Friendship lost?

It was a drunken birthday night and I made a move on my very best friend that night. I absolutely intended nothing as such. And I hardly remember any of it. It was obviously not right as she of course was denying it... But at some point we both went on... Fooling around... But it was I who initiated. She is very close to me and isn't replying to my calls or texts from 2 days. I can't help but feel restless. I can't lose her, at any cost 😢
I don't know what I can do now.