Learn to create responsive design mockups efficiently using Adobe XD's toolsets in this comprehensive 1-hour 33-minute video tutorial. Explore the fundamentals of responsive design, including workflow, breakpoints, and mobile-first approaches. Master XD's features like Responsive Resize, artboards, flexible width columns, and Repeat Grid. Discover techniques for handling text and creating max-width artboards. Practice creating breakpoint artboards for various screen sizes, from 1000px down to the smallest breakpoint. Conclude with insights on device-specific artboards and practical tips for implementing responsive design in your projects.