:root {
  color-scheme: light;
  --paper: #faf9f6;
  --ink: #172c41;
  --muted: #4c5963;
  --line: #dcdedb;
  --accent: #254d6b;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 17px/1.75 Arial, Helvetica, sans-serif; }
a { color: var(--accent); text-underline-offset: 4px; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible, summary:focus-visible { outline: 3px solid #477b9b; outline-offset: 5px; border-radius: 2px; }
.container { width: min(1040px, calc(100% - 80px)); margin-inline: auto; }
.skip-link { position: absolute; top: -100px; left: 20px; z-index: 10; padding: 10px 18px; background: var(--ink); color: white; }
.skip-link:focus { top: 10px; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding-block: 24px; border-bottom: 1px solid var(--line); }
.brand { font: 26px/1.2 Georgia, 'Times New Roman', serif; color: var(--ink); text-decoration: none; white-space: nowrap; }
.site-nav { display: flex; flex-wrap: wrap; gap: 28px; }
.site-nav a { display: inline-block; color: var(--ink); font-size: 14px; padding-block: 10px; text-decoration: none; border-bottom: 2px solid transparent; }
.site-nav a[aria-current='page'], .site-nav a:hover { border-bottom-color: var(--ink); }
h1, h2 { font-family: Georgia, 'Times New Roman', serif; font-weight: 400; line-height: 1.2; }
h1 { margin: 0 0 22px; font-size: clamp(42px, 6vw, 64px); letter-spacing: -1.5px; }
h2 { font-size: 32px; margin: 0 0 24px; letter-spacing: -.5px; }
h3 { font-size: 19px; font-weight: 500; line-height: 1.5; margin: 0 0 9px; }
p { margin: 0 0 20px; }
.eyebrow { font-size: 12px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--muted); margin-bottom: 20px; }
.hero { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); align-items: center; gap: 70px; padding-block: 64px; }
.role { margin-bottom: 22px; font-size: 17px; }
.intro { font-size: 20px; line-height: 1.7; color: var(--muted); max-width: 550px; }
.portrait { width: 100%; max-width: 300px; height: auto; border-radius: 4px; justify-self: end; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 28px; }
.button { display: inline-flex; justify-content: center; align-items: center; padding: 11px 19px; min-height: 46px; border: 1px solid #9ba8b0; border-radius: 3px; font-size: 14px; color: var(--ink); text-decoration: none; }
.button:hover { background: #eeefec; text-decoration: none; }
.button-primary { background: var(--ink); border-color: var(--ink); color: #fff; }
.button-primary:hover { background: #28465e; border-color: #28465e; }
.content-section { padding-block: 40px; border-top: 1px solid var(--line); }
.section-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; margin-bottom: 26px; }
.section-heading h2 { margin: 0; }
.section-heading > a { font-size: 14px; white-space: nowrap; }
.prose { max-width: 740px; color: var(--muted); }
.prose p:last-child { margin-bottom: 0; }
.paper-list { list-style: none; margin: 0; padding: 0; }
.paper { margin-bottom: 30px; padding-bottom: 30px; border-bottom: 1px solid var(--line); }
.paper:last-child { border-bottom: 0; padding-bottom: 0; margin-bottom: 0; }
.paper h3 a { color: var(--ink); text-decoration: none; }
.paper h3 a:hover { text-decoration: underline; }
.paper-meta { color: var(--muted); font-size: 15px; line-height: 1.8; margin: 0; }
.paper-meta .award { display: inline-block; margin-block: 6px; padding: 2px 9px; background: #e8ece7; color: #314c3e; font-size: 13px; }
.paper-meta .status { font-weight: 600; }
.page-intro { max-width: 760px; padding-top: 56px; padding-bottom: 34px; }
.page-intro h1 { font-size: clamp(38px, 6vw, 50px); }
.page-intro p { color: var(--muted); }
.page-intro p:last-child { margin: 0; }
.research-section { max-width: 880px; padding-bottom: 42px; }
.research-section + .research-section { border-top: 1px solid var(--line); padding-top: 34px; }
.dataset { padding: 32px 0; max-width: 850px; border-top: 1px solid var(--line); }
.dataset h2 { font-size: 27px; }
.dataset p { color: var(--muted); font-size: 15px; }
.dataset .actions { margin-top: 22px; }
.cv-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 55px; padding-block: 36px 55px; border-top: 1px solid var(--line); }
.detail-list { list-style: none; padding: 0; margin: 0; }
.detail-list li { margin-bottom: 22px; }
.detail-list strong { display: block; font-size: 17px; font-weight: 500; }
.detail-list span { display: block; color: var(--muted); font-size: 15px; }
.site-footer { margin-top: 24px; padding-block: 25px 30px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 18px 30px; font-size: 13px; color: var(--muted); }
.footer-links { display: flex; flex-wrap: wrap; gap: 20px; }
.site-footer a { color: inherit; }
.copyright { width: 100%; font-size: 12px; margin: 0; }
/* Extend the existing academic layout with capability and application sections. */
section[id] { scroll-margin-top: 24px; }
.hero > div { min-width: 0; }
.credential { font-size: .52em; letter-spacing: -.5px; white-space: nowrap; }
.expertise-line { font-size: 14px; font-weight: 600; color: var(--accent); margin-bottom: 18px; }
.expertise-line span { padding-inline: 3px; }
.hero .intro { font-size: 18px; }
.hero-cv { font-size: 14px; margin: 17px 0 0; }
.expertise-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 30px; margin-top: 32px; }
.expertise-area { min-width: 0; border-top: 2px solid var(--accent); padding-top: 18px; }
.expertise-area h3 { font-size: 18px; }
.expertise-area p { margin: 0; font-size: 15px; color: var(--muted); }
.research-applications { margin-top: 40px; }
.applications-heading { font: 400 25px/1.3 Georgia, 'Times New Roman', serif; }
.applications-intro { font-size: 15px; color: var(--muted); margin-bottom: 24px; }
.application { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: 32px; padding-block: 24px; border-top: 1px solid var(--line); }
.application h4 { font-size: 17px; font-weight: 500; line-height: 1.5; margin: 0; }
.application-status { font-size: 12px; color: var(--muted); margin-bottom: 5px; }
.application > p { margin: 0; color: var(--muted); font-size: 15px; }
.application:last-child { padding-bottom: 0; }
.inquiries-section h2 { max-width: 740px; }
.inquiry-email { margin-top: 24px; }
@media (min-width: 721px) and (max-width: 900px) {
  .site-header { flex-wrap: wrap; gap: 12px 30px; }
  .hero { gap: 36px; }
  .expertise-grid { gap: 20px; }
}
@media (max-width: 720px) {
  .container { width: calc(100% - 40px); }
  .site-header { flex-direction: column; align-items: flex-start; gap: 10px; padding-block: 22px 12px; }
  .site-nav { gap: 25px; }
  .site-nav { column-gap: 22px; row-gap: 0; }
  .site-nav a { min-height: 44px; }
  .expertise-grid { grid-template-columns: 1fr; gap: 24px; }
  .application { grid-template-columns: 1fr; gap: 12px; }
  .expertise-line { max-width: 400px; }
  .hero { grid-template-columns: 1fr; gap: 30px; padding-block: 35px 42px; }
  .portrait { grid-row: 1; justify-self: start; width: 160px; }
  .intro { font-size: 18px; }
  h1 { font-size: 46px; }
  h2 { font-size: 28px; }
  .section-heading { flex-wrap: wrap; gap: 12px; }
  .page-intro { padding-top: 36px; }
  .cv-grid { grid-template-columns: 1fr; gap: 25px; }
  .content-section { padding-block: 32px; }
  .footer-links a { display: inline-block; padding-block: 6px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }


/* Native disclosure controls separate published abstracts from working-paper summaries. */
.paper-abstract { margin-top: 12px; }
.paper-abstract summary { width: fit-content; max-width: 100%; min-height: 44px; padding-block: 8px; color: var(--accent); font-size: 14px; cursor: pointer; text-decoration: underline; text-underline-offset: 4px; }
.paper-abstract[open] summary { margin-bottom: 6px; }
.abstract-content { max-width: 760px; padding: 16px 18px; background: #f0f1ed; border-left: 2px solid var(--line); color: var(--muted); }
.abstract-content p { font-size: 15px; line-height: 1.75; margin: 0 0 14px; }
.abstract-content p:last-child { margin-bottom: 0; }
.abstract-content .abstract-source { font-size: 13px; }