Vibrant gymnasium interior, open space layout, postmodernist architectural style, bold color schemes, eclectic mix of materials, exposed ductwork, industrial chic lighting, reclaimed wood accents, steel beams, concrete floors, minimalist seating areas, modern fitness equipment, free weights, cardio machines, mirrored walls, motivational quotes, natural stone features, abundant daylight, softbox lighting, shallow depth of field, 1/1 composition, wide-angle shot, realistic textures, ambient occlusion.