diff --git a/src/legal/routes.py b/src/legal/routes.py
index 0e84388..c99586a 100644
--- a/src/legal/routes.py
+++ b/src/legal/routes.py
@@ -12,6 +12,7 @@ from src.legal import LEGAL_VERSION, legal_bp
 
 CONTENT_DIR = Path(__file__).parent / 'content'
 
+# All slugs that have a markdown file rendered by this blueprint.
 VALID_PAGES = (
     'conditions',
     'confidentialite',
@@ -21,6 +22,17 @@ VALID_PAGES = (
     'mentions',
 )
 
+# Display order on the index page (mentions kept in VALID_PAGES but
+# rendered last on /legal/ — purely a presentation choice).
+DISPLAY_ORDER = (
+    'conditions',
+    'confidentialite',
+    'cookies',
+    'remboursement',
+    'accessibilite',
+    'mentions',
+)
+
 PAGE_TITLES = {
     'conditions': "Conditions d'utilisation",
     'confidentialite': "Politique de confidentialité (Loi 25)",
@@ -39,6 +51,90 @@ PAGE_DESCRIPTIONS = {
     'mentions': "Mentions légales — DictIA Inc. (filiale d'InnovA AI S.E.N.C.).",
 }
 
+# Inline SVG icons (semantic, brand-colored). Each opens with a 24x24 viewBox.
+PAGE_ICONS = {
+    'conditions': (
+        '<svg xmlns="http://www.w3.org/2000/svg" width="28" height="28" viewBox="0 0 24 24" '
+        'fill="none" stroke="currentColor" stroke-width="1.7" stroke-linecap="round" '
+        'stroke-linejoin="round" aria-hidden="true">'
+        '<path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z"/>'
+        '<polyline points="14 2 14 8 20 8"/>'
+        '<line x1="9" y1="13" x2="15" y2="13"/>'
+        '<line x1="9" y1="17" x2="15" y2="17"/>'
+        '</svg>'
+    ),
+    'confidentialite': (
+        '<svg xmlns="http://www.w3.org/2000/svg" width="28" height="28" viewBox="0 0 24 24" '
+        'fill="none" stroke="currentColor" stroke-width="1.7" stroke-linecap="round" '
+        'stroke-linejoin="round" aria-hidden="true">'
+        '<path d="M12 22s8-4 8-10V5l-8-3-8 3v7c0 6 8 10 8 10z"/>'
+        '<polyline points="9 12 11 14 15 10"/>'
+        '</svg>'
+    ),
+    'cookies': (
+        '<svg xmlns="http://www.w3.org/2000/svg" width="28" height="28" viewBox="0 0 24 24" '
+        'fill="none" stroke="currentColor" stroke-width="1.7" stroke-linecap="round" '
+        'stroke-linejoin="round" aria-hidden="true">'
+        '<path d="M12 2a10 10 0 1 0 10 10 4 4 0 0 1-5-5 4 4 0 0 1-5-5"/>'
+        '<circle cx="8.5" cy="10.5" r="0.6" fill="currentColor"/>'
+        '<circle cx="13" cy="14" r="0.6" fill="currentColor"/>'
+        '<circle cx="16" cy="9" r="0.6" fill="currentColor"/>'
+        '<circle cx="9" cy="15.5" r="0.6" fill="currentColor"/>'
+        '</svg>'
+    ),
+    'remboursement': (
+        '<svg xmlns="http://www.w3.org/2000/svg" width="28" height="28" viewBox="0 0 24 24" '
+        'fill="none" stroke="currentColor" stroke-width="1.7" stroke-linecap="round" '
+        'stroke-linejoin="round" aria-hidden="true">'
+        '<path d="M21 12V8a2 2 0 0 0-2-2H5a2 2 0 0 0-2 2v8a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-1"/>'
+        '<path d="M16 12h5"/>'
+        '<circle cx="17" cy="12" r="2"/>'
+        '<path d="M3 9l4-4 2 2"/>'
+        '</svg>'
+    ),
+    'accessibilite': (
+        '<svg xmlns="http://www.w3.org/2000/svg" width="28" height="28" viewBox="0 0 24 24" '
+        'fill="none" stroke="currentColor" stroke-width="1.7" stroke-linecap="round" '
+        'stroke-linejoin="round" aria-hidden="true">'
+        '<circle cx="12" cy="12" r="10"/>'
+        '<circle cx="12" cy="6.5" r="1.2" fill="currentColor"/>'
+        '<path d="M5 9h14"/>'
+        '<path d="M12 9v4l-3 6"/>'
+        '<path d="M12 13l3 6"/>'
+        '</svg>'
+    ),
+    'mentions': (
+        '<svg xmlns="http://www.w3.org/2000/svg" width="28" height="28" viewBox="0 0 24 24" '
+        'fill="none" stroke="currentColor" stroke-width="1.7" stroke-linecap="round" '
+        'stroke-linejoin="round" aria-hidden="true">'
+        '<rect x="3" y="4" width="18" height="16" rx="2"/>'
+        '<line x1="7" y1="9" x2="17" y2="9"/>'
+        '<line x1="7" y1="13" x2="17" y2="13"/>'
+        '<line x1="7" y1="17" x2="13" y2="17"/>'
+        '</svg>'
+    ),
+    'agpl': (
+        '<svg xmlns="http://www.w3.org/2000/svg" width="28" height="28" viewBox="0 0 24 24" '
+        'fill="none" stroke="currentColor" stroke-width="1.7" stroke-linecap="round" '
+        'stroke-linejoin="round" aria-hidden="true">'
+        '<polyline points="16 18 22 12 16 6"/>'
+        '<polyline points="8 6 2 12 8 18"/>'
+        '<line x1="14" y1="4" x2="10" y2="20"/>'
+        '</svg>'
+    ),
+}
+
+# External links surfaced on the legal index alongside the markdown pages.
+EXTERNAL_LINKS = (
+    {
+        'slug': 'agpl',
+        'title': 'Code source AGPL',
+        'description': "Code source de DictIA publié sous licence AGPL-3.0 — conformité art. 13 de la licence.",
+        'url': 'https://gitea.dictia.ca',
+        'external': True,
+    },
+)
+
 
 def _render_markdown(page: str) -> str:
     """Read the markdown file for `page` and return rendered HTML."""
@@ -53,11 +149,24 @@ def _render_markdown(page: str) -> str:
     )
 
 
+def _neighbour(slug: str, offset: int):
+    """Return the (slug, title) of the previous/next page in DISPLAY_ORDER."""
+    if slug not in DISPLAY_ORDER:
+        return None, None
+    idx = DISPLAY_ORDER.index(slug) + offset
+    if idx < 0 or idx >= len(DISPLAY_ORDER):
+        return None, None
+    neighbour_slug = DISPLAY_ORDER[idx]
+    return neighbour_slug, PAGE_TITLES[neighbour_slug]
+
+
 @legal_bp.route('/<page>')
 def legal_page(page):
     """Render one of the 6 legal pages by slug."""
     if page not in VALID_PAGES:
         abort(404)
+    prev_slug, prev_title = _neighbour(page, -1)
+    next_slug, next_title = _neighbour(page, +1)
     return render_template(
         'legal/_layout.html',
         title=PAGE_TITLES[page],
@@ -65,20 +174,40 @@ def legal_page(page):
         content=_render_markdown(page),
         page=page,
         legal_version=LEGAL_VERSION,
+        prev_page=prev_slug,
+        prev_title=prev_title,
+        next_page=next_slug,
+        next_title=next_title,
     )
 
 
 @legal_bp.route('/')
 def legal_index():
-    """Index page listing all 6 legal pages."""
+    """Index page listing all internal legal pages plus external links."""
     pages = [
-        {'slug': slug, 'title': PAGE_TITLES[slug], 'description': PAGE_DESCRIPTIONS[slug]}
-        for slug in VALID_PAGES
+        {
+            'slug': slug,
+            'title': PAGE_TITLES[slug],
+            'description': PAGE_DESCRIPTIONS[slug],
+            'icon': PAGE_ICONS.get(slug, ''),
+            'external': False,
+        }
+        for slug in DISPLAY_ORDER
+    ] + [
+        {
+            'slug': link['slug'],
+            'title': link['title'],
+            'description': link['description'],
+            'icon': PAGE_ICONS.get(link['slug'], ''),
+            'url': link['url'],
+            'external': True,
+        }
+        for link in EXTERNAL_LINKS
     ]
     return render_template(
         'legal/index.html',
         title="Documents légaux DictIA",
-        description="Index des documents légaux DictIA — conditions, confidentialité, cookies, remboursement, accessibilité, mentions.",
+        description="Index des documents légaux DictIA — conditions, confidentialité, cookies, remboursement, accessibilité, mentions, code source AGPL.",
         pages=pages,
         legal_version=LEGAL_VERSION,
     )
diff --git a/templates/legal/_layout.html b/templates/legal/_layout.html
index 4490c17..7d20057 100644
--- a/templates/legal/_layout.html
+++ b/templates/legal/_layout.html
@@ -5,24 +5,38 @@
 
 {% block head_extra %}
 <style>
-  /* Typographic styles for markdown-rendered legal content.
-     Inlined here so we don't need to rebuild static/css/marketing.css. */
+  /* ---------------------------------------------------------------------------
+     Typographie pour le markdown rendu (héritée de B-2.9, étendue B-2.10).
+     Inlinée pour ne pas avoir à reconstruire static/css/marketing.css.
+  --------------------------------------------------------------------------- */
   .legal-content h2 {
+    position: relative;
     font-size: 1.5rem; /* 24px */
     line-height: 2rem;
     font-weight: 700;
     color: #060d1a; /* brand-navy */
-    margin-top: 2rem;
-    margin-bottom: 0.75rem;
+    margin-top: 2.75rem;
+    margin-bottom: 1rem;
     letter-spacing: -0.022em;
+    scroll-margin-top: 90px; /* pour ancres sous le header sticky */
+  }
+  .legal-content h2::after {
+    content: '';
+    display: block;
+    width: 56px;
+    height: 4px;
+    margin-top: 0.5rem;
+    border-radius: 4px;
+    background: linear-gradient(118deg, #0062ff, #00bdd8 52%, #00c896);
   }
   .legal-content h3 {
     font-size: 1.25rem; /* 20px */
     line-height: 1.75rem;
     font-weight: 600;
     color: #060d1a;
-    margin-top: 1.5rem;
-    margin-bottom: 0.5rem;
+    margin-top: 2rem;
+    margin-bottom: 0.75rem;
+    scroll-margin-top: 90px;
   }
   .legal-content h4 {
     font-size: 1.05rem;
@@ -34,17 +48,17 @@
   .legal-content p {
     margin-bottom: 1rem;
     font-size: 1rem;
-    line-height: 1.7;
+    line-height: 1.75;
   }
   .legal-content ul,
   .legal-content ol {
     margin-bottom: 1rem;
     margin-left: 1.5rem;
-    line-height: 1.7;
+    line-height: 1.75;
   }
   .legal-content ul { list-style-type: disc; list-style-position: outside; }
   .legal-content ol { list-style-type: decimal; list-style-position: outside; }
-  .legal-content li { margin-bottom: 0.25rem; }
+  .legal-content li { margin-bottom: 0.35rem; }
   .legal-content a {
     background: linear-gradient(118deg, #0062ff, #00bdd8 52%, #00c896);
     -webkit-background-clip: text;
@@ -61,26 +75,33 @@
   }
   .legal-content table {
     width: 100%;
-    margin-bottom: 1rem;
+    margin: 1rem 0 1.5rem;
     border-collapse: collapse;
     font-size: 0.875rem;
   }
   .legal-content th,
   .legal-content td {
     border: 1px solid #e6ebf2;
-    padding: 0.5rem;
+    padding: 0.6rem 0.75rem;
     text-align: left;
+    vertical-align: top;
   }
   .legal-content th {
     background-color: #f7f9fc;
     font-weight: 600;
+    color: #060d1a;
+  }
+  .legal-content tbody tr:nth-child(even) td {
+    background-color: #fafbfd;
   }
   .legal-content blockquote {
     border-left: 4px solid #0062ff;
-    padding-left: 1rem;
-    margin: 1rem 0;
+    background-color: rgba(247, 249, 252, 0.6);
+    padding: 0.75rem 1rem;
+    margin: 1.25rem 0;
+    border-radius: 0 8px 8px 0;
     font-style: italic;
-    color: rgba(6, 13, 26, 0.7);
+    color: rgba(6, 13, 26, 0.75);
   }
   .legal-content code {
     padding: 0.15rem 0.4rem;
@@ -89,6 +110,19 @@
     font-size: 0.875rem;
     font-family: 'JetBrains Mono Variable', 'JetBrains Mono', monospace;
   }
+  .legal-content pre {
+    background-color: #f7f9fc;
+    border: 1px solid #e6ebf2;
+    border-radius: 8px;
+    padding: 1rem;
+    overflow-x: auto;
+    margin-bottom: 1.25rem;
+    font-size: 0.875rem;
+  }
+  .legal-content pre code {
+    background-color: transparent;
+    padding: 0;
+  }
   .legal-content hr {
     margin: 2rem 0;
     border: none;
@@ -107,28 +141,239 @@
     font-size: 0.9rem;
     color: #78350f;
   }
+
+  /* ---------------------------------------------------------------------------
+     Sticky TOC + breadcrumb (desktop ≥ lg).
+  --------------------------------------------------------------------------- */
+  .legal-toc {
+    position: sticky;
+    top: 86px; /* sous header 62px + marge */
+    max-height: calc(100vh - 110px);
+    overflow-y: auto;
+  }
+  .legal-toc a {
+    border-left: 2px solid transparent;
+    transition: color 150ms ease, border-color 150ms ease, background-color 150ms ease;
+  }
+  .legal-toc a:hover {
+    background-color: rgba(0, 98, 255, 0.05);
+  }
+  .legal-toc a.is-active {
+    border-left-color: #0062ff;
+    color: #0062ff !important;
+    background-color: rgba(0, 98, 255, 0.06);
+  }
+  .legal-breadcrumb {
+    position: sticky;
+    top: 62px;
+    z-index: 30;
+    background-color: rgba(247, 249, 252, 0.92);
+    backdrop-filter: blur(8px);
+    -webkit-backdrop-filter: blur(8px);
+    border-bottom: 1px solid #e6ebf2;
+  }
+
+  /* ---------------------------------------------------------------------------
+     Print stylesheet — hide nav chrome, keep article + header.
+  --------------------------------------------------------------------------- */
+  @media print {
+    header.fixed,
+    .legal-breadcrumb,
+    .legal-toc-wrapper,
+    .legal-prev-next,
+    footer {
+      display: none !important;
+    }
+    main { padding-top: 0 !important; }
+    .legal-content a {
+      color: #000 !important;
+      background: none !important;
+      -webkit-text-fill-color: #000 !important;
+      text-decoration: underline !important;
+    }
+    body { background: white !important; }
+  }
 </style>
 {% endblock %}
 
 {% block content %}
-<section class="bg-brand-bg py-16 px-4" aria-labelledby="legal-title">
-  <article class="max-w-3xl mx-auto bg-white p-8 md:p-10 rounded-[18px] border border-brand-border shadow-cta">
-    <header class="mb-8 pb-6 border-b border-brand-border">
-      <p class="text-xs uppercase tracking-wider text-brand-navy/70 mb-2">Document légal DictIA</p>
-      <h1 id="legal-title" class="text-3xl md:text-4xl font-black text-brand-navy mb-3">{{ title }}</h1>
-      <p class="text-sm text-brand-navy/70">
-        Version {{ legal_version }}{{ ' ' }}&middot;{{ ' ' }}Dernière révision&nbsp;: {{ legal_version }}.
-        Pour toute question, écrivez à <a href="mailto:rprp@dictia.ca" class="grad-text font-semibold">rprp@dictia.ca</a>.
-      </p>
-    </header>
+{# Skip link (WCAG 2.4.1) — visible uniquement au focus clavier. #}
+<a href="#main-content"
+   class="sr-only focus:not-sr-only focus:fixed focus:top-2 focus:left-2 focus:z-[100] focus:px-4 focus:py-2 focus:bg-brand-navy focus:text-white focus:rounded-lg focus-visible:outline-2 focus-visible:outline-brand-b1 focus-visible:outline-offset-2">
+  Aller au contenu principal
+</a>
 
-    <div class="legal-content text-brand-navy/90 leading-relaxed">
-      {{ content | safe }}
-    </div>
+{# Breadcrumb sticky #}
+<nav class="legal-breadcrumb px-4 py-3" aria-label="Fil d'Ariane">
+  <ol class="max-w-[1200px] mx-auto flex flex-wrap items-center gap-2 text-xs md:text-sm text-brand-navy/70">
+    <li><a href="/" class="hover:text-brand-b1 focus-visible:outline-2 focus-visible:outline-brand-b1 focus-visible:outline-offset-2 rounded">Accueil</a></li>
+    <li aria-hidden="true" class="text-brand-navy/40">›</li>
+    <li><a href="{{ url_for('legal.legal_index') }}" class="hover:text-brand-b1 focus-visible:outline-2 focus-visible:outline-brand-b1 focus-visible:outline-offset-2 rounded">Documents légaux</a></li>
+    <li aria-hidden="true" class="text-brand-navy/40">›</li>
+    <li class="text-brand-navy font-semibold truncate" aria-current="page">{{ title }}</li>
+  </ol>
+</nav>
 
-    <footer class="mt-10 pt-6 border-t border-brand-border text-sm text-brand-navy/70">
-      <p>&larr; <a href="{{ url_for('legal.legal_index') }}" class="grad-text font-semibold">Index des documents légaux</a></p>
-    </footer>
-  </article>
+<section class="bg-brand-bg pt-8 pb-16 px-4">
+  <div class="max-w-[1200px] mx-auto lg:grid lg:grid-cols-[1fr_240px] lg:gap-10">
+
+    {# Article principal #}
+    <article id="main-content"
+             role="main"
+             aria-labelledby="legal-title"
+             class="bg-white p-6 md:p-10 rounded-[18px] border border-brand-border shadow-cta order-1">
+      <header class="mb-8 pb-6 border-b border-brand-border">
+        <p class="text-xs uppercase tracking-wider text-brand-navy/70 mb-2">Document légal DictIA</p>
+        <h1 id="legal-title" class="text-3xl md:text-4xl font-black text-brand-navy mb-4 tracking-tight">{{ title }}</h1>
+        <div class="flex flex-wrap items-center gap-x-4 gap-y-2 text-sm text-brand-navy/70">
+          <span class="inline-flex items-center gap-1.5">
+            <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"
+                 stroke-linecap="round" stroke-linejoin="round" aria-hidden="true">
+              <rect x="3" y="4" width="18" height="18" rx="2" ry="2"/>
+              <line x1="16" y1="2" x2="16" y2="6"/>
+              <line x1="8" y1="2" x2="8" y2="6"/>
+              <line x1="3" y1="10" x2="21" y2="10"/>
+            </svg>
+            <span>Version <strong class="text-brand-navy">{{ legal_version }}</strong></span>
+          </span>
+          <span class="text-brand-navy/40" aria-hidden="true">·</span>
+          <span>Dernière mise à jour&nbsp;: {{ legal_version }}</span>
+          <span class="text-brand-navy/40" aria-hidden="true">·</span>
+          <span>RPRP&nbsp;: <a href="mailto:rprp@dictia.ca" class="grad-text font-semibold underline">rprp@dictia.ca</a></span>
+        </div>
+      </header>
+
+      {# TOC mobile (collapsible) — visible < lg seulement #}
+      <details class="lg:hidden mb-6 border border-brand-border rounded-[12px] bg-brand-bg/50">
+        <summary class="cursor-pointer px-4 py-3 text-sm font-semibold text-brand-navy flex items-center justify-between focus-visible:outline-2 focus-visible:outline-brand-b1 focus-visible:outline-offset-2 rounded-[12px]">
+          <span>Sur cette page</span>
+          <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"
+               stroke-linecap="round" stroke-linejoin="round" aria-hidden="true">
+            <polyline points="6 9 12 15 18 9"/>
+          </svg>
+        </summary>
+        <ul id="legal-toc-mobile" class="px-4 pb-3 pt-1 space-y-1 text-sm">
+          {# Rempli côté JS (Alpine via init du desktop). #}
+        </ul>
+      </details>
+
+      <div class="legal-content text-brand-navy/90 leading-relaxed">
+        {{ content | safe }}
+      </div>
+
+      {# Prev / Next navigation #}
+      {% if prev_page or next_page %}
+      <nav class="legal-prev-next mt-12 pt-6 border-t border-brand-border grid sm:grid-cols-2 gap-3"
+           aria-label="Navigation entre documents légaux">
+        {% if prev_page %}
+        <a href="{{ url_for('legal.legal_page', page=prev_page) }}"
+           rel="prev"
+           class="block p-4 bg-brand-bg/60 border border-brand-border rounded-[12px] hover:border-brand-b1 hover:bg-white transition focus-visible:outline-2 focus-visible:outline-brand-b1 focus-visible:outline-offset-2">
+          <span class="block text-xs uppercase tracking-wider text-brand-navy/60 mb-1">
+            <span aria-hidden="true">←</span> Précédent
+          </span>
+          <span class="block text-sm font-semibold text-brand-navy">{{ prev_title }}</span>
+        </a>
+        {% else %}
+        <span></span>
+        {% endif %}
+
+        {% if next_page %}
+        <a href="{{ url_for('legal.legal_page', page=next_page) }}"
+           rel="next"
+           class="block p-4 bg-brand-bg/60 border border-brand-border rounded-[12px] hover:border-brand-b1 hover:bg-white transition focus-visible:outline-2 focus-visible:outline-brand-b1 focus-visible:outline-offset-2 sm:text-right">
+          <span class="block text-xs uppercase tracking-wider text-brand-navy/60 mb-1">
+            Suivant <span aria-hidden="true">→</span>
+          </span>
+          <span class="block text-sm font-semibold text-brand-navy">{{ next_title }}</span>
+        </a>
+        {% endif %}
+      </nav>
+      {% endif %}
+
+      <footer class="mt-8 pt-6 border-t border-brand-border text-sm text-brand-navy/70">
+        <p>
+          <span aria-hidden="true">←</span>
+          <a href="{{ url_for('legal.legal_index') }}" class="grad-text font-semibold">Index des documents légaux</a>
+        </p>
+      </footer>
+    </article>
+
+    {# TOC desktop — sidebar sticky #}
+    <aside class="legal-toc-wrapper hidden lg:block order-2"
+           aria-label="Table des matières">
+      <div x-data="legalToc()"
+           x-init="init()"
+           class="legal-toc bg-white border border-brand-border rounded-[14px] p-5 mt-0">
+        <h2 class="text-xs font-bold uppercase tracking-wider text-brand-navy/70 mb-3">
+          Sur cette page
+        </h2>
+        <ul role="list">
+          <template x-for="item in items" :key="item.id">
+            <li>
+              <a :href="'#' + item.id"
+                 :class="active === item.id ? 'is-active font-semibold' : ''"
+                 :aria-current="active === item.id ? 'true' : null"
+                 class="block py-1.5 pl-3 pr-2 text-sm text-brand-navy/70 hover:text-brand-b1 focus-visible:outline-2 focus-visible:outline-brand-b1 focus-visible:outline-offset-2 rounded"
+                 x-text="item.text"></a>
+            </li>
+          </template>
+          <template x-if="items.length === 0">
+            <li class="text-xs text-brand-navy/50 italic py-1">
+              Aucune section à afficher.
+            </li>
+          </template>
+        </ul>
+      </div>
+    </aside>
+
+  </div>
 </section>
 {% endblock %}
+
+{% block scripts %}
+<script>
+  // Construit la TOC en scannant les <h2> du contenu rendu, met l'élément actif
+  // à jour via IntersectionObserver. Synchronise aussi la liste mobile.
+  function legalToc() {
+    return {
+      items: [],
+      active: '',
+      init() {
+        const populate = () => {
+          const headings = Array.from(document.querySelectorAll('.legal-content h2'));
+          this.items = headings
+            .filter(h => h.id) // markdown.toc auto-id; skip if missing
+            .map(h => ({ id: h.id, text: h.textContent.trim() }));
+
+          // Mirror dans le <details> mobile.
+          const mobileList = document.getElementById('legal-toc-mobile');
+          if (mobileList) {
+            mobileList.innerHTML = '';
+            this.items.forEach(it => {
+              const li = document.createElement('li');
+              const a = document.createElement('a');
+              a.href = '#' + it.id;
+              a.textContent = it.text;
+              a.className = 'block py-1.5 text-brand-navy/80 hover:text-brand-b1 focus-visible:outline-2 focus-visible:outline-brand-b1 focus-visible:outline-offset-2 rounded';
+              li.appendChild(a);
+              mobileList.appendChild(li);
+            });
+          }
+
+          if (headings.length === 0) return;
+          const observer = new IntersectionObserver((entries) => {
+            entries.forEach(e => {
+              if (e.isIntersecting) this.active = e.target.id;
+            });
+          }, { rootMargin: '-100px 0px -60% 0px' });
+          headings.forEach(el => observer.observe(el));
+        };
+        // Lance après que Alpine ait rendu et que le DOM soit posé.
+        if (document.readyState === 'complete') populate();
+        else window.addEventListener('load', populate, { once: true });
+      },
+    };
+  }
+</script>
+{% endblock %}
diff --git a/templates/legal/index.html b/templates/legal/index.html
index 10507c1..5819268 100644
--- a/templates/legal/index.html
+++ b/templates/legal/index.html
@@ -3,25 +3,117 @@
 {% block title %}{{ title }}{% endblock %}
 {% block description %}{{ description }}{% endblock %}
 
+{% block head_extra %}
+<style>
+  /* Card hover/lift uniquement pour les cartes légales (sobre, accessible). */
+  .legal-card {
+    transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
+  }
+  .legal-card:hover {
+    transform: translateY(-2px);
+  }
+  .legal-card:focus-visible {
+    outline: 2px solid #0062ff;
+    outline-offset: 3px;
+  }
+  /* Icône circulaire avec dégradé de marque, contraste suffisant. */
+  .legal-card-icon {
+    background: linear-gradient(135deg, rgba(0,98,255,0.10), rgba(0,200,150,0.10));
+    color: #0062ff;
+  }
+  .legal-card.is-external .legal-card-icon {
+    background: linear-gradient(135deg, rgba(0,189,216,0.12), rgba(0,200,150,0.12));
+  }
+  /* Print : pas de bouton CTA, pas d'animations. */
+  @media print {
+    .legal-card { box-shadow: none !important; transform: none !important; }
+  }
+</style>
+{% endblock %}
+
 {% block content %}
-<section class="bg-brand-bg py-16 px-4 min-h-[60vh]" aria-labelledby="legal-index-title">
-  <div class="max-w-3xl mx-auto">
-    <header class="mb-8 text-center">
-      <p class="text-xs uppercase tracking-wider text-brand-navy/70 mb-2">DictIA Inc.</p>
-      <h1 id="legal-index-title" class="text-3xl md:text-4xl font-black text-brand-navy mb-3">Documents légaux</h1>
-      <p class="text-sm text-brand-navy/70">Version {{ legal_version }} de l'ensemble des documents.</p>
+<a href="#main-content"
+   class="sr-only focus:not-sr-only focus:fixed focus:top-2 focus:left-2 focus:z-[100] focus:px-4 focus:py-2 focus:bg-brand-navy focus:text-white focus:rounded-lg focus-visible:outline-2 focus-visible:outline-brand-b1 focus-visible:outline-offset-2">
+  Aller au contenu principal
+</a>
+
+<section class="bg-brand-bg pt-12 pb-20 px-4" aria-labelledby="legal-index-title">
+  <div id="main-content" class="max-w-[1100px] mx-auto">
+
+    {# Hero #}
+    <header class="text-center max-w-3xl mx-auto mb-12">
+      <p class="eyebrow text-brand-navy/60 mb-3">DictIA Inc.</p>
+      <h1 id="legal-index-title" class="text-4xl md:text-5xl font-black text-brand-navy mb-4 tracking-tight">
+        Documents <span class="grad-text">légaux</span> DictIA
+      </h1>
+      <p class="text-base md:text-lg text-brand-navy/70 leading-relaxed mb-5">
+        Transparence totale conforme à la {{ 'Loi&nbsp;25' | safe }} du Québec : tous nos documents juridiques,
+        notre code source et notre politique de confidentialité sont publics et indexables.
+      </p>
+      <span class="inline-flex items-center gap-2 px-3 py-1.5 rounded-full bg-white border border-brand-border text-xs font-semibold text-brand-navy/80">
+        <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"
+             stroke-linecap="round" stroke-linejoin="round" aria-hidden="true">
+          <circle cx="12" cy="12" r="10"/>
+          <polyline points="12 6 12 12 16 14"/>
+        </svg>
+        <span>Version {{ legal_version }} · dernière mise à jour {{ legal_version }}</span>
+      </span>
     </header>
 
-    <ul class="space-y-3" role="list">
+    {# Grille 6 cartes — 5 internes + 1 externe AGPL #}
+    <ul class="grid sm:grid-cols-2 gap-4 md:gap-5" role="list">
       {% for page in pages %}
       <li>
-        <a href="{{ url_for('legal.legal_page', page=page.slug) }}" class="block p-5 bg-white border border-brand-border rounded-[12px] hover:border-brand-b1 hover:shadow-cta transition focus-visible:outline-2 focus-visible:outline-brand-b1 focus-visible:outline-offset-2">
-          <h2 class="text-lg font-semibold text-brand-navy mb-1">{{ page.title }}</h2>
-          <p class="text-sm text-brand-navy/70">{{ page.description }}</p>
+        {% if page.external %}
+          <a href="{{ page.url }}"
+             target="_blank"
+             rel="noopener noreferrer"
+             class="legal-card is-external group block h-full p-5 md:p-6 bg-white border border-brand-border rounded-[14px] hover:border-brand-b1 hover:shadow-cta focus-visible:outline-2 focus-visible:outline-brand-b1 focus-visible:outline-offset-2 relative">
+        {% else %}
+          <a href="{{ url_for('legal.legal_page', page=page.slug) }}"
+             class="legal-card group block h-full p-5 md:p-6 bg-white border border-brand-border rounded-[14px] hover:border-brand-b1 hover:shadow-cta focus-visible:outline-2 focus-visible:outline-brand-b1 focus-visible:outline-offset-2 relative">
+        {% endif %}
+          <div class="flex items-start gap-4">
+            <div class="legal-card-icon shrink-0 inline-flex items-center justify-center w-12 h-12 rounded-xl">
+              {{ page.icon | safe }}
+            </div>
+            <div class="flex-1 min-w-0">
+              <h2 class="text-base md:text-lg font-bold text-brand-navy mb-1.5 group-hover:grad-text transition-colors">
+                {{ page.title }}{% if page.external %}<span class="ml-1.5 text-brand-b1" aria-hidden="true">↗</span>{% endif %}
+              </h2>
+              <p class="text-sm text-brand-navy/70 leading-relaxed">{{ page.description }}</p>
+              {% if page.external %}
+              <p class="mt-2 text-xs text-brand-navy/50 font-medium">
+                <span aria-hidden="true">→</span>
+                <span>{{ page.url }}</span>
+                <span class="sr-only">(s'ouvre dans un nouvel onglet)</span>
+              </p>
+              {% endif %}
+            </div>
+          </div>
         </a>
       </li>
       {% endfor %}
     </ul>
+
+    {# Bloc info pied — signature, contact, sous-processeurs #}
+    <aside class="mt-12 max-w-3xl mx-auto bg-white border border-brand-border rounded-[14px] p-6 md:p-7"
+           aria-label="Informations complémentaires sur les documents légaux">
+      <p class="text-sm text-brand-navy/80 leading-relaxed mb-3">
+        Documents signés numériquement par <strong class="text-brand-navy">Allison Rioux</strong>,
+        présidente et responsable de la protection des renseignements personnels (RPRP) —
+        version&nbsp;{{ legal_version }}.
+      </p>
+      <p class="text-sm text-brand-navy/80 leading-relaxed mb-3">
+        Pour toute question, demande d'accès, rectification ou plainte&nbsp;:
+        <a href="mailto:rprp@dictia.ca" class="grad-text font-semibold underline">rprp@dictia.ca</a>.
+      </p>
+      <p class="text-xs text-brand-navy/60 leading-relaxed">
+        <strong>5&nbsp;sous-processeurs</strong> : OVH (Beauharnois,&nbsp;QC) ·
+        Google Cloud (Toronto, Ontario) · Cloudflare (US) · HubSpot (US) · Stripe (US) —
+        détails dans la <a href="{{ url_for('legal.legal_page', page='confidentialite') }}" class="grad-text font-semibold">Politique de confidentialité</a>.
+      </p>
+    </aside>
   </div>
 </section>
 {% endblock %}
diff --git a/tests/test_legal_pages.py b/tests/test_legal_pages.py
index 1daef20..c7cb8ce 100644
--- a/tests/test_legal_pages.py
+++ b/tests/test_legal_pages.py
@@ -164,3 +164,168 @@ def test_legal_pages_have_loi25_draft_callout():
                 )
         finally:
             db.session.rollback(); db.drop_all()
+
+
+# ---------------------------------------------------------------------------
+# B-2.10 — UX upgrade tests : AGPL external link, skip link, breadcrumb,
+# landmarks, prev/next navigation, sticky TOC.
+# ---------------------------------------------------------------------------
+
+def test_legal_index_includes_agpl_external_link():
+    """The /legal/ index must surface the AGPL source code as an external link."""
+    with app.app_context():
+        db.create_all()
+        try:
+            client = app.test_client()
+            resp = client.get('/legal/')
+            assert resp.status_code == 200
+            body = resp.data.decode('utf-8')
+            assert 'https://gitea.dictia.ca' in body
+            assert 'target="_blank"' in body
+            assert 'rel="noopener noreferrer"' in body
+            assert 'AGPL' in body
+        finally:
+            db.session.rollback(); db.drop_all()
+
+
+def test_legal_index_lists_5_internal_pages_plus_agpl():
+    """Index must show internal pages + AGPL external card (count >=6)."""
+    with app.app_context():
+        db.create_all()
+        try:
+            client = app.test_client()
+            resp = client.get('/legal/')
+            body = resp.data.decode('utf-8')
+            for slug in ('conditions', 'confidentialite', 'cookies',
+                         'remboursement', 'accessibilite'):
+                assert f'/legal/{slug}' in body, f'Missing internal card: {slug}'
+            # External AGPL link
+            assert 'gitea.dictia.ca' in body
+            # Count cards via the legal-card class
+            assert body.count('legal-card') >= 6, (
+                f'Expected at least 6 legal-card occurrences, found {body.count("legal-card")}'
+            )
+        finally:
+            db.session.rollback(); db.drop_all()
+
+
+def test_legal_pages_have_skip_link():
+    """Every legal page must include a WCAG skip link to #main-content."""
+    with app.app_context():
+        db.create_all()
+        try:
+            client = app.test_client()
+            for page in VALID_PAGES:
+                resp = client.get(f'/legal/{page}')
+                body = resp.data.decode('utf-8')
+                assert 'href="#main-content"' in body, (
+                    f'/legal/{page} missing skip link to #main-content'
+                )
+                assert 'Aller au contenu principal' in body, (
+                    f'/legal/{page} missing French skip link label'
+                )
+        finally:
+            db.session.rollback(); db.drop_all()
+
+
+def test_legal_pages_have_prev_next_navigation():
+    """Each legal page (except first/last) must have prev OR next link to neighbours."""
+    with app.app_context():
+        db.create_all()
+        try:
+            client = app.test_client()
+            for page in VALID_PAGES:
+                resp = client.get(f'/legal/{page}')
+                body = resp.data.decode('utf-8')
+                # The wrapping nav must always be present (rel="prev" OR rel="next").
+                assert 'rel="prev"' in body or 'rel="next"' in body, (
+                    f'/legal/{page} has neither prev nor next neighbour link'
+                )
+        finally:
+            db.session.rollback(); db.drop_all()
+
+
+def test_legal_first_page_no_prev_link():
+    """The first page (conditions) must not expose a 'prev' link."""
+    with app.app_context():
+        db.create_all()
+        try:
+            client = app.test_client()
+            resp = client.get('/legal/conditions')
+            body = resp.data.decode('utf-8')
+            assert 'rel="prev"' not in body, "conditions page should not have a prev link"
+            assert 'rel="next"' in body, "conditions page should have a next link"
+        finally:
+            db.session.rollback(); db.drop_all()
+
+
+def test_legal_last_page_no_next_link():
+    """The last page (mentions) must not expose a 'next' link."""
+    with app.app_context():
+        db.create_all()
+        try:
+            client = app.test_client()
+            resp = client.get('/legal/mentions')
+            body = resp.data.decode('utf-8')
+            assert 'rel="next"' not in body, "mentions page should not have a next link"
+            assert 'rel="prev"' in body, "mentions page should have a prev link"
+        finally:
+            db.session.rollback(); db.drop_all()
+
+
+def test_legal_pages_aside_toc_landmark():
+    """Every legal page must expose an <aside aria-label='Table des matières'> landmark."""
+    with app.app_context():
+        db.create_all()
+        try:
+            client = app.test_client()
+            for page in VALID_PAGES:
+                resp = client.get(f'/legal/{page}')
+                body = resp.data.decode('utf-8')
+                assert 'aria-label="Table des matières"' in body, (
+                    f'/legal/{page} missing TOC aside landmark'
+                )
+        finally:
+            db.session.rollback(); db.drop_all()
+
+
+def test_legal_pages_main_landmark():
+    """Every legal page must wrap its article in role='main' with id='main-content'."""
+    with app.app_context():
+        db.create_all()
+        try:
+            client = app.test_client()
+            for page in VALID_PAGES:
+                resp = client.get(f'/legal/{page}')
+                body = resp.data.decode('utf-8')
+                assert 'id="main-content"' in body, (
+                    f'/legal/{page} missing id="main-content"'
+                )
+                assert 'role="main"' in body, (
+                    f'/legal/{page} missing role="main"'
+                )
+        finally:
+            db.session.rollback(); db.drop_all()
+
+
+def test_legal_pages_breadcrumb_present():
+    """Every legal page must include a Fil d'Ariane breadcrumb."""
+    with app.app_context():
+        db.create_all()
+        try:
+            client = app.test_client()
+            for page in VALID_PAGES:
+                resp = client.get(f'/legal/{page}')
+                body = resp.data.decode('utf-8')
+                assert "aria-label=\"Fil d'Ariane\"" in body, (
+                    f'/legal/{page} missing breadcrumb landmark'
+                )
+                assert 'aria-current="page"' in body, (
+                    f'/legal/{page} missing aria-current="page" on breadcrumb'
+                )
+                # Breadcrumb chain should reference Accueil and Documents légaux
+                assert 'Accueil' in body and 'Documents légaux' in body, (
+                    f'/legal/{page} breadcrumb chain incomplete'
+                )
+        finally:
+            db.session.rollback(); db.drop_all()