diff --git a/index.html b/index.html
index ad6863d..39a6623 100644
--- a/index.html
+++ b/index.html
@@ -15,10 +15,18 @@
 
   <style>
     :root {
+      /* OVHcloud Design System palette (ovh/design-system) */
+      --ods-blue-500: #0050d7;
+      --ods-blue-800: #00185e;
+      --ods-text: #4d5592;
+      --ods-neutral-600: #666666;
+
+      /* Tool brand colors */
       --puppet-color: #A06010;
       --ansible-color: #CC0000;
       --terraform-color: #7B42BC;
-      --strip-color: #00A9FF;
+
+      --strip-color: var(--ods-blue-500);
     }
 
     .reveal .slides section {
@@ -38,8 +46,8 @@
 
     .title-slide { text-align: center !important; }
     .title-slide h1 { text-align: center; font-size: 2em; margin-bottom: 0.2em; }
-    .title-slide .subtitle { font-size: 1em; color: #444; }
-    .title-slide .meta { font-size: 0.7em; color: #555; margin-top: 1em; }
+    .title-slide .subtitle { font-size: 1em; color: var(--ods-text); }
+    .title-slide .meta { font-size: 0.7em; color: var(--ods-text); margin-top: 1em; }
     .title-slide .meta a { color: var(--strip-color); }
 
     .puppet-col  { color: var(--puppet-color); }
@@ -49,7 +57,7 @@
     .filename {
       font-family: monospace;
       font-size: 0.65em;
-      color: #555;
+      color: var(--ods-text);
       margin-bottom: 0.2em;
     }
 
@@ -100,7 +108,7 @@
   <section>
     <h2>Arnaud Prémel-Cabic</h2>
     <p>Tech Lead @ OVHCloud</p>
-    <p style="color:#555; font-size:0.75em;">arnaud.premel-cabic@ovhcloud.com</p>
+    <p style="color:var(--ods-text); font-size:0.75em;">arnaud.premel-cabic@ovhcloud.com</p>
     <img src="vendor/ovhcloud-logo.svg" alt="OVHcloud" style="height:32px; width:auto; margin-top:1em;">
   </section>
 
@@ -153,7 +161,7 @@
   <section>
     <h2>Configuration as Code</h2>
     <p>Managing infrastructure through machine-readable files, stored in version control.</p>
-    <p style="margin-top:0.8em; color:#666;">Reproducible &nbsp;·&nbsp; Versionable &nbsp;·&nbsp; Auditable</p>
+    <p style="margin-top:0.8em; color:var(--ods-neutral-600);">Reproducible &nbsp;·&nbsp; Versionable &nbsp;·&nbsp; Auditable</p>
   </section>
 
   <!-- ─── SLIDE 11 ──────────────────────────────────────────────────── -->
diff --git a/vendor/ovhcloud-logo.svg b/vendor/ovhcloud-logo.svg
index 651b427..cc79995 100644
--- a/vendor/ovhcloud-logo.svg
+++ b/vendor/ovhcloud-logo.svg
@@ -1 +1 @@
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+<svg id="Layer_1" data-name="Layer 1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 298.03 47.18"><defs><style>.cls-1,.cls-2{fill:#00185e;}.cls-1{fill-rule:evenodd;}</style></defs><title>OVHcloud logo</title><path class="cls-1" d="M107.11,40.81a40.1,40.1,0,0,1-3.74,44.49H81.93l6.6-11.67H79.8L90.09,55.48h8.78l8.24-14.67ZM64.77,85.3H42.91a39.59,39.59,0,0,1-3.79-44.59L53.3,65.34,68.93,38.12h23L64.78,85.28h0v0Z" transform="translate(-33.97 -38.12)"/><path class="cls-2" d="M125.18,62.4c0-12.59,6.27-18.64,16.57-18.64s16.56,6.05,16.56,18.64S152,81,141.75,81,125.18,74.87,125.18,62.4Zm3.72,0c0,10.35,4.72,15.28,12.85,15.28s12.84-4.93,12.84-15.28-4.72-15.35-12.84-15.35S128.9,52,128.9,62.4Z" transform="translate(-33.97 -38.12)"/><path class="cls-2" d="M185.38,45.25a1.82,1.82,0,0,1,1.7-1.17,1.79,1.79,0,0,1,1.8,1.81,2.42,2.42,0,0,1-.16.79L176.3,79.43a1.78,1.78,0,0,1-3.39,0L160.49,46.68a2.42,2.42,0,0,1-.16-.79,1.79,1.79,0,0,1,1.8-1.81,1.82,1.82,0,0,1,1.7,1.17L174.6,73.81Z" transform="translate(-33.97 -38.12)"/><path class="cls-2" d="M196.42,63.56V78.85a1.81,1.81,0,1,1-3.61,0v-33a1.81,1.81,0,1,1,3.61,0V60.27H214.9V45.89a1.81,1.81,0,1,1,3.61,0v33a1.81,1.81,0,1,1-3.61,0V63.56Z" transform="translate(-33.97 -38.12)"/><path class="cls-2" d="M235.55,55.39a10,10,0,0,1,8.17,3.66,1.56,1.56,0,0,1,.37,1,1.51,1.51,0,0,1-1.54,1.54,1.56,1.56,0,0,1-1.27-.64,6.8,6.8,0,0,0-5.73-2.49c-4.89,0-7.49,3.13-7.49,9.66s2.6,9.71,7.49,9.71a9.68,9.68,0,0,0,6.15-2.28,1.56,1.56,0,0,1,1-.37,1.54,1.54,0,0,1,1.54,1.54,1.63,1.63,0,0,1-.69,1.32,12.06,12.06,0,0,1-8,2.87c-6.85,0-10.94-4.09-10.94-12.79S228.7,55.39,235.55,55.39Z" transform="translate(-33.97 -38.12)"/><path class="cls-2" d="M252.48,44.13V74.45c0,2.12.69,3,2.12,3a1.6,1.6,0,1,1,0,3.19c-3.55,0-5.52-2.13-5.52-6.21V44.13a1.74,1.74,0,0,1,1.7-1.69A1.7,1.7,0,0,1,252.48,44.13Z" transform="translate(-33.97 -38.12)"/><path class="cls-2" d="M281.41,68.13c0,8.7-4.25,12.79-11.15,12.79s-11.14-4.09-11.14-12.79,4.3-12.74,11.14-12.74S281.41,59.42,281.41,68.13Zm-3.45,0c0-6.69-2.81-9.66-7.7-9.66s-7.69,3-7.69,9.66,2.81,9.71,7.69,9.71S278,74.92,278,68.13Z" transform="translate(-33.97 -38.12)"/><path class="cls-2" d="M289.59,57.41V71.26c0,3.45,1.11,6.42,6.47,6.42s6.48-3,6.48-6.42V57.41a1.72,1.72,0,0,1,1.75-1.7,1.67,1.67,0,0,1,1.65,1.7V71.26c0,5-1.65,9.66-9.88,9.66s-9.87-4.62-9.87-9.66V57.41a1.67,1.67,0,0,1,1.7-1.7A1.71,1.71,0,0,1,289.59,57.41Z" transform="translate(-33.97 -38.12)"/><path class="cls-2" d="M328.6,58.84V44.13a1.7,1.7,0,0,1,3.4,0V70.46c0,7-4.35,10.46-10.4,10.46-6.85,0-10.89-4.09-10.89-12.79s3.83-12.74,10.67-12.74A9,9,0,0,1,328.6,58.84Zm0,4.3s-2-4.67-7-4.67-7.49,3.13-7.49,9.66,2.6,9.71,7.49,9.71c4.08,0,7-2.33,7-7.38Z" transform="translate(-33.97 -38.12)"/></svg>