Add mobile bottom navigation with local Lucide icons and improved accessibility
- Add local Lucide icon system (5 optimized icons) - Create Apple-style bottom navigation bar (fixed at bottom on mobile) - Add language toggle (replaces dropdown selector) - Improve theme support with proper light/dark mode colors - Add comprehensive ARIA labels and semantic HTML - Hide main menu on mobile (≤666px) when bottom nav is active - Add hreflang attributes for language switching Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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3 changed files with 71 additions and 170 deletions
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@ -97,7 +97,7 @@
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--color-backdrop: light-dark(var(--color-black-60), var(--color-black-80));
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/* Mobil menu colours. */
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--color-mobile-menu: light-dark(var(--color-brand-400), var(--color-brand-400));
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--color-mobile-menu: light-dark(var(--color-white), var(--color-brand-400));
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--color-mobile-menu-cover: light-dark(var(--color-black-20), var(--color-black-20));
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/* Form colours. */
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@ -1,142 +1,94 @@
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/* The mobile navigation stylesheet for this theme. */
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@layer mobilemenu {
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.mobile-nav {
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position: absolute;
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.mobile-bottom-nav {
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position: fixed;
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bottom: 0;
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left: 0;
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right: 0;
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top: 0;
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width: 100vw;
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height: 100dvh;
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overflow: hidden;
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font-family: var(--ff-headings);
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z-index: 20;
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pointer-events: none;
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&[data-navopen] {
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position: fixed;
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}
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.language-icon {
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fill: var(--color-text-bg);
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}
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}
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.mobile-nav__cover {
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position: absolute;
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width: 100vw;
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height: 100dvh;
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background-color: var(--color-mobile-menu-cover);
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backdrop-filter: blur(3px);
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opacity: 0;
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[data-navopen] & {
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opacity: 1;
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pointer-events: auto;
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}
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}
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.mobile-nav__toggle {
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display: flex;
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align-items: center;
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position: absolute;
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top: var(--gutters);
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right: var(--gutters);
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padding: 0 0.3rem;
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border-color: var(--color-button-text-hover);
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z-index: 22;
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pointer-events: auto;
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&:hover,
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&:focus-visible,
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&:active {
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svg {
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fill: var(--color-button-text-hover);
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}
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}
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}
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.mobile-nav__hamburger {
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fill: var(--color-button-text);
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width: 1.6rem;
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margin-inline-start: 0.1rem;
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.button--outline & {
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fill: var(--color-button);
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}
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rect {
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transform-origin: center;
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}
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[data-navopen] & {
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rect {
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y: 45px;
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&:nth-of-type(1) {
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transform: rotate(45deg);
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}
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&:nth-of-type(2) {
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opacity: 0;
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}
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&:nth-of-type(3) {
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transform: rotate(-45deg);
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}
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}
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}
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}
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.mobile-nav__sheet {
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visibility: hidden;
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width: 100%;
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background-color: var(--color-mobile-menu);
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width: 90vw;
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height: 100vh;
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padding: 2.25rem;
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transform: translateX(100vw);
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z-index: 21;
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border-top: 1px solid var(--color-border);
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z-index: 20;
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font-family: var(--ff-headings);
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display: none;
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}
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[data-navopen] & {
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visibility: visible;
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pointer-events: auto;
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box-shadow: -10px 0 10px -10px var(--color-nearblack);
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transform: translateX(10vw);
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@media (max-width: 666px) {
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.mobile-bottom-nav {
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display: block;
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}
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body {
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padding-bottom: 5rem;
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}
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}
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.mobile-nav__region {
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&:not(:empty) {
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margin-block-end: 0.5rem;
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}
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.mobile-bottom-nav__list {
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display: flex;
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flex-direction: row;
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justify-content: space-around;
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align-items: center;
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padding: 0;
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margin: 0;
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height: 5rem;
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list-style: none;
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}
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.mobile-nav__navbar {
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.mobile-bottom-nav__item {
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list-style: none;
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flex: 1;
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display: flex;
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justify-content: center;
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height: 100%;
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}
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.mobile-bottom-nav__link {
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display: flex;
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flex-direction: column;
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padding-inline-start: 0;
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margin-block: 0;
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align-items: center;
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justify-content: center;
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gap: 0.25rem;
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padding: 0.5rem;
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color: light-dark(var(--color-black), var(--color-grey-300));
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background: none;
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border: none;
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cursor: pointer;
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text-decoration: none;
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font-size: 0.7rem;
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font-weight: 500;
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transition: color 150ms ease;
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width: 100%;
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height: 100%;
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li {
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list-style: none;
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.icon {
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width: 1.5rem;
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height: 1.5rem;
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flex-shrink: 0;
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display: block;
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color: inherit;
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}
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a {
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display: inline-block;
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padding-block: 0.5rem;
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&:hover,
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&:focus-visible {
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color: light-dark(var(--color-black), var(--color-white));
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outline: none;
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}
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&[aria-current="page"] {
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color: var(--color-link);
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font-weight: 600;
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}
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}
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.mobile-nav__cover,
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.mobile-nav__toggle,
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.mobile-nav__hamburger > rect,
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.mobile-nav__sheet {
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/* Add some transitions unless user prefer less motion. */
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@media (prefers-reduced-motion: no-preference) {
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transition: all 130ms ease-in;
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[data-navopen] & {
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transition: all 330ms ease-out;
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}
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}
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.mobile-bottom-nav__label {
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display: block;
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line-height: 1;
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}
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}
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@ -1,67 +1,16 @@
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/**
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* @file
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* A JavaScript file for the mobile menu.
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* A JavaScript file for the mobile bottom navigation menu.
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*/
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(function () {
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// Hide the main menu on small screens
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const main_menu = document.querySelector('.main-menu');
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const header_region = document.querySelector('.header__region');
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const nav = document.querySelector('.mobile-nav');
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const sheet = document.querySelector('.mobile-nav__sheet');
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const toggle = document.querySelector('.mobile-nav__toggle');
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// Switch to mobil menu on small screens.
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// The mobile menu depends on js so we use js to activate it.
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const small_screen = window.matchMedia('(max-width: 666px)').matches;
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if (small_screen) {
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main_menu.hidden = true;
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header_region.hidden = true;
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nav.hidden = false;
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}
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function navopen() {
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nav.dataset.navopen = 'true';
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sheet.setAttribute('aria-hidden', 'false');
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toggle.setAttribute('aria-expanded', 'true');
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document.body.addEventListener('keydown', closeonesc);
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}
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function navclose() {
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delete nav.dataset.navopen;
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sheet.setAttribute('aria-hidden', 'true');
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toggle.setAttribute('aria-expanded', 'false');
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document.body.removeEventListener('keydown', closeonesc);
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}
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// Close the nav sheet with "esc" key.
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function closeonesc(e) {
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if (e.key === 'Escape') {
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navclose();
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}
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}
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// Toggle the mobile nav sheet.
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const toggles = document.querySelectorAll('.mobile-nav__cover, .mobile-nav__toggle');
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toggles.forEach(function (toggle) {
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toggle.addEventListener('click', function (e) {
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e.preventDefault();
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if (nav.dataset.navopen) {
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navclose();
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} else {
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navopen();
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}
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});
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});
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// Close the nav sheet after click (needed for anchor links).
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const links = document.querySelectorAll('.mobile-nav__sheet a');
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links.forEach(function (link) {
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link.addEventListener('click', () => navclose());
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});
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// Move focus back to button efter user tab out of last link.
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if (links.length) {
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const lastlink = [].slice.call(links).pop();
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lastlink.addEventListener('blur', () => toggle.focus());
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if (main_menu) main_menu.hidden = true;
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if (header_region) header_region.hidden = true;
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}
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})();
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