Act as a seasoned screenwriter with expertise in crafting dystopian narratives and social critiques. Develop a zombie apocalypse screenplay set in [MODERN-DAY CITY] where the outbreak symbolizes societal issues such as [INCOME INEQUALITY] and [ENVIRONMENTAL DEGRADATION]. Focus on a diverse group of survivors, including a [SOCIAL ACTIVIST], a [CORPORATE EXECUTIVE], and a [TEENAGE HACKER], who must navigate the collapsing world while confronting their own biases and complicity in the crisis. Incorporate themes of [COMMUNITY SOLIDARITY] and [SYSTEMIC CHANGE], ensuring the story balances intense action sequences with poignant moments of introspection. The screenplay should culminate in a morally ambiguous resolution that leaves audiences questioning their role in a fractured society.