diff --git a/src/App.svelte b/src/App.svelte
index e2b91ee..4fd9c5b 100644
--- a/src/App.svelte
+++ b/src/App.svelte
@@ -64,6 +64,12 @@
     img.src = BG_URL
   }
 
+  // Sync body[data-template] with the active template so CSS selectors (e.g. footer hide)
+  // stay correct on SPA navigation — PHP only sets it on the initial page load.
+  $effect(() => {
+    if (activeTemplate) document.body.dataset.template = activeTemplate
+  })
+
   // Active la transition seulement après le premier paint à la bonne position.
   // Double rAF : le premier laisse passer un paint avec le bon translateX,
   // le second active is-animated — évite l'animation parasite au chargement.
diff --git a/src/components/layout/Footer.svelte b/src/components/layout/Footer.svelte
index de0ef80..7080d01 100644
--- a/src/components/layout/Footer.svelte
+++ b/src/components/layout/Footer.svelte
@@ -23,8 +23,14 @@
     function onScroll() {
       if (rafId) return
       rafId = requestAnimationFrame(() => {
-        const threshold = window.innerWidth > 800 ? 100 : 200
-        const atBottom = scrollableContainer.scrollTop >= scrollableContainer.scrollHeight - scrollableContainer.clientHeight - threshold
+        const scrollHeight  = scrollableContainer.scrollHeight
+        const clientHeight  = scrollableContainer.clientHeight
+        const threshold     = window.innerWidth > 800 ? 100 : 200
+        // Only show footer when content actually overflows AND user is near the bottom.
+        // Without the overflow guard, atBottom is true even when scrollHeight === clientHeight
+        // (0 >= 0 - threshold), causing the footer to appear on pages with no scroll.
+        const overflows = scrollHeight > clientHeight
+        const atBottom  = overflows && scrollableContainer.scrollTop >= scrollHeight - clientHeight - threshold
         isHidden = !atBottom
         rafId = null
       })