.page-about .ab-hero {
  position: relative;
  padding: var(--s-5) 0 var(--s-4);
  border-bottom: 1px solid var(--c-hairline);
  background-color: var(--c-night);
  background-image:
    linear-gradient(var(--c-hairline-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--c-hairline-soft) 1px, transparent 1px);
  background-size: 64px 64px;
  background-position: center top;
}

.page-about .ab-hero-grid {
  display: grid;
  gap: var(--s-4);
  margin-top: var(--s-3);
}

@media (min-width: 900px) {
  .page-about .ab-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: var(--s-5);
  }
}

.page-about .ab-hero h1 {
  font-size: clamp(29px, 6.2vw, 56px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--c-paper);
  margin: var(--s-2) 0 var(--s-3);
  max-width: 20ch;
}

.page-about .ab-hero .lede {
  max-width: var(--prose);
  color: var(--c-mist);
  font-size: 16.5px;
  line-height: 1.9;
  margin: 0;
}

.page-about .ab-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
  margin-top: var(--s-3);
}

.page-about .ab-stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--c-hairline);
  border: 1px solid var(--c-hairline);
  overflow: hidden;
}

.page-about .ab-stat {
  background: var(--c-locker);
  padding: var(--s-3) var(--s-3);
}

.page-about .ab-stat-value {
  display: block;
  font-family: var(--f-mono);
  font-size: 26px;
  font-weight: 600;
  line-height: 1.1;
  color: var(--c-cyan);
  letter-spacing: 0.02em;
}

.page-about .ab-stat-unit {
  font-size: 14px;
  margin-left: 2px;
}

.page-about .ab-stat-label {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--c-mist);
}

.page-about .ab-section {
  padding: var(--s-5) 0;
  border-bottom: 1px solid var(--c-hairline-soft);
}

.page-about .ab-section--closing {
  border-bottom: 0;
}

.page-about .ab-panel {
  display: grid;
  gap: var(--s-3);
}

@media (min-width: 860px) {
  .page-about .ab-panel {
    grid-template-columns: 76px minmax(0, 1fr);
    gap: var(--s-4);
  }
}

.page-about .ab-panel-index {
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--c-cyan);
}

@media (min-width: 860px) {
  .page-about .ab-panel-index {
    position: sticky;
    top: 120px;
    align-self: start;
  }

  .page-about .ab-panel-index::after {
    content: "";
    display: block;
    width: 1px;
    height: 56px;
    margin-top: var(--s-2);
    background: linear-gradient(var(--c-cyan-line), transparent);
  }
}

.page-about .ab-panel-body {
  color: var(--c-paper);
  min-width: 0;
}

.page-about .ab-panel-head h2 {
  font-size: clamp(22px, 3.6vw, 34px);
  line-height: 1.28;
  margin: var(--s-1) 0 var(--s-2);
  letter-spacing: -0.005em;
}

.page-about .ab-panel-head p {
  max-width: var(--prose);
  margin: 0;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--c-mist);
}

.page-about .ab-split {
  display: grid;
  gap: var(--s-3);
  margin-top: var(--s-4);
}

@media (min-width: 1040px) {
  .page-about .ab-split {
    grid-template-columns: minmax(0, 1.75fr) minmax(0, 1fr);
    gap: var(--s-4);
    align-items: start;
  }
}

.page-about .ab-roles {
  display: grid;
  gap: 1px;
  background: var(--c-hairline);
  border: 1px solid var(--c-hairline);
  overflow: hidden;
}

@media (min-width: 640px) {
  .page-about .ab-roles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-about .ab-role {
  background: var(--c-night);
  padding: var(--s-3);
  transition: background var(--dur-mid) var(--ease), box-shadow var(--dur-mid) var(--ease);
}

.page-about .ab-role:hover,
.page-about .ab-role:focus-within {
  background: var(--c-cyan-faint);
  box-shadow: inset 0 0 0 1px var(--c-cyan-line);
}

.page-about .ab-role-count {
  font-family: var(--f-mono);
  font-size: 30px;
  font-weight: 600;
  line-height: 1;
  color: var(--c-cyan);
  margin: 0;
}

.page-about .ab-role-unit {
  font-size: 12px;
  margin-left: 4px;
  color: var(--c-mist);
}

.page-about .ab-role-name {
  font-size: 17px;
  margin: var(--s-2) 0 var(--s-1);
  color: var(--c-paper);
}

.page-about .ab-role-desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--c-mist);
}

.page-about .ab-media {
  margin: 0;
  border: 1px solid var(--c-hairline);
  background: var(--c-locker);
  overflow: hidden;
}

.page-about .ab-media--spaced {
  margin-top: var(--s-4);
}

.page-about .ab-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .ab-media--tall img {
  aspect-ratio: 3 / 4;
}

.page-about .ab-media--wide img {
  aspect-ratio: 14 / 9;
}

.page-about .ab-timeline {
  position: relative;
  list-style: none;
  margin: var(--s-4) 0 0;
  padding: 0 0 0 var(--s-3);
  border-left: 1px solid var(--c-grid);
}

.page-about .ab-timeline-item {
  position: relative;
  padding-bottom: var(--s-4);
}

.page-about .ab-timeline-item:last-child {
  padding-bottom: 0;
}

.page-about .ab-timeline-item::before {
  content: "";
  position: absolute;
  left: calc(-1 * var(--s-3) - 5px);
  top: 5px;
  width: 9px;
  height: 9px;
  background: var(--c-night);
  border: 1px solid var(--c-cyan);
}

.page-about .ab-timeline-time {
  margin: 0;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-cyan);
}

.page-about .ab-timeline h3 {
  font-size: 19px;
  margin: var(--s-1) 0 var(--s-1);
  color: var(--c-paper);
}

.page-about .ab-timeline-item > p:not(.ab-timeline-time) {
  margin: 0;
  max-width: var(--prose);
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-mist);
}

.page-about .ab-details {
  margin-top: var(--s-2);
  border-top: 1px solid var(--c-hairline-soft);
  max-width: var(--prose);
}

.page-about .ab-details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-2);
  padding: var(--s-2) 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--c-mist);
  transition: color var(--dur-fast) var(--ease);
}

.page-about .ab-details summary::-webkit-details-marker {
  display: none;
}

.page-about .ab-details summary::after {
  content: "+";
  font-family: var(--f-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--c-cyan);
  transition: transform var(--dur-mid) var(--ease);
}

.page-about .ab-details[open] summary::after {
  transform: rotate(45deg);
}

.page-about .ab-details summary:hover,
.page-about .ab-details summary:focus-visible {
  color: var(--c-paper);
}

.page-about .ab-details ul {
  list-style: none;
  margin: 0 0 var(--s-3);
  padding: 0;
}

.page-about .ab-details li {
  position: relative;
  padding-left: var(--s-2);
  font-size: 14px;
  line-height: 1.9;
  color: var(--c-mist);
}

.page-about .ab-details li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 13px;
  width: 6px;
  height: 1px;
  background: var(--c-cyan-line);
}

.page-about .ab-year-index {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-1);
  margin-top: var(--s-3);
}

.page-about .ab-year-index a {
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  padding: 6px 12px;
  border: 1px solid var(--c-hairline);
  color: var(--c-mist);
  text-decoration: none;
  transition: color var(--dur-mid) var(--ease), border-color var(--dur-mid) var(--ease), background var(--dur-mid) var(--ease);
}

.page-about .ab-year-index a:hover,
.page-about .ab-year-index a:focus-visible {
  border-color: var(--c-cyan-line);
  background: var(--c-cyan-faint);
  color: var(--c-cyan);
}

.page-about .ab-years {
  margin-top: var(--s-4);
  border-top: 1px solid var(--c-hairline);
}

.page-about .ab-year {
  display: grid;
  gap: var(--s-1);
  padding: var(--s-3) 0;
  border-bottom: 1px solid var(--c-hairline-soft);
  scroll-margin-top: 120px;
}

@media (min-width: 700px) {
  .page-about .ab-year {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: var(--s-3);
    align-items: start;
  }
}

.page-about .ab-year-label {
  margin: 0;
  font-family: var(--f-mono);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--c-paper);
}

.page-about .ab-year p:not(.ab-year-label) {
  margin: 0;
  max-width: var(--prose);
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-mist);
}

.page-about .ab-partners {
  display: grid;
  gap: 1px;
  background: var(--c-hairline);
  border: 1px solid var(--c-hairline);
  overflow: hidden;
  margin-top: var(--s-4);
}

@media (min-width: 760px) {
  .page-about .ab-partners {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-about .ab-partner {
  background: var(--c-locker);
  padding: var(--s-3);
  transition: background var(--dur-mid) var(--ease);
}

.page-about .ab-partner:hover {
  background: var(--c-pitch);
}

.page-about .ab-partner-count {
  margin: 0;
  font-family: var(--f-mono);
  font-size: 32px;
  font-weight: 600;
  line-height: 1;
  color: var(--c-cyan);
}

.page-about .ab-partner-name {
  font-size: 16px;
  margin: var(--s-2) 0 var(--s-1);
  color: var(--c-paper);
}

.page-about .ab-partner p:not(.ab-partner-count) {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-mist);
}

.page-about .ab-partners-note {
  max-width: var(--prose);
  margin: var(--s-3) 0 0;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--c-mist);
}

.page-about .ab-coverage {
  display: grid;
  gap: var(--s-3);
  margin-top: var(--s-4);
}

@media (min-width: 960px) {
  .page-about .ab-coverage {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--s-4);
    align-items: start;
  }
}

.page-about .ab-coverage-copy p {
  max-width: var(--prose);
  margin: 0 0 var(--s-2);
  font-size: 15px;
  line-height: 1.9;
  color: var(--c-mist);
}

.page-about .ab-venue {
  margin: var(--s-3) 0 0;
  border-top: 1px solid var(--c-hairline);
  padding-top: var(--s-2);
}

.page-about .ab-venue dt {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-cyan);
}

.page-about .ab-venue dd {
  margin: var(--s-1) 0 0;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--c-paper);
}

.page-about .ab-venue-note {
  margin: var(--s-2) 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--c-mist);
}

.page-about .ab-stat-grid--wide {
  margin-top: var(--s-4);
}

@media (min-width: 720px) {
  .page-about .ab-stat-grid--wide {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-about .ab-cta {
  display: grid;
  gap: var(--s-3);
  padding: var(--s-4) 0;
  border-top: 1px solid var(--c-cyan-line);
}

@media (min-width: 900px) {
  .page-about .ab-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: var(--s-5);
  }
}

.page-about .ab-cta h2 {
  font-size: clamp(23px, 3.6vw, 34px);
  line-height: 1.26;
  margin: var(--s-1) 0 var(--s-2);
  color: var(--c-paper);
  max-width: 24ch;
}

.page-about .ab-cta-main p:not(.eyebrow) {
  max-width: var(--prose);
  margin: 0;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--c-mist);
}

.page-about .ab-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
}

@media (prefers-reduced-motion: reduce) {
  .page-about .ab-role,
  .page-about .ab-partner,
  .page-about .ab-year-index a,
  .page-about .ab-details summary,
  .page-about .ab-details summary::after {
    transition: none;
  }
}