/* Theme 1: Minimal White
 * Ultra clean design with lots of white space, muted colors, elegant typography
 */

:root {
  --primary: #1a1a1a;
  --accent: #666;
  --amber: #e67e22;
  --amber-light: #f39c12;
  --amber-glow: rgba(230, 126, 34, 0.15);
  --text: #333;
  --text-light: #888;
  --bg: #fff;
  --bg-secondary: #fafafa;
  --border: #eee;
}

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

/* Amber text selection */
::selection {
  background: var(--amber-glow);
  color: var(--primary);
}

::-moz-selection {
  background: var(--amber-glow);
  color: var(--primary);
}

body {
  font-family: 'Georgia', 'Times New Roman', serif;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
  background-color: var(--bg);
  padding: 0;
  overflow-x: hidden;
}

/* Hide default nav elements */
.topnav {
  background: transparent;
  border-bottom: 1px solid var(--border);
  padding: 20px 40px;
  display: flex;
  gap: 40px;
}

.topnav a {
  color: var(--text-light);
  text-decoration: none;
  font-size: 14px;
  letter-spacing: 2px;
  text-transform: uppercase;
  transition: color 0.3s;
}

.topnav a:hover, .topnav a.active {
  color: var(--amber);
  background: transparent;
}

.fixed-nav {
  display: none;
}

/* Main Layout - Single column centered */
.wrapper {
  display: block;
  max-width: 1000px;
  margin: 0 auto;
  padding: 60px 40px;
}

/* Profile Section - Centered hero */
.profile-section {
  text-align: center;
  margin-bottom: 80px;
  padding: 0;
  background: transparent;
  box-shadow: none;
  position: relative;
}

.profile-picture {
  margin-bottom: 30px;
}

.profile-picture img {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  filter: grayscale(30%);
  transition: filter 0.3s;
}

.profile-picture img:hover {
  filter: grayscale(0%);
  box-shadow: 0 0 30px var(--amber-glow);
}

.profile-section h1 {
  font-size: 36px;
  font-weight: 400;
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 10px;
  position: relative;
  display: inline-block;
}

.profile-section h1::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--amber-light), var(--amber));
  border-radius: 2px;
}

.profile-section p {
  color: var(--text-light);
  font-size: 15px;
  margin-bottom: 5px;
}

.list-inline {
  margin-top: 30px;
  padding: 0;
  display: flex;
  justify-content: center;
  gap: 30px;
  list-style: none;
}

.list-inline li {
  margin: 0;
}

.social-icon {
  color: var(--text-light) !important;
  font-size: 20px !important;
  transition: color 0.3s;
}

.social-icon:hover {
  color: var(--amber) !important;
  transform: none;
}

/* Content Section */
.content-section {
  max-width: none;
}

/* Typography */
h1, h2 {
  font-weight: 400;
  letter-spacing: 2px;
}

h2, h2.award-heading {
  font-size: 24px;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--text-light) !important;
  margin-top: 60px;
  margin-bottom: 40px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--border);
  transition: color 0.3s;
}

h2:first-child {
  margin-top: 0;
}

h2 i, h2.award-heading i {
  color: var(--amber);
}

h3 {
  font-size: 18px;
  font-weight: 400;
}

p {
  text-align: left;
  margin-bottom: 20px;
  color: var(--text);
}

a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.3s;
}

a:hover {
  color: var(--amber);
}

/* About Section */
#about-me h1 {
  display: none;
}

#about-me p {
  font-size: 17px;
  line-height: 2;
  margin-bottom: 25px;
  max-width: 100%;
}

/* Projects Section */
#projects {
  margin: 60px 0;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.card {
  position: relative;
  background: var(--bg-secondary);
  padding: 30px;
  min-height: 280px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
  border: 1px solid var(--border);
  transition: border-color 0.3s;
}


.card:hover {
  border-color: var(--amber);
  box-shadow: 0 4px 20px var(--amber-glow);
}

.card img {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 80px;
  height: 80px;
  object-fit: contain;
  opacity: 0.85;
  transition: opacity 0.3s, transform 0.3s;
  z-index: 2;
}

.card:hover img {
  opacity: 1;
  transform: scale(1.05);
}

.card h3, .card p {
  position: relative;
  z-index: 2;
}

.card h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.card h3 a {
  color: var(--primary) !important;
  text-decoration: none;
}

.project-subtitle {
  font-size: 13px;
  font-weight: 400;
  color: var(--text-light) !important;
  font-style: italic;
  margin-bottom: 8px;
}

.project-description {
  font-size: 14px;
  color: var(--text);
  line-height: 1.7;
}

/* Publications Section */
#publications {
  margin: 60px 0;
}

.publication-list-compact {
  display: flex;
  flex-direction: column;
}

.publication-item-compact {
  padding: 12px 0;
}

.pub-title {
  font-size: 17px;
  margin-bottom: 4px;
}

.pub-title a {
  color: var(--primary);
  text-decoration: none;
}

.pub-title a:hover {
  text-decoration: underline;
  color: var(--amber);
}

.pub-authors {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 2px;
}

.pub-venue {
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 4px;
}

.pub-venue .badge {
  background: var(--amber);
  color: #fff;
  padding: 2px 8px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-left: 10px;
}

.pub-links {
  font-size: 13px;
}

.pub-links a {
  color: var(--text-light);
  margin-right: 15px;
  text-decoration: none;
  transition: color 0.3s;
}

.pub-links a:hover {
  color: var(--amber);
}

.pub-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0;
}

/* Awards Section */
#awards {
  margin: 60px 0;
}

#awards ul {
  list-style: none;
  padding: 0;
}

#awards li {
  padding: 15px 0;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
  transition: padding-left 0.3s, border-color 0.3s;
}

#awards li:hover {
  padding-left: 10px;
  border-bottom-color: var(--amber);
}

/* Experience & Service Tables */
table {
  width: 100%;
  margin: 30px 0;
  border-collapse: collapse;
  box-shadow: none !important;
}

thead {
  display: none;
}

tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background-color 0.3s;
}

tbody tr:hover {
  background-color: var(--amber-glow);
}

td {
  padding: 20px 15px;
  vertical-align: top;
  background: transparent !important;
}

td img {
  opacity: 0.7;
}

/* Education */
#education + h2 + table,
table:last-of-type {
  margin-top: 30px;
}

/* Footer */
footer {
  margin-top: 80px;
  padding-top: 40px;
  border-top: 2px solid transparent;
  border-image: linear-gradient(90deg, transparent, var(--amber), transparent) 1;
  text-align: center;
}

.contact-info {
  font-size: 14px;
  color: var(--text-light);
  line-height: 2;
}

.twitter-icon {
  color: var(--text-light) !important;
}

.map-marker-icon {
  color: var(--text-light);
}

h4 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--amber);
  margin-bottom: 20px;
}

/* Amber nickname highlight */
.profile-section center .font-weight-bold {
  color: var(--amber);
  font-style: italic;
}

/* Amber accent for project title colors */
.project-title-orange,
.project-title-blue,
.project-title-green {
  transition: color 0.3s !important;
}

.card:hover .project-title-orange,
.card:hover .project-title-blue,
.card:hover .project-title-green {
  color: var(--amber) !important;
}

/* Awards star icon */
#awards li strong {
  color: var(--primary);
}

/* Twitter icon hover */
.twitter-icon:hover {
  color: var(--amber) !important;
}

/* Section header accent on hover */
h2:hover, h2.award-heading:hover {
  color: var(--amber) !important;
}

/* Blog Page Styles */
.article-row {
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
  transition: padding-left 0.3s, border-color 0.3s;
}

.article-row:hover {
  padding-left: 10px;
  border-bottom-color: var(--amber);
}

.article-row .date {
  font-size: 13px;
  color: var(--text-light);
  margin-right: 10px;
}

.article-row h3 {
  display: inline;
  font-size: 16px;
}

.article-row h3 a {
  text-decoration: none;
  color: var(--primary);
}

.article-row h3 a:hover {
  color: var(--amber);
}

/* Blog Tags */
.tag {
  display: inline-block;
  padding: 2px 8px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: 3px;
  margin-left: 8px;
  vertical-align: middle;
}

.tag.research {
  background: #d35400;
  color: #fff;
}

.tag.article {
  background: #f5b041;
  color: #1a1a1a;
}

.tag.tutorial {
  background: var(--amber-glow);
  color: var(--amber);
  border: 1px solid var(--amber);
}

/* Responsive */
@media (max-width: 768px) {
  .wrapper {
    padding: 40px 20px;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .profile-section h1 {
    font-size: 28px;
  }
}