Splunk architecture diagram, technical illustration, futuristic style, 3D visualization, complex network infrastructure, servers, nodes, clusters, routers, switches, firewalls, databases, cloud storage, real-time data processing, monitoring systems, dashboards, charts, graphs, metrics, alerts, warnings, colors, blue, green, yellow, red, wires, cables, circuits, motherboards, CPU, RAM, GPU, network topology, hierarchical structure, layered architecture, abstract shapes, geometric patterns, neon lights, dark background, high-tech atmosphere, cinematic lighting.