Struggling to find the perfect font pairing for a modern tech startup – what are your go-to combinations?

I'm deep into branding for a new tech startup, and I'm hitting a wall trying to find fonts that convey both innovation and approachability. I've tried several sans-serif options but nothing feels quite right. What are your favorite, proven font pairings that just *work* for a clean, forward-thinking aesthetic? Really need some fresh perspectives here!