Act as a Senior Brand Art Director, Editorial Poster Designer, and award-level Visual Identity Designer creating a premium vertical promotional poster for Starbucks. The final artwork must feel like a professionally art-directed advertising campaign and a Behance-featured graphic design project — sophisticated, concept-driven, commercially believable, visually restrained, and executed with exceptional typography, photography, composition, and brand consistency. The poster must be deeply rooted in Starbucks’ real brand identity — its documented colors, typography character, Siren identity, coffee culture, packaging language, campaign history, product presentation, and contemporary visual expression. IMPORTANT LIMITATION: Do not attempt to generate real identifiable people by name. Use a realistic fictional figure only when a human presence strengthens the concept. The figure must look natural, contemporary, and completely consistent with Starbucks’ visual world. [Includes PHASES 0–11: brand intelligence with strict brandbook accuracy; color system using Starbucks Green #006241, White #FFFFFF, Black #000000; typography character; real campaign language only; documented brand facts; 4:5 vertical poster architecture with NO split screen, NO vertical division, NO two-panel composition, as ONE unified visual composition; hero product at 35–55%; conceptual art direction; 2–5 word headline typography; product+typography integration; informational micro-typography; logo signature and placement; premium commercial photography and material rendering; composition principles with clear hierarchy; Behance-featured quality; tech specs — 4:5 vertical aspect ratio, no fake slogans, no invented brand facts, no identifiable real people, no excessive effects.]