I’m working with three high-resolution bottle mock-ups supplied only as PNGs. Every area that’s now a flat “gold” tint on those labels needs to pop as genuine metallic foil—bright specular highlights, subtle light fall-off, and the slight color shifts you’d expect from real stamped foil. The finish must feel photorealistic, not illustrative, on par with premium product photography. Because the source files aren’t layered, you’ll have to isolate the gold regions cleanly, build believable reflections and depth, then deliver print-ready PNGs at the original resolution (a layered PSD is a welcome extra if your workflow allows). I don’t have reference images for the exact foil look, so I’m relying on your eye; think high-end spirits or cosmetics packaging lit in a studio. Please keep underlying typography and label artwork untouched—only the metallic treatment should change. When you’re done, the bottles should look like they were shot with real foil applied, consistent across all three images.