/* research: data-dense teal blue */
body.theme-research {
  --site-accent: #42b9d6;
  --site-accent-soft: #74d6ed;
  --site-accent-ink: #062f38;
}

body.theme-research .site-header {
  background: linear-gradient(90deg, rgba(5, 19, 28, 0.94), rgba(8, 31, 41, 0.82));
  border-bottom-color: rgba(84, 196, 221, 0.24);
}

body.theme-research .brand-link {
  color: #e8fbff;
}

body.theme-research .nav-link:hover,
body.theme-research .nav-btn:hover {
  background: rgba(96, 215, 242, 0.14);
  text-decoration: none;
}

body.theme-research .site-switcher-trigger {
  border-color: rgba(89, 199, 225, 0.28);
}

body.theme-research .site-switcher-item.is-current {
  background: rgba(89, 199, 225, 0.18);
}

:root[data-theme='light'] body.theme-research {
  --site-accent: #1686a1;
  --site-accent-soft: #2ea6c4;
  --site-accent-ink: #06303a;
}

:root[data-theme='light'] body.theme-research .site-header {
  background: linear-gradient(90deg, rgba(245, 252, 255, 0.96), rgba(232, 247, 250, 0.92));
  border-bottom-color: rgba(29, 138, 166, 0.22);
}

:root[data-theme='light'] body.theme-research .brand-link {
  color: #0a4c5b;
}