.page-about {
  background: var(--paper);
  color: var(--ink);
  padding-bottom: clamp(40px, 7vw, 90px);
}

.page-about .breadcrumbs {
  padding-top: clamp(16px, 3vw, 28px);
}

.page-about .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: var(--fs-xs);
  font-family: var(--font-mono);
  color: var(--mute);
}

.page-about .breadcrumbs__item a {
  color: var(--slate);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-about .breadcrumbs__item a:hover,
.page-about .breadcrumbs__item a:focus-visible {
  border-bottom-color: var(--orange);
  outline: none;
}

.page-about .breadcrumbs__sep {
  color: var(--line);
}

.page-about .about-hero {
  position: relative;
  margin-top: clamp(16px, 3vw, 28px);
  padding: clamp(22px, 4vw, 52px);
  border: 1px solid var(--line);
  background: var(--card);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 42%;
  height: 3px;
  background: var(--orange);
}

.page-about .about-hero::after {
  content: "ANX / ARCHIVE";
  position: absolute;
  right: clamp(14px, 3vw, 28px);
  top: clamp(14px, 3vw, 28px);
  color: var(--line);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
}

.page-about .about-hero__grid {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  align-items: center;
}

.page-about .about-hero__copy h1 {
  margin: 10px 0 18px;
  font-family: var(--font-display);
  font-size: clamp(31px, 5.4vw, 58px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--ink);
  max-width: 14ch;
}

.page-about .about-hero__lead {
  max-width: 64ch;
  margin: 0;
  font-size: var(--fs-lg);
  line-height: 1.78;
  color: var(--slate);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 14px;
}

.page-about .about-hero__note {
  margin: 0;
  padding-left: 12px;
  border-left: 2px solid var(--orange);
  font-size: var(--fs-sm);
  color: var(--mute);
}

.page-about .about-hero__media .media-frame {
  margin: 0;
}

.page-about .hero-figures {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: clamp(24px, 4vw, 38px);
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-about .hero-figure {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-about .hero-figure__num {
  font-family: var(--font-mono);
  font-size: var(--fs-xl);
  font-weight: 600;
  color: var(--rust);
  line-height: 1.2;
}

.page-about .hero-figure__label {
  font-size: var(--fs-xs);
  color: var(--mute);
  line-height: 1.5;
}

.page-about .about-chapter {
  display: grid;
  gap: 14px;
  padding: clamp(34px, 6vw, 74px) 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 120px;
}

.page-about .chapter-rail {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-about .chapter-rail__idx {
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  color: var(--mute);
}

.page-about .chapter-rail__year {
  font-size: var(--fs-sm);
  color: var(--rust);
  white-space: nowrap;
}

.page-about .chapter-rail__line {
  flex: 1;
  height: 1px;
  background: var(--line);
}

.page-about .chapter-body {
  min-width: 0;
}

.page-about .chapter-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  color: var(--mute);
}

.page-about .chapter-tag::before {
  content: "";
  width: 16px;
  height: 1px;
  background: var(--orange);
}

.page-about .chapter-tag--inv {
  color: var(--card);
}

.page-about .chapter-tag--inv::before {
  background: var(--green);
}

.page-about .chapter-body h2 {
  max-width: 22ch;
  margin: 8px 0 18px;
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  line-height: 1.28;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-about .chapter-body p {
  max-width: 70ch;
  line-height: 1.78;
}

.page-about .origin-grid {
  display: grid;
  gap: 22px;
}

.page-about .origin-narrative p {
  margin: 0 0 14px;
  color: var(--slate);
}

.page-about .origin-note {
  align-self: start;
  padding: 18px 18px 20px;
  border-left: 2px solid var(--amber);
  background: var(--paper);
}

.page-about .origin-note__kicker {
  display: block;
  margin-bottom: 8px;
  font-size: var(--fs-xs);
  color: var(--amber);
  letter-spacing: 0.06em;
}

.page-about .origin-note p {
  margin: 0 0 12px;
  font-size: var(--fs-sm);
  color: var(--slate);
}

.page-about .origin-note__link {
  display: inline-block;
  font-size: var(--fs-sm);
  color: var(--rust);
  text-decoration: none;
  border-bottom: 1px solid var(--amber);
}

.page-about .origin-note__link:hover,
.page-about .origin-note__link:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
  outline: none;
}

.page-about .milestone-list {
  list-style: none;
  margin: 0;
  padding: 0 0 0 18px;
  border-left: 1px solid var(--line);
}

.page-about .milestone {
  position: relative;
  padding: 0 0 26px 20px;
  transition: background-color 0.25s var(--ease);
}

.page-about .milestone::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 8px;
  width: 9px;
  height: 9px;
  border: 2px solid var(--amber);
  border-radius: 50%;
  background: var(--paper);
  transition: border-color 0.25s var(--ease), background-color 0.25s var(--ease);
}

.page-about .milestone:hover,
.page-about .milestone:focus-within {
  background: linear-gradient(90deg, rgba(232, 100, 44, 0.07), transparent 70%);
}

.page-about .milestone:hover::before,
.page-about .milestone:focus-within::before {
  border-color: var(--orange);
  background: var(--orange);
}

.page-about .milestone__year {
  display: block;
  font-size: var(--fs-xs);
  color: var(--rust);
  letter-spacing: 0.06em;
}

.page-about .milestone h3 {
  margin: 4px 0 6px;
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  line-height: 1.35;
  color: var(--ink);
}

.page-about .milestone p {
  margin: 0;
  font-size: var(--fs-base);
  color: var(--slate);
}

.page-about .chapter-footnote {
  margin-top: 18px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: var(--fs-sm);
  color: var(--mute);
}

.page-about .team-grid {
  display: grid;
  gap: clamp(20px, 4vw, 40px);
}

.page-about .team-media .media-frame {
  margin: 0;
}

.page-about .team-copy > p {
  margin-top: 0;
  color: var(--slate);
}

.page-about .team-cards {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.page-about .team-card {
  border: 1px solid var(--line);
  background: var(--card);
}

.page-about .team-card summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 16px;
}

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

.page-about .team-card summary:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-about .team-card__num {
  font-size: var(--fs-xl);
  font-weight: 600;
  color: var(--orange);
  line-height: 1;
}

.page-about .team-card__role {
  flex: 1;
  font-weight: 600;
  color: var(--ink);
}

.page-about .team-card__hint {
  font-size: var(--fs-xs);
  color: var(--mute);
}

.page-about .team-card[open] summary {
  border-bottom: 1px solid var(--line);
}

.page-about .team-card__body {
  padding: 14px 16px 16px;
}

.page-about .team-card__body p {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.75;
  color: var(--slate);
}

.page-about .quality-band {
  position: relative;
  padding: clamp(22px, 4vw, 44px);
  background: var(--slate);
  color: var(--paper);
  overflow: hidden;
}

.page-about .quality-band::before {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 220px;
  height: 220px;
  border: 1px solid rgba(244, 239, 229, 0.16);
  border-radius: 50%;
}

.page-about .quality-band h2 {
  position: relative;
  max-width: 20ch;
  margin: 8px 0 22px;
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  line-height: 1.28;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-about .quality-steps {
  display: grid;
  gap: 18px;
  position: relative;
}

.page-about .quality-step {
  padding-top: 14px;
  border-top: 1px solid rgba(244, 239, 229, 0.22);
}

.page-about .quality-step__num {
  display: block;
  margin-bottom: 6px;
  font-size: var(--fs-2xl);
  color: var(--orange);
  line-height: 1;
}

.page-about .quality-step h3 {
  margin: 0 0 7px;
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  color: var(--paper);
}

.page-about .quality-step p {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.72;
  color: rgba(244, 239, 229, 0.78);
}

.page-about .quality-foot {
  position: relative;
  margin: 24px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--green);
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--paper);
}

.page-about .coverage-grid {
  display: grid;
  gap: 24px;
}

.page-about .coverage-visual {
  padding: 14px;
  border: 1px solid var(--line);
  background: var(--card);
}

.page-about .coverage-svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .map-legend {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin: 12px 0 0;
  padding: 0;
}

.page-about .map-legend__item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 4px 6px;
  border: 1px solid transparent;
  font-size: var(--fs-xs);
  color: var(--mute);
}

.page-about .map-legend__item:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-about .map-legend__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex: none;
}

.page-about .map-legend__dot--personal {
  background: var(--green);
}

.page-about .map-legend__dot--org {
  background: var(--orange);
}

.page-about .map-legend__dot--partner {
  background: var(--amber);
}

.page-about .coverage-visual:has(.map-legend__item--personal:hover) .dots:not(.dots--personal),
.page-about .coverage-visual:has(.map-legend__item--personal:focus-visible) .dots:not(.dots--personal),
.page-about .coverage-visual:has(.map-legend__item--org:hover) .dots:not(.dots--org),
.page-about .coverage-visual:has(.map-legend__item--org:focus-visible) .dots:not(.dots--org),
.page-about .coverage-visual:has(.map-legend__item--partner:hover) .dots:not(.dots--partner),
.page-about .coverage-visual:has(.map-legend__item--partner:focus-visible) .dots:not(.dots--partner) {
  opacity: 0.22;
}

.page-about .coverage-copy > p {
  margin-top: 0;
  color: var(--slate);
}

.page-about .coverage-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 18px 0;
}

.page-about .coverage-stat {
  padding-left: 10px;
  border-left: 1px solid var(--line);
}

.page-about .coverage-stat__num {
  display: block;
  font-size: var(--fs-xl);
  font-weight: 600;
  color: var(--rust);
  line-height: 1.2;
}

.page-about .coverage-stat__label {
  display: block;
  font-size: var(--fs-xs);
  line-height: 1.5;
  color: var(--mute);
}

.page-about .coverage-copy h3 {
  margin: 20px 0 8px;
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  color: var(--ink);
}

.page-about .partner-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 0;
  padding: 0;
}

.page-about .partner-list li {
  padding: 6px 9px;
  border: 1px solid var(--line);
  background: var(--card);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--mute);
}

.page-about .cadence-grid {
  display: grid;
  gap: 22px;
}

.page-about .cadence-copy > p {
  margin-top: 0;
  color: var(--slate);
}

.page-about .cadence-points {
  list-style: none;
  margin: 18px 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-about .cadence-points li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  font-size: var(--fs-sm);
  color: var(--slate);
}

.page-about .cadence-points .mono {
  color: var(--rust);
  font-size: var(--fs-xs);
}

.page-about .cadence-contact {
  padding: 16px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  background: var(--card);
}

.page-about .cadence-contact p {
  margin: 0;
  font-size: var(--fs-sm);
  color: var(--slate);
}

.page-about .cadence-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.page-about .cadence-media .media-frame {
  margin: 0;
}

.page-about .cadence-note {
  margin: 12px 0 0;
  font-size: var(--fs-xs);
  line-height: 1.6;
  color: var(--mute);
}

@media (min-width: 640px) {
  .page-about .hero-figures {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-about .hero-figure {
    padding-right: 12px;
  }

  .page-about .hero-figure + .hero-figure {
    padding-left: 16px;
    border-left: 1px solid var(--line);
  }

  .page-about .cadence-points li {
    grid-template-columns: 156px minmax(0, 1fr);
    align-items: baseline;
    gap: 14px;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .page-about .about-chapter {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: clamp(20px, 4vw, 54px);
  }

  .page-about .chapter-rail {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .page-about .chapter-rail__line {
    width: 1px;
    height: auto;
    flex: 1;
    min-height: 80px;
    background: linear-gradient(var(--line), transparent);
  }

  .page-about .origin-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    gap: clamp(22px, 4vw, 44px);
  }

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

  .page-about .quality-steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
  }

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

  .page-about .cadence-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: start;
  }
}
<<<END>>>