Ultra-realistic food commercial, vertical 9:16, cauliflower gratin in a ceramic baking dish, bubbling golden cheese crust, creamy sauce between roasted cauliflower florets, browned top, visible steam, dark matte stone countertop, warm natural daylight from the left, soft cinematic backlight, macro lens, shallow depth of field, slow cinematic push-in, premium editorial food styling, no people, no text, no logo, no watermark.