diff --git a/server.mjs b/server.mjs
index 94a2720..d53e6cf 100644
--- a/server.mjs
+++ b/server.mjs
@@ -69,13 +69,17 @@ app.post('/api/checkout', async (request, reply) => {
 
 // ── Vérification session ──────────────────────────────────────────────────────
 app.get('/api/session/:id', async (request) => {
-  const session = await stripe.checkout.sessions.retrieve(request.params.id)
+  const session = await stripe.checkout.sessions.retrieve(request.params.id, {
+    expand: ['payment_intent.latest_charge'],
+  })
+  const charge = session.payment_intent?.latest_charge
   return {
     status:         session.payment_status,
     amount:         session.amount_total,
     currency:       session.currency,
     customer_email: session.customer_details?.email ?? null,
     product:        session.metadata?.product ?? null,
+    receipt_url:    charge?.receipt_url ?? null,
   }
 })
 
diff --git a/src/pages/success.astro b/src/pages/success.astro
index e4775b6..7a5846d 100644
--- a/src/pages/success.astro
+++ b/src/pages/success.astro
@@ -125,7 +125,10 @@ import Base from '../layouts/Base.astro';
                     Un email de confirmation vous sera envoyé.<br>
                     Votre lampe est fabriquée à la main à Paris.
                 </p>
-                <a href="/" class="back">← RETOUR À LA COLLECTION</a>
+                <div style="display:flex; gap:0.8rem; flex-wrap:wrap;">
+                    <a href="/" class="back">← RETOUR</a>
+                    <a id="receipt-btn" href="#" target="_blank" rel="noopener" class="back" style="display:none; background:var(--clr-black); color:#e8a800; border-color:var(--clr-black);">↓ FACTURE PDF</a>
+                </div>
             </div>
         </main>
 
@@ -152,7 +155,7 @@ import Base from '../layouts/Base.astro';
         if (sessionId) {
             fetch(`/api/session/${sessionId}`)
                 .then(r => r.json())
-                .then((data: { amount?: number; customer_email?: string; product?: string }) => {
+                .then((data: { amount?: number; customer_email?: string; product?: string; receipt_url?: string }) => {
                     const loading = document.getElementById('loading');
                     const orderDetails = document.getElementById('order-details');
                     if (loading) loading.style.display = 'none';
@@ -168,6 +171,11 @@ import Base from '../layouts/Base.astro';
                         const img = document.getElementById('product-img') as HTMLImageElement;
                         if (img) img.src = PRODUCT_IMAGES[data.product]!;
                     }
+
+                    if (data.receipt_url) {
+                        const btn = document.getElementById('receipt-btn') as HTMLAnchorElement;
+                        if (btn) { btn.href = data.receipt_url; btn.style.display = 'inline-block'; }
+                    }
                 })
                 .catch(() => {
                     const loading = document.getElementById('loading');