:root {
  --ncl-blue: #003a70;
  --ncl-blue-dark: #06233f;
  --ncl-accent: #00a9e0;
  --ncl-gold: #ffb81c;
  --ink: #172435;
  --muted: #5f6d7c;
  --line: #d8e3ec;
  --wash: #f5f8fb;
  --white: #ffffff;
  --shadow: 0 20px 60px rgba(6, 35, 63, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.55;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 72px);
  background: rgba(255, 255, 255, 0.93);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ncl-blue);
  font-weight: 700;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: var(--white);
  background: var(--ncl-blue);
  font-size: 14px;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
}

nav a,
.footer-links a,
.publication-widget a {
  text-decoration: none;
}

nav a:hover,
.footer-links a:hover,
.publication-widget a:hover {
  color: var(--ncl-blue);
  text-decoration: underline;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: clamp(32px, 6vw, 86px);
  align-items: center;
  min-height: min(760px, calc(82vh - 79px));
  padding: clamp(42px, 7vw, 84px) clamp(20px, 5vw, 72px);
  color: var(--white);
  background:
    linear-gradient(110deg, rgba(6, 35, 63, 0.96), rgba(0, 58, 112, 0.9)),
    url("https://www.ncl.ac.uk/media/wwwnclacuk/studentenquiries/images/Campus%20view%20from%20above.jpg");
  background-position: center;
  background-size: cover;
}

.hero-content {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--ncl-accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

h1 {
  max-width: 780px;
  margin-bottom: 18px;
  font-size: clamp(34px, 4.6vw, 58px);
  line-height: 1.08;
  letter-spacing: 0;
}

h2 {
  font-size: clamp(27px, 3.4vw, 42px);
  line-height: 1.16;
  letter-spacing: 0;
}

h3 {
  font-size: 21px;
  line-height: 1.25;
}

.hero-copy {
  max-width: 620px;
  color: #d8e8f5;
  font-size: clamp(17px, 1.7vw, 20px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid transparent;
  font-weight: 700;
  text-decoration: none;
}

.button.primary {
  color: var(--ncl-blue-dark);
  background: var(--ncl-gold);
}

.button.secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.45);
}

.profile-panel {
  padding: 24px;
  background: rgba(255, 255, 255, 0.94);
  color: var(--ink);
  box-shadow: 0 12px 34px rgba(6, 35, 63, 0.1);
}

.profile-panel img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-bottom: 8px solid var(--ncl-accent);
}

.profile-panel h2 {
  margin: 22px 0 4px;
  color: var(--ncl-blue);
  font-size: 28px;
}

.profile-panel dl {
  display: grid;
  gap: 14px;
  margin: 24px 0 0;
}

.profile-panel dt {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.profile-panel dd {
  margin: 3px 0 0;
  font-weight: 700;
}

.section {
  padding: clamp(58px, 8vw, 108px) clamp(20px, 5vw, 72px);
}

.intro,
.two-column {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(28px, 6vw, 80px);
}

.intro-copy,
.timeline {
  color: var(--muted);
  font-size: 18px;
}

.leadership-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  padding-top: 0;
  background: var(--line);
}

.leadership-grid article {
  padding: clamp(24px, 4vw, 42px);
  background: var(--white);
}

.leadership-grid span {
  color: var(--ncl-accent);
  font-weight: 800;
}

.timeline {
  display: grid;
  gap: 1px;
  background: var(--line);
}

.timeline div {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 24px;
  padding: 22px;
  background: var(--white);
}

.timeline strong {
  color: var(--ncl-blue);
}

.research {
  background: var(--wash);
}

.section-heading {
  max-width: 780px;
  margin-bottom: 36px;
}

.section-heading p:last-child {
  color: var(--muted);
  font-size: 18px;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 34px;
}

.metrics article {
  padding: 26px;
  background: var(--white);
  border-top: 5px solid var(--ncl-accent);
  box-shadow: 0 10px 30px rgba(6, 35, 63, 0.08);
}

.metrics span {
  display: block;
  color: var(--ncl-blue);
  font-size: clamp(38px, 6vw, 58px);
  font-weight: 800;
  line-height: 1;
}

.metrics p {
  margin: 10px 0 0;
  font-weight: 700;
}

.metrics small,
.publication-list small,
.refresh-note {
  color: var(--muted);
}

.research-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.7fr) minmax(0, 1.3fr);
  gap: 24px;
}

.focus-list,
.publication-widget {
  background: var(--white);
  box-shadow: 0 10px 30px rgba(6, 35, 63, 0.08);
}

.focus-list {
  padding: 30px;
}

.focus-list ul {
  padding-left: 18px;
  color: var(--muted);
}

.focus-list li + li {
  margin-top: 10px;
}

.publication-widget {
  padding: 0;
}

.widget-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 28px;
  border-bottom: 1px solid var(--line);
}

.widget-header h3 {
  margin: 0 0 4px;
}

.widget-header p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.widget-header a {
  color: var(--ncl-blue);
  font-weight: 700;
}

.publication-controls {
  display: inline-grid;
  grid-template-columns: repeat(2, minmax(112px, 1fr));
  padding: 4px;
  background: var(--wash);
  border: 1px solid var(--line);
}

.publication-toggle {
  min-height: 36px;
  padding: 8px 12px;
  color: var(--muted);
  background: transparent;
  border: 0;
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.publication-toggle.active {
  color: var(--white);
  background: var(--ncl-blue);
}

.publication-toggle:focus-visible {
  outline: 3px solid rgba(0, 169, 224, 0.35);
  outline-offset: 2px;
}

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

.publication-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 110px;
  gap: 18px;
  padding: 22px 28px;
  background: var(--white);
}

.publication-list h4 {
  margin-bottom: 6px;
  color: var(--ncl-blue-dark);
  font-size: 17px;
}

.publication-list p {
  margin-bottom: 3px;
  color: var(--muted);
}

.publication-list span {
  color: var(--ncl-blue);
  font-weight: 800;
  text-align: right;
}

.publication-list em {
  color: var(--muted);
  font-size: 12px;
  font-style: normal;
  font-weight: 400;
}

.refresh-note {
  margin: 0;
  padding: 16px 28px 24px;
  font-size: 14px;
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 32px;
  padding: 42px clamp(20px, 5vw, 72px);
  color: var(--white);
  background: var(--ncl-blue-dark);
}

.site-footer h2 {
  margin-bottom: 8px;
  font-size: 26px;
}

.site-footer p {
  margin: 0;
  color: #bfd4e4;
}

.footer-links {
  display: grid;
  gap: 8px;
  color: #d8e8f5;
}

@media (max-width: 900px) {
  .site-header,
  .site-footer,
  .hero,
  .intro,
  .two-column,
  .research-layout {
    grid-template-columns: 1fr;
  }

  .site-header {
    align-items: flex-start;
  }

  .leadership-grid,
  .metrics {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .profile-panel {
    max-width: 460px;
  }
}

@media (max-width: 560px) {
  .site-header {
    position: static;
  }

  nav {
    gap: 10px 14px;
  }

  .timeline div,
  .publication-list li {
    grid-template-columns: 1fr;
  }

  .publication-list span {
    text-align: left;
  }

  .widget-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .publication-controls {
    width: 100%;
  }
}