feat: enhance Carousel component with heading, icon, and color options; update movie sections in Odkrywaj page for improved UI consistency

src/components/atoms/BackButton/index.tsx

@@ -13,7 +13,7 @@ export const BackButton: FC<Props> = ({ label = "Powrót" }) => {
   return (
     <button
       onClick={() => router.back()}
-      className="flex items-center gap-3 text-white hover:text-purple-300 transition-colors group"
+      className="flex items-center gap-3 text-white hover:text-purple-300 transition-colors group cursor-pointer"
     >
       <div className="p-2 rounded-full bg-black/30 group-hover:bg-purple-600/30 transition-colors">
         <FaArrowLeft size={20} />