:root {
  --bg-gradient-start: #eef2ff;
  --bg-gradient-mid: #f8fbff;
  --bg-gradient-end: #fde2ff;
  --card-bg: rgba(255, 255, 255, 0.9);
  --section-bg: rgba(250, 250, 255, 0.82);
  --text-color: #0f172a;
  --text-secondary: #4b5563;
  --accent-color: #2f4ab8;
  --accent-hover: #1e3b8a;
  --accent-contrast: #f472b6;
  --border-color: rgba(15, 23, 42, 0.12);
  --shadow-color: rgba(15, 23, 42, 0.08);
  --animation-offset: 8px;
  --transition-time: 0.35s;
}

*, *::before, *::after {
  box-sizing: border-box;
}

body {
  font-family: 'Inter', 'Merriweather', Georgia, 'Times New Roman', serif;
  font-weight: 300;
  line-height: 1.7;
  color: var(--text-color);
  min-height: 100vh;
  margin: 0;
  padding: clamp(1rem, 3vw, 3rem);
  display: flex;
  justify-content: center;
  background: radial-gradient(circle at 10% 20%, var(--bg-gradient-start), transparent 50%),
              radial-gradient(circle at 90% 10%, rgba(244, 114, 182, 0.35), transparent 55%),
              linear-gradient(135deg, var(--bg-gradient-mid), var(--bg-gradient-end));
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 0),
                    linear-gradient(0deg, rgba(255, 255, 255, 0.08) 1px, transparent 0);
  background-size: 60px 60px;
  opacity: 0.25;
  pointer-events: none;
  z-index: 0;
}

.site-container {
  width: min(100%, 960px);
  background: var(--card-bg);
  border-radius: 28px;
  padding: clamp(1.75rem, 5vw, 3rem);
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 25px 60px rgba(15, 23, 42, 0.15);
  backdrop-filter: blur(12px);
  position: relative;
  z-index: 1;
}

main {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

header {
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.header-content {
  flex: 1;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.25em;
  font-size: 0.75rem;
  margin-bottom: 0.75rem;
  color: var(--accent-hover);
}

.header-image {
  position: relative;
  flex-shrink: 0;
}

.header-image::after {
  content: '';
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-color), var(--accent-contrast));
  opacity: 0.6;
  filter: blur(25px);
  z-index: -1;
}

.header-image img {
  width: 140px;
  height: 140px;
  object-fit: cover;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, 0.85);
  box-shadow: 0 20px 35px rgba(15, 23, 42, 0.2);
  transition: transform var(--transition-time) ease, box-shadow var(--transition-time) ease;
}

.header-image img:hover {
  transform: scale(1.03);
  box-shadow: 0 30px 45px rgba(15, 23, 42, 0.25);
}

h1 {
  font-size: clamp(2.35rem, 5vw, 3rem);
  font-weight: 500;
  margin: 0 0 0.4rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0 0 1rem;
  color: var(--text-color);
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
}

h2::after {
  content: '';
  width: 55px;
  height: 3px;
  background: linear-gradient(120deg, var(--accent-color), var(--accent-contrast));
  border-radius: 999px;
}

p {
  margin: 0.5rem 0;
  color: var(--text-secondary);
}

.primary-nav {
  margin: 0 0 2rem;
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid var(--border-color);
  border-radius: 999px;
  padding: 0.35rem;
  box-shadow: 0 12px 25px rgba(15, 23, 42, 0.08);
}

.primary-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  justify-content: center;
}

.primary-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid transparent;
  transition: all var(--transition-time) ease;
}

.primary-nav a:hover {
  color: #fff;
  background: linear-gradient(120deg, var(--accent-color), var(--accent-contrast));
  border-color: transparent;
  transform: translateY(-2px);
}

.social-links-header {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin: 1rem 0 0;
}

.social-links-header a {
  text-decoration: none;
  color: var(--text-secondary);
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(47, 74, 184, 0.2);
  background: rgba(255, 255, 255, 0.6);
  font-weight: 400;
  transition: all var(--transition-time) ease;
}

.social-links-header a i {
  margin-right: 0.35rem;
}

.social-links-header a:hover {
  color: #fff;
  background: linear-gradient(120deg, var(--accent-color), var(--accent-contrast));
  border-color: transparent;
  transform: translateY(-2px);
}

section {
  scroll-margin-top: 1rem;
  background: var(--section-bg);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 20px;
  padding: clamp(1.25rem, 3vw, 1.75rem);
  box-shadow: 0 25px 60px rgba(15, 23, 42, 0.08);
  position: relative;
  overflow: hidden;
  animation: fadeIn 0.8s ease-out both;
}

section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(47, 74, 184, 0.08), transparent 55%);
  pointer-events: none;
}

section > * {
  position: relative;
  z-index: 1;
}

section:hover {
  transform: translateY(-2px);
}

.publications-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.toggle-publications {
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.45rem 1.5rem;
  font-weight: 500;
  color: var(--accent-color);
  background: rgba(47, 74, 184, 0.1);
  cursor: pointer;
  transition: all var(--transition-time) ease;
}

.toggle-publications:hover {
  background: linear-gradient(120deg, var(--accent-color), var(--accent-contrast));
  color: #fff;
  transform: translateY(-2px);
}

.publication-item {
  display: flex;
  gap: 1rem;
  padding: 1rem;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(47, 74, 184, 0.08);
  margin-bottom: 1rem;
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.08);
  transition: transform var(--transition-time) ease;
}

.publication-item:hover {
  transform: translateY(-4px);
}

.pub-thumbnail {
  width: 115px;
  height: 115px;
  flex-shrink: 0;
  border-radius: 14px;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(47, 74, 184, 0.4), rgba(244, 114, 182, 0.4));
  position: relative;
  cursor: pointer;
}

.pub-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-time) ease;
}

.pub-thumbnail:hover img {
  transform: scale(1.08);
}

.pub-content {
  flex: 1;
}

.pub-title {
  font-weight: 600;
  margin-bottom: 0.3rem;
  font-size: 1.05rem;
}

.pub-authors {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-bottom: 0.35rem;
}

.highlight-name {
  font-weight: 600;
  color: var(--accent-color);
}

.pub-venue-container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0.35rem;
  align-items: center;
}

.pub-venue {
  font-style: italic;
  color: var(--text-secondary);
}

.pub-award {
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(120deg, var(--accent-color), var(--accent-contrast));
  padding: 0.1rem 0.6rem;
  border-radius: 999px;
  box-shadow: 0 10px 20px rgba(244, 114, 182, 0.25);
}

.pub-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  font-size: 0.85rem;
}

.pub-links a {
  color: var(--accent-color);
  border: 1px solid rgba(47, 74, 184, 0.2);
  padding: 0.25rem 0.6rem;
  border-radius: 10px;
  background: rgba(47, 74, 184, 0.05);
  transition: all var(--transition-time) ease;
}

.pub-links a:hover {
  color: #fff;
  background: var(--accent-color);
  border-color: transparent;
}

.news-container {
  max-height: 220px;
  overflow-y: auto;
  padding-right: 0.5rem;
}

.news-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.news-list li {
  position: relative;
  padding: 0.6rem 0 0.6rem 1.5rem;
  border-left: 1px solid rgba(47, 74, 184, 0.25);
  color: var(--text-secondary);
  transition: all var(--transition-time) ease;
}

.news-list li::before {
  content: '';
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  left: -4px;
  top: 50%;
  transform: translate(-50%, -50%);
  border: 2px solid var(--accent-color);
  background: #fff;
}

.news-list li:hover {
  color: var(--accent-color);
  border-left-color: var(--accent-color);
}

.service-category, .misc-item {
  padding: 1rem 1.2rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(47, 74, 184, 0.08);
  box-shadow: 0 15px 30px rgba(15, 23, 42, 0.08);
  margin-bottom: 0.75rem;
  transition: transform var(--transition-time) ease;
}

.service-category:hover, .misc-item:hover {
  transform: translateY(-3px);
}

.service-title {
  font-weight: 600;
  color: var(--accent-color);
  margin-bottom: 0.35rem;
}

iframe {
  width: 100%;
  min-height: 480px;
  border: none;
  border-radius: 18px;
  box-shadow: inset 0 0 0 1px rgba(47, 74, 184, 0.1);
}

footer {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(15, 23, 42, 0.08);
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

a {
  color: var(--accent-color);
  text-decoration: none;
  transition: color var(--transition-time) ease;
}

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

strong {
  font-weight: 600;
  color: var(--accent-color);
}

/* Modal styles */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  inset: 0;
  background-color: rgba(8, 15, 40, 0.85);
  transition: opacity var(--transition-time);
  opacity: 0;
}

.modal.show {
  opacity: 1;
}

.modal-content {
  margin: auto;
  display: block;
  max-width: 85%;
  max-height: 85%;
  border-radius: 12px;
  box-shadow: 0 30px 70px rgba(8, 15, 40, 0.45);
  animation: zoom var(--transition-time) ease-out;
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 35px;
  color: #f1f1f1;
  font-size: 35px;
  font-weight: normal;
  cursor: pointer;
  transition: color var(--transition-time);
  opacity: 0.8;
}

.modal-close:hover {
  color: #fff;
  opacity: 1;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(var(--animation-offset));
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes zoom {
  from {
    transform: scale(0.9);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

@media (max-width: 768px) {
  body {
    padding: 1rem;
  }

  header {
    flex-direction: column-reverse;
    text-align: center;
  }

  .social-links-header {
    justify-content: center;
  }

  .primary-nav {
    border-radius: 18px;
  }

  .publication-item {
    flex-direction: column;
    align-items: center;
  }

  .pub-thumbnail {
    width: 100%;
    height: 180px;
  }

  iframe {
    min-height: 360px;
  }

  section::before {
    background: radial-gradient(circle at top, rgba(47, 74, 184, 0.08), transparent 60%);
  }
}