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(container || document).querySelector(selector) : selector || null;\n}\n\n/**\n * Select and return an array of elements\n */\nCore.$$ = function(selector, container) {\n\treturn typeof selector === \"string\"? (container || document).querySelectorAll(selector) : selector || null;\n};\n\n/**\n * DOM ready callback function\n */\nCore.ready = function(fn) {\n\tdocument.addEventListener(\"DOMContentLoaded\", fn);\n};\n\n/**\n * Scroll to an element\n */\nCore.scrollTo = function(el, options) {\n\tconst offset = !options || options.offset === undefined ? 0 : options.offset;\n\tconst onScreen = !options ||  options.onScreen === undefined ? false : options.onScreen;\n\tconst top = el.getBoundingClientRect().top;\n\n\tif(!onScreen || (top < offset || top > window.innerHeight)) {\n\t\tlet pos = top + Core.scrollTop() - offset;\n\n\t\twindow.scroll({top: pos, left: 0, behavior: \"smooth\"});\n\t}\n};\n\n/**\n * Get the distance in pixels to the top of the page\n */\nCore.scrollTop = function() {\n\treturn document.documentElement.scrollTop || document.body.scrollTop;\n};\n\n/**\n * Get the index of an element within its parent\n */\nCore.index = function(el) {\n\tlet index = 0;\n\n\twhile(el = el.previousElementSibling) {\n\t\tindex++;\n    }\n\n\treturn index;\n};\n\n/**\n * Triggers an event on an element\n */\nCore.trigger = function(el, name) {\n\tconst event = document.createEvent(\"HTMLEvents\");\n\tevent.initEvent(name, true, false);\n\tel.dispatchEvent(event);\n};\n\n/**\n * Animate an element using css transitions\n */\nCore.animate = function(el, duration, props) {\n\tconst old = el.style.transition;\n\tlet transition = \"\";\n\tlet count = 0;\n\tlet counter = 0;\n\tconst easing = props.ease || \"linear\";\n\tconst delay = props.delay || 0;\n\tconst complete = props.complete || null;\n\n\tfor(let key in props) {\n\t\tif(key == \"ease\" || key == \"delay\" || key == \"complete\") {\n\t\t\tdelete props[key];\n\t\t\tcontinue;\n\t\t}\n\n\t\tconst str = key.replace(/([a-z])([A-Z])/g, \"$1-$2\");\n\t\tconst tmp = str.toLowerCase() + \" \" + duration + \"s \" + easing + \" \" + delay + \"s, \";\n\n\t\ttransition += tmp;\n\t\tcount++;\n\t}\n\n\tel.style.transition = transition.substring(0, transition.length - 2);\n\n\tfor(let key in props) {\n\t\tconst str = key.replace(/([a-z])([A-Z])/g, \"$1-$2\");\n\n\t\tel.style[key] = props[key];\n\t}\n\n\tel.addEventListener(\"transitionend\", end);\n\n\tconst t = setTimeout(end2, duration * 1000 + delay * 1000 + 50);\n\n\tfunction end(e) {\n\t\tif(++counter < count || e.target != e.currentTarget) {\n\t\t\treturn false;\n\t\t}\n\n\t\tclearTimeout(t);\n\t\tcounter = 0;\n\t\tend2();\n\t}\n\n\tfunction end2() {\n\t\tel.removeEventListener(\"transitionend\", end);\n\t\tel.style.transition = old;\n\n\t\tif(complete) {\n\t\t\tcomplete.call();\n\t\t}\n\t}\n};\n\n/**\n * Show or hide an element with a slide animation\n */\nCore.slideToggle = function(el, complete) {\n\n\tlet height = el.offsetHeight;\n\tlet padding = parseInt(getComputedStyle(el)[\"padding-top\"], 10) + parseInt(getComputedStyle(el)[\"padding-bottom\"], 10);\n\n\t// Slide up\n\tif(height - padding > 0) {\n\t\tel.style.height = height + \"px\";\n\n\t\tvoid el.offsetWidth;\n\n\t\tel.style.height = \"0\";\n\t\tel.addEventListener(\"transitionend\", onEndHide);\n\t}\n\t// Slide down\n\telse {\n\t\tel.style.height = \"auto\";\n\t\theight = el.offsetHeight;\n\t\tel.style.height = \"0\";\n\t\tel.style.visibility = \"visible\";\n\n\t\tvoid el.offsetWidth;\n\n\t\tel.style.height = height + \"px\";\n\t\tel.addEventListener(\"transitionend\", onEndShow);\n\t}\n\n\tfunction onEndHide() {\n\t\tel.style.visibility = \"hidden\";\n\n\t\tel.removeEventListener(\"transitionend\", onEndHide);\n\n\t\tif(complete) {\n\t\t\tcomplete();\n\t\t}\n\t}\n\n\tfunction onEndShow() {\n\t\tif(el.offsetHeight - padding > 0) {\n\t\t\tel.style.height = \"auto\";\n\t\t}\n\n\t\tel.removeEventListener(\"transitionend\", onEndShow);\n\n\t\tif(complete) {\n\t\t\tcomplete();\n\t\t}\n\t}\n};\n\n/**\n * Trap focus inside an element\n */\nCore.trapFocus = function(el) {\n\tlet focusableElements = [].slice.call(el.querySelectorAll(\"button, [href], input, select, textarea, [tabindex='0']\"));\n\tfocusableElements = focusableElements.filter(item => item.getAttribute(\"tabindex\") != \"-1\");\n\n\tconst firstFocusableElement = focusableElements[0];\n\tconst lastFocusableElement = focusableElements[focusableElements.length - 1];\n\n\tel.addEventListener(\"keydown\", function(e) {\n\t\tvar key = e.which || e.keyCode;\n\n\t\tif(key != 9) {\n\t\t\treturn;\n\t\t}\n\n\t\tif(e.shiftKey) {\n\t\t\tif(document.activeElement === firstFocusableElement) {\n\t\t\t\tlastFocusableElement.focus();\n\t\t\t\te.preventDefault();\n\t\t\t}\n\t\t} else {\n\t\t\tif(document.activeElement === lastFocusableElement) {\n\t\t\t\tfirstFocusableElement.focus();\n\t\t\t\te.preventDefault();\n\t\t\t}\n\t\t}\n\t});\n}\n\n// Add global shortcuts $ and $$\nif(!(typeof $ != \"undefined\")) {\n\tvar $ = Core;\n}\n\nconst $$ = Core.$$;\n\nclass Header {\n\n\tconstructor(el) {\n\t\tthis.el = el;\n\n\t\tthis.build();\n\t}\n\n\t/*\n\t * Build the header\n\t */\n\tbuild() {\n\t\tconst options = {\n\t\t\trootMargin: \"2px 0px 0px 0px\"\n\t\t};\n\n\t\tconst observer = new IntersectionObserver(entries => {\n\t\t\tentries.forEach(item => {\n\t\t\t\tif(item.isIntersecting) {\n\t\t\t\t\tthis.el.classList.remove(\"small\");\n\t\t\t\t} else {\n\t\t\t\t\tthis.el.classList.add(\"small\");\n\t\t\t\t}\n\t\t\t});\n\t\t}, options);\n\n\t\tobserver.observe(this.el);\n\t}\n}\n\nclass Navigation {\n\n\tconstructor(el) {\n\t\tthis.el = el;\n\t\tthis.parentIsLink = true;\n\t\tthis.toggleButton = document.querySelector(\"#nav-button\");\n\t\tthis.touched = false;\n\t\tthis.navOpen = false;\n\n\t\tthis.build();\n\t}\n\n\t/**\n\t * Build the navigation\n\t */\n\tbuild() {\n\t\t// Menu button\n\t\tthis.toggleButton.addEventListener(\"click\", e => {\n\t\t\tif(!this.isMobileNavOpen()) {\n\t\t\t\tthis.open();\n\t\t\t}\n\t\t\telse {\n\t\t\t\tthis.close();\n\t\t\t}\n\t\t});\n\n\t\t// Close\n\t\tdocument.body.addEventListener(\"click\", e => {\n\t\t\tif(!this.el.contains(e.target) && this.isMobileNavOpen()) {\n\t\t\t\tthis.close();\n\t\t\t}\n\t\t});\n\n\t\t// Esc key\n\t\tthis.el.addEventListener(\"keydown\", e => {\n\t\t\tlet key = e.which || e.keyCode;\n\n\t\t\tif(key == 27) {\n\t\t\t\t// Close sub nav\n\t\t\t\tif(!this.isMobileNavOpen()) {\n\t\t\t\t\tthis.el.querySelectorAll(\".subnav-button\").forEach(item => {\n\t\t\t\t\t\titem.classList.remove(\"active\");\n\t\t\t\t\t});\n\n\t\t\t\t\tthis.el.querySelectorAll(\"ul\").forEach(item => {\n\t\t\t\t\t\titem.classList.remove(\"active\");\n\t\t\t\t\t});\n\t\t\t\t}\n\n\t\t\t\t// Close mobile nav\n\t\t\t\tthis.close();\n\t\t\t}\n\t\t});\n\n\t\t// Remove transition when animation complete\n\t\tthis.el.addEventListener(\"transitionend\", e => {\n\t\t\tif(e.target == this.el.querySelector(\"div\") && e.propertyName == \"transform\") {\n\t\t\t\tdocument.documentElement.classList.remove(\"nav-open-transition\");\n\t\t\t}\n\t\t});\n\n\t\t// Add events to parent items\n\t\tthis.el.querySelectorAll(\".menu-item-has-children\").forEach(i => {\n\t\t\ti.querySelector(\"a\").insertAdjacentHTML(\"afterend\", '<button class=\"subnav-button\" aria-label=\"Open sub-menu\"><svg width=\"12\" height=\"8\" viewBox=\"0 0 12 8\" xmlns=\"http://www.w3.org/2000/svg\"><path d=\"M6.748 6.748a1.052 1.052 0 01-1.496 0L.31 1.808A1.059 1.059 0 011.722.24L1.8.31 6 4.505 10.193.31a1.059 1.059 0 011.567 1.411l-.07.078\" fill=\"#000\" fill-rule=\"nonzero\"/></svg></button>');\n\n\t\t\tconst subnavButton = i.querySelector(\".subnav-button\");\n\n\t\t\t// Subnav button\n\t\t\tsubnavButton.addEventListener(\"click\", e => {\n\t\t\t\te.stopPropagation();\n\n\t\t\t\t// if(!i.querySelector(\"ul\").classList.contains(\"active\")) {\n\t\t\t\t// \tthis.el.querySelectorAll(\".menu-item-has-children ul\").forEach(list => {\n\t\t\t\t// \t\tlist.classList.remove(\"active\");\n\t\t\t\t// \t});\n\t\t\t\t// }\n\t\t\t\tthis.toggleChildren(i, e.currentTarget);\n\n\t\t\t\tif(!this.isMobileNavOpen()) {\n\t\t\t\t\tif(i.querySelector(\"ul\").classList.contains(\"active\")) {\n\t\t\t\t\t\tthis.touched = true;\n\t\t\t\t\t\tthis.checkSubNavPosition(i);\n\t\t\t\t\t}\n\t\t\t\t\telse {\n\t\t\t\t\t\tthis.touched = false;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t});\n\n\t\t\tsubnavButton.setAttribute(\"aria-expanded\", false);\n\n\t\t\t// Touch support for hover menu\n\t\t\ti.addEventListener(\"touchstart\", e => {\n\t\t\t\te.stopPropagation();\n\n\t\t\t\tif(!i.closest(\".hover\")) {\n\t\t\t\t\tthis.clearSubNav();\n\t\t\t\t}\n\n\t\t\t\tif(!this.isMobileNavOpen()) {\n\t\t\t\t\tif(!this.touched || !i.classList.contains(\"hover\")) {\n\t\t\t\t\t\te.preventDefault();\n\t\t\t\t\t}\n\n\t\t\t\t\tif(!i.classList.contains(\"hover\")) {\n\t\t\t\t\t\ti.classList.add(\"hover\");\n\t\t\t\t\t\tthis.touched = true;\n\t\t\t\t\t\tthis.checkSubNavPosition(i);\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t});\n\n\t\t\ti.addEventListener(\"mouseenter\", e => {\n\t\t\t\tif(!this.isMobileNavOpen()) {\n\t\t\t\t\tif(!this.touched) {\n\t\t\t\t\t\tthis.checkSubNavPosition(i);\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t});\n\n\t\t\ti.addEventListener(\"mouseleave\", e => {\n\t\t\t\tconst ul = i.querySelector(\"ul\");\n\n\t\t\t\tif(!this.isMobileNavOpen()) {\n\t\t\t\t\ti.classList.remove(\"hover\");\n\t\t\t\t\tul.classList.remove(\"left\");\n\t\t\t\t\tul.classList.remove(\"right\");\n\t\t\t\t\tul.classList.remove(\"active\");\n\t\t\t\t}\n\t\t\t});\n\t\t});\n\n\t\t// Close all when touched outside\n\t\tdocument.addEventListener(\"touchstart\", e => {\n\t\t\tif(!this.el.contains(e.target)) {\n\t\t\t\tthis.clearSubNav();\n\t\t\t}\n\t\t});\n\n\t\t// Show active menu on page load\n\t\tthis.el.querySelectorAll(\".current-page-ancestor > ul\").forEach(item => {\n\t\t\tconst button = item.parentNode.querySelector(\".subnav-button\");\n\n\t\t\titem.classList.toggle(\"active-mobile\");\n\t\t\tbutton.classList.add(\"active\");\n\t\t\tbutton.setAttribute(\"aria-expanded\", button.classList.contains(\"active\"));\n\t\t});\n\t}\n\n\t/**\n\t * Check if mobile nav is open\n\t */\n\tisMobileNavOpen() {\n\t\treturn document.documentElement.classList.contains(\"nav-open\") && this.toggleButton.offsetParent;\n\t}\n\n\t/**\n\t * Hide the floating sub nav\n\t */\n\tclearSubNav() {\n\t\tthis.el.querySelectorAll(\".menu-item-has-children\").forEach(item => {\n\t\t\titem.classList.remove(\"hover\");\n\t\t});\n\n\t\tthis.touched = false;\n\t}\n\n\t/**\n\t * Check if the sub nav is out of bounds\n\t */\n\tcheckSubNavPosition(el) {\n\t\tconst ul = el.querySelector(\"ul\");\n\t\tconst pos = ul.getBoundingClientRect().left;\n\t\tconst margin = 10;\n\n\t\tif(pos + ul.offsetWidth > window.innerWidth - margin) {\n\t\t\tul.classList.add(\"right\");\n\t\t}\n\n\t\tif(pos < margin) {\n\t\t\tul.classList.add(\"left\");\n\t\t}\n\t}\n\n\t/**\n\t * Open the mobile nav\n\t */\n\topen() {\n\t\tdocument.documentElement.classList.add(\"nav-open\");\n\t\tdocument.documentElement.classList.add(\"nav-open-transition\");\n\n\t\tthis.el.querySelector(\"div\").scrollTop = 0;\n\t\tthis.toggleButton.setAttribute(\"aria-expanded\", true);\n\t\tthis.navOpen = true;\n\t}\n\n\t/**\n\t * Close the mobile nav\n\t */\n\tclose() {\n\t\tdocument.documentElement.classList.remove(\"nav-open\");\n\t\tdocument.documentElement.classList.add(\"nav-open-transition\");\n\n\t\tthis.toggleButton.setAttribute(\"aria-expanded\", false);\n\t\tthis.navOpen = false;\n\t}\n\n\t/**\n\t * Toggle the sub nav\n\t */\n\ttoggleChildren(item, button) {\n\t\t// Toggle with animation\n\t\tif(this.isMobileNavOpen()) {\n\t\t\tCore.slideToggle(item.querySelector(\"ul\"), () => {\n\t\t\t\tif(item.querySelector(\"ul\").style.visibility == \"hidden\") {\n\t\t\t\t\t// item.classList.remove(\"hover\");\n\t\t\t\t\tbutton.classList.remove(\"active\");\n\t\t\t\t}\n\t\t\t\telse {\n\t\t\t\t\t// item.classList.add(\"hover\");\n\t\t\t\t\tbutton.classList.add(\"active\");\n\t\t\t\t}\n\t\t\t});\n\t\t}\n\t\telse {\n\t\t\titem.querySelector(\"ul\").classList.toggle(\"active\");\n\t\t}\n\n\t\t// Toggle without animation\n\t\t// item.querySelector(\"ul\").classList.toggle(\"active\");\n\n\t\t// item.classList.toggle(\"hover\");\n\t\tbutton.classList.toggle(\"active\");\n\t\tbutton.setAttribute(\"aria-expanded\", button.classList.contains(\"active\"));\n\t}\n}\n\nclass App {\n\n\tconstructor(queue) {\n\t\tthis.isReady = false;\n\t\tthis.readyQueue = queue;\n\n\t\tthis.init();\n\t}\n\n\t/**\n\t * Initialize app when DOM ready\n\t */\n\tinit() {\n\t\tCore.ready(() => {\n\t\t\tthis.isReady = true;\n\t\t\tthis.start();\n\t\t\tthis.processQueue();\n\t\t});\n\t}\n\n\t/**\n\t * Add function to the ready queue\n\t */\n\tready(fn) {\n\t\tif(this.isReady) {\n\t\t\tfn();\n\t\t} else {\n\t\t\tthis.readyQueue.push(fn);\n\t\t}\n\t}\n\n\t/**\n\t * Process the ready queue\n\t */\n\tprocessQueue() {\n\t\twhile(this.readyQueue.length) {\n\t\t\tthis.readyQueue.shift()();\n\t\t}\n\t}\n\n\t/**\n\t * App entry point\n\t */\n\tstart() {\n\t\t// Focus visible\n\t\tthis.focusVisible();\n\n\t\t// Header\n\t\tnew Header(document.querySelector(\"#header\"));\n\n\t\t// Navigation\n\t\tnew Navigation(document.querySelector(\"#navigation\"));\n\t}\n\n\t/**\n\t * Add focus outline to buttons only when keyboard-focused\n\t */\n\tfocusVisible() {\n\t\tdocument.documentElement.classList.add(\"focus-visible\");\n\n\t\tconst onBlur = e => {\n\t\t\te.target.classList.remove(\"focus-visible\");\n\t\t};\n\n\t\tdocument.body.addEventListener(\"keyup\", e => {\n\t\t\tvar key = e.which || e.keyCode;\n\n\t\t\tif(key === 9) {\n\t\t\t\tconst activeElement = document.activeElement;\n\n\t\t\t\tif(!activeElement.classList.contains(\"focus-visible\")) {\n\t\t\t\t\tactiveElement.classList.add(\"focus-visible\");\n\t\t\t\t\tactiveElement.addEventListener(\"blur\", onBlur);\n\t\t\t\t}\n\t\t\t}\n\t\t});\n\t}\n}\n\napp = new App(app.queue);\n"]}