Fix product images: use fill with aspect-square container

src/components/product/ProductCard.tsx

@@ -34,7 +34,7 @@ export default function ProductCard({ product, index = 0, locale = "SR" }: Produ
               alt={localized.name}
               fill
               className="object-cover object-center transition-transform duration-700 ease-out group-hover:scale-105"
-              sizes="100vw"
+              sizes="(max-width: 640px) 100vw, (max-width: 1024px) 50vw, 25vw"
               loading="lazy"
             />
           ) : (

src/components/product/ProductDetail.tsx

@@ -180,15 +180,15 @@ export default function ProductDetail({ product, relatedProducts, locale = "SR"
               )}
 
 {/* Main Image */}
-              <div className="relative bg-[#f8f9fa] overflow-hidden">
+              <div className="relative aspect-square bg-[#f8f9fa] overflow-hidden">
                 {images[selectedImage] && (
                   <Image
                     src={images[selectedImage].url}
                     alt={images[selectedImage].alt || localized.name}
-                    width={600}
-                    height={600}
-                    className="w-full h-auto object-cover"
+                    fill
+                    className="object-cover"
                     priority
+                    sizes="(max-width: 1024px) 100vw, 50vw"
                   />
                 )}
               </div>