Fix dark/low-contrast text on the homepage recommendations banner

The teal «پیشنهادهای ویژه شما» banner is an <a> that had inline color:inherit, which overrode the
.rec-banner white text with the dark body color — making the subtitle nearly unreadable. Use white.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

src/JobsMedical.Web/Pages/Index.cshtml

@@ -43,7 +43,7 @@
 
 <section class="section" style="padding-bottom:0;">
     <div class="container">
-        <a asp-page="/Recommendations/Index" class="rec-banner" style="text-decoration:none; color:inherit;">
+        <a asp-page="/Recommendations/Index" class="rec-banner" style="text-decoration:none; color:#fff;">
             <div>
                 <h2 style="margin:0 0 4px;">✨ پیشنهادهای ویژه شما</h2>
                 <span style="opacity:.9; font-size:14px;">فرصت‌های متناسب با نقش، شهر و فعالیت شما — همه یک‌جا</span>