:root {
  color-scheme: light;
  --ink: #14213d;
  --muted: #627083;
  --line: #ddd6bf;
  --paper: #fffdf6;
  --soft: #f5f1df;
  --green: #0058a8;
  --coral: #9f7d00;
  --blue: #173f72;
  --amber: #d5a900;
  --shadow: 0 18px 45px rgba(20, 33, 61, 0.08);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 82px;
}

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;
  letter-spacing: 0;
}

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

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 14px 32px;
  background: rgba(255, 253, 246, 0.92);
  border-bottom: 1px solid rgba(221, 214, 191, 0.86);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
}

.brand-mark {
  display: inline-grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: #ffffff;
  background: linear-gradient(135deg, var(--blue), #071d39);
  border-radius: 8px;
  font-size: 14px;
}

.brand-text {
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-nav a {
  min-height: 38px;
  padding: 9px 12px;
  border-radius: 6px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--ink);
  background: rgba(213, 169, 0, 0.15);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #ffffff;
}

.menu-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--ink);
}

.hero {
  position: relative;
  min-height: 680px;
  overflow: hidden;
  background: #f5f1df;
  border-bottom: 1px solid var(--line);
}

.hero::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(90deg, rgba(255, 253, 246, 0.22), rgba(255, 253, 246, 0.04));
  pointer-events: none;
}

.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-copy {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: min(620px, calc(100% - 48px));
  min-height: 680px;
  margin-left: max(32px, calc((100vw - var(--max)) / 2));
  padding: 72px 0 96px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 8em;
  margin-bottom: 22px;
  font-size: 64px;
  line-height: 1.02;
  letter-spacing: 0;
}

.lead {
  max-width: 620px;
  margin-bottom: 32px;
  color: #334257;
  font-size: 20px;
  line-height: 1.55;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 11px 18px;
  border: 1px solid var(--blue);
  border-radius: 6px;
  font-size: 14px;
  font-weight: 800;
}

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

.button.secondary {
  color: var(--blue);
  background: rgba(255, 253, 246, 0.78);
}

.button:hover,
.contact-link:hover,
.site-footer a:hover {
  transform: translateY(-1px);
}

.snapshot {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  max-width: var(--max);
  margin: -54px auto 0;
  padding: 0 24px;
  position: relative;
  z-index: 3;
}

.metric {
  min-height: 118px;
  padding: 24px;
  background: #ffffff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.metric:first-child {
  border-radius: 8px 0 0 8px;
}

.metric:last-child {
  border-radius: 0 8px 8px 0;
}

.metric strong {
  display: block;
  margin-bottom: 6px;
  font-size: 28px;
  line-height: 1.1;
}

.metric span {
  display: block;
  color: var(--muted);
  font-size: 14px;
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 96px 24px;
}

.band {
  max-width: none;
  background: var(--soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.band > * {
  max-width: var(--max);
  margin-left: auto;
  margin-right: auto;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 34px;
}

.section-heading.split {
  display: flex;
  max-width: var(--max);
  align-items: end;
  justify-content: space-between;
  gap: 32px;
}

h2 {
  margin-bottom: 0;
  font-size: 38px;
  line-height: 1.12;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.25;
  letter-spacing: 0;
}

.section-note {
  width: min(380px, 100%);
  margin-bottom: 0;
  color: var(--muted);
}

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

.research-card,
.publication-card,
.service-panel {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.research-card {
  min-height: 265px;
  padding: 24px;
  border-top-width: 5px;
}

.research-card p,
.publication-card p,
.timeline-item p,
.service-panel p,
.contact-copy p {
  color: var(--muted);
}

.accent-green {
  border-top-color: var(--green);
}

.accent-coral {
  border-top-color: var(--coral);
}

.accent-blue {
  border-top-color: var(--blue);
}

.accent-amber {
  border-top-color: var(--amber);
}

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

.publication-card {
  min-height: 245px;
  padding: 24px;
}

.publication-card h3 a {
  color: inherit;
  text-decoration: none;
}

.publication-card h3 a:hover {
  color: var(--green);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.pub-meta {
  margin-bottom: 12px;
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
}

.two-column {
  display: grid;
  grid-template-columns: 0.9fr 1.3fr;
  gap: 68px;
  align-items: start;
}

.timeline {
  display: grid;
  gap: 18px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 128px 1fr;
  gap: 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.time {
  color: var(--coral);
  font-size: 14px;
  font-weight: 800;
}

.award-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
}

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

.award-list article {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 16px;
  min-height: 74px;
  padding: 18px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.award-list span {
  color: var(--blue);
  font-weight: 900;
}

.award-list p {
  margin-bottom: 0;
  color: var(--muted);
}

.service-panel {
  padding: 24px;
}

.skill-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.skill-cloud span {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  padding: 8px 12px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: #33464b;
  font-size: 14px;
  font-weight: 700;
}

.contact-section {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: center;
  max-width: var(--max);
  margin: 0 auto 72px;
  padding: 46px 24px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.contact-copy {
  max-width: 620px;
}

.contact-copy h2 {
  margin-bottom: 16px;
}

.contact-link {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  color: #ffffff;
  background: var(--blue);
  border-radius: 6px;
  font-weight: 850;
  transition: transform 0.18s ease;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  max-width: var(--max);
  margin: 0 auto;
  padding: 28px 24px 44px;
  color: var(--muted);
  font-size: 14px;
}

.site-footer p {
  margin-bottom: 0;
}

.site-footer a {
  font-weight: 800;
  transition: transform 0.18s ease;
}

@media (max-width: 980px) {
  .hero {
    min-height: 620px;
  }

  .hero-copy {
    min-height: 620px;
  }

  h1 {
    font-size: 48px;
  }

  h2 {
    font-size: 32px;
  }

  .snapshot,
  .research-grid,
  .publication-list,
  .award-layout,
  .two-column,
  .contact-section {
    grid-template-columns: 1fr 1fr;
  }

  .section-heading.split {
    display: block;
  }

  .section-note {
    margin-top: 14px;
  }

  .contact-section {
    align-items: start;
  }
}

@media (max-width: 760px) {
  .site-header {
    min-height: 64px;
    padding: 10px 16px;
  }

  .menu-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 1px);
    right: 16px;
    left: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 10px;
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
  }

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

  .site-nav a {
    min-height: 42px;
  }

  .hero {
    min-height: 600px;
  }

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

  .hero::after {
    background: rgba(255, 255, 255, 0.42);
  }

  .hero-copy {
    width: min(560px, calc(100% - 32px));
    min-height: 600px;
    margin-left: 16px;
    padding: 56px 0 84px;
  }

  h1 {
    font-size: 42px;
  }

  .lead {
    font-size: 18px;
  }

  .snapshot {
    grid-template-columns: 1fr 1fr;
    margin-top: -34px;
    padding: 0 16px;
  }

  .metric:first-child,
  .metric:last-child {
    border-radius: 8px;
  }

  .metric {
    min-height: 104px;
    border-radius: 8px;
  }

  .section {
    padding: 72px 16px;
  }

  .research-grid,
  .publication-list,
  .award-layout,
  .two-column,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .award-list article {
    grid-template-columns: 74px 1fr;
  }

  .contact-section {
    margin-bottom: 48px;
    padding: 38px 16px;
  }

  .contact-link {
    width: 100%;
  }

  .site-footer {
    display: block;
    padding: 24px 16px 38px;
  }

  .site-footer a {
    display: inline-block;
    margin-top: 12px;
  }
}

@media (max-width: 430px) {
  body {
    font-size: 15px;
  }

  .brand-text {
    display: none;
  }

  h1 {
    font-size: 36px;
  }

  h2 {
    font-size: 28px;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

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

  .publication-card,
  .research-card,
  .service-panel {
    padding: 20px;
  }
}