Modern application architecture design, checklist, diagram, digital illustration, futuristic blueprint, sleek lines, minimalist aesthetic, pastel color scheme, glowing neon accents, 3D rendered, low-angle composition, dramatic lighting, atmospheric mist, blurred background, detailed foreground, intricate details, metallic materials, glass surfaces, LED lights, circuit boards, wires, coding screens, laptops, desktops, servers, cloud storage, network infrastructure, scalability, flexibility, reliability, security, performance, maintainability, reusability, modular design, microservices, API integration, DevOps, Agile development, IT professionals, futuristic office, cityscape, skyscraper.