diff --git a/js/haus-schleusingen.js b/js/haus-schleusingen.js
index c2154f6..4a8088a 100644
--- a/js/haus-schleusingen.js
+++ b/js/haus-schleusingen.js
@@ -81,10 +81,6 @@ document.addEventListener("DOMContentLoaded", function () {
         this.click();
       }
     });
-    if (e.key === "Enter" || e.key === " ") {
-      e.preventDefault();
-      $(this).trigger("click");
-    }
   });
 
   // Lightbox – track last focused element for focus return
@@ -92,27 +88,26 @@ document.addEventListener("DOMContentLoaded", function () {
 
   function openLightbox(src) {
     lightboxTrigger = document.activeElement;
-    $("#lightboxImg").attr("src", src).attr("alt", "");
-    $("#lightbox").addClass("open");
-    $("body").css("overflow", "hidden");
+    document.getElementById("lightboxImg").setAttribute("src", src);
+    document.getElementById("lightboxImg").setAttribute("alt", "");
+    document.getElementById("lightbox").classList.add("open");
+    document.body.style.overflow = "hidden";
     // Set focus to close button
     setTimeout(function () {
-      $("#lightboxClose").focus();
+      document.getElementById("lightboxClose").focus();
     }, 50);
   }
 
   function closeLightbox() {
-    $("#lightbox").removeClass("open");
-    $("body").css("overflow", "");
+    document.getElementById("lightbox").classList.remove("open");
+    document.body.style.overflow = "";
     // Return focus to trigger
     if (lightboxTrigger) {
-      $(lightboxTrigger).focus();
+      lightboxTrigger.focus();
       lightboxTrigger = null;
     }
   }
 
-  // Lightbox – gallery grid items
-
   // Lightbox – gallery grid items
   document.querySelectorAll(".grid-item").forEach(function (item) {
     item.addEventListener("click", function () {
@@ -139,26 +134,7 @@ document.addEventListener("DOMContentLoaded", function () {
     });
   });
 
-  function openLightbox(src) {
-    lightboxTrigger = document.activeElement;
-    document.getElementById("lightboxImg").setAttribute("src", src);
-    document.getElementById("lightbox").classList.add("open");
-    document.body.style.overflow = "hidden";
-    // Focus close button
-    setTimeout(function () {
-      document.getElementById("lightboxClose").focus();
-    }, 100);
-  }
 
-  function closeLightbox() {
-    document.getElementById("lightbox").classList.remove("open");
-    document.body.style.overflow = "";
-    // Return focus to trigger
-    if (lightboxTrigger) {
-      lightboxTrigger.focus();
-      lightboxTrigger = null;
-    }
-  }
 
   document.getElementById("lightboxClose").addEventListener("click", closeLightbox);
   document.getElementById("lightbox").addEventListener("click", function (e) {