Professional Webflow Landing Page Design for App Promotion

I need you to design a Landing Page with Webflow to promote my app. The main goal is to attract as many new users as possible within 1 week. The app type is currently unspecified, please be prepared to adapt the design to various app categories (e.g., Health, finance, education, etc.) Once provided.Key requirements for the landing page: Modern and appealing design aesthetic. Fully mobile-responsive to ensure optimal viewing on all devices. Fast loading speed for an excellent user experience. Ability to seamlessly integrate an app introduction video. We are looking for a freelancer with strong expertise in Webflow. Experience in ux/ui design specifically for webflow projects will be highly valued. The project has a tight deadline of 1 week, so efficiency and quick turnaround are essential.