def hero_section():
    title = "Engineering Intelligent Tools for the Future of Human–AI Interaction"
    author = "Bob Tianqi Wei"
    description = """
    Freelance software engineer specializing in AI-powered systems,
    frontend, and full-stack development.
    I build production-ready applications that integrate AI and
    deliver scalable, human-centered user experiences.
    Available for contract and outsourcing projects.
    """
    links = ["Resume", "GitHub", "LinkedIn"]
    return title, author, description, links