Peter Meier
414 lines
19 KiB
Svelte
414 lines
19 KiB
Svelte
<script lang="ts">
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import "$lib/iconify-offline";
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import { slide } from "svelte/transition";
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import Icon from "@iconify/svelte";
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import Search from "./Search.svelte";
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import { overlayOpen, overlayClose } from "$lib/overlay-store";
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import { t as tStatic, T } from "$lib/translations";
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import type { Translations } from "$lib/translations";
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import { page } from "$app/stores";
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function isActiveLink(href: string, pathname: string): boolean {
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if (!href) return false;
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const h = href.replace(/\/$/, "") || "/";
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const p = pathname.replace(/\/$/, "") || "/";
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if (h === "/") return p === "/";
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return p === h || p.startsWith(h + "/");
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}
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interface NavLink {
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href: string;
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label: string;
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children?: NavLink[];
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}
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function isActiveTree(link: NavLink, pathname: string): boolean {
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if (isActiveLink(link.href, pathname)) return true;
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return (link.children ?? []).some((c) => isActiveLink(c.href, pathname));
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}
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interface SocialLink {
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href: string;
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icon: string;
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label?: string;
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}
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let {
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links = [],
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socialLinks = [],
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logoUrl = null,
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logoSvgHtml = null,
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translations = {},
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}: {
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links?: NavLink[];
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socialLinks?: SocialLink[];
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logoUrl?: string | null;
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logoSvgHtml?: string | null;
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translations?: Translations | null;
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} = $props();
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function t(key: string) {
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return tStatic(translations ?? null, key);
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}
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let menuOpen = $state(false);
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let searchOpen = $state(false);
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let openSubmenu = $state<string | null>(null);
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function toggleSubmenu(label: string) {
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openSubmenu = openSubmenu === label ? null : label;
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}
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function toggleMenu() {
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if (menuOpen) {
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menuOpen = false;
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} else {
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searchOpen = false;
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menuOpen = true;
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// Sektion der aktuellen Seite direkt aufgeklappt zeigen.
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openSubmenu =
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links.find(
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(l) => l.children && l.children.length > 0 && isActiveTree(l, $page.url.pathname),
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)?.label ?? null;
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}
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}
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function closeMenu() {
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menuOpen = false;
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}
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function closeOverlays() {
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menuOpen = false;
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searchOpen = false;
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}
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$effect(() => {
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if (searchOpen) menuOpen = false;
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});
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$effect(() => {
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if (menuOpen) searchOpen = false;
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});
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$effect(() => {
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if (typeof window === "undefined") return;
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const open = menuOpen || searchOpen;
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overlayOpen.set(open);
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overlayClose.set(open ? closeOverlays : null);
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});
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$effect(() => {
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if (typeof window === "undefined") return;
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const open = menuOpen || searchOpen;
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if (open) window.scrollTo({ top: 0, behavior: "smooth" });
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document.documentElement.style.overflow = open ? "hidden" : "";
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document.body.style.overflow = open ? "hidden" : "";
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return () => {
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document.documentElement.style.overflow = "";
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document.body.style.overflow = "";
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};
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});
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$effect(() => {
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if (!menuOpen) return;
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const onKey = (e: KeyboardEvent) => {
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if (e.key === "Escape") closeMenu();
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};
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window.addEventListener("keydown", onKey);
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return () => window.removeEventListener("keydown", onKey);
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});
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</script>
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<header
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id="horizontal-navigation"
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class="relative sticky top-0 z-20 border-b border-white/30 shadow-2xl bg-wald-50"
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>
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<span class="gradient-blob-bg-inner" aria-hidden="true"></span>
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<div class="relative flex items-center justify-between container-custom py-2">
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<a
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href="/"
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aria-label={t(T.site_name_fallback)}
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class="logo flex items-center origin-left font-bold text-lg tracking-wide hover:scale-[1.12] transition-transform duration-200 ease-out relative"
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>
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{#if logoSvgHtml}
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<span
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class="logo-svg h-8 lg:h-10 w-auto inline-flex items-center text-inherit [&_svg]:block [&_svg]:h-full [&_svg]:w-auto [&_svg]:max-h-8 lg:[&_svg]:max-h-10"
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aria-hidden="true">{@html logoSvgHtml}</span
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>
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{:else if logoUrl && logoUrl.trim() !== ""}
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<img src={logoUrl} alt="" class="h-8 lg:h-10 w-auto object-contain" />
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{:else}
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<span>{t(T.site_name_fallback)}</span>
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{/if}
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</a>
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<!-- Desktop: horizontale Nav (ab lg) -->
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<nav
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class="hidden lg:flex items-center gap-4"
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aria-label={t(T.header_nav_aria)}
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>
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{#each links as link}
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{@const active = isActiveTree(link, $page.url.pathname)}
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{#if link.children && link.children.length > 0}
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<div class="relative group">
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{#if link.href && link.href !== "#"}
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<a
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href={link.href}
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class="text-[.7rem] py-1 inline-flex items-center gap-0.5 {active ? 'font-bold' : ''}"
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aria-haspopup="menu"
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aria-expanded="false"
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>
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{link.label}
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<Icon icon="lucide:chevron-down" class="size-3" aria-hidden="true" />
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</a>
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{:else}
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<button
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type="button"
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class="text-[.7rem] py-1 inline-flex items-center gap-0.5 {active ? 'font-bold' : ''}"
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aria-haspopup="menu"
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aria-expanded="false"
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>
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{link.label}
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<Icon icon="lucide:chevron-down" class="size-3" aria-hidden="true" />
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</button>
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{/if}
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<div
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role="menu"
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class="absolute left-0 top-full pt-1 min-w-[10rem] opacity-0 invisible translate-y-1 transition-all group-hover:opacity-100 group-hover:visible group-hover:translate-y-0 group-focus-within:opacity-100 group-focus-within:visible group-focus-within:translate-y-0 z-50"
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>
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<ul class="bg-stein-0 shadow-lg rounded border border-stein-200 py-1 text-stein-800">
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{#each link.children as child}
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{@const cActive = isActiveLink(child.href, $page.url.pathname)}
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<li role="none">
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<a
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role="menuitem"
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href={child.href}
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class="block px-3 py-1.5 text-xs hover:bg-wald-50 {cActive ? 'font-bold text-wald-700' : ''}"
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aria-current={cActive ? "page" : undefined}
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>
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{child.label}
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</a>
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</li>
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{/each}
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</ul>
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</div>
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</div>
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{:else}
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<a
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href={link.href}
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class="text-[.7rem] py-1 {active ? 'font-bold ' : ''}"
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aria-current={active ? "page" : undefined}
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>
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{link.label}
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</a>
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{/if}
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{/each}
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<div class="ml-2 flex items-center gap-1.5">
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{#each socialLinks as social}
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{@const isInternal = social.href.startsWith("/")}
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{@const sActive = isInternal && isActiveLink(social.href, $page.url.pathname)}
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<a
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href={social.href}
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target={isInternal ? undefined : "_blank"}
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rel={isInternal ? undefined : "noopener noreferrer"}
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class="rounded-full border border-wald-700/15 bg-wald-700/8 px-2.5 py-1 transition-opacity hover:opacity-70 inline-flex items-center gap-1.5 {sActive ? 'font-bold' : ''}"
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aria-current={sActive ? "page" : undefined}
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aria-label={social.label || t(T.header_social_aria)}
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title={social.label || t(T.header_social_aria)}
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>
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<Icon icon={social.icon} class="text-sm" aria-hidden="true" />
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{#if social.label}
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<span class="text-[.7rem] leading-none">{social.label}</span>
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{/if}
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</a>
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{/each}
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<button
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type="button"
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class="rounded-full border border-wald-700/15 bg-wald-700/8 px-2.5 py-1 transition-opacity hover:opacity-70 inline-flex items-center justify-center"
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aria-label={searchOpen
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? t(T.header_search_close)
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: t(T.header_search_open)}
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title={searchOpen
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? t(T.header_search_close)
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: t(T.header_search_open)}
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aria-expanded={searchOpen}
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aria-controls="search-panel"
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onclick={() => (searchOpen = !searchOpen)}
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>
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{#if searchOpen}
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<Icon
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icon="lucide:x"
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class="text-sm text-error!"
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aria-hidden="true"
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/>
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{:else}
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<Icon icon="lucide:search" class="text-sm" aria-hidden="true" />
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{/if}
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</button>
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</div>
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</nav>
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<!-- Mobile: Such- und Burger-Buttons (unter lg) -->
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<div class="lg:hidden flex items-center gap-1">
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<button
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type="button"
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class="rounded-full border border-wald-700/15 bg-wald-700/8 px-2.5 py-1 transition-opacity hover:opacity-70 inline-flex items-center justify-center"
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aria-label={searchOpen
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? t(T.header_search_close)
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: t(T.header_search_open)}
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aria-expanded={searchOpen}
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aria-controls="search-panel"
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onclick={() => (searchOpen = !searchOpen)}
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>
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{#if searchOpen}
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<Icon
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icon="lucide:x"
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class="text-sm text-error!"
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aria-hidden="true"
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/>
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{:else}
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<Icon
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icon="lucide:search"
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class="text-sm"
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aria-hidden="true"
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/>
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{/if}
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</button>
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<button
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type="button"
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class="-mr-1 inline-flex items-center gap-1.5 rounded-full border border-wald-600/40 bg-wald-600/25 px-2.5 py-1 text-wald-800 transition-opacity hover:opacity-70"
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aria-label={menuOpen
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? t(T.header_menu_close)
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: t(T.header_menu_open)}
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aria-controls={menuOpen ? "mobile-nav" : undefined}
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aria-expanded={menuOpen}
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onclick={toggleMenu}
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>
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<span class="sr-only"
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>{menuOpen
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? t(T.header_menu_close)
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: t(T.header_menu_open)}</span
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>
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{#if menuOpen}
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<Icon icon="lucide:x" class="text-sm" aria-hidden="true" />
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{:else}
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<Icon icon="lucide:menu" class="text-sm" aria-hidden="true" />
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{/if}
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<span class="text-[.7rem] leading-none" aria-hidden="true">{menuOpen ? "Schließen" : "Menü"}</span>
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</button>
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</div>
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</div>
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<Search bind:open={searchOpen} />
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<!-- Mobile: Dropdown-Menü (unter lg) -->
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{#if menuOpen}
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<div
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id="mobile-nav"
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class="lg:hidden absolute left-0 right-0 top-full z-30 shadow-2xl border-t border-stein-0/10 bg-stein-900/90 backdrop-blur-lg max-h-[calc(100dvh-3.5rem)] overflow-y-auto overscroll-contain"
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role="dialog"
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aria-label="Navigation"
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in:slide={{ duration: 200 }}
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out:slide={{ duration: 150 }}
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>
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<nav
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class="container-custom pt-4 pb-[calc(4rem+env(safe-area-inset-bottom))] flex flex-col gap-1"
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aria-label={t(T.header_nav_aria)}
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>
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<div class="grid grid-cols-2 gap-2.5 pb-4 mb-2 border-b border-stein-0/10">
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<a href="/mitmachen/" class="inline-flex items-center justify-center gap-1.5 rounded-full border border-wald-400/40 px-3 py-2 text-sm font-medium text-wald-200 transition-colors hover:bg-stein-0/10" onclick={closeMenu}>
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<Icon icon="lucide:heart-handshake" class="size-4 shrink-0" aria-hidden="true" />
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Mitmachen
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</a>
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<a href="/termin-melden" class="inline-flex items-center justify-center gap-1.5 rounded-full border border-gelb-400/40 px-3 py-2 text-sm font-medium text-gelb-300 transition-colors hover:bg-stein-0/10" onclick={closeMenu}>
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<Icon icon="lucide:calendar-plus" class="size-4 shrink-0" aria-hidden="true" />
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Termin melden
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</a>
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</div>
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{#each links as link}
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{@const active = isActiveTree(link, $page.url.pathname)}
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{#if link.children && link.children.length > 0}
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{@const expanded = openSubmenu === link.label}
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<div>
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<button
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type="button"
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class="flex w-full items-center justify-between py-2.5 px-3 rounded-xs transition-colors text-sm text-stein-100 hover:bg-stein-0/10 border-l-4 {active ? 'border-wald-400 text-wald-300' : 'border-transparent'}"
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aria-expanded={expanded}
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onclick={() => toggleSubmenu(link.label)}
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>
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<span>{link.label}</span>
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<Icon icon={expanded ? "lucide:chevron-up" : "lucide:chevron-down"} class="size-4" aria-hidden="true" />
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</button>
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{#if expanded}
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<div class="ml-6 border-l border-stein-0/10" in:slide={{ duration: 150 }} out:slide={{ duration: 100 }}>
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{#if link.href && link.href !== "#"}
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{@const pActive = isActiveLink(link.href, $page.url.pathname)}
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<a
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href={link.href}
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class="block py-2 px-3 text-sm {pActive ? 'text-wald-300' : 'text-stein-200 hover:text-stein-0'}"
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aria-current={pActive ? "page" : undefined}
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onclick={closeMenu}
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>
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{link.label} – Übersicht
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</a>
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{/if}
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{#each link.children as child}
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{@const cActive = isActiveLink(child.href, $page.url.pathname)}
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<a
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href={child.href}
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class="block py-2 px-3 text-sm {cActive ? 'text-wald-300' : 'text-stein-200 hover:text-stein-0'}"
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aria-current={cActive ? "page" : undefined}
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onclick={closeMenu}
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>
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{child.label}
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</a>
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{/each}
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</div>
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{/if}
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</div>
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{:else}
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<a
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href={link.href}
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class="block py-2.5 px-3 rounded-xs transition-colors text-sm {active
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? 'text-wald-300 bg-wald-700/20 border-l-4 border-wald-400'
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: 'text-stein-100 hover:text-stein-0 hover:bg-stein-0/10 border-l-4 border-transparent'}"
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aria-current={active ? "page" : undefined}
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onclick={closeMenu}
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>
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{link.label}
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</a>
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{/if}
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{/each}
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{#if socialLinks.length > 0}
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<div class="flex flex-col gap-1 pt-2 mt-2 border-t border-stein-0/10">
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{#each socialLinks as social}
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{@const isInternal = social.href.startsWith("/")}
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{@const sActive =
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isInternal &&
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isActiveLink(social.href, $page.url.pathname)}
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<a
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href={social.href}
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target={isInternal ? undefined : "_blank"}
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rel={isInternal
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? undefined
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: "noopener noreferrer"}
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class="flex items-center gap-3 py-2.5 px-3 rounded-xs transition-colors text-sm border-l-4 {sActive
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? 'text-wald-300 bg-wald-700/20 border-wald-400'
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: 'text-stein-100 hover:text-stein-0 hover:bg-stein-0/10 border-transparent'}"
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aria-current={sActive ? "page" : undefined}
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aria-label={social.label ||
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t(T.header_social_aria)}
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onclick={closeMenu}
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>
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<Icon
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icon={social.icon}
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class="text-sm"
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aria-hidden="true"
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/>
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{#if social.label}
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<span>{social.label}</span>
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{/if}
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</a>
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{/each}
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</div>
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{/if}
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</nav>
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</div>
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{/if}
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</header>
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