@import url("https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800&display=swap");

:root {
  color-scheme: light;
  --ink: #2b2c2e;
  --muted: #60676b;
  --blue: #20c5f5;
  --blue-strong: #0aa8d6;
  --line: #e7e9ea;
  --pale: #f3f5f6;
  --content: 1180px;
  --font-body: "Montserrat", "Avenir Next", Avenir, "Segoe UI", sans-serif;
  --font-brand: "Cygre", "Montserrat", "Avenir Next", "Segoe UI", sans-serif;
  font-family: var(--font-body);
  color: var(--ink);
  background: #fff;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.publication-pagination a {
  text-decoration: none;
}

* {
  box-sizing: border-box;
}

.person-photo-placeholder {
  display: flex;
  width: 150px;
  max-width: 100%;
  aspect-ratio: 3 / 4;
  align-items: center;
  justify-content: center;
  background: var(--pale);
  color: var(--blue-strong);
  font-size: 48px;
}

html {
  min-width: 320px;
  scroll-behavior: smooth;
}

.metric-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.metric-card {
  width: 100%;
  cursor: default;
}

.metric-card:hover {
  transform: none;
}

.entry-content > * {
  max-width: 760px;
}

.entry-content h2 {
  margin: 32px 0 12px;
  font-size: clamp(22px, 2.5vw, 30px);
  line-height: 1.35;
}

.entry-content h3 {
  margin: 24px 0 10px;
  font-size: 20px;
}

.entry-content p,
.entry-content li {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

.entry-content a {
  color: var(--blue-strong);
}

.entry-content img {
  max-width: 100%;
  height: auto;
}

.person-detail-photo img {
  width: min(260px, 100%);
  height: auto;
}

body {
  min-width: 320px;
  margin: 0;
  font-family: var(--font-body);
}

.metric-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

button,
input,
select,
textarea {
  font: inherit;
}

a {
  color: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(32, 197, 245, 0.45);
  outline-offset: 3px;
}

.site-header {
  position: sticky;
  z-index: 10;
  top: 0;
  width: 100%;
  border-bottom: 1px solid rgba(35, 36, 39, 0.08);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
}

.header-inner {
  width: min(100%, var(--content));
  min-height: 76px;
  margin: 0 auto;
  padding: 12px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand img {
  width: 32px;
  height: 37px;
  object-fit: contain;
}

.brand .custom-logo {
  width: 32px;
  height: 37px;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 1px;
  font-family: var(--font-brand);
}

.brand-copy span {
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: none;
}

.brand-copy strong {
  font-size: 17px;
  line-height: 1.1;
}

.footer-brand-title {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin: 0;
  font-family: var(--font-brand);
  font-weight: 600;
}

.footer-brand-title span {
  color: #d4d6d8;
  font-size: 11px;
  letter-spacing: 0.04em;
}

.footer-brand-title strong {
  font-size: clamp(22px, 2vw, 28px);
  line-height: 1.1;
  letter-spacing: -0.04em;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.1vw, 36px);
}

.primary-nav .menu {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.1vw, 36px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.primary-nav .menu li {
  list-style: none;
}

.nav-link {
  color: #393a3b;
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  transition: color 160ms ease;
}

.nav-link:hover,
.nav-link[aria-current="page"] {
  color: var(--blue-strong);
}

.nav-link--button {
  padding: 15px 24px;
  border-radius: 2px;
  background: var(--blue);
  color: #17333c;
}

.nav-link--button:hover,
.button--primary:hover {
  background: #10b9e9;
  color: #10282f;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: white;
  color: var(--ink);
  cursor: pointer;
}

.menu-toggle span,
.menu-toggle::before,
.menu-toggle::after {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
  content: "";
  transition: transform 160ms ease;
}

.hero {
  position: relative;
  overflow: hidden;
  background-color: #f5f7f8;
  background-position: center top;
  background-size: 60.5px 69.85px;
}

.hero-inner,
.content-wrap {
  width: min(100%, var(--content));
  margin: 0 auto;
  padding-right: 32px;
  padding-left: 32px;
}

.hero-inner {
  min-height: 380px;
  padding-top: 84px;
  padding-bottom: 76px;
}

.hero--home .hero-inner {
  min-height: 490px;
  padding-top: 72px;
}

.hero--about .hero-inner,
.hero--directions .hero-inner,
.hero--team .hero-inner {
  min-height: 460px;
  padding-top: 84px;
}

.hero--contact .hero-inner {
  min-height: 300px;
  padding-top: 74px;
}

.hero--publications .hero-inner {
  min-height: 300px;
  padding-top: 70px;
  padding-bottom: 60px;
}

.hero-copy {
  max-width: 600px;
}

.eyebrow {
  display: block;
  margin-bottom: 2px;
  color: var(--blue);
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 600;
  line-height: 1.13;
  letter-spacing: -0.035em;
}

.hero h1 {
  max-width: 620px;
  margin: 0;
  color: var(--ink);
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 600;
  line-height: 1.16;
  letter-spacing: -0.035em;
}

.hero--home h1 {
  max-width: 590px;
  font-size: clamp(36px, 4.2vw, 46px);
}

.hero-description {
  max-width: 560px;
  margin: 20px 0 0;
  color: #687075;
  font-size: 16px;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 2px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  transition:
    background-color 160ms ease,
    color 160ms ease,
    border-color 160ms ease,
    transform 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

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

.button--outline {
  border-color: var(--ink);
  background: transparent;
  color: var(--ink);
}

.button--outline:hover {
  border-color: var(--blue-strong);
  color: var(--blue-strong);
}

.section {
  padding: 84px 0;
}

.section--soft {
  background: var(--pale);
}

.section-heading {
  max-width: 650px;
  margin-bottom: 36px;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(25px, 3vw, 32px);
  font-weight: 600;
  line-height: 1.28;
  letter-spacing: -0.025em;
}

.section-heading p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.65;
}

.feature-grid,
.card-grid,
.people-grid,
.infra-grid {
  display: grid;
  gap: 24px;
}

.feature-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature {
  padding: 24px 0;
}

.feature h3,
.card h3,
.person h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.45;
}

.feature p,
.card p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 14px;
  color: var(--blue-strong);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}

.text-link:hover {
  color: #087ea1;
}

.card-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  min-height: 210px;
  padding: 28px;
  border: 1px solid var(--line);
  background: #fff;
}

.card-arrow {
  display: block;
  margin-bottom: 16px;
  color: var(--blue);
  font-size: 24px;
  line-height: 1;
}

.card .text-link {
  margin-top: 18px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: auto;
}

.tag {
  display: inline-block;
  padding: 4px 8px;
  border: 1px solid rgba(32, 197, 245, 0.38);
  border-radius: 2px;
  color: #069cc7;
  font-size: 11px;
  line-height: 1.4;
}

.people-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.person {
  min-width: 0;
}

.person img {
  display: block;
  width: 150px;
  max-width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: center top;
  background: #f4f4f4;
}

.person h3 {
  max-width: 260px;
  margin-top: 12px;
  font-size: 15px;
}

.person-role {
  margin: 4px 0 0;
  color: var(--blue-strong);
  font-size: 12px;
  font-weight: 600;
}

.person-bio {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.cta {
  padding: 55px 24px;
  background: linear-gradient(115deg, #1fc9e9 0%, #6dd6dc 65%, #c2d1d0 100%);
  text-align: center;
}

.cta h2 {
  max-width: 540px;
  margin: 0 auto;
  font-size: clamp(24px, 3vw, 30px);
  line-height: 1.35;
}

.cta p {
  max-width: 560px;
  margin: 12px auto 22px;
  color: #21444c;
  font-size: 14px;
  line-height: 1.6;
}

.cta .button {
  background: #172428;
  color: white;
}

.story-list {
  max-width: 740px;
}

.story-item + .story-item {
  margin-top: 30px;
}

.story-item h2 {
  margin: 0;
  color: var(--blue-strong);
  font-size: 19px;
  font-weight: 600;
}

.story-item p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.infra-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.infra-item {
  min-height: 112px;
  padding: 22px;
  background: #fff;
  font-size: 14px;
}

.infra-item span {
  display: block;
  margin-bottom: 17px;
  color: var(--blue-strong);
  font-size: 20px;
}

.research-grid .card {
  display: flex;
  min-height: 270px;
  flex-direction: column;
}

.research-grid .card p {
  margin-bottom: 20px;
}

.publication-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-bottom: 26px;
}

.publication-counts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 36px;
}

.publication-count {
  display: flex;
  min-width: 0;
  aspect-ratio: 1;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  padding: clamp(16px, 2.3vw, 28px);
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--pale);
  color: var(--muted);
  cursor: pointer;
  text-align: left;
  transition:
    border-color 160ms ease,
    background-color 160ms ease,
    transform 160ms ease;
}

.publication-count strong {
  color: var(--blue-strong);
  font-size: clamp(38px, 5.5vw, 64px);
  font-weight: 600;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.publication-count > span {
  max-width: 180px;
  font-size: clamp(12px, 1.2vw, 15px);
  font-weight: 600;
  line-height: 1.45;
}

.publication-count:hover {
  transform: translateY(-2px);
  border-color: rgba(32, 197, 245, 0.65);
  background: rgba(32, 197, 245, 0.07);
}

.publication-count[aria-pressed="true"] {
  border-color: var(--blue);
  background: rgba(32, 197, 245, 0.1);
}

.filter-button {
  padding: 9px 14px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  transition: 160ms ease;
}

.filter-button:hover,
.filter-button[aria-pressed="true"] {
  border-color: var(--blue);
  background: rgba(32, 197, 245, 0.07);
  color: #079fc9;
}

.publication-list {
  border-top: 1px solid var(--line);
}

.publication[hidden],
.publication-pagination[hidden] {
  display: none;
}

.publication {
  padding: 24px 12px;
  border-bottom: 1px solid var(--line);
}

.publication-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin-top: 28px;
}

.pagination-arrow:disabled {
  opacity: 0.48;
}

.pagination-arrow {
  display: inline-flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(32, 197, 245, 0.55);
  border-radius: 2px;
  background: white;
  color: var(--blue-strong);
  cursor: pointer;
  font-size: 20px;
  line-height: 1;
  transition:
    background-color 160ms ease,
    color 160ms ease,
    border-color 160ms ease;
}

.pagination-arrow:hover:not(:disabled) {
  border-color: var(--blue);
  background: rgba(32, 197, 245, 0.08);
}

.pagination-arrow:disabled {
  border-color: var(--line);
  color: #aeb4b7;
  cursor: default;
}

.pagination-status {
  min-width: 84px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.publication-meta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.publication h3 {
  margin: 12px 0 6px;
  font-size: 17px;
  line-height: 1.5;
}

.publication p {
  max-width: 720px;
  margin: 8px 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}

.publication .journal,
.publication .doi {
  color: var(--blue-strong);
  font-weight: 600;
}

.team-group + .team-group {
  margin-top: 58px;
}

.group-heading {
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  font-size: 18px;
}

.team-group .people-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 24px;
  row-gap: 36px;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 1fr);
  gap: 56px;
  align-items: start;
}

.contact-detail {
  padding: 0 0 18px;
  border-bottom: 1px solid var(--line);
}

.contact-detail + .contact-detail {
  margin-top: 18px;
}

.contact-detail span {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 12px;
}

.contact-detail strong,
.contact-detail a {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.6;
  text-decoration: none;
}

.contact-detail a:hover {
  color: var(--blue-strong);
}

.contact-info h2 {
  margin: 30px 0 14px;
  font-size: 16px;
}

.contact-info .tag-list {
  max-width: 520px;
}

.contact-form {
  padding: 32px;
  border: 1px solid var(--line);
  background: var(--pale);
}

.form-field {
  margin-bottom: 17px;
}

.form-field label {
  display: block;
  margin-bottom: 7px;
  color: #555d61;
  font-size: 12px;
  font-weight: 600;
}

.form-field input,
.form-field select,
.form-field textarea {
  display: block;
  width: 100%;
  min-height: 42px;
  padding: 10px 12px;
  border: 1px solid #d9dcdd;
  border-radius: 0;
  background: white;
  color: var(--ink);
  font-size: 14px;
}

.form-field textarea {
  min-height: 110px;
  resize: vertical;
}

.contact-form .button {
  width: 100%;
}

.form-status {
  margin: 14px 0 0;
  color: #146f45;
  font-size: 13px;
  line-height: 1.5;
}

.form-status a {
  color: #087ea1;
  font-weight: 600;
}

.site-footer {
  padding: 58px 0 20px;
  background: #222426;
  color: #f5f5f5;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr repeat(3, 1fr);
  gap: 40px;
}

.footer-column h2 {
  margin: 0 0 17px;
  font-size: 13px;
  font-weight: 600;
}

.footer-column p,
.footer-column a {
  display: block;
  margin: 0 0 11px;
  color: #bfc2c3;
  font-size: 12px;
  line-height: 1.6;
  text-decoration: none;
}

.footer-column a:hover {
  color: var(--blue);
}

.footer-column .menu {
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-column .menu li {
  list-style: none;
}

.footer-brand {
  max-width: 240px;
}

.university-logo {
  display: block;
  width: 40px;
  height: 40px;
  margin-top: 16px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 24px;
  padding-top: 17px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: #8e9294;
  font-size: 11px;
}

.empty-state {
  padding: 32px;
  border: 1px solid var(--line);
  color: var(--muted);
  text-align: center;
}

@media (max-width: 900px) {
  .header-inner {
    min-height: 70px;
    padding-right: 24px;
    padding-left: 24px;
  }

  .menu-toggle {
    display: block;
    flex: 0 0 auto;
  }

  .primary-nav {
    position: absolute;
    top: calc(100% + 1px);
    right: 0;
    left: 0;
    display: none;
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    padding: 10px 24px 20px;
    border-bottom: 1px solid var(--line);
    background: white;
  }

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

  .primary-nav .menu {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav-link {
    padding: 13px 8px;
  }

  .nav-link--button {
    margin-top: 8px;
    text-align: center;
  }

  .card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .publication-counts {
    gap: 12px;
  }

  .infra-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contact-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .header-inner {
    padding: 10px 18px;
  }

  .hero-inner,
  .content-wrap {
    padding-right: 20px;
    padding-left: 20px;
  }

  .hero-inner,
  .hero--home .hero-inner,
  .hero--about .hero-inner,
  .hero--directions .hero-inner,
  .hero--team .hero-inner,
  .hero--contact .hero-inner,
  .hero--publications .hero-inner {
    min-height: unset;
    padding-top: 58px;
    padding-bottom: 58px;
  }

  .hero--home .hero-inner {
    padding-top: 70px;
    padding-bottom: 70px;
  }

  .hero-description {
    font-size: 14px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .section {
    padding: 58px 0;
  }

  .feature-grid,
  .card-grid,
  .people-grid,
  .team-group .people-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .publication-counts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .publication-count {
    padding: 16px;
  }

  .feature-grid {
    gap: 0;
  }

  .card {
    min-height: unset;
  }

  .people-grid,
  .team-group .people-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px 18px;
  }

  .person img {
    width: min(100%, 160px);
  }

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

  .infra-item {
    min-height: 104px;
    padding: 17px;
    font-size: 12px;
  }

  .publication {
    padding: 20px 4px;
  }

  .contact-form {
    padding: 22px 18px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 34px 20px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}