:root {
  --bg: #f7f8fb;
  --surface: #ffffff;
  --text: #172033;
  --muted: #5f697a;
  --line: #dce2ea;
  --accent: #1f5f8b;
  --accent-dark: #143d5a;
  --accent-soft: #e7f1f8;
  --warm: #9b633a;
  --shadow: 0 18px 45px rgba(23, 32, 51, 0.08);
  --radius: 8px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.65;
}

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

a {
  color: var(--accent);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

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

a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(31, 95, 139, 0.35);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 20;
  transform: translateY(-150%);
  padding: 8px 12px;
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(20px, 4vw, 56px);
  border-bottom: 1px solid rgba(220, 226, 234, 0.82);
  background: rgba(247, 248, 251, 0.92);
  backdrop-filter: blur(16px);
}

.brand {
  color: var(--text);
  font-weight: 800;
  letter-spacing: 0;
  text-decoration: none;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px 18px;
  font-size: 0.93rem;
}

.site-nav a {
  color: var(--muted);
  font-weight: 600;
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--text);
}

.hero {
  position: relative;
  min-height: calc(92vh - 60px);
  overflow: hidden;
  background: #172033;
}

.hero-image,
.hero-image img,
.hero-scrim {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image img {
  object-fit: cover;
  object-position: center center;
}

.hero-scrim {
  background:
    linear-gradient(90deg, rgba(10, 16, 27, 0.08) 0%, rgba(10, 16, 27, 0.22) 42%, rgba(10, 16, 27, 0.82) 100%),
    linear-gradient(180deg, rgba(10, 16, 27, 0.12) 0%, rgba(10, 16, 27, 0.08) 42%, rgba(10, 16, 27, 0.32) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: calc(92vh - 60px);
  width: min(1360px, calc(100% - 40px));
  margin: 0 auto;
  padding: clamp(92px, 13vh, 148px) 0 clamp(56px, 8vh, 96px);
  flex-direction: column;
  align-items: flex-end;
  justify-content: center;
  text-align: left;
}

.hero-content > * {
  width: min(680px, 100%);
}

.eyebrow,
.section-label,
.venue,
.time {
  margin: 0 0 10px;
  color: var(--warm);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #e6c49b;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  font-weight: 650;
  letter-spacing: 0;
  line-height: 1.25;
  text-transform: none;
}

.nowrap {
  white-space: nowrap;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  color: #ffffff;
  font-size: clamp(2.35rem, 5vw, 4.8rem);
  line-height: 1;
  letter-spacing: 0;
  white-space: nowrap;
}

h2 {
  margin: 0 0 18px;
  font-size: clamp(1.75rem, 3.6vw, 2.75rem);
  line-height: 1.12;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 8px;
  font-size: 1.1rem;
  line-height: 1.32;
}

.hero-subtitle {
  margin: 18px 0 12px;
  color: rgba(255, 255, 255, 0.88);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  font-weight: 650;
}

.hero-copy {
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.04rem;
}

.hero-actions,
.contact-actions,
.pub-links,
.inline-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-actions {
  margin-top: 30px;
}

.button,
.pub-links a,
.inline-links a,
.coming-soon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 8px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--accent-dark);
  background: var(--surface);
  font-size: 0.88rem;
  font-weight: 750;
  line-height: 1.1;
  text-decoration: none;
}

.hero-actions .button {
  border-color: rgba(255, 255, 255, 0.34);
  color: #ffffff;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
}

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

.button:hover,
.pub-links a:hover,
.inline-links a:hover {
  border-color: var(--accent);
  color: #ffffff;
  background: var(--accent);
}

.coming-soon {
  color: var(--muted);
  background: #f0f3f7;
}

.section {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  gap: clamp(24px, 5vw, 72px);
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: clamp(56px, 8vw, 96px) 0;
  border-bottom: 1px solid var(--line);
}

.intro-section {
  padding-top: clamp(64px, 9vw, 112px);
}

.section-label {
  position: sticky;
  top: 86px;
  align-self: start;
}

.section-body > p {
  max-width: 780px;
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 1.04rem;
}

.muted {
  color: var(--muted);
}

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

.research-item,
.timeline article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 22px;
  box-shadow: 0 12px 30px rgba(23, 32, 51, 0.04);
}

.research-item p,
.timeline p {
  margin: 0;
  color: var(--muted);
}

.section-heading-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
}

.section-heading-row p {
  margin: 0;
  max-width: 680px;
}

.publication-cards {
  display: grid;
  gap: 20px;
}

.publication-card {
  display: grid;
  grid-template-columns: minmax(320px, 48%) minmax(0, 1fr);
  gap: 28px;
  align-items: center;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.publication-card img {
  width: 100%;
  height: auto;
  max-height: 340px;
  object-fit: contain;
  padding: 10px;
  border: 1px solid #e4eaf2;
  border-radius: 12px;
  background: #ffffff;
  box-shadow: 0 14px 30px rgba(23, 32, 51, 0.12);
}

.publication-card p {
  margin: 0 0 12px;
  color: var(--muted);
}

.publication-card .authors {
  color: #3f4858;
  font-size: 0.94rem;
}

.publication-card .venue {
  margin-bottom: 8px;
  color: var(--warm);
}

.pub-links {
  margin-top: 14px;
}

.full-list {
  margin-top: clamp(44px, 7vw, 72px);
}

.full-list h2 {
  font-size: clamp(1.55rem, 2.8vw, 2.2rem);
}

.full-list h3 {
  margin-top: 30px;
  color: var(--accent-dark);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.paper-list {
  display: grid;
  gap: 16px;
  margin: 14px 0 0;
  padding-left: 1.35rem;
}

.paper-list li {
  padding-left: 4px;
  color: var(--muted);
}

.paper-title {
  display: block;
  color: var(--text);
  font-weight: 800;
}

.inline-links {
  margin-top: 8px;
}

.inline-links a,
.coming-soon {
  min-height: 30px;
  padding: 6px 10px;
  font-size: 0.8rem;
}

.timeline {
  display: grid;
  gap: 16px;
}

.timeline h3 {
  margin-bottom: 4px;
}

.timeline .time {
  color: var(--warm);
}

.award-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.award-list li {
  padding: 18px 20px;
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: var(--surface);
  box-shadow: 0 10px 26px rgba(23, 32, 51, 0.04);
}

.contact-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  width: min(1120px, calc(100% - 40px));
  margin: clamp(56px, 8vw, 96px) auto 0;
  padding: clamp(30px, 5vw, 48px);
  border-radius: var(--radius);
  background: var(--text);
  color: #ffffff;
}

.contact-section h2 {
  max-width: 690px;
  margin-bottom: 0;
  color: #ffffff;
}

.contact-section .section-label {
  position: static;
  color: #e6c49b;
}

.contact-actions {
  justify-content: flex-end;
  min-width: min(360px, 100%);
}

.contact-actions a {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  padding: 8px 14px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  color: #ffffff;
  text-decoration: none;
}

.contact-actions a:hover {
  border-color: #ffffff;
  background: rgba(255, 255, 255, 0.12);
}

.site-footer {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0 42px;
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 980px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .hero,
  .hero-content {
    min-height: 760px;
  }

  .hero-image img {
    object-position: 36% center;
  }

  .hero-scrim {
    background:
      linear-gradient(180deg, rgba(10, 16, 27, 0.12) 0%, rgba(10, 16, 27, 0.38) 42%, rgba(10, 16, 27, 0.88) 100%),
      linear-gradient(90deg, rgba(10, 16, 27, 0.04), rgba(10, 16, 27, 0.28));
  }

  .hero-content {
    justify-content: flex-end;
    align-items: flex-start;
    padding-bottom: 70px;
  }

  .section {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .section-label {
    position: static;
  }

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

  .publication-card {
    grid-template-columns: 1fr;
  }

  .contact-section {
    align-items: flex-start;
    flex-direction: column;
  }

  .contact-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 15px;
  }

  .site-header {
    padding: 12px 18px;
  }

  .site-nav {
    gap: 4px 12px;
    font-size: 0.86rem;
  }

  .hero,
  .hero-content {
    min-height: 700px;
  }

  .hero-content {
    width: min(100% - 30px, 1120px);
    padding-top: 86px;
  }

  .hero-copy {
    font-size: 1rem;
  }

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

  .section {
    padding: 50px 0;
  }

  .publication-card {
    padding: 14px;
    gap: 18px;
  }

  .publication-card img {
    max-height: none;
  }

  .hero-actions,
  .contact-actions,
  .pub-links,
  .inline-links {
    gap: 8px;
  }
}