Offer description

I need a lightweight, fully responsive website coded only with vanilla HTML, CSS and JavaScript—no external frameworks, libraries or CMS. The goal is to give me clean, well-commented files that I can later expand with my own content. What I expect • A mobile-first layout that fluidly adapts from small phones to large desktops, tested across the latest versions of Chrome, Safari and Firefox. • Standard sections such as a hero/banner, navigation bar, main content area and footer (feel free to use placeholder text and images for now). • Smooth, unobtrusive JavaScript where necessary—for example, a collapsing menu, simple form validation or a back-to-top button. • All code neatly organised in clear folders (e.g., /css, /js, /images) with a short README ...