Flarum's Custom Styles parser (LESS) blocks @import and data-uri for
security. Move the font loading to a <link> tag the user adds via
Flarum admin's "Custom Header" HTML field. CSS itself stays unchanged
beyond removing the import line.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
Mirrors the editorial typography and color system of openbureau.ch
onto the Flarum instance (openstudio.kgva.ch). Paste into Flarum
admin → Appearance → Custom Styles. File is also served at
openbureau.ch/flarum.css once the site is deployed, so Flarum can
optionally @import the live URL instead.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>