tailwind v4 update

EDITING.md

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+# Editing The Website
+
+This site is designed so most updates happen in one file:
+
+- `public/index.html`
+
+The design system lives separately in:
+
+- `src/styles.css`
+
+The generated stylesheet served by Nginx is:
+
+- `public/styles.css`
+
+## Common Updates
+
+### Change The Main Headline
+
+Open `public/index.html` and find:
+
+```html
+<h1>Novarix Networks</h1>
+```
+
+Keep this short. The supporting paragraph underneath should explain the offer.
+
+### Change The Services
+
+Open `public/index.html` and find:
+
+```html
+<section class="content-section" id="services">
+```
+
+Each service is an `<article class="service-card reveal">`.
+
+You can safely edit:
+
+- the `<h3>` title
+- the `<p>` description
+- the bullet points inside `<li>`
+
+### Change Contact Details
+
+Open `public/index.html` and search for:
+
+```html
+contact@novarixnet.com
+```
+
+Replace it with the real public inbox when ready.
+
+## When To Run The Tailwind Build
+
+If you only change words in `public/index.html`, the deploy script will still rebuild CSS for you.
+
+On the server, run:
+
+```bash
+cd /var/www/novarixnet.com
+./deploy.sh
+```
+
+That pulls the newest code, rebuilds Tailwind, tests Nginx and reloads the site.
+
+## Local Preview
+
+Install dependencies:
+
+```bash
+npm install --no-package-lock
+```
+
+Build the CSS:
+
+```bash
+npm run build
+```
+
+Preview the `public/` folder with any static server you prefer.
+
+## Server Update
+
+On the Nginx VM:
+
+```bash
+cd /var/www/novarixnet.com
+./deploy.sh
+```