Full-Body Studio Portrait with Illuminated Sign

{ "prompt": "Full-body studio portrait of a man using the uploaded photo as the exact face reference without altering the face or appearance. The man has short dark hair and a goatee. He is wearing an olive green rolled-up sweatshirt, distressed light blue jeans, and black high-top Converse sneakers. He is leaning casually against a large vertical 3D block sign that reads 'KARLOS' in bold white illuminated lettering. The background is a dark textured charcoal grey concrete wall. Professional cinematic lighting with soft shadows, high detail, ultra-realistic studio photography.", "style": "cinematic studio photography", "lighting": "professional cinematic lighting with soft shadows", "background": "dark textured charcoal grey concrete wall", "composition": "full-body portrait, subject leaning against vertical 3D illuminated sign", "sign_text": "KARLOS", "quality": "high detail, ultra-realistic", "reference_image": "uploaded_photo" }