/* ==========================================================================
   Author's custom styles
   ========================================================================== */

body {
  padding-bottom: 40px;
  /* font-family: -apple-system, BlinkMacSystemFont, Tahoma, Arial, "Hiragino Sans GB", "Microsoft YaHei", sans-serif; */
  /* font-family: 'Verdana', sans-serif; */
  /* font: 14px/1.5 "Helvetica Neue", Helvetica, Arial, "Microsoft Yahei", "Hiragino Sans GB", "Heiti SC", "WenQuanYi Micro Hei", sans-serif; */
  /* font-family: "lucida grande", "lucida sans unicode", lucida, helvetica, "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif; */
}

main {
  background-color: #fff;
  /* background-color: #e6eef9; */
}
.vspace {
  margin-top: 30px;
  margin-bottom: 60px;
}

a.pdf {
  background-image: url("./img/pdf.png");
  background-repeat: no-repeat;
  background-position: 0 center;
  padding: 0 0 0 18px;
}

.hero-unit {
  padding: 30px;
}

.author {
  width: 25%;
}

.paper {
  width: 60%;
}

.news {
  text-align: left;
}

.news li {
  margin-top: 10px;
  padding: 10px;
  border-top: 1px solid #cccccc;
  list-style: none;
}

header {
  padding-top: 10px;
  padding-left: 20px;
  text-align: center;
}

.site-title {
  font-weight: 400;
  font-size: 24pt;
}

.site-title a,
.site-title a:focus,
.site-title a:hover,
.site-title a:visited {
  color: #a80808;
}

.site-title a {
  line-height: 1.2;
}

.site-logo-img {
  padding-right: 1em;
}

.site-logo-img img {
  transition: all 0.2s linear;
}

.blog-post p img {
  max-width: 800px;
  text-align: center;
  margin: 50px auto;
  display: block;
  /* border:2px solid; */
  border-bottom: 15px solid #e97474;
  border-image: linear-gradient(0.25turn, #3f87a6, #ebf8e1, #f69d3c) 30;
  border-radius: 15px;
}

.blog-post {
  margin-bottom: 50px;
  background-color: #f9f9f9;
  padding: 50px;
}

.light {
  /* background: linear-gradient(to left,red, yellow, blue, orange); */
  background: radial-gradient(red 10px, yellow 30%, #1e90ff 50%);
}

figcaption {
  background-color: #222;
  color: #fff;
  font: italic smaller sans-serif;
  padding: 3px;
  text-align: center;
}

a:hover {
  text-decoration: none;
}

.section-bgcolor {
  background-color: #f9f9f9;
}

.full-img {
  position: relative;
}

.full-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

body a {
  color: #000000;
  text-decoration: none;
}

body a:hover {
  color: #a80808;
}

.brand {
  color: #a80808;
  font-size: x-large;
}

/* .card img{
    border-bottom: 5px solid #f8b9b9;
    border-image: linear-gradient(0.25turn, #3f87a6, #ebf8e1, #f69d3c) 1;
} */

.card-body {
  background-color: #f9f9f9;
  border-radius: 0 0 5px 5px;
}

.card-title {
  padding-bottom: 10px;
  border-bottom: 5px solid #f8b9b9;
  border-image: linear-gradient(0.25turn, #3f87a6, #ebf8e1, #f69d3c) 1;
}

/* h1, h2 {
    padding-left: 10px;
    border-left: 5px solid #3f87a6;
} */

:root {
  --primary-color: #2c3e50;
  --secondary-color: #3498db;
  --accent-color: #e74c3c;
  --light-bg: #f8f9fa;
  --dark-bg: #1a252f;
}

body {
  font-family: "Lato", sans-serif;
  color: #333;
  line-height: 1.6;
}

h1,
h2,
h3,
h4,
h5 {
  font-family: "Roboto Slab", serif;
  font-weight: 500;
}


/* new styles */
.bg-dark-custom {
  background-color: var(--dark-bg);
}

.text-primary-custom {
  color: var(--primary-color);
}

.bg-light-custom {
  background-color: var(--light-bg);
}

.shadow-custom {
  box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.1);
}

.profile-img {
  width: 200px;
  height: 250px;
  object-fit: cover;
  border: 5px solid white;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.section-title {
  position: relative;
  padding-bottom: 15px;
  margin-bottom: 30px;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 3px;
  background-color: var(--secondary-color);
}

.publication-item {
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid #eee;
}

.navbar {
  transition: all 0.3s ease;
}

.navbar-solid {
  background-color: var(--dark-bg) !important;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  padding: 10px 0;
}

.social-icon {
  font-size: 1.5rem;
  margin-right: 15px;
  color: #555;
  transition: color 0.3s;
}

.social-icon:hover {
  color: var(--secondary-color);
}

.skill-bar {
  height: 8px;
  background-color: #e9ecef;
  border-radius: 4px;
  margin-bottom: 15px;
  overflow: hidden;
}

.skill-progress {
  height: 100%;
  background-color: var(--secondary-color);
  border-radius: 4px;
}

.card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: none;
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 20px;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.tab-content {
  padding: 20px 0;
}

.nav-pills .nav-link.active {
  background-color: var(--secondary-color);
}

.nav-pills .nav-link {
  color: #555;
  margin-bottom: 5px;
}

footer a {
  color: #ddd;
  text-decoration: none;
}