.page-about {
  position: relative;
  overflow: hidden;
  --about-line: rgba(232, 240, 254, 0.14);
  --about-soft: rgba(232, 240, 254, 0.62);
  --about-panel: rgba(16, 42, 76, 0.4);
  color: var(--ice);
}

.page-about::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 680px;
  background:
    radial-gradient(ellipse 640px 420px at 8% 6%, rgba(45, 27, 78, 0.5), transparent 62%),
    radial-gradient(ellipse 760px 520px at 96% 2%, rgba(26, 75, 140, 0.38), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

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

/* ---------- breadcrumbs ---------- */
.page-about .breadcrumbs {
  margin: 28px 0 40px;
  font-size: var(--fs-caption);
  color: var(--snow);
}

.page-about .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-about .breadcrumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(192, 200, 212, 0.35);
}

.page-about .breadcrumbs a {
  color: var(--snow);
  text-decoration-color: rgba(192, 200, 212, 0.3);
  transition: color 0.3s var(--ease);
}

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

.page-about .breadcrumbs li[aria-current="page"] {
  color: var(--ice);
}

/* ---------- hero ---------- */
.page-about .about-hero {
  padding: 18px 0 52px;
  border-bottom: 1px solid var(--about-line);
  margin-bottom: 44px;
}

.page-about .about-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

.page-about .about-hero-eyebrow {
  font-size: 13px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 700;
  margin-bottom: 16px;
}

.page-about .about-hero h1 {
  font-family: var(--font-title);
  font-size: var(--fs-h1);
  line-height: 1.14;
  margin: 0 0 20px;
  color: var(--ice);
  letter-spacing: 0.01em;
}

.page-about .about-brand-name {
  color: var(--gold);
}

.page-about .about-brand-sep {
  color: var(--gold);
  opacity: 0.55;
  margin: 0 0.08em;
}

.page-about .about-hero-desc {
  font-size: var(--fs-body);
  line-height: 1.78;
  color: var(--snow);
  max-width: 680px;
}

.page-about .about-hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.page-about .about-stat-item {
  border-left: 2px solid var(--gold);
  padding-left: 14px;
}

.page-about .about-stat-value {
  display: block;
  font-family: var(--font-title);
  font-size: clamp(24px, 3.2vw, 34px);
  color: var(--ice);
  line-height: 1.1;
}

.page-about .about-stat-label {
  display: block;
  font-size: var(--fs-caption);
  color: var(--snow);
  margin-top: 6px;
  line-height: 1.5;
}

/* ---------- toc ---------- */
.page-about .about-toc {
  background: var(--about-panel);
  border: 1px solid var(--about-line);
  border-radius: var(--r-md);
  padding: 24px 26px;
  margin-bottom: 72px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  backdrop-filter: blur(8px);
}

.page-about .about-toc-title {
  font-family: var(--font-title);
  font-size: 16px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--gold);
  margin: 0;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--about-line);
}

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

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

.page-about .about-toc-item {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px dashed rgba(232, 240, 254, 0.1);
}

.page-about .about-toc-item:last-child {
  border-bottom: none;
}

.page-about .about-toc-num {
  font-family: var(--font-title);
  color: var(--gold-dark);
  font-size: 13px;
  letter-spacing: 0.05em;
}

.page-about .about-toc-item a {
  color: var(--ice);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  transition: color 0.3s var(--ease);
}

.page-about .about-toc-item a:hover {
  color: var(--gold);
}

.page-about .about-toc-more {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  align-items: center;
  padding-top: 4px;
  border-top: 1px solid var(--about-line);
}

.page-about .about-toc-more-label {
  font-size: var(--fs-caption);
  color: var(--snow);
  margin-right: 2px;
  letter-spacing: 0.06em;
}

.page-about .about-toc-more a {
  font-size: 13px;
  color: var(--cyan);
  text-decoration-color: rgba(0, 194, 199, 0.35);
  transition: color 0.3s var(--ease);
}

.page-about .about-toc-more a:hover {
  color: var(--ice);
}

/* ---------- story ---------- */
.page-about .about-section {
  margin-bottom: 80px;
}

.page-about .about-story-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  align-items: start;
}

.page-about .about-story-main .section-kicker {
  margin-bottom: 12px;
}

.page-about .about-story-main h2 {
  font-family: var(--font-title);
  font-size: var(--fs-h2);
  line-height: 1.2;
  color: var(--ice);
  margin-bottom: 18px;
}

.page-about .about-prose {
  color: var(--snow);
}

.page-about .about-prose p {
  margin-bottom: 16px;
  line-height: 1.78;
}

.page-about .about-prose a {
  color: var(--cyan);
  text-decoration-color: rgba(0, 194, 199, 0.35);
  transition: color 0.3s var(--ease);
}

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

.page-about .about-story-visual {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-about .about-map-card {
  margin: 0;
  position: relative;
}

.page-about .about-map-frame {
  position: relative;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--about-line);
  background: var(--bg-nebula);
}

.page-about .about-map-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}

.page-about .about-map-card:hover .about-map-frame img {
  transform: scale(1.02);
}

.page-about .about-map-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(11, 26, 58, 0.82);
  border: 1px solid rgba(245, 183, 0, 0.5);
  color: var(--gold);
  font-size: 12px;
  letter-spacing: 0.06em;
  padding: 6px 12px;
  border-radius: 999px;
  backdrop-filter: blur(6px);
}

.page-about .about-map-card figcaption {
  font-size: 13px;
  color: var(--snow);
  margin-top: 10px;
  line-height: 1.55;
}

.page-about .about-story-note {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: var(--about-panel);
  border: 1px solid var(--about-line);
  padding: 16px 18px;
  border-radius: var(--r-sm);
  backdrop-filter: blur(8px);
}

.page-about .about-note-label {
  flex-shrink: 0;
  color: var(--gold);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding-top: 1px;
}

.page-about .about-story-note p {
  font-size: 14px;
  color: var(--snow);
  line-height: 1.65;
  margin: 0;
}

/* ---------- capability ---------- */
.page-about .about-capability .section-head {
  margin-bottom: 32px;
}

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

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

.page-about .capability-list {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px dashed rgba(232, 240, 254, 0.12);
}

.page-about .capability-list:last-child {
  border-bottom: none;
}

.page-about .capability-num {
  font-family: var(--font-title);
  color: var(--gold);
  font-size: 15px;
  line-height: 1.5;
  letter-spacing: 0.04em;
}

.page-about .capability-list h3 {
  font-size: var(--fs-h3);
  color: var(--ice);
  margin-bottom: 6px;
  font-family: var(--font-title);
  line-height: 1.3;
}

.page-about .capability-list p {
  color: var(--snow);
  font-size: 15px;
  line-height: 1.68;
  margin: 0;
}

.page-about .about-capability-chart {
  background: var(--about-panel);
  border: 1px solid var(--about-line);
  border-radius: var(--r-md);
  padding: 20px;
  margin: 0;
  backdrop-filter: blur(8px);
}

.page-about .about-capability-chart .img-frame {
  border-radius: var(--r-sm);
  overflow: hidden;
}

.page-about .about-capability-chart img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .about-capability-chart figcaption {
  font-size: 13px;
  color: var(--snow);
  margin-top: 12px;
  line-height: 1.55;
}

/* ---------- timeline ---------- */
.page-about .about-timeline-section .section-head {
  margin-bottom: 40px;
}

.page-about .about-timeline {
  position: relative;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(to bottom, rgba(245, 183, 0, 0.55), rgba(26, 75, 140, 0.25));
}

.page-about .timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 14px 16px;
  padding-bottom: 38px;
}

.page-about .timeline-item:last-child {
  padding-bottom: 4px;
}

.page-about .timeline-year {
  grid-column: 2;
  font-family: var(--font-title);
  font-size: 15px;
  color: var(--gold);
  letter-spacing: 0.04em;
  line-height: 1.4;
}

.page-about .timeline-dot {
  grid-column: 1;
  grid-row: 1 / span 2;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 2px;
}

.page-about .timeline-dot svg {
  display: block;
}

.page-about .timeline-content {
  grid-column: 2;
}

.page-about .timeline-content h3 {
  font-size: var(--fs-h3);
  color: var(--ice);
  margin-bottom: 8px;
  font-family: var(--font-title);
  line-height: 1.3;
}

.page-about .timeline-content p {
  color: var(--snow);
  font-size: 15px;
  line-height: 1.68;
  max-width: 720px;
  margin: 0;
}

/* ---------- credentials ---------- */
.page-about .about-credentials .section-head {
  margin-bottom: 32px;
}

.page-about .about-credential-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin: 0 0 44px;
}

.page-about .credential-card {
  background: var(--about-panel);
  border: 1px solid var(--about-line);
  border-radius: var(--r-md);
  padding: 22px;
  backdrop-filter: blur(8px);
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease);
}

.page-about .credential-card:hover {
  transform: translateY(-4px);
  border-color: rgba(245, 183, 0, 0.4);
}

.page-about .credential-card svg {
  display: block;
  margin-bottom: 16px;
}

.page-about .credential-card h3 {
  font-family: var(--font-title);
  font-size: var(--fs-h3);
  color: var(--gold);
  margin-bottom: 10px;
  line-height: 1.3;
}

.page-about .credential-card p {
  font-size: 15px;
  color: var(--snow);
  line-height: 1.65;
  margin: 0;
}

.page-about .about-credential-bottom {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: center;
  padding-top: 8px;
}

.page-about .about-credential-figure .img-frame {
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--about-line);
  background: var(--bg-nebula);
}

.page-about .about-credential-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .about-credential-note p {
  font-size: 16px;
  color: var(--ice);
  line-height: 1.78;
  margin-bottom: 20px;
  max-width: 560px;
}

.page-about .about-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- desktop ---------- */
@media (min-width: 768px) {

  .page-about .about-hero-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(220px, 0.7fr);
    gap: 48px;
    align-items: end;
  }

  .page-about .about-hero-stats {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .page-about .about-toc {
    grid-template-columns: 180px minmax(0, 1fr);
    gap: 0;
    padding: 28px 32px;
  }

  .page-about .about-toc-title {
    padding-bottom: 0;
    border-bottom: none;
  }

  .page-about .about-toc-body {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 24px;
    align-items: start;
  }

  .page-about .about-toc-more {
    border-top: none;
    padding-top: 0;
    max-width: 240px;
    justify-content: flex-end;
  }

  .page-about .about-toc-more-label {
    display: block;
    width: 100%;
    margin-bottom: 4px;
  }

  .page-about .about-toc-more a {
    margin-left: 0;
  }

  .page-about .about-story-grid {
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 44px;
  }

  .page-about .about-capability-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 40px;
  }

  .page-about .about-timeline::before {
    left: 140px;
  }

  .page-about .timeline-item {
    grid-template-columns: 120px 40px minmax(0, 1fr);
    gap: 0;
    align-items: start;
  }

  .page-about .timeline-year {
    grid-column: 1;
    text-align: right;
    padding-right: 24px;
    padding-top: 5px;
  }

  .page-about .timeline-dot {
    grid-column: 2;
    grid-row: 1;
    justify-content: center;
    padding-top: 6px;
  }

  .page-about .timeline-content {
    grid-column: 3;
    padding-bottom: 4px;
  }

  .page-about .about-credential-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-about .about-credential-bottom {
    grid-template-columns: 320px minmax(0, 1fr);
    gap: 44px;
  }
}

@media (min-width: 1080px) {

  .page-about .about-hero h1 {
    font-size: var(--fs-hero);
  }

  .page-about .about-story-grid {
    grid-template-columns: minmax(0, 1.2fr) 420px;
  }

  .page-about .about-credential-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
  }

  .page-about .about-credential-bottom {
    grid-template-columns: 360px minmax(0, 1fr);
  }
}