Minimalist Stacked White Cubes on White Background

three matte white cubes stacked vertically, slightly offset from each other, clean geometric blocks, isolated product-style 3D render on a pure white background, subtle beveled edges, soft ambient studio lighting, gentle gray shadows defining the cube faces, minimal modern composition, centered tall arrangement with lots of negative space, smooth plastic or painted plaster texture, high-key lighting, crisp edges, understated realism