Brighten hero subtitle text

Changed from muted (#B0B0B0) to primary text color (#F5F5F5)

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

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

wp-content/themes/homeproz/template-parts/components/hero-section.scss

@@ -88,7 +88,7 @@
 
 .hero-section-subtitle {
     font-size: 1.25rem;
-    color: var(--color-text-muted);
+    color: var(--color-text);
     margin-bottom: 2rem;
     max-width: 600px;
     margin-left: auto;