From c6de06f0174196545cb51964dc5148c071d0d7d0 Mon Sep 17 00:00:00 2001
From: Mieszko Makuch <m.makuch@cyfronet.pl>
Date: Tue, 28 Jul 2026 21:25:59 +0200
Subject: [PATCH] =?UTF-8?q?fix:=20esbuild=20css=20minifier=20=E2=80=94=20l?=
 =?UTF-8?q?ightningcss=20folds=20animation-timeline=20into=20the=20animati?=
 =?UTF-8?q?on=20shorthand=20(invalid),=20silently=20killing=20scroll-drive?=
 =?UTF-8?q?n=20effects=20in=20production?=
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---
 astro.config.mjs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/astro.config.mjs b/astro.config.mjs
index bfae257..50ebe98 100644
--- a/astro.config.mjs
+++ b/astro.config.mjs
@@ -13,6 +13,13 @@ export default defineConfig({
   prefetch: { prefetchAll: true },
   server: { port: 4321, host: true },
   vite: {
+    build: {
+      // Lightning CSS (the default minifier) illegally folds animation-timeline
+      // INTO the `animation` shorthand (`animation: ... view()`), which browsers
+      // reject — silently killing every scroll-driven effect in production.
+      // esbuild minifies without property merging.
+      cssMinify: 'esbuild',
+    },
     server: {
       // Vite blocks unknown Host headers by default; the demo is viewed through an
       // ephemeral cloudflared quick tunnel, so allow any *.trycloudflare.com host.