Full muscular body pose

Use the uploaded reference image as the ONLY face reference. Preserve 100% facial identity, exact facial structure, hairstyle, skin texture, proportions, and natural features with zero alteration, beautification, smoothing, or identity drift. Hyper-realistic full-body portrait of an 18-year-old gym-fit young man in a Front Double Biceps pose. Facing the camera directly, feet shoulder-width apart, both arms raised and flexed, chest expanded, shoulders broad, abs tight and defined, intense focused expression with eyes locked on the lens. Shirtless, wearing fitted black sweatpants. Hair remains stylish and messy as in the reference image, with extremely light, short stubble beard only. Skin has a subtle natural sweat sheen highlighting muscle definition. Background: premium modern gym with dumbbell racks, mirrors, barbells, and soft blurred gym atmosphere. Warm amber overhead lighting creates dramatic shadows and enhances muscular detail. Shot on Sony A7R IV, 85mm lens, f/1.6, cinematic bodybuilding editorial style, shallow depth of field, warm amber and charcoal color grading, ultra-realistic 8K quality, natural skin pores, highly detailed muscle definition. Aspect Ratio: 3:4 Vertical. Negative Prompt: face distortion, identity change, face swap, asymmetry, bad anatomy, extra limbs, low quality, blur, noise, plastic skin, cartoon, CGI, watermark, unrealistic lighting.