:root {
  --ink: #182131;
  --muted: #657180;
  --paper: #f6f4ef;
  --white: #ffffff;
  --line: #ded9cf;
  --night: #07111f;
  --night-2: #10263b;
  --observatory: #2f6789;
  --crimson: #a40618;
  --crimson-dark: #700711;
  --gold: #c89b4a;
  --gold-soft: #f4ead6;
  --teal: #1a9eb3;
  --shadow: 0 18px 52px rgba(19, 27, 39, 0.12);
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

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

a {
  color: inherit;
}

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

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 82px;
  padding: 12px clamp(18px, 4vw, 52px);
  color: var(--white);
  transition: background 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

.site-header.is-scrolled,
.site-header.is-open {
  background: rgba(255, 255, 255, 0.96);
  color: var(--ink);
  box-shadow: 0 8px 30px rgba(20, 32, 52, 0.1);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  text-decoration: none;
}

.brand-logo {
  width: clamp(168px, 23vw, 268px);
  height: auto;
  filter: drop-shadow(0 6px 14px rgba(0, 0, 0, 0.28));
}

.site-header.is-scrolled .brand-logo,
.site-header.is-open .brand-logo {
  filter: none;
}

.brand-text {
  display: block;
}

.brand-affiliation {
  display: block;
  max-width: 150px;
  color: currentColor;
  font-size: 0.72rem;
  font-weight: 800;
  line-height: 1.15;
  opacity: 0.78;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 0.92rem;
  font-weight: 750;
}

.site-nav a {
  position: relative;
  text-decoration: none;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 2px;
  background: var(--gold);
  content: "";
  opacity: 0;
  transform: scaleX(0.4);
  transition: opacity 160ms ease, transform 160ms ease;
}

.site-nav a:hover::after,
.site-nav a.is-active::after {
  opacity: 1;
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid currentColor;
  border-radius: 8px;
  background: transparent;
  color: inherit;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: currentColor;
}

.hero {
  position: relative;
  display: grid;
  min-height: 100vh;
  min-height: 100dvh;
  align-items: end;
  overflow: hidden;
  color: var(--white);
  background: var(--night);
}

.hero-slideshow,
.hero-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-slideshow {
  overflow: hidden;
}

.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  animation: heroFade 21s infinite;
  object-fit: cover;
  object-position: center 58%;
  filter: saturate(1.04) contrast(1.03);
}

.hero-image:nth-child(2) {
  animation-delay: 7s;
}

.hero-image:nth-child(3) {
  animation-delay: 14s;
}

@keyframes heroFade {
  0%,
  28% {
    opacity: 1;
  }

  38%,
  100% {
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-image {
    animation: none;
  }

  .hero-image:first-child {
    opacity: 1;
  }
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(7, 17, 31, 0.9) 0%, rgba(7, 17, 31, 0.58) 42%, rgba(7, 17, 31, 0.16) 100%),
    linear-gradient(0deg, rgba(7, 17, 31, 0.72) 0%, rgba(7, 17, 31, 0.14) 58%);
}

.hero-content {
  position: relative;
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
  padding: 150px 0 72px;
}

.eyebrow,
.section-kicker,
.pub-status,
.role,
.research-label {
  margin: 0 0 10px;
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 780px;
  margin: 0;
  color: #f8f1df;
  font-size: clamp(5rem, 17vw, 12rem);
  line-height: 0.8;
  letter-spacing: 0;
  text-shadow: 0 12px 42px rgba(0, 0, 0, 0.42);
}

.hero-subtitle {
  max-width: 1000px;
  margin: 16px 0 0;
  color: #f7d58f;
  font-size: clamp(1.75rem, 4.3vw, 3.6rem);
  font-weight: 900;
  line-height: 1.02;
}

.hero-copy {
  max-width: 700px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(1.1rem, 2.1vw, 1.52rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 11px 18px;
  border-radius: 8px;
  font-weight: 850;
  text-decoration: none;
}

.button.primary {
  background: var(--gold);
  color: #1c1204;
}

.button.secondary {
  border: 1px solid rgba(255, 255, 255, 0.72);
  color: var(--white);
}

.section-heading h2,
.contact-content h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.45rem);
  line-height: 1.06;
  letter-spacing: 0;
}

.quote-section {
  position: relative;
  overflow: hidden;
  border-top: 1px solid rgba(222, 217, 207, 0.84);
  border-bottom: 1px solid rgba(222, 217, 207, 0.84);
  background:
    linear-gradient(120deg, transparent 0%, transparent 62%, rgba(200, 155, 74, 0.16) 62%, rgba(200, 155, 74, 0.16) 63.2%, transparent 63.2%),
    linear-gradient(135deg, #ffffff 0%, #fbf7ed 54%, #eef7f9 100%);
}

.quote-inner {
  position: relative;
  width: min(1040px, calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(42px, 5.6vw, 76px) 0;
}

.discovery-quote {
  margin: 0;
  padding: 0 0 0 clamp(22px, 4vw, 46px);
  border-left: 5px solid var(--gold);
}

.quote-mark {
  display: block;
  margin: 0 0 4px -4px;
  color: var(--crimson);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3.8rem, 7vw, 6.1rem);
  line-height: 0.58;
}

.discovery-quote p {
  max-width: 980px;
  margin: 0;
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.25rem, 2.35vw, 2.05rem);
  font-weight: 650;
  line-height: 1.28;
}

.quote-change {
  color: var(--crimson);
  background: rgba(200, 155, 74, 0.2);
  border-radius: 6px;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
  padding: 0 0.12em;
}

.discovery-quote footer {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  align-items: baseline;
  margin-top: 20px;
  color: var(--muted);
  font-size: clamp(0.98rem, 1.6vw, 1.14rem);
  font-weight: 750;
}

.discovery-quote footer span::before {
  content: "";
  display: inline-block;
  width: 34px;
  height: 2px;
  margin-right: 12px;
  vertical-align: middle;
  background: var(--gold);
}

.discovery-quote a {
  color: var(--crimson);
  text-decoration-color: rgba(164, 6, 24, 0.32);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.discovery-quote cite {
  font-style: italic;
}

.section {
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
  padding: 86px 0;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(260px, 0.55fr);
  gap: 28px;
  align-items: end;
  margin-bottom: 28px;
}

.research-showcase {
  display: grid;
  gap: 18px;
}

.research-feature,
.publication,
.person-feature,
.people-panel,
.course-item,
.contact-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 8px 28px rgba(23, 32, 46, 0.05);
}

.research-feature {
  display: grid;
  grid-template-columns: minmax(360px, 1.12fr) minmax(280px, 0.88fr);
  gap: 0;
  overflow: hidden;
}

.research-feature:nth-child(even) {
  grid-template-columns: minmax(280px, 0.88fr) minmax(360px, 1.12fr);
}

.research-feature:nth-child(even) .carousel {
  order: 2;
}

.carousel {
  position: relative;
  min-height: 360px;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--white);
}

.carousel-slide {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-rows: 1fr auto;
  margin: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease;
}

.carousel-slide.is-active {
  opacity: 1;
  pointer-events: auto;
}

.carousel-slide img,
.carousel-slide video {
  width: 100%;
  height: 100%;
  min-height: 0;
  object-fit: contain;
  background: var(--white);
}

.carousel-slide figcaption {
  padding: 10px 14px;
  background: rgba(7, 17, 31, 0.9);
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.88rem;
  font-weight: 750;
}

.carousel-controls {
  position: absolute;
  right: 12px;
  bottom: 46px;
  display: flex;
  gap: 8px;
}

.carousel-controls button {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.62);
  border-radius: 8px;
  background: rgba(7, 17, 31, 0.72);
  color: var(--white);
  cursor: pointer;
}

.carousel-controls svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.4;
}

.research-copy {
  display: flex;
  min-height: 360px;
  flex-direction: column;
  justify-content: center;
  padding: clamp(24px, 4vw, 44px);
}

.research-copy h3,
.publication h3,
.person-feature h3,
.people-panel h3,
.course-item h3 {
  margin: 0 0 12px;
  font-size: 1.18rem;
  line-height: 1.28;
}

.research-copy h3 {
  font-size: clamp(1.55rem, 2.6vw, 2.25rem);
  line-height: 1.08;
}

.research-copy p,
.publication p,
.people-panel p,
.course-item p,
.contact-content p {
  margin: 0;
  color: var(--muted);
}

.split-section {
  border-top: 1px solid var(--line);
}

.people-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: 18px;
}

.person-feature {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: 24px;
  align-items: center;
  padding: 28px;
}

.member-photo {
  width: 160px;
  height: 190px;
  border-radius: 8px;
  object-fit: cover;
  object-position: center top;
  box-shadow: 0 14px 34px rgba(24, 33, 49, 0.15);
}

.person-feature a,
.publication a,
.text-link,
.contact-card a {
  color: var(--crimson);
  font-weight: 800;
  text-decoration: none;
}

.person-feature a:hover,
.publication a:hover,
.text-link:hover,
.contact-card a:hover {
  text-decoration: underline;
}

.people-panel {
  padding: 28px;
}

.people-panel .text-link {
  display: inline-block;
  margin-top: 18px;
}

.publications-section {
  border-top: 1px solid var(--line);
}

.pub-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.filter-button {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 800;
  padding: 7px 14px;
}

.filter-button.active {
  border-color: var(--crimson);
  background: var(--crimson);
  color: var(--white);
}

.publication-list {
  display: grid;
  gap: 12px;
}

.publication {
  padding: 22px 24px;
}

.publication.is-hidden {
  display: none;
}

.publication .pub-authors {
  margin-bottom: 10px;
  color: var(--ink);
  font-size: 0.95rem;
}

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(260px, 1.1fr);
  gap: 28px;
  align-items: start;
  border-top: 1px solid var(--line);
}

.two-column .section-heading {
  display: block;
  margin: 0;
}

.course-item {
  padding: 24px;
}

.contact-section {
  background:
    linear-gradient(135deg, rgba(164, 6, 24, 0.2), rgba(47, 103, 137, 0.14)),
    var(--night);
  color: var(--white);
}

.contact-content {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.85fr);
  gap: clamp(28px, 6vw, 80px);
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
  padding: 82px 0;
}

.contact-content p {
  max-width: 520px;
  color: rgba(255, 255, 255, 0.72);
}

.contact-card {
  display: grid;
  gap: 10px;
  padding: 24px;
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.07);
  box-shadow: none;
  color: rgba(255, 255, 255, 0.82);
  font-style: normal;
}

.contact-card a {
  color: var(--white);
}

.site-footer {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 18px;
  padding: 22px clamp(18px, 4vw, 52px);
  background: #040910;
  color: rgba(255, 255, 255, 0.74);
  font-size: 0.92rem;
}

.footer-logo {
  width: min(220px, 42vw);
  height: auto;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: var(--white);
  font-weight: 800;
  text-decoration: none;
}

@media (max-width: 1040px) {
  .brand-text {
    display: none;
  }

  .research-feature,
  .research-feature:nth-child(even) {
    grid-template-columns: 1fr;
  }

  .research-feature:nth-child(even) .carousel {
    order: 0;
  }

  .carousel,
  .research-copy {
    min-height: 320px;
  }
}

@media (max-width: 960px) {
  .site-header {
    min-height: 72px;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 72px;
    right: 18px;
    left: 18px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    color: var(--ink);
    box-shadow: var(--shadow);
  }

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

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

  .site-nav a::after {
    display: none;
  }

  .section-heading,
  .people-layout,
  .two-column,
  .contact-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .site-header {
    min-height: 68px;
  }

  .brand-logo {
    width: min(178px, 52vw);
  }

  .site-nav {
    top: 68px;
  }

  .hero {
    min-height: 100vh;
    min-height: 100dvh;
  }

  .hero-image {
    object-position: center bottom;
  }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(7, 17, 31, 0.93) 0%, rgba(7, 17, 31, 0.72) 62%, rgba(7, 17, 31, 0.38) 100%),
      linear-gradient(0deg, rgba(7, 17, 31, 0.78) 0%, rgba(7, 17, 31, 0.1) 56%);
  }

  .hero-content {
    width: min(100% - 30px, 1120px);
    padding: 120px 0 52px;
  }

  .hero h1 {
    font-size: clamp(4.1rem, 26vw, 6.3rem);
  }

  .hero-subtitle {
    font-size: clamp(1.5rem, 8vw, 2.25rem);
  }

  .hero-copy {
    font-size: 1.08rem;
  }

  .button {
    width: 100%;
  }

  .quote-inner {
    width: min(100% - 30px, 1120px);
    padding: 38px 0 42px;
  }

  .discovery-quote {
    padding-left: 18px;
    border-left-width: 4px;
  }

  .discovery-quote p {
    font-size: clamp(1.14rem, 5.8vw, 1.48rem);
    line-height: 1.3;
  }

  .discovery-quote footer {
    display: block;
    margin-top: 16px;
  }

  .discovery-quote a {
    display: inline-block;
    margin-top: 6px;
  }

  .section {
    width: min(100% - 30px, 1120px);
    padding: 64px 0;
  }

  .contact-content {
    width: min(100% - 30px, 1120px);
  }

  .carousel {
    min-height: 260px;
    aspect-ratio: 4 / 3;
  }

  .research-copy {
    min-height: auto;
    padding: 22px;
  }

  .carousel-controls {
    bottom: 44px;
  }

  .person-feature {
    grid-template-columns: 1fr;
  }

  .member-photo {
    width: 150px;
    height: 182px;
  }

  .publication,
  .people-panel,
  .course-item,
  .contact-card,
  .person-feature {
    padding: 20px;
  }

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