The win in Sicily was Catania's fourth of the campaign and saw them climb off the bottom of the Serie A standings and into 18th place.
"Our season begins now," Maran said to Gazzetta dello Sport.
"We needed this victory.
"But this win should not be an illusion of the difficult task that we face to defend our Serie A status.
"We have a lot of work to do.
"The road is long but we have the means to achieve our aim."
Catania are one place and one point adrift of Livorno, who hold the last position of safety.
The Sicilians take on Chievo in Verona on Sunday looking for their first win on the road this season.