@import url(https://fonts.googleapis.com/css?family=Lato:400,700,900,900italic|Merriweather:300italic,300,700,700italic);


* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  outline: 0;
}

body {
  /*color: #9B9B9B;*/
  font-family: "Trebuchet MS", "Verdana", serif;
/*  font-size: 18px;*/
/*  text-align: center; */
}
footer {
  font-size: smaller;
}

.centered {
  text-align: center;
}

h1, h2, h3, h4 {
  font-family: "Lato", "Arial", sans-serif;
  font-weight: 900;
  font-style: regular;
  color: #2C2C2C;
}

h1 {
  font-size: xx-large;
/*
  font-size: 36px;
  font-size: 60px;
  line-height: 46px;
  line-height: 75px;
*/
}
h2 {
  font-size: x-large;  
/*
  font-size: 30px;
  line-height: 40px;
*/
}
h3 {
  font-size: large;  
/*
  font-size: 20px;
  line-height: 27px;
*/
}

p {
  margin: 1.5em 0;
  line-height: 1.5em;
}

li {
  margin-left: 5%; /* 5.0em; */
}

nav {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  right: 0;
  padding: 3px;
  background: #112337;  /*#D0021B;*/
  font-size: medium;
  font-family: "Lato", "Arial", sans-serif;
  font-weight: 500;
  text-transform: uppercase;
}
nav a {
  color: #fff;
  text-decoration: none;
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
}
nav a:hover {
  background: #fff;
  color: #112337;
}

a {
  color: #592b48; /* #34192a; #342f16; #26517f; */
  text-decoration: none;
  display: inline-block;
}
a:hover {
  background: #D3BF59;
/*  background: #96b2b9;*/
  color: #534b23; /* #112337; */
}


/*
 * BUTTONS
 */

.button-pdf {
  background-image: url(/assets/images/PDF-light-button.png);
}
.button-pdf:hover {
  background-image: url(/assets/images/PDF-dark-button.png);
}
.button-video {
  background-image: url(/assets/images/video-light-button.png);
}
.button-video:hover {
  background-image: url(/assets/images/video-dark-button.png);
}
.button-github {
  background-image: url(/assets/images/GitHub-light-button.png);
}
.button-github:hover {
  background-image: url(/assets/images/GitHub-dark-button.png);
}
.button-linkedin {
  background-image: url(/assets/images/LinkedIn-light-button.png);
}
.button-linkedin:hover {
  background-image: url(/assets/images/LinkedIn-dark-button.png);
}
.button-ibm-research {
  background-image: url(/assets/images/IBM-light-button.png);
}
.button-ibm-research:hover {
  background-image: url(/assets/images/IBM-dark-button.png);
}
.button-google-scholar {
  background-image: url(/assets/images/Google-Scholar-button.png);
}
.button-google-scholar:hover {
  background-image: url(/assets/images/Google-Scholar-button.png);
}
/*
.button-twitter {
  background-image: url(/assets/images/Twitter-button.png);
}
*/
.button-bluesky {
  background-image: url(/assets/images/Bluesky-button.png);
}
.button-bluesky:hover {
  background-image: url(/assets/images/Bluesky-button.png);
}
.button-mastodon {
  background-image: url(/assets/images/Mastodon-button.png);
}
.button-mastodon:hover {
  background-image: url(/assets/images/Mastodon-button.png);
}
.button-flickr {
  background-image: url(/assets/images/Flickr-button.png);
}
.button-flickr:hover {
  background-image: url(/assets/images/Flickr-button.png);
}
.button-glass {
  background-image: url(/assets/images/Glass-button.png);
}
.button-glass:hover {
  background-image: url(/assets/images/Glass-button.png);
}
.button-vero {
  background-image: url(/assets/images/VERO-light-button.png);
}
.button-vero:hover {
  background-image: url(/assets/images/VERO-dark-button.png);
}
.button-photo {
  background-image: url(/assets/images/photo-light-button.png);
}
.button-photo:hover {
  background-image: url(/assets/images/photo-dark-button.png);
}

.no-toggle-button, .button, .button:hover {
  display: inline-block;
  padding: 0 15px 0 35px;
  margin: 0 5px;
  height: 30px;
  line-height: 31px;
  border-radius: 20px;
  background-repeat: no-repeat;
  background-size: 20px 20px;
  background-position: 5px 5px;
  text-decoration: none;
}

.no-toggle-button, .button {
  color: #fff;
  background-color: #112337;
}
.button:hover {
  background-color: #fff;
  color: #112337;
}

.button-inactive {
  opacity: 0.75;
  filter: alpha(opacity=75); /* For IE8 and earlier */
}


/*
 * LAYOUT
 */

section {
  margin-top:    80px;
  margin-bottom: 80px;
  margin-left:    0px;
  margin-right:   0px;
}

.section-title {
  margin-bottom: 30px;
  border-top: 1px solid #eee;
}
.section-title span {
  position: relative;
  top: -12px;
  padding: 0 10px;
  background: #fff;
  font-family: "Lato", "Arial", sans-serif;
  font-weight: 900;
  font-size: large;
  text-transform: uppercase;
  color: #CECECE;
}



/*
 * ABOUT
 */

#about {
  margin: 72px 0 40px;
  /* margin: 100px 0 40px; */
}

#about h1 {
  font-size: xx-large;
/*
  font-size: 64px;
  line-height: 96px;
  font-size: 100px;
  line-height: 120px;
*/
}

.about-whoami {
  margin: 20px;
  font-size: medium;
/*
  font-size: 20px;
  line-height: 30px;
*/  
}

.about-social {
  margin: 30px;
}



/*
 * REASEARCHES
 */

#research {

}
#research:after {
  content: " ";
  display: block;
  clear: both;
}

.research-item {
  width: 50%;
  padding: 0 15px;
  float: left;
}