/*! smooth-scroll v12.1.5 | (c) 2017 Chris Ferdinandi | MIT License | http://github.com/cferdinandi/smooth-scroll */
!(function (e, t) { "function" == typeof define && define.amd ? define([], (function () { return t(e) })) : "object" == typeof exports ? module.exports = t(e) : e.SmoothScroll = t(e) })("undefined" != typeof global ? global : "undefined" != typeof window ? window : this, (function (e) { "use strict"; var t = "querySelector" in document && "addEventListener" in e && "requestAnimationFrame" in e && "closest" in e.Element.prototype, n = { ignore: "[data-scroll-ignore]", header: null, speed: 500, offset: 0, easing: "easeInOutCubic", customEasing: null, before: function () { }, after: function () { } }, o = function () { for (var e = {}, t = 0, n = arguments.length; t < n; t++) { var o = arguments[t]; !(function (t) { for (var n in t) t.hasOwnProperty(n) && (e[n] = t[n]) })(o) } return e }, a = function (t) { return parseInt(e.getComputedStyle(t).height, 10) }, r = function (e) { "#" === e.charAt(0) && (e = e.substr(1)); for (var t, n = String(e), o = n.length, a = -1, r = "", i = n.charCodeAt(0); ++a < o;) { if (0 === (t = n.charCodeAt(a))) throw new InvalidCharacterError("Invalid character: the input contains U+0000."); t >= 1 && t <= 31 || 127 == t || 0 === a && t >= 48 && t <= 57 || 1 === a && t >= 48 && t <= 57 && 45 === i ? r += "\\" + t.toString(16) + " " : r += t >= 128 || 45 === t || 95 === t || t >= 48 && t <= 57 || t >= 65 && t <= 90 || t >= 97 && t <= 122 ? n.charAt(a) : "\\" + n.charAt(a) } return "#" + r }, i = function (e, t) { var n; return "easeInQuad" === e.easing && (n = t * t), "easeOutQuad" === e.easing && (n = t * (2 - t)), "easeInOutQuad" === e.easing && (n = t < .5 ? 2 * t * t : (4 - 2 * t) * t - 1), "easeInCubic" === e.easing && (n = t * t * t), "easeOutCubic" === e.easing && (n = --t * t * t + 1), "easeInOutCubic" === e.easing && (n = t < .5 ? 4 * t * t * t : (t - 1) * (2 * t - 2) * (2 * t - 2) + 1), "easeInQuart" === e.easing && (n = t * t * t * t), "easeOutQuart" === e.easing && (n = 1 - --t * t * t * t), "easeInOutQuart" === e.easing && (n = t < .5 ? 8 * t * t * t * t : 1 - 8 * --t * t * t * t), "easeInQuint" === e.easing && (n = t * t * t * t * t), "easeOutQuint" === e.easing && (n = 1 + --t * t * t * t * t), "easeInOutQuint" === e.easing && (n = t < .5 ? 16 * t * t * t * t * t : 1 + 16 * --t * t * t * t * t), e.customEasing && (n = e.customEasing(t)), n || t }, u = function () { return Math.max(document.body.scrollHeight, document.documentElement.scrollHeight, document.body.offsetHeight, document.documentElement.offsetHeight, document.body.clientHeight, document.documentElement.clientHeight) }, c = function (e, t, n) { var o = 0; if (e.offsetParent) do { o += e.offsetTop, e = e.offsetParent } while (e); return o = Math.max(o - t - n, 0) }, s = function (e) { return e ? a(e) + e.offsetTop : 0 }, l = function (t, n, o) { o || (t.focus(), document.activeElement.id !== t.id && (t.setAttribute("tabindex", "-1"), t.focus(), t.style.outline = "none"), e.scrollTo(0, n)) }, f = function (t) { return !!("matchMedia" in e && e.matchMedia("(prefers-reduced-motion)").matches) }; return function (a, d) { var m, h, g, p, v, b, y, S = {}; S.cancelScroll = function () { cancelAnimationFrame(y) }, S.animateScroll = function (t, a, r) { var f = o(m || n, r || {}), d = "[object Number]" === Object.prototype.toString.call(t), h = d || !t.tagName ? null : t; if (d || h) { var g = e.pageYOffset; f.header && !p && (p = document.querySelector(f.header)), v || (v = s(p)); var b, y, E, I = d ? t : c(h, v, parseInt("function" == typeof f.offset ? f.offset() : f.offset, 10)), O = I - g, A = u(), C = 0, w = function (n, o) { var r = e.pageYOffset; if (n == o || r == o || (g < o && e.innerHeight + r) >= A) return S.cancelScroll(), l(t, o, d), f.after(t, a), b = null, !0 }, Q = function (t) { b || (b = t), C += t - b, y = C / parseInt(f.speed, 10), y = y > 1 ? 1 : y, E = g + O * i(f, y), e.scrollTo(0, Math.floor(E)), w(E, I) || (e.requestAnimationFrame(Q), b = t) }; 0 === e.pageYOffset && e.scrollTo(0, 0), f.before(t, a), S.cancelScroll(), e.requestAnimationFrame(Q) } }; var E = function (e) { h && (h.id = h.getAttribute("data-scroll-id"), S.animateScroll(h, g), h = null, g = null) }, I = function (t) { if (!f() && 0 === t.button && !t.metaKey && !t.ctrlKey && (g = t.target.closest(a)) && "a" === g.tagName.toLowerCase() && !t.target.closest(m.ignore) && g.hostname === e.location.hostname && g.pathname === e.location.pathname && /#/.test(g.href)) { var n; try { n = r(decodeURIComponent(g.hash)) } catch (e) { n = r(g.hash) } if ("#" === n) { t.preventDefault(), h = document.body; var o = h.id ? h.id : "smooth-scroll-top"; return h.setAttribute("data-scroll-id", o), h.id = "", void (e.location.hash.substring(1) === o ? E() : e.location.hash = o) } h = document.querySelector(n), h && (h.setAttribute("data-scroll-id", h.id), h.id = "", g.hash === e.location.hash && (t.preventDefault(), E())) } }, O = function (e) { b || (b = setTimeout((function () { b = null, v = s(p) }), 66)) }; return S.destroy = function () { m && (document.removeEventListener("click", I, !1), e.removeEventListener("resize", O, !1), S.cancelScroll(), m = null, h = null, g = null, p = null, v = null, b = null, y = null) }, S.init = function (a) { t && (S.destroy(), m = o(n, a || {}), p = m.header ? document.querySelector(m.header) : null, v = s(p), document.addEventListener("click", I, !1), e.addEventListener("hashchange", E, !1), p && e.addEventListener("resize", O, !1)) }, S.init(d), S } }));