Nav: replace inline search box with a «🔎 جستجو» link to /Search

The hero is now the primary search; the navbar just links to the search
page (cleaner header, less clutter on mobile). Typeahead remains on the
hero (form[data-suggest]).

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

src/JobsMedical.Web/Pages/Shared/_Layout.cshtml

@@ -116,13 +116,8 @@
                     <a asp-page="/Talent/Index" class="@(path.StartsWith("/Talent") ? "active" : null)">آماده به کار</a>
                     <a asp-page="/Facilities/Index" class="@(path.StartsWith("/Facilities") ? "active" : null)">مراکز درمانی</a>
                     <a asp-page="/Calendar/Index" class="@(path.StartsWith("/Calendar") ? "active" : null)">تقویم هفتگی</a>
+                    <a asp-page="/Search" class="nav-search-link @(path.StartsWith("/Search") ? "active" : null)">🔎 جستجو</a>
                 </nav>
-                <form class="nav-search" method="get" action="/Search" role="search" data-suggest>
-                    <div class="nav-search-pill">
-                        <input type="search" name="Q" placeholder="جستجو…" aria-label="جستجو" autocomplete="off" />
-                        <button type="submit" aria-label="جستجو">🔎</button>
-                    </div>
-                </form>
                 <div class="header-actions">
                     <a class="btn btn-accent btn-sm cta-post" asp-page="/Employer/Index" data-tour="post">＋ ثبت آگهی</a>
                     @if (User.Identity?.IsAuthenticated == true)