:root {
  --color-ink: #1f2933;
  --color-muted: #5b6876;
  --color-soft: #f6f8fb;
  --color-white: #ffffff;
  --color-line: #dfe7ee;
  --color-blue: #2e8bff;
  --color-cyan: #19bfd0;
  --color-teal: #0f766e;
  --color-green: #35c98b;
  --color-deep: #0d1b2a;
  --shadow-soft: 0 18px 45px rgba(15, 35, 52, 0.08);
  --radius: 8px;
  --container: 1160px;
  --header-height: 108px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  margin: 0;
  color: var(--color-ink);
  background: var(--color-white);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

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

p:last-child {
  margin-bottom: 0;
}

.container {
  width: min(100% - 40px, var(--container));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: 16px;
  z-index: 100;
  transform: translateY(-160%);
  border-radius: var(--radius);
  background: var(--color-white);
  color: var(--color-ink);
  padding: 10px 14px;
  box-shadow: var(--shadow-soft);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid rgba(223, 231, 238, 0.78);
  backdrop-filter: blur(18px);
  overflow: visible;
}

.nav {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-block: 10px;
}

.brand {
  display: inline-flex;
  align-items: center;
  width: clamp(118px, 10vw, 142px);
  flex: 0 0 auto;
  overflow: visible;
}

.brand img {
  width: 100%;
  height: auto;
  aspect-ratio: 280 / 199;
  object-fit: contain;
  transform: translateX(-9.25%);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.nav-menu a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 10px;
  border-radius: var(--radius);
  color: #334155;
  font-size: 0.93rem;
  font-weight: 600;
  transition: color 160ms ease, background 160ms ease;
}

.nav-menu a:hover,
.nav-menu a:focus-visible,
.nav-menu a.is-active {
  color: #062f35;
  background: rgba(25, 191, 208, 0.1);
  outline: none;
}

.nav-menu a.nav-accent {
  min-height: 38px;
  margin-left: 4px;
  padding: 0 13px;
  border: 1px solid rgba(15, 118, 110, 0.28);
  background: rgba(15, 118, 110, 0.045);
  color: var(--color-teal);
  font-weight: 800;
  box-shadow: inset 0 -2px 0 rgba(25, 191, 208, 0.18);
}

.nav-menu a.nav-accent::after {
  margin-left: 7px;
  color: var(--color-cyan);
  font-size: 0.82rem;
  line-height: 1;
  content: "↗";
}

.nav-menu a.nav-accent:hover,
.nav-menu a.nav-accent:focus-visible,
.nav-menu a.nav-accent.is-active {
  color: #062f35;
  border-color: rgba(15, 118, 110, 0.42);
  background: rgba(25, 191, 208, 0.12);
}

.language-switcher a {
  min-height: 32px;
  padding: 0 6px;
  color: var(--color-teal);
  font-size: 0.78rem;
  font-weight: 800;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-white);
  padding: 10px;
}

.nav-toggle span:not(.sr-only) {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--color-ink);
  margin: 5px 0;
  transition: transform 160ms ease, opacity 160ms ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(4) {
  transform: translateY(-7px) rotate(-45deg);
}

.hero {
  position: relative;
  min-height: 86vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: var(--color-white);
}

.hero picture,
.hero img,
.hero-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero img {
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(5, 18, 30, 0.83) 0%, rgba(5, 18, 30, 0.58) 45%, rgba(5, 18, 30, 0.26) 100%),
    linear-gradient(0deg, rgba(5, 18, 30, 0.72) 0%, rgba(5, 18, 30, 0.08) 62%);
}

.hero-content {
  position: relative;
  z-index: 1;
    padding: calc(var(--header-height) + 90px) 0 88px;
}

.eyebrow {
  margin-bottom: 14px;
  color: var(--color-teal);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #8ff2d0;
}

.hero h1 {
  max-width: 840px;
  margin-bottom: 18px;
  font-size: clamp(2.55rem, 6.4vw, 5.45rem);
  line-height: 0.98;
  font-weight: 800;
  letter-spacing: 0;
}

.hero-lede {
  max-width: 780px;
  margin-bottom: 20px;
  color: #d8fbff;
  font-size: clamp(1.25rem, 3vw, 2rem);
  line-height: 1.25;
  font-weight: 650;
}

.hero-text {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 1.08rem;
}

.page-hero {
  padding: calc(var(--header-height) + 82px) 0 76px;
  background:
    linear-gradient(135deg, rgba(46, 139, 255, 0.1), rgba(53, 201, 139, 0.12)),
    var(--color-white);
  border-bottom: 1px solid rgba(223, 231, 238, 0.78);
}

.page-hero h1 {
  max-width: 840px;
  margin-bottom: 14px;
  color: #14212e;
  font-size: clamp(2.55rem, 6vw, 4.7rem);
  line-height: 1;
  font-weight: 800;
  letter-spacing: 0;
}

.page-subtitle {
  max-width: 760px;
  margin-bottom: 30px;
  color: #0f766e;
  font-size: clamp(1.2rem, 2.6vw, 1.76rem);
  line-height: 1.28;
  font-weight: 720;
}

.page-hero-text {
  max-width: 820px;
  color: var(--color-muted);
  font-size: 1.08rem;
}

.page-hero-text p + p {
  margin-top: 18px;
}

.page-note {
  padding-left: 18px;
  border-left: 4px solid var(--color-cyan);
  color: #334155;
  font-weight: 650;
}

.section {
  padding: 104px 0;
}

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

.collaboration-section {
  background:
    linear-gradient(180deg, #ffffff 0%, #f7fbfb 100%);
}

.collaboration-head {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
  gap: 70px;
  align-items: start;
  margin-bottom: 44px;
}

.collaboration-copy {
  color: var(--color-muted);
  font-size: 1.05rem;
}

.collaboration-copy p + p {
  margin-top: 18px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  margin-top: 28px;
  padding: 0 22px;
  border-radius: var(--radius);
  background: #0f766e;
  color: var(--color-white);
  font-weight: 800;
  box-shadow: 0 14px 30px rgba(15, 118, 110, 0.18);
  transition: transform 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  background: #0b625b;
  box-shadow: 0 18px 38px rgba(15, 118, 110, 0.24);
  outline: none;
}

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

.collaboration-card {
  min-height: 330px;
  padding: 28px;
  display: flex;
  flex-direction: column;
}

.feature-icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin-bottom: 28px;
  border: 1px solid rgba(25, 191, 208, 0.35);
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(46, 139, 255, 0.12), rgba(53, 201, 139, 0.16));
  color: #0f766e;
  font-size: 0.9rem;
  font-weight: 850;
}

.collaboration-card ul {
  display: grid;
  gap: 8px;
  padding: 0;
  margin: 18px 0 0;
  color: var(--color-muted);
  list-style: none;
}

.collaboration-card li {
  position: relative;
  padding-left: 18px;
}

.collaboration-card li::before {
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-cyan);
  content: "";
}

.institute-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 28px;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-line);
}

.intro-section {
  border-top: 1px solid rgba(223, 231, 238, 0.7);
}

.institute-strip div {
  min-height: 126px;
  padding: 26px;
  background: rgba(255, 255, 255, 0.78);
}

.institute-strip strong,
.institute-strip span {
  display: block;
}

.institute-strip strong {
  margin-bottom: 8px;
  color: #14212e;
  font-size: 1rem;
}

.institute-strip span {
  color: var(--color-muted);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
  gap: 70px;
  align-items: start;
}

.section h2 {
  max-width: 780px;
  margin-bottom: 22px;
  color: #14212e;
  font-size: clamp(2rem, 4.4vw, 3.2rem);
  line-height: 1.08;
  font-weight: 780;
  letter-spacing: 0;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 44px;
}

.section-heading p,
.section-intro,
.prose p {
  color: var(--color-muted);
  font-size: 1.04rem;
}

.prose p + p {
  margin-top: 20px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.card {
  position: relative;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-white);
  box-shadow: 0 1px 0 rgba(15, 35, 52, 0.02);
}

.research-group + .research-group {
  margin-top: 56px;
}

.research-group > h3 {
  margin: 0 0 20px;
  color: #14212e;
  font-size: 1rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.pillar-card {
  min-height: 320px;
  padding: 34px;
  overflow: hidden;
  border-color: rgba(15, 118, 110, 0.26);
  box-shadow: 0 18px 45px rgba(15, 35, 52, 0.07);
}

.pillar-card h3 {
  max-width: 260px;
  font-size: 1.38rem;
  line-height: 1.18;
}

.card-marker {
  display: block;
  width: 46px;
  height: 4px;
  margin-bottom: 34px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-blue), var(--color-cyan), var(--color-green));
}

.card h3,
.research-list h3,
.initiative-item h3,
.team-card h3 {
  margin-bottom: 12px;
  color: #14212e;
  font-size: 1.18rem;
  line-height: 1.25;
}

.card p,
.research-list p,
.initiative-item p,
.team-card p {
  color: var(--color-muted);
}

.research-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 0;
}

.research-list article {
  min-height: 218px;
  padding: 28px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-white);
}

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

.project-card {
  min-height: 290px;
  padding: 26px;
  display: flex;
  flex-direction: column;
}

.project-card h3 {
  margin-bottom: 14px;
}

.project-type {
  margin-bottom: 22px;
  color: var(--color-teal);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.stacked-cards {
  display: grid;
  gap: 16px;
}

.compact-card {
  padding: 28px;
}

.compact-card h3 span {
  display: block;
  margin-top: 6px;
  color: var(--color-teal);
  font-size: 0.82rem;
  font-weight: 800;
}

.application-section {
  background: linear-gradient(180deg, #ffffff 0%, #f7fbfb 100%);
}

.interest-panel {
  padding: 32px;
  border: 1px solid rgba(15, 118, 110, 0.18);
  border-radius: var(--radius);
  background: var(--color-white);
  box-shadow: var(--shadow-soft);
}

.interest-panel > p {
  color: var(--color-muted);
  font-size: 1.04rem;
}

.application-form {
  margin-top: 30px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.botcheck-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-field {
  display: grid;
  gap: 8px;
}

.form-field--full {
  grid-column: 1 / -1;
}

.form-field label {
  color: #14212e;
  font-size: 0.92rem;
  font-weight: 800;
}

.form-field label span {
  margin-left: 6px;
  color: var(--color-muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-white);
  color: var(--color-ink);
  font: inherit;
  line-height: 1.45;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.form-field input,
.form-field select {
  min-height: 48px;
  padding: 0 14px;
}

.form-field textarea {
  resize: vertical;
  min-height: 140px;
  padding: 12px 14px;
}

.form-field input:focus-visible,
.form-field select:focus-visible,
.form-field textarea:focus-visible {
  border-color: var(--color-cyan);
  box-shadow: 0 0 0 4px rgba(25, 191, 208, 0.16);
  outline: none;
}

.btn-submit {
  gap: 10px;
  border: 0;
  cursor: pointer;
}

.btn-submit:disabled {
  cursor: wait;
  opacity: 0.72;
  transform: none;
}

.btn-submit.is-loading .btn-loader {
  display: inline-block;
}

.btn-loader {
  display: none;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.42);
  border-top-color: var(--color-white);
  border-radius: 50%;
  animation: form-loader-spin 720ms linear infinite;
}

.form-status {
  display: block;
  min-height: 1.5em;
  margin: 16px 0 0;
  color: var(--color-muted);
  font-size: 0.96rem;
  font-weight: 700;
}

.form-status--success {
  color: var(--color-teal);
}

.form-status--error {
  color: #b42318;
}

@keyframes form-loader-spin {
  to {
    transform: rotate(360deg);
  }
}

.open-project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.empty-state-card {
  min-height: 190px;
  padding: 30px;
  border-style: dashed;
}

.empty-state-card h3 {
  margin-bottom: 12px;
}

.completed-heading {
  max-width: 860px;
}

.archive-tools {
  display: grid;
  gap: 18px;
  margin: -10px 0 44px;
  padding: 24px;
  border: 1px solid rgba(15, 118, 110, 0.14);
  border-radius: var(--radius);
  background: #f8fbff;
}

.archive-search-field {
  display: grid;
  gap: 8px;
  max-width: 520px;
}

.archive-search-field label {
  color: #14212e;
  font-size: 0.9rem;
  font-weight: 800;
}

.archive-search-field input {
  min-height: 46px;
  width: 100%;
  padding: 0 14px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-white);
  color: var(--color-ink);
  font: inherit;
}

.archive-search-field input:focus-visible,
.filter-chip:focus-visible {
  border-color: var(--color-cyan);
  box-shadow: 0 0 0 4px rgba(25, 191, 208, 0.16);
  outline: none;
}

.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-chip {
  min-height: 36px;
  border: 1px solid rgba(15, 118, 110, 0.22);
  border-radius: 999px;
  background: var(--color-white);
  color: #334155;
  padding: 0 14px;
  font: inherit;
  font-size: 0.88rem;
  font-weight: 750;
  cursor: pointer;
  transition: color 160ms ease, background 160ms ease, border-color 160ms ease;
}

.filter-chip:hover,
.filter-chip.is-active {
  border-color: rgba(15, 118, 110, 0.48);
  background: rgba(15, 118, 110, 0.09);
  color: #062f35;
}

.archive-result-count {
  min-height: 1.4em;
  margin: 0;
  color: var(--color-muted);
  font-size: 0.92rem;
  font-weight: 700;
}

.archive-empty {
  margin: -18px 0 36px;
  padding: 20px 22px;
  border: 1px dashed rgba(15, 118, 110, 0.36);
  border-radius: var(--radius);
  background: rgba(15, 118, 110, 0.04);
  color: var(--color-muted);
  font-weight: 700;
}

.completed-project-item[hidden],
.project-year-group[hidden],
.archive-empty[hidden] {
  display: none !important;
}

.completed-projects {
  display: grid;
  gap: 54px;
}

.project-year-group {
  position: relative;
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 34px;
  align-items: start;
}

.project-year-group::before {
  position: absolute;
  left: 70px;
  top: 44px;
  bottom: -54px;
  width: 2px;
  background: linear-gradient(180deg, rgba(25, 191, 208, 0.45), rgba(223, 231, 238, 0.2));
  content: "";
}

.project-year-group:last-child::before {
  bottom: 0;
}

.project-year-group > h3 {
  position: sticky;
  top: calc(var(--header-height) + 18px);
  z-index: 1;
  margin: 0;
  padding: 6px 0;
  background: var(--color-white);
  color: #0f766e;
  font-size: clamp(1.55rem, 3vw, 2.2rem);
  line-height: 1;
  font-weight: 850;
  letter-spacing: 0;
}

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

.completed-project-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) max-content;
  gap: 18px;
  align-items: start;
  padding: 24px 26px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-white);
}

.completed-project-item h4 {
  max-width: 850px;
  margin: 0 0 12px;
  color: #14212e;
  font-size: 1.08rem;
  line-height: 1.32;
  font-weight: 820;
}

.completed-project-meta {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

.completed-project-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 1px;
  color: var(--color-teal);
  font-size: 0.84rem;
  font-weight: 800;
  white-space: nowrap;
}

.completed-project-link::after {
  font-size: 0.92em;
  line-height: 1;
  content: "↗";
}

.completed-project-link:hover,
.completed-project-link:focus-visible {
  color: #0b625b;
  text-decoration: underline;
  text-underline-offset: 4px;
  outline: none;
}

.initiative-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 36px;
}

.initiative-list:where(:has(> :nth-child(odd):last-child)) {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.initiative-item {
  padding-top: 28px;
  border-top: 3px solid var(--color-cyan);
}

.text-link {
  display: inline-flex;
  margin-top: 18px;
  color: var(--color-teal);
  font-weight: 800;
}

.text-link:hover,
.text-link:focus-visible {
  color: #0b625b;
  text-decoration: underline;
  text-underline-offset: 4px;
  outline: none;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.team-card {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 150px;
  padding: 28px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-white);
  color: inherit;
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.team-card:focus-visible {
  transform: translateY(-3px);
  border-color: rgba(25, 191, 208, 0.45);
  box-shadow: var(--shadow-soft);
  outline: 3px solid rgba(25, 191, 208, 0.28);
  outline-offset: 3px;
}

.team-avatar {
  position: relative;
  display: grid;
  place-items: center;
  width: 70px;
  height: 70px;
  flex: 0 0 auto;
  overflow: hidden;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-blue), var(--color-teal), var(--color-green));
  color: var(--color-white);
  font-weight: 800;
}

.team-avatar img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.contact-section {
  background: linear-gradient(135deg, #f8fbff 0%, #eefaf7 100%);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  font-style: normal;
}

.contact-item {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 118px;
  padding: 24px;
  border: 1px solid rgba(15, 118, 110, 0.16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.78);
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.contact-item:hover,
.contact-item:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(25, 191, 208, 0.6);
  box-shadow: var(--shadow-soft);
  outline: none;
}

.contact-item span {
  color: var(--color-muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.contact-item strong {
  margin-top: 8px;
  color: #14212e;
  font-size: 1rem;
  overflow-wrap: anywhere;
}

.site-footer {
  padding: 34px 0;
  background: #111827;
  color: rgba(255, 255, 255, 0.86);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.site-footer strong {
  color: var(--color-white);
}

.site-footer p {
  margin: 4px 0 0;
  color: rgba(255, 255, 255, 0.66);
}

@media (hover: hover) {
  .card {
    transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
  }

  .card:hover {
    transform: translateY(-3px);
    border-color: rgba(25, 191, 208, 0.45);
    box-shadow: var(--shadow-soft);
  }

  .team-card:hover {
    transform: translateY(-3px);
    border-color: rgba(25, 191, 208, 0.45);
    box-shadow: var(--shadow-soft);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media (max-width: 1100px) {
  :root {
    --header-height: 102px;
  }

  .brand {
    width: clamp(112px, 22vw, 132px);
  }

  .nav-toggle {
    display: block;
  }

  .nav-menu {
    position: absolute;
    inset: var(--header-height) 20px auto;
    display: grid;
    gap: 2px;
    padding: 12px;
    border: 1px solid var(--color-line);
    border-radius: var(--radius);
    background: var(--color-white);
    box-shadow: var(--shadow-soft);
    transform-origin: top right;
    transform: scale(0.98);
    opacity: 0;
    pointer-events: none;
    transition: opacity 160ms ease, transform 160ms ease;
  }

  .nav-menu.is-open {
    transform: scale(1);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-menu a {
    justify-content: flex-start;
    min-height: 44px;
  }

  .split,
  .collaboration-head,
  .research-list,
  .initiative-list,
  .team-grid,
  .project-grid,
  .collaboration-grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .pillar-card {
    min-height: auto;
  }

  .project-year-group {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .project-year-group::before {
    display: none;
  }

  .project-year-group > h3 {
    position: static;
    padding-bottom: 12px;
    border-bottom: 2px solid rgba(25, 191, 208, 0.32);
  }
}

@media (max-width: 680px) {
  .container {
    width: min(100% - 28px, var(--container));
  }

  .hero {
    min-height: 88vh;
  }

  .brand {
    width: clamp(106px, 30vw, 122px);
  }

  .nav {
    padding-block: 8px;
  }

  .hero-content {
    padding: calc(var(--header-height) + 54px) 0 58px;
  }

  .page-hero {
    padding: calc(var(--header-height) + 48px) 0 56px;
  }

  .section {
    padding: 72px 0;
  }

  .split,
  .collaboration-head,
  .card-grid,
  .research-list,
  .initiative-list,
  .institute-strip,
  .team-grid,
  .contact-grid,
  .open-project-grid,
  .form-grid,
  .completed-project-item {
    grid-template-columns: 1fr;
  }

  .section-heading {
    margin-bottom: 30px;
  }

  .research-list article,
  .pillar-card,
  .project-card,
  .collaboration-card,
  .compact-card {
    min-height: auto;
    padding: 24px;
  }

  .interest-panel,
  .empty-state-card,
  .completed-project-item {
    padding: 24px;
  }

  .archive-tools {
    padding: 20px;
  }

  .filter-chips {
    gap: 6px;
  }

  .filter-chip {
    min-height: 34px;
    padding: 0 12px;
    font-size: 0.84rem;
  }

  .completed-project-link {
    white-space: normal;
  }

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