Cinematic sci-fi book cover, dark dystopian city with glowing neon lights in the background, central figure: teenage boy (Alex Cade) standing in the foreground, wearing dark jacket with faintly glowing temporal device (temporal anchor) on wrist, serious and tense expression, slightly behind him teenage girl (Ava Ridge), confident stance, shadowy antagonist figure (Christian Vale) in the distance, futuristic agency logo (Chronobureau) subtly visible in the background, moody and atmospheric lighting, mist and particles in the air, cinematic composition, high detail, dramatic shadows, digital painting, ultra realistic, movie poster style, vertical book cover format Mehr sehen