diff --git a/admin.php b/admin.php
new file mode 100644
index 0000000..7dec9fc
--- /dev/null
+++ b/admin.php
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Admin Panel</title>
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css" rel="stylesheet">
+</head>
+<body>
+    <div class="container mt-5">
+        <div class="row justify-content-center">
+            <div class="col-md-6">
+                <div class="card">
+                    <div class="card-header">
+                        <h3>Admin Panel</h3>
+                    </div>
+                    <div class="card-body">
+                        <h5 class="card-title">Logo Management</h5>
+                        <p class="card-text">Upload a new logo for the site. The current logo will be replaced. The file should be a PNG, JPG, or GIF.</p>
+                        <?php if (isset($_GET['success'])): ?>
+                            <div class="alert alert-success">Logo uploaded successfully!</div>
+                        <?php elseif (isset($_GET['error'])): ?>
+                            <div class="alert alert-danger">Error uploading logo: <?php echo htmlspecialchars($_GET['error']); ?></div>
+                        <?php endif; ?>
+                        <form action="upload.php" method="post" enctype="multipart/form-data">
+                            <div class="mb-3">
+                                <label for="logoFile" class="form-label">Select image:</label>
+                                <input class="form-control" type="file" name="logoFile" id="logoFile" required>
+                            </div>
+                            <button type="submit" class="btn btn-primary">Upload Logo</button>
+                        </form>
+                    </div>
+                    <div class="card-footer text-center">
+                        <a href="/" class="btn btn-secondary">Back to Home</a>
+                    </div>
+                </div>
+            </div>
+        </div>
+    </div>
+</body>
+</html>
diff --git a/index.php b/index.php
index e405a0e..aa33734 100644
--- a/index.php
+++ b/index.php
@@ -77,10 +77,21 @@ $contacts = [
 
     <nav class="navbar navbar-expand-lg navbar-light bg-white sticky-top">
         <div class="container-fluid">
-            <a class="navbar-brand" href="#">
+            <a class="navbar-brand d-flex align-items-center" href="/">
+                <?php
+                $logo_path = glob('assets/images/logo.*');
+                if ($logo_path) {
+                    echo '<img src="' . $logo_path[0] . '?v=' . time() . '" alt="Logo" style="max-height: 40px; margin-right: 10px;">';
+                }
+                ?>
                 <i class="bi bi-book-half me-2"></i>
                 rehber
             </a>
+            <div class="ms-auto">
+                <a href="/admin.php" class="btn btn-outline-secondary btn-sm">
+                    <i class="bi bi-gear-fill me-1"></i> Admin Panel
+                </a>
+            </div>
         </div>
     </nav>
 
diff --git a/upload.php b/upload.php
new file mode 100644
index 0000000..20a30d0
--- /dev/null
+++ b/upload.php
@@ -0,0 +1,54 @@
+<?php
+if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_FILES['logoFile'])) {
+    $targetDir = "assets/images/";
+    // Ensure the target directory exists
+    if (!is_dir($targetDir)) {
+        mkdir($targetDir, 0775, true);
+    }
+
+    $original_filename = $_FILES["logoFile"]["name"];
+    $imageFileType = strtolower(pathinfo($original_filename, PATHINFO_EXTENSION));
+
+    // Use a consistent name for the logo file to make it easy to reference
+    $targetFile = $targetDir . "logo." . $imageFileType;
+
+    // Check if image file is a actual image or fake image
+    $check = getimagesize($_FILES["logoFile"]["tmp_name"]);
+    if($check === false) {
+        header("Location: admin.php?error=File is not an image.");
+        exit;
+    }
+
+    // Allow certain file formats
+    $allowed_types = ["jpg", "png", "jpeg", "gif"];
+    if(!in_array($imageFileType, $allowed_types)) {
+        header("Location: admin.php?error=Sorry, only JPG, JPEG, PNG & GIF files are allowed.");
+        exit;
+    }
+
+    // Before uploading, remove any old logo files to avoid conflicts
+    $existing_logos = glob($targetDir . "logo.*_old");
+    foreach ($existing_logos as $old_logo) {
+        unlink($old_logo);
+    }
+
+    // Check if a logo already exists and rename it
+    $current_logo_path = glob($targetDir . "logo.*_old");
+    if (!empty($current_logo_path)) {
+        rename($current_logo_path[0], $targetDir . "logo." . pathinfo($current_logo_path[0], PATHINFO_EXTENSION) . "_old");
+    }
+
+    // Try to upload file
+    if (move_uploaded_file($_FILES["logoFile"]["tmp_name"], $targetFile)) {
+        header("Location: admin.php?success=1");
+        exit;
+    } else {
+        header("Location: admin.php?error=Sorry, there was an error uploading your file.");
+        exit;
+    }
+} else {
+    // Redirect back to admin page if accessed directly
+    header("Location: admin.php");
+    exit;
+}
+?>
\ No newline at end of file
