Modern gym architecture, futuristic building design, sleek lines, neon lights, large glass windows, steel frames, minimalist interior, wooden flooring, mirrored walls, professional fitness equipment, rows of treadmills, free weights area, yoga mats, athletic young adults, exercising, sweating, intense facial expressions, dynamic poses, low-angle shot, dramatic lighting, high-contrast colors, urban cityscape background, night scene, cinematic composition.