[SCENE_DESCRIPTION] A minimal studio setup with a smooth gradient background behind the model. Soft studio lighting illuminates the scene while the background lights continuously shift colors. The color transitions flow gradually through warm and cool tones, creating a modern, cinematic mood. The t-shirt fabric and back design remain clearly visible and well-defined. [SUBJECT_BEHAVIOR] The model stands still facing away from the camera in a relaxed posture. With his right hand, he gently adjusts his hair in a calm, natural motion. After adjusting, his hand returns to a relaxed position without sudden movement. The back of the t-shirt stays fully visible throughout. [FRAME_SIMULATION] The frame remains completely stable and centered. Focus stays locked on the t-shirt’s back design at all times. Background lights continue changing colors smoothly, adding motion and depth without distracting from the product. No camera movement, no shake, no rotation — only controlled lighting transitions enhancing the visual impact.
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