diff --git a/src/components/Header.astro b/src/components/Header.astro
index 4e5829a..7b5001c 100644
--- a/src/components/Header.astro
+++ b/src/components/Header.astro
@@ -2,10 +2,10 @@
 const currentPath = Astro.url.pathname;
 const isHome = false; // hero is now white bg, no dark variant needed
 const nav = [
-  { label: 'événement', href: '/creations-evenement' },
-  { label: 'pérenne', href: '/realisations-perennes' },
-  { label: 'processus', href: '/processus' },
-  { label: 'contact', href: '/contact' },
+  { label: 'événement', href: '/creations-evenement/' },
+  { label: 'pérenne', href: '/realisations-perennes/' },
+  { label: 'processus', href: '/processus/' },
+  { label: 'contact', href: '/contact/' },
 ];
 ---
 
diff --git a/src/pages/index.astro b/src/pages/index.astro
index 2617f48..77a03b1 100644
--- a/src/pages/index.astro
+++ b/src/pages/index.astro
@@ -62,7 +62,7 @@ const allPerennes = getMockProjects('perenne');
           const base = project!.category === 'perenne' ? '/realisations-perennes' : '/creations-evenement';
           return (
             <a
-              href={`${base}/${project!.slug.current}`}
+              href={`${base}/${project!.slug.current}/`}
               class="feat__item rv"
               style={`--d:${i + 1}`}
             >
@@ -89,7 +89,7 @@ const allPerennes = getMockProjects('perenne');
 
       <div class="idx__list" id="project-index">
         {allEvents.map((p, i) => {
-          const href = `/creations-evenement/${p.slug.current}`;
+          const href = `/creations-evenement/${p.slug.current}/`;
           return (
             <a
               href={href}
@@ -110,7 +110,7 @@ const allPerennes = getMockProjects('perenne');
 
       <div class="idx__list">
         {allPerennes.map((p, i) => {
-          const href = `/realisations-perennes/${p.slug.current}`;
+          const href = `/realisations-perennes/${p.slug.current}/`;
           return (
             <a
               href={href}
@@ -137,7 +137,7 @@ const allPerennes = getMockProjects('perenne');
           Du siège social au lancement produit,
           chaque projet naît d'une écoute attentive et se construit dans le souci du détail.
         </p>
-        <a href="/processus" class="about__link">
+        <a href="/processus/" class="about__link">
           découvrir le processus
           <svg width="14" height="14" viewBox="0 0 16 16" fill="none">
             <path d="M3 8H13M13 8L9 4M13 8L9 12" stroke="currentColor" stroke-width="1"/>