.page-about {
  --about-ink-soft: rgba(17, 24, 39, 0.78);
  --about-ink-lighter: rgba(17, 24, 39, 0.55);
  --about-line: rgba(11, 31, 58, 0.1);
  --about-line-strong: rgba(11, 31, 58, 0.16);
  --about-paper: #ffffff;
  --about-paper-dim: #f7f9fc;
  --about-gold-tint: rgba(245, 183, 0, 0.14);
  --about-cyan-tint: rgba(160, 210, 219, 0.2);
  --about-orange-tint: rgba(255, 107, 53, 0.12);
  --about-paper-shadow: 4px 4px 0 rgba(11, 31, 58, 0.04), 8px 8px 0 rgba(11, 31, 58, 0.02);

  background: linear-gradient(180deg, #eef2f7 0%, #f2f5f9 42%, #e9eef4 100%);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.7;
  padding-top: 2rem;
  overflow-x: hidden;
}

.page-about .container {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.page-about .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--about-ink-lighter);
  margin-bottom: 2rem;
}

.page-about .breadcrumbs a {
  color: var(--navy);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.18s ease, color 0.18s ease;
}

.page-about .breadcrumbs a:hover {
  color: var(--ember-orange);
  border-bottom-color: currentColor;
}

.page-about .breadcrumbs [aria-current="page"] {
  color: var(--ink);
  font-weight: 600;
}

.page-about .about-section-head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 3rem 0 1.5rem;
}

.page-about .about-serial {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--navy);
  background: var(--about-gold-tint);
  border: 1px solid rgba(245, 183, 0, 0.4);
  padding: 0.2rem 0.6rem;
  letter-spacing: 0.06em;
}

.page-about .about-section-rule {
  flex: 1 1 auto;
  height: 1px;
  background: linear-gradient(to right, rgba(11, 31, 58, 0.28), rgba(11, 31, 58, 0));
}

.page-about .about-section-head h2 {
  flex: 0 0 auto;
  font-family: var(--font-head);
  font-size: 1.125rem;
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--deep-space);
  line-height: 1.3;
  margin: 0;
}

.page-about .about-archive {
  display: grid;
  gap: 2.25rem;
  padding-bottom: 1rem;
}

.page-about .about-kicker {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 0.625rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.page-about .about-kicker::before {
  content: '';
  width: 1.5rem;
  height: 2px;
  background: var(--gold);
  display: inline-block;
}

.page-about .about-archive h1 {
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 1.1rem + 2vw, 2.375rem);
  line-height: 1.22;
  font-weight: 900;
  letter-spacing: -0.025em;
  color: var(--deep-space);
  margin: 0 0 1rem;
  max-width: 14ch;
}

.page-about .about-lead {
  font-size: 0.9063rem;
  color: var(--about-ink-soft);
  max-width: 56ch;
  margin: 0 0 1.25rem;
}

.page-about .about-tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-about .about-file {
  position: relative;
  background: var(--about-paper);
  border: 1px solid var(--about-line);
  box-shadow: var(--about-paper-shadow);
  padding: 1.25rem;
}

.page-about .about-file::before {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid var(--about-line);
  background: var(--about-paper-dim);
  transform: translate(5px, 5px);
  z-index: -1;
}

.page-about .about-file-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 0.75rem;
  margin-bottom: 0.875rem;
  border-bottom: 1px solid var(--gold);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--navy);
}

.page-about .about-file-status {
  color: var(--vivid-orange);
}

.page-about .about-file-list {
  display: grid;
  gap: 0.5rem;
  margin: 0;
}

.page-about .about-file-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.8125rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px dashed rgba(11, 31, 58, 0.08);
}

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

.page-about .about-file-row dt {
  color: var(--about-ink-lighter);
  font-weight: 500;
  flex: 0 0 auto;
}

.page-about .about-file-row dd {
  margin: 0;
  text-align: right;
  color: var(--ink);
  font-weight: 500;
}

.page-about .about-timeline-grid {
  display: grid;
  gap: 2rem;
}

.page-about .about-timeline {
  position: relative;
  padding-left: 1.5rem;
  display: grid;
  gap: 1.5rem;
}

.page-about .about-timeline::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: linear-gradient(to bottom, var(--gold) 0%, var(--mist-cyan) 55%, var(--vivid-orange) 100%);
  opacity: 0.55;
}

.page-about .about-milestone {
  position: relative;
  background: var(--about-paper);
  border: 1px solid var(--about-line);
  border-radius: 2px;
  padding: 1rem 1.125rem 1.125rem;
  box-shadow: 2px 2px 0 rgba(11, 31, 58, 0.03);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.page-about .about-milestone:hover {
  transform: translateY(-2px);
  box-shadow: 6px 6px 0 rgba(11, 31, 58, 0.05);
}

.page-about .about-milestone::before {
  content: '';
  position: absolute;
  left: -1.375rem;
  top: 1.375rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--milestone-color, var(--gold));
  transform: translateX(-50%);
}

.page-about .about-milestone--gold {
  --milestone-color: var(--gold);
  border-top: 3px solid var(--gold);
}

.page-about .about-milestone--gold::before {
  background: var(--gold);
  box-shadow: 0 0 0 3px var(--glacier), 0 0 0 4px var(--gold);
}

.page-about .about-milestone--cyan {
  --milestone-color: var(--mist-cyan);
  border-top: 3px solid var(--mist-cyan);
}

.page-about .about-milestone--cyan::before {
  background: var(--mist-cyan);
  box-shadow: 0 0 0 3px var(--glacier), 0 0 0 4px var(--mist-cyan);
}

.page-about .about-milestone--orange {
  --milestone-color: var(--vivid-orange);
  border-top: 3px solid var(--vivid-orange);
}

.page-about .about-milestone--orange::before {
  background: var(--vivid-orange);
  box-shadow: 0 0 0 3px var(--glacier), 0 0 0 4px var(--vivid-orange);
}

.page-about .about-milestone-year {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--milestone-color, var(--navy));
  letter-spacing: 0.06em;
  margin-bottom: 0.25rem;
}

.page-about .about-milestone h3 {
  font-family: var(--font-head);
  font-size: 0.9375rem;
  font-weight: 700;
  margin: 0 0 0.375rem;
  color: var(--deep-space);
}

.page-about .about-milestone p {
  font-size: 0.8125rem;
  color: var(--about-ink-soft);
  margin: 0 0 0.5rem;
}

.page-about .about-milestone-detail {
  font-size: 0.8125rem;
  color: var(--about-ink-soft);
  margin-top: 0.5rem;
}

.page-about .about-milestone-detail summary {
  list-style: none;
  cursor: pointer;
  color: var(--navy);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  border-bottom: 1px dashed rgba(11, 31, 58, 0.25);
  transition: border-color 0.18s ease, color 0.18s ease;
}

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

.page-about .about-milestone-detail summary:hover {
  color: var(--ember-orange);
  border-bottom-color: var(--ember-orange);
}

.page-about .about-milestone-detail p {
  margin-top: 0.625rem;
  padding: 0.625rem 0.75rem;
  background: var(--glacier);
  border-left: 2px solid var(--milestone-color, var(--gold));
}

.page-about .about-figure {
  margin: 0;
  position: relative;
  overflow: hidden;
  background: var(--navy);
  border: 1px solid var(--about-line-strong);
  box-shadow: var(--about-paper-shadow);
}

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

.page-about .about-figure--timeline {
  align-self: start;
}

.page-about .about-stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.page-about .about-stat {
  background: var(--about-paper);
  border: 1px solid var(--about-line);
  border-top: 3px solid var(--gold);
  padding: 1rem 0.875rem;
  box-shadow: 2px 2px 0 rgba(11, 31, 58, 0.03);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.page-about .about-stat:hover {
  transform: translateY(-2px);
  box-shadow: 4px 6px 0 rgba(11, 31, 58, 0.05);
}

.page-about .about-stat:nth-child(2) {
  border-top-color: var(--navy);
}

.page-about .about-stat:nth-child(3) {
  border-top-color: var(--vivid-orange);
}

.page-about .about-stat:nth-child(4) {
  border-top-color: var(--mist-cyan);
}

.page-about .about-stat-num {
  display: block;
  font-family: var(--font-head);
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--deep-space);
  line-height: 1.1;
  margin-bottom: 0.25rem;
}

.page-about .about-stat-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--navy);
  margin-bottom: 0.375rem;
}

.page-about .about-stat p {
  font-size: 0.75rem;
  color: var(--about-ink-lighter);
  margin: 0;
}

.page-about .about-coverage {
  display: grid;
  gap: 1.5rem;
  margin-top: 2rem;
  padding: 1.5rem;
  background: var(--deep-space);
  color: var(--glacier);
  box-shadow: 8px 8px 0 rgba(11, 31, 58, 0.08);
}

.page-about .about-coverage h3 {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--gold-aura);
  margin: 0 0 0.5rem;
}

.page-about .about-coverage p {
  font-size: 0.8125rem;
  color: rgba(242, 245, 249, 0.78);
  margin: 0 0 1rem;
}

.page-about .about-city-list {
  list-style: none;
  margin: 0 0 0.75rem;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}

.page-about .about-city-list li {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.6rem;
  background: rgba(242, 245, 249, 0.08);
  border: 1px solid rgba(242, 245, 249, 0.14);
  color: var(--glacier);
}

.page-about .about-city-more {
  font-size: 0.75rem;
  color: rgba(242, 245, 249, 0.56);
  margin: 0 0 0.5rem;
}

.page-about .about-credential-grid {
  display: grid;
  gap: 0.875rem;
}

.page-about .about-credential {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--about-paper);
  border: 1px solid var(--about-line);
  padding: 1rem;
  box-shadow: 2px 2px 0 rgba(11, 31, 58, 0.03);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.page-about .about-credential:hover {
  transform: scale(1.01);
  box-shadow: 6px 6px 0 rgba(11, 31, 58, 0.05);
}

.page-about .about-credential-badge {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 0.375rem 0.5rem;
  background: var(--gold);
  color: var(--deep-space);
  border: 1px solid rgba(11, 31, 58, 0.2);
}

.page-about .about-credential-content h3 {
  font-family: var(--font-head);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--deep-space);
  margin: 0 0 0.25rem;
}

.page-about .about-credential-content p {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 0.375rem;
}

.page-about .about-credential-note {
  font-size: 0.75rem;
  color: var(--about-ink-lighter);
}

.page-about .about-credential-footer {
  margin-top: 1.5rem;
  text-align: right;
}

.page-about .about-text-link {
  display: inline-block;
  margin-top: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--vivid-orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 107, 53, 0.4);
  padding-bottom: 0.125rem;
  transition: color 0.18s ease, border-color 0.18s ease;
}

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

.page-about .about-text-link--light {
  color: var(--deep-space);
  border-bottom-color: rgba(11, 31, 58, 0.3);
}

.page-about .about-text-link--light:hover {
  color: var(--navy);
  border-bottom-color: var(--navy);
}

.page-about .about-team-grid {
  display: grid;
  gap: 1.5rem;
}

.page-about .about-team-copy > p {
  font-size: 0.875rem;
  color: var(--about-ink-soft);
  margin: 0 0 1rem;
}

.page-about .about-team-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.page-about .about-team-list li {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr);
  gap: 0.5rem;
  background: var(--about-paper);
  border: 1px solid var(--about-line);
  padding: 0.625rem 0.75rem;
  font-size: 0.75rem;
}

.page-about .about-team-list strong {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  color: var(--navy);
}

.page-about .about-team-list span {
  color: var(--about-ink-soft);
}

.page-about .about-team-note {
  margin-top: 1.5rem;
  padding: 0.875rem 1rem;
  background: var(--about-gold-tint);
  border: 1px solid rgba(245, 183, 0, 0.3);
  border-left: 3px solid var(--gold);
  font-size: 0.75rem;
  color: var(--deep-space);
}

.page-about .about-team-note p {
  margin: 0 0 0.375rem;
}

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

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

  .page-about .about-team-list li {
    grid-template-columns: 0.6fr 1.4fr;
  }
}

@media (min-width: 960px) {
  .page-about {
    padding-top: 2.5rem;
  }

  .page-about .about-archive {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 3rem;
    align-items: center;
    padding-bottom: 2rem;
  }

  .page-about .about-timeline-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    gap: 2.5rem;
    align-items: start;
  }

  .page-about .about-figure--timeline {
    position: sticky;
    top: 2rem;
  }

  .page-about .about-coverage {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 2rem;
    padding: 2rem;
  }

  .page-about .about-team-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    align-items: start;
  }
}