Light blue Science Fiction Book Cover Design (Evoking miniature city, winding road, and distant mountains)

Visuals: A futuristic miniature cityscape is depicted in the center of the cover, appearing as though it's sitting inside a glass dome with intricate lines of engineering measurements around it. A winding road curves from the bottom of the cover, leading the viewer’s eye through the cityscape and towards the distant horizon where soft blue-gray mountains fade into the light, airy sky. Light blue gradients dominate the background, giving a sense of innovation and possibility. Subtle elements of engineering tools, like rulers and drafting compasses, are integrated into the design softly around the edges.

Typography: Fonts are modern and sans-serif, clean and professional. The title is written in uppercase with subtle spacing, in a light blue tone that complements the overall palette. Subtitles are italicized to give a futuristic and sleek feel, while structured organization maintains clarity.

Layout: The title is centered in the upper third of the cover, slightly overlapping the sky background but staying clear of the prominent cityscape. Below the title, the subtitle is placed in a smaller font. The road from the bottom edge directs the eye upward through the city and towards the mountains. Margins are balanced, leaving breathing space for the visual complexity.

Explanation: The visual composition reflects both the science fiction genre and thoughtful urban design by combining a futuristic city and engineering elements, which also speak to the book's theme of sustainable development. The use of light blue gradients evokes calmness and innovation, perfectly aligning with the desired emotion and primary color preference. The typography choices convey modernity and professionalism, ensuring readability and genre alignment with clean, structured layouts. Matte-coated paper with soft-touch lamination matches with the sophisticated tone of the book, while spot UV highlights guide the viewer’s eye to key elements, such as the road and the cityscape.