diff --git a/.cursorrules b/.cursorrules
index 5d7ba98..6c40fa6 100644
--- a/.cursorrules
+++ b/.cursorrules
@@ -85,6 +85,10 @@ $table
             DeleteBulkAction::make(),
         ]),
     ]);
+
+// Utilities (Schema içinde kullanım)
+use Filament\Schemas\Components\Utilities\Get;  // ✅ Doğru - Form state okuma
+use Filament\Schemas\Components\Utilities\Set;  // ✅ Doğru - Form state yazma
 ```
 
 #### **Form & Schema Components (DOĞRU):**
@@ -103,6 +107,7 @@ use Filament\Schemas\Components\Section;   // ✅ Doğru
 use Filament\Schemas\Components\Grid;      // ✅ Doğru
 use Filament\Schemas\Components\Fieldset;  // ✅ Doğru
 use Filament\Schemas\Components\Flex;      // ✅ Doğru
+use Filament\Schemas\Components\Group;     // ✅ Doğru - Schema içinde gruplamak için
 
 // Tabs components (ÖNEMLİ: Schemas namespace!)
 use Filament\Schemas\Components\Tabs;      // ✅ Doğru
@@ -189,8 +194,11 @@ public static function form(Schema $schema): Schema
 use Filament\Tables\Actions\EditAction;      // ❌
 use Filament\Forms\Components\Section;       // ❌
 use Filament\Forms\Components\Grid;          // ❌
+use Filament\Forms\Components\Group;         // ❌ Forms namespace altında Group YOK
 use Filament\Forms\Components\Tabs;          // ❌ Forms namespace altında Tabs YOK
 use Filament\Resources\Components\Tab;       // ❌ Bu class hiç YOK
+use Filament\Forms\Get;                       // ❌ Bu namespace YOK
+use Filament\Forms\Set;                       // ❌ Bu namespace YOK
 
 // ❌ YANLIŞ - Eski metod adları
 $table
@@ -204,11 +212,17 @@ $table
 - ✅ **Table Filters:** `Filament\Tables\Filters\` namespace
 - ✅ **Form Inputs:** `Filament\Forms\Components\` namespace
 - ✅ **Layout Components:** `Filament\Schemas\Components\` namespace
+  - Section, Grid, Fieldset, Flex, Group, Tabs, View vb.
 - ✅ **Tabs (Tüm Kullanımlar):** `Filament\Schemas\Components\Tabs\Tab` (Her yerde bu!)
+- ✅ **Utilities:** `Filament\Schemas\Components\Utilities\` namespace
+  - Get, Set (Schema içinde form state okuma/yazma)
 - ✅ **Infolist Entries:** `Filament\Infolists\Components\` namespace
 - ✅ **Table Methods:** `->recordActions()` ve `->toolbarActions()`
 
-**Önemli Not:** Filament 4.x'te `Filament\Resources\Components\Tab` diye bir class **YOK**. Tüm tab kullanımları `Filament\Schemas\Components\Tabs\Tab` ile yapılır!
+**Kritik Notlar:**
+- `Filament\Resources\Components\Tab` diye bir class **YOK**. Tüm tab kullanımları `Filament\Schemas\Components\Tabs\Tab` ile yapılır!
+- `Filament\Forms\Components\Group` diye bir class **YOK**. Schema içinde gruplamak için `Filament\Schemas\Components\Group` kullan!
+- `Filament\Forms\Get` ve `Filament\Forms\Set` diye class'lar **YOK**. `Filament\Schemas\Components\Utilities\Get` ve `Filament\Schemas\Components\Utilities\Set` kullan!
 
 #### **Filament 4.x REPEATER KULLANIM KURALLARI (KRİTİK!):**
 
diff --git a/app/Filament/Admin/Resources/FooterTemplates/Schemas/FooterTemplateForm.php b/app/Filament/Admin/Resources/FooterTemplates/Schemas/FooterTemplateForm.php
index 3763544..1e1ba8b 100644
--- a/app/Filament/Admin/Resources/FooterTemplates/Schemas/FooterTemplateForm.php
+++ b/app/Filament/Admin/Resources/FooterTemplates/Schemas/FooterTemplateForm.php
@@ -2,10 +2,14 @@
 
 namespace App\Filament\Admin\Resources\FooterTemplates\Schemas;
 
+use App\Models\FooterTemplate;
+use App\Services\TemplateService;
 use Filament\Forms\Components\CodeEditor;
 use Filament\Forms\Components\TextInput;
 use Filament\Forms\Components\Toggle;
+use Filament\Schemas\Components\Group;
 use Filament\Schemas\Components\Section;
+use Filament\Schemas\Components\Utilities\Get;
 use Filament\Schemas\Components\View;
 use Filament\Schemas\Schema;
 use Filament\Forms\Components\CodeEditor\Enums\Language;
@@ -51,6 +55,38 @@ class FooterTemplateForm
                             ->inline(false),
                     ])
                     ->columnSpanFull(),
+                
+                // Default Data Section - Dynamic fields based on placeholders
+                Section::make(__('footer-templates.section_default_data'))
+                    ->description(__('footer-templates.section_default_data_desc'))
+                    ->schema([
+                        Group::make()
+                            ->schema(function (Get $get, $record): array {
+                                $htmlContent = $get('html_content');
+                                if (empty($htmlContent)) {
+                                    return [];
+                                }
+                                
+                                // Create a temporary template object to parse placeholders
+                                $tempTemplate = new FooterTemplate();
+                                $tempTemplate->html_content = $htmlContent;
+                                
+                                // Get existing default_data if editing
+                                $existingData = $record ? ($record->default_data ?? []) : [];
+                                
+                                return TemplateService::generateDynamicFields(
+                                    $tempTemplate,
+                                    'default_data',
+                                    $existingData
+                                );
+                            })
+                            ->key('default_data_fields')
+                            ->visible(fn (Get $get): bool => filled($get('html_content')))
+                            ->columnSpanFull(),
+                    ])
+                    ->columnSpanFull()
+                    ->collapsible(true)
+                    ->collapsed(false),
             ]);
     }
 }
diff --git a/app/Filament/Admin/Resources/HeaderTemplates/Schemas/HeaderTemplateForm.php b/app/Filament/Admin/Resources/HeaderTemplates/Schemas/HeaderTemplateForm.php
index 9266bd3..270b650 100644
--- a/app/Filament/Admin/Resources/HeaderTemplates/Schemas/HeaderTemplateForm.php
+++ b/app/Filament/Admin/Resources/HeaderTemplates/Schemas/HeaderTemplateForm.php
@@ -2,10 +2,14 @@
 
 namespace App\Filament\Admin\Resources\HeaderTemplates\Schemas;
 
+use App\Models\HeaderTemplate;
+use App\Services\TemplateService;
 use Filament\Forms\Components\CodeEditor;
 use Filament\Forms\Components\TextInput;
 use Filament\Forms\Components\Toggle;
+use Filament\Schemas\Components\Group;
 use Filament\Schemas\Components\Section;
+use Filament\Schemas\Components\Utilities\Get;
 use Filament\Schemas\Components\View;
 use Filament\Schemas\Schema;
 use Filament\Forms\Components\CodeEditor\Enums\Language;
@@ -50,6 +54,38 @@ class HeaderTemplateForm
                             ->inline(false),
                     ])
                     ->columnSpanFull(),
+                
+                // Default Data Section - Dynamic fields based on placeholders
+                Section::make(__('header-templates.section_default_data'))
+                    ->description(__('header-templates.section_default_data_desc'))
+                    ->schema([
+                        Group::make()
+                            ->schema(function (Get $get, $record): array {
+                                $htmlContent = $get('html_content');
+                                if (empty($htmlContent)) {
+                                    return [];
+                                }
+                                
+                                // Create a temporary template object to parse placeholders
+                                $tempTemplate = new HeaderTemplate();
+                                $tempTemplate->html_content = $htmlContent;
+                                
+                                // Get existing default_data if editing
+                                $existingData = $record ? ($record->default_data ?? []) : [];
+                                
+                                return TemplateService::generateDynamicFields(
+                                    $tempTemplate,
+                                    'default_data',
+                                    $existingData
+                                );
+                            })
+                            ->key('default_data_fields')
+                            ->visible(fn (Get $get): bool => filled($get('html_content')))
+                            ->columnSpanFull(),
+                    ])
+                    ->columnSpanFull()
+                    ->collapsible(true)
+                    ->collapsed(false),
             ]);
     }
 }
diff --git a/app/Filament/Admin/Resources/Pages/Schemas/PageForm.php b/app/Filament/Admin/Resources/Pages/Schemas/PageForm.php
index e316ad9..53a5fa2 100644
--- a/app/Filament/Admin/Resources/Pages/Schemas/PageForm.php
+++ b/app/Filament/Admin/Resources/Pages/Schemas/PageForm.php
@@ -542,14 +542,43 @@ class PageForm
                             ->options(HeaderTemplate::where('is_active', true)->pluck('title', 'id'))
                             ->searchable()
                             ->live()
-                            ->afterStateUpdated(fn (Set $set) => $set('header_data', []))
+                            ->afterStateUpdated(function (Set $set, Get $get, $state, $record) {
+                                $template = HeaderTemplate::find($state);
+                                if ($template && $template->default_data) {
+                                    // If page doesn't have header_data or it's empty, load defaults
+                                    $currentData = $record ? ($record->header_data ?? []) : ($get('header_data') ?? []);
+                                    if (empty($currentData)) {
+                                        $set('header_data', $template->default_data);
+                                    }
+                                } else {
+                                    // If no template selected or no defaults, clear data
+                                    if (!$record || empty($record->header_data)) {
+                                        $set('header_data', []);
+                                    }
+                                }
+                            })
                             ->columnSpanFull(),
                         
                         Group::make()
-                            ->schema(fn (Get $get): array => TemplateService::generateDynamicFields(
-                                HeaderTemplate::find($get('header_template_id')),
-                                'header_data'
-                            ))
+                            ->schema(function (Get $get, $record): array {
+                                $template = HeaderTemplate::find($get('header_template_id'));
+                                if (!$template) {
+                                    return [];
+                                }
+                                
+                                // Get page's header_data or template's default_data
+                                $pageData = $record ? ($record->header_data ?? []) : ($get('header_data') ?? []);
+                                $templateDefaults = $template->default_data ?? [];
+                                
+                                // Merge: page data overrides template defaults
+                                $mergedData = array_merge($templateDefaults, $pageData);
+                                
+                                return TemplateService::generateDynamicFields(
+                                    $template,
+                                    'header_data',
+                                    $mergedData
+                                );
+                            })
                             ->visible(fn (Get $get): bool => filled($get('header_template_id')))
                             ->columnSpanFull(),
                     ])
@@ -569,13 +598,38 @@ class PageForm
                                     ->searchable()
                                     ->live()
                                     ->required()
+                                    ->afterStateUpdated(function (Set $set, Get $get, $state, $record) {
+                                        $template = SectionTemplate::find($state);
+                                        if ($template && $template->default_data) {
+                                            // If section doesn't have section_data or it's empty, load defaults
+                                            $currentData = $get('section_data') ?? [];
+                                            if (empty($currentData)) {
+                                                $set('section_data', $template->default_data);
+                                            }
+                                        }
+                                    })
                                     ->columnSpanFull(),
                                 
                                 Group::make()
-                                    ->schema(fn (Get $get): array => TemplateService::generateDynamicFields(
-                                        SectionTemplate::find($get('section_template_id')),
-                                        'section_data'
-                                    ))
+                                    ->schema(function (Get $get): array {
+                                        $template = SectionTemplate::find($get('section_template_id'));
+                                        if (!$template) {
+                                            return [];
+                                        }
+                                        
+                                        // Get section's data or template's default_data
+                                        $sectionData = $get('section_data') ?? [];
+                                        $templateDefaults = $template->default_data ?? [];
+                                        
+                                        // Merge: section data overrides template defaults
+                                        $mergedData = array_merge($templateDefaults, $sectionData);
+                                        
+                                        return TemplateService::generateDynamicFields(
+                                            $template,
+                                            'section_data',
+                                            $mergedData
+                                        );
+                                    })
                                     ->visible(fn (Get $get): bool => filled($get('section_template_id')))
                                     ->columnSpanFull(),
                             ])
@@ -600,14 +654,43 @@ class PageForm
                             ->options(FooterTemplate::where('is_active', true)->pluck('title', 'id'))
                             ->searchable()
                             ->live()
-                            ->afterStateUpdated(fn (Set $set) => $set('footer_data', []))
+                            ->afterStateUpdated(function (Set $set, Get $get, $state, $record) {
+                                $template = FooterTemplate::find($state);
+                                if ($template && $template->default_data) {
+                                    // If page doesn't have footer_data or it's empty, load defaults
+                                    $currentData = $record ? ($record->footer_data ?? []) : ($get('footer_data') ?? []);
+                                    if (empty($currentData)) {
+                                        $set('footer_data', $template->default_data);
+                                    }
+                                } else {
+                                    // If no template selected or no defaults, clear data
+                                    if (!$record || empty($record->footer_data)) {
+                                        $set('footer_data', []);
+                                    }
+                                }
+                            })
                             ->columnSpanFull(),
                         
                         Group::make()
-                            ->schema(fn (Get $get): array => TemplateService::generateDynamicFields(
-                                FooterTemplate::find($get('footer_template_id')),
-                                'footer_data'
-                            ))
+                            ->schema(function (Get $get, $record): array {
+                                $template = FooterTemplate::find($get('footer_template_id'));
+                                if (!$template) {
+                                    return [];
+                                }
+                                
+                                // Get page's footer_data or template's default_data
+                                $pageData = $record ? ($record->footer_data ?? []) : ($get('footer_data') ?? []);
+                                $templateDefaults = $template->default_data ?? [];
+                                
+                                // Merge: page data overrides template defaults
+                                $mergedData = array_merge($templateDefaults, $pageData);
+                                
+                                return TemplateService::generateDynamicFields(
+                                    $template,
+                                    'footer_data',
+                                    $mergedData
+                                );
+                            })
                             ->visible(fn (Get $get): bool => filled($get('footer_template_id')))
                             ->columnSpanFull(),
                     ])
diff --git a/app/Filament/Admin/Resources/SectionTemplates/Schemas/SectionTemplateForm.php b/app/Filament/Admin/Resources/SectionTemplates/Schemas/SectionTemplateForm.php
index 8baad7e..cb9df57 100644
--- a/app/Filament/Admin/Resources/SectionTemplates/Schemas/SectionTemplateForm.php
+++ b/app/Filament/Admin/Resources/SectionTemplates/Schemas/SectionTemplateForm.php
@@ -2,10 +2,14 @@
 
 namespace App\Filament\Admin\Resources\SectionTemplates\Schemas;
 
+use App\Models\SectionTemplate;
+use App\Services\TemplateService;
 use Filament\Forms\Components\CodeEditor;
 use Filament\Forms\Components\TextInput;
 use Filament\Forms\Components\Toggle;
+use Filament\Schemas\Components\Group;
 use Filament\Schemas\Components\Section;
+use Filament\Schemas\Components\Utilities\Get;
 use Filament\Schemas\Components\View;
 use Filament\Schemas\Schema;
 use Filament\Forms\Components\CodeEditor\Enums\Language;
@@ -50,6 +54,38 @@ class SectionTemplateForm
                             ->inline(false),
                     ])
                     ->columnSpanFull(),
+                
+                // Default Data Section - Dynamic fields based on placeholders
+                Section::make(__('section-templates.section_default_data'))
+                    ->description(__('section-templates.section_default_data_desc'))
+                    ->schema([
+                        Group::make()
+                            ->schema(function (Get $get, $record): array {
+                                $htmlContent = $get('html_content');
+                                if (empty($htmlContent)) {
+                                    return [];
+                                }
+                                
+                                // Create a temporary template object to parse placeholders
+                                $tempTemplate = new SectionTemplate();
+                                $tempTemplate->html_content = $htmlContent;
+                                
+                                // Get existing default_data if editing
+                                $existingData = $record ? ($record->default_data ?? []) : [];
+                                
+                                return TemplateService::generateDynamicFields(
+                                    $tempTemplate,
+                                    'default_data',
+                                    $existingData
+                                );
+                            })
+                            ->key('default_data_fields')
+                            ->visible(fn (Get $get): bool => filled($get('html_content')))
+                            ->columnSpanFull(),
+                    ])
+                    ->columnSpanFull()
+                    ->collapsible(true)
+                    ->collapsed(false),
             ]);
     }
 }
diff --git a/app/Http/Controllers/PageController.php b/app/Http/Controllers/PageController.php
index d82eb8a..de6fbf0 100644
--- a/app/Http/Controllers/PageController.php
+++ b/app/Http/Controllers/PageController.php
@@ -67,18 +67,28 @@ class PageController extends Controller
         // Render Header Template
         $renderedHeader = null;
         if ($page->headerTemplate) {
+            // Merge template defaults with page data (page data overrides defaults)
+            $templateDefaults = $page->headerTemplate->default_data ?? [];
+            $pageData = $page->header_data ?? [];
+            $mergedHeaderData = array_merge($templateDefaults, $pageData);
+            
             $renderedHeader = TemplateService::replacePlaceholders(
                 $page->headerTemplate->html_content,
-                $page->header_data ?? []
+                $mergedHeaderData
             );
         }
 
         // Render Footer Template
         $renderedFooter = null;
         if ($page->footerTemplate) {
+            // Merge template defaults with page data (page data overrides defaults)
+            $templateDefaults = $page->footerTemplate->default_data ?? [];
+            $pageData = $page->footer_data ?? [];
+            $mergedFooterData = array_merge($templateDefaults, $pageData);
+            
             $renderedFooter = TemplateService::replacePlaceholders(
                 $page->footerTemplate->html_content,
-                $page->footer_data ?? []
+                $mergedFooterData
             );
         }
 
@@ -137,18 +147,28 @@ public function show($slug)
         // Render Header Template
         $renderedHeader = null;
         if ($page->headerTemplate) {
+            // Merge template defaults with page data (page data overrides defaults)
+            $templateDefaults = $page->headerTemplate->default_data ?? [];
+            $pageData = $page->header_data ?? [];
+            $mergedHeaderData = array_merge($templateDefaults, $pageData);
+            
             $renderedHeader = TemplateService::replacePlaceholders(
                 $page->headerTemplate->html_content,
-                $page->header_data ?? []
+                $mergedHeaderData
             );
         }
 
         // Render Footer Template
         $renderedFooter = null;
         if ($page->footerTemplate) {
+            // Merge template defaults with page data (page data overrides defaults)
+            $templateDefaults = $page->footerTemplate->default_data ?? [];
+            $pageData = $page->footer_data ?? [];
+            $mergedFooterData = array_merge($templateDefaults, $pageData);
+            
             $renderedFooter = TemplateService::replacePlaceholders(
                 $page->footerTemplate->html_content,
-                $page->footer_data ?? []
+                $mergedFooterData
             );
         }
 
diff --git a/app/Models/FooterTemplate.php b/app/Models/FooterTemplate.php
index e52b8e1..f79037e 100644
--- a/app/Models/FooterTemplate.php
+++ b/app/Models/FooterTemplate.php
@@ -13,11 +13,13 @@ class FooterTemplate extends Model
     protected $fillable = [
         'title',
         'html_content',
+        'default_data',
         'is_active',
     ];
 
     protected $casts = [
         'is_active' => 'boolean',
+        'default_data' => 'array',
     ];
 
     /**
diff --git a/app/Models/HeaderTemplate.php b/app/Models/HeaderTemplate.php
index 6808b17..e63ec54 100644
--- a/app/Models/HeaderTemplate.php
+++ b/app/Models/HeaderTemplate.php
@@ -13,11 +13,13 @@ class HeaderTemplate extends Model
     protected $fillable = [
         'title',
         'html_content',
+        'default_data',
         'is_active',
     ];
 
     protected $casts = [
         'is_active' => 'boolean',
+        'default_data' => 'array',
     ];
 
     /**
diff --git a/app/Models/SectionTemplate.php b/app/Models/SectionTemplate.php
index bfbd172..f8d6bff 100644
--- a/app/Models/SectionTemplate.php
+++ b/app/Models/SectionTemplate.php
@@ -12,11 +12,13 @@ class SectionTemplate extends Model
     protected $fillable = [
         'title',
         'html_content',
+        'default_data',
         'is_active',
     ];
 
     protected $casts = [
         'is_active' => 'boolean',
+        'default_data' => 'array',
     ];
 
     /**
diff --git a/app/Services/TemplateService.php b/app/Services/TemplateService.php
index 38fae6b..b2b6c59 100644
--- a/app/Services/TemplateService.php
+++ b/app/Services/TemplateService.php
@@ -16,8 +16,10 @@ class TemplateService
 {
     /**
      * Generate dynamic form fields based on template placeholders
+     * For default data (template forms), use dataKey = 'default_data'
+     * For page data (page forms), use dataKey = 'header_data' or 'footer_data'
      */
-    public static function generateDynamicFields($template, string $dataKey): array
+    public static function generateDynamicFields($template, string $dataKey, ?array $existingData = null): array
     {
         if (!$template) {
             return [];
@@ -37,6 +39,9 @@ class TemplateService
             
             $label = str($name)->title()->replace('_', ' ')->toString();
             
+            // Get existing value from existingData if provided
+            $existingValue = $existingData[$placeholder] ?? null;
+            
             $field = match($type) {
                 // Text Input Variants
                 'text' => TextInput::make("{$dataKey}.{$placeholder}")
@@ -212,6 +217,11 @@ class TemplateService
                     ->helperText("Unknown type: {$type}"),
             };
             
+            // Set default value if existingValue is provided
+            if ($existingValue !== null) {
+                $field->default($existingValue);
+            }
+            
             $fields[] = $field;
         }
         
diff --git a/app/View/Components/PageRenderer.php b/app/View/Components/PageRenderer.php
index 98a5192..c94b561 100644
--- a/app/View/Components/PageRenderer.php
+++ b/app/View/Components/PageRenderer.php
@@ -37,9 +37,14 @@ class PageRenderer extends Component
             return '';
         }
 
+        // Merge template defaults with page data (page data overrides defaults)
+        $templateDefaults = $this->page->headerTemplate->default_data ?? [];
+        $pageData = $this->page->header_data ?? [];
+        $mergedData = array_merge($templateDefaults, $pageData);
+
         return TemplateService::replacePlaceholders(
             $this->page->headerTemplate->html_content,
-            $this->page->header_data ?? []
+            $mergedData
         );
     }
 
@@ -55,9 +60,14 @@ class PageRenderer extends Component
                 continue;
             }
 
+            // Merge template defaults with section data (section data overrides defaults)
+            $templateDefaults = $section['template']->default_data ?? [];
+            $sectionData = $section['data'] ?? [];
+            $mergedData = array_merge($templateDefaults, $sectionData);
+
             $output .= TemplateService::replacePlaceholders(
                 $section['template']->html_content,
-                $section['data']
+                $mergedData
             );
         }
 
@@ -73,9 +83,14 @@ class PageRenderer extends Component
             return '';
         }
 
+        // Merge template defaults with page data (page data overrides defaults)
+        $templateDefaults = $this->page->footerTemplate->default_data ?? [];
+        $pageData = $this->page->footer_data ?? [];
+        $mergedData = array_merge($templateDefaults, $pageData);
+
         return TemplateService::replacePlaceholders(
             $this->page->footerTemplate->html_content,
-            $this->page->footer_data ?? []
+            $mergedData
         );
     }
 }
diff --git a/database/migrations/2025_11_01_045504_add_default_data_to_templates_table.php b/database/migrations/2025_11_01_045504_add_default_data_to_templates_table.php
new file mode 100644
index 0000000..7560a42
--- /dev/null
+++ b/database/migrations/2025_11_01_045504_add_default_data_to_templates_table.php
@@ -0,0 +1,44 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('header_templates', function (Blueprint $table) {
+            $table->json('default_data')->nullable()->after('html_content');
+        });
+
+        Schema::table('footer_templates', function (Blueprint $table) {
+            $table->json('default_data')->nullable()->after('html_content');
+        });
+
+        Schema::table('section_templates', function (Blueprint $table) {
+            $table->json('default_data')->nullable()->after('html_content');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('header_templates', function (Blueprint $table) {
+            $table->dropColumn('default_data');
+        });
+
+        Schema::table('footer_templates', function (Blueprint $table) {
+            $table->dropColumn('default_data');
+        });
+
+        Schema::table('section_templates', function (Blueprint $table) {
+            $table->dropColumn('default_data');
+        });
+    }
+};
diff --git a/lang/en/footer-templates.php b/lang/en/footer-templates.php
index 032ee29..1ef0b78 100644
--- a/lang/en/footer-templates.php
+++ b/lang/en/footer-templates.php
@@ -9,6 +9,8 @@ return [
 
     // Sections
     'section_general' => 'General Information',
+    'section_default_data' => 'Default Values',
+    'section_default_data_desc' => 'You can enter default values for placeholders when creating templates. These values will be automatically loaded when the template is selected on pages.',
 
     // Form Fields
     'field_title' => 'Title',
diff --git a/lang/en/header-templates.php b/lang/en/header-templates.php
index 9e7e0c0..451ffa1 100644
--- a/lang/en/header-templates.php
+++ b/lang/en/header-templates.php
@@ -9,6 +9,8 @@ return [
 
     // Sections
     'section_general' => 'General Information',
+    'section_default_data' => 'Default Values',
+    'section_default_data_desc' => 'You can enter default values for placeholders when creating templates. These values will be automatically loaded when the template is selected on pages.',
 
     // Form Fields
     'field_title' => 'Title',
diff --git a/lang/en/section-templates.php b/lang/en/section-templates.php
index 53ce862..58b847d 100644
--- a/lang/en/section-templates.php
+++ b/lang/en/section-templates.php
@@ -9,6 +9,8 @@ return [
 
     // Sections
     'section_general' => 'General Information',
+    'section_default_data' => 'Default Values',
+    'section_default_data_desc' => 'You can enter default values for placeholders when creating templates. These values will be automatically loaded when the template is selected on pages.',
 
     // Form Fields
     'field_title' => 'Title',
diff --git a/lang/tr/footer-templates.php b/lang/tr/footer-templates.php
index 179df00..1877a84 100644
--- a/lang/tr/footer-templates.php
+++ b/lang/tr/footer-templates.php
@@ -9,6 +9,8 @@ return [
 
     // Sections
     'section_general' => 'Genel Bilgiler',
+    'section_default_data' => 'Varsayılan Değerler',
+    'section_default_data_desc' => 'Template oluştururken placeholder\'lar için varsayılan değerleri girebilirsiniz. Bu değerler sayfalarda template seçildiğinde otomatik yüklenecektir.',
 
     // Form Fields
     'field_title' => 'Başlık',
diff --git a/lang/tr/header-templates.php b/lang/tr/header-templates.php
index 72946f7..5634a31 100644
--- a/lang/tr/header-templates.php
+++ b/lang/tr/header-templates.php
@@ -9,6 +9,8 @@ return [
 
     // Sections
     'section_general' => 'Genel Bilgiler',
+    'section_default_data' => 'Varsayılan Değerler',
+    'section_default_data_desc' => 'Template oluştururken placeholder\'lar için varsayılan değerleri girebilirsiniz. Bu değerler sayfalarda template seçildiğinde otomatik yüklenecektir.',
 
     // Form Fields
     'field_title' => 'Başlık',
diff --git a/lang/tr/section-templates.php b/lang/tr/section-templates.php
index bfcb656..acc6a24 100644
--- a/lang/tr/section-templates.php
+++ b/lang/tr/section-templates.php
@@ -9,6 +9,8 @@ return [
 
     // Sections
     'section_general' => 'Genel Bilgiler',
+    'section_default_data' => 'Varsayılan Değerler',
+    'section_default_data_desc' => 'Template oluştururken placeholder\'lar için varsayılan değerleri girebilirsiniz. Bu değerler sayfalarda template seçildiğinde otomatik yüklenecektir.',
 
     // Form Fields
     'field_title' => 'Başlık',