:root {
  --tl-accent: #0b5c80;
  --tl-accent-strong: #084560;
  --tl-text-soft: #4d5964;
  --tl-surface: #f4f7fa;
  --tl-surface-2: #eef3f7;
  --tl-border: #d9e1e8;
  --tl-shadow: 0 10px 28px rgba(16, 24, 40, 0.07);
}

html[data-theme="dark"] {
  --tl-accent: #74b7db;
  --tl-accent-strong: #92c5e3;
  --tl-text-soft: #b8c3cd;
  --tl-surface: #111820;
  --tl-surface-2: #16212b;
  --tl-border: #2a3a49;
  --tl-shadow: 0 10px 28px rgba(0, 0, 0, 0.28);
}

.bd-page-width {
  max-width: 1440px;
}

.bd-main .bd-content .bd-article-container {
  max-width: 1100px;
}

.bd-main .bd-content .bd-article-container,
.bd-main .bd-content .bd-content__inner {
  padding-left: 0.85rem;
  padding-right: 0.85rem;
}

.bd-header .navbar {
  border-bottom: 1px solid var(--tl-border);
  backdrop-filter: blur(10px);
}

.bd-header .navbar-nav > .nav-link,
.bd-header .navbar-nav li.nav-item > .nav-link {
  font-weight: 500;
}

h1, h2, h3, h4 {
  letter-spacing: -0.02em;
}

p, li {
  line-height: 1.68;
}

.hero {
  margin: 0.45rem 0 1.8rem;
  padding: 1.85rem 1.85rem 1.45rem;
  border: 1px solid var(--tl-border);
  border-radius: 20px;
  background: var(--tl-surface);
  box-shadow: var(--tl-shadow);
}

.hero-main {
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(280px, 0.95fr);
  gap: 1.25rem;
  align-items: start;
}

.eyebrow,
.card-kicker {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  color: var(--tl-accent);
  font-weight: 700;
  margin-bottom: 0.55rem;
}

.hero h1 {
  font-size: 2.7rem;
  line-height: 1.04;
  margin: 0 0 0.75rem;
}

.lead {
  font-size: 1.08rem;
  color: var(--tl-text-soft);
  max-width: 56rem;
}

.profile-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.7rem;
  margin: 1.1rem 0 0.95rem;
}

.profile-strip > div {
  padding: 0.82rem 0.95rem;
  border-left: 3px solid var(--tl-accent);
  background: var(--tl-surface-2);
  border-radius: 10px;
}

.strip-label {
  display: block;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--tl-accent);
  margin-bottom: 0.18rem;
}

.strip-value {
  display: block;
}

.hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1rem 0 0.75rem;
}

.button-primary,
.button-secondary {
  display: inline-block;
  padding: 0.72rem 1rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
}

.button-primary {
  background: var(--tl-accent);
  color: white !important;
}

.button-primary:hover {
  background: var(--tl-accent-strong);
}

.button-secondary {
  border: 1px solid var(--tl-border);
  color: inherit !important;
  background: transparent;
}

.hero-meta {
  color: var(--tl-text-soft);
  font-size: 0.96rem;
  margin-top: 0.75rem;
}

.hero-summary {
  padding: 1.15rem 1.2rem 0.95rem;
  border: 1px solid var(--tl-border);
  border-radius: 16px;
  background: var(--tl-surface-2);
}

.hero-summary h2 {
  font-size: 1.12rem;
  margin-top: 0;
  margin-bottom: 0.6rem;
}

.hero-summary ul {
  margin: 0;
  padding-left: 1.15rem;
}

.card-grid.three-up,
.research-overview-grid,
.contribution-grid,
.direction-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 1rem 0 1.35rem;
}

.card-grid.two-up {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin: 1rem 0 1.35rem;
}

.info-card,
.contribution-card {
  border: 1px solid var(--tl-border);
  border-radius: 16px;
  background: var(--tl-surface);
  box-shadow: var(--tl-shadow);
  padding: 1.08rem 1.08rem 0.92rem;
}

.info-card {
  text-decoration: none !important;
  color: inherit !important;
}

.info-card h3,
.contribution-card h3 {
  margin-top: 0;
  margin-bottom: 0.42rem;
}

.info-card p,
.contribution-card p,
.small-ref {
  color: var(--tl-text-soft);
}

.direction-card,
.project-card {
  position: relative;
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}

.direction-card:hover,
.project-card:hover,
.info-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(16, 24, 40, 0.1);
}

html[data-theme="dark"] .direction-card:hover,
html[data-theme="dark"] .project-card:hover,
html[data-theme="dark"] .info-card:hover {
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.35);
}

.direction-tag {
  margin-top: 0.7rem;
  margin-bottom: 0;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--tl-accent) !important;
}

.section-note {
  margin: 0.4rem 0 1.8rem;
  padding: 0.95rem 1.05rem;
  border-left: 3px solid var(--tl-accent);
  background: var(--tl-surface-2);
  border-radius: 10px;
}

.section-note p {
  margin: 0;
  color: var(--tl-text-soft);
}

table.docutils {
  border-radius: 14px;
  overflow: hidden;
}

.bd-content img {
  max-width: 100%;
}

@media (max-width: 960px) {
  .hero-main,
  .card-grid.three-up,
  .research-overview-grid,
  .contribution-grid,
  .direction-grid,
  .card-grid.two-up {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 2.25rem;
  }
}

@media (max-width: 640px) {
  .hero {
    padding: 1.25rem 0.95rem 1rem;
  }

  .button-primary,
  .button-secondary {
    width: 100%;
    text-align: center;
  }

  .hero-links {
    flex-direction: column;
  }

  .bd-main .bd-content .bd-article-container,
  .bd-main .bd-content .bd-content__inner {
    padding-left: 0.35rem;
    padding-right: 0.35rem;
  }
}


/* Remove unused logo spacing and favor a cleaner personal-site navbar */
.navbar-brand,
.navbar-brand-box {
  display: none !important;
}

.bd-sidebar-primary {
  display: none !important;
}

.bd-page-width,
.bd-main .bd-content .bd-article-container {
  max-width: 1180px;
}

.bd-main .bd-content {
  max-width: 100%;
}

.umbrella-block {
  margin: 0.75rem 0 1.7rem;
}

.umbrella-intro {
  margin-bottom: 0.9rem;
  padding: 0.95rem 1.05rem;
  border-left: 3px solid var(--tl-accent);
  background: var(--tl-surface-2);
  border-radius: 10px;
}

.umbrella-intro h3 {
  margin: 0 0 0.3rem;
  font-size: 1.08rem;
}

.umbrella-intro p {
  margin: 0;
  color: var(--tl-text-soft);
}

.simple-project-grid {
  margin-top: 0.85rem;
}

.simple-project-card {
  padding: 1rem 1.05rem 0.9rem;
}

.simple-project-card h4 {
  margin: 0 0 0.38rem;
  font-size: 1rem;
}

.simple-project-card p {
  margin-bottom: 0;
}

@media (min-width: 961px) {
  .bd-main .bd-content .bd-article-container {
    padding-left: 0.65rem;
    padding-right: 0.65rem;
  }
}

.home-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem 1.25rem;
  margin-top: 0.75rem;
}

.home-links a {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--pst-color-border);
  text-decoration: none;
  color: inherit;
  transition: opacity 0.18s ease;
}

.home-links a:hover {
  opacity: 0.8;
  text-decoration: none;
}

.home-links strong {
  font-size: 1rem;
  font-weight: 600;
  color: var(--pst-color-text-base);
}

.home-links span {
  font-size: 0.94rem;
  line-height: 1.5;
  color: var(--pst-color-text-muted);
}

html[data-theme="dark"] .home-links strong {
  color: var(--pst-color-text-base);
}

html[data-theme="dark"] .home-links span {
  color: var(--pst-color-text-muted);
}

@media (max-width: 900px) {
  .home-links {
    grid-template-columns: 1fr;
  }
}