Modern 3D architectural design software demo, futuristic interface, sleek glass desk, ergonomic chair, mature male architect, bespectacled, short brown hair, black suit, white shirt, tie, hands gesturing on a holographic screen, cityscape background, skyscrapers, neon lights, night scene, cinematic lighting, high-tech atmosphere, minimalistic decor, leather sofa, wooden flooring, subtle gradient texture, precise lines and shapes.