website: fix HTML issues, mobile nav, i18n, and SEO

Bug Fixes:
- index.html: remove duplicate <title> tags (invalid HTML), use single
  title + JS swap; fix og:image relative→absolute URL (logo.png)
- join.html: fix hardcoded lang=de, add language detection IIFE,
  add lang toggle to nav, make badge/title/desc/actions bilingual,
  add missing </head> closing tag, add noindex meta
- app.js: join status handler was German-only; now fully bilingual
  (Success/Error titles, countdown, close/retry button labels)

Improvements:
- Add Firefox 'Add to Firefox' button to hero CTA (placeholder href=#)
- impressum.html / datenschutz.html: add noindex meta to keep legal
  pages out of search results
- robots.txt: add Sitemap directive for SEO crawlability
- sitemap.xml: new file listing main page + legal pages with priorities
- style.css: mobile nav hamburger menu (☰) replaces display:none
  blackout; nav-links drop down on mobile with backdrop blur
- style.css: cta-group flex-wrap for narrow screens
- Hamburger button added to all 4 page navs
This commit is contained in:
MacBook
2026-05-04 05:49:16 +02:00
parent 90882f91ef
commit 1e3bb94660
8 changed files with 114 additions and 25 deletions
+34 -6
View File
@@ -1,11 +1,36 @@
<!DOCTYPE html>
<html lang="de">
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Beitreten | KoalaSync</title>
<title>Join Room | KoalaSync</title>
<link rel="stylesheet" href="style.css">
<link rel="icon" type="image/png" href="assets/logo.png">
<meta name="robots" content="noindex">
<script>
(function() {
var savedLang = localStorage.getItem('koala_lang');
var browserLang = navigator.language.startsWith('de') ? 'de' : 'en';
var activeLang = savedLang || browserLang;
document.documentElement.classList.add('lang-' + activeLang);
document.documentElement.lang = activeLang;
var titles = { en: 'Join Room | KoalaSync', de: 'Raum beitreten | KoalaSync' };
document.title = titles[activeLang] || titles.en;
})();
function toggleLanguage(e) {
if(e) e.preventDefault();
var html = document.documentElement;
var currentIsEnglish = html.classList.contains('lang-en');
var newLang = currentIsEnglish ? 'de' : 'en';
html.classList.remove('lang-en', 'lang-de');
html.classList.add('lang-' + newLang);
html.lang = newLang;
localStorage.setItem('koala_lang', newLang);
var titles = { en: 'Join Room | KoalaSync', de: 'Raum beitreten | KoalaSync' };
document.title = titles[newLang] || titles.en;
}
</script>
</head>
<body>
<div class="bg-blobs">
@@ -20,19 +45,22 @@
<img src="assets/logo.png" alt="KoalaSync Logo">
<span>KoalaSync</span>
</a>
<button class="hamburger" onclick="document.querySelector('.nav-links').classList.toggle('open')" aria-label="Menu"></button>
<div class="nav-links">
<a href="index.html">Home</a>
<a href="https://github.com/shik3i/KoalaSync" target="_blank">GitHub</a>
<a class="lang-toggle" onclick="toggleLanguage(event)">🌍 EN/DE</a>
</div>
</div>
</nav>
<main class="legal-content join-card">
<div class="legal-card" id="join-container" data-reveal style="padding: 2.5rem;">
<div class="room-badge">INVITATION DETECTED</div>
<h1 id="join-title" style="font-size: 2rem; margin-bottom: 1rem;">Ready to sync?</h1>
<div class="room-badge"><span lang="en">INVITATION DETECTED</span><span lang="de">EINLADUNG ERKANNT</span></div>
<h1 id="join-title" style="font-size: 2rem; margin-bottom: 1rem;"><span lang="en">Ready to sync?</span><span lang="de">Bereit zum Synchronisieren?</span></h1>
<p id="join-desc" style="text-align: center; color: var(--text-muted); margin-bottom: 2rem; font-size: 0.9rem;">
You've been invited to join a synchronized session.
<span lang="en">You've been invited to join a synchronized session.</span>
<span lang="de">Du wurdest eingeladen, einer synchronisierten Sitzung beizutreten.</span>
</p>
<div id="room-info-box" style="background: rgba(255,255,255,0.03); padding: 2rem; border-radius: 20px; margin-bottom: 2rem; border: 1px solid var(--glass-border); text-align: center; position: relative; overflow: hidden;">
@@ -41,7 +69,7 @@
</div>
<div id="join-actions" style="display: flex; flex-direction: column; gap: 1rem;">
<div style="text-align: center; color: var(--text-muted); font-size: 0.8rem;">Detecting extension...</div>
<div style="text-align: center; color: var(--text-muted); font-size: 0.8rem;"><span lang="en">Detecting extension...</span><span lang="de">Erweiterung wird erkannt...</span></div>
</div>
</div>
</main>