.page-about {
  --about-gold: var(--color-gold);
  --about-gold-bright: var(--color-gold-bright);
  --about-blue: var(--color-blue);
  --about-neon: var(--color-neon);
  --about-bg: var(--color-bg);
  --about-panel: var(--color-panel);
  --about-text: var(--color-text);
  --about-text-dim: var(--color-text-dim);
  --about-border: var(--color-border);
}

.page-about .cover-art img,
.page-about .timeline-image img,
.page-about .capability-image img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
}

.page-about .about-cover {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding: 36px 0 32px;
  overflow: hidden;
}

.page-about .cover-art {
  position: relative;
  order: -1;
  overflow: hidden;
  min-height: 220px;
  background: var(--about-panel);
  border-radius: var(--radius-lg);
}

.page-about .cover-art img {
  aspect-ratio: 1400 / 900;
  object-fit: cover;
}

.page-about .cover-year {
  position: absolute;
  right: 0;
  bottom: 4px;
  z-index: 2;
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: clamp(112px, 32vw, 280px);
  line-height: 0.78;
  letter-spacing: 0.01em;
  color: rgba(212, 168, 67, 0.34);
  pointer-events: none;
  user-select: none;
}

@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .page-about .cover-year {
    background: linear-gradient(135deg, rgba(242, 199, 110, 0.78) 0%, rgba(212, 168, 67, 0.12) 74%, rgba(10, 12, 16, 0.05) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    opacity: 0.82;
  }
}

.page-about .cover-copy {
  position: relative;
  z-index: 1;
}

.page-about .breadcrumb {
  margin-bottom: 18px;
}

.page-about .cover-kicker {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--about-blue);
  margin: 0 0 8px;
}

.page-about h1#about-title {
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: clamp(48px, 10vw, 116px);
  line-height: 0.95;
  letter-spacing: 0.01em;
  margin: 0;
}

.page-about .cover-subtitle {
  margin-top: 12px;
  font-weight: 700;
  color: var(--about-gold);
  letter-spacing: 0.1em;
  font-size: 15px;
}

.page-about .cover-lead {
  margin-top: 22px;
  max-width: 34em;
  color: var(--about-text-dim);
  font-size: 15px;
  line-height: 1.8;
}

.page-about .cover-lead strong {
  color: var(--about-text);
}

.page-about .cover-index {
  margin-top: 30px;
  padding-left: 16px;
  border-left: 2px solid var(--about-gold);
}

.page-about .cover-index-label {
  display: block;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--about-text-dim);
  margin-bottom: 10px;
}

.page-about .cover-index ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 5px;
}

.page-about .cover-index li {
  margin: 0;
}

.page-about .cover-index a {
  color: var(--about-text);
  text-decoration: none;
  font-size: 14px;
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  transition: color 0.2s var(--ease);
}

.page-about .cover-index a:hover {
  color: var(--about-gold);
}

.page-about .about-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding: 68px 0;
  border-top: 1px solid var(--about-border);
}

.page-about .section-meta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-about .section-index {
  font-family: var(--font-data);
  font-size: 14px;
  letter-spacing: 0.14em;
  color: var(--about-blue);
}

.page-about .annotation {
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--about-text-dim);
  text-transform: uppercase;
}

.page-about .about-section h2 {
  font-size: clamp(30px, 5vw, 52px);
  letter-spacing: 0.02em;
  margin: 0 0 14px;
  line-height: 1.05;
}

.page-about .about-section .section-lead {
  font-size: 16px;
  color: var(--about-text-dim);
  margin-bottom: 28px;
  max-width: 38em;
  line-height: 1.7;
}

.page-about .mission-text {
  color: var(--about-text-dim);
  font-size: 15px;
  line-height: 1.8;
  max-width: 42em;
  margin: 0 0 24px;
}

.page-about .mission-points {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

.page-about .mission-point {
  background: var(--about-panel);
  border: 1px solid var(--about-border);
  border-radius: var(--radius-md);
  padding: 24px;
}

.page-about .mp-num {
  display: block;
  font-family: var(--font-data);
  font-size: 54px;
  line-height: 1;
  color: var(--about-gold);
  margin-bottom: 12px;
}

.page-about .mp-num small {
  font-size: 18px;
  color: var(--about-gold-bright);
  margin-left: 3px;
}

.page-about .mp-label {
  color: var(--about-text-dim);
  font-size: 14px;
  line-height: 1.6;
  margin: 0;
}

.page-about .timeline {
  position: relative;
  margin: 40px 0 32px;
}

.page-about .timeline::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: linear-gradient(180deg, var(--about-gold) 0%, var(--about-blue) 48%, var(--about-neon) 100%);
  opacity: 0.55;
}

.page-about .milestone-card {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.page-about .m-marker {
  position: relative;
  display: flex;
  justify-content: center;
  padding-top: 26px;
}

.page-about .m-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 3px solid var(--about-gold);
  background: var(--about-bg);
  box-shadow: 0 0 0 4px rgba(212, 168, 67, 0.12);
}

.page-about .m-content {
  background: var(--about-panel);
  border: 1px solid var(--about-border);
  border-radius: var(--radius-md);
  padding: 20px 22px;
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-about .m-content:hover {
  transform: translateY(-3px);
  border-color: rgba(212, 168, 67, 0.45);
}

.page-about .m-year {
  display: block;
  font-family: var(--font-headline);
  font-size: 28px;
  font-weight: 700;
  color: var(--about-gold-bright);
  margin-bottom: 8px;
  letter-spacing: 0.05em;
  line-height: 1;
}

.page-about .m-content h3 {
  font-size: 18px;
  margin: 0 0 8px;
  letter-spacing: 0.02em;
}

.page-about .m-content p {
  margin: 0;
  color: var(--about-text-dim);
  font-size: 14px;
  line-height: 1.7;
}

.page-about .m-details {
  margin-top: 12px;
  border-top: 1px solid var(--about-border);
  padding-top: 10px;
}

.page-about .m-details summary {
  cursor: pointer;
  color: var(--about-blue);
  font-size: 13px;
  font-family: var(--font-data);
  letter-spacing: 0.04em;
  list-style: none;
  display: inline-block;
  transition: color 0.2s var(--ease);
}

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

.page-about .m-details summary:hover {
  color: var(--about-gold-bright);
}

.page-about .m-details[open] summary {
  margin-bottom: 8px;
}

.page-about .m-details p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--about-text-dim);
}

.page-about .timeline-image {
  margin-top: 8px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--about-border);
}

.page-about .timeline-image img {
  aspect-ratio: 1000 / 400;
  object-fit: cover;
}

.page-about .cert-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-about .cert-item {
  background: var(--about-panel);
  border: 1px solid var(--about-border);
  border-radius: var(--radius-lg);
  padding: 26px 24px;
  transition: border-color 0.25s var(--ease);
}

.page-about .cert-item:hover {
  border-color: rgba(61, 183, 255, 0.5);
}

.page-about .cert-seal {
  width: 86px;
  height: 86px;
  border-radius: 50%;
  border: 2px dashed rgba(212, 168, 67, 0.45);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--about-gold);
  margin-bottom: 20px;
  letter-spacing: 0.08em;
}

.page-about .cert-seal span + span {
  color: var(--about-gold-bright);
}

.page-about .cert-item h3 {
  font-size: 18px;
  margin: 0 0 10px;
  letter-spacing: 0.02em;
}

.page-about .cert-item p {
  color: var(--about-text-dim);
  font-size: 14px;
  line-height: 1.7;
  margin: 0;
}

.page-about .cert-note {
  margin-top: 24px;
  font-size: 14px;
  color: var(--about-text-dim);
  border-left: 3px solid var(--about-blue);
  padding-left: 16px;
  line-height: 1.7;
}

.page-about .capability-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.page-about .cap-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.page-about .stat-item {
  background: var(--about-panel);
  border: 1px solid var(--about-border);
  border-radius: var(--radius-md);
  padding: 20px 16px;
}

.page-about .stat-num {
  display: inline-block;
  font-family: var(--font-data);
  font-size: 48px;
  line-height: 1;
  color: var(--about-gold);
}

.page-about .stat-suffix {
  font-family: var(--font-data);
  font-size: 15px;
  font-weight: 700;
  color: var(--about-gold-bright);
  margin-left: 3px;
}

.page-about .stat-label {
  display: block;
  margin-top: 10px;
  color: var(--about-text-dim);
  font-size: 13px;
  letter-spacing: 0.05em;
}

.page-about .cap-desc p {
  color: var(--about-text-dim);
  font-size: 15px;
  line-height: 1.8;
}

.page-about .cap-desc p strong {
  color: var(--about-text);
}

.page-about .capability-image {
  margin-top: 24px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--about-border);
}

.page-about .capability-image img {
  aspect-ratio: 800 / 600;
  object-fit: cover;
}

.page-about .cap-note {
  margin-top: 28px;
}

.page-about .team-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.page-about .team-copy p {
  color: var(--about-text-dim);
  font-size: 15px;
  line-height: 1.8;
  margin: 0 0 18px;
}

.page-about .dept-grid {
  list-style: none;
  margin: 24px 0 28px;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-about .dept-grid li {
  background: var(--about-panel);
  border: 1px solid var(--about-border);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-about .dept-grid span {
  color: var(--about-gold);
  font-family: var(--font-headline);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.page-about .dept-grid em {
  font-style: normal;
  color: var(--about-text-dim);
  font-size: 13px;
}

.page-about .ecosystem-map {
  background: var(--about-panel);
  border: 1px solid var(--about-border);
  border-radius: var(--radius-lg);
  padding: 18px 12px 8px;
}

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

.page-about .ec-line line {
  stroke: var(--about-blue);
  stroke-width: 1.8;
  stroke-dasharray: 5 7;
  opacity: 0.5;
}

.page-about .ec-node circle {
  fill: var(--about-bg);
  stroke: var(--about-gold);
  stroke-width: 2;
}

.page-about .ec-node circle:last-child {
  fill: rgba(20, 26, 34, 1);
  stroke: var(--about-neon);
  stroke-width: 2.4;
}

.page-about .ec-labels text {
  fill: var(--about-text-dim);
  font-size: 13px;
  font-family: var(--font-data);
  letter-spacing: 0.06em;
  text-anchor: middle;
}

.page-about .ec-labels .ec-center {
  fill: var(--about-gold);
  font-weight: 700;
  font-size: 16px;
}

.page-about .contact-card {
  background: var(--about-panel);
  border: 1px solid var(--about-border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  max-width: 660px;
  margin: 8px 0 28px;
}

.page-about .contact-row {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 10px 16px;
  padding: 16px 0;
  border-top: 1px solid var(--about-border);
}

.page-about .contact-row:first-child {
  border-top: 0;
}

.page-about .contact-row dt {
  font-family: var(--font-data);
  font-weight: 600;
  color: var(--about-gold);
  font-size: 13px;
  letter-spacing: 0.08em;
  line-height: 1.5;
}

.page-about .contact-row dd {
  margin: 0;
  font-size: 15px;
  color: var(--about-text);
  word-break: break-all;
  line-height: 1.5;
}

.page-about .contact-row .contact-time {
  grid-column: 2;
  color: var(--about-text-dim);
  font-size: 12px;
  line-height: 1.5;
}

@media (min-width: 720px) {
  .page-about .mission-points {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .cert-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .cap-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .dept-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .dept-grid li {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

@media (min-width: 980px) {
  .page-about .about-cover {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 56px;
    align-items: center;
    padding: 56px 0 48px;
    min-height: 600px;
  }

  .page-about .cover-art {
    order: 2;
    min-height: 420px;
    border-radius: 0;
    clip-path: polygon(14% 0, 100% 0, 100% 88%, 86% 100%, 0 100%, 0 12%);
  }

  .page-about .cover-year {
    right: -10px;
    bottom: -24px;
    font-size: clamp(180px, 22vw, 320px);
  }

  .page-about .about-section {
    grid-template-columns: 180px minmax(0, 1fr);
    gap: 52px;
    padding: 100px 0;
  }

  .page-about .section-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-about .annotation {
    writing-mode: vertical-rl;
    transform: rotate(180deg);
  }

  .page-about .capability-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 44px;
  }

  .page-about .capability-image {
    max-width: 480px;
    margin-left: auto;
  }

  .page-about .team-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 48px;
  }
}