Update body font to 'Google Sans Text' (#5095)

Fixes #3792

Author: parlough

src/_includes/head.html

@@ -61,7 +61,7 @@
   <link href="https://fonts.googleapis.com/css2?family=Google+Sans:wght@400;500;700&display=swap" rel="stylesheet">
   <link href="https://fonts.googleapis.com/css2?family=Google+Sans+Display:wght@400&display=swap" rel="stylesheet">
   <link href="https://fonts.googleapis.com/css2?family=Google+Sans+Mono:wght@400;500;700&display=swap" rel="stylesheet">
-  <link href="https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&display=swap" rel="stylesheet">
+  <link href="https://fonts.googleapis.com/css2?family=Google+Sans+Text:wght@400;500;700&display=swap" rel="stylesheet">
   <link href="https://fonts.googleapis.com/icon?family=Material+Icons&display=swap" rel="stylesheet">
 
   <link rel="stylesheet" href="{{ '/assets/css/main.css' | append: cache_bust }}">

src/_sass/components/_banner.scss

@@ -8,9 +8,8 @@
   z-index: 1000;
 
   &__text {
-    font-family: $site-font-family-base;
+    font-family: $site-font-family-alt;
     font-size: 16px;
-    font-weight: 300;
 
     color: white;
 

src/_sass/core/_variables.scss

@@ -71,10 +71,9 @@ $content-padding:         32px;
 $top-content-padding:     55px;
 
 // Fonts
-$site-font-family-roboto: 'Roboto', sans-serif;
 $site-font-family-gsans: 'Google Sans', 'Roboto', sans-serif;
 $site-font-family-gsans-display: 'Google Sans Display', 'Google Sans', 'Roboto', sans-serif;
-$site-font-family-base: $site-font-family-roboto;
+$site-font-family-base: 'Google Sans Text', 'Roboto', sans-serif;
 $site-font-family-alt: $site-font-family-gsans;
 $site-font-family-icon: 'Material Icons';
 $site-font-family-monospace: 'Google Sans Mono', 'Roboto Mono', Menlo, 'Bitstream Vera Sans Mono', 'DejaVu Sans Mono', Monaco, Consolas, monospace;