.page-about {
  background: var(--c-light);
  scroll-behavior: smooth;
}

.page-about .container {
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: 20px;
}

.page-about .breadcrumb {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 28px;
  padding-bottom: 12px;
}

.page-about .breadcrumb-list {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .breadcrumb-list a {
  color: var(--c-link);
  text-decoration: none;
}

.page-about .breadcrumb-sep {
  color: var(--c-muted);
}

.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: 72px 0 56px;
  border-radius: 0 0 48px 48px;
  background: linear-gradient(135deg, var(--c-primary-deep) 0%, var(--c-primary) 55%, var(--c-primary-2) 100%);
  color: var(--c-white);
}

.page-about .about-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(circle at 70% 30%, black, transparent 80%);
}

.page-about .about-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 32px;
  align-items: center;
}

.page-about .about-hero-copy .kicker {
  color: var(--c-accent);
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.page-about .about-hero-copy h1 {
  max-width: 640px;
  margin: 0 0 18px;
  font-family: var(--font-heading);
  font-size: clamp(32px, 6vw, 56px);
  line-height: 1.15;
}

.page-about .about-hero-copy .page-lead {
  max-width: 680px;
  margin-bottom: 28px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 17px;
  line-height: 1.7;
}

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

.page-about .about-hero .btn-ghost {
  color: var(--c-white);
  border-color: rgba(255, 255, 255, 0.35);
}

.page-about .about-hero-art {
  position: absolute;
  right: -30px;
  top: 32px;
  width: 220px;
  opacity: 0.9;
  pointer-events: none;
}

.page-about .about-hero-metrics {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.page-about .about-hero-metric {
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.06);
}

.page-about .about-hero-metric .data-num {
  display: block;
  font-size: 28px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--c-white);
}

.page-about .about-metric-label {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
}

.page-about .about-body {
  display: grid;
  gap: 32px;
  padding: 48px 0 64px;
}

.page-about .about-toc {
  padding: 24px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-xl);
  background: var(--c-white);
}

.page-about .about-toc-label {
  margin-bottom: 16px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-about .about-toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-about .about-toc-list li + li {
  border-top: 1px solid var(--c-line);
}

.page-about .about-toc-list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 12px 0;
  color: var(--c-dark);
  font-weight: 500;
  text-decoration: none;
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-about .about-toc-list a:hover {
  color: var(--c-accent);
  padding-left: 6px;
}

.page-about .about-toc-num {
  flex-shrink: 0;
  color: var(--c-accent);
  font-family: var(--font-data);
  font-size: 12px;
}

.page-about .about-toc-meta {
  margin-top: 16px;
  font-size: 13px;
}

.page-about .about-toc-meta a {
  color: var(--c-link);
  text-decoration: none;
}

.page-about .section {
  scroll-margin-top: 88px;
  padding: 8px 0 56px;
}

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

.page-about .about-section-head .kicker {
  margin-bottom: 10px;
  color: var(--c-accent);
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-about .about-section-head h2 {
  margin: 0;
  color: var(--c-dark);
  font-family: var(--font-heading);
  font-size: clamp(28px, 4vw, 36px);
  line-height: 1.2;
}

.page-about .about-section-head p:not(.kicker) {
  max-width: 720px;
  margin: 10px 0 0;
  color: var(--c-muted);
  font-size: 15px;
  line-height: 1.7;
}

.page-about .about-section-head--light h2 {
  color: var(--c-white);
}

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

.page-about .about-who .prose p {
  margin-bottom: 18px;
  color: var(--c-dark);
  font-size: 16px;
  line-height: 1.75;
}

.page-about .about-trust {
  margin: 0;
  padding: 24px;
  border-left: 4px solid var(--c-accent);
  border-radius: 0 var(--radius-xl) var(--radius-xl) 0;
  background: linear-gradient(135deg, rgba(255, 107, 0, 0.08), rgba(255, 140, 59, 0.05));
  color: var(--c-dark);
  font-size: 15px;
  line-height: 1.7;
}

.page-about .about-trust p {
  margin: 0 0 10px;
}

.page-about .about-trust cite {
  color: var(--c-muted);
  font-family: var(--font-data);
  font-size: 12px;
  font-style: normal;
}

.page-about .about-milestones {
  padding: 32px 20px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-xl);
  background: var(--c-white);
}

.page-about .about-timeline {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-timeline::before {
  content: '';
  position: absolute;
  left: 14px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--c-line);
}

.page-about .about-milestone {
  position: relative;
  padding: 0 0 32px 44px;
}

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

.page-about .about-milestone::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 28px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--c-accent);
  box-shadow: 0 0 0 4px rgba(255, 107, 0, 0.16);
  transition: transform var(--dur) var(--ease);
}

.page-about .about-milestone:hover::before {
  transform: scale(1.15);
}

.page-about .about-milestone-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.page-about .about-milestone-year {
  color: var(--c-accent);
  font-family: var(--font-data);
  font-size: 18px;
  font-weight: 700;
}

.page-about .about-milestone-tag {
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: rgba(255, 107, 0, 0.1);
  color: var(--c-accent);
  font-size: 12px;
  font-weight: 500;
}

.page-about .about-milestone-card {
  padding: 18px 20px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  background: var(--c-light);
}

.page-about .about-milestone-card h3 {
  margin: 0 0 8px;
  color: var(--c-dark);
  font-family: var(--font-heading);
  font-size: 19px;
  line-height: 1.35;
}

.page-about .about-milestone-card p {
  margin: 0 0 10px;
  color: var(--c-dark);
  font-size: 15px;
  line-height: 1.65;
}

.page-about .about-milestone-more {
  margin-top: 8px;
}

.page-about .about-milestone-more summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  list-style: none;
  color: var(--c-link);
  font-size: 13px;
}

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

.page-about .about-milestone-more summary::before {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 1px solid var(--c-link);
  border-radius: 50%;
  content: '+';
  color: var(--c-link);
  font-family: var(--font-data);
  font-size: 13px;
  line-height: 14px;
  text-align: center;
}

.page-about .about-milestone-more[open] summary::before {
  content: '−';
}

.page-about .about-milestone-more > p {
  margin-top: 10px;
  margin-bottom: 0;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  background: rgba(62, 119, 188, 0.08);
  color: var(--c-dark);
  font-size: 14px;
  line-height: 1.6;
}

.page-about .about-data-inner {
  position: relative;
  overflow: hidden;
  padding: 32px 20px;
  border-radius: var(--radius-xl);
  background: linear-gradient(160deg, var(--c-primary) 0%, var(--c-primary-2) 70%, var(--c-primary-3) 100%);
  color: rgba(255, 255, 255, 0.9);
}

.page-about .about-data-inner::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 85% 10%, rgba(62, 119, 188, 0.35), transparent 45%),
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: auto, 36px 36px, 36px 36px;
}

.page-about .about-data-inner > * {
  position: relative;
  z-index: 1;
}

.page-about .about-data-intro {
  max-width: 760px;
  margin-bottom: 28px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 16px;
  line-height: 1.7;
}

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

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

.page-about .about-data-stat {
  padding: 18px 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.07);
}

.page-about .about-data-stat .data-num {
  display: block;
  margin-bottom: 6px;
  color: var(--c-white);
  font-size: 30px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.page-about .about-data-label {
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
}

.page-about .about-map-block {
  margin: 0;
}

.page-about .about-map-block img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.3);
}

.page-about .about-map-block figcaption {
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.65);
  font-size: 13px;
  line-height: 1.6;
}

.page-about .about-data-foot {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
  line-height: 1.7;
}

.page-about .about-credential-grid {
  display: grid;
  gap: 16px;
  margin-bottom: 24px;
}

.page-about .about-credential-card {
  display: flex;
  flex-direction: column;
  padding: 24px 20px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-xl);
  background: var(--c-white);
  transition: box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-about .about-credential-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(10, 30, 60, 0.08);
}

.page-about .about-credential-badge {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  margin-bottom: 18px;
  border: 2px solid var(--c-accent);
  border-radius: 50%;
  background: rgba(255, 107, 0, 0.1);
  color: var(--c-accent);
  font-family: var(--font-data);
  font-size: 15px;
  font-weight: 700;
}

.page-about .about-credential-badge::after {
  content: '';
  position: absolute;
  inset: 3px;
  border: 1px dashed rgba(255, 107, 0, 0.5);
  border-radius: 50%;
}

.page-about .about-credential-card h3 {
  margin: 0 0 8px;
  color: var(--c-dark);
  font-family: var(--font-heading);
  font-size: 18px;
  line-height: 1.4;
}

.page-about .about-credential-card p {
  margin: 0;
  color: var(--c-muted);
  font-size: 14px;
  line-height: 1.65;
}

.page-about .about-credential-bottom {
  display: grid;
  gap: 20px;
  align-items: center;
  padding: 20px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-xl);
  background: var(--c-white);
}

.page-about .about-credential-evidence {
  margin: 0;
}

.page-about .about-credential-evidence img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
}

.page-about .about-credential-evidence figcaption {
  margin-top: 8px;
  color: var(--c-muted);
  font-size: 12px;
  line-height: 1.5;
}

.page-about .about-credential-note {
  color: var(--c-dark);
  font-size: 15px;
  line-height: 1.7;
}

.page-about .about-team-grid {
  display: grid;
  gap: 32px;
  align-items: center;
}

.page-about .about-team-copy p {
  margin-bottom: 16px;
  color: var(--c-dark);
  font-size: 15px;
  line-height: 1.75;
}

.page-about .about-team-values {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-team-values li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-pill);
  background: var(--c-white);
  color: var(--c-dark);
  font-size: 14px;
  line-height: 1.6;
}

.page-about .about-team-values li::before {
  content: '→';
  flex-shrink: 0;
  color: var(--c-accent);
  font-family: var(--font-data);
}

.page-about .about-team-image {
  margin: 0;
}

.page-about .about-team-image img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-xl);
  box-shadow: 0 18px 40px rgba(10, 30, 60, 0.14);
}

.page-about .about-team-image figcaption {
  margin-top: 10px;
  color: var(--c-muted);
  font-size: 13px;
  line-height: 1.6;
}

.page-about .about-cta {
  padding: 56px 0 64px;
  border-radius: 48px 48px 0 0;
  background: linear-gradient(135deg, var(--c-primary-deep), var(--c-primary-2));
  color: var(--c-white);
  text-align: center;
}

.page-about .about-cta-inner {
  max-width: 720px;
  margin-inline: auto;
}

.page-about .about-cta h2 {
  margin: 0 0 12px;
  color: var(--c-white);
  font-family: var(--font-heading);
  font-size: clamp(26px, 4vw, 36px);
  line-height: 1.2;
}

.page-about .about-cta p {
  margin-bottom: 28px;
  color: rgba(255, 255, 255, 0.75);
  font-size: 16px;
  line-height: 1.7;
}

.page-about .about-cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.page-about .about-cta .btn-ghost {
  color: var(--c-white);
  border-color: rgba(255, 255, 255, 0.35);
}

.page-about .about-flow-line {
  animation: about-flow-dash 18s linear infinite;
}

.page-about .about-flow-line--slow {
  animation-duration: 30s;
  animation-direction: reverse;
}

@keyframes about-flow-dash {
  to {
    stroke-dashoffset: -240;
  }
}

@media (min-width: 640px) {
  .page-about .about-credential-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .page-about .about-credential-bottom {
    grid-template-columns: 260px 1fr;
    gap: 28px;
    padding: 24px;
  }
}

@media (min-width: 768px) {
  .page-about .about-hero-metrics {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about .about-who-grid {
    grid-template-columns: 1.4fr 1fr;
    gap: 40px;
  }

  .page-about .about-milestones {
    padding: 48px;
  }

  .page-about .about-milestone {
    display: grid;
    grid-template-columns: 160px minmax(0, 1fr);
    gap: 8px 28px;
    padding: 0 0 40px 44px;
  }

  .page-about .about-milestone-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    margin-bottom: 0;
  }

  .page-about .about-data-inner {
    padding: 40px 32px;
  }

  .page-about .about-data-layout {
    gap: 32px;
  }
}

@media (min-width: 992px) {
  .page-about .about-data-layout {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: center;
  }

  .page-about .about-credential-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }

  .page-about .about-credential-card:nth-child(2) {
    margin-top: 16px;
  }

  .page-about .about-credential-card:nth-child(3) {
    margin-top: 32px;
  }

  .page-about .about-credential-card:nth-child(4) {
    margin-top: 8px;
  }

  .page-about .about-team-grid {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
  }
}

@media (min-width: 1024px) {
  .page-about .about-hero-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  }

  .page-about .about-hero-art {
    position: static;
    width: 100%;
  }

  .page-about .about-body {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-about .about-toc {
    position: sticky;
    top: 96px;
  }
}