feat: blog modal with animation, replace trial form with product/location/webhook widget

src/input.css

@@ -15,3 +15,33 @@ body {
     color: #201824;
     background-color: #ffffff;
 }
+
+/* ── Blog post modal animations ───────────────────────── */
+
+@keyframes modal-slide-in {
+    from {
+        opacity: 0;
+        transform: scale(0.95) translateY(20px);
+    }
+    to {
+        opacity: 1;
+        transform: scale(1) translateY(0);
+    }
+}
+
+@keyframes modal-fade-in {
+    from {
+        opacity: 0;
+    }
+    to {
+        opacity: 1;
+    }
+}
+
+.modal-animate-box {
+    animation: modal-slide-in 0.3s cubic-bezier(0.16, 1, 0.3, 1) both;
+}
+
+.modal-animate-backdrop {
+    animation: modal-fade-in 0.2s ease both;
+}