Create responsive menu according to existing mockups.
The menu should be responsive and have scrollspy function.
The css manipulations should be done using LESS.
The code should be clean and well commented.
The menu should work perfect on mobile devices and should respond well to touch gestures (ideally the contractor should test touch gestures on mobile device).
There will be different layouts of menu for desktop and mobile devices and for different screen sizes.
The code should be written from scratch (copying existing solutions not allowed) and should not be (re)distributed or copied or used in another projects without customer permission.
The contractor should have a portfolio.
The work should be done asap.