Professional commercial food photography of a premium classic beef burger, toasted brioche bun, juicy grilled beef patty, fresh lettuce, ripe tomato slices, red onion, pickles and signature burger sauce, clearly visible appetizing layers, subtle natural shine. The entire burger must be fully visible in the frame from top bun to bottom bun, centered compositionally, with comfortable margin around it and no cropped parts. Shot on a dark stone surface, dark neutral background, soft diffused side lighting, 45-degree camera angle, shallow depth of field, highly realistic textures, appetizing natural colors, premium restaurant menu photography, elegant minimal composition, no people, no text, no fries or side dishes, photorealistic, ultra-detailed, 8K.