style: keep Films rows as horizontal scroll with responsive card sizes

Cards now scale to match the Algos grid proportions at each breakpoint
(1/3, 1/4, 1/5, 1/6 of viewport) while remaining in a horizontally
scrolling flex row with nav buttons on desktop.

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

docker-compose.yml

@@ -20,7 +20,7 @@ services:
       context: .
       dockerfile: Dockerfile
       args:
-        CACHEBUST: "29"
+        CACHEBUST: "30"
         VITE_USE_MOCK_DATA: "false"
         VITE_CONTENT_ORIGIN: ${FRONTEND_URL}
         VITE_INDEEHUB_API_URL: /api