Ultra-realistic premium food photography of a layered chocolate cake on a white plate, centered composition, three thick moist chocolate sponge layers with smooth white cream filling, topped with glossy rich chocolate ganache frosting, decorated with fresh raspberries, dark chocolate curls, shards and small gold sugar pearls, clean minimal light grey studio background, soft diffused professional lighting, gentle natural shadows, ultra-sharp texture detail, high-end bakery advertising style, shallow depth of field, macro food photography look, photorealistic, 8K resolution, elegant dessert presentation, no text, no watermark