ASTRHOST is a WHMCS & HTML template for web hosting and domain registration. Clean, responsive and modern design based on the Bootstrap 3.x framework and works great on smartphones, tablets and desktops. This template has 13 pages. They meet all your requirements. Even if you want more, you can easily change everything for yourself. You will get a multi-page template and a whmcs template compatible with version 7.6.1 and older.
Demo: