/* papers start */
.custom-btn {
  background-color: #4761ff;
  color: white;
  border: none;
  text-align: center;
  font-size: 13px;
  font-weight: bold;
  padding: 15px;
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.custom-btn:hover {
  background-color: #f2eded;
  color: #4761ff;
}
.icon {
  margin-right: 8px;
}
/* papers end */
/* research start */
.abstract-section {
  border-top: 2px solid #ffc107;
  font-family: "Font Awesome 5 Free";
  font-size: 1.2rem;
  margin-top: 20px;
  padding-top: 10px;
}
.btn-download {
  margin-bottom: 15px;
}
.published-date {
  border: 1px solid #ddd;
  padding: 10px;
  text-align: center;
  background-color: #f8f9fa;
  font-weight: bold;
  font-size: 0.9rem;
}
/* research end */
/* video start */
.about {
  background: linear-gradient(rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.1)),
    url(../img/about.jpg) left center no-repeat;
  background-size: cover;
}
.card {
  border: 1px solid black;
}
.card-header {
  background-color: #4761ff;
  color: #ffffff;
  font-weight: bold;
}
.info-row {
  border-bottom: 1px solid #ddd;
  padding: 10px 0;
}
.info-row:last-child {
  border-bottom: none;
}
.info-label {
  font-weight: 800;
  color: #333;
}
.info-value {
  text-align: right;
  color: #4761ff;
}
.btn-play {
  position: relative;
  display: block;
  box-sizing: content-box;
  width: 36px;
  height: 46px;
  border-radius: 100%;
  border: none;
  outline: none !important;
  padding: 18px 20px 20px 28px;
  background: var(--primary);
}
.btn-play:before {
  content: "";
  position: absolute;
  z-index: 0;
  left: 50%;
  top: 50%;
  transform: translateX(-50%) translateY(-50%);
  display: block;
  width: 90px;
  height: 90px;
  background: var(--primary);
  border-radius: 100%;
  animation: pulse-border 1500ms ease-out infinite;
}
.btn-play:after {
  content: "";
  position: absolute;
  z-index: 1;
  left: 50%;
  top: 50%;
  transform: translateX(-50%) translateY(-50%);
  display: block;
  width: 90px;
  height: 90px;
  background: var(--primary);
  border-radius: 100%;
  transition: all 200ms;
}
.btn-play span {
  display: block;
  position: relative;
  z-index: 3;
  width: 0;
  height: 0;
  left: 3px;
  border-left: 30px solid #ffffff;
  border-top: 18px solid transparent;
  border-bottom: 18px solid transparent;
}
@keyframes pulse-border {
  0% {
    transform: translateX(-50%) translateY(-50%) translateZ(0) scale(1);
    opacity: 1;
  }
  100% {
    transform: translateX(-50%) translateY(-50%) translateZ(0) scale(2);
    opacity: 0;
  }
}
.modal-video .modal-dialog {
  position: relative;
  max-width: 800px;
  margin: 60px auto 0 auto;
}
.modal-video .modal-body {
  position: relative;
  padding: 0px;
}
.modal-video .close {
  position: absolute;
  width: 30px;
  height: 30px;
  right: 0px;
  top: -30px;
  z-index: 999;
  font-size: 30px;
  font-weight: normal;
  color: #ffffff;
  background: #000000;
  opacity: 1;
}
.card {
  border-radius: 10px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  margin-bottom: 20px;
}
.card-body {
  padding: 1.5rem;
}
.header {
  background-color: #4761ff;
  color: white;
  padding: 1.5rem;
  border-radius: 10px 10px 0 0;
}
.metric {
  font-size: 1.5rem;
  font-weight: 600;
}
.metric-label {
  font-size: 0.9rem;
}
.progress-bar {
  height: 12px;
}
/* video end */
/* piblished start */
.section-title {
  color: #666;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 1.5rem;
  border-bottom: 2px solid #ffc107;
  display: inline-block;
  margin-bottom: 1rem;
}
.paper-title {
  font-family: "Font Awesome 5 Free";
  color: #005792;
  font-weight: 700;
  font-size: 1.25rem;
}
.author-names {
  font-family: "Font Awesome 5 Free";
  color: #666;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}
.btn-custom {
  background-color: #4761ff;
  color: #fff;
  font-size: 0.85rem;
  margin-right: 0.5rem;
}
.btn-custom:hover {
  background-color: #f2eded; /* Darker teal for hover */
  color: #4761ff;
}
/* published end */