.page-about {
  background: var(--space);
  color: var(--ice);
  overflow-x: clip;
}

.page-about .about-hero {
  position: relative;
  padding-block: 28px clamp(48px, 7vw, 88px);
  border-bottom: 1px solid var(--line);
}

.page-about .about-hero .breadcrumbs {
  position: relative;
  z-index: 2;
  margin-bottom: clamp(28px, 5vw, 52px);
}

.page-about .about-hero__trail {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.9;
}

.page-about .about-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 5vw, 50px);
  align-items: end;
}

.page-about .about-hero__mark {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
  overflow: hidden;
}

.page-about .about-hero__year {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(96px, 27vw, 300px);
  line-height: 0.76;
  letter-spacing: -0.07em;
  color: rgba(33, 230, 193, 0.14);
  -webkit-text-stroke: 1px rgba(33, 230, 193, 0.55);
  user-select: none;
}

.page-about .about-hero__year-note {
  max-width: 22em;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-about .about-hero__copy h1 {
  max-width: 14ch;
  margin: 16px 0 20px;
  font-size: clamp(34px, 6.2vw, 64px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.04em;
  text-wrap: balance;
}

.page-about .about-hero__copy .lede {
  max-width: 38em;
  color: var(--mist);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-about .about-section {
  padding-block: clamp(50px, 8vw, 96px);
  border-bottom: 1px solid var(--line);
}

.page-about .about-section__head {
  display: grid;
  gap: 16px;
  margin-bottom: clamp(28px, 5vw, 48px);
}

.page-about .about-section__note {
  max-width: 34em;
  margin: 0;
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-about h2 {
  margin: 0;
  font-size: clamp(30px, 4.6vw, 48px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.page-about h3 {
  margin: 0 0 10px;
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 700;
  line-height: 1.3;
}

.page-about p {
  margin: 0 0 1em;
  line-height: 1.85;
}

.page-about .about-link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.35em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
  font-size: 14px;
  line-height: 1.6;
}

.page-about .about-link:hover {
  color: var(--orange);
  border-bottom-color: var(--line-orange);
}

.page-about .about-origin__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-about .about-rail {
  border-left: 2px solid var(--orange);
  padding-left: 18px;
}

.page-about .about-rail__label {
  margin: 0 0 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--orange);
}

.page-about .about-rail__facts {
  display: grid;
  gap: 18px;
  margin: 0;
}

.page-about .about-rail__fact {
  margin: 0;
}

.page-about .about-rail__fact dt {
  font-size: 12px;
  line-height: 1.5;
  color: var(--slate);
}

.page-about .about-rail__fact dd {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1.3;
  color: var(--ice);
}

.page-about .about-origin__body {
  max-width: 62ch;
}

.page-about .about-origin__body p {
  color: var(--mist);
}

.page-about .about-pull {
  margin: clamp(24px, 4vw, 38px) 0;
  padding-left: 20px;
  border-left: 2px solid var(--orange);
  font-family: var(--font-serif);
  font-size: clamp(22px, 3.2vw, 38px);
  line-height: 1.5;
  color: var(--ice);
}

.page-about .about-figure {
  margin: 0;
  padding: 10px;
  border: 1px solid var(--line-mid);
  background: var(--panel);
}

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

.page-about .about-figure figcaption {
  padding: 12px 4px 2px;
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-about .about-timeline__figure {
  margin-bottom: clamp(30px, 5vw, 48px);
}

.page-about .about-timeline__figure img {
  aspect-ratio: 3 / 2;
}

.page-about .about-timeline {
  position: relative;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: linear-gradient(var(--line-cyan), var(--line-orange));
}

.page-about .timeline-item {
  position: relative;
  padding-left: 40px;
}

.page-about .timeline-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  width: 15px;
  height: 15px;
  border: 1px solid var(--cyan);
  background: var(--space);
  transform: rotate(45deg);
}

.page-about .timeline-item details {
  margin-bottom: 22px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.page-about .timeline-item summary {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px 16px;
  align-items: center;
  cursor: pointer;
  list-style: none;
}

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

.page-about .timeline-item summary::marker {
  content: "";
}

.page-about .timeline-item__year {
  grid-column: 1;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.5;
  color: var(--orange);
}

.page-about .timeline-item__title {
  grid-column: 1 / -1;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
}

.page-about .timeline-item summary .tag {
  grid-column: 2;
  grid-row: 1;
  justify-self: end;
}

.page-about .timeline-item summary .timeline-item__title::after {
  content: " +";
  color: var(--cyan);
  font-family: var(--font-mono);
  font-weight: 400;
}

.page-about .timeline-item details[open] summary .timeline-item__title::after {
  content: " −";
  color: var(--orange);
}

.page-about .timeline-item__body {
  max-width: 58ch;
  padding-top: 12px;
  color: var(--mist);
}

.page-about .timeline-item__body p {
  margin: 0;
}

.page-about .about-section--ice {
  background: var(--ice);
  color: var(--ice-ink);
  border-bottom-color: rgba(44, 58, 85, 0.16);
  --about-rule: rgba(44, 58, 85, 0.18);
  --about-soft: #5c6b85;
}

.page-about .about-section--ice .eyebrow {
  color: var(--ice-ink);
}

.page-about .about-section--ice .about-link {
  color: var(--teal);
  border-bottom-color: rgba(14, 124, 107, 0.4);
}

.page-about .about-section--ice .about-link:hover {
  color: var(--orange);
  border-bottom-color: var(--line-orange);
}

.page-about .about-capability__grid {
  display: grid;
  gap: 30px;
}

.page-about .about-capability__grid > div > p {
  color: var(--about-soft);
}

.page-about .about-facts {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--about-rule);
}

.page-about .about-fact {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 12px;
  align-items: baseline;
  padding: 16px 0;
  border-bottom: 1px solid var(--about-rule);
}

.page-about .about-fact__num {
  font-family: var(--font-mono);
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1;
  color: var(--teal);
}

.page-about .about-fact span:last-child {
  font-size: 14px;
  line-height: 1.65;
  color: var(--about-soft);
}

.page-about .about-conditions {
  margin-top: clamp(30px, 5vw, 48px);
}

.page-about .about-conditions h3 {
  color: var(--ice-ink);
}

.page-about .about-conditions__list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--about-rule);
}

.page-about .about-condition {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--about-rule);
}

.page-about .about-condition__num {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.8;
  color: var(--orange);
}

.page-about .about-condition strong {
  display: block;
  margin-bottom: 4px;
  font-size: 16px;
  color: var(--ice-ink);
}

.page-about .about-condition p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--about-soft);
}

.page-about .about-membership__grid {
  display: grid;
  gap: 34px;
}

.page-about .about-membership__intro p {
  color: var(--mist);
}

.page-about .about-membership__intro .btn {
  margin-top: 8px;
}

.page-about .about-segmented {
  margin-top: 22px;
}

.page-about .about-segmented__tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-about .about-segmented .segmented__btn {
  appearance: none;
  min-height: 40px;
  padding: 9px 16px;
  border: 1px solid var(--line-mid);
  border-radius: var(--radius);
  background: transparent;
  color: var(--mist);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.4;
  cursor: pointer;
}

.page-about .about-segmented .segmented__btn[aria-selected="true"] {
  border-color: var(--cyan);
  background: var(--cyan);
  color: var(--space);
  font-weight: 700;
}

.page-about .about-segmented__panels {
  display: grid;
  gap: 14px;
  padding-top: 18px;
}

.page-about .about-benefit-panel {
  padding: 4px 0 4px 18px;
  border-left: 2px solid var(--line-cyan);
}

.page-about .about-benefit-panel ul {
  margin: 10px 0 0;
  padding-left: 18px;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.8;
}

.page-about .about-benefit-panel p {
  color: var(--mist);
}

.page-about .about-venue {
  display: grid;
  gap: 26px;
  margin-top: clamp(36px, 6vw, 64px);
  padding-top: clamp(30px, 5vw, 48px);
  border-top: 1px solid var(--line-mid);
}

.page-about .about-venue__copy p {
  max-width: 40em;
  color: var(--mist);
}

.page-about .about-venue__figure {
  position: relative;
}

.page-about .about-venue__figure::before {
  content: "";
  position: absolute;
  top: -6px;
  right: -6px;
  width: 38px;
  height: 38px;
  border-top: 2px solid var(--orange);
  border-right: 2px solid var(--orange);
  pointer-events: none;
}

.page-about .about-venue__figure img {
  aspect-ratio: 2 / 1;
}

.page-about .about-team__grid {
  display: grid;
  gap: 30px;
}

.page-about .about-team__figure img {
  aspect-ratio: 10 / 7;
}

.page-about .about-team__copy p {
  max-width: 42em;
  color: var(--mist);
}

.page-about .about-team__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0;
}

.page-about .about-principles__grid {
  display: grid;
  gap: 32px;
}

.page-about .about-principles__intro p {
  max-width: 34em;
  color: var(--mist);
}

.page-about .about-segmented--stack {
  margin-top: 24px;
}

.page-about .about-segmented--stack .about-segmented__tablist {
  flex-direction: column;
  align-items: stretch;
  padding-bottom: 0;
  border-bottom: 0;
}

.page-about .about-segmented--stack .segmented__btn {
  width: 100%;
  text-align: left;
}

.page-about .about-principles__panels {
  display: grid;
  gap: 18px;
}

.page-about .about-principle-panel {
  padding: clamp(22px, 4vw, 34px);
  border: 1px solid rgba(44, 58, 85, 0.22);
  border-radius: var(--radius);
  background: var(--ice);
  color: var(--ice-ink);
  box-shadow: 6px 6px 0 rgba(33, 230, 193, 0.18), 12px 12px 0 rgba(255, 122, 47, 0.12);
}

.page-about .about-principle-panel h3 {
  margin-top: 14px;
}

.page-about .about-principle-panel p {
  margin-bottom: 0;
  color: #3e4f6b;
}

.page-about .about-next {
  padding-block: clamp(44px, 7vw, 84px);
  border-top: 1px solid var(--line-cyan);
  background: linear-gradient(110deg, var(--space) 0%, var(--panel) 100%);
}

.page-about .about-next__grid {
  display: grid;
  gap: 32px;
}

.page-about .about-next__grid p {
  max-width: 42em;
  color: var(--mist);
}

.page-about .about-next__links {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-about .about-next__links a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ice);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.6;
}

.page-about .about-next__links a::after {
  content: "→";
  color: var(--cyan);
  font-family: var(--font-mono);
}

.page-about .about-next__links a:hover {
  color: var(--cyan);
}

.page-about a:focus-visible,
.page-about button:focus-visible,
.page-about summary:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}

@media (min-width: 760px) {
  .page-about .timeline-item summary {
    grid-template-columns: 100px 1fr auto;
  }

  .page-about .timeline-item__year {
    grid-column: 1;
    grid-row: 1;
    font-size: 18px;
  }

  .page-about .timeline-item__title {
    grid-column: 2;
    grid-row: 1;
    font-size: 20px;
  }

  .page-about .timeline-item summary .tag {
    grid-column: 3;
    grid-row: 1;
  }

  .page-about .about-conditions__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 40px;
  }

  .page-about .about-condition {
    grid-template-columns: 40px 1fr;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  }

  .page-about .about-section__head {
    grid-template-columns: 1fr minmax(220px, 320px);
    align-items: end;
  }

  .page-about .about-origin__grid {
    grid-template-columns: 220px minmax(0, 1fr);
  }

  .page-about .about-capability__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
    align-items: start;
  }

  .page-about .about-venue {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
  }

  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: center;
  }
}

@media (min-width: 960px) {
  .page-about .about-membership__grid {
    grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1.2fr);
    align-items: start;
  }

  .page-about .about-principles__grid {
    grid-template-columns: minmax(240px, 0.8fr) minmax(0, 1.2fr);
    align-items: start;
  }

  .page-about .about-next__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
    align-items: end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    scroll-behavior: auto;
  }
}
<<<END>>>