Complex system architecture diagram, futuristic high-tech atmosphere, detailed 3D illustration, sleek lines, geometric shapes, glowing blue circuits, wires, microchips, servers, mainframes, routers, switches, firewalls, databases, clouds, virtual private networks, internet of things devices, artificial intelligence modules, blockchain nodes, cryptocurrency transactions, real-time data analytics, monitoring systems, security cameras, motion sensors, biometric authentication, 3/4 composition, low-angle shot, dramatic lighting, cinematic mood, misty background, blurred edges.