Team:Tec-Monterrey/T--Tec-Monterrey--main

jQuery(document).ready(function($){ var scrolling = false; var contentSections = $('.cd-section'), verticalNavigation = $('.cd-vertical-nav'), navigationItems = verticalNavigation.find('a'), navTrigger = $('.cd-nav-trigger'), scrollArrow = $('.cd-scroll-down');

$(window).on('scroll', checkScroll);

//smooth scroll to the selected section verticalNavigation.on('click', 'a', function(event){

       event.preventDefault();
       smoothScroll($(this.hash));
       verticalNavigation.removeClass('open');
   });

   //smooth scroll to the second section
   scrollArrow.on('click', function(event){
   	event.preventDefault();
       smoothScroll($(this.hash));
   });

// open navigation if user clicks the .cd-nav-trigger - small devices only

   navTrigger.on('click', function(event){
   	event.preventDefault();
   	verticalNavigation.toggleClass('open');
   });

function checkScroll() { if( !scrolling ) { scrolling = true; (!window.requestAnimationFrame) ? setTimeout(updateSections, 300) : window.requestAnimationFrame(updateSections); } }

function updateSections() { var halfWindowHeight = $(window).height()/2, scrollTop = $(window).scrollTop(); contentSections.each(function(){ var section = $(this), sectionId = section.attr('id'), navigationItem = navigationItems.filter('[href^="#'+ sectionId +'"]'); ( (section.offset().top - halfWindowHeight < scrollTop ) && ( section.offset().top + section.height() - halfWindowHeight > scrollTop) ) ? navigationItem.addClass('active') : navigationItem.removeClass('active'); }); scrolling = false; }

function smoothScroll(target) {

       var scrollToPosition = $(target).offset().top - ($(window).height() * 0.08);
       $('body,html').animate(
       	{'scrollTop': scrollToPosition},
       	300
       );

} });