Late-night solitary gym workout scene (HappyHorse 1.1)

SCENE & MOOD: Late night premium commercial gym, editorial live action realism, no CGI gloss. Cool overhead LED wash, deep shadow pockets, metallic reflections on black steel equipment. Mood: solitary, disciplined, controlled intensity. FRAME MAP: 0.0–8.0s: side profile, waist height, subject seated on black bench, left of center, gym receding into shadow behind. 9.0–13.8s: rear three quarter, slightly elevated, subject centered before large wall mirror, reflection geometrically exact. 13.8–15.0s: centered full body portrait height, subject standing between machines. SUBJECT LOCK: Adult male, 28–32, muscular athletic build, medium tan skin, short dark messy hair, focused expression. Muted olive tank, loose black training trousers, white trainers. Same face, hair, physique, and wardrobe locked across all six beats no drift, no substitution. MOVEMENT 0.0–3.8s: seated dumbbell curl, controlled tempo, natural gravity and momentum, near-static camera with faint handheld drift. 3.8–6.0s: hard cut, mid curl continuation, weight accelerates low then decelerates near peak, subtle vibration on directional change. 6.0–8.0s: hard cut, set ends, dumbbells rest at sides, breath heavens, gaze drops. 8.0–9.0s: hard cut, brief stillness, minor postural shift, quiet ambience. 9.0–12.0s: hard cut, rear delt machine, one controlled rep, arms open, scapular movement biomechanically accurate, mirror reflection synced frame for frame. 12.0–13.8s: hard cut, elbows wide, contraction completes, controlled return. 13.8–15.0s: hard cut, athlete stands, holds one athletic pose, pivots into a final asymmetrical pose with raised arm, holds on strong still frame. LAST FRAME: Athlete frozen mid-turn, one arm raised, weight settled, gaze forward and steady. No on-screen text, no captions, no rendered typography anywhere in frame. WORLD PLATE: Modern commercial gym interior, night, dark open ceiling, rectangular LED fixtures, charcoal rubber flooring, black steel machines and cable stations, worn floor texture, faint background activity for authenticity. SOUND BED: Diegetic only: controlled breathing, dumbbell contact and directional change clink, faint machine cable resistance, distant ambient gym hum, soft footfall on rubber flooring. No music, no score, no synthetic layer. CAPTURE REALISM: Natural human proportions and biomechanics, accurate hands, believable fabric movement under tension, stable equipment geometry, precise mirror reflections, restrained depth of field, subtle sensor noise, natural motion blur only on weight transitions. No plastic skin, no artificial glow, no warped geometry, no duplicated figures. CAMERA CAPTURE: Handheld cinema body, 50mm then 35mm then 50mm per beat as mapped above, natural film emulated grade, controlled blacks, restrained highlight roll off, 24fps, 15s total runtime.