:root {
  color-scheme: dark;
  --background: #101715;
  --foreground: #edf0e9;
  --body: #b8c1ba;
  --muted: #99aaa0;
  --accent: #acc6b6;
  --line: #35443d;
  --serif: Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --page-width: 1160px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 2rem; }
body { margin: 0; background: var(--background); color: var(--foreground); font-family: var(--sans); font-size: 1rem; line-height: 1.65; -webkit-font-smoothing: antialiased; }
::selection { color: var(--background); background: #c6d9ca; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .3em; }
a:hover { color: #d4e7d9; }
a:focus-visible { outline: 2px solid #d4e7d9; outline-offset: 6px; border-radius: 1px; }
p, h1, h2, h3, dl, dd { margin: 0; }
h1, h2, h3 { font-weight: 400; }
em { color: var(--accent); font-weight: 400; }
.site-header, main, .site-footer { width: min(calc(100% - 96px), var(--page-width)); margin-inline: auto; }
.skip-link { position: absolute; left: 1.5rem; top: -5rem; padding: .6rem 1rem; background: var(--foreground); color: var(--background); z-index: 10; }
.skip-link:focus { top: 1rem; }
.site-header { min-height: 100px; display: flex; align-items: center; justify-content: space-between; gap: 2rem; border-bottom: 1px solid var(--line); }
.brand { font-family: var(--sans); font-size: 1.15rem; font-weight: 650; letter-spacing: .16em; text-decoration: none; white-space: nowrap; }
nav { display: flex; flex-wrap: wrap; gap: 2.1rem; }
nav a { display: inline-flex; min-height: 44px; align-items: center; color: var(--body); font-size: .9rem; text-decoration: none; }
nav a:hover { text-decoration: underline; }
.eyebrow { font: .75rem/1.6 var(--mono); color: var(--muted); letter-spacing: .085em; text-transform: uppercase; }
.hero { display: grid; grid-template-columns: minmax(0, 1fr) 285px; gap: clamp(3rem, 6vw, 6rem); align-items: center; padding: 6rem 0 5.5rem; }
h1 { margin-top: 1.65rem; font-family: var(--serif); font-size: clamp(2.8rem, 4.9vw, 4.5rem); line-height: 1.1; letter-spacing: -.035em; }
.hero-intro { max-width: 37rem; margin-top: 1.85rem; color: #d2d9d2; font-size: 1.2rem; line-height: 1.65; }
.hero-description { max-width: 36rem; margin-top: .85rem; color: var(--body); }
.text-link { display: inline-flex; align-items: center; min-height: 44px; font-size: .925rem; color: var(--accent); }
.hero-links { margin-top: 1.5rem; display: flex; flex-wrap: wrap; align-items: center; gap: .4rem 2.5rem; }
.researchers-inline { color: var(--muted); font-size: .875rem; }
.researchers-inline a { display: inline-flex; min-height: 44px; align-items: center; text-decoration: none; }
.researchers-inline a:hover { text-decoration: underline; }
.researchers-inline > span { margin-inline: .4rem; color: var(--line); }
.research-note { border-left: 1px solid var(--line); padding-left: 1.8rem; }
.research-note .eyebrow { line-height: 1.8; max-width: 15rem; }
.research-note h2 { margin: 1.05rem 0; font-family: var(--serif); font-size: 1.7rem; line-height: 1.25; }
.research-note > p:not(.eyebrow) { color: var(--body); font-size: 1rem; line-height: 1.75; }
.research-note .text-link { margin-top: 1rem; }
.section { border-top: 1px solid var(--line); padding: 4.2rem 0 4.7rem; }
.section-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 3rem; margin-bottom: 2.5rem; }
.section h2, .contact h2 { font-family: var(--serif); font-size: clamp(2rem, 3.1vw, 2.8rem); line-height: 1.2; letter-spacing: -.02em; }
.section-heading h2, .contact h2 { margin-top: .65rem; }
.section-intro { max-width: 25rem; color: var(--body); font-size: 1rem; }
.paper { display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 2.6rem; padding: 2.2rem 0 2.5rem; border-top: 1px solid var(--line); }
.paper:last-child { padding-bottom: 0; }
.paper-meta { display: flex; flex-direction: column; align-items: flex-start; gap: .6rem; padding-top: .3rem; color: var(--muted); font: .875rem/1.6 var(--mono); }
.paper-year { font: 1.15rem/1.5 var(--serif); color: var(--foreground); margin-bottom: .15rem; }
.paper-type { border: 1px solid var(--line); padding: .1rem .5rem; font: .875rem/1.65 var(--sans); color: var(--body); }
.paper h3 { max-width: 53rem; font-family: var(--serif); font-size: clamp(1.4rem, 2.1vw, 1.8rem); line-height: 1.32; letter-spacing: -.01em; }
.paper h3 a { text-decoration: none; }
.paper h3 a:hover { text-decoration: underline; }
.authors { margin-top: .75rem; color: var(--accent); font-size: .92rem; }
.authors a { text-decoration: none; }
.authors a:hover { text-decoration: underline; }
.paper-summary { color: var(--body); margin-top: 1rem; max-width: 49rem; line-height: 1.75; }
.paper-bottom { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: .65rem 2rem; margin-top: 1.05rem; }
.paper-id { color: var(--muted); font: .875rem/1.6 var(--mono); }
.paper-links { display: flex; gap: 1.5rem; }
.paper-links a { display: inline-flex; align-items: center; min-height: 44px; color: var(--accent); font-size: .9rem; }
.research-list { border-top: 1px solid var(--line); }
.research-item { display: grid; grid-template-columns: 44px minmax(180px, .68fr) minmax(0, 1.32fr); gap: 1.7rem; padding: 2rem 0; border-bottom: 1px solid var(--line); }
.research-item:last-child { padding-bottom: 0; border: 0; }
.item-number { padding-top: .2rem; color: var(--muted); font: .875rem/1.8 var(--mono); }
.research-item h3 { font-family: var(--serif); font-size: 1.4rem; line-height: 1.35; }
.research-question { font-weight: 500; line-height: 1.55; }
.research-question + p { margin-top: .6rem; color: var(--body); font-size: 1rem; line-height: 1.75; }
.people .section-intro { max-width: 32rem; }
.people-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4rem; }
.person { display: flex; flex-direction: column; align-items: flex-start; min-width: 0; border-top: 1px solid var(--line); padding-top: 1.8rem; scroll-margin-top: 2rem; }
.person-role { color: var(--muted); font-size: .875rem; }
.person h3 { margin-top: .75rem; font: 2.3rem/1.2 var(--serif); letter-spacing: -.02em; }
.affiliation { margin-top: .4rem; color: var(--accent); font-size: 1rem; }
.person-note { max-width: 28rem; color: var(--body); font-size: .95rem; margin-top: 1rem; }
.person-links { padding-top: 1.45rem; margin-top: auto; width: 100%; }
.person-links > div { display: flex; gap: 1rem; align-items: baseline; }
.person-links dt { flex: 0 0 3.4rem; color: var(--muted); font: .75rem/1.6 var(--mono); letter-spacing: .035em; text-transform: uppercase; }
.person-links dd { min-width: 0; }
.person-links a { display: inline-flex; min-height: 44px; align-items: center; color: #c9d7cc; font-size: .925rem; overflow-wrap: anywhere; }
.contact { padding: 3.5rem 0; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 2rem; align-items: center; }
.contact p:last-child { margin-top: .8rem; color: var(--body); font-size: 1rem; }
.contact-link { color: var(--accent); font-family: var(--serif); font-size: clamp(1.3rem, 2.3vw, 1.75rem); white-space: nowrap; }
.site-footer { display: flex; align-items: center; gap: 1.4rem; padding: 1.8rem 0 2.5rem; border-top: 1px solid var(--line); }
.site-footer .brand { font-size: .875rem; }
.site-footer span { color: var(--muted); font-size: .875rem; }
.back-top { margin-left: auto; display: inline-flex; min-height: 44px; align-items: center; color: var(--body); font-size: .875rem; }
@media (max-width: 1050px) {
  .hero { grid-template-columns: minmax(0, 1fr) 250px; gap: 2.8rem; }
  h1 { font-size: clamp(2.8rem, 5vw, 3.6rem); }
  .research-note { padding-left: 1.3rem; }
  .people-grid { gap: 2.8rem; }
}
@media (max-width: 800px) {
  .site-header, main, .site-footer { width: calc(100% - 48px); }
  .site-header { min-height: 90px; gap: 1rem; }
  nav { gap: 1.2rem; }
  .hero { padding: 3.8rem 0; grid-template-columns: 1fr; gap: 2.7rem; }
  h1 { font-size: clamp(2.65rem, 6.5vw, 3.6rem); }
  .research-note { max-width: 38rem; padding-left: 1.5rem; }
  .research-note .eyebrow { max-width: none; }
  .research-note h2 { max-width: 30rem; font-size: 1.65rem; }
  .section { padding: 3.4rem 0 3.8rem; }
  .section-heading { gap: 1rem; align-items: flex-start; flex-direction: column; margin-bottom: 1.8rem; }
  .section-intro { max-width: 36rem; }
  .paper { grid-template-columns: 110px minmax(0, 1fr); gap: 1.3rem; }
  .research-item { grid-template-columns: 28px 1fr; gap: .9rem 1.2rem; }
  .research-item > div { grid-column: 2; }
  .people-grid { gap: 2rem; }
  .contact { align-items: flex-start; flex-direction: column; gap: 1.5rem; }
}
@media (max-width: 540px) {
  .site-header, main, .site-footer { width: calc(100% - 40px); }
  .site-header { padding: 1.4rem 0 .5rem; flex-direction: column; align-items: flex-start; gap: .65rem; }
  nav { width: 100%; gap: .3rem 1.35rem; }
  nav a { font-size: .875rem; }
  .hero { padding-top: 2.7rem; gap: 2.2rem; }
  h1 { margin-top: 1.2rem; font-size: clamp(2.05rem, 8.8vw, 2.9rem); }
  .hero-intro { font-size: 1.1rem; margin-top: 1.3rem; }
  .hero-description { font-size: 1rem; }
  .research-note h2 { font-size: 1.55rem; }
  .paper { grid-template-columns: 1fr; gap: .9rem; padding-block: 1.6rem 2rem; }
  .paper-meta { flex-direction: row; flex-wrap: wrap; gap: .5rem .85rem; align-items: center; }
  .paper-year { margin: 0; font-size: 1rem; }
  .paper h3 { font-size: 1.45rem; }
  .paper-bottom { flex-direction: column; align-items: flex-start; gap: .25rem; }
  .people-grid { grid-template-columns: 1fr; gap: 2.2rem; }
  .site-footer { flex-wrap: wrap; gap: .1rem 1.1rem; }
  .site-footer span { width: 100%; order: 3; }
  .contact-link { white-space: normal; overflow-wrap: anywhere; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}