Create a bold modern advertising poster for [PRODUCT NAME] in a premium commercial beverage style. Use a realistic printed poster composition in **4:5 portrait ratio** with balanced spacing and clean studio aesthetics. Split the background into two sections: Left side: soft white or light cream Right side: bold [MAIN COLOR] Place the [PRODUCT TYPE] slightly right of center, overlapping both sections. Fill it with [PRODUCT COLOR] liquid, with glossy reflections, realistic highlights, soft shadows, and premium lighting. Add a large fresh [MAIN INGREDIENT] slice behind the product on the left. Surround with small [LEAVES / SPLASHES / FRUIT PIECES] for a juicy fresh look. Typography: Large vertical white text on right: "[FLAVOR NAME]" Small headline top-left: "[SHORT HEADLINE]" Small feature text bottom-left: "[FEATURE TEXT]" Minimal logo placeholder in top-left Style: modern beverage campaign, vibrant contrast, premium product photography, sharp details, clean layout, realistic textures, energetic and fresh. Negative prompt: blurry text, distorted bottle, extra labels, messy background, cartoon look, watermark, duplicated objects, unreadable typography.