* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: #111;
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
  background: #fff;
}

a {
  color: inherit;
}

.site-header {
  min-height: 92px;
  padding: 0 6.5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #e8e8e8;
  background: #fff;
}

.header-logo img {
  display: block;
  height: 40px;
  max-width: 250px;
  width: auto;
}

.main-nav {
  display: flex;
  gap: 34px;
  align-items: center;
}

.main-nav a {
  text-decoration: none;
  font-size: 14px;
  color: #1b1b1b;
}

.main-nav a:hover {
  color: #004a98;
}

.hero {
  min-height: 650px;
  display: flex;
  align-items: center;
  padding: 100px 8%;
  background: #f5f7fa;
}

.hero-inner {
  max-width: 920px;
}

.eyebrow {
  margin: 0 0 22px;
  color: #004a98;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2.2px;
}

.eyebrow.light {
  color: #9fc4ed;
}

.hero h1,
.page-hero h1 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  letter-spacing: -1.8px;
  line-height: 1.05;
}

.hero h1 {
  font-size: 70px;
  margin: 0 0 28px;
  max-width: 900px;
}

.hero-lead {
  font-size: 20px;
  line-height: 1.7;
  color: #555;
  max-width: 700px;
  margin: 0 0 35px;
}

.hero-actions {
  display: flex;
  gap: 30px;
  align-items: center;
}

.button {
  display: inline-block;
  background: #004a98;
  color: #fff;
  text-decoration: none;
  padding: 14px 24px;
  font-size: 14px;
  font-weight: 700;
}

.button:hover {
  background: #003a78;
}

.button-light {
  background: #fff;
  color: #004a98;
}

.text-link {
  text-decoration: none;
  color: #004a98;
  font-size: 14px;
  font-weight: 700;
}

.text-link span {
  margin-left: 8px;
}

.section {
  max-width: 1200px;
  margin: auto;
  padding: 105px 6.5%;
}

.section.narrow {
  max-width: 1200px;
}

.section-label {
  font-size: 12px;
  letter-spacing: 2px;
  font-weight: 700;
  color: #777;
  margin-bottom: 45px;
}

.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
}

.intro-grid h2,
.split h2 {
  font: 400 45px/1.15 Georgia, "Times New Roman", serif;
  letter-spacing: -1px;
  margin: 0;
}

.intro-grid p {
  font-size: 17px;
  color: #555;
  line-height: 1.8;
  margin-top: 0;
  margin-bottom: 22px;
}

.dark-band {
  background: #004a98;
  color: #fff;
}

.area-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 60px;
}

.area-grid span,
.card-number,
.research-list article > span,
.solution-grid article > span,
.project-row > span {
  font-size: 12px;
  letter-spacing: 1px;
  opacity: 0.7;
}

.area-grid h3 {
  font: 400 28px Georgia, "Times New Roman", serif;
  margin: 16px 0 10px;
}

.area-grid p {
  color: #d7e5f3;
  margin: 0;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  margin-bottom: 45px;
}

.section-heading h2,
.section h2 {
  font: 400 45px/1.15 Georgia, "Times New Roman", serif;
  letter-spacing: -1px;
  margin: 0;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.research-card {
  position: relative;
  min-height: 310px;
  padding: 32px;
  border: 1px solid #ddd;
  text-decoration: none;
  transition: 0.2s ease;
}

.research-card:hover {
  transform: translateY(-4px);
  border-color: #004a98;
}

.research-card h3 {
  font: 400 29px/1.2 Georgia, "Times New Roman", serif;
  margin: 45px 0 16px;
}

.research-card p {
  color: #666;
  margin: 0;
  max-width: 320px;
}

.card-arrow {
  position: absolute;
  bottom: 30px;
  right: 32px;
  color: #004a98;
  font-size: 20px;
}

.cta {
  padding: 75px 8%;
  background: #004a98;
  color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
}

.cta h2 {
  font: 400 48px Georgia, "Times New Roman", serif;
  margin: 0 0 10px;
}

.cta p {
  margin: 0;
  color: #d7e5f3;
}

.page-hero {
  padding: 105px 8%;
  background: #f5f7fa;
}

.page-hero > div {
  max-width: 850px;
}

.page-hero h1 {
  font-size: 68px;
  margin: 0 0 25px;
}

.page-hero p:not(.eyebrow) {
  font-size: 19px;
  color: #555;
  max-width: 680px;
  margin: 0;
}

.research-list {
  border-top: 1px solid #ddd;
}

.research-list article {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 30px;
  padding: 42px 0;
  border-bottom: 1px solid #ddd;
}

.research-list h2 {
  font-size: 32px;
  margin: 0 0 12px;
}

.research-list p {
  max-width: 720px;
  color: #666;
  margin: 0;
}

.section-gray {
  max-width: none;
  background: #f7f7f7;
}

.section-gray > * {
  max-width: 1080px;
  margin-left: auto;
  margin-right: auto;
}

.solution-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: #ddd;
  border: 1px solid #ddd;
}

.solution-grid article {
  background: #fff;
  padding: 50px;
  min-height: 260px;
}

.solution-grid h2 {
  font-size: 30px;
  margin: 35px 0 12px;
}

.solution-grid p {
  color: #666;
  margin: 0;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
}

.split > p {
  font-size: 18px;
  color: #555;
  margin: 0;
}

.project-list {
  border-top: 1px solid #ddd;
}

.project-row {
  display: grid;
  grid-template-columns: 80px 1fr 40px;
  gap: 30px;
  align-items: start;
  padding: 45px 0;
  border-bottom: 1px solid #ddd;
  text-decoration: none;
}

.project-row:hover h2 {
  color: #004a98;
}

.project-row h2 {
  font-size: 34px;
  margin: 4px 0 12px;
}

.project-row p {
  color: #666;
  margin: 0;
  max-width: 700px;
}

.project-type,
.publication-type {
  font-size: 11px !important;
  letter-spacing: 1.7px;
  color: #004a98 !important;
  font-weight: 700;
}

.project-row strong {
  color: #004a98;
  font-size: 20px;
}

.publication-list {
  border-top: 1px solid #ddd;
}

.publication-list article {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 30px;
  padding: 45px 0;
  border-bottom: 1px solid #ddd;
}

.publication-year {
  font: 400 28px Georgia, "Times New Roman", serif;
}

.publication-list h2 {
  font-size: 31px;
  margin: 6px 0;
}

.publication-list p:not(.publication-type) {
  color: #666;
  margin: 0 0 20px;
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 50px;
}

.principle-grid h2 {
  font-size: 30px;
  margin-bottom: 12px;
}

.principle-grid p {
  color: #666;
  margin: 0;
}

.site-footer {
  background: #004a98;
  color: #fff;
}

.footer-top {
  max-width: 1200px;
  min-height: 250px;
  margin: auto;
  padding: 55px 6.5%;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 50px;
}

.footer-logo img {
  height: 40px;
  max-width: 250px;
  width: auto;
  display: block;
}

.footer-brand p {
  color: #d7e5f3;
  max-width: 360px;
  margin-top: 22px;
}

.footer-column {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-column h3 {
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin: 0 0 10px;
  color: #9fc4ed;
}

.footer-column a {
  font-size: 14px;
  color: #fff;
  text-decoration: none;
}

.footer-column a:hover {
  text-decoration: underline;
}

.footer-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.25);
  margin: 0 6.5%;
}

.footer-bottom {
  min-height: 100px;
  padding: 28px 6.5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  color: #d7e5f3;
  font-size: 12px;
}

.footer-legal a {
  color: #d7e5f3;
  text-decoration: none;
}

.social-links {
  display: flex;
  gap: 16px;
}

.social-links a {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  display: grid;
  place-items: center;
}

.social-links svg {
  width: 17px;
  height: 17px;
  fill: #fff;
}

.social-links a:hover {
  background: rgba(255, 255, 255, 0.12);
}

@media (max-width: 800px) {
  .site-header {
    padding: 18px 5%;
    flex-direction: column;
    gap: 18px;
  }
  .header-logo img {
    height: 52px;
  }
  .main-nav {
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
  }
  .hero {
    min-height: 560px;
    padding: 75px 7%;
  }
  .hero h1 {
    font-size: 48px;
  }
  .page-hero {
    padding: 75px 7%;
  }
  .page-hero h1 {
    font-size: 50px;
  }
  .section {
    padding: 75px 7%;
  }
  .intro-grid,
  .split {
    grid-template-columns: 1fr;
    gap: 35px;
  }
  .area-grid,
  .card-grid,
  .principle-grid {
    grid-template-columns: 1fr;
  }
  .solution-grid {
    grid-template-columns: 1fr;
  }
  .cta {
    padding: 60px 7%;
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
    padding: 45px 7%;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
  .footer-bottom {
    padding: 25px 7%;
    flex-direction: column;
    align-items: flex-start;
  }
  .research-list article,
  .project-row,
  .publication-list article {
    grid-template-columns: 50px 1fr;
    gap: 18px;
  }
  .project-row strong {
    display: none;
  }
}

@media (max-width: 520px) {
  .main-nav {
    gap: 11px;
  }
  .main-nav a {
    font-size: 12px;
  }
  .hero h1 {
    font-size: 40px;
  }
  .hero-lead {
    font-size: 17px;
  }
  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }
  .section-heading {
    display: block;
  }
  .section-heading .text-link {
    display: inline-block;
    margin-top: 20px;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .footer-brand {
    grid-column: auto;
  }
  .footer-bottom {
    gap: 20px;
  }
  .footer-legal {
    gap: 10px 18px;
  }
}