fix: prevent animation flickering and refine post card hover state

assets/css/tailwind.css

@@ -206,6 +206,14 @@
   fill: currentColor;
 }
 
+.post-grid-item {
+  opacity: 0;
+}
+
+.post-grid-item.animated {
+  opacity: 1;
+}
+
 @keyframes fadeInUp {
   from {
     opacity: 0;
@@ -216,7 +224,3 @@
 .animate-fadeInUp {
   animation: fadeInUp 0.5s ease-out forwards;
 }
-
-.post-grid-item.animated {
-  opacity: 1;
-}

assets/js/main.js

@@ -20,23 +20,21 @@ document.addEventListener('DOMContentLoaded', () => {
     // Re-run animation and other setup when HTMX settles new content
     // Use document instead of document.body to persist across boosted navigation
     document.addEventListener('htmx:afterSettle', (event) => {
-        // Global page fade-in animation
+        // Global page fade-in animation - only on full boosted navigations
+        if (event.detail.boosted) {
             const mainContent = document.getElementById('main-content');
             if (mainContent) {
                 mainContent.classList.remove('animate-fadeInUp');
                 void mainContent.offsetWidth; // Force reflow to restart animation
                 mainContent.classList.add('animate-fadeInUp');
             }
+            animateGridItems();
+        }
 
         // If the settled element is the posts-container or contains grid items
         const target = event.detail.target;
         if (target.id === 'posts-container' || target.querySelector('.post-grid-item')) {
             animateGridItems(target);
         }
-
-        // Handle global boost re-animation
-        if (event.detail.boosted) {
-             animateGridItems();
-        }
     });
 });

partials/post-card.hbs

@@ -1,4 +1,4 @@
-<article class="post-grid-item opacity-0 h-80">
+<article class="post-grid-item h-80">
     <a href="{{url}}" class="group block h-full relative bg-[var(--bg-secondary)] rounded-xl shadow-lg overflow-hidden transition-all duration-500 hover:shadow-2xl hover:-translate-y-2">
         {{#if feature_image}}
             <img