diff --git a/assets/images/gallery-neuro-research.jpg b/assets/images/gallery-neuro-research.jpg
new file mode 100644
index 0000000..e69de29
diff --git a/assets/images/gallery-patient-care.jpg b/assets/images/gallery-patient-care.jpg
new file mode 100644
index 0000000..e69de29
diff --git a/assets/images/hero-brain-mri.jpg b/assets/images/hero-brain-mri.jpg
new file mode 100644
index 0000000..e69de29
diff --git a/assets/images/placeholder_gallery_1.svg b/assets/images/placeholder_gallery_1.svg
new file mode 100644
index 0000000..108e919
--- /dev/null
+++ b/assets/images/placeholder_gallery_1.svg
@@ -0,0 +1 @@
+<svg width="600" height="600" xmlns="http://www.w3.org/2000/svg"><rect width="600" height="600" style="fill:#9bf6ff;" /></svg>
\ No newline at end of file
diff --git a/assets/images/placeholder_gallery_2.svg b/assets/images/placeholder_gallery_2.svg
new file mode 100644
index 0000000..8985382
--- /dev/null
+++ b/assets/images/placeholder_gallery_2.svg
@@ -0,0 +1 @@
+<svg width="600" height="600" xmlns="http://www.w3.org/2000/svg"><rect width="600" height="600" style="fill:#caffbf;" /></svg>
\ No newline at end of file
diff --git a/assets/images/placeholder_hero.svg b/assets/images/placeholder_hero.svg
new file mode 100644
index 0000000..d56ae80
--- /dev/null
+++ b/assets/images/placeholder_hero.svg
@@ -0,0 +1 @@
+<svg width="1260" height="750" xmlns="http://www.w3.org/2000/svg"><rect width="1260" height="750" style="fill:#a0c4ff;" /></svg>
\ No newline at end of file
diff --git a/index.php b/index.php
index 9158d96..50b4d34 100644
--- a/index.php
+++ b/index.php
@@ -1,24 +1,24 @@
 <?php
 
-// Placeholder images for demonstration
+// Local placeholder images
 $images = [
     [
-        'src' => 'https://images.pexels.com/photos/40568/medical-instrument-brain-magnifying-glass-search-40568.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=1',
-        'photographer' => 'Public Domain Pictures',
-        'photographer_url' => 'https://www.pexels.com/@public-domain-pictures',
-        'alt' => 'Brain MRI',
+        'src' => 'assets/images/placeholder_hero.svg',
+        'photographer' => 'Generated Placeholder',
+        'photographer_url' => '#',
+        'alt' => 'Brain MRI Placeholder',
     ],
     [
-        'src' => 'https://images.pexels.com/photos/3825586/pexels-photo-3825586.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=1',
-        'photographer' => 'ThisIsEngineering',
-        'photographer_url' => 'https://www.pexels.com/@thisisengineering/',
-        'alt' => 'Neurology Research',
+        'src' => 'assets/images/placeholder_gallery_1.svg',
+        'photographer' => 'Generated Placeholder',
+        'photographer_url' => '#',
+        'alt' => 'Neurology Research Placeholder',
     ],
     [
-        'src' => 'https://images.pexels.com/photos/6120403/pexels-photo-6120403.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=1',
-        'photographer' => 'Kampus Production',
-        'photographer_url' => 'https://www.pexels.com/@kampus-production/',
-        'alt' => 'Senior Patient Care',
+        'src' => 'assets/images/placeholder_gallery_2.svg',
+        'photographer' => 'Generated Placeholder',
+        'photographer_url' => '#',
+        'alt' => 'Senior Patient Care Placeholder',
     ],
 ];