:root {
  --ink: #16201e;
  --muted: #53615d;
  --line: #d9dfdc;
  --paper: #f6f4ee;
  --paper-2: #ede9df;
  --white: #ffffff;
  --charcoal: #101716;
  --copper: #b55d3a;
  --oxide: #8e2f2f;
  --teal: #1d756f;
  --gold: #c5a05a;
  --sage: #849b7d;
  --shadow: 0 24px 70px rgba(16, 23, 22, 0.12);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  font-size: 16px;
  line-height: 1.6;
  text-rendering: geometricPrecision;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.22em;
}

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

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  color: var(--white);
  background: var(--charcoal);
  border-radius: 4px;
  transform: translateY(-160%);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(22, 32, 30, 0.08);
  background: rgba(246, 244, 238, 0.86);
  backdrop-filter: blur(18px);
  transition:
    box-shadow 180ms ease,
    background 180ms ease;
}

.site-header.is-scrolled {
  background: rgba(246, 244, 238, 0.94);
  box-shadow: 0 10px 34px rgba(16, 23, 22, 0.08);
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(var(--max), calc(100% - 36px));
  height: 72px;
  margin: 0 auto;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-weight: 760;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: var(--white);
  background: var(--ink);
  border: 2px solid var(--copper);
  border-radius: 8px;
  font-size: 0.76rem;
  letter-spacing: 0;
}

.brand-text {
  font-size: 0.98rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 650;
}

.nav-links a {
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a.is-active {
  color: var(--copper);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink);
  padding: 9px 12px;
  border-radius: 6px;
  font: inherit;
  font-weight: 700;
}

.hero {
  position: relative;
  overflow: clip;
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(16, 23, 22, 0.96), rgba(16, 23, 22, 0.84) 44%, rgba(16, 23, 22, 0.38)),
    var(--charcoal);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(197, 160, 90, 0.72), transparent);
}

.hero-map {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.36;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(340px, 0.72fr);
  align-items: center;
  width: min(var(--max), calc(100% - 36px));
  min-height: min(700px, calc(100svh - 150px));
  margin: 0 auto;
  padding: clamp(34px, 5vw, 62px) 0 clamp(24px, 3.2vw, 34px);
  gap: clamp(28px, 6vw, 70px);
}

.hero-copy {
  max-width: 750px;
  padding-bottom: clamp(10px, 3vw, 46px);
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--copper);
  font-size: 0.78rem;
  font-weight: 820;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #e6b071;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 16px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3.6rem, 8vw, 6.6rem);
  line-height: 0.9;
  letter-spacing: 0;
  white-space: nowrap;
}

h2 {
  max-width: 840px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.8rem, 3.35vw, 3.1rem);
  line-height: 1.08;
  letter-spacing: 0;
  margin-bottom: 0;
}

h3 {
  margin-bottom: 8px;
  font-size: 1.08rem;
  line-height: 1.22;
}

.hero-lede {
  max-width: 670px;
  color: rgba(255, 255, 255, 0.94);
  font-size: clamp(1.22rem, 2vw, 1.65rem);
  line-height: 1.32;
  margin-bottom: 20px;
}

.hero-detail {
  max-width: 680px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 1.02rem;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero-actions {
  flex-wrap: nowrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 11px 18px;
  border: 1px solid currentColor;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 790;
  line-height: 1;
  white-space: nowrap;
  text-decoration: none;
  transition:
    transform 160ms ease,
    background 160ms ease,
    border-color 160ms ease;
}

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

.button.primary {
  color: var(--white);
  background: var(--copper);
  border-color: var(--copper);
}

.button.secondary {
  color: inherit;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.34);
}

.contact-section .button.secondary {
  color: var(--ink);
  background: transparent;
  border-color: var(--line);
}

.portrait-frame {
  position: relative;
  align-self: center;
  margin: 0;
  justify-self: end;
  width: min(360px, 100%);
  transform: translateY(-6px);
}

.portrait-frame img {
  width: 100%;
  aspect-ratio: 0.78;
  object-fit: cover;
  object-position: 50% 34%;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  box-shadow: 0 30px 92px rgba(0, 0, 0, 0.32);
}

.portrait-frame figcaption {
  display: none;
}

.metric-band {
  background: var(--paper-2);
  border-bottom: 1px solid var(--line);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  width: min(var(--max), calc(100% - 36px));
  margin: 0 auto;
}

.metric-grid > div {
  min-height: 154px;
  padding: 30px 26px;
  border-left: 1px solid var(--line);
}

.metric-grid > div:last-child {
  border-right: 1px solid var(--line);
}

.metric-value {
  display: block;
  color: var(--oxide);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1;
}

.metric-label {
  display: block;
  max-width: 260px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.45;
}

.section {
  width: min(var(--max), calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(58px, 7vw, 98px) 0;
}

.section-heading {
  display: grid;
  grid-template-columns: 0.42fr 1fr;
  gap: clamp(24px, 5vw, 70px);
  align-items: start;
  margin-bottom: clamp(28px, 4.8vw, 54px);
}

.section-heading.compact {
  display: block;
  max-width: 780px;
}

.intro-layout {
  display: grid;
  grid-template-columns: 0.56fr 1fr;
  gap: clamp(28px, 5vw, 68px);
  align-items: start;
}

.large-text {
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.08rem, 1.55vw, 1.45rem);
  line-height: 1.42;
}

.research-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.research-list article {
  min-height: 218px;
  padding: 26px;
  background: rgba(255, 255, 255, 0.34);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.theme-index,
.year,
.timeline span {
  color: var(--copper);
  font-size: 0.76rem;
  font-weight: 830;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.research-list p,
.highlight-card p,
.project-grid p,
.timeline p,
.pub-note,
.resource-links small {
  color: var(--muted);
}

.highlight-section,
.project-section {
  width: 100%;
  max-width: none;
  padding-inline: max(18px, calc((100vw - var(--max)) / 2));
  background: var(--charcoal);
  color: var(--white);
}

.highlight-section .section-heading,
.project-section .section-heading {
  margin-inline: auto;
}

.highlight-section h2,
.project-section h2 {
  color: var(--white);
}

.highlight-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.highlight-card {
  min-height: 100%;
  overflow: hidden;
  background: #f8f6f0;
  color: var(--ink);
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 8px;
}

.highlight-card img {
  width: 100%;
  aspect-ratio: 1.34;
  object-fit: contain;
  background: #f8f6f0;
  border-bottom: 1px solid var(--line);
}

.highlight-card div {
  padding: 24px;
}

.tag {
  margin-bottom: 10px;
  color: var(--copper);
  font-size: 0.76rem;
  font-weight: 830;
  letter-spacing: 0.07em;
}

.pub-layout {
  display: grid;
  grid-template-columns: 0.28fr 1fr;
  gap: clamp(26px, 4vw, 48px);
}

.pub-note {
  position: sticky;
  top: 104px;
  align-self: start;
  padding-left: 18px;
  border-left: 3px solid var(--copper);
}

.publication-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.publication-list li {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) max-content;
  gap: 12px;
  align-items: baseline;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.publication-list a {
  min-width: 0;
  font-size: 0.94rem;
  font-weight: 760;
  line-height: 1.34;
  text-decoration: none;
}

.publication-list a:hover {
  color: var(--copper);
}

.venue {
  display: inline;
  margin-top: 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.2;
  text-align: right;
  white-space: nowrap;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.project-grid article {
  min-height: 260px;
  padding: 26px;
  background: var(--charcoal);
}

.project-grid h3 {
  color: var(--white);
}

.project-grid p {
  color: rgba(255, 255, 255, 0.68);
}

.database-section {
  padding-bottom: 84px;
}

.resource-links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.resource-links a {
  display: block;
  min-height: 150px;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 14px 34px rgba(16, 23, 22, 0.06);
  text-decoration: none;
  transition:
    transform 160ms ease,
    border-color 160ms ease;
}

.resource-links a:hover {
  transform: translateY(-3px);
  border-color: var(--copper);
}

.resource-links span {
  display: block;
  margin-bottom: 10px;
  font-weight: 780;
}

.timeline-section {
  padding-top: 70px;
}

.timeline {
  position: relative;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.timeline article {
  display: grid;
  grid-template-columns: 150px 330px minmax(0, 1fr);
  gap: 24px;
  align-items: baseline;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.timeline h3 {
  margin-bottom: 0;
}

.timeline p {
  max-width: 780px;
  margin-bottom: 0;
  line-height: 1.42;
}

.contact-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  align-items: center;
  width: min(var(--max), calc(100% - 36px));
  margin: 0 auto 44px;
  padding: clamp(42px, 7vw, 72px);
  color: var(--ink);
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.contact-section h2 {
  max-width: none;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  font-size: clamp(1rem, 1.26vw, 1.18rem);
  font-weight: 720;
  line-height: 1.36;
  white-space: nowrap;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  width: min(var(--max), calc(100% - 36px));
  margin: 0 auto;
  padding: 26px 0 42px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 0.9rem;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  font-weight: 720;
  text-decoration: none;
}

@media (max-width: 980px) {
  .hero-inner,
  .intro-layout,
  .pub-layout,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero-inner {
    align-items: start;
  }

  .portrait-frame {
    justify-self: start;
    width: min(420px, 100%);
  }

  .metric-grid,
  .highlight-grid,
  .project-grid,
  .resource-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .section-heading {
    grid-template-columns: 1fr;
  }

  .pub-note {
    position: static;
  }

  .contact-actions {
    margin-top: 0;
  }
}

@media (max-width: 760px) {
  .nav-shell {
    height: 66px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    position: absolute;
    inset: 66px 18px auto;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links a {
    padding: 12px;
  }

  .hero-inner {
    position: relative;
    min-height: calc(100svh - 112px);
    padding-top: 44px;
    padding-bottom: 144px;
    gap: 0;
  }

  h1 {
    font-size: clamp(3rem, 13.7vw, 4rem);
    line-height: 0.95;
  }

  .hero-detail {
    display: none;
  }

  .hero-lede {
    font-size: 1.18rem;
    max-width: 315px;
  }

  .hero-actions {
    gap: 6px;
  }

  .hero-actions .button {
    min-height: 38px;
    padding: 9px 8px;
    font-size: 0.72rem;
  }

  .portrait-frame {
    position: absolute;
    left: 0;
    right: auto;
    bottom: 26px;
    width: 180px;
    transform: translateY(-18px);
  }

  .portrait-frame img {
    aspect-ratio: 0.82;
    object-position: 50% 28%;
  }

  .portrait-frame figcaption {
    display: none;
  }

  .metric-grid,
  .highlight-grid,
  .project-grid,
  .resource-links,
  .research-list {
    grid-template-columns: 1fr;
  }

  .metric-grid > div,
  .metric-grid > div:last-child {
    min-height: 126px;
    border-right: 1px solid var(--line);
  }

  .publication-list li {
    grid-template-columns: 46px minmax(0, 1fr);
    gap: 6px 12px;
  }

  .publication-list .venue {
    grid-column: 2;
    text-align: left;
  }

  .timeline article {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .contact-section {
    padding-inline: 24px;
  }

  .contact-section h2 {
    white-space: normal;
  }

  .site-footer {
    flex-direction: column;
  }
}

@media (min-width: 540px) and (max-width: 760px) {
  .hero-copy {
    max-width: 100%;
  }

  .portrait-frame {
    left: auto;
    right: 0;
    top: 50%;
    bottom: auto;
    width: clamp(156px, 29vw, 180px);
    transform: translateY(-95%);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
  }
}