/*
$blue: #0087BD; // NCS blue
$orange: #EE7F2D; // Princeton
$red: #C40233; // NCS red
$green: #009F6B; // NCS green
$black: #333; // avoid pure black
$gray: #696969;
$white: #FFF;
$twitter-blue: #1da1f2;
$github-black: #24292e;
*/

html {
  border-top: 4px solid #c40233;
}

body {
  color: #333;
  font-family: "Open Sans", sans-serif;
  font-size: 18px;
  line-height: 1.6;
}

pre,
code {
  font-family: "Source Code Pro", monospace;
}

.clearfix:after,
header:after {
  content: "";
  display: table;
  clear: both;
}

/* https://css-tricks.com/overriding-the-default-text-selection-color-with-css/ */
::selection {
  background-color: #c40233;
  color: #fff;
}

h1 {
  color: #009f6b;
  font-size: 1.5em;
}

h2 {
  font-size: 1.4em;
}

h3 {
  font-size: 1.2em;
}

h4,
h5,
h6 {
  font-size: 1.1em;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: "Source Serif Pro", serif;
}

h2,
h3,
h4,
h5,
h6 {
  margin-top: 1.7em;
  margin-bottom: 0em;
}

a {
  color: #0087bd;
  text-decoration: none;
}

.menu a {
  margin: 0px 3px;
}

/* Animated link underline on hover
   Adapted from https://codepen.io/shshaw/details/pdyJBW

   The ais exclusion is for Algolia pagination links. */
a:not(.anchor):not(.link-button):not(.link-image):not(.ais-Pagination-link) {
  background-image: linear-gradient(currentColor, currentColor);
  background-position: 0% 100%;
  background-repeat: no-repeat;
  background-size: 0% 2px;
  transition: background-size 0.3s;
}

a:not(.anchor):not(.link-button):not(.link-image):not(
    .ais-Pagination-link
  ):hover,
a:not(.anchor):not(.link-button):not(.link-image):not(
    .ais-Pagination-link
  ):focus {
  background-size: 100% 2px;
}

.icon-link {
  font-size: 0.7em;
  margin-left: 0.6em;
  margin-bottom: 1px;
}

/* Don't apply to syntax highlighting for code examples. */
:not(pre) > code {
  background-color: #f6f6f6;
  color: #c40233;
  border-radius: 4px;
  padding: 2px 4px;
}

#container {
  max-width: 700px;
  margin: auto;
  padding-left: 10px;
  padding-right: 10px;
}

header {
  color: #c40233;
  margin: 25px 0px;
}

hr {
  border: 1px solid #eee;
}

hr.separator {
  margin-bottom: 25px;
}

.separator {
  margin-top: 25px;
}

footer {
  margin-top: 1.5rem;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}

footer p {
  margin: 5px 0px;
}

.title {
  float: left;
  margin: 0px;
  font-size: large;
}

@media screen and (max-width: 475px) {
  .title {
    float: none;
  }
}

.menu {
  float: right;
}

@media screen and (max-width: 475px) {
  .menu {
    float: none;
    margin-top: 10px;
  }
  .menu a {
    margin: 0px 0px;
  }
}

blockquote {
  color: #696969;
  padding-left: 15px;
  border-left: 2px solid #ccc;
}

img,
video {
  border-radius: 8px;
  max-width: 100%;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

#social-buttons {
  margin-bottom: 0.8em;
}

button,
.link-button {
  /* prevent ugly blue highlighting when buttons are clicked on mobile
     https://stackoverflow.com/a/21003770/1481479 */
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

button::-moz-focus-inner {
  /* prevent mobile Firefox's dotted outline when buttons are clicked
     https://stackoverflow.com/a/199319/1481479 */
  border: 0;
}

button:hover {
  cursor: pointer;
}

.link-button {
  align-items: center;
  border-radius: 3px;
  color: #fff;
  display: inline-flex;
  padding: 0.3em 1em;
}

.icon {
  display: inline-block;
  width: 1em;
  height: 1em;
  stroke-width: 0;
  stroke: currentColor;
  fill: currentColor;
}

.link-button .icon {
  margin-right: 0.4em;
}

.link-button:not(:last-child) {
  margin-right: 10px;
}

.twitter {
  background-color: #1da1f2;
}

.twitter:hover {
  background-color: #0c85d0;
}

.mastodon {
  background-color: #6364ff;
}

.mastodon:hover {
  background-color: #563acc;
}

.github {
  background-color: #24292e;
}

.github:hover {
  background-color: #0e1011;
}

.email {
  background-color: #c40233;
}

.email:hover {
  background-color: #920126;
}