Act as a professional barista with 10+ years of experience in specialty coffee. Design a visually stunning and highly functional portable espresso machine that emphasizes brew customization. Highlight the following features: [ADJUSTABLE PRESSURE] for precise extraction control, [TEMPERATURE SETTINGS] ranging from 85°C to 96°C for different roast profiles, and [COMPACT YET ERGONOMIC] design for travel-friendly use. Include sleek metallic finishes, intuitive touch controls, and a detachable water tank for easy refilling. The machine should appeal to coffee enthusiasts who value both portability and barista-level precision. Render the product in a modern, minimalist style with a focus on high-end materials and user-friendly interfaces.