Modern payment processing architecture, sleek futuristic design, metallic glass buildings, neon lights reflecting off polished surfaces, cityscape at dusk, skyscrapers in background, complex network of wires and circuits, 3D holographic projections, futuristic computer terminals, high-tech machinery, robotic arms handling transactions, fiber-optic cables, advanced algorithms, secure encryption protocols, facial recognition technology, biometric authentication systems, digital wallets, mobile payment platforms, e-commerce interfaces, global network connections, real-time data analytics, cloud computing infrastructure, modular design, scalable architecture.