"Design an abstract background that uses technology and artifical intelligence inspired patterns . Visualize digital networks, rendered in black, grey and white tones on a dark grey background. These patterns should be subtly layered and textured, creating a sense of depth and complexity. The design should evoke a sophisticated tech feel. Aim for a composition that could serve as a confident yet understated backdrop for digital content. It must not contain text. " --ar 3:4 --tile