:root {
  --crimson: #8b0029;
  --text: #333333;
  --muted: #686868;
  --light: #f7f7f7;
  --border: #dddddd;
  --container: 1200px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: #ffffff;
  color: var(--text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

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

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: -60px;
  z-index: 1000;
  padding: 10px 14px;
  background: var(--crimson);
  color: #ffffff;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #ffffff;
  border-bottom: 1px solid var(--border);
}

.nav-container {
  max-width: var(--container);
  height: 80px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
}

.brand-mark {
  width: 66px;
  height: 66px;
  display: grid;
  place-items: center;
  background: #ffffff;
}

.brand-mark img {
  position: static;
  width: 66px;
  height: 66px;
  object-fit: contain;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-text strong {
  color: #222222;
  font-size: 18px;
  font-weight: 600;
}

.brand-text small {
  margin-top: 5px;
  color: #777777;
  font-size: 8px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link {
  padding: 8px 12px;
  border-radius: 4px;
  color: #606060;
  font-size: 14px;
  transition: background-color 160ms ease, color 160ms ease;
}

.nav-link:hover,
.nav-link.active {
  background: #f3f3f3;
  color: #222222;
}

.nav-toggle {
  display: none;
}

.home-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: 445px;
  padding-top: 130px;
  padding-bottom: 105px;
  background:
    radial-gradient(circle at 14% 20%, rgba(139, 0, 41, 0.08), transparent 30%),
    radial-gradient(circle at 86% 78%, rgba(139, 0, 41, 0.055), transparent 32%),
    linear-gradient(135deg, #ffffff 0%, #fcf9fa 48%, #f7f7f7 100%);
  text-align: center;
}

.home-hero::before,
.home-hero::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.home-hero::before {
  inset: -48px;
  z-index: 0;
  background-image:
    linear-gradient(rgba(139, 0, 41, 0.038) 1px, transparent 1px),
    linear-gradient(90deg, rgba(139, 0, 41, 0.038) 1px, transparent 1px);
  background-position: 0 0;
  background-size: 52px 52px;
  -webkit-mask-image: radial-gradient(ellipse at center, #000 18%, transparent 72%);
  mask-image: radial-gradient(ellipse at center, #000 18%, transparent 72%);
  animation: hero-grid-drift 22s linear infinite;
}

.home-hero::after {
  inset: -42%;
  z-index: 0;
  background:
    radial-gradient(circle at 32% 48%, rgba(139, 0, 41, 0.10), transparent 20%),
    radial-gradient(circle at 68% 52%, rgba(139, 0, 41, 0.065), transparent 22%);
  filter: blur(18px);
  animation: hero-light-drift 14s ease-in-out infinite alternate;
}

.hero-content {
  position: relative;
  z-index: 1;
}

@keyframes hero-grid-drift {
  to {
    background-position: 52px 52px;
  }
}

@keyframes hero-light-drift {
  from {
    transform: translate3d(-2.5%, -1.5%, 0) scale(1);
  }

  to {
    transform: translate3d(2.5%, 1.5%, 0) scale(1.06);
  }
}

.hero-university {
  margin-bottom: 10px;
  color: #555555;
  font-size: 34px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.home-hero h1 {
  color: #111111;
  font-size: clamp(48px, 5.4vw, 76px);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.12;
}

.home-hero h1 span {
  color: var(--crimson);
}

.hero-subtitle {
  margin-top: 22px;
  color: #777777;
  font-size: 16px;
}

.intro-section {
  padding: 70px 0;
  border-top: 1px solid #eeeeee;
  background: #ffffff;
}

.intro-layout {
  display: grid;
  grid-template-columns: 330px 1fr;
  gap: 70px;
  align-items: center;
}

.intro-logo {
  display: flex;
  justify-content: center;
}

.intro-logo img {
  width: 300px;
}

.intro-copy {
  max-width: 760px;
  color: #454545;
  font-size: 16px;
}

.intro-copy p {
  margin-bottom: 18px;
}

.intro-copy h2 {
  margin: 26px 0 10px;
  color: #333333;
  font-size: 16px;
  font-weight: 600;
}

.intro-copy ul {
  margin: 0 0 22px 20px;
}

.intro-copy li {
  margin-bottom: 5px;
}

.intro-copy a,
.contact-copy a {
  color: var(--crimson);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.recruiting-note {
  margin-bottom: 0 !important;
}

.research-page-link {
  margin-bottom: 14px !important;
  font-size: 14px;
  font-weight: 500;
}

.home-news {
  padding: 65px 0 85px;
  border-top: 1px solid #eeeeee;
  background: #fafafa;
}

.section-heading-row {
  margin-bottom: 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.section-heading-row h2 {
  color: #333333;
  font-size: 27px;
  font-weight: 600;
}

.section-heading-row a {
  color: #666666;
  font-size: 13px;
}

.section-heading-row a:hover {
  color: var(--crimson);
}

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

.news-row {
  min-height: 78px;
  padding: 20px 4px;
  display: grid;
  grid-template-columns: 105px 1fr;
  gap: 24px;
  align-items: center;
  border-bottom: 1px solid var(--border);
}

.news-row time {
  color: #888888;
  font-size: 13px;
}

.news-row p {
  color: #3e3e3e;
  font-size: 15px;
}

.news-summary {
  color: #3e3e3e !important;
  font-size: 15px !important;
  font-weight: 400;
  line-height: 1.55;
}

.news-summary strong {
  color: #111111;
  font-weight: 700 !important;
}

.news-venue-name {
  padding: 1px 4px;
  border-radius: 2px;
  background: rgba(103, 91, 231, .12);
  color: #5549cf !important;
  font-weight: 700 !important;
  white-space: nowrap;
}

.site-footer {
  padding: 42px 0 24px;
  border-top: 1px solid #e5e5e5;
  background: #f5f5f5;
  color: #696969;
}

.footer-content {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
}

.footer-content h2 {
  margin-bottom: 6px;
  color: #3d3d3d;
  font-size: 16px;
  font-weight: 600;
}

.footer-content p {
  font-size: 13px;
}

.ku-signature {
  width: 148px;
  margin-left: auto;
  flex: 0 0 auto;
  opacity: .5;
  transition: opacity 180ms ease;
}

.ku-signature:hover {
  opacity: .72;
}

.ku-signature img {
  width: 100%;
  height: auto;
  filter: grayscale(1) invert(1);
}

.copyright {
  color: #888888;
  font-size: 12px !important;
}

.page-header {
  padding: 52px 0 38px;
  border-bottom: 1px solid #eeeeee;
  background: #fafafa;
}

.page-header h1 {
  color: #333333;
  font-size: 36px;
  font-weight: 600;
}

.page-header p {
  margin-top: 6px;
  color: #777777;
}

.page-content {
  min-height: 520px;
  padding-top: 60px;
  padding-bottom: 90px;
}

.blank-page {
  min-height: 650px;
}

.people-section {
  padding: 50px 0;
}

.people-category {
  margin-bottom: 50px;
}

.category-title {
  margin-bottom: 30px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--crimson);
  color: #333333;
  font-size: 24px;
  font-weight: 600;
}

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

.current-members-header {
  margin-top: 60px;
}

.section-title {
  margin-bottom: 25px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--crimson);
  color: #333333;
  font-size: 24px;
  font-weight: 600;
  text-align: center;
}

.people-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 30px;
}

.person-card {
  padding: 20px;
  border: 1px solid #eeeeee;
  border-radius: 8px;
  background: #ffffff;
  transition: box-shadow 300ms ease;
}

.person-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.person-photo {
  margin-bottom: 15px;
  text-align: center;
}

.person-img,
.photo {
  width: 150px;
  height: 150px;
  margin: 0 auto;
  border-radius: 50%;
  background: #f0f0f0;
  object-fit: cover;
  object-position: center 24%;
}

.photo-donghwan,
.photo-dongwook {
  object-position: center 27%;
}

.photo-sangyoon {
  object-position: center 20%;
}

.person-name {
  margin-bottom: 5px;
  color: #333333;
  font-size: 18px;
  font-weight: 600;
}

.person-email {
  margin-bottom: 8px;
  font-size: 13px;
}

.person-email a {
  color: var(--crimson);
}

.person-email a:hover {
  text-decoration: underline;
}

.person-education {
  color: #666666;
  font-size: 13px;
  line-height: 1.55;
}

.person-detail-pending {
  color: #999999;
}

.person-highlights {
  margin: 2px 0 12px;
  padding-left: 18px;
  color: #666666;
  font-size: 13px;
  line-height: 1.55;
}

.person-highlights li + li {
  margin-top: 2px;
}

.person-links {
  margin-top: 13px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.person-link {
  padding: 4px 8px;
  border: 1px solid #dddddd;
  border-radius: 3px;
  color: #666666;
  font-size: 12px;
  transition: background-color 200ms ease, color 200ms ease;
}

.person-link:hover {
  background: #f5f5f5;
  color: #333333;
}

.publication-list-page {
  display: flex;
  flex-direction: column;
}

.publication-controls {
  margin-bottom: 46px;
}

.publication-search {
  position: relative;
  width: min(100%, 520px);
  display: block;
}

.publication-search input {
  width: 100%;
  height: 48px;
  padding: 0 44px 0 18px;
  border: 1px solid #d4d4d4;
  border-radius: 24px;
  background: #fafafa;
  color: #333333;
  font: inherit;
  font-size: 14px;
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.publication-search input:focus {
  border-color: var(--crimson);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(139, 0, 41, 0.08);
}

.publication-search .search-icon {
  position: absolute;
  z-index: 1;
  top: 16px;
  right: 19px;
  width: 14px;
  height: 14px;
  border: 1.5px solid #777777;
  border-radius: 50%;
  pointer-events: none;
}

.publication-search .search-icon::after {
  content: "";
  position: absolute;
  right: -4px;
  bottom: -3px;
  width: 6px;
  height: 1.5px;
  background: #777777;
  transform: rotate(45deg);
}

.publication-filters {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-btn {
  padding: 7px 13px;
  border: 1px solid #d8d8d8;
  border-radius: 4px;
  background: #ffffff;
  color: #666666;
  font-family: inherit;
  font-size: 12px;
  cursor: pointer;
  transition: border-color 160ms ease, background 160ms ease, color 160ms ease;
}

.filter-btn:hover,
.filter-btn.active {
  border-color: var(--crimson);
  background: var(--crimson);
  color: #ffffff;
}

.publication-count {
  margin-top: 16px;
  color: #888888;
  font-size: 12px;
}

.publication-year {
  margin-bottom: 54px;
}

.publication-year > h2 {
  padding-bottom: 10px;
  border-bottom: 2px solid var(--crimson);
  color: #333333;
  font-size: 25px;
  font-weight: 600;
}

.publication-row {
  padding: 28px 0;
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: 34px;
  border-bottom: 1px solid #e2e2e2;
}

.publication-visual {
  width: 210px;
  height: 118px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid #eeeeee;
  background: #f7f7f7;
}

.publication-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.publication-placeholder {
  max-width: 170px;
  color: #a3a3a3;
  font-size: 13px;
  font-weight: 600;
  text-align: center;
}

.publication-row h3 {
  margin: 3px 0 8px;
  color: #2e2e2e;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
}

.publication-meta {
  width: fit-content;
  margin-bottom: 3px;
  padding: 2px 6px;
  border-radius: 2px;
  background: rgba(103, 91, 231, .12);
  color: #5549cf;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.45;
}

.publication-authors {
  margin-bottom: 8px;
  color: #656565;
  font-size: 13px;
}

.publication-venue {
  margin-bottom: 8px;
  color: #777777;
  font-size: 12px;
  font-style: italic;
}

.publication-note {
  margin-bottom: 9px;
  color: var(--crimson);
  font-size: 12px;
}

.publication-links a {
  margin-right: 13px;
  color: #555555;
  font-size: 12px;
  font-weight: 500;
}

.publication-links a:hover {
  color: var(--crimson);
}

.publication-loading,
.publication-empty {
  padding: 50px 20px;
  background: #fafafa;
  color: #777777;
  text-align: center;
}

.clear-publication-search {
  margin-top: 15px;
  padding: 8px 14px;
  border: 1px solid #cccccc;
  border-radius: 4px;
  background: #ffffff;
  color: #444444;
  font: inherit;
  font-size: 12px;
  cursor: pointer;
}

.full-news-list .news-row {
  min-height: 90px;
}

.contact-layout {
  max-width: 800px;
}

.contact-copy {
  margin-bottom: 45px;
}

.contact-copy h2 {
  margin-bottom: 14px;
  color: #333333;
  font-size: 22px;
  font-weight: 600;
}

.contact-copy p {
  margin-bottom: 14px;
}

.contact-copy .join-introduction {
  color: #3f3f3f;
  font-size: 15px;
  line-height: 1.75;
}

.contact-copy h3 {
  margin: 30px 0 12px;
  color: #333333;
  font-size: 18px;
  font-weight: 600;
}

.recruitment-qualities,
.application-materials {
  margin: 0 0 24px;
  padding-left: 22px;
}

.recruitment-qualities li {
  margin-bottom: 18px;
  color: #505050;
  line-height: 1.75;
}

.recruitment-qualities strong {
  color: #303030;
  font-weight: 600;
}

.application-materials li {
  margin-bottom: 7px;
  color: #505050;
}

.application-note {
  margin-bottom: 0 !important;
  color: #666666;
}

.contact-details {
  padding: 24px;
  border: 1px solid #e0e0e0;
  background: #fafafa;
}

.contact-details p + p {
  margin-top: 10px;
}

.location-section {
  margin-top: 58px;
}

.location-section > h2 {
  margin-bottom: 12px;
  color: #333333;
  font-size: 22px;
  font-weight: 600;
}

.location-section > p {
  margin-bottom: 20px;
  color: #555555;
}

.location-map {
  overflow: hidden;
  border: 1px solid #dddddd;
}

.location-map iframe {
  width: 100%;
  display: block;
  border: 0;
}

.research-page {
  max-width: 1100px;
}

.research-introduction {
  max-width: 890px;
  margin-bottom: 70px;
  color: #4a4a4a;
  font-size: 17px;
  line-height: 1.8;
}

.research-introduction p + p {
  margin-top: 18px;
}

.research-introduction .research-thesis {
  margin-bottom: 24px;
  color: #2d2d2d;
  font-size: 27px;
  font-weight: 600;
  line-height: 1.35;
}

.research-directions {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.research-direction {
  padding: 32px 34px;
  display: grid;
  grid-template-columns: 55px 250px 1fr;
  gap: 30px;
  border: 1px solid #dedede;
  background: #ffffff;
}

.research-direction:nth-child(even) {
  background: #fafafa;
}

.direction-number {
  padding-top: 3px;
  color: var(--crimson);
  font-size: 12px;
  font-weight: 600;
}

.research-direction h2 {
  color: #303030;
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
}

.research-direction > div > p:first-child {
  color: #515151;
  line-height: 1.75;
}


@media (max-width: 820px) {
  .nav-toggle {
    width: 36px;
    height: 36px;
    padding: 7px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    border: 0;
    background: transparent;
    cursor: pointer;
  }

  .nav-toggle span {
    width: 100%;
    height: 2px;
    background: #444444;
    transition: transform 160ms ease, opacity 160ms ease;
  }

  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .nav-menu {
    position: absolute;
    left: 0;
    right: 0;
    top: 80px;
    padding: 12px 24px 20px;
    display: none;
    align-items: stretch;
    flex-direction: column;
    gap: 2px;
    border-bottom: 1px solid var(--border);
    background: #ffffff;
    box-shadow: 0 10px 22px rgba(0, 0, 0, 0.06);
  }

  .nav-menu.open {
    display: flex;
  }

  .nav-link {
    padding: 11px 12px;
  }

  .intro-layout {
    grid-template-columns: 240px 1fr;
    gap: 38px;
  }

  .intro-logo img {
    width: 230px;
  }

  .research-direction {
    grid-template-columns: 45px 205px 1fr;
    gap: 22px;
  }

  .publication-row {
    grid-template-columns: 180px 1fr;
    gap: 24px;
  }

  .publication-visual {
    width: 180px;
    height: 108px;
  }
}

@media (max-width: 620px) {
  .container,
  .nav-container {
    padding-left: 18px;
    padding-right: 18px;
  }

  .brand-text strong {
    font-size: 17px;
  }

  .home-hero {
    min-height: 390px;
    padding-top: 105px;
    padding-bottom: 85px;
  }

  .hero-university {
    font-size: 23px;
  }

  .home-hero h1 {
    font-size: 46px;
  }

  .hero-subtitle {
    font-size: 13px;
  }

  .intro-section,
  .home-news {
    padding: 55px 0;
  }

  .intro-layout,
  .publication-row {
    grid-template-columns: 1fr;
  }

  .intro-layout {
    gap: 35px;
  }

  .intro-logo img {
    width: 240px;
  }

  .intro-copy {
    font-size: 15px;
  }

  .news-row {
    grid-template-columns: 78px 1fr;
    gap: 12px;
    align-items: start;
  }

  .news-row p {
    font-size: 14px;
  }

  .footer-content {
    align-items: flex-start;
    flex-direction: column;
    gap: 24px;
  }

  .ku-signature {
    width: 136px;
    margin-left: 0;
  }

  .page-header {
    padding: 38px 0 28px;
  }

  .page-header h1 {
    font-size: 29px;
  }

  .page-content {
    padding-top: 42px;
    padding-bottom: 65px;
  }

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

  .publication-row {
    gap: 18px;
  }

  .publication-visual {
    width: 100%;
    height: 180px;
  }

  .publication-search {
    width: 100%;
  }

  .publication-year > h2 {
    font-size: 22px;
  }

  .research-introduction {
    margin-bottom: 52px;
    font-size: 15px;
  }

  .research-introduction .research-thesis {
    font-size: 23px;
  }

  .research-direction {
    padding: 26px 22px;
    grid-template-columns: 32px 1fr;
    gap: 6px 12px;
  }

  .research-direction h2 {
    font-size: 18px;
  }

  .research-direction > div {
    grid-column: 2;
  }

  .location-section {
    margin-top: 46px;
  }

  .location-map iframe {
    height: 280px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* --------------------------------------------------------------------------
   PRISM Lab identity — homepage v1
   The final logo is intentionally decoupled from this system. The homepage
   uses a text wordmark and an editorial prism visualization in the meantime.
   -------------------------------------------------------------------------- */

:root {
  --prism-ink: #0d1016;
  --prism-ink-soft: #151920;
  --prism-paper: #f3f3f0;
  --prism-white: #ffffff;
  --prism-copy: #515760;
  --prism-line: #d8d9dc;
  --perception: #ff5d73;
  --reasoning: #ffc457;
  --learning: #25c8b7;
  --acting: #7c68ff;
  --crimson: #596270;
  --container: 1240px;
}

body {
  color: var(--prism-ink);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.home-page {
  overflow-x: hidden;
  background: var(--prism-paper);
}

.home-page h1,
.home-page h2,
.home-page h3,
.brand-wordmark,
.footer-wordmark {
  font-family: "Space Grotesk", "Inter", sans-serif;
}

.site-header {
  height: 78px;
  border-color: rgba(255, 255, 255, .09);
  background: rgba(14, 17, 23, .96);
  box-shadow: none;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.nav-container {
  height: 78px;
}

.brand-placeholder {
  min-width: 142px;
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  gap: 1px;
  line-height: 1;
}

.brand-wordmark {
  display: flex;
  align-items: baseline;
  gap: 5px;
  color: #ffffff;
  font-size: 22px;
  letter-spacing: -.045em;
}

.brand-wordmark b {
  font-weight: 700;
  letter-spacing: .015em;
}

.brand-wordmark span {
  font-weight: 400;
}

.brand-placeholder small {
  color: rgba(255, 255, 255, .48);
  font-size: 7px;
  font-weight: 600;
  letter-spacing: .235em;
  text-transform: uppercase;
}

.nav-link {
  border-radius: 999px;
  color: rgba(255, 255, 255, .62);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .015em;
}

.nav-link:hover,
.nav-link.active {
  background: rgba(255, 255, 255, .09);
  color: #ffffff;
}

.skip-link {
  background: #ffffff;
  color: var(--prism-ink);
}

.prism-hero {
  position: relative;
  isolation: isolate;
  min-height: calc(100svh - 78px);
  overflow: hidden;
  display: flex;
  align-items: center;
  background:
    radial-gradient(circle at 74% 43%, rgba(111, 118, 132, .075), transparent 30%),
    linear-gradient(135deg, #090b0f 0%, #0d1016 52%, #13171e 100%);
  color: #ffffff;
}

.prism-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, .025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .025) 1px, transparent 1px);
  background-size: 80px 80px;
  -webkit-mask-image: linear-gradient(to right, transparent 5%, #000 54%, transparent 100%);
  mask-image: linear-gradient(to right, transparent 5%, #000 54%, transparent 100%);
}

.hero-aurora {
  position: absolute;
  inset: -25%;
  z-index: -2;
  opacity: .3;
  background:
    radial-gradient(circle at 69% 20%, rgba(168, 111, 121, .09), transparent 17%),
    radial-gradient(circle at 88% 38%, rgba(163, 138, 94, .07), transparent 19%),
    radial-gradient(circle at 76% 66%, rgba(94, 137, 133, .08), transparent 20%),
    radial-gradient(circle at 58% 79%, rgba(116, 119, 141, .1), transparent 19%);
  filter: blur(44px);
  animation: prism-aurora 16s ease-in-out infinite alternate;
}

.prism-hero-layout {
  padding-top: 64px;
  padding-bottom: 84px;
  display: grid;
  grid-template-columns: minmax(420px, .86fr) minmax(560px, 1.14fr);
  gap: 34px;
  align-items: center;
}

.prism-hero-copy {
  position: relative;
  z-index: 2;
  max-width: 590px;
}

.hero-kicker {
  margin-bottom: 38px;
  display: flex;
  align-items: center;
  gap: 11px;
  color: rgba(255, 255, 255, .53);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: .21em;
  text-transform: uppercase;
}

.hero-kicker span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--learning);
  box-shadow: 0 0 10px rgba(94, 137, 133, .38);
}

.prism-hero h1 {
  font-size: clamp(62px, 6.2vw, 96px);
  font-weight: 560;
  letter-spacing: -.065em;
  line-height: .93;
}

.prism-hero h1 span {
  display: inline-block;
  background: linear-gradient(96deg, #ff7084 0%, #f8c75c 32%, #31cbbb 64%, #8a7aff 100%);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
}

.hero-expansion {
  margin-top: 37px;
  color: rgba(255, 255, 255, .91);
  font-family: "Space Grotesk", "Inter", sans-serif;
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -.018em;
  line-height: 1.38;
}

.hero-statement {
  max-width: 520px;
  margin-top: 22px;
  color: rgba(255, 255, 255, .56);
  font-size: 14px;
  line-height: 1.75;
}

.hero-actions {
  margin-top: 36px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.button {
  min-height: 50px;
  padding: 0 21px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  border: 1px solid transparent;
  font-size: 12px;
  font-weight: 600;
  transition: transform 200ms ease, background-color 200ms ease, color 200ms ease, border-color 200ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-light {
  background: #ffffff;
  color: var(--prism-ink);
}

.button-light:hover {
  background: #e9eaff;
}

.button-dark {
  background: var(--prism-ink);
  color: #ffffff;
}

.button-dark:hover {
  background: #202a42;
}

.text-link,
.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  font-weight: 600;
}

.text-link {
  color: rgba(255, 255, 255, .72);
}

.text-link span,
.arrow-link span {
  transition: transform 180ms ease;
}

.text-link:hover span,
.arrow-link:hover span {
  transform: translate(3px, -3px);
}

.prism-stage {
  position: relative;
  z-index: 1;
  height: min(680px, 71svh);
  min-height: 570px;
  margin: 0;
  perspective: 1100px;
}

.prism-stage::before {
  content: "";
  position: absolute;
  inset: 8% 3% 5% 2%;
  border: 1px solid rgba(255, 255, 255, .055);
  border-radius: 50%;
  transform: rotate(-10deg);
}

.prism-stage-inner {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  transform: rotateX(var(--prism-rx, 0deg)) rotateY(var(--prism-ry, 0deg));
  transform-style: preserve-3d;
  transition: transform 500ms cubic-bezier(.2, .75, .2, 1);
}

.prism-visual {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.stage-grid path {
  fill: none;
  stroke: rgba(255, 255, 255, .12);
  stroke-width: .7;
}

.prism-orbit {
  fill: none;
  stroke: rgba(255, 255, 255, .13);
  stroke-width: 1;
  stroke-dasharray: 3 9;
  transform-origin: 293px 329px;
  animation: orbit-spin 34s linear infinite;
}

.prism-core-glow {
  opacity: .3;
  animation: core-pulse 4.5s ease-in-out infinite;
}

.signal-glow,
.signal-core,
.prism-outline,
.prism-facet,
.ray-halo,
.ray-line {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.signal-glow {
  stroke: rgba(255, 255, 255, .18);
  stroke-width: 18;
  filter: url(#soft-glow);
}

.signal-core {
  stroke-width: 3;
  stroke-dasharray: 7 10;
  animation: signal-flow 2.2s linear infinite;
}

.incoming-signal text,
.ray-group text {
  font-family: "Inter", sans-serif;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 1.6px;
}

.incoming-signal text {
  fill: rgba(255, 255, 255, .42);
}

.prism-glass {
  stroke: none;
}

.prism-outline {
  stroke: rgba(246, 248, 255, .86);
  stroke-width: 8;
}

.prism-facet {
  stroke: rgba(255, 255, 255, .32);
  stroke-width: 1.3;
}

.ray-halo {
  stroke: var(--ray);
  stroke-width: 15;
  opacity: .055;
  filter: url(#ray-glow);
}

.ray-line {
  stroke: var(--ray);
  stroke-width: 3.5;
  animation: ray-pulse 3.8s ease-in-out infinite;
}

.ray-group circle {
  fill: var(--ray);
  opacity: .86;
}

.ray-group text {
  fill: var(--ray);
  opacity: .82;
}

.ray-reasoning .ray-line { animation-delay: -.8s; }
.ray-learning .ray-line { animation-delay: -1.6s; }
.ray-acting .ray-line { animation-delay: -2.4s; }

.hero-index {
  position: absolute;
  left: max(24px, calc((100vw - var(--container)) / 2 + 24px));
  right: max(24px, calc((100vw - var(--container)) / 2 + 24px));
  bottom: 23px;
  display: flex;
  justify-content: space-between;
  color: rgba(255, 255, 255, .27);
  font-size: 8px;
  font-weight: 600;
  letter-spacing: .17em;
}

.pillar-ribbon {
  border-top: 1px solid rgba(255, 255, 255, .08);
  background: var(--prism-ink);
  color: #ffffff;
}

.pillar-ribbon-grid {
  min-height: 168px;
  display: grid;
  grid-template-columns: .78fr repeat(4, 1fr);
}

.ribbon-label {
  padding: 35px 30px 30px 0;
  align-self: stretch;
  display: flex;
  align-items: flex-start;
  border-right: 1px solid rgba(255, 255, 255, .09);
  color: rgba(255, 255, 255, .43);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .13em;
  line-height: 1.5;
  text-transform: uppercase;
}

.pillar-ribbon article {
  position: relative;
  padding: 34px 23px 28px;
  border-right: 1px solid rgba(255, 255, 255, .09);
}

.pillar-ribbon article::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--pillar);
  transform: scaleX(.22);
  transform-origin: left;
  transition: transform 400ms ease;
}

.pillar-ribbon article:hover::before {
  transform: scaleX(1);
}

.pillar-ribbon article span {
  color: var(--pillar);
  font-size: 9px;
  font-weight: 700;
}

.pillar-ribbon h2 {
  margin-top: 18px;
  font-size: 19px;
  font-weight: 500;
}

.pillar-ribbon article p {
  margin-top: 4px;
  color: rgba(255, 255, 255, .4);
  font-size: 11px;
}

.lab-manifesto,
.intelligence-loop,
.research-spectrum,
.prism-news {
  padding: 138px 0;
}

.lab-manifesto {
  background: var(--prism-paper);
}

.section-index {
  margin-bottom: 26px;
  color: #8a909c;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.manifesto-heading {
  padding-bottom: 70px;
  border-bottom: 1px solid var(--prism-line);
}

.manifesto-heading h2,
.section-heading h2 {
  max-width: 1000px;
  font-size: clamp(45px, 5vw, 72px);
  font-weight: 500;
  letter-spacing: -.058em;
  line-height: 1.04;
}

.manifesto-layout {
  padding-top: 70px;
  display: grid;
  grid-template-columns: minmax(260px, .75fr) minmax(520px, 1.25fr);
  gap: 80px;
}

.manifesto-aside {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-direction: column;
  color: #7a808d;
  font-size: 11px;
  line-height: 1.55;
}

.manifesto-aside .aside-word {
  margin-bottom: 90px;
  background: linear-gradient(90deg, var(--perception), var(--reasoning), var(--learning), var(--acting));
  background-clip: text;
  color: transparent;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(66px, 7vw, 100px);
  font-weight: 650;
  letter-spacing: -.075em;
  line-height: .8;
}

.manifesto-copy {
  max-width: 720px;
  color: var(--prism-copy);
  font-size: 15px;
  line-height: 1.8;
}

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

.manifesto-copy .manifesto-lead {
  margin-bottom: 32px;
  color: var(--prism-ink);
  font-family: "Space Grotesk", "Inter", sans-serif;
  font-size: clamp(26px, 2.7vw, 38px);
  font-weight: 450;
  letter-spacing: -.037em;
  line-height: 1.3;
}

.manifesto-copy a:not(.arrow-link) {
  text-decoration: underline;
  text-decoration-color: #aeb2bc;
  text-underline-offset: 4px;
}

.manifesto-copy .arrow-link {
  margin-top: 35px;
  color: var(--prism-ink);
}

.intelligence-loop {
  border-top: 1px solid var(--prism-line);
  background: #ffffff;
}

.section-heading {
  margin-bottom: 72px;
  display: grid;
  grid-template-columns: minmax(520px, 1.25fr) minmax(270px, .75fr);
  gap: 80px;
  align-items: end;
}

.section-heading > p {
  max-width: 410px;
  justify-self: end;
  color: #747b89;
  font-size: 14px;
  line-height: 1.75;
}

.pillar-cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--prism-line);
  border-left: 1px solid var(--prism-line);
}

.pillar-card {
  position: relative;
  min-height: 410px;
  padding: 28px 26px 30px;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--prism-line);
  border-bottom: 1px solid var(--prism-line);
  background: #ffffff;
  transition: background-color 260ms ease, transform 260ms ease, box-shadow 260ms ease;
}

.pillar-card::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -1px;
  height: 4px;
  background: var(--pillar);
  transform: scaleX(.18);
  transform-origin: left;
  transition: transform 350ms ease;
}

.pillar-card:hover {
  z-index: 1;
  background: #fafafa;
  box-shadow: 0 22px 44px rgba(20, 27, 45, .08);
  transform: translateY(-6px);
}

.pillar-card:hover::before {
  transform: scaleX(1);
}

.pillar-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--pillar);
  font-size: 9px;
  font-weight: 700;
}

.pillar-card-top i {
  width: 9px;
  height: 9px;
  border: 2px solid var(--pillar);
  border-radius: 50%;
}

.pillar-card h3 {
  margin-top: 66px;
  font-size: 27px;
  font-weight: 530;
  letter-spacing: -.035em;
}

.pillar-card > p {
  margin-top: 16px;
  color: #636b79;
  font-size: 13px;
  line-height: 1.7;
}

.pillar-card ul {
  margin-top: auto;
  padding-top: 26px;
  border-top: 1px solid #e8e9ed;
  color: #777e8b;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .04em;
  list-style: none;
}

.pillar-card li + li {
  margin-top: 7px;
}

.pillar-card li::before {
  content: "+";
  margin-right: 8px;
  color: var(--pillar);
}

.research-spectrum {
  overflow: hidden;
  background:
    radial-gradient(circle at 5% 8%, rgba(124, 104, 255, .15), transparent 26%),
    radial-gradient(circle at 93% 90%, rgba(37, 200, 183, .09), transparent 30%),
    var(--prism-ink);
  color: #ffffff;
}

.section-heading.light .section-index {
  color: rgba(255, 255, 255, .4);
}

.section-heading.light .arrow-link {
  justify-self: end;
  color: rgba(255, 255, 255, .76);
}

.research-spectrum-grid {
  display: grid;
  grid-template-columns: 1.12fr .88fr;
  grid-template-rows: repeat(2, minmax(285px, auto));
  gap: 16px;
}

.spectrum-card {
  position: relative;
  isolation: isolate;
  min-height: 285px;
  overflow: hidden;
  padding: 31px 32px;
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(255, 255, 255, .11);
  background: rgba(255, 255, 255, .035);
  color: #ffffff;
  transition: border-color 260ms ease, transform 260ms ease, background-color 260ms ease;
}

.spectrum-card::before,
.spectrum-card::after {
  content: "";
  position: absolute;
  z-index: -1;
  pointer-events: none;
}

.spectrum-card::before {
  width: 110%;
  height: 1px;
  left: -5%;
  top: 54%;
  opacity: .65;
  background: linear-gradient(90deg, transparent, var(--perception), var(--reasoning), var(--learning), var(--acting), transparent);
  transform: rotate(-11deg) scaleX(.45);
  transform-origin: right;
  transition: transform 600ms cubic-bezier(.2, .8, .2, 1);
}

.spectrum-card::after {
  width: 330px;
  height: 330px;
  right: -170px;
  bottom: -200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124, 104, 255, .18), transparent 66%);
}

.spectrum-card:hover {
  border-color: rgba(255, 255, 255, .33);
  background: rgba(255, 255, 255, .06);
  transform: translateY(-4px);
}

.spectrum-card:hover::before {
  transform: rotate(-11deg) scaleX(1);
}

.spectrum-card-wide {
  grid-row: 1 / 3;
  min-height: 586px;
  padding: 38px;
}

.spectrum-number {
  color: rgba(255, 255, 255, .37);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .15em;
}

.spectrum-card > div {
  margin-top: auto;
  padding-top: 50px;
}

.spectrum-card > div p {
  margin-bottom: 12px;
  color: rgba(255, 255, 255, .45);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.spectrum-card h3 {
  max-width: 580px;
  font-size: clamp(27px, 3vw, 45px);
  font-weight: 470;
  letter-spacing: -.045em;
  line-height: 1.08;
}

.spectrum-card:not(.spectrum-card-wide) h3 {
  font-size: clamp(23px, 2.4vw, 32px);
}

.spectrum-card ul {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  list-style: none;
}

.spectrum-card li {
  padding: 6px 9px;
  border: 1px solid rgba(255, 255, 255, .13);
  border-radius: 99px;
  color: rgba(255, 255, 255, .56);
  font-size: 9px;
}

.card-arrow {
  position: absolute;
  top: 29px;
  right: 31px;
  color: rgba(255, 255, 255, .62);
  font-size: 18px;
  transition: transform 200ms ease;
}

.spectrum-card:hover .card-arrow {
  transform: translate(4px, -4px);
}

.prism-news {
  border-top: 0;
  background: var(--prism-paper);
}

.section-heading.compact {
  margin-bottom: 62px;
}

.section-heading.compact .arrow-link {
  justify-self: end;
  align-self: end;
}

.prism-news .news-list {
  border-top-color: #bfc4cd;
}

.prism-news .news-row {
  min-height: 96px;
  padding: 24px 3px;
  grid-template-columns: 108px 1fr 28px;
  gap: 25px;
  border-bottom-color: var(--prism-line);
  transition: padding 220ms ease, background-color 220ms ease;
}

.prism-news .news-row:hover {
  padding-left: 12px;
  padding-right: 12px;
  background: rgba(255, 255, 255, .66);
}

.prism-news .news-row time {
  color: #858b98;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .06em;
}

.prism-news .news-summary {
  font-size: 15px !important;
}

.news-arrow {
  color: #969ca7;
  font-size: 16px;
}

.join-banner {
  position: relative;
  isolation: isolate;
  min-height: 620px;
  overflow: hidden;
  display: flex;
  align-items: center;
  background: #ebeaff;
}

.join-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(circle at 73% 50%, rgba(255, 255, 255, .95), transparent 15%),
    linear-gradient(120deg, rgba(255, 93, 115, .07), rgba(255, 196, 87, .08) 38%, rgba(37, 200, 183, .08) 65%, rgba(124, 104, 255, .14));
}

.join-beams {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: .72;
}

.join-beams i {
  position: absolute;
  left: 61%;
  top: 50%;
  width: 66vw;
  height: 1px;
  background: var(--beam);
  box-shadow: 0 0 24px var(--beam);
  transform-origin: left;
}

.join-beams i:nth-child(1) { --beam: var(--perception); transform: rotate(-19deg); }
.join-beams i:nth-child(2) { --beam: var(--reasoning); transform: rotate(-6deg); }
.join-beams i:nth-child(3) { --beam: var(--learning); transform: rotate(8deg); }
.join-beams i:nth-child(4) { --beam: var(--acting); transform: rotate(21deg); }

.join-banner-content {
  padding-top: 100px;
  padding-bottom: 100px;
}

.join-banner h2 {
  max-width: 800px;
  font-size: clamp(55px, 7vw, 100px);
  font-weight: 540;
  letter-spacing: -.065em;
  line-height: .94;
}

.join-banner-content > p:not(.section-index) {
  max-width: 560px;
  margin-top: 34px;
  color: #5d6371;
  font-size: 14px;
  line-height: 1.75;
}

.join-banner .button {
  margin-top: 34px;
}

.prism-footer {
  padding: 68px 0 38px;
  border-top: 0;
  background: var(--prism-ink);
  color: rgba(255, 255, 255, .5);
}

.prism-footer .footer-content {
  display: grid;
  grid-template-columns: 1.15fr 1fr auto;
  gap: 70px;
  align-items: end;
}

.prism-footer .footer-meta {
  display: flex;
  align-items: flex-end;
  flex-direction: column;
  gap: 23px;
}

.prism-footer .ku-signature {
  width: 158px;
  margin-left: 0;
  opacity: .36;
}

.prism-footer .ku-signature:hover {
  opacity: .56;
}

.prism-footer .ku-signature img {
  filter: grayscale(1);
}

.footer-wordmark {
  margin-bottom: 16px;
  color: #ffffff;
  font-size: 29px !important;
  font-weight: 400;
  letter-spacing: -.05em;
}

.footer-wordmark b {
  font-weight: 700;
  letter-spacing: .015em;
}

.footer-brand > p:last-child,
.footer-address p {
  color: rgba(255, 255, 255, .42);
  font-size: 10px;
  line-height: 1.65;
}

.prism-footer .copyright {
  color: rgba(255, 255, 255, .35);
  letter-spacing: .05em;
  white-space: nowrap;
}

.js [data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 750ms cubic-bezier(.2, .7, .2, 1), transform 750ms cubic-bezier(.2, .7, .2, 1);
}

.js [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes prism-aurora {
  from { transform: translate3d(-2%, -2%, 0) rotate(-2deg) scale(1); }
  to { transform: translate3d(3%, 2%, 0) rotate(2deg) scale(1.07); }
}

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

@keyframes core-pulse {
  0%, 100% { opacity: .25; transform: scale(.82); transform-origin: 385px 318px; }
  50% { opacity: .62; transform: scale(1.08); transform-origin: 385px 318px; }
}

@keyframes signal-flow {
  to { stroke-dashoffset: -34; }
}

@keyframes ray-pulse {
  0%, 100% { opacity: .52; }
  50% { opacity: .78; }
}

@media (max-width: 1120px) {
  .prism-hero-layout {
    grid-template-columns: minmax(380px, .92fr) minmax(460px, 1.08fr);
    gap: 6px;
  }

  .prism-stage {
    min-height: 520px;
  }

  .pillar-ribbon-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .ribbon-label {
    grid-column: 1 / -1;
    min-height: auto;
    padding: 24px 0 18px;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, .09);
  }

  .manifesto-layout {
    grid-template-columns: minmax(220px, .6fr) minmax(500px, 1.4fr);
    gap: 55px;
  }

  .pillar-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .prism-hero {
    min-height: auto;
  }

  .prism-hero-layout {
    padding-top: 86px;
    padding-bottom: 66px;
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .prism-hero-copy {
    max-width: 720px;
  }

  .prism-stage {
    height: 590px;
    min-height: 0;
  }

  .hero-index {
    display: none;
  }

  .manifesto-layout,
  .section-heading {
    grid-template-columns: 1fr;
  }

  .manifesto-aside {
    align-items: flex-end;
    flex-direction: row;
  }

  .manifesto-aside .aside-word {
    margin-bottom: 0;
  }

  .section-heading > p,
  .section-heading.light .arrow-link,
  .section-heading.compact .arrow-link {
    justify-self: start;
  }

  .research-spectrum-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }

  .spectrum-card,
  .spectrum-card-wide {
    grid-row: auto;
    min-height: 360px;
  }

  .prism-footer .footer-content {
    grid-template-columns: 1fr 1fr;
  }

  .prism-footer .copyright {
    grid-column: 1 / -1;
  }

  .prism-footer .footer-meta {
    grid-column: 1 / -1;
    align-items: flex-start;
    flex-direction: row;
    justify-content: space-between;
  }
}

@media (max-width: 820px) {
  .site-header,
  .nav-container {
    height: 72px;
  }

  .nav-toggle span {
    background: rgba(255, 255, 255, .86);
  }

  .nav-menu {
    top: 72px;
    border-color: rgba(255, 255, 255, .09);
    background: rgba(14, 17, 23, .99);
    box-shadow: 0 20px 40px rgba(0, 0, 0, .24);
  }

  .nav-link {
    color: rgba(255, 255, 255, .65);
  }
}

@media (max-width: 680px) {
  .prism-hero-layout {
    padding-top: 70px;
    padding-bottom: 48px;
  }

  .hero-kicker {
    margin-bottom: 27px;
  }

  .prism-hero h1 {
    font-size: clamp(49px, 14.5vw, 72px);
  }

  .hero-expansion {
    margin-top: 30px;
    font-size: 16px;
  }

  .hero-statement {
    font-size: 13px;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 21px;
  }

  .prism-stage {
    height: 430px;
    margin-left: -10%;
    width: 120%;
  }

  .pillar-ribbon-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .ribbon-label {
    grid-column: 1 / -1;
  }

  .pillar-ribbon article:nth-of-type(2) {
    border-right: 0;
  }

  .lab-manifesto,
  .intelligence-loop,
  .research-spectrum,
  .prism-news {
    padding: 88px 0;
  }

  .manifesto-heading {
    padding-bottom: 44px;
  }

  .manifesto-heading h2,
  .section-heading h2 {
    font-size: clamp(38px, 11vw, 54px);
  }

  .manifesto-layout {
    padding-top: 45px;
  }

  .manifesto-aside {
    align-items: flex-start;
    flex-direction: column;
  }

  .manifesto-aside .aside-word {
    font-size: 70px;
  }

  .manifesto-copy .manifesto-lead {
    font-size: 25px;
  }

  .section-heading {
    margin-bottom: 46px;
    gap: 26px;
  }

  .pillar-cards {
    grid-template-columns: 1fr;
  }

  .pillar-card {
    min-height: 350px;
  }

  .research-spectrum-grid {
    gap: 11px;
  }

  .spectrum-card,
  .spectrum-card-wide {
    min-height: 340px;
    padding: 27px 24px;
  }

  .prism-news .news-row {
    padding: 22px 2px;
    grid-template-columns: 74px 1fr;
    gap: 13px;
  }

  .prism-news .news-arrow {
    display: none;
  }

  .join-banner {
    min-height: 570px;
  }

  .join-beams i {
    left: 47%;
    width: 90vw;
  }

  .join-banner h2 {
    font-size: clamp(53px, 16vw, 76px);
  }

  .prism-footer .footer-content {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .prism-footer .copyright {
    grid-column: auto;
  }

  .prism-footer .footer-meta {
    grid-column: auto;
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-aurora,
  .prism-orbit,
  .prism-core-glow,
  .signal-core,
  .ray-line {
    animation: none !important;
  }

  .js [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

/* Homepage simplification and restored introduction */

:root {
  --intelligence: #91ce64;
}

.prism-hero h1.hero-expansion {
  max-width: 650px;
  margin-top: 0;
  color: #ffffff;
  font-size: clamp(38px, 3.6vw, 55px);
  font-weight: 500;
  letter-spacing: -.048em;
  line-height: 1.08;
}

.prism-hero .hero-expansion .expansion-line {
  display: block;
  background: none;
  color: #ffffff;
}

.prism-hero .hero-expansion .prism-initial {
  display: inline;
  background: none;
  font-weight: 650;
}

.prism-hero .hero-expansion .initial-p { color: var(--perception); }
.prism-hero .hero-expansion .initial-r { color: var(--reasoning); }
.prism-hero .hero-expansion .initial-i { color: var(--intelligence); }
.prism-hero .hero-expansion .initial-s { color: var(--learning); }
.prism-hero .hero-expansion .initial-m { color: var(--acting); }

.hero-kicker {
  margin-bottom: 34px;
}

.hero-statement {
  max-width: 550px;
  margin-top: 31px;
}

.pillar-ribbon-grid {
  min-height: 218px;
}

.pillar-ribbon article {
  display: flex;
  flex-direction: column;
}

.pillar-ribbon article ul {
  margin-top: auto;
  padding-top: 24px;
  color: rgba(255, 255, 255, .44);
  font-size: 9px;
  font-weight: 500;
  line-height: 1.55;
  list-style: none;
}

.pillar-ribbon article li + li {
  margin-top: 6px;
}

.pillar-ribbon article li::before {
  content: "+";
  margin-right: 7px;
  color: var(--pillar);
}

.lab-introduction {
  padding: 112px 0 118px;
  border-bottom: 1px solid var(--prism-line);
  background: #ffffff;
}

.introduction-copy {
  max-width: 920px;
  color: #4b5362;
  font-size: 16px;
  line-height: 1.78;
}

.introduction-copy > p + p {
  margin-top: 22px;
}

.introduction-copy > p:first-child {
  color: #252b39;
  font-family: "Space Grotesk", "Inter", sans-serif;
  font-size: clamp(21px, 1.9vw, 27px);
  letter-spacing: -.028em;
  line-height: 1.48;
}

.introduction-copy h2 {
  margin: 38px 0 12px;
  color: var(--prism-ink);
  font-family: "Inter", sans-serif;
  font-size: 15px;
  font-weight: 650;
}

.introduction-copy ul {
  margin: 0 0 24px;
  padding-left: 20px;
}

.introduction-copy li + li {
  margin-top: 4px;
}

.introduction-copy a {
  color: #596270;
  text-decoration: underline;
  text-decoration-color: rgba(89, 98, 112, .34);
  text-underline-offset: 4px;
}

.introduction-research-link {
  font-size: 13px;
  font-weight: 600;
}

.introduction-recruiting-note {
  margin-top: 34px !important;
  padding-top: 27px;
  border-top: 1px solid var(--prism-line);
  color: #5f6674;
  font-size: 14px;
}

.prism-news {
  padding: 100px 0 112px;
}

.plain-section-heading {
  margin-bottom: 42px;
  display: flex;
  align-items: end;
  justify-content: space-between;
}

.plain-section-heading h2 {
  color: var(--prism-ink);
  font-size: 34px;
  font-weight: 520;
  letter-spacing: -.04em;
}

.plain-section-heading a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #666d7a;
  font-size: 11px;
  font-weight: 600;
}

.plain-section-heading a span {
  transition: transform 180ms ease;
}

.plain-section-heading a:hover span {
  transform: translate(3px, -3px);
}

@media (max-width: 680px) {
  .prism-hero h1.hero-expansion {
    font-size: clamp(31px, 9.4vw, 41px);
    line-height: 1.12;
  }

  .hero-statement {
    margin-top: 27px;
  }

  .pillar-ribbon-grid {
    min-height: 0;
  }

  .pillar-ribbon article {
    min-height: 205px;
  }

  .pillar-ribbon article ul {
    padding-top: 22px;
  }

  .lab-introduction {
    padding: 76px 0 82px;
  }

  .introduction-copy {
    font-size: 14px;
  }

  .introduction-copy > p:first-child {
    font-size: 20px;
    line-height: 1.5;
  }

  .prism-news {
    padding: 75px 0 82px;
  }

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

  .plain-section-heading h2 {
    font-size: 28px;
  }
}