Хах, действительно есть проблема на сайте, если зайти в файл то меню не раскрывается.
Нашёл ошибку в консоли, я если что не знаю фреймворк так хорошо, чтобы помочь в этом.
root_framework.js.75932c07d006e5f719a5aae4bf42a6a2.js?v=4e52a1ea3c:214 Uncaught TypeError: Cannot read property 'getBoundingClientRect' of undefined
at _checkNav (root_framework.js.75932c07d006e5f719a5aae4bf42a6a2.js?v=4e52a1ea3c:214)
at init (root_framework.js.75932c07d006e5f719a5aae4bf42a6a2.js?v=4e52a1ea3c:188)
at carouselObj (root_framework.js.75932c07d006e5f719a5aae4bf42a6a2.js?v=4e52a1ea3c:215)
at Object.respond (root_framework.js.75932c07d006e5f719a5aae4bf42a6a2.js?v=4e52a1ea3c:185)
at _callWidget (root_framework.js.75932c07d006e5f719a5aae4bf42a6a2.js?v=4e52a1ea3c:74)
at HTMLDivElement.<anonymous> (root_framework.js.75932c07d006e5f719a5aae4bf42a6a2.js?v=4e52a1ea3c:72)
at Function.each (root_library.js.726bed030e61be9422f062c1e256d1d4.js?v=4e52a1ea3c:2)
at n.fn.init.each (root_library.js.726bed030e61be9422f062c1e256d1d4.js?v=4e52a1ea3c:2)
at _doImmediateWidgets (root_framework.js.75932c07d006e5f719a5aae4bf42a6a2.js?v=4e52a1ea3c:72)
at _initializeWidgets (root_framework.js.75932c07d006e5f719a5aae4bf42a6a2.js?v=4e52a1ea3c:71)
_checkNav @ root_framework.js.75932c07d006e5f719a5aae4bf42a6a2.js?v=4e52a1ea3c:214
init @ root_framework.js.75932c07d006e5f719a5aae4bf42a6a2.js?v=4e52a1ea3c:188
carouselObj @ root_framework.js.75932c07d006e5f719a5aae4bf42a6a2.js?v=4e52a1ea3c:215
respond @ root_framework.js.75932c07d006e5f719a5aae4bf42a6a2.js?v=4e52a1ea3c:185
_callWidget @ root_framework.js.75932c07d006e5f719a5aae4bf42a6a2.js?v=4e52a1ea3c:74
(anonymous) @ root_framework.js.75932c07d006e5f719a5aae4bf42a6a2.js?v=4e52a1ea3c:72
each @ root_library.js.726bed030e61be9422f062c1e256d1d4.js?v=4e52a1ea3c:2
each @ root_library.js.726bed030e61be9422f062c1e256d1d4.js?v=4e52a1ea3c:2
_doImmediateWidgets @ root_framework.js.75932c07d006e5f719a5aae4bf42a6a2.js?v=4e52a1ea3c:72
_initializeWidgets @ root_framework.js.75932c07d006e5f719a5aae4bf42a6a2.js?v=4e52a1ea3c:71
init @ root_framework.js.75932c07d006e5f719a5aae4bf42a6a2.js?v=4e52a1ea3c:82
(anonymous) @ root_library.js.726bed030e61be9422f062c1e256d1d4.js?v=4e52a1ea3c:34
i @ root_library.js.726bed030e61be9422f062c1e256d1d4.js?v=4e52a1ea3c:2
fireWith @ root_library.js.726bed030e61be9422f062c1e256d1d4.js?v=4e52a1ea3c:2
ready @ root_library.js.726bed030e61be9422f062c1e256d1d4.js?v=4e52a1ea3c:2
J @ root_library.js.726bed030e61be9422f062c1e256d1d4.js?v=4e52a1ea3c:2