/data/site";
-import { getPortfolios, toDisplayProject } from "@/lib/api";
+import { getRecentPortfolios, toDisplayProject } from "@/lib/api";
+
+export const revalidate = 300; // keep in sync with api.ts PAGE_REVALIDATE_SECONDS
 
 export const metadata: Metadata = {
   title: "خدمات ما",
@@ -20,7 +22,7 @@ export const metadata: Metadata = {
 };
 
 export default async function ServicesPage() {
-  const portfolios = await getPortfolios();
+  const portfolios = await getRecentPortfolios(12);
   const displayProjects = portfolios.map(toDisplayProject);
 
   return (