fix: Final restoration with port 80

✅ COMPLETED:
1. Dockerfile uses port 80 (astro preview)
2. BaseLayout imports globals.css
3. globals.css with Tailwind v4 @theme syntax
4. index.astro has Header, Footer, FixedContact
5. All image references fixed to existing files
6. Hero uses hdpe_pipe_main.jpg
7. Product cards use hdpe001.jpg
8. pt-20 on main for fixed header

✅ TESTED LOCALLY:
- Build: 15 pages in 1.27s
- Docker build successful
- Port 80 working
- Images load
- CSS works

Ready for Easypanel deployment.

node_modules/zod/v3/helpers/errorUtil.js

@@ -0,0 +1,6 @@
+export var errorUtil;
+(function (errorUtil) {
+    errorUtil.errToObj = (message) => typeof message === "string" ? { message } : message || {};
+    // biome-ignore lint:
+    errorUtil.toString = (message) => typeof message === "string" ? message : message?.message;
+})(errorUtil || (errorUtil = {}));