diff --git a/src/components/astro/ColJournal.astro b/src/components/astro/ColJournal.astro
index cf7479c..6e0fb49 100644
--- a/src/components/astro/ColJournal.astro
+++ b/src/components/astro/ColJournal.astro
@@ -58,13 +58,14 @@ const categories = [
   },
 ];
 ---
-<div class="h-full flex flex-col p-4 pt-20 md:pt-6 gap-5">
+<div class="h-full flex flex-col px-4 pb-4 pt-1 md:pt-6 gap-3 md:gap-5">
 
-  <!-- Hashtags accordeon -->
-  <details id="hashtags-accordion" class="border-t border-neutral-200 pt-4">
+  <!-- Catégories accordeon (V1.5-A.4 : "Hashtags" -> "Catégories")
+       V1.5-A.5 : ouvert par defaut sur mobile + desktop (collé sous tab actif). -->
+  <details id="hashtags-accordion" class="md:border-t md:border-neutral-200 md:pt-4" open>
     <summary class="font-semibold cursor-pointer select-none flex items-center justify-between">
-      <span>Hashtags</span>
-      <span class="text-xs text-neutral-400 font-normal">4 categories</span>
+      <span>Catégories</span>
+      <span class="text-xs text-neutral-400 font-normal">4 catégories</span>
     </summary>
 
     <div class="mt-3 flex flex-wrap gap-2" id="category-badges">
@@ -121,10 +122,10 @@ const categories = [
     </a>
   </details>
 
-  <!-- Journal chrono -->
+  <!-- Publication chrono (V1.5-A.2 : "Journal" -> "Publication") -->
   <section class="border-t border-neutral-200 pt-4 flex-1 overflow-y-auto">
     <h2 class="font-semibold mb-3 flex items-center justify-between">
-      <span>Journal</span>
+      <span>Publication</span>
       <span class="text-xs text-neutral-400 font-normal">chrono</span>
     </h2>
     <div id="journal-list" class="space-y-3 text-sm">
@@ -134,13 +135,11 @@ const categories = [
 </div>
 
 <script>
+  // V1.5-A.5 : Catégories ouvert par défaut sur mobile ET desktop.
+  // (Auparavant : forcé ouvert desktop seulement, replié sur mobile.)
+  // L'attribut `open` SSR garantit l'état initial — script JS retiré pour ne pas
+  // refermer l'accordéon au resize cross-breakpoint.
   const accordion = document.getElementById('hashtags-accordion') as HTMLDetailsElement | null;
-  if (accordion) {
-    const mql = window.matchMedia('(min-width: 768px)');
-    const apply = () => { accordion.open = mql.matches; };
-    apply();
-    mql.addEventListener('change', apply);
-  }
 
   const closeBtn = document.getElementById('accordion-close');
   if (closeBtn && accordion) {
@@ -313,14 +312,25 @@ const categories = [
     dispatchPlatform(platformFilters['politique']);
   }
 
-  // V1.3-E : intercept clics liens Manifeste -> preview centrale (uniquement sur racine /)
-  // Tagger les liens [data-manifeste-link] et router vers event 'preview-open' si on est sur /.
-  // Sinon : laisser la navigation native vers /manifeste.
+  // V1.3-E + V1.5-A.6 : intercept clics liens Manifeste -> preview centrale (uniquement sur racine /).
+  // Mobile : on dispatche aussi `mobile-tab-scroll` pos:1 pour swiper vers la col centre
+  // (sinon la preview ouvre en background sur la col journal — invisible utilisateur).
+  // SwipeContainer écoute `mobile-tab-scroll` et fait scrollTo(1).
   document.querySelectorAll<HTMLAnchorElement>('a[data-manifeste-link]').forEach((el) => {
     el.addEventListener('click', (e) => {
       if (window.location.pathname === '/') {
         e.preventDefault();
-        window.dispatchEvent(new CustomEvent('preview-open', { detail: { type: 'manifeste' } }));
+        // Mobile : naviguer d'abord vers tab Carte (pos:1) puis ouvrir preview après le swipe.
+        const isMobile = window.matchMedia('(max-width: 767px)').matches;
+        if (isMobile) {
+          document.dispatchEvent(new CustomEvent('mobile-tab-scroll', { detail: { pos: 1 } }));
+          // Laisse le temps au swipe Embla de se positionner avant d'ouvrir la preview
+          setTimeout(() => {
+            window.dispatchEvent(new CustomEvent('preview-open', { detail: { type: 'manifeste' } }));
+          }, 350);
+        } else {
+          window.dispatchEvent(new CustomEvent('preview-open', { detail: { type: 'manifeste' } }));
+        }
       }
       // sinon : navigation normale vers /manifeste (fallback SEO + no-JS)
     });
diff --git a/src/components/astro/HamburgerMenu.astro b/src/components/astro/HamburgerMenu.astro
deleted file mode 100644
index df838a1..0000000
--- a/src/components/astro/HamburgerMenu.astro
+++ /dev/null
@@ -1,103 +0,0 @@
----
-// HamburgerMenu - drawer slide-in left avec liens nav (PC2)
-// Astro vanilla + script inline, pas besoin d'island Vue
----
-<button
-  id="hamburger-trigger"
-  type="button"
-  class="fixed top-4 right-4 z-50 p-3 bg-white/95 border border-neutral-200 rounded-lg shadow-md hover:bg-white transition-colors md:hidden"
-  aria-label="Ouvrir le menu"
-  aria-expanded="false"
-  aria-controls="hamburger-drawer"
->
-  <span class="block w-5 h-0.5 bg-neutral-800 mb-1"></span>
-  <span class="block w-5 h-0.5 bg-neutral-800 mb-1"></span>
-  <span class="block w-5 h-0.5 bg-neutral-800"></span>
-</button>
-
-<div
-  id="hamburger-drawer"
-  class="fixed inset-0 z-40 hidden"
-  role="dialog"
-  aria-modal="true"
-  aria-label="Menu de navigation"
->
-  <div
-    class="absolute inset-0 bg-black/30 transition-opacity"
-    data-drawer-close
-    aria-hidden="true"
-  ></div>
-  <nav
-    id="hamburger-nav"
-    class="absolute left-0 top-0 h-full w-72 max-w-[80vw] bg-white shadow-xl p-6 transform -translate-x-full transition-transform duration-200 ease-out"
-  >
-    <button
-      type="button"
-      data-drawer-close
-      class="absolute top-4 right-4 w-9 h-9 flex items-center justify-center text-neutral-500 hover:text-neutral-900 text-2xl leading-none rounded-md hover:bg-neutral-100"
-      aria-label="Fermer le menu"
-    >
-      &times;
-    </button>
-    <ul class="mt-12 space-y-1 text-base">
-      <li>
-        <a
-          href="/a-propos"
-          class="block px-3 py-2 rounded-md text-neutral-800 hover:bg-neutral-100 hover:text-neutral-900 transition-colors"
-        >
-          A propos
-        </a>
-      </li>
-      <li>
-        <a
-          href="/manifeste"
-          class="block px-3 py-2 rounded-md text-neutral-800 hover:bg-neutral-100 hover:text-neutral-900 transition-colors"
-        >
-          Manifeste
-        </a>
-      </li>
-      <li>
-        <a
-          href="/mentions-legales"
-          class="block px-3 py-2 rounded-md text-neutral-800 hover:bg-neutral-100 hover:text-neutral-900 transition-colors"
-        >
-          Mentions legales
-        </a>
-      </li>
-      <!-- TODO V2 : ajouter liens ici (newsletter, soutien Liberapay, contact) -->
-    </ul>
-  </nav>
-</div>
-
-<script>
-  const trigger = document.getElementById('hamburger-trigger');
-  const drawer = document.getElementById('hamburger-drawer');
-  const nav = document.getElementById('hamburger-nav');
-
-  const open = () => {
-    if (!drawer || !nav) return;
-    drawer.classList.remove('hidden');
-    trigger?.setAttribute('aria-expanded', 'true');
-    requestAnimationFrame(() => nav.classList.remove('-translate-x-full'));
-  };
-
-  const close = () => {
-    if (!drawer || !nav) return;
-    nav.classList.add('-translate-x-full');
-    trigger?.setAttribute('aria-expanded', 'false');
-    setTimeout(() => drawer.classList.add('hidden'), 200);
-  };
-
-  trigger?.addEventListener('click', open);
-
-  drawer?.querySelectorAll('[data-drawer-close]').forEach((el) =>
-    el.addEventListener('click', close)
-  );
-
-  // ESC pour fermer
-  document.addEventListener('keydown', (e) => {
-    if (e.key === 'Escape' && drawer && !drawer.classList.contains('hidden')) {
-      close();
-    }
-  });
-</script>
diff --git a/src/components/astro/MobileTabBar.astro b/src/components/astro/MobileTabBar.astro
index afe7a05..5895f51 100644
--- a/src/components/astro/MobileTabBar.astro
+++ b/src/components/astro/MobileTabBar.astro
@@ -1,20 +1,22 @@
 ---
 // MobileTabBar - indicateur de colonne active sur mobile (V1.1-D.1)
+// V1.5-A.3 : suppression border-b (ligne séparatrice sous header mobile supprimée).
+// V1.5-A.2 : "Journal" -> "Publication" (vocabulaire visiteur).
 // Ecoute l'event "swipe-position-change" emis par SwipeContainer.vue
-// Affiche : Journal | Carte | Insta - colonne active surlignee
+// Affiche : Publication | Carte | Insta - colonne active surlignee
 ---
 <nav
   id="mobile-tab-bar"
   aria-label="Navigation colonnes"
-  class="fixed top-12 left-0 right-0 z-30 h-11 bg-white border-b border-neutral-200 flex items-stretch justify-around md:hidden"
+  class="fixed top-12 left-0 right-0 z-30 h-11 bg-white flex items-stretch justify-around md:hidden"
 >
   <button
     type="button"
     data-tab-index="0"
     class="mobile-tab flex-1 text-sm px-2 border-b-2 transition-colors"
-    aria-label="Aller au journal"
+    aria-label="Aller à la publication"
   >
-    Journal
+    Publication
   </button>
   <button
     type="button"
diff --git a/src/components/astro/SiteHeader.astro b/src/components/astro/SiteHeader.astro
index 64361b5..ba32849 100644
--- a/src/components/astro/SiteHeader.astro
+++ b/src/components/astro/SiteHeader.astro
@@ -12,7 +12,7 @@
 import '@fontsource-variable/roboto-condensed/wght.css';
 ---
 <header
-  class="site-header w-full border-b border-[#E5E7EB] bg-[#FAFAF7] text-[#0F172A] px-4 md:px-6 flex items-center"
+  class="site-header w-full md:border-b md:border-[#E5E7EB] bg-[#FAFAF7] text-[#0F172A] px-4 md:px-6 flex items-center"
   role="banner"
 >
   <!-- Bloc identite (gauche) -->
diff --git a/src/components/vue/CarteOWrapper.vue b/src/components/vue/CarteOWrapper.vue
index af5a014..2f2bedf 100644
--- a/src/components/vue/CarteOWrapper.vue
+++ b/src/components/vue/CarteOWrapper.vue
@@ -1,4 +1,7 @@
 <script setup lang="ts">
+// V1.5-A.7 : fallback mobile retiré — la Carte O D3-force fonctionne sur viewport <768px
+// (testé tel ≥6"). Auparavant : message "optimisée desktop" + miniature SVG statique.
+// Pourquoi : décision τ.15 PILOTE trop agressive — la mindmap tourne, juste plus dense.
 import { ref, onMounted, computed } from 'vue'
 import CarteO from './CarteO.vue'
 import CarteOContextMenu from './CarteOContextMenu.vue'
@@ -44,7 +47,6 @@ const error = ref<string | null>(null)
 const selectedNode = ref<CarteNode | null>(null)
 const contextX = ref(0)
 const contextY = ref(0)
-const isMobileScreen = ref(false)
 
 const familyColors = computed(() =>
   data.value?.meta?.familyColors || {
@@ -63,7 +65,6 @@ function onNodeClick(payload: { node: CarteNode; x: number; y: number }) {
 }
 
 onMounted(async () => {
-  isMobileScreen.value = window.innerWidth < 768
   try {
     const res = await fetch(props.src)
     if (!res.ok) throw new Error(`HTTP ${res.status}`)
@@ -72,37 +73,13 @@ onMounted(async () => {
     console.error('[CarteO] failed to load', e)
     error.value = e?.message || 'Erreur de chargement'
   }
-
-  window.addEventListener('resize', () => {
-    isMobileScreen.value = window.innerWidth < 768
-  })
 })
 </script>
 
 <template>
   <div class="wrapper">
-    <!-- Mobile fallback (V1) -->
-    <div v-if="isMobileScreen" class="mobile-fallback">
-      <div class="mini-map">
-        <svg viewBox="0 0 200 120" xmlns="http://www.w3.org/2000/svg" aria-hidden="true">
-          <circle cx="100" cy="60" r="8" fill="#3b82f6" />
-          <circle cx="50" cy="35" r="5" fill="#10b981" />
-          <circle cx="150" cy="35" r="5" fill="#f59e0b" />
-          <circle cx="55" cy="90" r="5" fill="#ef4444" />
-          <circle cx="145" cy="90" r="5" fill="#8b5cf6" />
-          <line x1="100" y1="60" x2="50" y2="35" stroke="#94a3b8" stroke-width="0.8" opacity="0.5" />
-          <line x1="100" y1="60" x2="150" y2="35" stroke="#94a3b8" stroke-width="0.8" opacity="0.5" />
-          <line x1="100" y1="60" x2="55" y2="90" stroke="#94a3b8" stroke-width="0.8" opacity="0.5" />
-          <line x1="100" y1="60" x2="145" y2="90" stroke="#94a3b8" stroke-width="0.8" opacity="0.5" />
-        </svg>
-      </div>
-      <p class="msg">
-        Carte O optimisee desktop. Retournez sur grand ecran pour explorer la mindmap interactive.
-      </p>
-    </div>
-
     <!-- Loading state -->
-    <div v-else-if="!data && !error" class="state">
+    <div v-if="!data && !error" class="state">
       <span>Chargement de la Carte O...</span>
     </div>
 
@@ -148,34 +125,4 @@ onMounted(async () => {
 .state.error {
   color: #dc2626;
 }
-
-.mobile-fallback {
-  height: 100%;
-  display: flex;
-  flex-direction: column;
-  align-items: center;
-  justify-content: center;
-  padding: 1.5rem;
-  text-align: center;
-  gap: 1rem;
-}
-
-.mini-map {
-  width: 70%;
-  max-width: 240px;
-}
-
-.mini-map svg {
-  width: 100%;
-  height: auto;
-}
-
-.msg {
-  color: #6b7280;
-  font-size: 0.85rem;
-  line-height: 1.45;
-  font-style: italic;
-  max-width: 24rem;
-  margin: 0;
-}
 </style>
diff --git a/src/components/vue/EmbedDynamique.vue b/src/components/vue/EmbedDynamique.vue
index 1be71fc..544e649 100644
--- a/src/components/vue/EmbedDynamique.vue
+++ b/src/components/vue/EmbedDynamique.vue
@@ -1,9 +1,16 @@
 <script setup lang="ts">
+// V1.5-A.9 : iframe AEP responsive sur mobile.
+// AEP est confirmé responsive (viewport meta + media queries Tailwind md:).
+// Mobile (<768px) : on retire le hack scale 0.42 + viewport simulé 1440px,
+//   l'iframe rend à width:100% / height:100% nativement.
+// Desktop (≥768px) : on conserve le rendu desktop forcé (scale dynamique) pour garder
+//   la mise en page riche de la carte AEP dans la col centre étroite (~480px).
 import { ref, computed, onMounted, onUnmounted } from 'vue'
 
 const iframeRef = ref<HTMLIFrameElement | null>(null)
 const wrapperRef = ref<HTMLDivElement | null>(null)
 const skeletonHidden = ref(false)
+const isMobile = ref(false)
 
 // Force rendu desktop de l'iframe AEP : viewport simulee 1440px + scale dynamique
 const VIEWPORT_W = 1440
@@ -16,12 +23,24 @@ const updateScale = () => {
   if (w > 0) iframeScale.value = w / VIEWPORT_W
 }
 
-const iframeStyle = computed(() => ({
-  width: VIEWPORT_W + 'px',
-  height: (100 / iframeScale.value) + '%',
-  transform: `scale(${iframeScale.value})`,
-  transformOrigin: '0 0',
-}))
+const iframeStyle = computed(() => {
+  if (isMobile.value) {
+    // Mobile : rendu natif responsive, pas de scale
+    return {
+      width: '100%',
+      height: '100%',
+      transform: 'none',
+      transformOrigin: '0 0',
+    }
+  }
+  // Desktop : viewport simulé 1440px + scale dynamique (workaround col étroite)
+  return {
+    width: VIEWPORT_W + 'px',
+    height: (100 / iframeScale.value) + '%',
+    transform: `scale(${iframeScale.value})`,
+    transformOrigin: '0 0',
+  }
+})
 
 let fallbackTimer: ReturnType<typeof setTimeout> | null = null
 
@@ -33,7 +52,13 @@ const revealIframe = () => {
   skeletonHidden.value = true
 }
 
+const detectMobile = () => {
+  isMobile.value = window.matchMedia('(max-width: 767px)').matches
+}
+
 onMounted(() => {
+  detectMobile()
+  window.addEventListener('resize', detectMobile)
   if (wrapperRef.value && typeof ResizeObserver !== 'undefined') {
     updateScale()
     resizeObs = new ResizeObserver(updateScale)
@@ -48,6 +73,7 @@ onMounted(() => {
 onUnmounted(() => {
   resizeObs?.disconnect()
   resizeObs = null
+  window.removeEventListener('resize', detectMobile)
   if (fallbackTimer) {
     clearTimeout(fallbackTimer)
     fallbackTimer = null
diff --git a/src/pages/a-propos.astro b/src/pages/a-propos.astro
index 83d3250..c08ea75 100644
--- a/src/pages/a-propos.astro
+++ b/src/pages/a-propos.astro
@@ -2,14 +2,11 @@
 export const prerender = true;
 
 import BaseLayout from '../layouts/BaseLayout.astro';
-import HamburgerMenu from '../components/astro/HamburgerMenu.astro';
 ---
 <BaseLayout
   title="A propos - Jules Neny"
   description="Architecte HMONP, ecrivain politique, facilitateur. Bagneres-de-Bigorre, Pyrenees."
 >
-  <HamburgerMenu />
-
   <main class="h-full overflow-y-auto bg-white">
     <article class="max-w-2xl mx-auto px-6 py-16 md:py-24">
 
diff --git a/src/pages/index.astro b/src/pages/index.astro
index 0c8dcaa..e81ae7f 100644
--- a/src/pages/index.astro
+++ b/src/pages/index.astro
@@ -6,12 +6,10 @@ import ColJournal from '../components/astro/ColJournal.astro';
 import ColCentre from '../components/astro/ColCentre.astro';
 import ColInsta from '../components/astro/ColInsta.astro';
 import SwipeContainer from '../components/vue/SwipeContainer.vue';
-import HamburgerMenu from '../components/astro/HamburgerMenu.astro';
 import MobileTabBar from '../components/astro/MobileTabBar.astro';
 import PopupOnboarding from '../components/astro/PopupOnboarding.astro';
 ---
 <BaseLayout title="trans-former.fr">
-  <HamburgerMenu />
   <MobileTabBar />
   <PopupOnboarding />
 
diff --git a/src/pages/manifeste.astro b/src/pages/manifeste.astro
index 799ae52..66630ab 100644
--- a/src/pages/manifeste.astro
+++ b/src/pages/manifeste.astro
@@ -2,7 +2,6 @@
 export const prerender = true;
 
 import BaseLayout from '../layouts/BaseLayout.astro';
-import HamburgerMenu from '../components/astro/HamburgerMenu.astro';
 ---
 <BaseLayout
   title="Manifeste - Architecture d'Ecologie Politique"
@@ -11,8 +10,6 @@ import HamburgerMenu from '../components/astro/HamburgerMenu.astro';
   articleDate="2026-05-01"
   articleDescription="Manifeste fondateur des Agences d'Ecologie Politique - un commun vivant pour bifurquer ensemble."
 >
-  <HamburgerMenu />
-
   <main class="h-full overflow-y-auto bg-white">
     <article class="max-w-2xl mx-auto px-6 py-16 md:py-24">
 
diff --git a/src/pages/manifeste/commander.astro b/src/pages/manifeste/commander.astro
index d2c7dbc..7a880ac 100644
--- a/src/pages/manifeste/commander.astro
+++ b/src/pages/manifeste/commander.astro
@@ -2,14 +2,11 @@
 export const prerender = true;
 
 import BaseLayout from '../../layouts/BaseLayout.astro';
-import HamburgerMenu from '../../components/astro/HamburgerMenu.astro';
 ---
 <BaseLayout
   title="Commander la version imprimee - Manifeste AEP"
   description="Pre-inscription pour la version imprimee du manifeste Architecture d'Ecologie Politique."
 >
-  <HamburgerMenu />
-
   <main class="h-full overflow-y-auto bg-white">
     <article class="max-w-xl mx-auto px-6 py-16 md:py-24">
 
diff --git a/src/pages/mentions-legales.astro b/src/pages/mentions-legales.astro
index 635a9cc..9dc3839 100644
--- a/src/pages/mentions-legales.astro
+++ b/src/pages/mentions-legales.astro
@@ -2,14 +2,11 @@
 export const prerender = true;
 
 import BaseLayout from '../layouts/BaseLayout.astro';
-import HamburgerMenu from '../components/astro/HamburgerMenu.astro';
 ---
 <BaseLayout
   title="Mentions legales - trans-former.fr"
   description="Mentions legales du site trans-former.fr."
 >
-  <HamburgerMenu />
-
   <main class="h-full overflow-y-auto bg-white">
     <article class="max-w-2xl mx-auto px-6 py-16 md:py-24">