:root {
  --ink: #18202a;
  --muted: #5d6875;
  --soft: #f3f5f7;
  --line: #dfe4ea;
  --white: #ffffff;
  --blue: #244c7a;
  --blue-dark: #173656;
  --green: #4f7f62;
  --gold: #c49a35;
  --orange: #b76b45;
  --shadow: 0 18px 52px rgba(18, 32, 48, 0.09);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background: #f8f9fa;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
}

a {
  color: var(--blue-dark);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

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

h1 {
  margin-bottom: 16px;
  font-size: clamp(1.55rem, 2.25vw, 2.05rem);
  line-height: 1.16;
  letter-spacing: 0;
  font-weight: 760;
}

.hero-logo-row {
  display: flex;
  align-items: center;
  gap: 14px;
  max-width: 720px;
  margin-bottom: 14px;
}

.hero-logo-title {
  max-width: 560px;
  margin-bottom: 0;
}

.hero-logo-title img {
  width: 100%;
  height: auto;
  display: block;
}

h2 {
  margin-bottom: 12px;
  font-size: clamp(1.08rem, 1.45vw, 1.34rem);
  line-height: 1.3;
  font-weight: 700;
}

h3 {
  margin-bottom: 8px;
  font-size: 0.98rem;
  line-height: 1.3;
  font-weight: 700;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 22px;
  padding: 14px clamp(16px, 4vw, 54px);
  background: rgba(248, 249, 250, 0.95);
  border-bottom: 1px solid rgba(223, 228, 234, 0.95);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--blue-dark);
  font-size: 0.98rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.brand-mark {
  width: 38px;
  height: auto;
  display: block;
}

.brand:hover {
  text-decoration: none;
}

.brand-wordmark {
  display: inline-flex;
  align-items: baseline;
  gap: 1px;
}

.brand-wordmark span:nth-child(1) {
  color: #1e6fb8;
}

.brand-wordmark span:nth-child(2) {
  color: #d8952f;
}

.brand-wordmark span:nth-child(3) {
  color: #4f8a5f;
}

.brand-wordmark span:nth-child(4) {
  color: #1766b1;
}

.brand-wordmark span:nth-child(5) {
  margin-left: 3px;
  color: var(--blue-dark);
}

.menu-toggle {
  display: none;
}

.main-nav {
  justify-self: end;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 4px;
}

.nav-link {
  padding: 8px 10px;
  border-radius: 7px;
  color: #41576b;
  font-size: 0.88rem;
  font-weight: 720;
}

.nav-link:hover {
  color: var(--blue-dark);
  text-decoration: none;
}

.nav-link.active {
  color: var(--white);
  background: var(--blue-dark);
}

main {
  width: min(1200px, calc(100% - 36px));
  margin: 0 auto;
  padding: 46px 0 52px;
}

.page-panel {
  display: none;
}

.page-panel.active {
  display: block;
}

.hero {
  min-height: 380px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.38fr);
  align-items: center;
  gap: clamp(22px, 4vw, 46px);
}

.hero-copy {
  max-width: 900px;
}

.home-profile-photo {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 12px 32px rgba(18, 32, 48, 0.06);
}

.home-profile-photo img {
  width: 100%;
  aspect-ratio: 4 / 4.6;
  display: block;
  object-fit: cover;
}

.hero-actions {
  margin-top: 24px;
}

.home-lab-logo {
  max-width: 300px;
  margin-bottom: 16px;
}

.home-lab-logo img {
  width: 100%;
  height: auto;
  display: block;
}

.text-link {
  display: inline-flex;
  margin-top: 10px;
  font-weight: 760;
}

.lab-logo-line {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: nowrap;
  margin-bottom: 22px;
}

.lab-page-logo {
  width: min(78%, 500px);
  height: auto;
  display: block;
}

.pronunciation {
  flex-shrink: 0;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 700;
  white-space: nowrap;
}

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

.lab-mission-grid article {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 12px 32px rgba(18, 32, 48, 0.06);
}

.page-hero {
  max-width: 900px;
  margin-bottom: 34px;
}

.page-hero.compact h1 {
  font-size: clamp(1.45rem, 2vw, 1.9rem);
}

.lead {
  max-width: 760px;
  color: var(--muted);
  font-size: clamp(1rem, 1.15vw, 1.1rem);
  line-height: 1.62;
}

.acronym-line {
  max-width: 760px;
  margin: -4px 0 18px;
  color: #345268;
  font-size: clamp(1.18rem, 2.2vw, 1.8rem);
  font-weight: 700;
  line-height: 1.35;
}

.acronym-line strong {
  color: var(--blue-dark);
  font-weight: 900;
}

.eyebrow {
  margin-bottom: 12px;
  color: var(--blue-dark);
  font-size: 0.76rem;
  font-weight: 760;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
}

.hero-meta span,
.hero-meta a {
  padding: 7px 10px;
  border: 1px solid rgba(36, 76, 122, 0.16);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.84);
  color: #34475a;
  font-size: 0.88rem;
  font-weight: 740;
}

.hero-meta a:hover {
  color: var(--blue-dark);
  text-decoration: none;
  border-color: rgba(36, 76, 122, 0.35);
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 17px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  color: var(--ink);
  font-weight: 760;
  box-shadow: 0 8px 18px rgba(18, 32, 48, 0.05);
}

.button:hover {
  border-color: rgba(36, 76, 122, 0.35);
  text-decoration: none;
}

.button.primary {
  color: var(--white);
  background: var(--blue);
  border-color: var(--blue);
}

.profile-card,
.text-block,
.news-panel,
.theme-grid article,
.person-card,
.publication,
.join-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 12px 32px rgba(18, 32, 48, 0.06);
}

.profile-card {
  overflow: hidden;
}

.profile-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}

.profile-card div {
  padding: 24px;
}

.profile-card p:last-child,
.text-block p:last-child,
.news-panel li:last-child {
  margin-bottom: 0;
}

.compact-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 18px;
  font-weight: 740;
}

.compact-links.row {
  flex-direction: row;
  flex-wrap: wrap;
}

.profile-facts {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
}

.profile-facts div {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.profile-facts dt {
  color: var(--muted);
  font-weight: 740;
}

.profile-facts dd {
  margin: 0;
  text-align: right;
}

.profile-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.profile-actions a {
  padding: 7px 10px;
  border: 1px solid rgba(36, 76, 122, 0.18);
  border-radius: 999px;
  background: rgba(36, 76, 122, 0.06);
  color: var(--blue-dark);
  font-size: 0.84rem;
  font-weight: 740;
}

.profile-actions a:hover {
  text-decoration: none;
  background: rgba(36, 76, 122, 0.11);
}

.home-grid,
.content-grid,
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: 22px;
  margin: 22px 0;
}

.home-grid .wide {
  grid-column: auto;
}

.text-block,
.news-panel {
  padding: clamp(22px, 3vw, 34px);
}

.wide {
  grid-column: 1 / -1;
}

.section-band {
  margin-top: 30px;
  padding: clamp(24px, 4vw, 42px);
  border-top: 4px solid var(--blue);
  background: rgba(255, 255, 255, 0.7);
}

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

.section-heading.flush {
  margin-bottom: 14px;
}

.section-heading p {
  max-width: 560px;
  color: var(--muted);
}

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

.news-list li {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  color: #334a5d;
}

.news-list time,
.pub-year,
.project-kicker {
  color: var(--orange);
  font-weight: 760;
}

.news-badge {
  display: inline-flex;
  align-items: center;
  min-height: 20px;
  padding: 2px 7px;
  margin-right: 6px;
  border-radius: 999px;
  background: var(--blue-dark);
  color: var(--white);
  font-size: 0.68rem;
  font-weight: 760;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.article-list {
  display: grid;
  gap: 14px;
}

.news-card {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 22px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 12px 32px rgba(18, 32, 48, 0.06);
}

.news-card.featured {
  border-top: 4px solid var(--blue);
}

.news-date {
  margin: 0;
  color: var(--orange);
  font-weight: 760;
}

.timeline-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.timeline-list li {
  display: grid;
  grid-template-columns: 86px 1fr;
  gap: 18px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.timeline-list li:last-child {
  border-bottom: 0;
}

.timeline-list time {
  color: var(--blue-dark);
  font-weight: 760;
}

.theme-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.theme-grid article {
  padding: 22px;
}

.theme-grid article:nth-child(1) {
  border-top: 4px solid var(--blue);
}

.theme-grid article:nth-child(2) {
  border-top: 4px solid var(--green);
}

.theme-grid article:nth-child(3) {
  border-top: 4px solid var(--gold);
}

.theme-grid article:nth-child(4) {
  border-top: 4px solid var(--orange);
}

.research-areas {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.62);
}

.research-area {
  display: grid;
  grid-template-columns: 52px 1fr;
  column-gap: 18px;
  min-height: 190px;
  padding: 26px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.82);
}

.area-index {
  margin: 0;
  color: var(--orange);
  font-size: 0.88rem;
  font-weight: 760;
}

.research-area h2 {
  margin-bottom: 8px;
}

.research-area p:not(.area-index) {
  grid-column: 2;
  margin-bottom: 0;
  color: var(--muted);
}

.people-layout {
  display: grid;
  gap: 18px;
}

.person-card {
  padding: 24px;
}

.person-card.pi {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 28px;
  align-items: start;
}

.person-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 8px;
}

.people-facts {
  max-width: 520px;
}

.pi-profile-grid {
  display: grid;
  gap: 18px;
}

.pi-profile-grid section {
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.pi-profile-grid h3 {
  margin-bottom: 8px;
  color: var(--blue-dark);
}

.profile-list {
  display: grid;
  gap: 8px;
  padding-left: 18px;
  margin: 0;
  color: var(--muted);
}

.people-section {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 12px 32px rgba(18, 32, 48, 0.06);
}

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

.student-card {
  display: grid;
  grid-template-columns: 82px 1fr;
  gap: 16px;
  align-items: center;
  padding: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.student-photo {
  width: 76px;
  height: 76px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 2px solid var(--line);
  border-radius: 50%;
  background: var(--soft);
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 740;
}

.student-photo span {
  font-size: 1.4rem;
  line-height: 1;
}

.student-photo.photo-jude {
  background:
    url("assets/people/jude-koeing.png") center 28% / cover no-repeat,
    var(--soft);
}

.student-photo.photo-richie {
  background:
    url("assets/people/richiwhite.jpeg") center 30% / cover no-repeat,
    var(--soft);
}

.student-card > div:last-child {
  padding: 0;
}

.student-role {
  margin-bottom: 6px;
  color: var(--blue-dark);
  font-size: 0.72rem;
  font-weight: 760;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.student-card h3 {
  margin-bottom: 8px;
}

.student-card p:last-child {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.secondary-people {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  border-style: dashed;
}

.secondary-people article {
  min-height: 120px;
}

.empty-note {
  margin: 0;
  padding: 16px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  color: var(--muted);
  background: var(--soft);
}

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

.year-heading {
  margin: 26px 0 4px;
  padding-top: 10px;
  color: var(--blue-dark);
  font-size: 0.98rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.year-heading:first-child {
  margin-top: 0;
}

.publication {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 20px;
  padding: 18px 20px;
}

.publication h2 {
  font-size: 1rem;
  font-weight: 740;
}

.publication p {
  margin-bottom: 4px;
}

.publication.detailed {
  gap: 14px;
}

.action-row.compact {
  margin-top: 20px;
}

.course-list {
  display: grid;
  gap: 14px;
}

.course-card {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 22px;
  align-items: start;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 12px 32px rgba(18, 32, 48, 0.06);
}

.course-code {
  margin: 0;
  color: var(--blue-dark);
  font-size: 0.9rem;
  font-weight: 760;
}

.course-card h2 {
  margin-bottom: 4px;
  font-size: 1.04rem;
  font-weight: 740;
}

.course-card p:last-child {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.join-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.55fr);
  gap: 36px;
  align-items: start;
  padding: clamp(26px, 5vw, 54px);
}

.join-panel h1 {
  font-size: clamp(2.2rem, 4.6vw, 3.9rem);
}

.join-checklist {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.join-checklist ul {
  display: grid;
  gap: 10px;
  padding-left: 20px;
  margin-bottom: 22px;
}

.contact-card p {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.contact-card p:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(16px, 4vw, 54px);
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.site-footer p {
  margin: 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px 16px;
  font-weight: 800;
}

.footer-links a {
  color: var(--blue-dark);
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 8px 14px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    color: var(--ink);
    font: inherit;
    font-weight: 900;
  }

  .main-nav {
    grid-column: 1 / -1;
    justify-self: stretch;
    display: flex;
    padding-top: 8px;
  }

  .main-nav.open {
    display: flex;
    justify-content: flex-start;
  }

  .home-grid,
  .content-grid,
  .contact-grid,
  .join-panel {
    grid-template-columns: 1fr;
  }

  .home-grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(280px, 1.05fr);
    align-items: start;
  }

  .hero {
    grid-template-columns: minmax(0, 1fr) minmax(210px, 0.45fr);
    align-items: start;
    min-height: auto;
  }

  .home-profile-photo {
    max-width: 260px;
  }

  .theme-grid,
  .research-areas,
  .lab-mission-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 700px) {
  main {
    width: min(100% - 28px, 1200px);
    padding-top: 30px;
  }

  h1 {
    font-size: clamp(1.55rem, 8vw, 2.05rem);
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .home-profile-photo {
    max-width: 320px;
  }

  .hero-logo-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .theme-grid,
  .research-areas,
  .lab-mission-grid,
  .secondary-people,
  .home-grid,
  .person-card.pi {
    grid-template-columns: 1fr;
  }

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

  .student-card {
    grid-template-columns: 70px 1fr;
  }

  .student-photo {
    width: 64px;
    height: 64px;
  }

  .research-area {
    grid-template-columns: 42px 1fr;
    min-height: auto;
    padding: 20px;
  }

  .person-card.pi {
    grid-column: auto;
  }

  .publication {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .course-card {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .news-card,
  .timeline-list li {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .section-heading,
  .contact-card p,
  .site-footer {
    display: block;
  }

  .footer-links {
    justify-content: flex-start;
    margin-top: 12px;
  }

  .contact-card a,
  .contact-card span {
    display: block;
    margin-top: 2px;
  }
}