Using the uploaded product photo, generate a high-resolution mockup with these exact specifications: [COMPOSITION]: The product must be centered, standing on a raw, unpolished Travertine stone block. NO props, NO hands, and NO extra items. [LIGHTING]: Apply harsh, single-source 'high noon' sunlight from the top-right, creating deep, sharp architectural shadows and bright, crisp highlights on the stone texture. [BACKGROUND]: A solid, neutral beige matte background (#D2B48C). [SHADOW]: A sharp, dark 'Contact Shadow' on the stone block and a long, dramatic geometric shadow. [PRODUCT INTEGRITY]: STRICTLY PRESERVE the product's original surface. DO NOT add any new text, logos, or branding. [MOOD]: Architectural, expensive, minimalist luxury.