Young Adult Man Engaged with Smartphone in Casual Portrait

young adult man standing in a relaxed three-quarter profile, looking down and smiling at a smartphone held in both hands, short dark wavy hair, clean-shaven, wearing an olive khaki button-up overshirt with chest pockets over a white t-shirt and gray pants, simple studio portrait against a smooth light gray seamless background, waist-up to mid-thigh framing, natural casual pose, soft diffused studio lighting, subtle shadows, realistic photography, neutral tones, minimal clean composition, 50mm portrait lens, shallow natural depth, crisp fabric texture