Curufin grins back and waits for a response.

"I had hoped people might think my imaginary outfit is hot. Maybe someday it won't be imaginary, and I'll get to test my theory of red and black as inherently sizzling." No need for Inigo to blush! Curufin gets it, Inigo was merely giving a compliment, not hitting on him. No hard feelings, and the compliment is welcome.