@font-face {
    font-family: 'Open Sans';
    font-weight: 400;
    font-style: normal;
    src: url("/fonts/opensans-regular.woff") format("woff");
}
@font-face {
    font-family: 'Open Sans';
    font-weight: 600;
    font-style: normal;
    src: url("/fonts/opensans-semibold.woff") format("woff");
}

html, body {
	width: 100%;
	margin: 0;
	padding: 0;
	font-size: 10px;
  font-family: "Open Sans", sans-serif;
}

body {
  background-color: #fff;
}

a {
  color: #3771c8;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

header {
  background-color: #333;
  width: 100%;
  height: 15rem;
}

#menu-button {
  display: none;
}

header #logo {
  margin: 0 auto;
  padding: 3.75rem 0;
  display: block;
}

#main-navigation {
  height: 5rem;
  background-color: #1a1a1a;
}

#main-navigation ul {
  display: block;
  list-style: none;
  margin: 0;
  padding: 0;
  text-align: center;
}

#main-navigation li {
  display: inline-block;
}

#main-navigation a {
  display: inline-block;
  height: 5rem;
  margin: 0 1rem;
  padding: 0 1rem;
  color: #ccc;
  text-decoration: none;
  font-size: 1.7rem;
  line-height: 5rem;
}

#main-navigation a:hover {
  color: #fff;
}

#main-navigation a.selected {
  color: #fff;
}

.light-section {
  background-color: #fff;
  padding-left: 8rem;
  padding-right: 8rem;
}

.dark-section {
  background-color: #e6e6e6;
  padding-left: 8rem;
  padding-right: 8rem;
}

.illustration, .description {
  flex: 1;
}

.button, input[type=submit] {
  display: inline-block;
  box-sizing: border-box;
  height: 4rem;
  font-size: 1.7rem;
  background-color: #90bc5c;
  padding: 0.8rem 1rem;
  border-radius: 0.5rem;
  color: #fff;
  text-decoration: none;
  margin: 2rem auto 1rem auto;
  border: none;
  font-family: "Open Sans", sans-serif;
}

.button:hover,
.button:active,
input[type=submit]:hover,
input[type=submit]:active {
  background-color: #6d953d;
  text-decoration: none;
}

#use-cases {
  padding: 4rem 15rem;
}

/* Temporary dimensions during load */
#use-cases li {
  width: 20rem;
  margin-left: 2rem;
  margin-right: 2rem;
}

#use-cases #arrows {
  position: absolute;
  top: calc(50% - 2rem);
  height: 0;
  width: 100%;

}

#use-cases #left-arrow {
  position: absolute;
  left: -4rem;
  background-image: url('../images/left_arrow.svg');
  background-color: transparent;
  border: none;
  width: 2.4rem;
  height: 2.4rem;
  padding: 0;
}

#use-cases #right-arrow {
  position: absolute;
  right: -4rem;
  background-image: url('../images/right_arrow.svg');
  background-color: transparent;
  border: none;
  width: 2.4rem;
  height: 2.4rem;
  padding: 0;
}

#left-arrow, #right-arrow {
  opacity: 0.5;
}

#left-arrow:hover, 
#left-arrow:active,
#right-arrow:hover,
#right-arrow:active {
  opacity: 0.75;
}

#use-cases figure {
  margin: 0;
}

.use-case img {
  width: 100%;
}

.use-case figcaption {
  font-size: 1.7rem;
  text-align: center;
}

#supported-by {
  text-align: center;
}

#supported-by h2 {
  font-size: 17px;
  font-weight: normal;
  margin: 3rem 0 0 0;
}

#supported-by a {
  text-decoration: none;
}

#supported-by a img {
  width: 16rem;
  margin: 3rem;
  vertical-align: middle;
}

#register {
  text-align: center;
  padding: 10rem 1rem;
}

#register h2 {
  font-size: 2.2rem;
  font-weight: 400;
}

#register input[type=text], #register input[type=email] {
  height: 3.2rem;
  border: none;
  border-radius: 0.5rem;
  font-size: 1.7rem;
  padding: 0.1rem 1rem;
  margin: 0.5rem;
  font-family: "Open Sans", sans-serif;
}

footer {
  padding: 2rem;
  font-size: 1.3rem;
  text-align: center;
  color: #1a1a1a;
}

footer #footer-links {
  margin: 1rem auto 2rem auto;
}

footer #footer-links a {
  color: #1a1a1a;
  text-decoration: none;
}

footer #footer-links a:hover, footer #footer-links a:active {
  text-decoration: underline;
}

footer #footer-links ul {
  font-size: 1.4rem;
  margin: 0;
  padding: 0;
}

footer #footer-links li {
  list-style-type: none;
  display: inline;
  border-right: solid 1px #1a1a1a;
  padding: 0 1rem;
}

footer #footer-links li:last-child {
  border-right: none;
}

footer #social a {
  display: inline-block;
  width: 3.2rem;
  height: 3.2rem;
  background-size: 3.2rem;
  background-repeat: no-repeat;
  margin: 0.5rem;
}

footer #facebook-icon {
  background-image: url('../images/facebook_icon-greyscale.svg');
}

footer #github-icon {
  background-image: url('../images/github_icon-greyscale.svg');
}

footer #twitter-icon {
  background-image: url('../images/twitter_icon-greyscale.svg');
}

footer #facebook-icon:hover, #facebook-icon:active {
  background-image: url('../images/facebook_icon-colour.svg');
}

footer #github-icon:hover, #github-icon:active {
  background-image: url('../images/github_icon-colour.svg');
}

footer #twitter-icon:hover, #twitter-icon:active {
  background-image: url('../images/twitter_icon-colour.svg');
}

#copyright {
  display: block;
  margin-top: 1rem;
}