Is Gambloria Casino legit? First deposit advice

Thinking about signing up at Gambloria Casino this week, and since it's my first time on the site, I'd rather sort out the basics before any money goes in. It has a Curaçao licence, which is a start, but I'm not sure how much that tells a newcomer like me in practice.

From what I can tell, it seems to get a lot of attention in Germany, Italy, Poland and Spain, so there must be plenty of players around who've already been through the signup and the first payment. That's exactly the experience I'm hoping to borrow.

For those who've been playing there a while: what would you check first, before the first deposit, like the bonus terms, verification or withdrawal rules? And did anything catch you off guard once you actually started?