Create a premium vertical product advertising poster for a fictional sustainable beauty brand "PURE RITUAL". Preserve bold modern product-poster logic: single hero jar centered, fully saturated monochrome background, oversized headline behind the jar, vertical side label, short bottom descriptor. COMPOSITION: a frosted glass jar with a minimalist wooden cap slightly below center on a seamless soft sage-green background, a creamy white skincare balm being scooped with a wooden paddle, scattered fresh botanical leaves and a crisp diagonal shadow. TYPOGRAPHY: large bold white stacked headline "CALM / NURTURE" behind the jar; slim vertical left label "ORGANIC ROSE + OAT"; bottom line "PURE, GENTLE, TIMELESS." LIGHTING: strong clean directional light upper-left, matte jar and balm texture, elegant shadow. STYLE: Cannes-level eco-luxury product advertising, ultra-real. NEGATIVE: cheap label, cluttered layout, plastic texture, muddy background, weak shadow, unreadable text, watermark. 8k.