<?xml version="1.0" encoding="UTF-8"?>
<!--
  Æther sitemap. Single-page application, so a single URL is the entirety
  of the public surface. `lastmod` should track meaningful Landing copy
  changes, not internal refactors. Bumping it nudges Google to recrawl.

  xhtml:link alternates declare the three UI languages we ship. The URL
  itself doesn't change between languages (the SPA picks the locale via
  `aether_lang` in localStorage), so all alternates point to the same
  href — Google handles this gracefully and serves whichever variant
  matches the user's Accept-Language header from the cache.
-->
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"
        xmlns:xhtml="http://www.w3.org/1999/xhtml">
  <url>
    <loc>https://aetherunivers.org/</loc>
    <lastmod>2026-05-20</lastmod>
    <changefreq>monthly</changefreq>
    <priority>1.0</priority>
    <xhtml:link rel="alternate" hreflang="en" href="https://aetherunivers.org/" />
    <xhtml:link rel="alternate" hreflang="es" href="https://aetherunivers.org/" />
    <xhtml:link rel="alternate" hreflang="bg" href="https://aetherunivers.org/" />
    <xhtml:link rel="alternate" hreflang="x-default" href="https://aetherunivers.org/" />
  </url>
</urlset>
