Rugged fitness club interior, exposed concrete walls, industrial metal beams, raw steel equipment, neon accent lighting, high-ceilinged open spaces, minimalist decor, brutalist architecture, functional design, intense workout areas, free weights, strength training machines, mirrored walls, polished concrete floors, urban cityscape views, dramatic shadows, low-key ambient lighting, 1/2 composition, cinematic mood, gritty textures, realistic render.