HR asking me if I'd be comfortable/ flexible working nightshifts

Had applied for a job posting on a job portal and received a call from HR today asking about my expectations and my availability/ feasibility to work night shifts. When I enquired about the working hours, they stated it being 11-8pm but they get extended alot during project deadlines which I'm assuming would be quite often. They're a studio working with films and ads located in Andheri near the yellow line metro so even though the commute itself isn't an issue, i really don't know how to go about this, considering I don't know how late the workshifts might be extended for. I've been freelancing all these years so technically it'd be my first job so the salary negotiation also feels tricky. Living with my family too. Is it ideal to work in this setup, I'll be visiting their studio tomorrow for a test/interview. Any tips on navigating through this?