Visualize a cutting-edge metropolis where towering skyscrapers with geometric precision rise against the backdrop of a twilight sky. The cityscape is interlaced with streamlined transportation tubes glowing with soft neon hues. In the foreground, an elegant hovercraft glides smoothly above ground, its form defined by sleek lines and minimalist design. The limited palette of cool blues, whites, and grays imparts a sense of modernity and refinement, accented by subtle pops of teal. The scene conveys an atmosphere of serenity and advanced technology, seamlessly blending urban life with futuristic innovation.