You had an offer from them? Then why didn't you ask about terms and conditions at the interview? Just to give you, and others contemplating an interview with another carrier, it sort of goes like this.
Company: "Thank you for coming, do you have any further questions?"
Candidate: "Thank you for inviting me and yes, I do have a couple of questions. I wonder if you could let me know about the remuneration package and promotion prospects? Also, as a relatively new carrier in the Middle East domestic market, what are your growth plans, future destinations etc. and your fleet procurement plans?"