Vertical poster 9:16, dark purple and black background, retro 80s and 90s flashback music theme, large bold chrome metallic letters "FLASHBACK" at top with neon pink glow, "ANOS 80 E 90" in yellow brush stroke banner below, happy young Brazilian man in vintage 80s colorful jacket and sunglasses smiling, holding USB pendrive in one hand, neon equalizer bars at bottom in pink and cyan, glowing green button "PROMOÇÃO EXCLUSIVA!" and yellow badge "APENAS R$10,00", neon triangles floating, retro synthwave grid floor, disco ball in background, scattered light reflections, boombox, photorealistic, cinematic lighting, ultra detailed
