add scroll

index.html

@@ -1016,6 +1016,26 @@
         localStorage.setItem('pageViews', views);
         pageCounter.textContent = views;
 
+        // Scroll navigation
+        const scrollNav = document.getElementById('scroll-nav');
+        const scrollUpBtn = document.getElementById('scroll-up-btn');
+        const scrollDownBtn = document.getElementById('scroll-down-btn');
+
+        const sections = ['home', 'features', 'create', 'pricing'];
+        let currentIndex = 0;
+
+        window.addEventListener('scroll', () => {
+            scrollNav.classList.toggle('hidden', window.scrollY < 200);
+        });
+
+        scrollUpBtn.addEventListener('click', () => window.scrollTo({ top: 0, behavior: 'smooth' }));
+
+        scrollDownBtn.addEventListener('click', () => {
+            currentIndex = (currentIndex + 1) % sections.length;
+            const target = document.getElementById(sections[currentIndex]);
+            if (target) target.scrollIntoView({ behavior: 'smooth' });
+        });
+
         // Demo toggle functionality
         document.getElementById('demo-toggle').addEventListener('click', () => {
             const promoSection = document.getElementById('social-promo');