diff --git a/assets/js/script.js b/assets/js/script.js
index 96c9572..7146f58 100644
--- a/assets/js/script.js
+++ b/assets/js/script.js
@@ -1,41 +1,100 @@
 'use strict';
 
-// navbar variables
+// ===== Navbar Toggle =====
 const nav = document.querySelector('.mobile-nav');
 const navMenuBtn = document.querySelector('.nav-menu-btn');
 const navCloseBtn = document.querySelector('.nav-close-btn');
 
-
-// navToggle function
-const navToggleFunc = function () { nav.classList.toggle('active'); }
+const navToggleFunc = () => {
+  nav.classList.toggle('active');
+};
 
 navMenuBtn.addEventListener('click', navToggleFunc);
 navCloseBtn.addEventListener('click', navToggleFunc);
 
+// Close mobile nav on nav link click
+const mobileNavLinks = document.querySelectorAll('.mobile-nav .nav-link');
+mobileNavLinks.forEach(link => {
+  link.addEventListener('click', () => {
+    nav.classList.remove('active');
+  });
+});
 
 
-// theme toggle variables
+// ===== Theme Toggle with LocalStorage =====
 const themeBtn = document.querySelectorAll('.theme-btn');
+const body = document.body;
+
+// Apply saved theme on load
+const savedTheme = localStorage.getItem('theme');
+if (savedTheme === 'dark') {
+  body.classList.add('dark-theme');
+  body.classList.remove('light-theme');
+  themeBtn.forEach(btn => {
+    btn.classList.add('dark');
+    btn.classList.remove('light');
+  });
+} else {
+  body.classList.add('light-theme');
+  themeBtn.forEach(btn => {
+    btn.classList.add('light');
+    btn.classList.remove('dark');
+  });
+}
+
+// Toggle theme on button click
+themeBtn.forEach(btn => {
+  btn.addEventListener('click', () => {
+    const isDark = body.classList.toggle('dark-theme');
+    body.classList.toggle('light-theme');
+
+    themeBtn.forEach(btn => {
+      btn.classList.toggle('dark');
+      btn.classList.toggle('light');
+    });
+
+    localStorage.setItem('theme', isDark ? 'dark' : 'light');
+  });
+});
+
+
+// ===== Newsletter Form Validation =====
+const newsletterForm = document.querySelector('.newsletter form');
+
+if (newsletterForm) {
+  newsletterForm.addEventListener('submit', function (e) {
+    const emailInput = this.querySelector('input[name="email"]');
+    const email = emailInput.value.trim();
+
+    if (!email || !email.includes('@')) {
+      e.preventDefault(); // Stop form submission
+      alert('Please enter a valid email address.');
+    }
+  });
+}
 
 
-for (let i = 0; i < themeBtn.length; i++) {
+// ===== Load More Blog Cards =====
+const blogCards = document.querySelectorAll('.blog-card');
+const loadMoreBtn = document.querySelector('.load-more');
 
-  themeBtn[i].addEventListener('click', function () {
+if (blogCards.length && loadMoreBtn) {
+  let visibleCards = 3;
 
-    // toggle `light-theme` & `dark-theme` class from `body`
-    // when clicked `theme-btn`
-    document.body.classList.toggle('light-theme');
-    document.body.classList.toggle('dark-theme');
+  const showCards = count => {
+    blogCards.forEach((card, i) => {
+      card.style.display = i < count ? 'block' : 'none';
+    });
+  };
 
-    for (let i = 0; i < themeBtn.length; i++) {
+  showCards(visibleCards);
 
-      // When the `theme-btn` is clicked,
-      // it toggles classes between `light` & `dark` for all `theme-btn`.
-      themeBtn[i].classList.toggle('light');
-      themeBtn[i].classList.toggle('dark');
+  loadMoreBtn.addEventListener('click', () => {
+    visibleCards += 3;
+    showCards(visibleCards);
 
+    if (visibleCards >= blogCards.length) {
+      loadMoreBtn.style.display = 'none';
     }
-
-  })
-
-}
\ No newline at end of file
+  });
+}