.page-about {
  padding-bottom: var(--section-y);
  color: var(--color-ink);
}

.page-about .breadcrumbs {
  padding-top: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-about .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-2);
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .breadcrumbs li + li::before {
  content: "/";
  margin-right: var(--space-2);
  color: var(--color-line);
}

.page-about .breadcrumbs a {
  color: var(--color-ink-soft);
  text-decoration: none;
  border-bottom: var(--border-thin) dotted var(--color-line);
}

.page-about .breadcrumbs a:hover,
.page-about .breadcrumbs a:focus-visible {
  color: var(--color-ink);
  border-bottom-color: var(--color-primary);
}

.page-about .about-hero {
  display: grid;
  gap: var(--space-3);
  max-width: 62ch;
  padding-block: var(--space-6) var(--space-4);
}

.page-about .about-hero h1 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-about .about-hero__lead {
  margin: 0;
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

.page-about .about-hero__lead::first-line {
  color: var(--color-ink);
}

.page-about .about-open__figure {
  margin: 0 0 var(--space-6);
}

.page-about .about-shell {
  padding-top: var(--space-4);
}

.page-about .about-rail {
  margin-bottom: var(--space-6);
}

.page-about .about-rail__title {
  margin: 0 0 var(--space-2);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-ink-muted);
  text-transform: uppercase;
}

.page-about .about-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-1);
}

.page-about .about-rail__link {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: var(--space-2);
  align-items: baseline;
  padding: var(--space-2);
  border-left: var(--border-thick) solid transparent;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  text-decoration: none;
  color: var(--color-ink-soft);
  transition: color 180ms linear, border-color 180ms linear, background-color 180ms linear;
}

.page-about .about-rail__num {
  font-size: var(--text-xs);
  color: var(--color-primary);
}

.page-about .about-rail__name {
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-about .about-rail__sub {
  grid-column: 2;
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

.page-about .about-rail__link:hover,
.page-about .about-rail__link:focus-visible {
  color: var(--color-ink);
  border-left-color: var(--color-primary);
  background: color-mix(in srgb, var(--color-primary) 18%, transparent);
}

.page-about .about-body > .about-part + .about-part {
  border-top: 1px dashed var(--color-line);
}

.page-about .about-part {
  padding-block: var(--space-6);
}

.page-about .about-part h2,
.page-about .about-facts h2,
.page-about .about-exit h2 {
  margin: 0 0 var(--space-4);
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-about .about-part h2::before {
  content: "";
  display: block;
  width: var(--space-6);
  height: var(--border-thick);
  margin-bottom: var(--space-2);
  background: var(--color-accent);
}

.page-about .about-prose p {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-about .about-prose p + p {
  margin-top: var(--space-3);
}

.page-about .about-prose a {
  color: var(--color-ink);
  text-decoration: underline;
  text-decoration-color: var(--color-primary);
  text-underline-offset: 3px;
}

.page-about .about-part__figure {
  margin: 0 0 var(--space-4);
}

.page-about .about-notes {
  margin-top: var(--space-4);
}

.page-about .about-band {
  border-radius: var(--radius-md);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border: var(--border-thin) solid var(--color-contrast-line);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--color-accent) 22%, transparent);
  transition: box-shadow 200ms linear;
}

.page-about .about-band:hover {
  box-shadow: var(--shadow-2);
}

.page-about .about-band__trigger {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-1);
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: none;
  border: 0;
  font: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.page-about .about-band__tag {
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-contrast-accent);
}

.page-about .about-band__line {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: 1.42;
  color: var(--color-contrast-ink);
}

.page-about .about-band__panel {
  padding: 0 var(--space-4) var(--space-3);
  border-top: 1px dashed var(--color-contrast-line);
  padding-top: var(--space-2);
  max-width: 72ch;
}

.page-about .about-band__panel p {
  margin: 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 82%, transparent);
}

.page-about .about-facts {
  margin-top: var(--space-6);
  padding: var(--space-4);
  border: 1px dashed var(--color-line);
  border-radius: var(--radius-lg);
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--color-surface-alt) 94%, transparent) 0%,
    color-mix(in srgb, var(--color-surface) 98%, transparent) 100%
  );
}

.page-about .about-facts__list {
  display: grid;
  gap: var(--space-2);
  margin: 0 0 var(--space-4);
}

.page-about .about-facts__row {
  display: grid;
  gap: var(--space-1);
  padding-bottom: var(--space-2);
  border-bottom: 1px dotted var(--color-line);
}

.page-about .about-facts__row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-about .about-facts__row dt {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-about .about-facts__row dd {
  margin: 0;
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-ink);
}

.page-about .about-facts__mono {
  color: var(--color-ink);
}

.page-about .about-facts__copy {
  display: inline-block;
  padding: var(--space-1) var(--space-2);
  background: var(--color-primary-soft);
  border: var(--border-thin) solid color-mix(in srgb, var(--color-primary) 62%, transparent);
  border-radius: var(--radius-sm);
  color: var(--color-ink);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: border-color 180ms linear, background-color 180ms linear;
}

.page-about .about-facts__copy:hover,
.page-about .about-facts__copy:focus-visible {
  border-color: var(--color-accent);
  background: color-mix(in srgb, var(--color-primary) 34%, var(--color-surface-alt));
}

.page-about .about-facts__note {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-about .about-exit {
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px dashed var(--color-line);
}

.page-about .about-exit__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-3);
}

.page-about .about-exit__item {
  padding: var(--space-3);
  border-left: var(--border-thick) solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: color-mix(in srgb, var(--color-surface-alt) 86%, transparent);
  transition: background-color 200ms linear;
}

.page-about .about-exit__item:hover {
  background: color-mix(in srgb, var(--color-primary-soft) 74%, var(--color-surface-alt));
}

.page-about .about-exit__link {
  display: inline-block;
  margin-bottom: var(--space-1);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
  text-decoration: none;
  border-bottom: var(--border-thick) solid var(--color-accent);
}

.page-about .about-exit__link:hover,
.page-about .about-exit__link:focus-visible {
  color: var(--color-accent);
}

.page-about .about-exit__item p {
  margin: 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  max-width: 46ch;
}

.page-about .about-exit__foot {
  margin: var(--space-4) 0 0;
  max-width: var(--measure);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-muted);
}

.page-about .about-exit__foot a {
  color: var(--color-ink-soft);
  text-decoration: underline;
  text-decoration-color: var(--color-primary);
  text-underline-offset: 3px;
}

.page-about .about-exit__foot a:hover,
.page-about .about-exit__foot a:focus-visible {
  color: var(--color-ink);
}

.page-about a:focus-visible,
.page-about button:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 2px;
}

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

@media (min-width: 600px) {
  .page-about .about-band__trigger {
    grid-template-columns: auto 1fr;
    gap: var(--space-2) var(--space-3);
    align-items: baseline;
  }

  .page-about .about-facts__row {
    grid-template-columns: 148px minmax(0, 1fr);
    align-items: baseline;
    gap: var(--space-3);
  }
}

@media (min-width: 900px) {
  .page-about .about-hero {
    padding-block: var(--space-8) var(--space-4);
  }

  .page-about .about-hero h1 {
    font-size: var(--text-4xl);
  }

  .page-about .about-shell {
    display: grid;
    grid-template-columns: 224px minmax(0, 1fr);
    column-gap: var(--space-8);
    align-items: start;
  }

  .page-about .about-rail {
    position: sticky;
    top: var(--space-8);
    margin-bottom: 0;
  }

  .page-about .about-exit__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1100px) {
  .page-about .about-shell {
    grid-template-columns: 248px minmax(0, 1fr);
  }

  .page-about .about-part__figure {
    max-width: 78%;
  }
}
<<<END>>>