:root {
  /* root color variables */
  --bright-blue: #007bff;
  --nd-blue: #20364c;
  --body-background: #f6f7fb;
  --ghost-white: ghostwhite;
  --alice-blue: aliceblue;
  --footer-slate: #e6e8f1;
  --white: white;
  --body-font: #666;
  --slate-gray: lightslategray;
  --silver: silver;
  --graphite: #506578;
  --trench-blue: #406885;
  --light-blue: #d0e9fe;
  --chocolate: rgb(210, 105, 30);
  --maroon: #161763;
  --lightest-gray: #e9ecef;
}
/* --maroon: maroon; */

html {
  font-size: 18px;
}

body {
  box-sizing: border-box;
  font-family: 'Roboto', "Arial", sans-serif;
  color: var(--body-font);
  background: var(--body-background);
  font-size: 1rem;
}

p, ul, li, table, tr, td, dd, dt {
  color: var(--graphite);
  font-size: 1rem;
}

h1, h2, h3 {
  color: var(--maroon) !important;
}

h4, h5, h6 {
  color: var(--trench-blue) !important;
}

h4 {
  font-size: 1.35rem;
}

/* Lines after headers */
h3 {
  margin-bottom: 1.2rem;
  margin-top: 3rem;
}

h3 {
  position: relative;
}

h3 span {
  background-color: var(--body-background);
  padding-right: 10px;
}

h3:after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 0.5em;
  border-top: 2px solid var(--silver);
  z-index: -1;
}

.position-title {
  font-size: 1.1rem;
  color: var(--trench-blue) !important;
  font-weight: 600;
}

#contact-table td {
  font-size: 1rem !important;
}

#contact-table td:first-of-type {
  color: var(--trench-blue);
}

#contact-table tr:first-child td {
  border: none !important;
}

.list-group-item a,
.list-group-item a i {
  color: var(--bright-blue);
}

/* Projects ---------------------------------------------------------------- */
#projects-div {
  margin-top: 3.5rem;
}

#projects-div .card {
  margin-bottom: 2rem;
  cursor: pointer;
}

#projects-div .card-body {
  padding: 3rem 2rem 2rem;
  text-align: left;
}

#projects-div .card-body h5 {
  text-align: left;
  color: var(--maroon) !important;
  margin-top: -1rem;
  z-index: 1000;
}

.card-action {
  background: transparent;
  margin-top: -4.05rem;
  margin-bottom: 3rem;
  z-index: 1;
}

.card-action span {
  color: var(--bright-blue);
  border: 1px solid rgba(0, 0, 0, .125);
  background: var(--white);
  padding: 2rem .8rem 1rem;
  border-radius: 90px;
}

/* Filter buttons */
#filter-buttons {
  margin-bottom: 2rem;
}

#filter-buttons button {
  margin-bottom: 1rem;
}

#filter-buttons button.active {
  background: var(--graphite);
  border: none;
}

/* Teaching section --------------------------------------------------------- */
#teaching-section .card {
  border: none;
  border-bottom: 1px dotted var(--silver) !important;
  background: none;
}

#teaching-section .card-header {
  background: transparent !important;
  padding: .3rem 0rem 0 .3rem;
  border-bottom: none !important;
}

#teaching-section .card-body {
  background: transparent !important;
  padding: .3rem 1rem 0 1rem;
  border-bottom: none !important;
}

#teaching-section button {
  text-align: left;
}

.fa-rotate-45 {
  -webkit-transform: rotate(45deg);
  -moz-transform: rotate(45deg);
  -ms-transform: rotate(45deg);
  -o-transform: rotate(45deg);
  transform: rotate(45deg);
  transition-property: all;
  transition-duration: .2s;
}

.fa-rotate-90 {
  -webkit-transform: rotate(45deg);
  -moz-transform: rotate(45deg);
  -ms-transform: rotate(45deg);
  -o-transform: rotate(45deg);
  transform: rotate(45deg);
  transition-property: all;
  transition-duration: .2s;
}

/* Research section --------------------------------------------------------- */
#reseach-bullets li {
  margin-bottom: .75rem;
}

#conference-presentations,
#invited-talks {
  margin-left: 1.25rem;
}

#conference-presentations dt {
  font-weight: 600;
}

#conference-presentations dd {
  margin-bottom: 1rem;
}

/* Vitae ----------------------------------------------------------------------*/
#vitae-iframe {
  box-shadow: 1px 1px 6px 0px var(--silver);
}

/* Format the social-professional network icons ------------------------------ */
.social-icons {
  list-style-type: none;
  padding:0;
}

.social-icons li {
  padding: 0 .75rem;
  display: inline-block;
  text-align: center;
  cursor: pointer;
}

.social-icons li a {
  color: #1585cf;
}

/* Color --------------------------------------------- */
.bright-blue {
  color: var(--bright-blue);
}

.chocolate {
  color: var(--chocolate);
}

.trench-blue {
  color: var(--trench-blue) !important;
}

.ghost-white {
  color: var(--ghost-white);
}

.bright-blue {
  color: var(--bright-blue);
}

.light-blue {
  color: var(--light-blue);
}

.footer-slate {
  color: var(--footer-slate);
}

.white {
  color: var(--white);
}

.slate-gray {
  color: var(--slate-gray);
}

.silver {
  color: var(--silver);
}

.graphite {
  color: var(--graphite);
}

.bg-alice-blue {
  background: var(--alice-blue);
}

/* Navbar -------------------------------------------- */
.bg-navbar,
.bg-footer {
  background: var(--nd-blue);
}

#page-navbar nav {
  padding: 1.5rem;
}

#page-navbar img {
  width: 30px;
}

.navbar-brand {
  font-size: 1.5rem !important;
}

#page-lead {
  margin-bottom: 2rem !important;
}

#page-footer {
  background: var(--nd-blue);
  padding: 2rem 0 1.5rem;
}

#acknowledge {
  margin-top: 75px;
}

blockquote,
cite {
  font-style: normal;
}

/* Back to top button  --------------------------------------- */
#back-to-top {
  display: none;
  position: fixed;
  bottom: 40%;
  right: 0;
  z-index: 99;
  border: none;
  outline: none;
  background-color: var(--bright-blue);
  color: var(--white) !important;
  padding: 8px 4px 10px 4px;
  border-radius: 2px 0 0 2px;
  font-size: 1rem;
  cursor: pointer !important;
}

#back-to-top:hover {
  background-color: var(--bright-blue);
  color: var(--white);
}

#page-navbar .active {
  border-bottom: 3px solid white;
}

/* Set cursor as pointer */
.pointer {
  cursor: pointer;
}

/* Education section ---------------------------------------- */
#education {
  border: none !important;
}

#education li {
  padding: .25rem 0;
  background: transparent;
  border: none !important;
}

/* wrapper -------------------------------------------------- */
#wrapper {
  padding-top: 5rem;
}

#wrapper a {
  font-size: inherit;
  color: var(--bright-blue);
}

/* Search-box */
#search-box {
  margin-top: 3rem;
  outline: none;
  background: var(--lightest-gray);
  padding: 1rem 1rem .25rem;
  margin-bottom: 1.5rem;
  /* border: none !important;
  -webkit-box-shadow: none !important;
  -moz-box-shadow: none !important;
  box-shadow: none !important; */
}

#search-box input {
  text-shadow: none !important;
  color: var(--graphite);
  border: none !important;
  background: var(--lightest-gray) !important;
}

/* Utilities */
.small-caps {
  font-variant: small-caps;
}

.badge {
  padding: .4rem .6rem;
}

.urls {
  overflow-wrap: break-word;
  word-wrap: break-word;
  word-break: break-word;
  -ms-hyphens: auto;
  -moz-hyphens: auto;
  -webkit-hyphens: auto;
  hyphens: auto;
}

input::placeholder {
  color: var(--slate-gray) !important;
  text-shadow: none;
}

.card-header button {
  font-size: 1.1rem !important;
}

/* Media queries ------------------------------------------- */
@media screen and (max-width: 560px) {
  #page-navbar .nav-item {
    padding: .1rem 2rem .1rem 1.5rem;
    margin-top: .35rem;
    border-bottom: 1px dotted var(--silver);
  }

  #my-photo {
    margin-top: -4rem;
  }

  #page-navbar #projects {
    border: none !important;
  }
}