Create a premium fitness product advertisement poster for [PRODUCT NAME]. Theme: [COLOR THEME] gradient background, energetic and modern. Scene: A stylish [MODEL TYPE] female/male fitness model wearing [OUTFIT COLOR], holding [PRODUCT NAME] pouch in front with close-up hand perspective. Product Details: Brand: [BRAND NAME] Flavor: [FLAVOR NAME] Main headline: [MAIN HEADLINE] Sub heading: [SUB HEADING] Side Features: • [PROTEIN AMOUNT] • [FEATURE 1] • [FEATURE 2] • [FEATURE 3] Elements: Floating oats, nuts, chocolate pieces, splash effects, ingredient particles flying. Typography: Bold premium commercial fonts, clean product spotlight layout Output: Ultra realistic, cinematic lighting, premium product poster, 4K square format.