.cluster-intro {
  display: grid;
  grid-template-columns: minmax(180px, .22fr) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  border-bottom: 1px solid var(--color-line);
}

.cluster-intro h2 {
  margin: 0 0 16px;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: clamp(30px, 5vw, 64px);
  font-weight: 500;
  line-height: .95;
  letter-spacing: 0;
}

.cluster-intro p:not(.eyebrow) {
  margin: 4px 0 18px;
  color: var(--color-muted);
  font-size: clamp(16px, 1.6vw, 22px);
  line-height: 1.3;
  font-weight: 500;
}

.frontier-intro {
  grid-template-columns: minmax(0, 1fr);
}

.frontier-intro h2 {
  max-width: 960px;
}

.frontier-intro > p:not(.eyebrow) {
  max-width: 900px;
}

.frontier-intro .entity-definition {
  max-width: 980px;
  color: var(--color-ink);
  font-size: clamp(18px, 1.8vw, 25px);
}

.systems-definition {
  display: grid;
  grid-template-columns: minmax(180px, .22fr) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  padding: 34px 0 40px;
  border-bottom: 1px solid var(--color-line);
}

.systems-definition h2 {
  max-width: 620px;
  margin: 0;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: clamp(30px, 5vw, 64px);
  font-weight: 500;
  line-height: .95;
  letter-spacing: 0;
}

.systems-definition dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  border: 1px solid var(--color-line);
  background: var(--color-line);
}

.systems-definition dl > div {
  min-height: 190px;
  padding: clamp(20px, 3vw, 32px);
  background: var(--color-bg);
}

.systems-definition dt {
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: clamp(1.2rem, 1.8vw, 1.75rem);
  line-height: 1.05;
  font-weight: 800;
}

.systems-definition dd {
  margin: 16px 0 0;
  color: var(--color-muted);
  font-size: 16px;
  line-height: 1.55;
}

.founder-strip {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: 22px 12px;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.founder-strip img {
  width: 72px;
  aspect-ratio: 1;
  object-fit: cover;
  border: 1px solid var(--color-line);
  border-radius: 0;
  filter: grayscale(1);
}

.founder-strip h2 {
  max-width: 980px;
  margin: 0;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 42px);
  font-weight: 500;
  line-height: 1.04;
  letter-spacing: 0;
}

.founder-strip a {
  justify-self: end;
  color: var(--color-blue-bright);
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
}

.founder-strip a::after {
  content: " ->";
}

.codex-intro {
  padding-top: 48px;
  grid-template-columns: minmax(0, .62fr) minmax(280px, .38fr);
}

.codex-intro h2 {
  max-width: 760px;
}

.site-header nav a::before,
.site-header nav a::after,
.site-footer nav a::before,
.site-footer nav a::after,
nav a::before,
nav a::after {
  content: none !important;
}

.case-study-section {
  display: none;
  padding: 44px 0 50px;
  border-bottom: 1px solid var(--color-line);
}

.case-study-section:target {
  display: block;
}

.case-study-section.visible-results {
  display: block;
}

.case-study-head {
  max-width: 980px;
  margin-bottom: 26px;
}

.case-study-head h2 {
  max-width: 980px;
  margin: 0;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: clamp(38px, 6vw, 82px);
  font-weight: 500;
  line-height: .95;
  letter-spacing: 0;
}

.case-study-head p:not(.eyebrow) {
  max-width: 860px;
  margin: 18px 0 0;
  color: var(--color-muted);
  font-size: clamp(16px, 1.6vw, 22px);
  line-height: 1.35;
  font-weight: 500;
}

.case-study-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.case-study-strip span {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  padding: 0 11px;
  border: 1px solid var(--color-line);
  background: var(--color-chip);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
}

.case-study-strip strong {
  margin-right: 7px;
  color: var(--color-ink);
}

.case-study-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.case-study-card {
  display: block;
  min-height: 260px;
  padding: 22px;
  border: 1px solid var(--color-line);
  background:
    linear-gradient(135deg, rgba(10, 114, 255, .18), rgba(31, 182, 255, .04)),
    var(--color-card);
  color: inherit;
  text-decoration: none;
  transition: background .18s ease, border-color .18s ease, color .18s ease;
}

.case-study-card:hover,
.case-study-card:focus-visible {
  border-color: rgba(31, 182, 255, .85);
  background:
    linear-gradient(90deg, rgba(10, 114, 255, .24), rgba(31, 182, 255, .09) 48%, rgba(31, 182, 255, .02)),
    var(--color-chip);
  outline: none;
}

.case-study-card span {
  display: inline-flex;
  min-height: 22px;
  align-items: center;
  padding: 0 7px;
  border: 1px solid var(--color-line);
  background: var(--color-chip);
  color: var(--color-blue-bright);
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
}

.case-study-card h3 {
  margin: 22px 0 12px;
  color: var(--color-ink);
  font-size: clamp(28px, 3vw, 48px);
  line-height: .95;
  font-weight: 500;
  letter-spacing: 0;
}

.case-study-card p {
  margin: 0;
  color: var(--color-muted);
  font-size: 16px;
  line-height: 1.45;
  font-weight: 500;
}

.case-study-article-hero {
  padding: 52px 0 40px;
  border-bottom: 1px solid var(--color-line);
}

.case-study-article-hero h1 {
  max-width: 1180px;
  margin: 0;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: clamp(54px, 8vw, 112px);
  line-height: .9;
  font-weight: 700;
  letter-spacing: 0;
}

.case-study-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}

.case-study-meta span {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 0 9px;
  border: 1px solid var(--color-line);
  background: var(--color-chip);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
}

.case-study-story {
  display: grid;
  grid-template-columns: minmax(0, 760px) minmax(260px, 360px);
  gap: clamp(28px, 5vw, 70px);
  justify-content: center;
  padding: 42px 0 60px;
}

.case-study-content {
  display: grid;
  gap: 22px;
}

.case-study-content p,
.case-study-content li {
  color: var(--color-ink);
  font-size: clamp(18px, 1.55vw, 22px);
  line-height: 1.55;
}

.case-study-content h2,
.case-study-side h2 {
  margin: 22px 0 0;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 56px);
  font-weight: 500;
  line-height: .98;
  letter-spacing: 0;
}

.case-study-content ul {
  margin: 0;
  padding-left: 20px;
}

.case-study-side {
  display: grid;
  align-content: start;
  gap: 14px;
}

.case-study-fact {
  padding: 18px;
  border: 1px solid var(--color-line);
  background: var(--color-chip);
}

.case-study-fact strong {
  display: block;
  color: var(--color-blue-bright);
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
}

.case-study-fact span {
  display: block;
  margin-top: 10px;
  color: var(--color-ink);
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.05;
}

.about-hero,
.results-hero {
  display: grid;
  gap: 28px;
  padding: 52px 0 46px;
  border-bottom: 1px solid var(--color-line);
}

.about-hero {
  grid-template-columns: minmax(0, 1fr) minmax(280px, 340px) minmax(220px, 320px);
  align-items: end;
}

.about-hero h1,
.results-hero h1 {
  max-width: 1160px;
  margin: 0;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: clamp(68px, 9vw, 126px);
  line-height: .9;
  font-weight: 700;
  letter-spacing: 0;
}

.about-photo {
  position: relative;
  margin: 0;
  border: 1px solid var(--color-line);
  background: var(--color-card);
}

.about-photo-feature {
  box-shadow:
    16px 16px 0 rgba(10, 114, 255, .72),
    0 34px 90px rgba(0, 0, 0, .28);
}

.about-photo img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.about-photo figcaption {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 16px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, .18);
  background: rgba(5, 5, 5, .78);
  backdrop-filter: blur(10px);
}

.about-photo figcaption strong {
  color: var(--color-blue-bright);
  font-family: var(--font-mono);
  font-size: 24px;
}

.about-photo figcaption span {
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  text-align: right;
}

.about-action-card {
  padding: 22px;
  border: 1px solid var(--color-line);
  background:
    linear-gradient(135deg, rgba(10, 114, 255, .16), rgba(31, 182, 255, .04)),
    var(--color-card);
}

.about-action-card h2 {
  margin: 0;
  color: var(--color-ink);
  font-size: clamp(28px, 3.2vw, 46px);
  line-height: .96;
  font-weight: 500;
  letter-spacing: 0;
}

.about-action-card p:not(.eyebrow) {
  margin: 16px 0 0;
  color: var(--color-muted);
  font-size: 16px;
  line-height: 1.4;
  font-weight: 500;
}

.about-action-links {
  display: grid;
  gap: 10px;
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--color-line);
}

.about-action-links a {
  color: var(--color-blue-bright);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.25;
  text-transform: uppercase;
}

.about-action-links a::after {
  content: " ->";
}

.about-action-links a:hover,
.about-action-links a:focus-visible {
  color: var(--color-ink);
  outline: none;
}

.motion-marquee {
  overflow: hidden;
  display: flex;
  padding: 22px 0;
  border-bottom: 1px solid var(--color-line);
}

.motion-marquee-track {
  display: flex;
  width: max-content;
  gap: 0;
  animation: topic-marquee 28s linear infinite;
}

.motion-marquee span {
  flex: 0 0 auto;
  color: var(--color-blue-bright);
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  white-space: nowrap;
}

.motion-marquee span::after {
  content: "◆";
  margin-left: 8px;
  margin-right: 8px;
  color: var(--color-faint);
}

@keyframes topic-marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.about-story-grid,
.results-intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 380px);
  gap: 18px;
  padding: 44px 0;
  border-bottom: 1px solid var(--color-line);
}

.about-story,
.about-stats-panel,
.about-philosophy,
.conversation-section,
.timeline-section,
.results-intro-grid article,
.results-intro-grid aside,
.featured-result,
.results-cta {
  padding: 24px;
  border: 1px solid var(--color-line);
  background: var(--color-card);
}

.about-story h2,
.about-philosophy h2,
.conversation-section h2,
.timeline-section h2,
.results-intro-grid h2,
.results-cta h2 {
  margin: 0 0 16px;
  color: var(--color-ink);
  font-size: clamp(32px, 5vw, 70px);
  line-height: .95;
  font-weight: 500;
  overflow-wrap: anywhere;
}

.about-story p,
.about-philosophy p,
.timeline-section p,
.results-intro-grid p,
.results-cta p,
.results-intro-grid li {
  color: var(--color-muted);
  font-size: 17px;
  line-height: 1.5;
  font-weight: 500;
}

.about-story p + p {
  margin-top: 14px;
}

.about-stats-panel {
  display: grid;
  gap: 0;
  align-content: start;
}

.about-stats-panel div {
  padding: 18px 0;
  border-bottom: 1px solid var(--color-line);
}

.about-stats-panel div:last-child {
  border-bottom: 0;
}

.about-stats-panel strong {
  display: block;
  color: var(--color-blue-bright);
  font-family: var(--font-mono);
  font-size: clamp(28px, 4vw, 52px);
  line-height: 1;
}

.about-stats-panel span {
  display: block;
  margin-top: 8px;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
}

.about-philosophy,
.conversation-section,
.timeline-section,
.featured-result,
.results-cta {
  margin: 44px 0;
}

.timeline-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 24px;
}

.timeline-grid article {
  padding: 18px;
  border: 1px solid var(--color-line);
  background: var(--color-chip);
}

.timeline-grid span,
.result-feature-card span {
  color: var(--color-blue-bright);
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
}

.timeline-grid h3 {
  margin: 14px 0 10px;
  color: var(--color-ink);
  font-size: 24px;
  line-height: 1;
}

.results-intro-grid ul {
  display: grid;
  gap: 10px;
  margin: 16px 0 0;
  padding-left: 20px;
}

.result-feature-card {
  display: block;
}

.result-feature-card h2 {
  margin: 18px 0 12px;
  color: var(--color-ink);
  font-size: clamp(34px, 6vw, 86px);
  line-height: .9;
  font-weight: 500;
}

.result-feature-card p {
  max-width: 860px;
  color: var(--color-muted);
  font-size: 18px;
  line-height: 1.4;
}

.result-feature-card strong {
  display: inline-flex;
  margin-top: 18px;
  color: var(--color-blue-bright);
  font-family: var(--font-mono);
}

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

.video-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 22px;
}

.video-card {
  border: 1px solid var(--color-line);
  background: var(--color-card);
}

.video-card iframe {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  height: auto;
  border: 0;
  background: #000;
}

.video-card h3 {
  margin: 0;
  padding: 14px;
  color: var(--color-ink);
  font-size: 20px;
  line-height: 1;
  font-weight: 500;
}

.conversation-names {
  margin-top: 14px;
  margin-bottom: 0;
}

.results-cta form {
  display: flex;
  gap: 8px;
  margin-top: 20px;
}

.results-cta input,
.results-cta button {
  min-height: 42px;
  border: 1px solid var(--color-line);
  background: var(--color-chip);
  color: var(--color-ink);
  font: inherit;
}

.results-cta input {
  width: min(420px, 100%);
  padding: 0 12px;
}

.results-cta button {
  padding: 0 16px;
  color: var(--color-bg);
  background: var(--color-blue-bright);
  font-family: var(--font-mono);
  text-transform: uppercase;
}

.site-footer {
  width: min(1400px, calc(100% - 24px));
  margin: 0 auto;
  padding: 30px 0 54px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, .8fr);
  gap: 28px;
  border-top: 1px solid var(--color-line);
}

.site-footer .footer-brand,
.footer-brand {
  display: inline-flex;
  color: var(--color-blue-bright);
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 38px);
  line-height: 1;
  font-weight: 500;
  text-decoration: none;
  text-shadow: 0 0 18px rgba(31, 182, 255, .28);
}

.site-footer p {
  max-width: 620px;
  margin: 12px 0 0;
  color: var(--color-muted);
  font-size: 15px;
  line-height: 1.45;
}

.site-footer nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
  align-content: start;
}

.site-footer nav a {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  padding: 0 10px;
  border: 1px solid var(--color-line);
  background: var(--color-chip);
  color: var(--color-ink);
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  transition: background .18s ease, border-color .18s ease, color .18s ease;
}

.site-footer nav a:hover,
.site-footer nav a:focus-visible {
  color: var(--color-blue-bright);
  border-color: var(--color-blue);
  background: var(--color-chip-hover);
  outline: none;
}

@media (max-width: 760px) {
  .cluster-intro {
    grid-template-columns: 1fr;
  }

  .case-study-grid {
    grid-template-columns: 1fr;
  }

  .founder-strip {
    grid-template-columns: 72px minmax(0, 1fr);
  }

  .systems-definition,
  .systems-definition dl {
    grid-template-columns: 1fr;
  }

  .founder-strip a {
    grid-column: 2;
    justify-self: start;
  }

  .about-hero,
  .about-story-grid,
  .case-study-story,
  .results-intro-grid {
    grid-template-columns: 1fr;
  }

  .about-hero h1 {
    font-size: clamp(54px, 18vw, 82px);
  }

  .about-action-card {
    order: 2;
  }

  .about-photo {
    order: 3;
  }

  .timeline-grid,
  .result-archive-grid,
  .video-grid {
    grid-template-columns: 1fr;
  }

  .results-cta form {
    display: grid;
  }

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