.page-about {
  --about-paper-bg: linear-gradient(135deg, rgba(26, 27, 75, 0.72), rgba(16, 20, 40, 0.88));
  --about-border-purple: 1px solid rgba(123, 47, 239, 0.35);
  --about-border-green: 1px solid rgba(198, 255, 61, 0.55);
  --about-grid-line: rgba(123, 47, 239, 0.045);
  position: relative;
  padding: 28px 20px 72px;
  background-image:
    linear-gradient(var(--about-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--about-grid-line) 1px, transparent 1px);
  background-size: 36px 36px;
  color: var(--c-text-light);
}

.page-about .breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--c-text-muted);
}

.page-about .breadcrumb a {
  color: var(--c-text-muted);
  text-decoration: none;
  transition: color 0.3s var(--ease);
}

.page-about .breadcrumb a:hover {
  color: var(--c-accent-green);
}

.page-about .breadcrumb-sep {
  opacity: 0.5;
}

.page-about .breadcrumb-current {
  color: var(--c-text-light);
}

.page-about .about-layout {
  display: block;
}

.page-about .about-rail {
  display: flex;
  align-items: center;
  gap: 6px;
  overflow-x: auto;
  padding: 4px 2px 14px;
  margin-bottom: 32px;
  border-bottom: 1px solid rgba(123, 47, 239, 0.3);
  scrollbar-width: thin;
}

.page-about .about-rail-note {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--c-text-muted);
  margin: 0 8px 0 0;
  white-space: nowrap;
}

.page-about .about-rail-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid transparent;
  border-radius: 4px;
  color: var(--c-text-muted);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.page-about .about-rail-link:hover {
  color: var(--c-accent-green);
  border-color: rgba(198, 255, 61, 0.35);
  background: rgba(198, 255, 61, 0.06);
}

.page-about .about-rail-no {
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--c-accent-green);
  opacity: 0.85;
}

.page-about .about-rail-foot {
  display: none;
}

.page-about .page-head {
  margin: 0 0 48px;
  padding: 28px 22px 30px;
  background: rgba(26, 27, 75, 0.5);
  border-left: 3px solid var(--c-accent-green);
  position: relative;
}

.page-about .page-head::after {
  content: "FILE / TB-ARCHIVE";
  position: absolute;
  top: 14px;
  right: 16px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: rgba(160, 168, 184, 0.6);
}

.page-about .about-eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--c-accent-green);
  text-transform: uppercase;
}

.page-about .page-head .page-title {
  margin: 0 0 18px;
  max-width: 820px;
  font-family: var(--font-heading);
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  font-style: italic;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--c-text-light);
  transform: skewX(-2deg);
}

.page-about .page-head .page-lead {
  margin: 0;
  max-width: 720px;
  font-size: 17px;
  line-height: 1.75;
  color: var(--c-text-muted);
}

.page-about .section {
  margin: 0 0 56px;
}

.page-about .section-heading {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 24px;
}

.page-about .section-index {
  font-family: var(--font-data);
  font-size: 40px;
  font-weight: 300;
  line-height: 1;
  color: var(--c-accent-green);
}

.page-about .section-heading h2 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--c-text-light);
}

.page-about .about-paper {
  position: relative;
  padding: 28px 22px 26px;
  background: var(--about-paper-bg);
  border: var(--about-border-purple);
  border-radius: 8px;
  overflow: hidden;
}

.page-about .about-paper::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 56px;
  height: 3px;
  background: var(--c-accent-green);
}

.page-about .about-paper::after {
  content: "BRAND FILE";
  position: absolute;
  bottom: 14px;
  right: 16px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: rgba(160, 168, 184, 0.45);
}

.page-about .about-statement {
  font-size: 18px;
  line-height: 1.8;
  color: var(--c-text-light);
  margin: 0 0 18px;
}

.page-about .about-paper p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-text-muted);
  margin: 0 0 14px;
}

.page-about .about-paper a {
  color: var(--c-accent-green);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-color: rgba(198, 255, 61, 0.4);
  transition: text-decoration-color 0.3s var(--ease), color 0.3s var(--ease);
}

.page-about .about-paper a:hover {
  color: var(--c-text-light);
  text-decoration-color: var(--c-accent-green);
}

.page-about .about-metric-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid rgba(123, 47, 239, 0.22);
}

.page-about .about-metric-item {
  padding: 14px 16px;
  background: rgba(16, 20, 40, 0.6);
  border-left: 2px solid var(--c-accent-green);
  border-radius: 4px;
}

.page-about .about-metric-num {
  display: block;
  font-family: var(--font-data);
  font-size: 30px;
  line-height: 1.1;
  color: var(--c-accent-green);
}

.page-about .about-metric-label {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  color: var(--c-text-muted);
}

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

.page-about .coverage-main p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-text-muted);
  margin: 0 0 16px;
}

.page-about .coverage-main a {
  color: var(--c-accent-green);
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color 0.3s var(--ease);
}

.page-about .coverage-main a:hover {
  color: var(--c-text-light);
}

.page-about .coverage-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  border-top: 1px solid rgba(123, 47, 239, 0.2);
}

.page-about .coverage-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 4px;
  border-bottom: 1px dashed rgba(123, 47, 239, 0.18);
  font-size: 15px;
  color: var(--c-text-light);
}

.page-about .coverage-list-no {
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--c-accent-green);
}

.page-about .coverage-footnote {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: rgba(13, 74, 90, 0.35);
  border: 1px solid rgba(13, 74, 90, 0.7);
  border-radius: 6px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-text-light);
}

.page-about .coverage-tag {
  flex-shrink: 0;
  padding: 3px 10px;
  border-radius: 12px;
  background: var(--c-accent-green);
  color: #0B1026;
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 700;
}

.page-about .img-frame {
  margin: 0;
}

.page-about .img-frame img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
  border: var(--about-border-purple);
}

.page-about .img-frame figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--c-text-muted);
  line-height: 1.5;
}

.page-about .coverage-number-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-about .coverage-number-strip div {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: var(--c-teal);
  border-radius: 20px;
  font-size: 13px;
  color: var(--c-text-light);
}

.page-about .check-icon {
  color: var(--c-accent-green);
  font-weight: 700;
}

.page-about .timeline-hero {
  margin-bottom: 32px;
}

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

.page-about .timeline-list::before {
  content: "";
  position: absolute;
  left: 103px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--c-accent-green), rgba(123, 47, 239, 0.5));
  opacity: 0.45;
}

.page-about .timeline-item {
  display: grid;
  grid-template-columns: 88px 32px minmax(0, 1fr);
  padding-bottom: 28px;
  position: relative;
}

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

.page-about .timeline-year {
  padding-top: 20px;
  text-align: right;
  font-family: var(--font-data);
  font-size: 17px;
  color: var(--c-accent-green);
}

.page-about .timeline-node {
  width: 10px;
  height: 10px;
  margin-top: 26px;
  border-radius: 50%;
  background: var(--c-accent-green);
  box-shadow: 0 0 0 3px rgba(198, 255, 61, 0.14);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-about .timeline-item:hover .timeline-node {
  transform: scale(1.2);
  box-shadow: 0 0 0 6px rgba(198, 255, 61, 0.22);
}

.page-about .timeline-card {
  margin-bottom: 6px;
  padding: 18px 20px;
  background: rgba(26, 27, 75, 0.55);
  border: var(--about-border-purple);
  border-radius: 6px;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.page-about .timeline-card:hover {
  transform: translateY(-3px);
  background: rgba(26, 27, 75, 0.82);
  border-color: rgba(198, 255, 61, 0.55);
}

.page-about .timeline-card h3 {
  margin: 0 0 6px;
  font-family: var(--font-heading);
  font-size: 19px;
  font-weight: 700;
  color: var(--c-text-light);
}

.page-about .timeline-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-text-muted);
}

.page-about .timeline-card--highlight {
  border-color: rgba(198, 255, 61, 0.45);
  background: rgba(198, 255, 61, 0.05);
}

.page-about .timeline-card--highlight h3 {
  color: var(--c-accent-green);
}

.page-about .team-intro p {
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-text-muted);
  max-width: 800px;
}

.page-about .team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 28px;
}

.page-about .team-card {
  position: relative;
  overflow: hidden;
  padding: 22px 20px;
  background: linear-gradient(180deg, rgba(26, 27, 75, 0.7), rgba(16, 20, 40, 0.85));
  border: var(--about-border-purple);
  border-radius: 8px;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.page-about .team-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--c-accent-purple);
  transition: background 0.3s var(--ease);
}

.page-about .team-card:hover {
  transform: translateY(-4px);
  border-color: var(--c-accent-green);
  background: linear-gradient(180deg, rgba(26, 27, 75, 0.88), rgba(16, 20, 40, 0.96));
}

.page-about .team-card:hover::before {
  background: var(--c-accent-green);
}

.page-about .team-card-no {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-data);
  font-size: 13px;
  color: var(--c-accent-green);
  letter-spacing: 0.08em;
}

.page-about .team-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-heading);
  font-size: 19px;
  color: var(--c-text-light);
}

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

.page-about .team-bottom {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 8px;
}

.page-about .certification-box {
  padding: 26px 22px;
  background: linear-gradient(135deg, rgba(94, 27, 58, 0.42), rgba(26, 27, 75, 0.72));
  border: 1px solid rgba(94, 27, 58, 0.65);
  border-radius: 8px;
}

.page-about .cert-head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.page-about .cert-shield {
  flex-shrink: 0;
  color: var(--c-accent-green);
  margin-top: 2px;
}

.page-about .cert-head h3 {
  margin: 0 0 6px;
  font-family: var(--font-heading);
  font-size: 18px;
  line-height: 1.35;
  color: var(--c-text-light);
}

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

.page-about .cert-list {
  display: grid;
  gap: 8px;
  margin: 20px 0 22px;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--c-text-muted);
}

.page-about .cert-list li::marker {
  color: var(--c-accent-green);
}

.page-about .btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
}

@media (min-width: 960px) {
  .page-about {
    padding: 40px 48px 88px;
  }

  .page-about .about-layout {
    display: grid;
    grid-template-columns: 214px minmax(0, 1fr);
    gap: 52px;
  }

  .page-about .about-rail {
    flex-direction: column;
    align-items: stretch;
    align-self: start;
    position: sticky;
    top: 120px;
    overflow: visible;
    border-bottom: 0;
    margin-bottom: 0;
    padding: 0;
  }

  .page-about .about-rail-note {
    margin: 0 0 12px;
    font-size: 12px;
  }

  .page-about .about-rail-link {
    padding: 12px 14px;
    font-size: 15px;
  }

  .page-about .about-rail-foot {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid rgba(123, 47, 239, 0.25);
    font-size: 13px;
    color: var(--c-text-muted);
  }

  .page-about .about-rail-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--c-accent-green);
    box-shadow: 0 0 0 3px rgba(198, 255, 61, 0.18);
  }

  .page-about .page-head {
    padding: 36px 32px 34px;
  }

  .page-about .about-paper {
    padding: 34px 32px 32px;
  }

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

  .page-about .coverage-wrap {
    grid-template-columns: minmax(0, 1fr) 360px;
    align-items: start;
  }

  .page-about .coverage-figure {
    position: sticky;
    top: 120px;
  }

  .page-about .team-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }

  .page-about .team-bottom {
    grid-template-columns: 360px minmax(0, 1fr);
    align-items: center;
    gap: 32px;
  }

  .page-about .timeline-card {
    padding: 20px 24px;
  }
}