Determined athlete lifts heavy weights in gritty gym mirror shot

2x2 grid, AI infers extreme fitness subjects: INPUT: $ SUBJECT ACTOR = infer_lifter($ SUBJECT) // mid-movement, strained EFFORT = infer_exertion($ SUBJECT) // sweat, vein, flushed skin, clenched jaw GEAR = infer_equipment($ SUBJECT) // rack, dumbbell, cable, chalk MIRROR = infer_gym_mirror($ SUBJECT) // smudged, fingerprinted, sticker corner LIGHT = infer_fluorescent($ SUBJECT) // flat overhead, greenish, unflattering MOTION = infer_rep_motion($ SUBJECT) // bar path blur, shaking FLAWS = infer_flaws($ SUBJECT) // motion smear, noise in shadows Φ = sweat_specular(LIGHT, EFFORT) // highlight sheen on skin Compose: candid gym capture or mirror shot, harsh fluorescent light, sweat and effort visible, motion blur on the moving load. Photoreal, 9:16 vertical.