fix(nav): align navbar text and icon baselines with zibll

Center FA icons in toggle-radius/btn chips, restore menu-item title flex baseline, and match CTA/logo vertical alignment so top bar text and icons no longer drift.

assets/css/frontend/nav/zib-navbar-core.css

@@ -296,6 +296,11 @@ badge.top,
     font-size: 0.8em;
     padding: 0.3em 1em !important;
     margin: 0.4em;
+    display: inline-flex !important;
+    align-items: center;
+    justify-content: center;
+    line-height: 1.44;
+    vertical-align: middle;
 }
 
 .navbar-top .navbar-but .but.hover-show {
@@ -304,11 +309,22 @@ badge.top,
 
 .navbar-top .navbar-brand {
     padding: 7px 10px;
+    display: flex;
+    align-items: center;
+    line-height: 1;
+}
+
+.navbar-logo {
+    display: inline-flex;
+    align-items: center;
+    line-height: 0;
 }
 
 .navbar-logo > img {
     height: 36px;
     padding: 0 30px;
+    display: block;
+    vertical-align: middle;
 }
 
 .navbar-top .nav > li > a {
@@ -318,12 +334,16 @@ badge.top,
     display: inline-flex !important;
     overflow: hidden;
     align-items: center;
+    line-height: 1.44;
 }
 
 .navbar-top .nav > li > a > .menu-item-title {
     text-overflow: ellipsis;
     white-space: nowrap;
     overflow: hidden;
+    line-height: 1.44;
+    display: inline-block;
+    vertical-align: middle;
 }
 
 .menu-item > a > .but {
@@ -338,8 +358,31 @@ badge.top,
     color: var(--focus-color);
 }
 
-.navbar-top .fa {
+.navbar-top .fa,
+.navbar-top .fas,
+.navbar-top .far,
+.navbar-top .fab {
     transition: 0.2s;
+    line-height: 1;
+}
+
+/* Override AKSRT .btn chrome when used as pure icon hit-targets in the bar */
+.navbar-top a.btn.signin-loader,
+.navbar-top a.btn.nav-search-btn,
+.navbar-top a.btn.main-search-btn {
+    height: 36px !important;
+    width: 36px !important;
+    min-height: 36px !important;
+    padding: 0 !important;
+    gap: 0 !important;
+    line-height: 1 !important;
+    border-radius: 4px;
+    font-size: 16px;
+}
+
+.navbar-top .navbar-form {
+    display: flex;
+    align-items: center;
 }
 
 .navbar-collapse .search-input {