Update landing page

rss/js/index.js

@@ -0,0 +1,22 @@
+document.addEventListener('DOMContentLoaded', () => {
+  const video = document.getElementById('first-video');
+
+  const observer = new IntersectionObserver((entries) => {
+    entries.forEach((entry) => {
+      if (entry.isIntersecting) {
+        const source = document.createElement('source');
+        source.src = '/rss/videos/couple.mp4';
+        source.type = 'video/mp4';
+        video.appendChild(source);
+
+        video.load();
+        video.play();
+        video.playbackRate = 0.7; // Set after loading
+
+        observer.disconnect();
+      }
+    });
+  });
+
+  observer.observe(video);
+});