:root {
  color-scheme: light;
  --green: #123e32;
  --green-dark: #0c2d24;
  --green-light: #dae9dd;
  --text: #263a33;
  --muted: #607068;
  --rule: #dce4df;
  --white: #fff;
  --serif: Georgia, 'Times New Roman', serif;
  --sans: 'Segoe UI', -apple-system, BlinkMacSystemFont, Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; color: var(--text); background: var(--white);
  font-family: var(--sans); font-size: 17px; line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--green); text-underline-offset: 4px; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible { outline: 2px solid var(--green); outline-offset: 6px; border-radius: 1px; }
::selection { color: var(--green-dark); background: var(--green-light); }
.skip-link {
  position: fixed; z-index: 10; top: 10px; left: 10px; padding: 10px 18px;
  color: var(--green); background: var(--white); transform: translateY(-180%);
}
.skip-link:focus { transform: translateY(0); }
.site-shell { display: grid; grid-template-columns: 280px minmax(0, 1fr); min-height: 100vh; }
.sidebar {
  position: sticky; top: 0; display: flex; flex-direction: column; align-items: flex-start;
  height: 100vh; height: 100svh; min-height: 560px; padding: 56px 38px 36px;
  color: var(--white); background: var(--green);
}
.identity {
  color: var(--white); font-family: var(--serif); font-size: 36px; font-weight: 400;
  line-height: 1.17; letter-spacing: -1.1px; text-decoration: none;
}
.identity-dot { color: #c7ddc7; }
.identity:hover { text-decoration: none; }
.affiliation { margin: 22px 0 0; color: #d1e0d8; font-size: 14px; line-height: 1.7; }
.navigation { display: flex; flex-direction: column; gap: 5px; width: 100%; margin-top: 60px; }
.navigation a {
  display: flex; align-items: center; gap: 13px; width: fit-content; padding: 9px 0;
  color: #d1e0d8; font-size: 16px; text-decoration: none;
}
.navigation a::before { content: ''; width: 19px; height: 1px; background: #94b2a2; transition: width 160ms ease; }
.navigation a:hover, .navigation a[aria-current='page'] { color: var(--white); }
.navigation a[aria-current='page'] { font-weight: 600; }
.navigation a[aria-current='page']::before { width: 30px; height: 2px; background: var(--white); }
.sidebar a:focus-visible { outline-color: var(--white); }
.sidebar-bottom { width: 100%; margin-top: auto; padding-top: 40px; }
.sidebar-interests { margin: 0 0 22px; color: #d1e0d8; font-size: 13px; line-height: 1.75; }
.sidebar-profile {
  display: flex; justify-content: space-between; align-items: center; padding-top: 17px;
  border-top: 1px solid #547969; color: var(--white); font-size: 13px; text-decoration: none;
}
.sidebar-profile:hover { text-decoration: underline; }
.main-column { display: flex; flex-direction: column; width: 100%; max-width: 1120px; min-width: 0; margin-inline: auto; }
.main-content { flex: 1; width: 100%; padding: 65px 80px 60px; }
.main-content:focus { outline: none; }
.eyebrow {
  margin: 0 0 34px; color: var(--muted); font-size: 12px; font-weight: 600;
  letter-spacing: 2px; line-height: 1.5; text-transform: uppercase;
}
h1, h2, p { margin-top: 0; }
h1 {
  margin-bottom: 19px; color: var(--green); font-family: var(--serif);
  font-size: clamp(38px, 4.5vw, 62px); font-weight: 400;
  line-height: 1.14; letter-spacing: -2px; text-wrap: balance;
}
.subtitle { margin: 0; color: var(--green); font-family: var(--serif); font-size: 24px; line-height: 1.5; }
.page-intro { max-width: 610px; margin: 20px 0 0; color: var(--muted); font-size: 18px; line-height: 1.75; }
.introduction { max-width: 690px; margin-top: 43px; }
.introduction p { margin-bottom: 20px; }
.introduction .lead { color: var(--green); font-size: 21px; line-height: 1.7; }
.explore { max-width: 690px; margin-top: 47px; }
.section-label {
  margin: 0 0 15px; color: var(--muted); font-family: var(--sans);
  font-size: 12px; font-weight: 600; letter-spacing: 1.6px; line-height: 1.5; text-transform: uppercase;
}
.explore-link {
  display: flex; justify-content: space-between; align-items: center; gap: 20px;
  padding: 19px 0 21px; border-top: 1px solid var(--rule); text-decoration: none;
}
.explore-link:last-child { border-bottom: 1px solid var(--rule); }
.link-title { display: block; color: var(--green); font-family: var(--serif); font-size: 26px; line-height: 1.4; }
.link-description { display: block; margin-top: 3px; color: var(--muted); font-size: 14px; line-height: 1.6; }
.arrow { flex: 0 0 auto; color: var(--green); font-size: 26px; line-height: 1; transition: transform 160ms ease; }
.explore-link:hover .link-title { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 4px; }
.explore-link:hover .arrow { transform: translate(2px, -2px); }
.research-areas { max-width: 730px; margin-top: 45px; border-bottom: 1px solid var(--rule); }
.research-area {
  display: grid; grid-template-columns: 38px minmax(0, 1fr); gap: 22px;
  padding: 27px 0 29px; border-top: 1px solid var(--rule);
}
.area-number { padding-top: 5px; color: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums; letter-spacing: 1px; }
.research-area h2 {
  margin: 0 0 9px; color: var(--green); font-family: var(--serif); font-size: 29px;
  font-weight: 400; line-height: 1.3; letter-spacing: -.4px;
}
.research-area p { max-width: 570px; margin: 0; font-size: 16px; line-height: 1.8; }
.closing-note { max-width: 730px; margin-top: 33px; color: var(--muted); font-size: 14px; }
.closing-note p { margin: 0; }
.empty-state {
  max-width: 730px; margin-top: 45px; padding: 38px 0 42px;
  border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule);
}
.empty-mark { display: block; margin-bottom: 18px; color: var(--green); font-family: var(--serif); font-size: 30px; line-height: 1; }
.empty-state h2 { margin: 0 0 10px; color: var(--green); font-family: var(--serif); font-size: 29px; font-weight: 400; line-height: 1.35; }
.empty-state p { max-width: 440px; margin: 0; color: var(--muted); font-size: 16px; }
.site-footer {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 6px 24px;
  margin: 0 80px; padding: 22px 0 26px; border-top: 1px solid var(--rule);
  color: var(--muted); font-size: 12px; line-height: 1.8;
}
.site-footer a { color: var(--muted); overflow-wrap: anywhere; }
@media (min-width: 1500px) {
  .site-shell { grid-template-columns: 310px minmax(0, 1fr); }
  .sidebar { padding-inline: 48px; }
  .main-content { padding-top: 82px; }
}
@media (max-width: 1100px) {
  .site-shell { grid-template-columns: 250px minmax(0, 1fr); }
  .sidebar { padding-inline: 30px; }
  .main-content { padding: 54px 45px 50px; }
  .site-footer { margin-inline: 45px; }
  .identity { font-size: 33px; }
}
@media (max-width: 760px) {
  .site-shell { display: block; }
  .sidebar { position: static; display: block; height: auto; min-height: 0; padding: 27px 28px 18px; }
  .identity { display: inline-block; font-size: 30px; letter-spacing: -.7px; line-height: 1.12; }
  .affiliation { margin-top: 13px; font-size: 12px; line-height: 1.55; }
  .navigation { flex-direction: row; flex-wrap: wrap; gap: 29px; margin-top: 23px; }
  .navigation a { display: block; padding: 5px 0 8px; border-bottom: 2px solid transparent; font-size: 15px; line-height: 1.5; }
  .navigation a::before { display: none; }
  .navigation a[aria-current='page'] { border-bottom-color: var(--white); }
  .sidebar-bottom { display: none; }
  .main-content { padding: 35px 28px 45px; }
  .eyebrow { margin-bottom: 23px; font-size: 11px; letter-spacing: 1.6px; }
  h1 { font-size: 43px; line-height: 1.12; letter-spacing: -1.4px; }
  .subtitle { font-size: 21px; line-height: 1.45; }
  .introduction { margin-top: 29px; }
  .introduction .lead { font-size: 19px; line-height: 1.7; }
  .introduction p { font-size: 16px; }
  .page-intro { font-size: 17px; }
  .explore { margin-top: 34px; }
  .link-description { font-size: 13px; }
  .research-areas, .empty-state { margin-top: 33px; }
  .research-area { grid-template-columns: 23px minmax(0, 1fr); gap: 14px; padding-block: 24px; }
  .research-area h2 { font-size: 26px; }
  .research-area p { font-size: 15px; }
  .empty-state h2 { font-size: 27px; }
  .closing-note { overflow-wrap: anywhere; }
  .site-footer { margin-inline: 28px; padding-block: 20px 24px; font-size: 11px; }
}
@media (max-width: 350px) {
  .sidebar { padding-inline: 22px; }
  .main-content { padding-inline: 22px; }
  h1 { font-size: 37px; }
  .navigation { gap: 24px; }
  .site-footer { margin-inline: 22px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}
