Premium 4:5 advertising poster for a luxury soap brand. A...

Premium 4:5 advertising poster for a luxury soap brand. A single sculpted soap bar resting on wet black stone, with its surface covered by an extremely fine layer of water droplets that follow the exact contours of the embossed design. Soft bathroom light, realistic moisture, detailed material texture, clean premium setting. Typography: "CLEAN, REFINED". Premium personal-care campaign, photorealistic.