.page-about {
  --about-green: var(--fluorescent-green);
  --about-gold: var(--gold-highlight);
  --about-panel-bg: rgba(13, 23, 51, 0.72);
  --about-panel-bg-strong: rgba(10, 18, 38, 0.92);
}

.page-about a {
  color: var(--about-green);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-about .about-hero {
  padding: clamp(2rem, 5vw, 3.5rem) 0 2.25rem;
  position: relative;
  border-bottom: 1px solid var(--hairline);
  isolation: isolate;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(120deg, rgba(0, 255, 136, 0.09), transparent 38%),
    radial-gradient(circle at 78% 24%, rgba(245, 184, 75, 0.08), transparent 42%);
  pointer-events: none;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 3px;
  background: linear-gradient(90deg, var(--about-green), rgba(0, 255, 136, 0.2) 42%, transparent 78%);
}

.page-about .about-hero-inner {
  position: relative;
}

.page-about .about-hero-main {
  max-width: 56rem;
}

.page-about .page-kicker {
  font-family: var(--font-mono);
  letter-spacing: 0.16em;
  color: var(--about-green);
  font-size: clamp(0.72rem, 1.6vw, 0.88rem);
  text-transform: uppercase;
  margin: 0 0 0.6rem;
}

.page-about .about-hero-title {
  font-family: var(--font-cn);
  font-weight: 800;
  font-size: clamp(2rem, 6vw, 4rem);
  line-height: 1.12;
  letter-spacing: 0.01em;
  margin: 0 0 1rem;
  color: var(--text-bright);
  max-width: 14em;
}

.page-about .about-hero-desc {
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  line-height: 1.75;
  color: var(--muted-ice);
  max-width: 38em;
}

.page-about .about-hero-grid {
  display: grid;
  gap: 2rem;
  margin-top: 2rem;
}

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

.page-about .about-hero-stat {
  flex: 1 1 8.5rem;
  min-width: 8.5rem;
  background: var(--about-panel-bg);
  border: 1px solid var(--hairline);
  border-radius: 1rem;
  padding: 1rem 1.25rem;
  backdrop-filter: blur(10px);
}

.page-about .about-hero-stat dt {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-ice);
  margin-bottom: 0.4rem;
}

.page-about .about-hero-stat .stat-display {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  line-height: 1;
  color: var(--text-bright);
  letter-spacing: -0.02em;
}

.page-about .about-intro {
  border-bottom: 1px solid var(--hairline);
}

.page-about .about-intro-layout,
.page-about .about-capability-layout {
  display: grid;
  gap: 1.75rem;
}

.page-about .about-rail {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding-top: 1.25rem;
}

.page-about .about-chapter {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--about-gold);
  margin: 0;
  white-space: nowrap;
}

.page-about .about-rail-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--hairline), transparent);
}

.page-about .about-rail-label {
  font-family: var(--font-cn);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted-ice);
  margin: 0;
}

.page-about .about-intro-article h2,
.page-about .about-timeline-section .about-section-head h2,
.page-about .about-capability-section .about-section-head h2,
.page-about .about-team-section .about-section-head h2,
.page-about .about-security-section .about-section-head h2 {
  font-family: var(--font-cn);
  font-weight: 800;
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  line-height: 1.25;
  color: var(--text-bright);
  margin: 0;
}

.page-about .about-intro-article h2 {
  margin-bottom: 1.1rem;
}

.page-about .about-intro-article .prose p {
  margin: 0 0 1em;
}

.page-about .about-paper-note {
  margin-top: 1.75rem;
  border-left: 3px solid var(--about-green);
}

.page-about .about-paper-note p {
  margin: 0 0 0.6rem;
}

.page-about .about-paper-note p:last-child {
  margin-bottom: 0;
}

.page-about .about-timeline-section,
.page-about .about-capability-section,
.page-about .about-team-section,
.page-about .about-security-section {
  border-bottom: 1px solid var(--hairline);
}

.page-about .about-timeline-section .container,
.page-about .about-capability-section .container,
.page-about .about-team-section .container,
.page-about .about-security-section .container {
  padding-top: clamp(2.2rem, 5vw, 3.75rem);
  padding-bottom: clamp(2.2rem, 5vw, 3.75rem);
}

.page-about .about-section-head {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  margin-bottom: 2.25rem;
  padding-left: 0.9rem;
  border-left: 3px solid var(--about-green);
}

.page-about .about-section-head .about-chapter {
  color: var(--about-gold);
}

.page-about .about-section-desc {
  font-family: var(--font-body);
  font-size: 0.98rem;
  line-height: 1.65;
  color: var(--muted-ice);
  margin: 0;
  max-width: 44em;
}

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

.page-about .about-timeline {
  display: grid;
  gap: 0;
  position: relative;
  padding-left: 0;
  margin-left: 0.65rem;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 0.45rem;
  top: 0.5rem;
  bottom: 0.5rem;
  width: 2px;
  background: linear-gradient(180deg, var(--about-green), var(--hairline) 72%, transparent);
}

.page-about .about-timeline-item {
  position: relative;
  padding: 0 0 1.65rem 1.6rem;
}

.page-about .about-timeline-item::before {
  content: "";
  position: absolute;
  left: 0.22rem;
  top: 0.68rem;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--deep-navy-panel);
  border: 2px solid var(--about-green);
}

.page-about .about-timeline-item--current::before {
  background: var(--about-green);
  box-shadow: 0 0 0 4px rgba(0, 255, 136, 0.16);
}

.page-about .about-tl-version {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.01em;
  color: var(--about-gold);
  margin-right: 0.4rem;
  transform: translateY(0.06em);
}

.page-about .about-tl-content h3 {
  font-family: var(--font-cn);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-bright);
  margin: 0.35rem 0 0.3rem;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-about .about-tl-content p {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--muted-ice);
  margin: 0;
  max-width: 38em;
}

.page-about .about-timeline-visual {
  position: relative;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
  background: var(--about-panel-bg-strong);
  border: 1px solid var(--hairline);
  border-radius: 0.9rem;
  overflow: hidden;
}

.page-about .about-timeline-visual img,
.page-about .about-cap-image img,
.page-about .about-team-visual img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-about .figure-container figcaption {
  font-family: var(--font-body);
  font-size: 0.78rem;
  color: var(--muted-ice);
  padding: 0.7rem 1rem;
  background: rgba(8, 12, 20, 0.6);
  border-top: 1px solid var(--hairline);
}

.page-about .about-capability-layout .about-capability-rail {
  min-width: 0;
}

.page-about .about-capability-note {
  margin: 0;
}

.page-about .about-capability-main {
  min-width: 0;
}

.page-about .about-league-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}

.page-about .about-league-item,
.page-about .about-league-total {
  border: 1px solid var(--hairline);
  border-radius: 0.8rem;
  padding: 0.75rem 0.9rem;
  background: rgba(16, 30, 64, 0.55);
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  transition: border-color 240ms ease-out, background 240ms ease-out;
}

.page-about .about-league-item:hover,
.page-about .about-league-total:hover {
  border-color: rgba(0, 255, 136, 0.55);
  background: rgba(16, 30, 64, 0.82);
}

.page-about .about-league-name {
  font-family: var(--font-cn);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-bright);
}

.page-about .about-league-count {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--muted-ice);
}

.page-about .about-league-total .stat-display {
  font-family: var(--font-display);
  font-size: 1.8rem;
  line-height: 1;
  color: var(--about-green);
}

.page-about .about-league-total .about-league-total-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-ice);
}

.page-about .about-league-total {
  border-color: rgba(0, 255, 136, 0.35);
  background: rgba(0, 255, 136, 0.06);
}

.page-about .about-cap-detail {
  display: grid;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.page-about .about-cap-image {
  border: 1px solid var(--hairline);
  border-radius: 0.85rem;
  overflow: hidden;
  background: var(--about-panel-bg-strong);
}

.page-about .about-cap-image .figure-container figcaption {
  border-top: 1px solid var(--hairline);
}

.page-about .about-cap-list {
  display: grid;
  gap: 0.8rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-cap-list li {
  position: relative;
  padding: 0.8rem 1rem 0.8rem 2.4rem;
  background: rgba(16, 30, 64, 0.5);
  border: 1px solid var(--hairline);
  border-radius: 0.75rem;
  font-family: var(--font-body);
  font-size: 0.94rem;
  line-height: 1.65;
  color: var(--muted-ice);
}

.page-about .about-cap-list li::before {
  content: "";
  position: absolute;
  left: 0.95rem;
  top: 1.25rem;
  width: 0.55rem;
  height: 0.55rem;
  background: var(--about-green);
  transform: rotate(45deg);
}

.page-about .about-cap-list strong {
  color: var(--text-bright);
}

.page-about .about-data-panel {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  padding: 1rem;
  background: var(--about-panel-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--hairline);
  border-radius: 1rem;
}

.page-about .about-data-item {
  text-align: center;
  padding: 0.6rem 0.35rem;
}

.page-about .about-data-item .stat-display {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3vw, 1.9rem);
  line-height: 1.1;
  color: var(--about-green);
  letter-spacing: -0.01em;
}

.page-about .about-data-item .stat-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-ice);
  margin-top: 0.3rem;
}

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

.page-about .about-team-roles {
  display: grid;
  gap: 0.85rem;
}

.page-about .about-role-card {
  padding: 1.15rem 1.25rem 1.15rem 1.5rem;
  background:
    linear-gradient(135deg, rgba(16, 30, 64, 0.78), rgba(8, 12, 20, 0.62));
  border: 1px solid var(--hairline);
  border-left-color: var(--about-gold);
  border-radius: 0.85rem;
  position: relative;
  transition: border-color 240ms ease-out, transform 240ms ease-out;
}

.page-about .about-role-card:hover {
  border-color: rgba(0, 255, 136, 0.45);
  transform: translateX(3px);
}

.page-about .about-role-num {
  position: absolute;
  top: 0.8rem;
  right: 1rem;
  font-family: var(--font-display);
  font-size: 2rem;
  color: rgba(245, 184, 75, 0.72);
  opacity: 0.8;
}

.page-about .about-role-card h3 {
  font-family: var(--font-cn);
  font-weight: 700;
  font-size: 1.08rem;
  color: var(--text-bright);
  margin: 0 0 0.4rem;
}

.page-about .about-role-card p {
  font-family: var(--font-body);
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--muted-ice);
  margin: 0;
  max-width: 30em;
}

.page-about .about-team-visual {
  border: 1px solid var(--hairline);
  border-radius: 0.85rem;
  overflow: hidden;
  background: var(--about-panel-bg-strong);
}

.page-about .about-team-visual .figure-container {
  display: block;
}

.page-about .about-team-visual img {
  width: 100%;
  object-fit: cover;
}

.page-about .about-team-visual figcaption {
  border-top: 1px solid var(--hairline);
}

.page-about .about-security-grid {
  display: grid;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.page-about .about-security-card {
  padding: 1.25rem 1.4rem 1.35rem;
  background: var(--about-panel-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--hairline);
  border-radius: 1rem;
}

.page-about .about-security-tag {
  margin-bottom: 0.75rem;
}

.page-about .about-security-id {
  font-family: var(--font-cn);
  font-weight: 700;
  font-size: 1.15rem;
  line-height: 1.4;
  color: var(--text-bright);
  margin: 0 0 0.4rem;
}

.page-about .about-security-desc {
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--muted-ice);
  margin: 0;
}

.page-about .about-security-contact {
  margin-bottom: 1.25rem;
  padding: 1rem 1.15rem;
  background: rgba(242, 235, 221, 0.04);
  border: 1px solid var(--hairline);
  border-radius: 0.85rem;
  display: grid;
  gap: 0.55rem;
}

.page-about .about-security-contact p {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--muted-ice);
  margin: 0;
}

.page-about .about-security-contact strong {
  color: var(--text-bright);
}

.page-about .about-security-legal {
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--muted-ice);
  margin: 0 0 1.5rem;
  max-width: 46em;
}

.page-about .about-cta-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--hairline);
}

.page-about .about-cta-strip .btn {
  margin: 0;
}

@media (min-width: 640px) {
  .page-about .about-hero-stat {
    flex: 1 1 0;
  }

  .page-about .about-league-grid {
    grid-template-columns: repeat(6, 1fr);
  }

  .page-about .about-league-total {
    grid-column: span 1;
  }

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

@media (min-width: 768px) {
  .page-about .about-hero-grid {
    grid-template-columns: 5fr 3fr;
    align-items: end;
    gap: 2.5rem;
  }

  .page-about .about-hero-stats {
    flex-direction: column;
    gap: 0.6rem;
  }

  .page-about .about-hero-stat {
    flex: none;
    width: 100%;
  }

  .page-about .about-intro-layout,
  .page-about .about-capability-layout {
    grid-template-columns: 3fr 8fr;
    gap: 2.5rem;
  }

  .page-about .about-rail {
    display: block;
    padding-top: 0.4rem;
  }

  .page-about .about-rail-line {
    display: block;
    width: 2px;
    height: 4.5rem;
    margin: 1rem 0;
    background: linear-gradient(180deg, var(--about-green), transparent);
  }

  .page-about .about-timeline-layout {
    grid-template-columns: 7fr 5fr;
    gap: 2.5rem;
    align-items: start;
  }

  .page-about .about-cap-detail {
    grid-template-columns: 4fr 7fr;
    align-items: start;
  }

  .page-about .about-capability-rail {
    padding-top: 0.4rem;
  }

  .page-about .about-capability-main {
    min-width: 0;
  }

  .page-about .about-team-grid {
    grid-template-columns: 6fr 5fr;
    gap: 2.5rem;
    align-items: start;
  }

  .page-about .about-team-visual {
    position: sticky;
    top: 8.5rem;
  }

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

  .page-about .about-security-contact {
    grid-template-columns: repeat(3, 1fr);
    gap: 0.6rem 1.2rem;
  }
}

@media (min-width: 1080px) {
  .page-about .about-hero {
    padding: clamp(3.5rem, 6vw, 5rem) 0 3rem;
  }

  .page-about .about-hero-desc {
    font-size: 1.12rem;
  }

  .page-about .about-intro-article {
    padding-right: 2.5rem;
  }

  .page-about .about-intro-article .prose {
    font-size: 1.02rem;
    line-height: 1.8;
  }

  .page-about .about-timeline-item {
    padding-bottom: 1.9rem;
  }

  .page-about .about-tl-version {
    font-size: 1.55rem;
  }

  .page-about .about-league-grid {
    gap: 0.75rem;
  }

  .page-about .about-league-item,
  .page-about .about-league-total {
    padding: 0.9rem 1.05rem;
  }

  .page-about .about-role-card {
    padding: 1.35rem 1.5rem 1.35rem 1.65rem;
  }

  .page-about .about-role-num {
    font-size: 2.4rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-role-card,
  .page-about .about-league-item,
  .page-about .about-league-total {
    transition: none;
  }
}