:root {
  --bg: #f2eadb;
  --bg-strong: #efe2cf;
  --surface: rgba(255, 250, 241, 0.92);
  --surface-strong: rgba(255, 248, 238, 0.98);
  --surface-cool: rgba(245, 249, 252, 0.94);
  --surface-cool-strong: rgba(239, 246, 251, 0.98);
  --surface-dark: #1d2622;
  --text: #242826;
  --muted: #515752;
  --cardinal: #8c1d40;
  --gold: #d2a84a;
  --sage: #74816f;
  --powder: #dbe8f2;
  --mist: #edf4f8;
  --ice: #f7fbfd;
  --line: rgba(43, 52, 48, 0.12);
  --shadow: 0 20px 46px rgba(44, 39, 32, 0.1);
  --radius-xl: 32px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --container: 1180px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(210, 168, 74, 0.1), transparent 28%),
    radial-gradient(circle at top right, rgba(185, 209, 226, 0.28), transparent 26%),
    linear-gradient(180deg, #f8f3eb 0%, #f2eadb 24%, #eef3f6 65%, #f4efe5 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 18% 12%, rgba(255, 255, 255, 0.26), transparent 16%),
    radial-gradient(circle at 78% 16%, rgba(255, 255, 255, 0.18), transparent 18%);
  opacity: 0.42;
}

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

img,
video {
  display: block;
  width: 100%;
}

video {
  background: #0c0f0d;
}

.site-shell {
  position: relative;
}

.container {
  width: min(calc(100% - 2rem), var(--container));
  margin: 0 auto;
}

.section {
  position: relative;
  padding: 5.5rem 0;
}

.section-alt {
  background:
    linear-gradient(180deg, rgba(244, 248, 251, 0.94), rgba(233, 241, 247, 0.9)),
    linear-gradient(90deg, rgba(154, 183, 205, 0.1), rgba(255, 250, 244, 0.28));
}

.section-heading {
  max-width: 760px;
  margin-bottom: 2.6rem;
}

.section-heading h2,
.hero-copy h1 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  line-height: 0.96;
  letter-spacing: -0.04em;
}

.hero-copy h1 {
  font-size: clamp(2.55rem, 5.1vw, 4.45rem);
  line-height: 0.95;
  max-width: none;
  white-space: nowrap;
}

.section-heading h2 {
  font-size: clamp(2.1rem, 4vw, 3.4rem);
  margin-bottom: 1rem;
}

.section-heading p,
.hero-body,
.hero-lead,
.publication-copy p,
.timeline-item p,
.activity-card li,
.highlight-card p {
  font-size: 1.04rem;
  line-height: 1.75;
  color: var(--muted);
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--cardinal);
  font-size: 0.83rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 1rem 0;
  backdrop-filter: blur(16px);
}

.site-header.scrolled {
  background: rgba(245, 243, 239, 0.92);
  border-bottom: 1px solid rgba(76, 70, 56, 0.08);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  font-weight: 700;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 2.65rem;
  height: 2.65rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cardinal), #b53453);
  color: #fff7ef;
  box-shadow: 0 10px 24px rgba(140, 29, 64, 0.18);
}

.brand-text {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.05rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.3rem;
}

.site-nav a,
.footer-links a,
.profile-links a,
.link-row a {
  position: relative;
}

.site-nav a::after,
.footer-links a::after,
.profile-links a::after,
.link-row a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.18rem;
  width: 100%;
  height: 2px;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--cardinal);
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a[aria-current="true"]::after,
.footer-links a:hover::after,
.profile-links a:hover::after,
.link-row a:hover::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  border: 0;
  border-radius: 999px;
  padding: 0.8rem 1rem;
  font: inherit;
  font-weight: 700;
  background: var(--surface-strong);
  box-shadow: var(--shadow);
}

.hero {
  padding-top: 2.6rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  gap: 2.4rem;
  align-items: center;
}

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

.hero-lead {
  max-width: 38rem;
  margin: 1rem 0 0.9rem;
  font-size: 1.16rem;
  line-height: 1.55;
  font-weight: 500;
  color: var(--text);
}

.hero-body {
  max-width: 38rem;
  margin: 0 0 1.5rem;
  line-height: 1.7;
}

.hero-body a {
  color: var(--cardinal);
  font-weight: 600;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.15rem;
}

.meta-pill {
  display: inline-flex;
  align-items: center;
  min-height: 2.35rem;
  padding: 0.52rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(140, 29, 64, 0.14);
  background: rgba(247, 250, 252, 0.92);
  color: #383e38;
  font-size: 0.93rem;
  font-weight: 600;
}

.hero-actions,
.profile-links,
.link-row,
.footer-links {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-actions {
  margin-bottom: 1rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.25rem;
  padding: 0.8rem 1.25rem;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

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

.button-primary {
  color: #fff9f2;
  background: linear-gradient(135deg, var(--cardinal), #b12b4f);
  box-shadow: 0 16px 40px rgba(140, 29, 64, 0.2);
}

.button-secondary {
  border: 1px solid rgba(31, 36, 34, 0.12);
  background: rgba(245, 249, 252, 0.92);
}

.profile-links {
  margin-bottom: 1.5rem;
  color: var(--muted);
  font-weight: 500;
  gap: 0.7rem;
}

.profile-links a {
  display: inline-grid;
  place-items: center;
  width: 2.9rem;
  height: 2.9rem;
  border-radius: 50%;
  border: 1px solid rgba(126, 136, 144, 0.16);
  background: rgba(248, 251, 252, 0.96);
  box-shadow: 0 10px 20px rgba(44, 52, 59, 0.06);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.profile-links a::after {
  display: none;
}

.profile-links a:hover {
  transform: translateY(-2px);
  border-color: rgba(140, 29, 64, 0.24);
  box-shadow: 0 14px 26px rgba(44, 52, 59, 0.1);
}

.profile-links svg {
  width: 1.2rem;
  height: 1.2rem;
  fill: var(--cardinal);
}

.hero-highlights {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.highlight-card,
.research-panel,
.publication-card,
.activity-card,
.timeline {
  border: 1px solid rgba(50, 55, 50, 0.08);
  background: var(--surface);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
}

#research .research-panel {
  background: var(--surface-cool);
}

#research .research-panel:nth-child(2) {
  background:
    linear-gradient(180deg, rgba(238, 246, 250, 0.98), rgba(246, 250, 252, 0.94));
}

#publications {
  background:
    radial-gradient(circle at 88% 12%, rgba(187, 211, 226, 0.18), transparent 18%),
    radial-gradient(circle at 12% 72%, rgba(255, 248, 239, 0.4), transparent 24%),
    linear-gradient(
      180deg,
      rgba(249, 252, 254, 0.97) 0%,
      rgba(241, 247, 251, 0.94) 42%,
      rgba(246, 248, 248, 0.92) 72%,
      rgba(250, 246, 239, 0.9) 100%
    );
}

#publications .publication-card {
  background: rgba(255, 252, 247, 0.98);
}

#publications .publication-feature {
  background:
    linear-gradient(180deg, rgba(250, 252, 253, 0.98), rgba(255, 251, 246, 0.95));
}

#publications .publication-copy {
  height: 100%;
  background: linear-gradient(180deg, rgba(255, 252, 248, 0.96), rgba(255, 249, 242, 0.94));
}

.news-layout .section-heading {
  max-width: 680px;
}

.timeline {
  background:
    linear-gradient(180deg, rgba(241, 247, 251, 0.96), rgba(249, 252, 254, 0.92));
}

#activities {
  background:
    linear-gradient(180deg, rgba(252, 250, 246, 0.94), rgba(246, 248, 250, 0.92));
}

#activities .activity-card:not(.activity-visual) {
  background:
    linear-gradient(180deg, rgba(251, 252, 253, 0.96), rgba(255, 249, 242, 0.9));
}

.site-footer {
  background:
    linear-gradient(180deg, rgba(239, 245, 249, 0.72), rgba(248, 243, 235, 0.78));
}

.highlight-card {
  min-height: 100%;
  padding: 1.1rem 1.15rem;
  border-radius: var(--radius-md);
}

.highlight-kicker {
  display: inline-block;
  margin-bottom: 0.75rem;
  color: var(--gold);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.highlight-card strong {
  display: block;
  margin-bottom: 0.45rem;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.02rem;
  line-height: 1.25;
}

.highlight-card p {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.5;
}

.hero-media {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.95rem;
  align-content: start;
}

.hero-portrait {
  overflow: hidden;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
}

.hero-portrait-photo {
  aspect-ratio: 1 / 1;
}

.hero-portrait img {
  height: 100%;
  object-fit: cover;
}

.hero-portrait-main {
  grid-column: 1;
  grid-row: 1;
}

.hero-portrait-side {
  grid-column: 2;
  grid-row: 1;
}

.hero-portrait-wide {
  grid-column: 1 / span 2;
  grid-row: 2;
  width: calc(50% - 0.475rem);
  justify-self: center;
}

.research-grid,
.activities-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

#research .research-grid {
  align-items: start;
}

.research-panel,
.activity-card {
  padding: 1.5rem;
  border-radius: var(--radius-lg);
}

.research-panel h3,
.activity-card h3,
.publication-copy h3 {
  margin: 0 0 1rem;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.35rem;
}

.clean-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.clean-list li + li {
  margin-top: 0.8rem;
}

.research-panel-circles {
  grid-column: span 2;
}

.circle-cluster {
  position: relative;
  min-height: 28rem;
  margin-top: 0.8rem;
}

.core-circle {
  position: absolute;
  display: grid;
  place-items: center;
  border-radius: 50%;
  text-align: center;
  padding: 1rem;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  line-height: 1.2;
  color: #273038;
  border: 1px solid rgba(137, 38, 67, 0.12);
  box-shadow: 0 16px 30px rgba(55, 73, 91, 0.08);
}

.core-circle-vla {
  width: 13rem;
  height: 13rem;
  left: 50%;
  top: 50%;
  transform: translate(-82%, -58%);
  background: linear-gradient(180deg, rgba(255, 252, 247, 0.98), rgba(248, 241, 234, 0.94));
  font-size: 1.1rem;
  z-index: 2;
}

.core-circle-rl {
  width: 11.5rem;
  height: 11.5rem;
  left: 50%;
  top: 50%;
  transform: translate(8%, -36%);
  background: linear-gradient(180deg, rgba(240, 247, 251, 0.98), rgba(228, 239, 247, 0.95));
  font-size: 1.02rem;
  z-index: 2;
}

.core-circle-mobile {
  width: 8rem;
  height: 8rem;
  left: 3%;
  top: 8%;
  background: linear-gradient(180deg, rgba(248, 252, 253, 0.98), rgba(237, 244, 248, 0.94));
}

.core-circle-recovery {
  width: 8.25rem;
  height: 8.25rem;
  right: 4%;
  top: 10%;
  background: linear-gradient(180deg, rgba(255, 252, 247, 0.98), rgba(245, 237, 230, 0.95));
}

.core-circle-robot {
  width: 7rem;
  height: 7rem;
  left: 16%;
  bottom: 10%;
  background: linear-gradient(180deg, rgba(244, 249, 252, 0.98), rgba(232, 241, 247, 0.95));
}

.core-circle-embodied {
  width: 7.4rem;
  height: 7.4rem;
  left: 42%;
  bottom: 0;
  background: linear-gradient(180deg, rgba(255, 252, 247, 0.98), rgba(247, 241, 235, 0.95));
}

.core-circle-policy {
  width: 6.8rem;
  height: 6.8rem;
  right: 23%;
  bottom: 7%;
  background: linear-gradient(180deg, rgba(242, 248, 252, 0.98), rgba(231, 239, 246, 0.95));
}

.core-circle-multi {
  width: 7.6rem;
  height: 7.6rem;
  right: 2%;
  bottom: 16%;
  background: linear-gradient(180deg, rgba(250, 252, 253, 0.98), rgba(239, 245, 249, 0.95));
}

.publication-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

.publication-card {
  overflow: hidden;
  border-radius: 28px;
}

#publications .publication-card:not(.publication-feature) {
  display: grid;
  grid-template-rows: auto 1fr;
}

.publication-feature {
  grid-column: span 2;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
}

.media-frame {
  aspect-ratio: 16 / 10;
  background: #0f1512;
}

.media-frame img,
.media-frame video {
  height: 100%;
  object-fit: cover;
}

.media-image {
  background: linear-gradient(180deg, #d8d0c2, #c8bcaa);
}

.publication-copy {
  padding: 1.4rem 1.45rem 1.5rem;
}

.meta-line {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.8rem;
  color: var(--cardinal);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.authors {
  margin-top: -0.2rem;
  font-size: 0.95rem;
  color: #4a524b;
}

.link-row {
  margin-top: 1rem;
  color: var(--cardinal);
  font-weight: 700;
}

.news-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 2rem;
  align-items: start;
}

.timeline {
  border-radius: 28px;
  padding: 1.2rem 1.35rem;
}

.timeline-item {
  position: relative;
  padding: 0.8rem 0 0.8rem 1.3rem;
  border-left: 2px solid rgba(140, 29, 64, 0.16);
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -0.44rem;
  top: 1.1rem;
  width: 0.8rem;
  height: 0.8rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cardinal), var(--gold));
}

.timeline-item + .timeline-item {
  margin-top: 0.3rem;
}

.timeline-date {
  display: inline-block;
  margin-bottom: 0.35rem;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--cardinal);
}

.timeline-item p {
  margin: 0;
}

.activities-grid {
  grid-template-columns: 1fr 1fr 1fr 0.85fr;
}

.activity-visual {
  padding: 0;
  overflow: hidden;
}

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

.site-footer {
  padding: 2rem 0 3rem;
}

.footer-wrap {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(50, 55, 50, 0.12);
}

.footer-name {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.15rem;
}

.footer-note {
  margin: 0.3rem 0 0;
  color: var(--muted);
}

.js .reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 600ms ease, transform 600ms ease;
}

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

@media (max-width: 1080px) {
  .hero-grid,
  .news-layout,
  .publication-feature,
  .activities-grid {
    grid-template-columns: 1fr;
  }

  .publication-feature {
    grid-column: span 1;
  }

  .research-panel-circles {
    grid-column: span 1;
  }

  .hero-highlights,
  .research-grid,
  .publication-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 760px) {
  .section {
    padding: 4.4rem 0;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 0.6rem);
    right: 1rem;
    left: 1rem;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem;
    border-radius: 20px;
    background: rgba(255, 249, 241, 0.96);
    box-shadow: var(--shadow);
  }

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

  .hero {
    padding-top: 2rem;
  }

  .hero-grid {
    gap: 1.5rem;
    align-items: start;
  }

  .hero-copy {
    order: 1;
  }

  .hero-media {
    order: 2;
  }

  .hero-copy h1 {
    font-size: clamp(2.1rem, 8.8vw, 3.2rem);
  }

  .hero-media {
    grid-template-columns: 1fr;
    gap: 0.85rem;
  }

  .hero-portrait-main,
  .hero-portrait-side,
  .hero-portrait-wide {
    grid-column: auto;
    grid-row: auto;
    width: 100%;
  }

  .hero-portrait-photo {
    aspect-ratio: 1 / 1;
  }

  .hero-highlights {
    grid-template-columns: 1fr;
  }

  .circle-cluster {
    min-height: auto;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.85rem;
  }

  .core-circle {
    position: static;
    width: 100%;
    height: auto;
    min-height: 7rem;
    transform: none;
    aspect-ratio: 1 / 1;
  }

  .core-circle-vla,
  .core-circle-rl {
    min-height: 8.4rem;
  }

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

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