Modern IoT architecture diagram, futuristic illustration, beginner-friendly design, simple shapes, bright colors, clean layout, 3D visualization, white background, minimalistic, abstract representation, interconnected devices, sensors, gateways, cloud platforms, data analytics, real-time processing, wireless communication protocols, Bluetooth, Wi-Fi, LTE-M, NB-IoT, device management, security layers, encryption methods, IoT hub, fog computing, edge computing, scalable infrastructure, high-performance computing, distributed systems, mesh network topology, star network topology, bus network topology, tree network topology, panoramic view, 3/4 composition, soft lighting.