Client server architecture, network diagram, futuristic blue glow, intricate circuitry, wires, servers, routers, modems, laptops, desktops, mobile devices, cloud computing, virtualization, scalability, reliability, security, firewall, database, API, HTTP requests, response codes, 3D illustration, neon lights, dark background, cinematic composition, close-up on server rack, low-angle shot, dramatic lighting, techy atmosphere.