.page-about {
  --about-radius: 20px;
  --about-hero-pad: 28px;
  --about-toc-w: 190px;
}

.page-about .about-wrap {
  max-width: var(--content-max);
  margin-inline: auto;
  padding: 0 20px 72px;
}

.page-about .about-breadcrumbs {
  padding-top: 24px;
  margin-bottom: 8px;
}

.page-about .about-hero {
  position: relative;
  margin-top: 12px;
}

.page-about .about-frame-stage {
  position: relative;
  padding: var(--about-hero-pad);
  background-color: var(--bg-card);
  background-image:
    linear-gradient(rgba(35, 53, 84, 0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(35, 53, 84, 0.5) 1px, transparent 1px);
  background-size: 36px 36px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-about .about-frame-corner {
  position: absolute;
  width: 26px;
  height: 26px;
  z-index: 2;
  pointer-events: none;
}

.page-about .about-frame-corner--tl {
  top: 14px;
  left: 14px;
  border-top: 3px solid var(--accent-green);
  border-left: 3px solid var(--accent-green);
  border-top-left-radius: 8px;
}

.page-about .about-frame-corner--tr {
  top: 14px;
  right: 14px;
  border-top: 3px solid var(--accent-orange);
  border-right: 3px solid var(--accent-orange);
  border-top-right-radius: 8px;
}

.page-about .about-frame-corner--bl {
  bottom: 14px;
  left: 14px;
  border-bottom: 3px solid var(--accent-orange);
  border-left: 3px solid var(--accent-orange);
  border-bottom-left-radius: 8px;
}

.page-about .about-frame-corner--br {
  bottom: 14px;
  right: 14px;
  border-bottom: 3px solid var(--accent-green);
  border-right: 3px solid var(--accent-green);
  border-bottom-right-radius: 8px;
}

.page-about .about-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-about .about-hero-kicker {
  font-family: var(--mono-font);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--accent-green);
  margin: 0 0 12px;
}

.page-about .about-hero h1 {
  font-family: var(--body-font);
  font-size: clamp(28px, 6vw, 54px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--text-main);
  margin: 0 0 18px;
}

.page-about .about-hero-desc {
  max-width: 660px;
  color: var(--text-sub);
  font-size: 16px;
  line-height: 1.8;
  margin: 0 0 24px;
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .about-hero-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.page-about .about-hero-metric {
  padding: 18px 16px;
  border-radius: var(--radius-md);
  background: var(--bg-deep);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent-green);
  transition: background var(--ease-fast), border-color var(--ease-fast), transform var(--ease-fast);
}

.page-about .about-hero-metric:hover {
  background: var(--bg-hover);
  transform: translateY(-2px);
}

.page-about .about-hero-metric--orange {
  border-left-color: var(--accent-orange);
}

.page-about .about-metric-value {
  display: block;
  font-family: var(--mono-font);
  font-size: 28px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--text-main);
}

.page-about .about-metric-label {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  color: var(--text-sub);
}

.page-about .about-corridor {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: 48px;
}

.page-about .about-toc {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 18px 16px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--line);
}

.page-about .about-toc-heading {
  font-family: var(--mono-font);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--text-sub);
  margin: 0 0 8px;
}

.page-about .about-toc .toc-link {
  padding: 7px 0;
  color: var(--text-sub);
  text-decoration: none;
  font-size: 14px;
  border-bottom: 1px solid transparent;
  transition: color var(--ease-fast), border-color var(--ease-fast);
}

.page-about .about-toc .toc-link:hover,
.page-about .about-toc .toc-link.is-active {
  color: var(--accent-green);
  border-bottom-color: var(--accent-green);
}

.page-about .about-side-note {
  margin-top: 20px;
  padding: 16px;
  border-radius: var(--radius-md);
  background: var(--bg-deep);
  border-left: 3px solid var(--accent-orange);
}

.page-about .about-side-note-label {
  font-family: var(--mono-font);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--accent-orange);
  margin: 0 0 8px;
}

.page-about .about-side-note-text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-sub);
  margin: 0;
}

.page-about .about-section {
  padding-top: 8px;
}

.page-about .about-section + .about-section {
  margin-top: 72px;
}

.page-about .about-section-head {
  margin-bottom: 24px;
}

.page-about .about-section-num {
  color: var(--accent-green);
  font-size: 14px;
  margin-right: 4px;
}

.page-about .about-mission-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-bottom: 28px;
}

.page-about .about-mission-lead {
  font-family: var(--body-font);
  font-size: 24px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text-main);
  margin: 0 0 16px;
}

.page-about .about-mission-copy .about-section-desc {
  margin-bottom: 14px;
}

.page-about .about-mission-media {
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  overflow: hidden;
  aspect-ratio: 3 / 2;
}

.page-about .about-mission-media img,
.page-about .about-coverage-media img,
.page-about .about-cert-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-about .about-stat-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-about .about-stat-cell {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 18px 20px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--line);
}

.page-about .about-stat-value {
  font-family: var(--mono-font);
  font-size: 26px;
  font-weight: 700;
  color: var(--accent-green);
}

.page-about .about-stat-label {
  font-size: 14px;
  color: var(--text-sub);
}

.page-about .about-league-wrap {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 28px;
}

.page-about .about-league-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 18px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--line);
  transition: transform var(--ease-fast), border-color var(--ease-fast), background var(--ease-fast);
}

.page-about .about-league-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-green);
  background: var(--bg-hover);
}

.page-about .about-league-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  bottom: 20px;
  width: 3px;
  border-radius: 0 4px 4px 0;
  background: var(--accent-green);
}

.page-about .about-league-card:nth-child(even)::before {
  background: var(--accent-orange);
}

.page-about .about-league-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.page-about .about-league-num {
  font-size: 22px;
  color: var(--text-sub);
}

.page-about .about-league-pill {
  font-family: var(--mono-font);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--text-main);
  background: var(--bg-deep);
  border: 1px solid var(--line);
}

.page-about .about-league-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
  margin: 0;
}

.page-about .about-league-meta {
  font-size: 13px;
  color: var(--text-sub);
  margin: 0;
}

.page-about .about-standard-panel {
  display: grid;
  grid-template-columns: 1fr;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--bg-card);
  overflow: hidden;
}

.page-about .about-standard-list-side {
  padding: 24px 22px;
}

.page-about .about-standard-code {
  font-family: var(--mono-font);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--accent-orange);
  display: inline-block;
  margin-bottom: 10px;
}

.page-about .about-standard-list-side h3 {
  font-size: 20px;
  color: var(--text-main);
  margin: 0 0 14px;
}

.page-about .about-standard-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-about .about-standard-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-sub);
}

.page-about .about-standard-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-green);
}

.page-about .about-standard-list li:nth-child(even)::before {
  background: var(--accent-orange);
}

.page-about .about-coverage-media {
  aspect-ratio: 2 / 1;
  border-top: 1px solid var(--line);
}

.page-about .about-coverage-media .caption,
.page-about .about-cert-media .caption {
  padding: 12px 16px;
  margin: 0;
}

.page-about .about-timeline {
  position: relative;
  margin: 8px 0 0;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-green), var(--accent-orange));
  opacity: 0.6;
  border-radius: 2px;
}

.page-about .about-timeline-item {
  position: relative;
  padding-left: 40px;
  padding-bottom: 36px;
}

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

.page-about .about-timeline-dot {
  position: absolute;
  left: 3px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 0 4px rgba(61, 255, 158, 0.18);
}

.page-about .about-timeline-item:nth-child(even) .about-timeline-dot {
  background: var(--accent-orange);
  box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.16);
}

.page-about .about-timeline-item .timeline-date {
  font-family: var(--mono-font);
  font-size: 20px;
  font-weight: 700;
  color: var(--accent-green);
  margin-bottom: 8px;
}

.page-about .about-timeline-item:nth-child(even) .timeline-date {
  color: var(--accent-orange);
}

.page-about .about-timeline-content {
  padding: 18px 20px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--line);
}

.page-about .about-timeline-content .timeline-title {
  font-size: 18px;
  color: var(--text-main);
  margin: 0 0 6px;
}

.page-about .about-timeline-content .timeline-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-sub);
  margin: 0;
}

.page-about .about-cert-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-about .about-cert-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-about .about-cert-card {
  position: relative;
  padding: 22px 20px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--line);
  transition: transform var(--ease-fast), border-color var(--ease-fast);
}

.page-about .about-cert-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-green);
}

.page-about .about-cert-card::after {
  content: "";
  position: absolute;
  top: 12px;
  right: 12px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-green);
}

.page-about .about-cert-card:nth-child(2)::after {
  background: var(--accent-orange);
}

.page-about .about-cert-card:nth-child(3)::after {
  background: var(--warn);
}

.page-about .about-cert-code {
  display: inline-block;
  font-family: var(--mono-font);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--accent-green);
  padding: 5px 10px;
  border-radius: var(--radius-pill);
  background: var(--bg-deep);
  border: 1px solid var(--line);
  margin-bottom: 14px;
}

.page-about .about-cert-card:nth-child(2) .about-cert-code {
  color: var(--accent-orange);
}

.page-about .about-cert-card:nth-child(3) .about-cert-code {
  color: var(--warn);
}

.page-about .about-cert-card .card-title {
  font-size: 18px;
  color: var(--text-main);
  margin: 0 0 8px;
}

.page-about .about-cert-card .card-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-sub);
  margin: 0;
}

.page-about .about-cert-side {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-about .about-cert-media {
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  overflow: hidden;
}

.page-about .about-cert-media .caption {
  font-size: 13px;
  color: var(--text-sub);
  background: var(--bg-card);
}

.page-about .about-team-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.page-about .about-team-summary {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
  padding: 28px 22px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--line);
}

.page-about .about-team-count {
  font-family: var(--mono-font);
  font-size: 52px;
  font-weight: 800;
  line-height: 1;
  color: var(--accent-green);
}

.page-about .about-team-summary h3 {
  font-size: 20px;
  color: var(--text-main);
  margin: 0;
}

.page-about .about-team-summary p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-sub);
  margin: 0;
}

.page-about .about-team-roles {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-about .about-team-role {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--line);
}

.page-about .about-team-code {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  font-family: var(--mono-font);
  font-size: 16px;
  font-weight: 700;
  border-radius: 50%;
  color: var(--accent-green);
  background: var(--bg-deep);
  border: 1px solid var(--line);
}

.page-about .about-team-role h3 {
  font-size: 16px;
  color: var(--text-main);
  margin: 0 0 6px;
}

.page-about .about-team-role p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-sub);
  margin: 0;
}

.page-about .about-team-foot {
  padding: 16px 20px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--line);
  font-size: 15px;
  color: var(--text-sub);
}

.page-about .about-team-foot p {
  margin: 0;
}

.page-about .about-team-foot a {
  color: var(--accent-green);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--ease-fast), border-color var(--ease-fast);
}

.page-about .about-team-foot a:hover {
  border-bottom-color: var(--accent-green);
}

@media (min-width: 768px) {
  .page-about .about-wrap {
    padding: 0 32px 88px;
  }

  .page-about .about-hero-grid {
    grid-template-columns: 1fr;
  }

  .page-about .about-hero-metrics {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about .about-mission-grid {
    grid-template-columns: 6fr 5fr;
    align-items: center;
  }

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

  .page-about .about-league-wrap {
    grid-template-columns: repeat(5, 1fr);
  }

  .page-about .about-standard-panel {
    grid-template-columns: 5fr 7fr;
  }

  .page-about .about-coverage-media {
    border-top: none;
    border-left: 1px solid var(--line);
  }

  .page-about .about-cert-layout {
    grid-template-columns: 7fr 5fr;
    align-items: center;
  }

  .page-about .about-cert-media {
    aspect-ratio: 1 / 1;
  }

  .page-about .about-team-layout {
    grid-template-columns: 4fr 7fr;
    align-items: stretch;
  }

  .page-about .about-team-roles {
    justify-content: space-between;
  }

  .page-about .about-timeline::before {
    left: 11px;
  }

  .page-about .about-timeline-item {
    padding-left: 48px;
  }

  .page-about .about-timeline-dot {
    left: 5px;
  }
}

@media (min-width: 960px) {
  .page-about .about-frame-stage {
    padding: 44px 48px;
  }

  .page-about .about-hero-grid {
    grid-template-columns: 7fr 4fr;
    gap: 40px;
    align-items: flex-end;
  }

  .page-about .about-hero h1 {
    font-size: clamp(36px, 4.2vw, 58px);
  }

  .page-about .about-hero-metrics {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .page-about .about-corridor {
    grid-template-columns: var(--about-toc-w) minmax(0, 1fr);
    gap: 48px;
  }

  .page-about .about-toc {
    position: sticky;
    top: 28px;
  }

  .page-about .about-section + .about-section {
    margin-top: 96px;
  }

  .page-about .about-cert-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-about .about-cert-cards .about-cert-card:first-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1200px) {
  .page-about .about-wrap {
    padding-inline: 0;
  }

  .page-about .about-mission-lead {
    font-size: 28px;
  }

  .page-about .about-team-role {
    padding: 24px;
  }
}