diff --git a/assets/css/custom.scss b/assets/css/custom.scss
index 225f340..25161b5 100644
--- a/assets/css/custom.scss
+++ b/assets/css/custom.scss
@@ -342,3 +342,115 @@ h1 {
   border-radius: 10px;
   box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
 }
+
+// sia2024
+
+.bg-gray-light {
+  background-color: #f7f7f7;
+}
+
+.container-lg {
+  max-width: 1200px;
+  margin: 0 auto;
+}
+
+.p-responsive {
+  padding: 0 1rem;
+}
+
+.py-5 {
+  padding-top: 3rem;
+  padding-bottom: 3rem;
+}
+
+.py-md-6 {
+  padding-top: 4.5rem;
+  padding-bottom: 4.5rem;
+}
+
+.text-center {
+  text-align: center;
+}
+
+.alt-h2 {
+  font-size: 2rem;
+  margin-bottom: 1rem;
+}
+
+.video-grid {
+  display: grid;
+  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
+  gap: 20px;
+  justify-content: center;
+}
+
+.video-thumbnail {
+  position: relative;
+  width: 100%;
+  cursor: pointer;
+}
+
+.video-thumbnail img {
+  width: 100%;
+  height: auto;
+  border-radius: 10px;
+  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
+}
+
+.video-thumbnail .play-button {
+  position: absolute;
+  top: 50%;
+  left: 50%;
+  transform: translate(-50%, -50%);
+  background-color: rgba(0, 0, 0, 0.5);
+  border-radius: 50%;
+  width: 60px;
+  height: 60px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  opacity: 0;
+  transition: opacity 0.3s;
+}
+
+.video-thumbnail:hover .play-button {
+  opacity: 1;
+}
+
+.video-thumbnail .play-button::before {
+  content: '';
+  border-style: solid;
+  border-width: 12px 0 12px 20px;
+  border-color: transparent transparent transparent white;
+}
+
+.logo-grid {
+  display: flex;
+  flex-wrap: wrap;
+  justify-content: center;
+  gap: 1rem;
+}
+
+.logo-grid img {
+  max-width: 100px;
+  height: auto;
+}
+
+.media-grid {
+  display: flex;
+  flex-wrap: wrap;
+  justify-content: center;
+  gap: 1rem;
+}
+
+.media-grid a {
+  display: block;
+  text-decoration: none;
+}
+
+.media-grid img {
+  max-width: 100%;
+  height: auto;
+  border-radius: 10px;
+  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
+}
diff --git a/assets/js/sia2024-video.js b/assets/js/sia2024-video.js
new file mode 100644
index 0000000..b2d6c5b
--- /dev/null
+++ b/assets/js/sia2024-video.js
@@ -0,0 +1,12 @@
+document.addEventListener('DOMContentLoaded', function() {
+    const videoThumbnails = document.querySelectorAll('.video-thumbnail');
+  
+    videoThumbnails.forEach(thumbnail => {
+      thumbnail.addEventListener('click', function() {
+        const videoId = thumbnail.getAttribute('data-video-id');
+        const videoUrl = `https://www.youtube.com/watch?v=${videoId}`;
+        window.open(videoUrl, '_blank');
+      });
+    });
+  });
+  
\ No newline at end of file
diff --git a/sia2024.md b/sia2024.md
index 94c9bc5..28126ad 100644
--- a/sia2024.md
+++ b/sia2024.md
@@ -5,6 +5,39 @@ description: Retour sur la première mondiale au SIA 2024
 permalink: /sia2024/
 ---
 
+<section id="topics" class="bg-gray-light">
+  <div class="container-lg p-responsive py-5 py-md-6 text-center">
+    <h3 class="alt-h2 mb-4">Les sujets</h3>
+    <p>Pour plus de vidéos, visitez notre page dédiée : <a href="https://videos.gaia-ia.org/" target="_blank">Vidéos GAIA</a></p>
+    <div class="video-grid">
+      <div class="video-thumbnail" data-video-id="yd9agyhuDp4">
+        <a href="https://www.youtube.com/watch?v=yd9agyhuDp4" target="_blank">
+          <img src="https://img.youtube.com/vi/yd9agyhuDp4/0.jpg" alt="Miniature de la vidéo 1">
+        </a>
+        <div class="play-button"></div>
+      </div>
+      <div class="video-thumbnail" data-video-id="LHFijUmdHnQ">
+        <a href="https://www.youtube.com/watch?v=LHFijUmdHnQ" target="_blank">
+          <img src="https://img.youtube.com/vi/LHFijUmdHnQ/0.jpg" alt="Miniature de la vidéo 2">
+        </a>
+        <div class="play-button"></div>
+      </div>
+      <div class="video-thumbnail" data-video-id="43nrjAhT1oo">
+        <a href="https://www.youtube.com/watch?v=43nrjAhT1oo" target="_blank">
+          <img src="https://img.youtube.com/vi/43nrjAhT1oo/0.jpg" alt="Miniature de la vidéo 3">
+        </a>
+        <div class="play-button"></div>
+      </div>
+    </div>
+  </div>
+</section>
+
+<section id="participants" class="bg-gray-light">
+  <div class="container-lg p-responsive py-5 py-md-6 text-center">
+    <h3 class="alt-h2 mb-4">Les participants et contributeurs</h3>
+  </div>
+</section>
+
 <section id="sia2024" class="bg-gray-light">
   <div class="container-lg p-responsive py-5 py-md-6 text-center">
     <h3 class="alt-h2 mb-4">Retour sur la première mondiale au SIA 2024</h3>
@@ -30,3 +63,5 @@ permalink: /sia2024/
     </div>
   </div>
 </section>
+
+<script src="/assets/js/sia2024-video.js"></script>