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/astro/dist/vite-plugin-ssr-manifest/index.js

@@ -0,0 +1,26 @@
+const manifestVirtualModuleId = "astro:ssr-manifest";
+const resolvedManifestVirtualModuleId = "\0" + manifestVirtualModuleId;
+function vitePluginSSRManifest() {
+  return {
+    name: "@astrojs/vite-plugin-astro-ssr-manifest",
+    enforce: "post",
+    resolveId(id) {
+      if (id === manifestVirtualModuleId) {
+        return resolvedManifestVirtualModuleId;
+      }
+    },
+    load(id) {
+      if (id === resolvedManifestVirtualModuleId) {
+        return {
+          code: `export let manifest = {};
+export function _privateSetManifestDontUseThis(ssrManifest) {
+  manifest = ssrManifest;
+}`
+        };
+      }
+    }
+  };
+}
+export {
+  vitePluginSSRManifest
+};