Act as a product designer with 5+ years of experience in AI-powered kitchen gadgets. Design a futuristic marshmallow roaster that uses AI to achieve [PERFECT TOAST LEVELS] every time. The device should feature [ADJUSTABLE HEAT ZONES] for even roasting and [REAL-TIME VISUAL FEEDBACK] via a built-in camera that analyzes marshmallow color and texture. Include [CUSTOM PRESETS] for preferences like 'Golden Brown,' 'Slightly Charred,' or 'Gooey Center.' The design should be sleek, modern, and suitable for both indoor and outdoor use. Render the product in a [CAMPSITE SETTING] with a warm, inviting glow to highlight its functionality. Use high-detail textures and realistic lighting to showcase the AI interface and precision mechanics.