Modern gymnasium interior, sleek wooden floors, mirrored walls, high ceilings, state-of-the-art equipment, free weights, treadmills, exercise machines, basketball hoops, volleyball nets, athletic tracks, sports-themed murals, natural light pouring in, motivational quotes, inspirational posters, clean lines, minimalist design, functional layout, efficient circulation paths, soft warm lighting, shallow depth of field, 3/4 composition, realistic textures, ambient occlusion.