feat(navbar): fixierte, tastaturbarrierefreie Navigationsleiste #4

Merged
3018401 merged 4 commits from feature/navigationsleiste into dev 2026-09-28 13:14:10 +02:00
8 changed files with 437 additions and 4 deletions

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<html lang="de"> <html lang="de">
<head> <head>
<meta charset="UTF-8" /> <meta charset="UTF-8" />
<link rel="stylesheet" href="/src/styles/navigation.css" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta <meta
name="description" name="description"
@ -10,9 +11,7 @@
<title>1:1-Ernährungsberatung</title> <title>1:1-Ernährungsberatung</title>
</head> </head>
<body> <body>
<header class="container"> <div id="navbar-placeholder"></div>
<a href="/" aria-label="Startseite">Ernährungsberatung</a>
</header>
<main class="container"> <main class="container">
<h1>Ernährung, die zu dir passt.</h1> <h1>Ernährung, die zu dir passt.</h1>

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# Navigation einbinden
Füge an der gewünschten Stelle im HTML einen Platzhalter ein und binde CSS
und JavaScript separat ein:
```html
<div id="navbar-placeholder"></div>
<link rel="stylesheet" href="/src/styles/navigation.css" />
<script type="module" src="/src/components/navigationsbar/navigation.js"></script>
```
Das Script lädt `navigation.html` und initialisiert die Navigation automatisch,
`initNavbar()` muss nicht zusätzlich aufgerufen werden. Die Stylesheet-Datei wird
nicht vom Script geladen und muss deshalb separat eingebunden werden.

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<a href="#main-content" class="skip-link">Zum Hauptinhalt springen</a>
<header class="navbar" id="site-navbar">
<div class="navbar__inner">
<div class="navbar__brand">
<img src="/images/logo.png" alt="" class="navbar__logo-img" />
<span class="navbar__brand-text">
<span class="navbar__brand-title">TRI-HUB</span>
<span class="navbar__brand-tagline"
>Ernährungsberatung für Triathleten ab 50</span
>
</span>
</div>
<button
class="navbar__toggle"
type="button"
aria-controls="navbar-menu"
aria-expanded="false"
aria-label="Menü öffnen"
>
<span class="navbar__toggle-icon" aria-hidden="true"></span>
</button>
<nav class="navbar__nav" aria-label="Hauptnavigation">
<ul id="navbar-menu" class="navbar__menu">
<li>
<a href="/angebotsuebersicht.html" class="navbar__link"
>Pakete</a
>
</li>
<li>
<a href="#ernaehrung" class="navbar__link">Ernährung</a>
</li>
<li>
<a
href="/src/design/tri-hub-ernaehrungsberatung.html"
class="navbar__link"
>Beraterprofil</a
>
</li>
<li>
<a
href="/src/design/tri-hub-ernaehrungsberatung.html"
class="navbar__link"
>FAQ</a
>
</li>
<li>
<a href="#erfahrungen" class="navbar__link">Rezensionen</a>
</li>
<li>
<a
href="/src/design/tri-hub-ernaehrungsberatung.html"
class="navbar__link"
>Kontakt</a
>
</li>
<li>
<a
href="https://tri-hub.de/"
class="navbar__link navbar__link--home"
>
<span class="navbar__home-icon" aria-hidden="true">
<svg
viewBox="0 0 24 24"
fill="none"
xmlns="http://www.w3.org/2000/svg"
>
<path
d="M4 10L12 3L20 10V20a1 1 0 0 1-1 1H5a1 1 0 0 1-1-1V10Z M9 21V14H15V21"
stroke="currentColor"
stroke-linejoin="round"
stroke-linecap="round"
/>
</svg>
</span>
Startseite
</a>
</li>
</ul>
</nav>
</div>
</header>

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import navigationHtml from "./navigation.html?raw";
/**
* Bindet das mit Vite gebündelte Navbar-Fragment (navigation.html) ein und
* ersetzt damit den Platzhalter im Header der jeweiligen Seite.
* Aufruf z. B. in main.js: initNavbar('#navbar-placeholder')
*/
export function initNavbar(placeholderSelector = "#navbar-placeholder") {
const placeholder = document.querySelector(placeholderSelector);
if (!placeholder) {
console.warn("Navbar-Platzhalter nicht gefunden:", placeholderSelector);
return;
}
placeholder.outerHTML = navigationHtml; // Platzhalter durch echtes Navbar-Markup ersetzen
setupBehavior();
markCurrentPage();
}
/**
* Richtet alle interaktiven Funktionen der Navbar ein:
* - Mobiles Menü öffnen/schließen per Klick
* - Automatischer Fokus auf ersten Link, wenn per Tastatur geöffnet
* - Escape schließt das Menü und gibt den Fokus zurück
* - Menü schließt sich, wenn der Fokus die Navbar per Tab verlässt
* - Klick außerhalb der Navbar schließt das Menü (Maus/Touch)
*/
export function setupBehavior() {
const navbar = document.querySelector(".navbar");
const toggle = document.querySelector(".navbar__toggle");
const nav = document.querySelector(".navbar__nav");
const menu = document.querySelector(".navbar__menu");
if (!navbar || !toggle || !nav || !menu) return;
let openedViaKeyboard = false;
toggle.addEventListener("keydown", (e) => {
if (e.key === "Enter" || e.key === " ") {
openedViaKeyboard = true;
}
});
toggle.addEventListener("click", () => {
const isOpen = nav.classList.toggle("is-open");
toggle.setAttribute("aria-expanded", String(isOpen));
toggle.setAttribute(
"aria-label",
isOpen ? "Menü schließen" : "Menü öffnen",
);
if (isOpen && openedViaKeyboard) {
const firstLink = menu.querySelector(".navbar__link");
if (firstLink) firstLink.focus();
}
openedViaKeyboard = false;
});
document.addEventListener("keydown", (e) => {
if (e.key === "Escape" && nav.classList.contains("is-open")) {
nav.classList.remove("is-open");
toggle.setAttribute("aria-expanded", "false");
toggle.setAttribute("aria-label", "Menü öffnen");
toggle.focus();
}
});
navbar.addEventListener("focusout", (e) => {
const leavingNavbar = !navbar.contains(e.relatedTarget);
if (leavingNavbar && nav.classList.contains("is-open")) {
nav.classList.remove("is-open");
toggle.setAttribute("aria-expanded", "false");
toggle.setAttribute("aria-label", "Menü öffnen");
}
});
document.addEventListener("click", (e) => {
if (!navbar.contains(e.target) && nav.classList.contains("is-open")) {
nav.classList.remove("is-open");
toggle.setAttribute("aria-expanded", "false");
toggle.setAttribute("aria-label", "Menü öffnen");
}
});
}
/**
* Markiert den Menüpunkt der aktuell geöffneten Seite mit aria-current="page",
* damit er optisch hervorgehoben wird (siehe .navbar__link[aria-current="page"] in der CSS).
*/
export function markCurrentPage() {
const links = document.querySelectorAll(".navbar__link");
const current = window.location.pathname.replace(/\/index\.html$/, "/");
links.forEach((link) => {
if (link.getAttribute("href") === current) {
link.setAttribute("aria-current", "page");
}
});
}
document.addEventListener("DOMContentLoaded", () => initNavbar());

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import "./styles.css"; import "./styles/styles.css";
import "./components/navigationsbar/navigation.js";
document.querySelector("#year").textContent = new Date().getFullYear(); document.querySelector("#year").textContent = new Date().getFullYear();

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/* Google Fonts: Inter für Fließtext, Playfair Display für Akzente (falls später gebraucht) */
@import url("https://fonts.googleapis.com/css2?family=Playfair+Display:wght@600;700&family=Inter:wght@400;500;600;700&display=swap");
/* Zentrale Design-Werte der Navbar, passend zum TriHub-Farbschema */
:root {
--nav-bg: #0d0d1a;
--nav-border: rgba(248, 250, 252, 0.08);
--nav-green: #10b981;
--nav-white: #ffffff;
--nav-light: #f8fafc;
--nav-muted: #94a3b8;
}
/* Verhindert, dass Padding die Breite von Elementen zusätzlich vergrößert */
.navbar,
.navbar *,
.navbar *::before,
.navbar *::after {
box-sizing: border-box;
}
/* ---------- Kriterium 1: durchgehend fixiert am oberen Bildschirmrand ---------- */
.navbar {
position: fixed;
top: 0;
left: 0;
width: 100%;
z-index: 1000;
border-bottom: 1px solid var(--nav-border);
background: var(--nav-bg);
font-family: "Inter", system-ui, sans-serif;
}
.navbar__inner {
width: 100%;
min-height: 76px;
padding: 0 20px;
display: flex;
align-items: center;
justify-content: space-between;
gap: 16px;
}
/* ---------- Logo + Markenname (kein Link mehr, nur Anzeige) ---------- */
.navbar__brand {
display: inline-flex;
align-items: center;
gap: 12px;
flex-shrink: 0;
}
.navbar__logo-img {
height: 40px;
width: auto;
display: block;
}
.navbar__brand-text {
display: flex;
flex-direction: column;
line-height: 1.25;
}
.navbar__brand-title {
font-size: 0.7rem;
font-weight: 600;
letter-spacing: 0.14em;
text-transform: uppercase;
color: var(--nav-muted);
}
.navbar__brand-tagline {
font-size: 0.85rem;
font-weight: 500;
color: var(--nav-muted);
}
/* ---------- Menüpunkte (rechts) ---------- */
.navbar__menu {
display: flex;
align-items: center;
gap: 14px;
list-style: none;
margin: 0;
padding: 0;
color: var(--nav-muted);
font-size: 0.85rem;
font-weight: 500;
flex-shrink: 0;
}
.navbar__link {
color: inherit;
text-decoration: none;
transition: color 0.2s ease;
padding: 0.35rem 0.1rem;
white-space: nowrap;
}
.navbar__link:hover,
.navbar__link[aria-current="page"] {
color: var(--nav-white);
}
/* ---------- "Startseite"-Button mit Haus-Icon, ganz rechts ---------- */
.navbar__link--home {
display: inline-flex;
align-items: center;
gap: 6px;
padding: 6px 18px 6px 10px;
border: 1px solid rgba(148, 163, 184, 0.3);
border-radius: 999px;
color: var(--nav-light);
transition:
border-color 0.2s ease,
color 0.2s ease;
}
.navbar__link--home:hover {
border-color: rgba(16, 185, 129, 0.55);
color: var(--nav-white);
}
.navbar__home-icon {
display: inline-flex;
align-items: center;
justify-content: center;
color: #22d3ee;
}
.navbar__home-icon svg {
width: 18px;
height: 18px;
}
/* Linienstärke des Haus-Icons zentral hier steuern statt im SVG-Markup */
.navbar__home-icon svg path {
stroke-width: 1.5;
}
/* ---------- Kriterium 2: barrierefreie Tastatursteuerung ---------- */
.skip-link {
position: absolute;
top: -40px;
left: 0;
background: var(--nav-green);
color: #06130f;
font-weight: 700;
padding: 0.75rem 1rem;
z-index: 1100;
transition: top 0.2s ease;
}
.skip-link:focus {
top: 0;
}
.navbar a:focus-visible,
.navbar button:focus-visible {
outline: 3px solid var(--nav-green);
outline-offset: 2px;
border-radius: 4px;
}
/* ---------- Mobiler Hamburger-Button ---------- */
.navbar__toggle {
display: none;
background: none;
border: none;
cursor: pointer;
padding: 0.5rem;
}
.navbar__toggle-icon,
.navbar__toggle-icon::before,
.navbar__toggle-icon::after {
display: block;
width: 22px;
height: 2px;
background: var(--nav-white);
position: relative;
}
.navbar__toggle-icon::before,
.navbar__toggle-icon::after {
content: "";
position: absolute;
}
.navbar__toggle-icon::before {
top: -7px;
}
.navbar__toggle-icon::after {
top: 7px;
}
@media (max-width: 1300px) {
.navbar__toggle {
display: block;
}
.navbar__nav {
position: absolute;
top: 76px;
left: 0;
right: 0;
background: var(--nav-bg);
border-bottom: 1px solid var(--nav-border);
display: none;
}
.navbar__nav.is-open {
display: block;
}
.navbar__menu {
flex-direction: column;
align-items: flex-start;
padding: 1rem 20px;
gap: 1rem;
font-size: 0.95rem;
}
}
@media (max-width: 600px) {
.navbar__inner {
padding: 0 16px;
}
.navbar__brand-tagline {
display: none;
}
}
/* Platz für die fixierte Navbar */
body {
padding-top: 76px;
}