Complex system architecture diagram, digital illustration, futuristic theme, cyberpunk elements, neon lights, 3D visual, dark blue and grey color scheme, sleek lines, geometric shapes, intricate details, high-tech gadgets, wires and circuits, motherboard, CPU, RAM, GPU, servers, databases, cloud storage, network routers, switches, firewalls, virtual private networks, encryption symbols, coding languages, algorithms, flowcharts, UML diagrams, technical annotations, grid paper background, isometric perspective, 3D rendering, realistic shading, ambient occlusion, soft glow effects, cinematic lighting.