Vibrant gymnasium interior, open space layout, postmodernist architecture, exposed ductwork, industrial-style lighting, polished concrete floors, metallic beams, reclaimed wood accents, abstract geometric shapes, bold colorful walls, eclectic furniture arrangement, flexible training areas, modular exercise equipment, dynamic mirrored reflections, high ceiling with clerestory windows, abundant natural light, soft warm ambient glow, 1/2 composition, shallow depth of field, realistic textures, subtle ambient occlusion.