Sadly the font colour on non-mobile devices is way too dark, the whole site is way too low contrast: #666b67 (desktop) vs #B2B5B3 (mobile) on #222623.
Desktop colours: https://webaim.org/resources/contrastchecker/?fcolor=666B67&...
Mobile colours: https://webaim.org/resources/contrastchecker/?fcolor=B2B5B3&...