Developed a new Promotional Advertisement Section for the MichaelPopov62/project-fs116-01 repository, focusing on delivering cross-device promotional content through clean HTML structure and responsive CSS. The work emphasized front end development best practices, ensuring consistent presentation and usability across both desktop and mobile platforms. By implementing a single-commit delivery approach, the feature was integrated efficiently and with minimal review overhead. No bug fixes were required during this period, as the changes remained within the defined feature scope. This addition laid the foundation for future marketing campaigns and analytics integration, supporting improved promotional reach and faster campaign deployment for the business.