ajout de la barre de navigation en bas

lib/main.dart

@@ -4,6 +4,7 @@ import 'widgets/hero_section_widget.dart';
 import 'widgets/search_bar_widget.dart';
 import 'widgets/popular_places_widget.dart';
 import 'widgets/recommendation_widget.dart';
+import 'widgets/bottom_navigation_widget.dart';
 import 'theme/app_theme.dart';
 
 void main() {
@@ -31,26 +32,33 @@ class TravelHomePage extends StatelessWidget {
     return Scaffold(
       backgroundColor: AppTheme.backgroundColor,
       body: SafeArea(
-        child: SingleChildScrollView(
-          child: Column(
-            children: [
-              SizedBox(
-                height: MediaQuery.of(context).size.height * 0.5,
-                child: const HeroSectionWidget(),
+        child: Column(
+          children: [
+            Expanded(
+              child: SingleChildScrollView(
+                child: Column(
+                  children: [
+                    SizedBox(
+                      height: MediaQuery.of(context).size.height * 0.5,
+                      child: const HeroSectionWidget(),
+                    ),
+                    
+                    const SizedBox(height: 20),
+                    
+                    const PopularPlacesWidget(),
+                    
+                    const SizedBox(height: 20),
+                    
+                    const RecommendationWidget(),
+                    
+                    const SizedBox(height: 20),
+                  ],
+                ),
               ),
-              
-              const SizedBox(height: 20),
-              
-              const PopularPlacesWidget(),
-              
-              const SizedBox(height: 20),
-              
-              // Section Recommendation
-              const RecommendationWidget(),
-              
-              const SizedBox(height: 20),
-            ],
-          ),
+            ),
+            
+            const BottomNavigationWidget(),
+          ],
         ),
       ),
     );

lib/widgets/bottom_navigation_widget.dart

@@ -0,0 +1,48 @@
+import 'package:flutter/material.dart';
+
+class BottomNavigationWidget extends StatelessWidget {
+  const BottomNavigationWidget({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Align(
+      alignment: Alignment.bottomCenter,
+      child: Container(
+        margin: const EdgeInsets.fromLTRB(0, 0, 0, 0),
+        decoration: const BoxDecoration(
+          color: Color(0xFF1E3C72),
+          borderRadius: BorderRadius.all(
+            Radius.circular(25),
+          ),
+        ),
+        child: Padding(
+          padding: const EdgeInsets.fromLTRB(15, 12, 15, 20),
+          child: Row(
+            mainAxisSize: MainAxisSize.min,
+            children: [
+              _buildNavItem(Icons.home, true),
+              _buildNavItem(Icons.calendar_today, false),
+              _buildNavItem(Icons.chat_bubble_outline, false),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+
+  Widget _buildNavItem(IconData icon, bool isActive) {
+    return Container(
+      width: 40,
+      height: 40,
+      decoration: BoxDecoration(
+        color: isActive ? Colors.white : const Color(0xFF4A6FA5),
+        shape: BoxShape.circle,
+      ),
+      child: Icon(
+        icon,
+        color: isActive ? const Color(0xFF1E3C72) : Colors.white,
+        size: 20,
+      ),
+    );
+  }
+}

lib/widgets/recommendation_widget.dart

@@ -9,7 +9,6 @@ class RecommendationWidget extends StatelessWidget {
     return Column(
       crossAxisAlignment: CrossAxisAlignment.start,
       children: [
-        // Header avec titre et "View all"
         Padding(
           padding: const EdgeInsets.symmetric(horizontal: 8),
           child: Row(
@@ -33,7 +32,6 @@ class RecommendationWidget extends StatelessWidget {
         
         const SizedBox(height: 16),
         
-        // Carte de recommandation unique
         Container(
           margin: const EdgeInsets.symmetric(horizontal: 8),
           height: 200,
@@ -51,13 +49,11 @@ class RecommendationWidget extends StatelessWidget {
             borderRadius: BorderRadius.circular(20),
             child: Stack(
               children: [
-                // Image de fond
                 Positioned.fill(
                   child: Image.asset(
                     'assets/images/fond1.webp',
                     fit: BoxFit.cover,
                     errorBuilder: (context, error, stackTrace) {
-                      // Fallback avec gradient si l'image ne charge pas
                       return Container(
                         decoration: BoxDecoration(
                           gradient: LinearGradient(
@@ -76,7 +72,6 @@ class RecommendationWidget extends StatelessWidget {
                   ),
                 ),
                 
-                // Overlay sombre pour le texte
                 Positioned.fill(
                   child: Container(
                     decoration: BoxDecoration(
@@ -93,7 +88,6 @@ class RecommendationWidget extends StatelessWidget {
                   ),
                 ),
                 
-                // Contenu textuel
                 Positioned(
                   bottom: 20,
                   left: 20,