:root {
  color-scheme: light;
  --paper: #f6f7f4;
  --paper-deep: #e9ece7;
  --surface: #ffffff;
  --ink: #15222a;
  --muted: #617078;
  --faint: #89949a;
  --line: #ccd3d0;
  --line-strong: #9ba8a6;
  --accent: #0d6673;
  --accent-bright: #0d8996;
  --accent-soft: #dcecee;
  --warm: #b45f32;
  --header-bg: rgba(246, 247, 244, 0.9);
  --display: "Source Serif 4", Georgia, serif;
  --sans: "DM Sans", Arial, sans-serif;
  --page: min(1120px, calc(100vw - 64px));
  --header-height: 64px;
}

[data-theme="dark"] {
  color-scheme: dark;
  --paper: #11191d;
  --paper-deep: #192329;
  --surface: #172126;
  --ink: #eff4f2;
  --muted: #a5b3b4;
  --faint: #77878a;
  --line: #344247;
  --line-strong: #526268;
  --accent: #63bdc6;
  --accent-bright: #83d2d9;
  --accent-soft: #1c383e;
  --warm: #df9165;
  --header-bg: rgba(17, 25, 29, 0.9);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.55;
  letter-spacing: 0;
  transition: background-color 180ms ease, color 180ms ease;
}

a {
  color: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

img {
  display: block;
  max-width: 100%;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 200;
  padding: 8px 12px;
  background: var(--ink);
  color: var(--paper);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

:focus-visible {
  outline: 3px solid var(--accent-bright);
  outline-offset: 3px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: var(--header-height);
  padding: 0 max(32px, calc((100vw - 1120px) / 2));
  border-bottom: 1px solid var(--line);
  background: var(--header-bg);
  backdrop-filter: blur(16px);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  width: fit-content;
  text-decoration: none;
}

.wordmark-mark {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border: 1px solid var(--ink);
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
}

.wordmark-name {
  font-family: var(--display);
  font-size: 16px;
  font-weight: 600;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.desktop-nav a,
.mobile-nav a {
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  text-decoration: none;
}

.desktop-nav a:hover,
.desktop-nav a.is-current {
  color: var(--accent);
}

.header-actions {
  display: flex;
  justify-self: end;
  align-items: center;
  gap: 8px;
}

.icon-button {
  display: grid;
  width: 34px;
  height: 34px;
  padding: 0;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
}

.icon-button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.icon-button svg {
  width: 17px;
  height: 17px;
}

.menu-toggle,
.mobile-nav {
  display: none;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 210px;
  gap: clamp(40px, 7vw, 88px);
  align-items: center;
  width: var(--page);
  margin: 0 auto;
  padding: 54px 0 58px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-family: var(--display);
  font-size: clamp(36px, 4vw, 46px);
  font-weight: 500;
  line-height: 1;
}

.hero h1 span {
  white-space: nowrap;
}

.hero-role {
  margin: 16px 0 0;
  color: var(--ink);
  font-size: 13px;
  font-weight: 600;
}

.hero-intro {
  max-width: 660px;
  margin: 12px 0 0;
  color: var(--muted);
  font-family: var(--display);
  font-size: clamp(17px, 1.65vw, 21px);
  line-height: 1.48;
}

.hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.button {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 7px 12px;
  border: 1px solid var(--line-strong);
  text-decoration: none;
  font-size: 12px;
  font-weight: 600;
  transition: border-color 160ms ease, background 160ms ease, color 160ms ease, transform 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button svg {
  width: 16px;
  height: 16px;
}

.button-primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #ffffff;
}

.button-primary:hover {
  border-color: var(--accent-bright);
  background: var(--accent-bright);
}

.button-secondary:hover,
.button-quiet:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.button-quiet {
  border-color: transparent;
}

.portrait-wrap {
  position: relative;
  margin: 0;
}

.portrait-frame {
  position: relative;
  width: min(100%, 210px);
  margin-left: auto;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  background: var(--accent-soft);
}

.portrait-frame img {
  width: 100%;
  height: auto;
  aspect-ratio: 1279 / 1712;
  object-fit: contain;
  filter: saturate(0.88) contrast(1.02);
}

.hero-index { display: none; }

.hero-index-line {
  width: 42px;
  height: 1px;
  background: var(--line-strong);
}

.section {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  column-gap: clamp(28px, 5vw, 64px);
  width: var(--page);
  margin: 0 auto;
  padding: 72px 0;
  border-top: 1px solid var(--line);
}

.section-label {
  grid-row: 1 / span 3;
  color: var(--muted);
}

.section-label span {
  display: block;
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
}

.section-label p {
  margin: 8px 0 0;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 28px;
}

.section-heading h2,
.contact-section h2 {
  max-width: 760px;
  margin: 0;
  font-family: var(--display);
  font-size: clamp(26px, 2.8vw, 36px);
  font-weight: 500;
  line-height: 1.03;
}

.section-heading > p {
  max-width: 390px;
  margin: 0;
  color: var(--muted);
}

.about-section {
  grid-template-columns: 112px minmax(0, 1.45fr) minmax(190px, 0.55fr);
}

.about-copy .lead {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(18px, 1.7vw, 22px);
  line-height: 1.4;
}

.about-copy .lead a {
  text-decoration-color: var(--line-strong);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.about-copy .lead a:hover {
  color: var(--accent);
}

.about-copy > p:not(.lead) {
  max-width: 740px;
  margin: 18px 0 0;
  color: var(--muted);
}

.at-a-glance {
  align-self: start;
  padding: 8px 0 0 24px;
  border-left: 1px solid var(--line);
}

.aside-title {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.at-a-glance dl,
.at-a-glance dd {
  margin: 0;
}

.at-a-glance dl > div {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.at-a-glance dt {
  color: var(--faint);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
}

.at-a-glance dd {
  margin-top: 2px;
  font-family: var(--display);
  font-size: 19px;
}

.research-list {
  border-top: 1px solid var(--line-strong);
}

.research-item {
  display: grid;
  grid-template-columns: 54px 1fr auto;
  gap: 22px;
  align-items: center;
  min-height: 108px;
  padding: 20px 8px 20px 0;
  border-bottom: 1px solid var(--line);
}

.research-number {
  align-self: start;
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
}

.research-item h3 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(21px, 2.2vw, 28px);
  font-weight: 500;
}

.research-item p {
  max-width: 700px;
  margin: 8px 0 0;
  color: var(--muted);
}

.research-item > svg {
  width: 30px;
  height: 30px;
  color: var(--line-strong);
  stroke-width: 1.3;
}

.publications-heading {
  align-items: center;
}

.publications-heading > div > h2 { margin-bottom: 7px; }

.publication-key {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.text-link {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 7px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}

.text-link svg {
  width: 16px;
  height: 16px;
}

.publication-list {
  border-top: 1px solid var(--line-strong);
}

.publication-item {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  transition: background 160ms ease;
}

.publication-item:hover {
  background: var(--surface);
}

.publication-item.featured {
  box-shadow: inset 3px 0 0 var(--accent);
  padding-left: 14px;
}

.publication-thumb {
  align-self: start;
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border: 1px solid var(--line);
  background: var(--paper-deep);
}

.publication-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 180ms ease;
}

.publication-thumb:hover img { transform: scale(1.025); }

.publication-meta {
  display: flex;
  gap: 10px;
  margin-bottom: 5px;
}

.publication-meta span {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.publication-meta span:first-child {
  color: var(--warm);
}

.publication-meta span:last-child {
  margin-top: 0;
  color: var(--faint);
}

.publication-main h3 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(18px, 1.8vw, 23px);
  font-weight: 600;
  line-height: 1.24;
}

.publication-main h3 a {
  text-decoration: none;
}

.publication-main h3 a:hover {
  color: var(--accent);
}

.publication-main > p {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.publication-main .publication-authors {
  color: var(--muted);
  line-height: 1.48;
}

.publication-authors strong { color: var(--ink); }

.publication-main .publication-note {
  margin-top: 5px;
  color: var(--faint);
}

.publication-links {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 11px;
}

.publication-links a {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  gap: 5px;
  padding: 4px 9px;
  border: 1px solid var(--line);
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  text-decoration: none;
}

.publication-links a:hover { border-color: var(--accent); }
.publication-links svg { width: 13px; height: 13px; }
.publication-main sup, .publication-key sup { line-height: 0; }
}

.timeline {
  position: relative;
}

.timeline::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 148px;
  width: 1px;
  background: var(--line);
  content: "";
}

.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 148px minmax(0, 1fr);
  padding: 0 0 38px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item::before {
  position: absolute;
  top: 8px;
  left: 144px;
  z-index: 1;
  width: 9px;
  height: 9px;
  border: 2px solid var(--paper);
  border-radius: 50%;
  background: var(--line-strong);
  content: "";
}

.timeline-item.current::before {
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.timeline-date {
  padding-right: 28px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.timeline-content {
  padding-left: 40px;
}

.timeline-kind,
.service-kicker {
  margin: 0 0 7px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.timeline-content h3,
.service-grid h3 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(19px, 2vw, 25px);
  font-weight: 500;
  line-height: 1.25;
}

.timeline-content > p:not(.timeline-kind) {
  margin: 7px 0 0;
  color: var(--muted);
}

.timeline-content .timeline-advisors {
  font-size: 13px;
}

.timeline-content ul {
  max-width: 760px;
  margin: 18px 0 0;
  padding-left: 19px;
  color: var(--muted);
}

.timeline-content li + li {
  margin-top: 8px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.service-grid > div {
  min-height: 140px;
  padding: 24px;
  background: var(--paper);
}

.service-grid .service-award {
  display: flex;
  grid-column: 1 / -1;
  min-height: 120px;
  align-items: center;
  gap: 26px;
  background: var(--accent-soft);
}

.service-award > svg {
  width: 42px;
  height: 42px;
  color: var(--accent);
  stroke-width: 1.4;
}

.service-award p:last-child {
  margin: 7px 0 0;
  color: var(--muted);
}

.reviewer-links a {
  text-decoration-color: var(--line-strong);
  text-underline-offset: 3px;
}

.reviewer-links a:hover {
  color: var(--accent);
}

.contact-section {
  width: var(--page);
  margin: 0 auto;
  padding: 76px 0 82px;
  border-top: 1px solid var(--line);
}

.contact-section h2 {
  max-width: 900px;
  font-size: clamp(22px, 2.4vw, 31px);
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 24px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--ink);
  font-family: var(--display);
  font-size: clamp(15px, 1.55vw, 19px);
  text-decoration: none;
}

.contact-link:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.contact-link svg {
  width: 22px;
  height: 22px;
}

footer {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 24px;
  width: var(--page);
  margin: 0 auto;
  padding: 28px 0 40px;
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-size: 11px;
}

footer p {
  margin: 0;
}

footer .credit {
  text-align: right;
}

footer a:hover {
  color: var(--accent);
}

@media (max-width: 960px) {
  :root {
    --page: min(100% - 40px, 760px);
  }

  .site-header {
    grid-template-columns: 1fr auto;
    padding: 0 20px;
  }

  .desktop-nav {
    display: none;
  }

  .menu-toggle {
    display: grid;
  }

  .mobile-nav {
    position: absolute;
    top: var(--header-height);
    right: 0;
    left: 0;
    display: grid;
    padding: 14px 20px 22px;
    border-bottom: 1px solid var(--line);
    background: var(--paper);
  }

  .mobile-nav[hidden] {
    display: none;
  }

  .mobile-nav a {
    min-height: 46px;
    padding: 12px 0;
    border-bottom: 1px solid var(--line);
  }

  .hero {
    grid-template-columns: 1fr 190px;
    gap: 34px;
    padding: 48px 0 56px;
  }

  .hero h1 {
    font-size: clamp(34px, 5.5vw, 42px);
  }

  .section,
  .about-section {
    grid-template-columns: 1fr;
    padding: 64px 0;
  }

  .section-label {
    grid-row: auto;
    display: flex;
    gap: 10px;
    align-items: baseline;
    margin-bottom: 28px;
  }

  .section-label p {
    margin: 0;
  }

  .at-a-glance {
    display: none;
  }
}

@media (max-width: 680px) {
  :root {
    --page: calc(100% - 32px);
    --header-height: 66px;
  }

  .site-header {
    padding: 0 16px;
  }

  .wordmark-name {
    display: none;
  }

  .hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 112px;
    gap: 18px;
    align-items: start;
    padding: 34px 0 42px;
  }

  .hero-copy {
    min-width: 0;
  }

  .hero h1 {
    font-size: clamp(28px, 8.8vw, 36px);
  }

  .hero-role {
    margin-top: 12px;
    font-size: 11px;
  }

  .portrait-wrap {
    margin: 0;
  }

  .portrait-frame {
    width: 112px;
    margin-left: auto;
  }

  .hero-intro {
    margin-top: 12px;
    font-family: var(--sans);
    font-size: 14px;
  }

  .hero-links {
    grid-column: 1 / -1;
    margin-top: 16px;
  }

  .hero-links .button {
    flex: 1 1 calc(50% - 10px);
    padding-right: 9px;
    padding-left: 9px;
  }

  .hero-index {
    display: none;
  }

  .section {
    padding: 52px 0;
  }

  .section-label {
    margin-bottom: 24px;
  }

  .section-heading {
    display: block;
    margin-bottom: 24px;
  }

  .section-heading > p {
    margin-top: 18px;
  }

  .publications-heading .text-link {
    margin-top: 18px;
  }

  .research-item {
    grid-template-columns: 38px 1fr;
    gap: 14px;
    padding: 18px 0;
  }

  .research-item > svg {
    display: none;
  }

  .publication-item {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 12px;
    padding: 18px 0;
  }

  .publication-item.featured {
    padding-left: 13px;
  }

  .publication-main h3 { font-size: 15px; }
  .publication-main > p { font-size: 10px; }
  .publication-authors { line-height: 1.4; }
  .publication-note { display: none; }
  .publication-links { margin-top: 8px; }
  .publication-links a { min-height: 28px; padding: 3px 7px; }

  .timeline::before {
    left: 5px;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    padding: 0 0 48px 30px;
  }

  .timeline-item::before {
    left: 1px;
  }

  .timeline-date {
    padding: 0 0 8px;
  }

  .timeline-content {
    padding-left: 0;
  }

  .service-grid {
    grid-template-columns: 1fr;
  }

  .service-grid > div {
    min-height: 150px;
    padding: 24px;
  }

  .service-grid .service-award {
    grid-column: auto;
  }

  .contact-section {
    padding: 82px 0 90px;
  }

  .contact-link {
    max-width: 100%;
    font-size: 17px;
  }

  footer {
    grid-template-columns: 1fr;
  }

  footer p:nth-child(2),
  footer .credit {
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}