A muscular adult man with light-medium skin and short dark hair sits

Prompt

A muscular adult man with light-medium skin and short dark hair sits on a white chair against a dark gray curtain, captured in a mirror selfie; He is shirtless revealing defined abs and thick thighs, wearing black Nike compression shorts with the waistband visible and a white swoosh logo on the left thigh; His legs are spread apart, torso upright, holding a black smartphone to his face with his left hand while resting his right hand flat near the waistband of his shorts; The lighting is high-contrast direct flash from the phone camera creating dramatic highlights on his chest and arms; Vertical portrait composition full body shot from thighs up centered in frame; Include exactly one visible wordmark, spelled exactly "HF", as a small garment print; preserve its appropriate typography and scale; No other visible text, logo, caption, username, hashtag, comment, watermark, or UI chrome; single clean uninterrupted photograph with a cohesive editorial composition and plain continuous surrounding surfaces