* feat: rename --font-cal to --font-heading + use Cal Sans UI * chore: remove font-weight from font-heading elements and CSS variables Co-Authored-By: pasquale@cal.com <pasquale@cal.com> * chore: remove unneeded css vars * fix: cubic issues --------- Co-authored-by: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com> Co-authored-by: pasquale@cal.com <pasquale@cal.com> Co-authored-by: Rajiv Sahal <sahalrajiv-extc@atharvacoe.ac.in>