adding icon secondary nav with buttons

css/style.css

@@ -351,7 +351,7 @@ a:visited {
   text-decoration-thickness: 0.175rem;
 }
 
-button, .link-button, .menu-button, .logo {
+button, .link-button, .menu-button, .menu-button-secondary, .logo {
   appearance: none;
   -webkit-appearance: none;
   display: inline-flex;
@@ -382,6 +382,12 @@ button, .link-button, .logo, .desktop-nav a[aria-current="page"],
   color: var(--color-menu-text-button);
 }
 
+.menu-button-secondary {
+  background: var(--color-secondary);
+  color: var(--color-text-button);
+  box-shadow: var(--shadow-button);
+}
+
 .logo {
   padding: 1rem;
   aspect-ratio: 1/1;
@@ -426,6 +432,19 @@ button:visited, .link-button:visited, .logo:visited, .desktop-nav a[aria-current
 /* =======================
  Layout styles
  ======================= */
+ 
+.visually-hidden {
+  position: absolute;
+  width: 1px;
+  height: 1px;
+  margin: -1px;
+  padding: 0;
+  overflow: hidden;
+  clip: rect(0, 0, 0, 0);
+  clip-path: inset(50%);
+  white-space: nowrap;
+  border: 0;
+}
 
 #skipLink a {
   display: block;
@@ -510,6 +529,41 @@ button:visited, .link-button:visited, .logo:visited, .desktop-nav a[aria-current
   
 }
 
+.desktop-nav-secondary ul {
+  display: flex;
+  align-items: stretch;
+  gap: var(--spacing-4);
+  margin: 0;
+  padding: 0;
+  list-style: none;
+}
+
+.desktop-nav-secondary li {
+  display: flex;
+  margin: 0;
+  padding: 0;
+}
+
+.desktop-nav-secondary svg {
+  color: var(--color-secondary);
+  height: 1.5em;
+  width: 1.5em;
+  flex: none;
+  display: block;
+}
+
+.desktop-nav-secondary svg:hover {
+  color: var(--color-secondary-hover);
+}
+
+.desktop-nav-secondary svg:active {
+  color: var(--color-secondary-active);
+}
+
+.desktop-nav-secondary svg path {
+  fill: currentColor;
+}
+
 .menu-toggle,
 .menu-close {
   width: 44px;