Alexander
051b1fa931
- Reduce header height to 3rem with CSS variable --header-h - Scale logo via --symbol-size variable, decrease nav link font sizes - Replace JS-driven sidebar toggle with checkbox hack (:has selector) - Separate drop shadow into own element for correct z-index layering (top bar > sidebar > shadow) - Bottom-align mobile nav links via ::before flex spacer - Slide-in transition scoped to :has(:checked) to prevent resize artifacts
366 lines
8.3 KiB
Svelte
366 lines
8.3 KiB
Svelte
<script lang="ts">
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import { onMount } from "svelte";
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import { page } from '$app/stores';
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import Symbol from "./Symbol.svelte"
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import type { Snippet } from 'svelte';
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let {
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links,
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language_selector_mobile,
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language_selector_desktop,
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right_side,
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children
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}: {
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links?: Snippet;
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language_selector_mobile?: Snippet;
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language_selector_desktop?: Snippet;
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right_side?: Snippet;
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children?: Snippet;
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} = $props();
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let underlineLeft = $state(0);
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let underlineWidth = $state(0);
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let disableTransition = $state(false);
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function toggle_sidebar(state){
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const checkbox = document.getElementById('nav-toggle')
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if(state === undefined) checkbox.checked = !checkbox.checked
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else checkbox.checked = !state
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}
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function updateUnderline() {
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const activeLink = document.querySelector('.site_header a.active');
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const linksWrapper = document.querySelector('.links-wrapper');
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if (activeLink && linksWrapper) {
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const wrapperRect = linksWrapper.getBoundingClientRect();
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const linkRect = activeLink.getBoundingClientRect();
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// Get computed padding to exclude from width and adjust position
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const computedStyle = window.getComputedStyle(activeLink);
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const paddingLeft = parseFloat(computedStyle.paddingLeft);
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const paddingRight = parseFloat(computedStyle.paddingRight);
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underlineLeft = linkRect.left - wrapperRect.left + paddingLeft;
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underlineWidth = linkRect.width - paddingLeft - paddingRight;
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} else {
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underlineWidth = 0;
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}
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}
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// Update underline when page changes
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$effect(() => {
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$page.url.pathname; // Subscribe to pathname changes
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// Use setTimeout to ensure DOM has updated
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setTimeout(updateUnderline, 0);
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});
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onMount( () => {
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const link_els = document.querySelectorAll("nav a")
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link_els.forEach((el) => {
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el.addEventListener("click", () => {toggle_sidebar(true)});
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})
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// Initialize underline position
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updateUnderline();
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// Update underline on resize, with transition disabled
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let resizeTimer;
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function handleResize() {
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disableTransition = true;
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updateUnderline(); // Update immediately to prevent lag
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clearTimeout(resizeTimer);
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resizeTimer = setTimeout(() => {
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// Re-enable transition after resize has settled
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disableTransition = false;
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}, 150);
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}
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window.addEventListener('resize', handleResize);
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return () => {
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window.removeEventListener('resize', handleResize);
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clearTimeout(resizeTimer);
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};
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})
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</script>
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<style>
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nav{
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position: sticky;
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background-color: var(--nord0);
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top: 0;
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z-index: 10;
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display: flex;
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flex-direction: row;
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justify-content: space-between !important;
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align-items: center;
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box-shadow: 0 1em 1rem 0rem rgba(0,0,0,0.4);
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height: var(--header-h);
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padding-left: 0.5rem;
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}
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.nav-toggle{
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display: none;
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}
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:global(.site_header li),
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:global(a.entry)
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{
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list-style-type:none;
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transition: color 100ms;
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color: white;
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user-select: none;
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}
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:global(.site_header li>a)
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{
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text-decoration: none;
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font-size: 1rem;
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color: inherit;
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border-radius: var(--radius-pill);
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padding: 0.4rem 0.6rem;
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}
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:global(a.entry),
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:global(a.entry:link),
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:global(a.entry:visited)
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{
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text-decoration: none;
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font-size: 1rem;
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color: white !important;
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border-radius: var(--radius-pill);
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padding: 0.4rem 0.6rem;
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}
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:global(.site_header li:hover),
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:global(.site_header li:focus-within),
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:global(.site_header li:has(a.active)),
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:global(a.entry:hover),
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:global(a.entry:focus-visible),
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:global(a.entry:link:hover),
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:global(a.entry:visited:hover),
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:global(a.entry:visited:focus-visible)
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{
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cursor: pointer;
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color: var(--nord8) !important;
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}
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:global(.site_header) {
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padding-block: 1.5rem;
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display: flex;
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flex-direction: row;
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gap: 0.5rem;
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justify-content: space-evenly;
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max-width: 1000px;
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margin: 0;
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margin-inline: auto;
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}
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.links-wrapper {
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position: relative;
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flex: 1;
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}
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.active-underline {
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position: absolute;
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bottom: 1.2rem;
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height: 2px;
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background-color: var(--nord8);
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transition: left 300ms ease-out, width 300ms ease-out;
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pointer-events: none;
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}
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.active-underline.no-transition {
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transition: none;
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}
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.nav_button{
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display: none;
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}
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.button_wrapper{
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display: none;
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padding-inline: 0.5rem;
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}
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.header-shadow{
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display: none;
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}
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.right-buttons{
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display: flex;
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align-items: center;
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gap: 0.5rem;
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}
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.header-right{
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display: flex;
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align-items: center;
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gap: 0.5rem;
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}
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:global(svg.symbol){
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--symbol-size: calc(var(--header-h) - 1rem);
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width: var(--symbol-size);
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border-radius: 10000px;
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margin: 0.25rem;
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}
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/*:global(a:has(svg.symbol)){
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padding: 0 !important;
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width: 4rem;
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height: 4rem;
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margin-left: 1rem;
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}*/
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.wrapper{
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--header-h: 3rem;
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--symbol-size: calc(var(--header-h) - 1rem);
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display:flex;
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flex-direction: column;
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min-height: 100svh;
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}
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footer{
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padding-block: 1rem;
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text-align: center;
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margin-top: auto;
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position: relative;
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}
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@media screen and (max-width: 800px) {
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.button_wrapper{
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display: flex;
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justify-content: space-between;
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align-items: center;
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position: sticky;
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background-color: var(--nord0);
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width: 100%;
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height: var(--header-h);
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top: 0;
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z-index: 9999;
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}
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.header-shadow{
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display: block;
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position: sticky;
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top: 0;
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width: 100%;
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height: var(--header-h);
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margin-top: calc(-1 * var(--header-h));
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box-shadow: 0 1em 1rem 0rem rgba(0,0,0,0.4);
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z-index: 9997;
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pointer-events: none;
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}
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.nav_button{
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display: inline-flex;
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align-items: center;
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justify-content: center;
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fill: white;
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margin-inline: 0.5rem;
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width: 1.25rem;
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height: 1.25rem;
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cursor: pointer;
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}
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.nav_button svg{
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width: 100%;
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height: 100%;
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transition: var(--transition-fast);
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}
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.nav_button:hover,
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.nav_button:active,
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.nav-toggle:focus-visible + .nav_button{
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fill: var(--nord8);
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scale: 0.9;
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}
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.nav_site{
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position: fixed;
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top: 0;
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right: 0;
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height: 100vh; /* dvh does not work, breaks because of transition and only being applied after scroll ends*/
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margin-bottom: 50vh;
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width: min(95svw, 25em);
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z-index: 9998;
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flex-direction: column;
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padding-inline: 0.5rem;
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}
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.nav_site::before{
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content: '';
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flex: 1;
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}
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:global(.nav_site ul){
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width: 100% ;
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}
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.nav_site :first-child{
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display:none;
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}
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.nav_site{
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transform: translateX(100%);
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}
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.wrapper:has(.nav-toggle:checked) .nav_site{
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transform: translateX(0);
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transition: transform 100ms;
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}
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:global(.nav_site a:last-child){
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margin-bottom: 2rem;
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}
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.nav_site .links-wrapper {
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width: 100%;
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padding: 0 2rem;
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}
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:global(.site_header){
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flex-direction: column;
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align-items: flex-start;
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}
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:global(.site_header li, .site_header a){
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font-size: 1.5rem;
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}
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:global(.site_header li > a, .site_header a){
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font-size: 1.3rem;
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}
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:global(.site_header li:hover),
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:global(.site_header li:focus-within){
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transform: unset;
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}
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.nav_site .header-right{
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flex-direction: column;
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position: absolute;
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bottom: 2rem;
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left: 50%;
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transform: translateX(-50%);
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}
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.language-selector-desktop{
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display: none;
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}
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.active-underline {
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display: none;
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}
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:global(.nav_site .site_header a.active) {
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text-decoration: underline;
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text-decoration-color: var(--nord8);
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text-decoration-thickness: 2px;
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text-underline-offset: 0.3rem;
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}
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}
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</style>
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<div class=wrapper lang=de>
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<div>
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<div class=button_wrapper>
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<a href="/" aria-label="Home"><Symbol></Symbol></a>
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<div class="right-buttons">
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{@render language_selector_mobile?.()}
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<input type="checkbox" id="nav-toggle" class="nav-toggle" aria-label="Toggle navigation menu" />
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<label for="nav-toggle" class=nav_button aria-hidden="true"><svg xmlns="http://www.w3.org/2000/svg" height="0.5em" viewBox="0 0 448 512"><!--! Font Awesome Free 6.4.0 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license (Commercial License) Copyright 2023 Fonticons, Inc. --><path d="M0 96C0 78.3 14.3 64 32 64H416c17.7 0 32 14.3 32 32s-14.3 32-32 32H32C14.3 128 0 113.7 0 96zM0 256c0-17.7 14.3-32 32-32H416c17.7 0 32 14.3 32 32s-14.3 32-32 32H32c-17.7 0-32-14.3-32-32zM448 416c0 17.7-14.3 32-32 32H32c-17.7 0-32-14.3-32-32s14.3-32 32-32H416c17.7 0 32 14.3 32 32z"/></svg></label>
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</div>
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</div>
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<div class="header-shadow"></div>
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<nav class=nav_site>
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<a href="/" aria-label="Home"><Symbol></Symbol></a>
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<div class="links-wrapper">
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{@render links?.()}
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<div class="active-underline" class:no-transition={disableTransition} style="left: {underlineLeft}px; width: {underlineWidth}px;"></div>
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</div>
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<div class="header-right">
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<div class="language-selector-desktop">
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{@render language_selector_desktop?.()}
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</div>
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{@render right_side?.()}
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</div>
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</nav>
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<main>
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{@render children?.()}
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</main>
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</div>
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<footer>
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Ad maiorem Dei gloriam
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</footer>
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</div>
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