Create an awe-inspiring cityscape depicting a sprawling megacity. The view should be from an elevated position, overlooking the vast urban landscape. Imagine a futuristic cityscape with towering skyscrapers, advanced transportation systems, and innovative architecture. Illuminate the scene with an array of vibrant artificial lights, creating a mesmerizing and futuristic ambiance. Incorporate the visionary style of Syd Mead, known for his captivating futuristic designs. Utilize digital painting techniques to bring the city to life, capturing the intricate details and textures of the buildings and infrastructure. Use a vibrant color scheme dominated by neon and metallic tones to enhance the futuristic atmosphere. Employ advanced 3D modeling and realistic textures to achieve an ultra-high-definition artwork, immersing the viewer in the grandeur of the megacity.