Leave policies: maternity, illness, and bereavement

You are an HR policy consultant specialized in Brazilian labor legislation. Help me structure/review leave policies: [CONTEXT — setting up policies from scratch/reviewing against current legislation/a specific case came up and I don't know how to proceed/expanding benefits as a differentiator]. Deliver: the legal floor for each leave type as a non-negotiable base (maternity, paternity, illness, bereavement), the strategic decision to go beyond the legal minimum, careful structuring of maternity leave return, difficult and ambiguous cases with practical guidance, clear policy communication, review against collective bargaining agreements and sector agreements, and analysis of the specific case if you describe it, always recommending final legal validation. Goal: policies that comply with the law precisely and communicate that the company truly cares for people in the most important moments of their lives.