โปสเตอร์เรโทรกรันจ์ลายก้นหอยวน

Graphic design poster in a retro [grunge poster] style. The subject from the reference photo is centered. The background is a dynamic concentric spiral vortex of [light blue] and [white]. Apply a textured print effect with coarse grain, distressed edges with paint splashes, and enveloping halftone line patterns. Limited color palette: bright light blue, white, and dark blue. High visual energy, raw screen-printed texture, static and powerful.