How do advanced CSS techniques, such as flexbox, grid layout, and CSS custom properties, enhance responsive web design and improve the overall user experience across different devices and screen sizes?
What are the core concepts and features of Vue.js, and how do they facilitate the creation of reactive, maintainable, and scalable front-end applications?
What are the core technologies and practices of full-stack web development, including front-end frameworks, back-end languages, databases, and deployment strategies, and how do they work together to create scalable, efficient, and responsive web applications?