Answer
Responsive layouts begin with flexible sizing and add conditions only when content needs them. • Grid, Flexbox, minmax(), and wrapping handle many size changes without breakpoints. • Media or container queries introduce larger structural changes. • Test zoom, long content, keyboard focus, and narrow containers.
💡 Simple Example
.layout { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr)); gap: 1rem; }
⚡ Quick Revision
Use flexible layout first, then add content-driven media or container queries.