main.js: fix scroll

Signed-off-by: Rodrigo Bertoldo de Sousa Martins <rodrigo.sousa.577@gmail.com>

js/main.js

@@ -217,9 +217,15 @@
             
             if (target) {
                 e.preventDefault();
-                target.scrollIntoView({
-                    behavior: 'smooth',
-                    block: 'start'
+                
+                // Calcular altura do header para ajustar o offset
+                const headerHeight = elements.header ? elements.header.offsetHeight : 0;
+                const targetPosition = target.getBoundingClientRect().top + window.pageYOffset;
+                const offsetPosition = targetPosition - headerHeight - 20; // 20px de margem extra
+                
+                window.scrollTo({
+                    top: offsetPosition,
+                    behavior: 'smooth'
                 });
             }
         });