Country's president said measure violated international treaties
Men's attorney says many hurdles remain
Angélica Lozano is married to Bogotá Mayor Claudia López
Plaintiff criticized government 'crusade against same-sex marriage'
Measure also defines family as a man and woman with children
Gabriel Boric's Cabinet has two out members
Vigano alleges that Zelensky promulgates policies to embrace, including gender equality, abortion and the green economy
Two same-sex couples married in country's capital on Thursday
Advocacy groups expressed disappointment over decision
EuroPride fundraiser has raised more than $17,000