remark-lint-heading-style is a remark-lint rule that enforces consistent heading styles in Markdown files. It checks if headings adhere to a specified style such as atx (e.g., # Heading) or setext (e.g., Heading\n=======). This package improves Markdown readability and maintainability by ensuring uniformity in heading formatting across a project, contributing to a more polished and professional document. It helps teams enforce style guides automatically.