Dark Science Fiction Book Cover Design (Evoking mystery, suspense, and terror)

Visuals: A dark, eerie landscape of an alien planet with jagged mountains piercing a crimson sky. In the foreground, a lone astronaut, helmet reflecting a haunting horizon. Shadowy figures loom in the distance, casting elongated shadows on cracked terrain. Glowing, mysterious plant life adds a surreal luminescence, hinting at both danger and wonder.

Typography: A bold, futuristic sans-serif font for the title, "Survival on Hostile Planets," in metallic silver, giving a sense of technology and modernity. The author name, Sandro Mattos, is in a smaller, italicized sans-serif font in white, positioned at the bottom.

Layout: The title is placed prominently at the top, slightly arched to follow the curve of the planet's horizon, creating a sense of impending doom. The astronaut and landscape take center stage, while the shadowy figures blend into the background. The author's name is neatly at the bottom.

Explanation: The visual composition uses a contrast of dark and luminous elements to evoke suspense and terror, representing a hostile world where survival is uncertain. The jagged mountains and eerie lighting establish a sense of mystery typical for sci-fi landscapes. The bold, futuristic font enhances the theme of science fiction, while the metallic silver title stands out against the dark hues, making the book immediately recognizable. A glossy finish combined with metallic foil adds a high-tech touch, aligning with the book’s theme of futuristic survival and ensuring the cover captures both the terror and intrigue of alien worlds.