:root {
  color-scheme: light;
  --paper: #f6f8fb;
  --ink: #162b43;
  --muted: #536470;
  --accent: #225db0;
  --accent-dark: #0c417e;
  --line: #e0e7ef;
  --soft: #edf3fa;
  --serif: "Literata", Georgia, serif;
  --sans: "Source Sans 3", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
.icon-defs { position: absolute; width: 0; height: 0; overflow: hidden; }
.icon { display: inline-block; width: 1.15rem; height: 1.15rem; flex: 0 0 auto; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; vertical-align: -.15em; }
html { scroll-behavior: smooth; scroll-padding-top: 7rem; }
body { margin: 0; color: var(--ink); background: var(--paper); font: 1.0625rem/1.65 var(--sans); }
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: .2em; }
a:hover { color: var(--accent-dark); }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; border-radius: 2px; }
img { display: block; max-width: 100%; height: auto; }
p { margin: 0 0 1rem; }
.container { width: min(1160px, calc(100% - 6rem)); margin-inline: auto; }
.skip-link { position: fixed; top: -6rem; left: 1rem; z-index: 100; padding: .7rem 1rem; background: var(--ink); color: white; }
.skip-link:focus { top: 1rem; color: white; }
.site-header { border-bottom: 1px solid var(--line); background: rgba(255, 255, 255, .97); position: sticky; top: 0; z-index: 10; }
.header-row { display: flex; justify-content: space-between; align-items: center; gap: 2rem; min-height: 80px; }
.brand { display: flex; align-items: center; gap: .8rem; color: var(--ink); text-decoration: none; }
.brand strong { display: block; font-weight: 600; font-size: 1.1875rem; letter-spacing: -.02em; line-height: 1.4; }
.brand-copy > span { display: block; font-size: .875rem; color: var(--muted); }
.brand-mark { display: grid; place-items: center; width: 42px; height: 42px; flex-shrink: 0; border-radius: 12px; background: #182f4b; color: #fff; font: 600 1.3rem/1 var(--serif); letter-spacing: -.08em; padding-right: .1em; }
.site-nav ul { list-style: none; display: flex; gap: .5rem; padding: 0; margin: 0; }
.site-nav a { display: flex; align-items: center; gap: .5rem; padding: .5rem .9rem; border-radius: 6px; text-decoration: none; color: var(--ink); font-size: 1rem; }
.site-nav .icon { color: #647b94; width: 1rem; height: 1rem; }
.site-nav a:hover { color: var(--accent); background: var(--soft); }
.hero { display: grid; grid-template-columns: minmax(0, 1fr) 270px; gap: clamp(2rem, 5vw, 4rem); align-items: center; padding: 3.5rem; margin-block: 2.5rem 3rem; background: #f3f3f0; color: #303537; border: 1px solid #e1e2dc; border-radius: 24px; box-shadow: 0 12px 32px #252d3408; }
.hero .eyebrow { color: #606a6c; font-size: .8125rem; letter-spacing: .1em; }
.hero h1 { color: #292e30; }
.hero .role { color: #454e52; }
.hero .role a { color: #315b72; }
.hero .bio { color: #5b6468; }
.hero .intro { color: #363e42; }
.hero a:focus-visible { outline-color: #315b72; }
.eyebrow { font-size: .875rem; font-weight: 600; letter-spacing: .11em; text-transform: uppercase; color: var(--muted); }
h1 { font: 600 clamp(3rem, 5.2vw, 4.4rem)/1.18 var(--serif); letter-spacing: -.055em; margin: 1rem 0 1.25rem; }
.role { font-size: 1.125rem; line-height: 1.6; margin-bottom: 1.8rem; }
.role a { text-decoration: none; }
.role a:hover { text-decoration: underline; }
.affiliation { display: flex; align-items: center; gap: 1rem; margin-top: .65rem; }
.nvidia-logo { width: 62px; height: auto; flex: 0 0 62px; }
.affiliation > span { min-width: 0; }
.intro { font-size: 1.25rem; line-height: 1.55; letter-spacing: -.015em; max-width: 38rem; }
.bio { color: var(--muted); max-width: 36rem; }
.link-row { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem; margin-top: 1.6rem; }
.profile-link { display: inline-flex; align-items: center; gap: .5rem; min-height: 44px; padding: .5rem 1rem; border: 1px solid #d3d7d6; border-radius: 8px; background: #ffffff; color: #3f535e; text-decoration: none; font-size: 1rem; font-weight: 600; transition: background-color .18s, border-color .18s; }
.profile-link:hover { border-color: #83979e; background: #f9fbfa; color: #263e4a; }
.primary-link { background: #344b57; color: #ffffff; border-color: #344b57; }
.primary-link:hover { background: #253b47; color: #ffffff; border-color: #253b47; }
.portrait { margin: 0; padding: .6rem; background: #ffffff; border: 1px solid #e1e3df; border-radius: 18px; box-shadow: 0 6px 20px #252d3409; }
.portrait img { width: 100%; border-radius: 11px; }
.portrait figcaption { display: flex; align-items: center; justify-content: center; gap: .4rem; color: #5b6468; font-size: .875rem; padding: .9rem .2rem .3rem; text-align: center; }
.portrait figcaption .icon { width: .95rem; height: .95rem; color: #60747e; }
.research-layout { display: grid; grid-template-columns: 185px minmax(0, 1fr); gap: 2.5rem; padding-top: .5rem; }
.section-index { align-self: start; position: sticky; top: 8rem; }
.section-index .eyebrow { margin: .5rem 0 1rem; font-size: .8125rem; letter-spacing: .08em; }
.section-index nav { display: grid; gap: .3rem; }
.section-index a { display: flex; align-items: center; gap: .65rem; padding: .65rem .7rem; color: var(--muted); border-radius: 8px; text-decoration: none; font-size: 1rem; }
.section-index .icon { color: #6b819b; width: 1.05rem; height: 1.05rem; }
.section-index a:hover, .section-index a:focus-visible { color: var(--accent-dark); background: #e6eef8; }
.archive-heading { margin-bottom: 1.75rem; }
.archive-heading h2 { display: flex; align-items: center; gap: .85rem; font: 600 clamp(2rem, 3vw, 2.6rem)/1.25 var(--serif); letter-spacing: -.04em; margin: 0 0 .85rem; }
.heading-icon { display: inline-flex; align-items: center; justify-content: center; width: 2.8rem; height: 2.8rem; flex-shrink: 0; color: #23539c; background: #e3ecfa; border: 1px solid #d6e3f5; border-radius: 12px; }
.heading-icon .icon { width: 1.4rem; height: 1.4rem; }
.archive-heading p:last-child { color: var(--muted); max-width: 40rem; margin: 0; }
.publication-section { --category-color: #355fa7; --category-bg: #eaf0fc; margin-bottom: 1.75rem; background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 0; box-shadow: 0 3px 12px #1e375005; }
#preprints { --category-color: #276e74; --category-bg: #e8f4f2; }
#conferences { --category-color: #6b5797; --category-bg: #f0ecf8; }
#patents { --category-color: #86632b; --category-bg: #faf2e3; }
#presentations { --category-color: #9c4c65; --category-bg: #faedf1; }
.publication-section:target { border-color: #9ab4d4; }
.publication-section summary h3 { flex: 1; min-width: 0; margin: 0; font-size: 1.1875rem; font-weight: 600; letter-spacing: -.02em; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.publication-section > summary { display: flex; align-items: center; gap: 1rem; padding: 1.2rem 1.75rem; cursor: pointer; list-style: none; border-radius: 14px; }
.publication-section > summary::-webkit-details-marker { display: none; }
.publication-section > summary:hover { background: #f8fafc; }
.publication-section > summary:focus-visible { outline: 3px solid var(--category-color); outline-offset: 3px; }
.publication-section[open] > summary { border-bottom: 1px solid var(--line); border-radius: 14px 14px 0 0; }
.publication-body { padding: 0 1.75rem .5rem; }
.disclosure-icon { position: relative; width: 1rem; height: 1rem; flex: 0 0 1rem; color: var(--muted); }
.disclosure-icon::before, .disclosure-icon::after { content: ""; position: absolute; background: currentColor; border-radius: 1px; }
.disclosure-icon::before { width: 12px; height: 2px; left: 2px; top: 7px; }
.disclosure-icon::after { width: 2px; height: 12px; left: 7px; top: 2px; }
.publication-section[open] .disclosure-icon::after { display: none; }
.section-label { display: flex; align-items: center; gap: .7rem; }
.category-icon { width: 2.2rem; height: 2.2rem; display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; color: var(--category-color); background: var(--category-bg); border-radius: 8px; }
.section-count { font: 600 .8125rem/1 var(--sans); color: var(--category-color); background: var(--category-bg); padding: .4rem .6rem; border-radius: 6px; font-variant-numeric: tabular-nums; }
.pub-list { list-style: none; padding: 0; margin: 0; }
.pub-list > li { position: relative; padding: 1.35rem 0; border-bottom: 1px solid #e9eef4; overflow-wrap: anywhere; }
.pub-list > li::before { content: ""; position: absolute; top: 1.35rem; bottom: 1.35rem; left: -.9rem; width: 2px; background: var(--category-color); opacity: 0; transition: opacity .15s; }
.pub-list > li:hover::before, .pub-list > li:focus-within::before { opacity: 1; }
.pub-list > li:last-child { border-bottom: 0; }
.pub-title { font-size: 1.1875rem; line-height: 1.4; font-weight: 600; margin: 0 0 .5rem; letter-spacing: -.015em; }
.pub-title a { text-decoration: none; color: var(--ink); }
.pub-title a:hover { color: var(--accent); text-decoration: underline; }
.pub-authors { font-size: 1rem; line-height: 1.55; color: var(--muted); margin: 0 0 .35rem; }
.pub-authors strong { color: var(--ink); font-weight: 600; }
.pub-list .meta { color: var(--category-color); font-size: .9375rem; margin: .55rem 0 0; }
.pub-resources { margin: .45rem 0 0; font-size: .9375rem; }
.subsection-title { font-size: 1rem; font-weight: 600; color: var(--muted); margin: 1.5rem 0 0; }
.education { border-top: 1px solid var(--line); margin-top: 1.5rem; padding-block: 2.5rem 3rem; display: grid; grid-template-columns: 185px minmax(0, 1fr); gap: 2.5rem; }
.education h2 { font: 600 1.5rem/1.4 var(--serif); margin: 0; letter-spacing: -.03em; }
.education h2 .heading-icon { display: flex; margin-bottom: .85rem; }
.list-tight { padding: 0; margin: 0; list-style: none; display: grid; gap: 1.5rem; }
.list-tight > li { position: relative; padding: 0 0 .3rem 1.5rem; border-left: 1px solid #ccd9e9; }
.list-tight > li::before { content: ""; position: absolute; width: 7px; height: 7px; top: .5rem; left: -4px; border-radius: 50%; background: #547cae; box-shadow: 0 0 0 4px var(--paper); }
.education-date { color: #5f748a; font-size: .875rem; font-variant-numeric: tabular-nums; }
.list-tight h3 { font: 600 1.125rem/1.5 var(--sans); margin: .2rem 0; }
.list-tight p { margin: 0 0 .35rem; }
.small { color: var(--muted); font-size: .9375rem; }
.site-footer { border-top: 1px solid var(--line); background: var(--soft); padding-block: 1.8rem; color: var(--muted); font-size: .9375rem; }
.footer-row { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; }
.footer-row p { margin: 0; }
.footer-row a { text-decoration: none; }
.footer-dot { padding-inline: .6rem; }

@media (max-width: 1000px) {
  .container { width: calc(100% - 4rem); }
  .hero { grid-template-columns: minmax(0, 1fr) 215px; gap: 2rem; padding: 2.5rem; }
  .hero .eyebrow { max-width: 24rem; }
  .research-layout, .education { grid-template-columns: 155px minmax(0, 1fr); gap: 2.5rem; }
}
@media (max-width: 760px) {
  html { scroll-padding-top: 2rem; }
  .container { width: calc(100% - 2.5rem); }
  .site-header { position: static; }
  .header-row { min-height: 80px; gap: .5rem 1rem; flex-wrap: wrap; padding-block: .8rem; }
  .brand-copy > span { display: none; }
  .site-nav ul { gap: .2rem; }
  .site-nav a { font-size: .9375rem; }
  .hero { grid-template-columns: minmax(0, 1fr) 150px; align-items: start; padding: 1.5rem; margin-block: 1.5rem 2rem; gap: 1.5rem; }
  .hero-copy { display: contents; }
  .hero .eyebrow { grid-column: 1 / -1; margin: 0; }
  .hero h1 { grid-column: 1; margin: 0; font-size: clamp(2.7rem, 7vw, 4rem); align-self: end; }
  .hero .role { grid-column: 1; margin: 0; }
  .hero .portrait { grid-column: 2; grid-row: 2 / 4; }
  .hero .intro, .hero .bio, .hero .link-row { grid-column: 1 / -1; margin: 0; }
  .hero .bio { margin-top: -.7rem; }
  .research-layout { display: block; padding-top: 0; }
  .section-index { position: static; margin-bottom: 1.5rem; }
  .section-index .eyebrow { display: none; }
  .section-index nav { display: flex; flex-wrap: wrap; gap: .4rem; border: 0; padding: 0; }
  .section-index a { background: #fff; border: 1px solid var(--line); padding: .45rem .7rem; font-size: .9375rem; }
  .archive-heading { margin-bottom: 2rem; }
  .education { grid-template-columns: 1fr; gap: 1.5rem; padding-block: 2.5rem; }
  .publication-section > summary { padding: 1.1rem 1.25rem; }
  .publication-body { padding: 0 1.25rem .25rem; }
  .affiliation { flex-direction: column; align-items: flex-start; gap: .6rem; }
  .nvidia-logo { flex-basis: auto; width: 56px; }
}
@media (max-width: 480px) {
  .header-row { flex-wrap: wrap; gap: .1rem; padding-block: .8rem; }
  .brand { width: 100%; }
  .site-nav ul { gap: .25rem; flex-wrap: wrap; }
  .site-nav a { padding-inline: .4rem; font-size: .875rem; gap: .35rem; }
  .site-nav .icon { width: .9rem; height: .9rem; }
  .hero { grid-template-columns: minmax(0, 1fr) 88px; padding: 1.2rem; gap: 1rem; border-radius: 12px; }
  .hero h1 { grid-column: 1 / -1; font-size: clamp(2.3rem, 9vw, 2.7rem); }
  .hero .role { grid-row: 3; font-size: 1rem; }
  .hero .portrait { grid-row: 3; }
  .portrait { padding: .3rem; border-radius: 8px; }
  .portrait figcaption { font-size: .8125rem; line-height: 1.4; }
  .portrait figcaption .icon { display: none; }
  .intro { font-size: 1.2rem; }
  .link-row { gap: .5rem; }
  .profile-link { padding: .45rem .7rem; font-size: .9375rem; }
  .footer-row { flex-direction: column; gap: .7rem; }
  .footer-dot { padding-inline: .15rem; }
  .archive-heading h2 { gap: .65rem; }
  .archive-heading .heading-icon { width: 2.3rem; height: 2.3rem; border-radius: 9px; }
  .section-label { gap: .5rem; }
  .category-icon { width: 1.8rem; height: 1.8rem; }
  .publication-section > summary { padding-inline: 1rem; gap: .65rem; }
  .publication-body { padding-inline: 1rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}
@media print {
  body { background: white; }
  .site-header, .section-index, .skip-link, .footer-row > a { display: none; }
  .container { width: 100%; }
  .hero { padding: 0 0 2rem; grid-template-columns: 1fr 150px; border: 0; background: none; }
  .hero, .hero h1, .hero .role, .hero .role a, .hero .intro, .hero .bio, .hero .eyebrow, .portrait figcaption { color: var(--ink); }
  .hero { box-shadow: none; }
  .profile-link { color: var(--ink); background: none; }
  .portrait { box-shadow: none; }
  .publication-section { padding: 0; border: 0; }
  .publication-section > summary { padding: 1rem 0; }
  .publication-body { padding-inline: 0; }
  .disclosure-icon { display: none; }
  .research-layout { display: block; padding-top: 1.5rem; }
  .pub-list > li { break-inside: avoid; }
  h2, h3, h4 { break-after: avoid; }
  .primary-link { color: var(--ink); background: none; }
  .education { display: block; }
  .education h2 { margin-bottom: 1rem; }
}
