:root {
  --bg: #edf5fc;
  --bg-alt: #e2eef8;
  --card: #fdfeff;
  --text: #2d2640;
  --text-soft: #5c5470;
  --primary: #2a1f3d;
  --accent: #9575c8;
  --accent-dark: #6b4aa3;
  --line: #d5e4f2;
  --shadow: 0 10px 28px rgba(45, 95, 150, 0.08);
  --shadow-hover: 0 14px 36px rgba(45, 95, 150, 0.11);
  --tint: rgba(80, 140, 210, 0.1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Manrope", "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.72;
  background: radial-gradient(1200px 600px at 10% -10%, rgba(130, 185, 245, 0.32), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(170, 210, 250, 0.42), transparent 50%), var(--bg);
  min-height: 100vh;
}

h1,
h2,
h3 {
  font-family: "Libre Baskerville", Georgia, serif;
  line-height: 1.2;
  color: var(--primary);
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(70, 130, 190, 0.14);
  backdrop-filter: blur(10px);
  background: rgba(252, 253, 255, 0.9);
}

.nav {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0.9rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  text-decoration: none;
  font-family: "Libre Baskerville", Georgia, serif;
  font-size: 1.18rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 0.42rem;
}

.logo-badge {
  width: 1.36rem;
  height: 1.36rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: linear-gradient(135deg, #e8f2fc, #f8fbff);
  border: 1px solid #c5daf0;
  color: var(--accent-dark);
  font-size: 0.68rem;
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(45, 95, 150, 0.12);
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.nav-logo:hover .logo-badge {
  background: #e0ecf8;
  transform: translateY(-1px) scale(1.04);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-soft);
  font-size: 0.95rem;
  font-weight: 600;
  transition: color 0.2s ease, transform 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.34rem;
  position: relative;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: var(--accent-dark);
  border-radius: 1px;
  transition: width 0.25s ease;
}

.nav-links a:hover {
  color: var(--accent-dark);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-links a i {
  font-size: 0.84rem;
  color: var(--accent-dark);
  opacity: 0.95;
}

.page-shell {
  max-width: 1120px;
  margin: 0 auto;
  padding: 1.7rem 1.25rem 3.5rem;
}

.page-grid {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 1.1rem;
  align-items: start;
}

.profile-panel,
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 1rem;
  box-shadow: var(--shadow);
}

.profile-panel {
  position: sticky;
  top: 5.2rem;
  padding: 1.4rem 1.2rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.profile-panel:hover {
  box-shadow: var(--shadow-hover);
}

.avatar-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 0.9rem;
}

.avatar-photo {
  width: 116px;
  height: 116px;
  border-radius: 1.35rem;
  object-fit: cover;
  object-position: center 15%;
  border: 1px solid var(--line);
  box-shadow: 0 10px 26px rgba(45, 95, 150, 0.16);
}

.profile-panel h1 {
  margin: 0;
  text-align: center;
  font-size: 1.95rem;
  color: var(--primary);
}

.profile-email {
  text-align: center;
  margin: 0.35rem 0 0.5rem;
  font-size: 0.82rem;
  line-height: 1.45;
  word-break: break-all;
}

.profile-email a {
  color: var(--accent-dark);
  text-decoration: none;
  font-weight: 600;
}

.profile-email a:hover {
  color: var(--accent);
  text-decoration: underline;
}

.profile-phone {
  margin-top: 0.75rem !important;
  font-size: 0.9rem;
}

.profile-phone i {
  color: var(--accent-dark);
  margin-right: 0.35rem;
}

.role {
  text-align: center;
  margin: 0.4rem 0 0;
  color: var(--accent-dark);
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.affiliation,
.unit {
  text-align: center;
  margin: 0.2rem 0 0;
  color: var(--text-soft);
  font-size: 0.97rem;
}

.unit {
  margin-bottom: 1rem;
}

.profile-links {
  list-style: none;
  margin: 0.3rem 0 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.55rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.profile-links li {
  display: inline-flex;
  padding: 0.55rem 0;
}

.profile-links .meta-link {
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-soft);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: 999px;
  transition: color 0.2s ease;
}

.profile-links .meta-link i {
  color: var(--accent-dark);
  font-size: 1rem;
  width: 1rem;
  text-align: center;
}

.profile-links .meta-link:hover {
  color: var(--accent-dark);
  background: var(--tint);
}

.content-panel {
  display: grid;
  gap: 1rem;
}

.card {
  padding: 1.25rem 1.3rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.about-research {
  margin: 1rem 0 0.25rem;
  padding: 0.85rem 1rem;
  border-radius: 0.65rem;
  border: 1px solid var(--line);
  background: var(--bg-alt);
}

.about-research-label {
  margin: 0 0 0.55rem;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-dark);
  font-family: "Manrope", sans-serif;
}

.research-list {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--text-soft);
  font-size: 0.98rem;
}

.research-list li {
  margin: 0.45rem 0;
  padding-left: 0.15rem;
}

.research-list li::marker {
  color: var(--accent-dark);
}

.research-accent {
  color: var(--accent-dark);
  font-weight: 700;
}

.mentor-note {
  margin-top: 0.65rem;
}

.prior-degree {
  margin-top: 0.7rem;
}

@media (prefers-reduced-motion: reduce) {
  .card:hover,
  .profile-panel:hover {
    transform: none;
  }

  .nav-links a::after {
    transition: none;
  }
}

.card h2 {
  margin: 0 0 0.55rem;
  font-size: clamp(1.3rem, 2.4vw, 1.65rem);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.card h2 i {
  color: var(--accent-dark);
  font-size: 0.94rem;
  opacity: 0.95;
}

.card p {
  margin: 0.45rem 0 0;
  color: var(--text-soft);
  font-size: 1rem;
}

.card strong {
  color: var(--primary);
}

.advisor-link {
  color: var(--accent-dark);
  text-decoration: none;
  font-weight: 700;
}

.advisor-link:hover {
  color: var(--accent);
}

.news-list {
  display: grid;
  gap: 0.65rem;
}

.news-item {
  display: grid;
  grid-template-columns: 94px minmax(0, 1fr);
  gap: 0.6rem;
}

.news-item time {
  color: var(--accent-dark);
  font-weight: 700;
  font-size: 0.87rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding-top: 0.12rem;
}

.news-item p {
  margin: 0;
}

.exp-list {
  display: grid;
  gap: 0.85rem;
}

.exp-item {
  border-left: 3px solid var(--accent-dark);
  padding-left: 0.85rem;
}

.exp-item h3 {
  margin: 0;
  font-size: 1.05rem;
  font-family: "Manrope", sans-serif;
}

.exp-meta {
  margin: 0.25rem 0 0;
  font-size: 0.92rem;
  color: var(--accent-dark);
  font-weight: 600;
}

.exp-item p {
  margin: 0.35rem 0 0;
  font-size: 0.98rem;
}

.subhead {
  margin: 1rem 0 0.5rem;
  font-size: 1.05rem;
  font-family: "Libre Baskerville", Georgia, serif;
  color: var(--primary);
}

.section-subhead {
  margin-top: 1rem;
}

.pub-list {
  display: grid;
  gap: 0.75rem;
}

.pub-item {
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  padding: 0.8rem 0.9rem;
  background: rgba(255, 255, 255, 0.72);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.pub-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(45, 95, 150, 0.09);
}

.pub-item h3 {
  margin: 0;
  font-size: 1.02rem;
  font-family: "Manrope", sans-serif;
  font-weight: 700;
  line-height: 1.45;
}

.pub-meta,
.pub-venue {
  margin-top: 0.3rem;
  color: var(--text-soft);
  font-size: 0.95rem;
}

.pub-actions {
  margin-top: 0.45rem;
  margin-bottom: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.pub-actions a {
  color: var(--accent-dark);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9rem;
}

.pub-actions a:hover {
  color: var(--primary);
}

.tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent-dark);
  background: rgba(90, 150, 220, 0.12);
  border: 1px solid rgba(90, 150, 220, 0.32);
  padding: 0.15rem 0.45rem;
  border-radius: 0.35rem;
  margin-right: 0.35rem;
}

.skills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.5rem;
}

.skill-pill {
  font-size: 0.88rem;
  padding: 0.25rem 0.55rem;
  border-radius: 0.45rem;
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid var(--line);
  color: var(--text-soft);
}

.site-footer {
  text-align: center;
  color: var(--text-soft);
  font-size: 0.88rem;
  padding: 1.25rem 1rem 2.4rem;
}

.site-footer .footer-link {
  color: var(--accent-dark);
  font-weight: 700;
  text-decoration: none;
}

.site-footer .footer-link:hover {
  color: var(--accent);
  text-decoration: underline;
}

@media (max-width: 980px) {
  .page-grid {
    grid-template-columns: 1fr;
  }

  .profile-panel {
    position: static;
  }
}

@media (max-width: 680px) {
  .nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.4rem;
  }

  .card,
  .profile-panel {
    padding: 1rem;
  }

  .news-item {
    grid-template-columns: 1fr;
    gap: 0.2rem;
  }
}