ird-party libs once -->
  <script src="https://cdnjs.cloudflare.com/ajax/libs/gsap/3.13.0/gsap.min.js" defer></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/gsap/3.13.0/CustomEase.min.js" defer></script>
  <script src="https://unpkg.com/leaflet@1.9.4/dist/leaflet.js"
    integrity="sha256-20nQCchB9co0qIjJZRGuk2/Z9VM+kNiyxNV1lvTlZBo=" crossorigin="" defer></script>

  <script src="js/dark-theme-toggle.js" defer></script>

  <style>
    /* Base Button Styles */
    #backToTopBtn {
 