โปสเตอร์ป็อปอาร์ตย้อนยุค มิลค์เชกของหวาน

A bold retro pop-art commercial poster for a [Blueberry Dessert Shake]. Subject: A thick blueberry shake in a transparent glass, topped with a tall whipped cream swirl, glossy dripping blueberry syrup, fresh blueberries, a mint leaf, and a colorful straw. Typography: Huge stacked diner-style text reading "[BLUEBERRY BLAST]", with smaller secondary text "COLD. SWEET. CREAMY." dynamic typography wrapping around the drink. Style & Background: [90s retro diner poster] aesthetic with halftone dot patterns, vintage printed paper texture, bold geometric shapes, and a sticker-style white cutout contour behind the glass. Color Palette: Bright magenta, electric blue, cream, purple, and hot pink. Lighting & Details: Crisp commercial studio lighting highlighting realistic glossy syrup drips, creamy textures, and vibrant berries with high contrast.