fix burguer menu

css/styles.css

@@ -308,27 +308,75 @@ h4 { font-size: 1.25rem; }
 }
 
 /* --- Menú Móvil Overlay --- */
-.mobile-menu-drawer {
+/* --- Overlay oscuro detrás del drawer --- */
+.mobile-menu-overlay {
   display: none;
   position: fixed;
-  top: 80px;
-  left: 0;
+  inset: 0;
+  background-color: rgba(10, 24, 32, 0.55);
+  backdrop-filter: blur(3px);
+  -webkit-backdrop-filter: blur(3px);
+  z-index: 998;
+  opacity: 0;
+  transition: opacity 0.3s ease;
+}
+
+.mobile-menu-overlay.is-open {
+  display: block;
+  opacity: 1;
+}
+
+/* --- Drawer lateral derecho --- */
+.mobile-menu-drawer {
+  position: fixed;
+  top: 0;
   right: 0;
   bottom: 0;
+  width: min(320px, 85vw);
   background-color: var(--bg-surface);
+  border-left: 1px solid var(--border-color);
   padding: 2rem 1.5rem;
   overflow-y: auto;
   z-index: 999;
-  border-top: 1px solid var(--border-color);
-  transform: translateY(-100%);
-  opacity: 0;
-  transition: transform 0.3s ease, opacity 0.3s ease;
+  display: flex;
+  flex-direction: column;
+  transform: translateX(100%);
+  transition: transform 0.32s cubic-bezier(0.4, 0, 0.2, 1);
+  box-shadow: -8px 0 32px rgba(10, 24, 32, 0.18);
 }
 
 .mobile-menu-drawer.is-open {
-  display: block;
-  transform: translateY(0);
-  opacity: 1;
+  transform: translateX(0);
+}
+
+/* Cabecera del drawer con botón cerrar */
+.drawer-header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  margin-bottom: 2rem;
+  padding-bottom: 1.25rem;
+  border-bottom: 1px solid var(--border-color);
+}
+
+.drawer-close-btn {
+  background: var(--bg-subtle);
+  border: 1px solid var(--border-color);
+  color: var(--text-main);
+  width: 38px;
+  height: 38px;
+  border-radius: var(--radius-full);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  cursor: pointer;
+  transition: all var(--transition-fast);
+  flex-shrink: 0;
+}
+
+.drawer-close-btn:hover {
+  background: var(--border-color);
+  color: var(--ide-accent);
 }
 
 .mobile-nav-links {