Cloud infrastructure architecture diagram, 3D illustration, futuristic, modern, complex network, servers, routers, switches, firewalls, databases, cloud storage, virtual machines, containers, microservices, APIs, scalable, secure, highly available, nodes, clusters, data centers, fiber optic cables, networking equipment, sleek metal surfaces, neon lights, dark blue and white color scheme, subtle gradient effects, isometric perspective, 3/4 composition, dramatic lighting, cinematic mood.