@font-face {
  font-family: "Source Serif 4";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/source-serif-4-regular.ttf") format("truetype");
}
:root {
  color-scheme: light dark;
  /* Official Duke Navy #012169 and Royal #00539B, with Duke neutral colors.
     In dark mode, reverse light text onto Navy to preserve contrast.
     Source: https://brand.duke.edu/colors/ */
  --paper: light-dark(#ffffff, #012169);
  --ink: light-dark(#262626, #ffffff);
  --muted: light-dark(#666666, #e2e6ed);
  --accent: light-dark(#012169, #ffffff);
  --line: light-dark(#e2e6ed, #00539b);
  --soft: light-dark(#f3f2f1, #00539b);
  --paper-hover: light-dark(#f3f2f1, #00539b);
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --header-offset: 104px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
}
* { box-sizing: border-box; }
html { scroll-padding-top: var(--header-offset); }
body { margin: 0; color: var(--ink); background: var(--paper); }
a { color: var(--accent); text-decoration: none; text-underline-offset: .2em; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
button { font: inherit; cursor: pointer; }
img { max-width: 100%; height: auto; }
p { margin: 0 0 1rem; }
.skip-link { position: absolute; top: -8rem; left: 1rem; background: var(--paper); padding: .5rem 1rem; z-index: 10; }
.skip-link:focus { top: 1rem; }
.site-header { position: sticky; top: 0; z-index: 5; background: var(--paper); border-bottom: 1px solid var(--line); }
.header-inner { width: min(1200px, calc(100% - 80px)); min-height: 72px; margin: 0 auto; display: grid; grid-template-columns: 1fr auto auto; align-items: center; column-gap: 28px; }
.site-brand { font-family: var(--serif); font-size: 1.1875rem; color: var(--accent); letter-spacing: -.02em; }
.site-layout { width: min(1200px, calc(100% - 80px)); margin: 48px auto 32px; display: grid; grid-template-columns: 244px minmax(0, 1fr); gap: clamp(48px, 6vw, 88px); align-items: start; }
.profile { position: sticky; top: var(--header-offset); align-self: start; text-align: center; }
.portrait-link { display: block; width: 200px; max-width: 100%; margin: 0 auto 23px; }
.portrait { display: block; width: 100%; height: auto; aspect-ratio: 4 / 5; object-fit: cover; object-position: 50% 50%; border-radius: 6px; }
.profile-name { font-family: var(--serif); font-size: 2.125rem; font-weight: 400; letter-spacing: -.035em; line-height: 1.2; }
.alias { color: var(--muted); font-size: .875rem; margin: .4rem 0 1.4rem; }
.affiliation { font-size: .9375rem; line-height: 1.7; margin: 0 0 .8rem; }
.email { font-size: .875rem; overflow-wrap: anywhere; }
.social-links { display: flex; flex-wrap: wrap; justify-content: center; gap: .4rem; margin: 1rem 0 1.5rem; }
.social-icon { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border-radius: 50%; }
.social-icon svg { width: 21px; height: 21px; fill: currentColor; }
.social-icon:hover, .social-icon:focus-visible { background: var(--soft); }
.site-nav { display: flex; align-items: center; gap: 25px; }
.site-nav a { padding: .4rem 0; font-size: .875rem; color: var(--muted); border-bottom: 1px solid transparent; }
.site-nav a:hover { color: var(--accent); text-decoration: none; }
.site-nav a[aria-current] { color: var(--accent); border-bottom-color: var(--accent); }
.theme-toggle { display: grid; place-items: center; width: 40px; height: 40px; padding: 0; border: none; border-radius: 50%; background: transparent; color: var(--accent); }
.theme-toggle[hidden] { display: none; }
.theme-toggle:hover { background: var(--soft); }
.theme-toggle svg { grid-area: 1 / 1; }
.theme-sun { display: none; }
html[data-theme="dark"] .theme-moon { display: none; }
html[data-theme="dark"] .theme-sun { display: block; }
.reading-column { min-width: 0; }
h1, h2 { font-family: var(--serif); color: var(--accent); font-weight: 400; line-height: 1.25; letter-spacing: -.025em; }
h1 { font-size: 2rem; margin: 0 0 1.3rem; }
h2 { font-size: 1.75rem; margin: 0 0 1.2rem; }
h3 { margin: 0 0 .6rem; font-size: 1.0625rem; line-height: 1.5; font-weight: 600; }
.section { margin-top: 2.8rem; }
.section:first-child { margin-top: 0; }
.about { max-width: 78ch; }
.section-heading { display: flex; gap: 1rem; align-items: baseline; justify-content: space-between; flex-wrap: wrap; }
.section-heading h1, .section-heading h2 { margin-bottom: 0; }
.section-heading > a, .equal-contribution { font-size: .8125rem; }
.equal-contribution { color: var(--muted); }
.paper-list { list-style: none; padding: 0; margin: 1.1rem 0 0; }
.paper { margin: 0 -16px .4rem; padding: 14px 16px; border-radius: 5px; transition: background-color 160ms ease; }
.paper:focus-within { background: var(--paper-hover); }
.paper:focus-within .paper-title a { text-decoration: underline; text-decoration-thickness: 1px; }
@media (hover: hover) {
  .paper:hover { background: var(--paper-hover); }
  .paper:hover .paper-title a { text-decoration: underline; text-decoration-thickness: 1px; }
}
@media (prefers-reduced-motion: reduce) { .paper { transition: none; } }
.paper-title { font-size: 1rem; font-weight: 600; line-height: 1.5; margin: 0 0 .3rem; }
.authors { font-size: .875rem; color: var(--muted); line-height: 1.6; margin: 0 0 .25rem; }
.authors strong { color: var(--ink); font-weight: 600; }
.paper-meta { display: flex; flex-wrap: wrap; align-items: baseline; gap: .35rem 1.25rem; font-size: .8125rem; margin-top: .5rem; }
.venue { display: inline-flex; flex-wrap: wrap; align-items: baseline; gap: .45rem; font-style: normal; }
.venue-name { color: var(--accent); font-weight: 600; }
.paper-resource { display: inline-flex; align-items: baseline; gap: .2rem; white-space: nowrap; }
.resource-arrow { font-size: .8em; }
.plain-list { padding-left: 1.2rem; margin: 1rem 0 0; }
.plain-list li { padding-left: .15rem; margin-bottom: .7rem; }
.experience { margin-bottom: 2.5rem; }
.experience-meta { display: flex; flex-wrap: wrap; gap: .25rem 1.25rem; color: var(--muted); font-size: .875rem; margin-bottom: .45rem; }
.experience > h2 { margin-bottom: .5rem; font-size: 1.5rem; }
.research-project { margin-top: 1.4rem; }
.research-project h3 { font-size: 1rem; margin-bottom: .75rem; }
.research-project .plain-list { margin-top: 0; }
.period { color: var(--muted); font-size: .875rem; margin-bottom: .35rem; }
.mentor { display: flex; flex-wrap: wrap; gap: .25rem 1.25rem; margin-bottom: .6rem; font-size: .9375rem; }
.experience ul { font-size: .9375rem; }
.muted { color: var(--muted); }
.document-link { display: inline-block; border-bottom: 1px solid var(--accent); padding-bottom: .15rem; font-size: 1rem; }
.document-link:hover { text-decoration: none; }
.document-actions { display: flex; flex-wrap: wrap; align-items: baseline; gap: 1rem; }
.cv-preview { width: 100%; height: 780px; border: 1px solid var(--line); margin-top: 1.5rem; background: var(--soft); }
.site-footer { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; border-top: 1px solid var(--line); margin-top: 3.5rem; padding-top: 1rem; color: var(--muted); font-size: .8125rem; }
@media (max-width: 900px) {
  .header-inner { width: calc(100% - 48px); column-gap: 20px; }
  .site-nav { gap: 18px; }
  .site-layout { width: calc(100% - 48px); grid-template-columns: 200px minmax(0, 1fr); gap: 36px; margin-top: 40px; }
  .portrait-link { width: 176px; }
}
@media (max-width: 720px) {
  :root { --header-offset: 126px; }
  .header-inner { width: calc(100% - 40px); grid-template-columns: 1fr auto; row-gap: 2px; column-gap: 12px; padding: 8px 0 5px; }
  .site-brand { grid-column: 1; grid-row: 1; }
  .theme-toggle { grid-column: 2; grid-row: 1; }
  .site-layout { display: block; width: calc(100% - 40px); margin: 28px auto; }
  .profile { position: static; margin-bottom: 2.25rem; }
  .portrait-link { width: 160px; }
  .portrait-link { margin-bottom: 1rem; }
  .alias { margin-bottom: .75rem; }
  .affiliation { margin-bottom: .5rem; }
  .social-links { margin: .75rem 0 1rem; }
  .site-nav { grid-column: 1 / -1; grid-row: 2; flex-wrap: wrap; justify-content: space-between; gap: 4px 10px; }
  .site-nav a { font-size: .8125rem; }
  h1 { font-size: 1.75rem; }
  .section { margin-top: 2.2rem; }
  .cv-preview { display: none; }
}
@media (min-width: 721px) and (max-height: 800px) {
  .portrait-link { width: 148px; }
  .portrait-link { margin-bottom: 16px; }
  .alias { margin-bottom: .75rem; }
  .social-links { margin: .75rem 0 1rem; }
}
/* Short or zoomed viewports must still allow access to every profile link. */
@media (max-height: 640px) { .profile { position: static; } }
@media (pointer: coarse) {
  .site-nav a, .social-links a, .theme-toggle, .paper-meta a { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; }
}
@media print {
  :root { color-scheme: light; }
  .site-layout { width: 100%; margin: 0; display: block; }
  .profile, .site-header, .site-footer, .theme-toggle, .skip-link, .cv-preview { display: none; }
  .paper { break-inside: avoid; background: transparent; }
  a { color: inherit; }
}