Using the uploaded product photo, generate a high-resolution mockup with these exact specifications: [COMPOSITION]: The product standing on a jagged, black obsidian rock shard. [LIGHTING]: Dramatic rim lighting from behind, creating a glowing outline around the product. [BACKGROUND]: A solid, midnight-black matte background (#000000). [SHADOW]: A dense, dark shadow below the rock shard. [PRODUCT INTEGRITY]: STRICTLY PRESERVE the product's original surface. DO NOT add any new text, logos, or branding. [MOOD]: Dark luxury, premium, 'midnight' aesthetic.