docs: adjust SCSS and tans_demo searchability

* Change link colour from cmu-red to skibo-red
* Adjust navigation bar colour and hover/active SCSS
* Exclude tans_demo.md from being searchable.

Author: JavierMtzRdz

docs/_sass/color_schemes/delphi.scss

@@ -3,16 +3,17 @@
 
 // Core Colors
 $cmu-red: #C41230;
+$skibo-red: #941120;
 $berkley-blue: #002676;
-$fg: #172431;
+$fg: #373c46;
 $bg: #fff;
 $border: #e1e4e8;
 
 // Base Colors
 $body-background-color: $bg;
 $body-text-color: $fg;
 $headings-color: $berkley-blue;
-$link-color: $cmu-red;
+$link-color: $skibo-red;
 $border-color: $border;
 
 // Sidebar and Navigation

docs/_sass/custom/custom.scss

@@ -41,65 +41,36 @@ h6 {
     margin: 2.75rem 0 1.05rem;
 }
 
-aside {
-    padding-top: 1.5rem;
-    border-left: none;
-
-    h2 {
-        margin-top: 1.2rem;
-        font-size: 1.25rem;
-        font-family: 'Source Serif Pro', serif;
-        color: #002676;
-    }
-
-    .roles {
-        color: var(--body-text);
-        opacity: 0.8;
-    }
-
-    .nav-list-item {
-        margin-bottom: 0.25rem;
-    }
+.nav-list-item {
+    margin-bottom: 0.25rem;
+}
 
-    .nav-list-link {
-        padding: 0.25rem 0.5rem;
-        border-radius: 4px;
-        transition: background-color 0.2s, color 0.2s;
-
-        &:hover {
-            background-color: rgba(0, 38, 118, 0.05);
-            color: #941120;
-            text-decoration: none;
-        }
-
-        &.active {
-            font-weight: 600;
-            color: #941120;
-            background-color: rgba(196, 18, 48, 0.03);
-        }
-    }
+.nav-list-link {
+    padding: 0.25rem 0.5rem;
+    border-radius: 4px;
+    transition: background-color 0.2s, color 0.2s;
+    opacity: 0.9;
 
-    .list-unstyled li {
-        margin-bottom: 0.5rem;
+    &.active {
+        font-weight: 600;
+        color: #941120;
+        opacity: 1;
     }
 
-    .dev-status .list-unstyled li {
-        margin-bottom: 0.1rem;
+    &:hover {
+        color: #941120;
+        font-weight: 600;
+        text-decoration: none;
+        opacity: 1;
     }
 }
 
-@media (max-width: 576px) {
-    aside {
-        margin: 0.5rem;
-        width: calc(100vw - 1rem);
-        background-color: #f8f9fa;
-        border-radius: 4px;
-        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
+.list-unstyled li {
+    margin-bottom: 0.5rem;
+}
 
-        h2:first-child {
-            margin-top: 1rem;
-        }
-    }
+.dev-status .list-unstyled li {
+    margin-bottom: 0.1rem;
 }
 
 .row>main {

docs/tabs_demo.md

@@ -1,6 +1,7 @@
 ---
 title: Documentation Features Tutorial
 nav_exclude: true
+search_exclude: true
 ---
 
 # Documentation Features Tutorial