Modern application architecture diagram, web application, colorful wires and nodes, 3D illustration, futuristic style, neon lights, digital circuits, cloud computing, servers, databases, APIs, microservices, containers, Kubernetes, Docker, load balancers, firewalls, routers, switches, laptops, desktops, mobile devices, internet connections, WiFi signals, satellite communications, cityscape background, skyscrapers, urban landscape, evening scene, soft blue and purple lighting, cinematic composition, detailed textures, 4K resolution.