diff --git a/main.js b/main.js
index 2318c21..fcfe66c 100644
--- a/main.js
+++ b/main.js
@@ -24,7 +24,6 @@ function goToLogin() {
 
                 if (!this.track || this.slides.length === 0) {
                     console.warn("Slider DOM elements not found. Retrying...");
-                    // Retry after a short delay
                     setTimeout(() => this.initSlider(), 200);
                     return;
                 }
@@ -126,14 +125,12 @@ function goToLogin() {
                     this.prevBtn.addEventListener('click', () => this.prevSlide());
                 }
 
-                // Pause on hover
                 const container = document.querySelector('.slide1r-container');
                 if (container) {
                     container.addEventListener('mouseenter', () => this.stopAutoPlay());
                     container.addEventListener('mouseleave', () => this.startAutoPlay());
                 }
 
-                // Touch support
                 let startX = 0;
                 let endX = 0;
 
@@ -165,9 +162,7 @@ function goToLogin() {
         }
 
         bindKeyboardEvents() {
-            // Use a more specific event listener to avoid conflicts
             const keyHandler = (e) => {
-                // Only respond if the slider container is visible
                 const container = document.querySelector('.slide1r-container');
                 if (container && this.isElementInViewport(container)) {
                     if (e.key === 'ArrowLeft') {
@@ -192,11 +187,10 @@ function goToLogin() {
         }
     }
 
-    // Initialize the slider immediately
     new Slide1rSlider();
 })();
 
-const allCourses = [
+let allCourses = [
     {
         category: "Software Development & Engineering",
         link: "https://kodepilot.in/course/view.php?id=16",
@@ -222,64 +216,84 @@ const allCourses = [
 
 (async () => {
     const baseUrl = 'https://kodepilot.in/course/index.php';
+    let categories = [];
+    let serverReachable = false;
 
-    // Step 1: Fetch categories dynamically
-    const res = await fetch(baseUrl);
-    const html = await res.text();
-    const categoryRegex = /<h3 class="categoryname aabtn"><a href="([^"]+)">([^<]+)<\/a><\/h3>/g;
+    try {
+        const res = await fetch(baseUrl);
+        const html = await res.text();
+        serverReachable = true;
 
-    const categories = [];
-    let match;
-    while ((match = categoryRegex.exec(html)) !== null) {
-        categories.push({ url: match[1], name: match[2] });
+        // Clear allCourses only if server is reachable
+        allCourses = [];
+
+        const categoryRegex = /<h3 class="categoryname aabtn"><a href="([^"]+)">([^<]+)<\/a><\/h3>/g;
+        let match;
+        while ((match = categoryRegex.exec(html)) !== null) {
+            categories.push({ url: match[1], name: match[2] });
+        }
+
+    } catch (err) {
+        console.error("❌ Cannot reach server, showing default courses.", err);
     }
 
-    console.log('Categories found:', categories);
-
-    // Step 2: Fetch courses for each category
-    const allCourses = [];
-
     for (const category of categories) {
-        const resCat = await fetch(category.url);
-        const catHtml = await resCat.text();
-        const cleanHtml = catHtml.replace(/\n/g, ' '); // Flatten HTML for easier regex
+        try {
+            const resCat = await fetch(category.url);
+            const catHtml = await resCat.text();
+            const cleanHtml = catHtml.replace(/\n/g, ' ');
 
-        // Regex to extract course info
-        const courseRegex = /<div class="card dashboard-card [^"]*"[^>]*>.*?<a href="([^"]+)"[^>]*>.*?background-image: url\(([^)]+)\);".*?<span class="sr-only">(.*?)<\/span>.*?<div class="course-category">\s*([^<]+)<\/div>.*?<div class="course-summary">.*?<p>(.*?)<\/p>/g;
+            const courseRegex = /<div class="card dashboard-card [^"]*"[^>]*>.*?<a href="([^"]+)"[^>]*>.*?background-image: url\(([^)]+)\);".*?<span class="sr-only">(.*?)<\/span>.*?<div class="course-category">\s*([^<]+)<\/div>.*?<div class="course-summary">.*?<p>(.*?)<\/p>/g;
 
-        while ((match = courseRegex.exec(cleanHtml)) !== null) {
-            allCourses.push({
-                category: match[4].trim(),
-                link: match[1].trim(),
-                image: match[2].trim(),
-                name: match[3].trim(),
-                description: match[5].replace(/<br\s*\/?>/g, ' ').trim()
-            });
+            let found = false;
+            while ((match = courseRegex.exec(cleanHtml)) !== null) {
+                found = true;
+                allCourses.push({
+                    category: match[4].trim(),
+                    link: match[1].trim(),
+                    image: match[2].trim(),
+                    name: match[3].trim(),
+                    description: match[5].replace(/<br\s*\/?>/g, ' ').trim()
+                });
+            }
+
+            if (!found) {
+                console.warn("⚠️ No courses found in:", category.url);
+            }
+
+        } catch (err) {
+            console.error("❌ Failed to fetch category:", category.url, err);
         }
     }
 
-    console.log('All courses:', allCourses);
+    renderCourses();
+
 })();
 
+function renderCourses() {
+    const container = document.querySelector('.corces');
+    if (!container) {
+        console.error("⚠️ No .corces container found in DOM");
+        return;
+    }
 
-// Test printing all courses
-console.log("Testing allCourses array:");
-const container = document.querySelector('.corces');
+    container.innerHTML = ''; // clear before rendering
 
-allCourses.forEach(course => {
-    const courseDiv = document.createElement('div');
-    courseDiv.className = 'course-card'; // you can style this class later
+    allCourses.forEach(course => {
+        const courseDiv = document.createElement('div');
+        courseDiv.className = 'course-card';
 
-    courseDiv.innerHTML = `
-    <a href="${course.link}" target="_blank">
-      <div class="course-image" style="background-image: url(${course.image});"></div>
-    </a>
-    <div class="course-content">
-      <div class="course-category">${course.category}</div>
-      <a href="${course.link}" class="course-name" target="_blank">${course.name}</a>
-      <div class="course-description">${course.description}</div>
-    </div>
-  `;
+        courseDiv.innerHTML = `
+        <a href="${course.link}" target="_blank">
+          <div class="course-image" style="background-image: url(${course.image});"></div>
+        </a>
+        <div class="course-content">
+          <div class="course-category">${course.category}</div>
+          <a href="${course.link}" class="course-name" target="_blank">${course.name}</a>
+          <div class="course-description">${course.description}</div>
+        </div>
+      `;
 
-    container.appendChild(courseDiv);
-});
+        container.appendChild(courseDiv);
+    });
+}