:root {
  color-scheme: light;
  --bg: #f4f6f2;
  --surface: #fcfdfa;
  --surface-soft: #eef3ef;
  --ink: #111816;
  --muted: #59645f;
  --line: #d7dfda;
  --line-strong: #b7c5bd;
  --shadow: 0 16px 34px rgba(17, 24, 22, 0.08);
  --shadow-soft: 0 1px 2px rgba(17, 24, 22, 0.05);
  --accent-core: #146c5b;
  --accent-cool: #285f8f;
  --accent-warm: #8a672b;
  --weiss-blue: #5b9bc5;
  --weiss-green: #99c64a;
  --weiss-orange: #f0a13a;
  --weiss-red: #b94245;
  --weiss-deep-red: #8d211c;
  --weiss-spectrum: linear-gradient(
    90deg,
    var(--weiss-blue) 0 25%,
    var(--weiss-green) 25% 50%,
    var(--weiss-orange) 50% 75%,
    var(--weiss-red) 75% 100%
  );
  --lab: #146c5b;
  --teach: #7b6541;
  --photon: #285f8f;
  --team: #555584;
  --sports: #8a672b;
  --tower: #445d72;
  --new: #1f6f77;
  --quant: #526f3d;
  --cyto: #19717c;
  --radius: 8px;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(90deg, rgba(17, 24, 22, 0.026) 1px, transparent 1px),
    linear-gradient(rgba(17, 24, 22, 0.026) 1px, transparent 1px),
    linear-gradient(180deg, #fafbf8 0%, var(--bg) 46%, #f7f8f4 100%);
  background-size: 56px 56px, 56px 56px, auto;
  color: var(--ink);
  letter-spacing: 0;
}

a {
  color: inherit;
  text-underline-offset: 3px;
}

a:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent-core) 70%, black);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -48px;
  z-index: 20;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 10px 14px;
  font-weight: 700;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 16px;
}

.anchor-alias {
  display: block;
  position: relative;
  top: -92px;
  visibility: hidden;
}

#main,
#publications,
#translation,
#web-projects,
#sports-projects {
  scroll-margin-top: 96px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(17, 24, 22, 0.1);
  background: rgba(250, 251, 248, 0.9);
  backdrop-filter: blur(20px);
}

.site-header::after {
  display: block;
  height: 3px;
  background: var(--weiss-spectrum);
  opacity: 0.82;
  content: "";
}

.site-nav,
.hero-section,
.publications-section,
.projects-section,
.page-hero,
.content-grid,
.site-footer {
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 70px;
}

.brand,
.nav-links,
.button-link {
  display: inline-flex;
  align-items: center;
}

.brand {
  gap: 12px;
  text-decoration: none;
  font-weight: 800;
}

.brand-mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 48px;
  height: 42px;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--ink), #25352f);
  color: var(--surface);
  font-size: 0.8rem;
  letter-spacing: 0;
  overflow: hidden;
}

.brand-mark::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 4px;
  background: var(--weiss-spectrum);
  content: "";
}

.nav-links {
  gap: 8px;
}

.nav-links a {
  min-height: 38px;
  border-radius: var(--radius);
  padding: 9px 12px;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  transition:
    background 0.2s ease,
    color 0.2s ease,
    border-color 0.2s ease;
}

.nav-links a:hover,
.nav-links a:focus-visible,
.nav-links a[aria-current="page"] {
  background: var(--surface);
  color: var(--ink);
  outline: none;
}

.hero-section {
  border-bottom: 1px solid var(--line);
  padding: 68px 0 34px;
}

.hero-copy {
  max-width: 850px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 780px;
  margin-bottom: 18px;
  font-size: clamp(3.35rem, 10vw, 7rem);
  line-height: 0.92;
  letter-spacing: 0;
}

h1::after {
  display: block;
  width: min(260px, 52vw);
  height: 6px;
  margin-top: 18px;
  border-radius: 999px;
  background: var(--weiss-spectrum);
  content: "";
}

h2 {
  margin-bottom: 12px;
  font-size: clamp(1.9rem, 4.6vw, 3.35rem);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 8px;
  font-size: 1.1rem;
  letter-spacing: 0;
}

p {
  color: var(--muted);
  line-height: 1.62;
}

.page-hero p {
  max-width: 740px;
  margin-bottom: 0;
  color: #39433f;
  font-size: clamp(1.08rem, 2vw, 1.35rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.projects-section {
  padding: 34px 0 58px;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 22px;
}

.section-heading h2 {
  margin-bottom: 0;
  font-size: clamp(1.6rem, 3vw, 2.25rem);
}

.work-groups {
  display: grid;
  gap: 40px;
}

.work-group {
  display: grid;
  gap: 16px;
}

.work-group-heading h3,
.work-group-heading h4 {
  margin-bottom: 0;
}

.work-group-heading h3 {
  font-size: clamp(1.6rem, 3vw, 2.25rem);
}

.work-group-heading h4 {
  font-size: clamp(1.6rem, 3vw, 2.25rem);
}

.feature-card {
  position: relative;
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 24px;
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.feature-card::before,
.project-card::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(
    90deg,
    var(--accent),
    color-mix(in srgb, var(--accent) 18%, transparent) 70%,
    transparent
  );
  content: "";
}

.accent-lab::before,
.publication-list::before,
.long-copy::before {
  background: var(--weiss-spectrum);
}

.feature-card .project-icon {
  width: 84px;
  height: 84px;
}

.feature-card .project-icon svg {
  width: 44px;
  height: 44px;
}

.feature-copy {
  display: grid;
  gap: 12px;
  min-width: 0;
}

.feature-copy p {
  max-width: 780px;
  margin-bottom: 0;
}

.project-status {
  width: fit-content;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 7%, white);
  padding: 5px 8px;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 850;
  text-transform: uppercase;
}

.feature-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
}

.feature-links a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 10px 13px;
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 850;
  text-decoration: none;
}

.feature-links a:hover,
.feature-links a:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
  outline: none;
}

.ip-callout {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.ip-callout p {
  margin-bottom: 0;
  font-size: 0.92rem;
  line-height: 1.5;
}

.innovation-section {
  display: grid;
  gap: 22px;
}

.innovation-heading {
  border-top: 1px solid var(--line);
  padding-top: 32px;
}

.jurisdiction-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.jurisdiction-tags span {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent-core) 6%, white);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 850;
}

.ip-callout::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--weiss-spectrum);
  content: "";
}

.ip-callout > span {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 0.76rem;
  font-weight: 900;
  text-transform: uppercase;
}

.patents-section {
  display: grid;
  gap: 12px;
  border-top: 1px solid var(--line);
  padding-top: 24px;
}

.patents-section .publication-note {
  margin: -4px 0 0;
}

.patent-list .publication-stats {
  background: color-mix(in srgb, var(--accent-cool) 7%, white);
}

.ip-callout {
  position: relative;
  padding: 15px 18px 15px 20px;
  overflow: hidden;
}

.jurisdiction-tags {
  margin-top: 1px;
}

.jurisdiction-tags span {
  padding: 4px 8px;
}

#web-projects {
  border-top: 1px solid var(--line);
  padding-top: 32px;
}

.text-link {
  flex: 0 0 auto;
  border-bottom: 1px solid var(--ink);
  color: var(--ink);
  font-weight: 850;
  text-decoration: none;
}

.text-link:hover,
.text-link:focus-visible {
  border-color: var(--accent-core);
  color: var(--accent-core);
  outline: none;
}

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

.publications-section {
  padding: 36px 0 58px;
}

.projects-section .publications-section {
  width: 100%;
  padding: 0;
}

.publications-section .eyebrow {
  color: var(--weiss-deep-red);
}

.publication-note {
  margin: -8px 0 18px;
  color: var(--muted);
  font-size: 0.9rem;
}

.publication-switch {
  display: grid;
  gap: 14px;
}

.publication-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.publication-toggle {
  display: inline-flex;
  width: fit-content;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 4px;
  box-shadow: var(--shadow-soft);
}

.publication-toggle label {
  min-width: 116px;
  border-radius: calc(var(--radius) - 2px);
  padding: 8px 12px;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.88rem;
  font-weight: 850;
  text-align: center;
  transition:
    background 0.2s ease,
    color 0.2s ease;
}

#publication-recent:focus-visible ~ .publication-toggle label[for="publication-recent"],
#publication-cited:focus-visible ~ .publication-toggle label[for="publication-cited"] {
  outline: 2px solid var(--accent-core);
  outline-offset: 2px;
}

#publication-recent:checked ~ .publication-toggle label[for="publication-recent"],
#publication-cited:checked ~ .publication-toggle label[for="publication-cited"] {
  background: var(--ink);
  color: var(--surface);
}

.publication-list {
  position: relative;
  display: grid;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.publication-switch .publication-panel {
  display: none;
}

#publication-recent:checked ~ .recent-panel,
#publication-cited:checked ~ .cited-panel {
  display: grid;
}

.publication-list::before {
  content: "";
  height: 3px;
}

.publication-item {
  display: grid;
  grid-template-columns: 66px minmax(0, 1fr);
  gap: 14px;
  min-height: 76px;
  border-bottom: 1px solid var(--line);
  padding: 14px 20px;
  text-decoration: none;
  transition:
    background 0.2s ease,
    box-shadow 0.2s ease;
}

.publication-item:last-child {
  border-bottom: 0;
}

.publication-item:hover,
.publication-item:focus-visible {
  background: var(--surface-soft);
  background: color-mix(in srgb, var(--accent-core) 7%, white);
  box-shadow: inset 3px 0 var(--accent-core);
  outline: none;
}

.publication-year {
  color: var(--accent-core);
  font-size: 0.86rem;
  font-weight: 850;
}

.publication-copy {
  display: grid;
  gap: 6px;
}

.publication-title {
  font-size: 1rem;
  font-weight: 850;
  line-height: 1.35;
}

.publication-authors {
  color: var(--muted);
  font-size: 0.91rem;
  line-height: 1.35;
}

.publication-detail {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 9px;
}

.publication-meta {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.publication-stats {
  width: fit-content;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent-core) 7%, white);
  padding: 4px 8px;
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 850;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

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

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

.project-card {
  position: relative;
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr) 26px;
  align-items: center;
  gap: 16px;
  min-height: 136px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 18px;
  text-decoration: none;
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.2s ease;
}

.project-card:hover,
.project-card:focus-visible {
  border-color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
  box-shadow: var(--shadow);
  outline: none;
  transform: translateY(-1px);
}

.project-icon {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border: 1px solid var(--line);
  border: 1px solid color-mix(in srgb, var(--accent) 32%, var(--line));
  border-radius: var(--radius);
  background: var(--surface-soft);
  background: color-mix(in srgb, var(--accent) 8%, white);
  color: var(--accent);
}

.project-icon svg {
  width: 31px;
  height: 31px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.65;
}

.sport-game-card {
  grid-template-columns: 58px minmax(0, 1fr) 26px;
  gap: 12px;
  min-height: 112px;
  padding: 16px;
}

.sports-card-visual {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border: 1px solid color-mix(in srgb, var(--accent) 38%, var(--line));
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent) 13%, white), white);
  color: var(--accent);
  box-shadow: inset 0 -12px 20px color-mix(in srgb, var(--accent) 10%, transparent);
}

.sports-card-visual svg {
  width: 37px;
  height: 37px;
  fill: color-mix(in srgb, var(--accent) 12%, white);
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 3.4;
}

.sports-card-rugby svg {
  transform: rotate(-7deg);
}

.sports-card-ultimate svg {
  transform: rotate(-5deg);
}

.sports-card-netball svg,
.sports-card-trihoop svg {
  fill: none;
}

.sport-game-card .project-title {
  font-size: clamp(1rem, 1.5vw, 1.16rem);
  white-space: nowrap;
}

.project-copy {
  display: grid;
  gap: 7px;
  min-width: 0;
}

.project-title {
  font-size: clamp(1.08rem, 1.8vw, 1.34rem);
  font-weight: 850;
}

.brand-buildme span {
  color: #c83a2f;
}

.project-text {
  color: var(--muted);
  line-height: 1.45;
}

.card-arrow {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--accent);
  font-size: 1.1rem;
  font-weight: 900;
}

.accent-lab {
  --accent: var(--lab);
}

.accent-teach {
  --accent: var(--teach);
}

.accent-photon {
  --accent: var(--photon);
}

.accent-team {
  --accent: var(--team);
}

.accent-sports {
  --accent: var(--sports);
}

.accent-rugby {
  --accent: #9a4d20;
}

.accent-ultimate {
  --accent: #246d7c;
}

.accent-trihoop {
  --accent: #7757a6;
}

.accent-tower {
  --accent: var(--tower);
}

.accent-new {
  --accent: var(--new);
}

.accent-quant {
  --accent: var(--quant);
}

.accent-cyto {
  --accent: var(--cyto);
}

.passive-card {
  grid-template-columns: 58px minmax(0, 1fr);
  cursor: default;
}

.passive-card:hover {
  box-shadow: var(--shadow-soft);
  transform: none;
}

.coming-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 58px;
  min-height: 30px;
  border: 1px solid color-mix(in srgb, var(--accent) 34%, var(--line));
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 8%, white);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 850;
}

.coming-soon-section {
  padding-bottom: 24px;
}

.button-link {
  justify-content: center;
  min-width: max-content;
  min-height: 46px;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  background: var(--ink);
  padding: 12px 16px;
  color: var(--surface);
  font-weight: 800;
  text-decoration: none;
  box-shadow: var(--shadow-soft);
  transition:
    background 0.2s ease,
    color 0.2s ease,
    box-shadow 0.2s ease;
}

.button-link:hover,
.button-link:focus-visible {
  background: transparent;
  color: var(--ink);
  box-shadow: none;
  outline: none;
}

.secondary-link {
  border-color: var(--line-strong);
  background: var(--surface);
  color: var(--ink);
}

.secondary-link:hover,
.secondary-link:focus-visible {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--surface);
}

.page-hero {
  padding: 72px 0 42px;
}

.page-hero.compact {
  padding-bottom: 24px;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(260px, 0.6fr);
  gap: 28px;
  padding: 18px 0 66px;
}

.content-grid.single-feature {
  grid-template-columns: minmax(0, 760px);
}

.long-copy {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 28px;
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.long-copy::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 3px;
  content: "";
}

.long-copy h2 {
  font-size: clamp(1.6rem, 3vw, 2.3rem);
}

.long-copy p:last-child {
  margin-bottom: 0;
}

.credential-block {
  margin-top: 26px;
  border-top: 1px solid var(--line);
  padding-top: 22px;
}

.credential-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.55;
}

.expertise-band {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto 64px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 38px 0 42px;
}

.expertise-band h2 {
  max-width: 760px;
  font-size: clamp(1.8rem, 4vw, 3rem);
}

.tag-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.tag-grid span {
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(252, 253, 250, 0.84);
  padding: 9px 13px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 750;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid rgba(17, 24, 22, 0.12);
  padding: 26px 0 36px;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}

.site-footer a {
  font-weight: 800;
  text-decoration: none;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--ink);
  outline: none;
}

@media (max-width: 820px) {
  .site-nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
  }

  .nav-links {
    width: 100%;
    flex-wrap: wrap;
  }

  .nav-links a {
    flex: 0 0 auto;
    justify-content: center;
  }

  .hero-section {
    padding-top: 48px;
  }

  .section-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .project-grid,
  .project-grid.three-up,
  .project-grid.four-up,
  .content-grid {
    grid-template-columns: 1fr;
  }

  .button-link {
    width: 100%;
  }

  .hero-actions .button-link {
    width: auto;
    min-width: 148px;
  }

  .feature-card {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .site-nav,
  .hero-section,
  .publications-section,
  .projects-section,
  .page-hero,
  .content-grid,
  .expertise-band,
  .site-footer {
    width: min(100% - 28px, 1120px);
  }

  h1 {
    font-size: clamp(3rem, 18vw, 4.6rem);
  }

  .nav-links a {
    flex: 1 1 auto;
  }

  .publication-toggle {
    width: 100%;
  }

  .publication-toggle label {
    flex: 1 1 0;
    min-width: 0;
  }

  .project-card {
    grid-template-columns: 52px minmax(0, 1fr);
    min-height: 142px;
    gap: 14px;
    padding: 18px;
  }

  .sport-game-card {
    grid-template-columns: 58px minmax(0, 1fr);
    min-height: 108px;
  }

  .project-icon {
    width: 52px;
    height: 52px;
  }

  .sports-card-visual {
    width: 58px;
    height: 52px;
  }

  .sports-card-visual svg {
    width: 35px;
    height: 35px;
  }

  .project-icon svg {
    width: 28px;
    height: 28px;
  }

  .card-arrow {
    display: none;
  }

  .publication-item {
    grid-template-columns: 1fr;
    gap: 8px;
    min-height: auto;
  }

  .coming-label {
    grid-column: 2;
    justify-self: start;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-links {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }
}