/* Typography follows the Objective-Smalltalk (mustard-ui) site: Open Sans /
   system sans-serif, roomy line height, light body weight, grey text. */
body {
   font-family: "Open Sans", -apple-system, "Helvetica Neue", Helvetica, Arial, sans-serif;
   font-size: 16px;
   line-height: 1.6;
   font-weight: 300;
   color: #424242;
   margin: 0;
   padding: 1em;
}

h1, h2, h3, h4, h5, h6 {
   font-weight: 600;
   color: #424242;
   margin: 0 0 10px;
   line-height: 1.3;
}
h1 { font-size: 32px; }
h2 { font-size: 26px; }
h3 { font-size: 20px; margin-top: 24px; }

p { margin: 0 0 15px; }
strong, b { font-weight: 600; }

a { color: #004c73; text-decoration: none; }
a:visited { color: #800000; }
a:hover { color: #ff0000; }

.page {
   max-width: 900px;
   margin: 0 auto;
}

/* Logo on the left, blue brand bar filling the rest of the top row. */
.topbar {
   display: flex;
   align-items: stretch;
   gap: 16px;
   padding: 12px 0;
}
.topbar .logo img { display: block; }
.brandbar {
   flex: 1;
   background-color: #004c73;
   color: #ffffff;
   border-radius: 8px;
   box-sizing: border-box;
   display: flex;
   align-items: flex-end;
   justify-content: flex-end;
   padding: 6px 14px;
   font-weight: 600;
}

/* Left nav column + right content column. */
.columns {
   display: flex;
   gap: 32px;
   align-items: flex-start;
}
.sidebar { flex: 0 0 130px; }
.sidebar ul { list-style: none; margin: 0; padding: 0; }
.sidebar li { margin: 8px 0; }
.sidebar a.active { font-weight: 600; }

.content { flex: 1; min-width: 0; }

img.icon { float: left; padding-right: 8px; }

footer {
   display: flex;
   justify-content: space-between;
   margin-top: 40px;
   padding-top: 12px;
   border-top: 1px solid #e0e0e0;
   color: #9e9e9e;
   font-size: 13px;
}