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/sax/LICENSE.md

@@ -0,0 +1,55 @@
+# Blue Oak Model License
+
+Version 1.0.0
+
+## Purpose
+
+This license gives everyone as much permission to work with
+this software as possible, while protecting contributors
+from liability.
+
+## Acceptance
+
+In order to receive this license, you must agree to its
+rules.  The rules of this license are both obligations
+under that agreement and conditions to your license.
+You must not do anything with this software that triggers
+a rule that you cannot or will not follow.
+
+## Copyright
+
+Each contributor licenses you to do everything with this
+software that would otherwise infringe that contributor's
+copyright in it.
+
+## Notices
+
+You must ensure that everyone who gets a copy of
+any part of this software from you, with or without
+changes, also gets the text of this license or a link to
+<https://blueoakcouncil.org/license/1.0.0>.
+
+## Excuse
+
+If anyone notifies you in writing that you have not
+complied with [Notices](#notices), you can keep your
+license by taking all practical steps to comply within 30
+days after the notice.  If you do not do so, your license
+ends immediately.
+
+## Patent
+
+Each contributor licenses you to do everything with this
+software that would otherwise infringe any patent claims
+they can license or become able to license.
+
+## Reliability
+
+No contributor can revoke this license.
+
+## No Liability
+
+***As far as the law allows, this software comes as is,
+without any warranty or condition, and no contributor
+will be liable to anyone for any damages related to this
+software or this license, under any kind of legal claim.***