Fix CSP violations and revert to stable CSS version

- Add region1.google-analytics.com to CSP headers in index.php and blog articles
- Fix manifest.json icon purpose warning by changing to "any"
- Add mobile-web-app-capable meta tag for mobile compatibility
- Revert CSS files to stable version from commit 5558f53 to resolve hero section animation issues
- Remove spam protection code that was causing layout problems

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Dockerfile

@@ -1,5 +1,12 @@
 FROM php:8.1-apache
 
+# Install required packages
+RUN apt-get update && apt-get install -y \
+    msmtp \
+    msmtp-mta \
+    mailutils \
+    && rm -rf /var/lib/apt/lists/*
+
 # Enable Apache modules
 RUN a2enmod rewrite headers
 
@@ -12,6 +19,11 @@ COPY apache-config.conf /etc/apache2/sites-available/000-default.conf
 # Copy application files
 COPY . /var/www/html/
 
+# Configure msmtp
+COPY .msmtprc /etc/msmtprc
+RUN chmod 600 /etc/msmtprc
+RUN echo "sendmail_path = /usr/bin/msmtp -t" > /usr/local/etc/php/conf.d/mail.ini
+
 # Set proper permissions
 RUN chown -R www-data:www-data /var/www/html
 RUN chmod -R 755 /var/www/html