… and the lead charachers is maybe named sandro but not sure

I saw it two years aog, dont remember if it was english language movie maybe even not because i remember that the core of the action was in brazil, a so it on hbo go so it is a movie, it was in color, lead guy had nice hair style they had silver astronauts suits to time travel he was entering some kind of machine, there was some girl that he went to in past, to her concerts for some holiday to say something important about future he had a friend that i think went with him, please help me i searched all the web and imdb