Yes, both sentences are correct. 'For' is fine in this context. It's similar to constructions like 'It's unusual for someone to do that' or 'It's common for people to make that mistake.'. 'Have you ...?' is a correct question form. Of the three ways of asking a question with 'have', this is the least common. 'Have you got..?' and 'Do you have...?' are more usual in modern English. 'Have you..?' is a little old-fashioned and formal-sounding, but it is often used when the object of the sentence begins with 'any' or 'no'. For example, 'Have you no shame?' By the way, I love your profile photo. It's a beautiful picture.