Here are some resources to start your Figma Journey:
This is a Figma tutorial webpage on creating responsive layout grids (10m read): https://help.figma.com/hc/en-us/articles/360040450513-Create-layout-grids-with-grids-columns-and-rows
These are crowd-sourced responsive design figma template files, which technically, a learner could just pick-up and use: https://www.figma.com/community/tag/responsive%20design/files
This is a Figma tutorial VIDEO for creating responsive layouts in Figma (10m watch).