Actually, Black was much better already, as the e-pawns is a clear (double)weakness.

32.Rdd1 is met by 32…Qa3, attacking both the most backward of the doubled pawns as well as the a2-pawn.

White’s bad bishop was a good defender.

Material is equal again, but the pawn structure still favours Black.

No! White’s king is in the middle, and in big trouble, because castling is impossible in view of mate on g2. Black brings on his reserves.

Without the rook on c7, White’s position clearly looks weaker, and in fact he is just lost. His king is vulnerable and lingering, and the h1-rook is out of play. Black avoided one more pitfall:

And not 28…Qb1+ 29.Kf2 Qxh1, in view of 30.Qf5, winning back material. The text move gains a piece.

White is clearly better. Both his bishops exert significant pressure on the black queenside on neighboring diagonals. Black has great difficulty in continuing his development. The exchange of queens has not brought any relief. The actual game went: