diff --git a/database/seeders/AppDevelopmentPageSeeder.php b/database/seeders/AppDevelopmentPageSeeder.php
index c5dd8cb..6054a28 100644
--- a/database/seeders/AppDevelopmentPageSeeder.php
+++ b/database/seeders/AppDevelopmentPageSeeder.php
@@ -127,6 +127,7 @@ class AppDevelopmentPageSeeder extends Seeder
                 'excerpt' => 'Trunçgil Teknoloji olarak Android ve iOS uygulamalarını Google Play ve App Store\'da yayınlanmaya hazır şekilde titizlikle geliştiriyoruz.',
                 'content' => '',
                 'template' => 'services.app-development',
+                'custom_header_blade' => 'partials.header-app-development',
                 'status' => 'published',
                 'is_homepage' => false,
                 'show_in_menu' => true,
diff --git a/resources/views/partials/header-app-development.blade.php b/resources/views/partials/header-app-development.blade.php
new file mode 100644
index 0000000..d54b288
--- /dev/null
+++ b/resources/views/partials/header-app-development.blade.php
@@ -0,0 +1,89 @@
+{{-- Uygulama Geliştirme sayfası (demo29): center-nav transparent position-absolute navbar-light caret-none --}}
+<header class="relative wrapper">
+  <nav class="navbar navbar-expand-lg center-nav transparent position-absolute navbar-light caret-none">
+    <div class="container xl:!flex-row lg:!flex-row !flex-nowrap items-center">
+      <div class="navbar-brand w-full">
+        <a href="{{ url('/') }}">
+          <img src="{{ asset('assets/img/truncgil-yatay.svg') }}" alt="{{ setting('site_name', config('app.name')) }}" loading="lazy">
+        </a>
+      </div>
+      <div class="navbar-collapse offcanvas offcanvas-nav offcanvas-start">
+        <div class="offcanvas-header xl:!hidden lg:!hidden flex items-center justify-between flex-row p-6">
+          <a href="{{ url('/') }}">
+            <img class="!h-[2.2rem]" src="{{ asset('assets/img/truncgil-yatay-dark.svg') }}" alt="{{ setting('site_name', config('app.name')) }}" loading="lazy">
+          </a>
+          <button type="button" class="btn-close !text-white" data-bs-dismiss="offcanvas" aria-label="{{ __('Close') }}"></button>
+        </div>
+        <div class="offcanvas-body xl:!ml-auto lg:!ml-auto flex flex-col !h-full">
+          @include('components.custom.menu')
+          <div class="offcanvas-footer xl:!hidden lg:!hidden !mt-auto">
+            <div>
+              <a href="mailto:{{ setting('contact_email') }}" class="link-inverse">{{ setting('contact_email') }}</a>
+              <br>
+              <a href="tel:{{ setting('contact_phone') }}">{{ setting('contact_phone') }}</a>
+              <br>
+              @php $social_media = json_decode(setting('social_links'), true) ?? []; @endphp
+              <nav class="nav social social-white !mt-4">
+                @if(!empty($social_media['Twitter']))
+                  <a class="!text-[#cacaca] text-[1rem] transition-all duration-[0.2s] ease-in-out translate-y-0 hover:translate-y-[-0.15rem] m-[0_.7rem_0_0]" href="{{ $social_media['Twitter'] }}" target="_blank" rel="noopener"><i class="uil uil-twitter before:content-['\ed59'] !text-white text-[1rem]"></i></a>
+                @endif
+                @if(!empty($social_media['Facebook']))
+                  <a class="!text-[#cacaca] text-[1rem] transition-all duration-[0.2s] ease-in-out translate-y-0 hover:translate-y-[-0.15rem] m-[0_.7rem_0_0]" href="{{ $social_media['Facebook'] }}" target="_blank" rel="noopener"><i class="uil uil-facebook-f before:content-['\eae2'] !text-white text-[1rem]"></i></a>
+                @endif
+                @if(!empty($social_media['Instagram']))
+                  <a class="!text-[#cacaca] text-[1rem] transition-all duration-[0.2s] ease-in-out translate-y-0 hover:translate-y-[-0.15rem] m-[0_.7rem_0_0]" href="{{ $social_media['Instagram'] }}" target="_blank" rel="noopener"><i class="uil uil-instagram before:content-['\eb9c'] !text-white text-[1rem]"></i></a>
+                @endif
+                @if(!empty($social_media['Youtube']))
+                  <a class="!text-[#cacaca] text-[1rem] transition-all duration-[0.2s] ease-in-out translate-y-0 hover:translate-y-[-0.15rem] m-[0_.7rem_0_0]" href="{{ $social_media['Youtube'] }}" target="_blank" rel="noopener"><i class="uil uil-youtube before:content-['\edb5'] !text-white text-[1rem]"></i></a>
+                @endif
+              </nav>
+            </div>
+          </div>
+        </div>
+      </div>
+      <div class="navbar-other w-full !flex !ml-auto">
+        <ul class="navbar-nav !flex-row !items-center !ml-auto">
+          <li class="nav-item hidden xl:!flex lg:!flex">
+            @include('components.custom.language-selector')
+          </li>
+          <li class="nav-item hidden xl:!block lg:!block">
+            @php $social_media = json_decode(setting('social_links'), true) ?? []; @endphp
+            <nav class="nav social social-muted justify-end text-right">
+              @if(!empty($social_media['Twitter']))
+                <a class="m-[0_0_0_.7rem] text-[1rem] transition-all duration-[0.2s] ease-in-out translate-y-0 hover:translate-y-[-0.15rem]" href="{{ $social_media['Twitter'] }}" target="_blank" rel="noopener"><i class="uil uil-twitter before:content-['\ed59'] text-[1rem] !text-[#5daed5]"></i></a>
+              @endif
+              @if(!empty($social_media['Facebook']))
+                <a class="m-[0_0_0_.7rem] text-[1rem] transition-all duration-[0.2s] ease-in-out translate-y-0 hover:translate-y-[-0.15rem]" href="{{ $social_media['Facebook'] }}" target="_blank" rel="noopener"><i class="uil uil-facebook-f before:content-['\eae2'] text-[1rem] !text-[#4470cf]"></i></a>
+              @endif
+              @if(!empty($social_media['Instagram']))
+                <a class="m-[0_0_0_.7rem] text-[1rem] transition-all duration-[0.2s] ease-in-out translate-y-0 hover:translate-y-[-0.15rem]" href="{{ $social_media['Instagram'] }}" target="_blank" rel="noopener"><i class="uil uil-instagram before:content-['\eb9c'] text-[1rem] !text-[#d53581]"></i></a>
+              @endif
+              @if(!empty($social_media['Youtube']))
+                <a class="m-[0_0_0_.7rem] text-[1rem] transition-all duration-[0.2s] ease-in-out translate-y-0 hover:translate-y-[-0.15rem]" href="{{ $social_media['Youtube'] }}" target="_blank" rel="noopener"><i class="uil uil-youtube before:content-['\edb5'] text-[1rem] !text-[#c8312b]"></i></a>
+              @endif
+            </nav>
+          </li>
+          <li class="nav-item xl:!hidden lg:!hidden">
+            <button class="hamburger offcanvas-nav-btn" type="button" data-bs-toggle="offcanvas" data-bs-target=".offcanvas-nav"><span></span></button>
+          </li>
+        </ul>
+      </div>
+    </div>
+  </nav>
+</header>
+<script>
+document.addEventListener('DOMContentLoaded', function () {
+  var offcanvases = document.querySelectorAll('.offcanvas-nav');
+  var hamburgers = document.querySelectorAll('.hamburger.offcanvas-nav-btn');
+  if (offcanvases.length > 0 && hamburgers.length > 0) {
+    offcanvases.forEach(function (oc) {
+      oc.addEventListener('show.bs.offcanvas', function () {
+        hamburgers.forEach(function (h) { h.classList.add('is-active'); });
+      });
+      oc.addEventListener('hide.bs.offcanvas', function () {
+        hamburgers.forEach(function (h) { h.classList.remove('is-active'); });
+      });
+    });
+  }
+});
+</script>
diff --git a/resources/views/templates/services/app-development.blade.php b/resources/views/templates/services/app-development.blade.php
index e86574d..357f889 100644
--- a/resources/views/templates/services/app-development.blade.php
+++ b/resources/views/templates/services/app-development.blade.php
@@ -1,4 +1,4 @@
-@extends('layouts.site')
+@extends('layouts.site', ['header' => 'partials.header-app-development', 'footer' => 'partials.footer'])
 
 @push('styles')
 <style>