.page-about {
  --about-line-gold: rgba(212, 165, 63, 0.22);
  --about-ghost-color: rgba(212, 165, 63, 0.07);
  --about-ghost-stroke: rgba(212, 165, 63, 0.24);
  position: relative;
  scroll-behavior: smooth;
  overflow-x: clip;
  background-color: var(--color-navy-900);
  color: var(--color-off-white);
  font-family: var(--font-body);
}

@media (prefers-reduced-motion: reduce) {
  .page-about {
    scroll-behavior: auto;
  }
}

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

.page-about img {
  max-width: 100%;
  height: auto;
}

.page-about h1,
.page-about h2,
.page-about h3 {
  font-family: var(--font-heading);
}

.page-about .about-grid-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(168, 200, 232, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(168, 200, 232, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.65), transparent 72%);
}

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

.page-about .breadcrumb {
  padding-top: 24px;
  font-size: 13px;
  color: var(--color-steel-gray);
}

.page-about .breadcrumb a {
  color: var(--color-steel-gray);
  text-decoration: none;
  transition: color 125ms ease;
}

.page-about .breadcrumb a:hover {
  color: var(--color-gold-300);
}

.page-about .breadcrumb-sep {
  margin: 0 8px;
  color: var(--color-gold-500);
}

.page-about .about-hero {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 44px 0 40px;
  border-bottom: 1px solid var(--about-line-gold);
  isolation: isolate;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(115deg, transparent 0%, transparent 42%, rgba(212, 165, 63, 0.07) 42%, rgba(212, 165, 63, 0.07) 44%, transparent 44%),
    linear-gradient(115deg, transparent 0%, transparent 70%, rgba(212, 165, 63, 0.05) 70%, rgba(212, 165, 63, 0.05) 72%, transparent 72%);
  background-size: 100% 100%;
  background-repeat: no-repeat;
  pointer-events: none;
}

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

.page-about .about-hero h1 {
  margin: 14px 0 16px;
  max-width: 720px;
  font-size: 34px;
  font-weight: 900;
  line-height: 1.28;
  letter-spacing: 0.01em;
  color: var(--color-off-white);
}

.page-about .about-hero-lead {
  max-width: 560px;
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-ice-blue);
}

.page-about .about-hero-ghost {
  position: absolute;
  right: 4px;
  bottom: 8px;
  z-index: 0;
  font-family: var(--font-data);
  font-size: 92px;
  font-weight: 900;
  line-height: 1;
  color: var(--about-ghost-color);
  -webkit-text-stroke: 2px var(--about-ghost-stroke);
  user-select: none;
  pointer-events: none;
}

.page-about .about-directory {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 20px 0 10px;
  border-bottom: 1px solid rgba(168, 200, 232, 0.12);
}

.page-about .directory-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border: 1px solid rgba(212, 165, 63, 0.28);
  background: rgba(20, 45, 76, 0.55);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-off-white);
  text-decoration: none;
  transition: border-color 125ms ease, background-color 125ms ease, color 125ms ease;
}

.page-about .directory-link:hover {
  border-color: var(--color-gold-500);
  background: rgba(212, 165, 63, 0.14);
  color: var(--color-gold-300);
}

.page-about .directory-index {
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--color-gold-500);
}

.page-about .about-main-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  padding: 48px 0 24px;
}

.page-about .section-heading {
  margin-bottom: 28px;
}

.page-about .section-heading .section-no {
  display: inline-block;
  font-family: var(--font-data);
  font-size: 14px;
  font-weight: 700;
  color: var(--color-gold-500);
  border-bottom: 2px solid var(--color-gold-500);
  padding-bottom: 4px;
  margin-bottom: 12px;
}

.page-about .section-heading h2 {
  margin: 0;
  font-size: 28px;
  font-weight: 800;
  line-height: 1.25;
  color: var(--color-off-white);
}

.page-about .section-desc {
  margin: 10px 0 0;
  max-width: 420px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-steel-gray);
}

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

.page-about .timeline-list::before {
  content: "";
  position: absolute;
  left: 85px;
  top: 6px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(180deg, var(--color-gold-500) 0%, rgba(212, 165, 63, 0.12) 100%);
}

.page-about .timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 60px 24px 1fr;
  gap: 14px;
  padding-bottom: 32px;
  transition: transform 125ms ease;
}

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

.page-about .timeline-year {
  font-family: var(--font-data);
  font-size: 32px;
  font-weight: 900;
  line-height: 1.1;
  color: rgba(212, 165, 63, 0.85);
  text-align: right;
  transition: color 125ms ease, transform 125ms ease;
}

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

.page-about .timeline-marker span {
  display: block;
  width: 12px;
  height: 12px;
  margin-top: 6px;
  border-radius: 50%;
  background: var(--color-navy-900);
  border: 3px solid var(--color-gold-500);
  box-shadow: 0 0 0 4px rgba(212, 165, 63, 0.14);
  transition: transform 125ms ease, background-color 125ms ease;
}

.page-about .timeline-card {
  background: rgba(20, 45, 76, 0.46);
  border-left: 3px solid rgba(212, 165, 63, 0.55);
  padding: 14px 16px;
  transition: border-color 125ms ease, background-color 125ms ease;
}

.page-about .timeline-card h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--color-off-white);
}

.page-about .timeline-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--color-ice-blue);
}

.page-about .timeline-item:hover .timeline-year {
  color: var(--color-gold-300);
  transform: translateX(-2px);
}

.page-about .timeline-item:hover .timeline-marker span {
  transform: scale(1.24);
}

.page-about .timeline-item:hover .timeline-card {
  border-color: var(--color-gold-500);
  background-color: rgba(20, 45, 76, 0.78);
}

.page-about .about-timeline-figure {
  margin: 28px 0 0;
  border-top: 1px solid rgba(168, 200, 232, 0.12);
  padding-top: 20px;
}

.page-about .about-timeline-figure img {
  border: 1px solid rgba(212, 165, 63, 0.2);
}

.page-about figcaption {
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--color-steel-gray);
  margin-top: 10px;
  padding-left: 12px;
  border-left: 2px solid var(--color-gold-500);
}

.page-about .about-stats-section {
  background: rgba(20, 45, 76, 0.5);
  border-top: 3px solid var(--color-gold-500);
  padding: 24px 0 0;
}

.page-about .stats-board {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  border: 2px solid rgba(212, 165, 63, 0.3);
  background: rgba(11, 31, 58, 0.5);
  padding: 16px;
  box-shadow: var(--shadow-hard);
}

.page-about .stat-item {
  position: relative;
  padding: 14px 12px 16px;
  background: rgba(20, 45, 76, 0.72);
  border-left: 3px solid rgba(212, 165, 63, 0.35);
}

.page-about .stat-item-lg {
  grid-column: 1 / -1;
  border-left-color: var(--color-gold-500);
}

.page-about .stat-num {
  display: block;
  font-family: var(--font-data);
  font-size: 36px;
  font-weight: 800;
  line-height: 1;
  color: var(--color-gold-500);
}

.page-about .stat-item-lg .stat-num {
  font-size: 52px;
}

.page-about .stat-plus {
  font-size: 0.62em;
  vertical-align: super;
  margin-left: 2px;
  color: var(--color-gold-300);
}

.page-about .stat-unit {
  font-size: 0.52em;
  vertical-align: baseline;
  margin-left: 2px;
  color: var(--color-gold-300);
}

.page-about .stat-label {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--color-ice-blue);
}

.page-about .about-stats-section .btn {
  margin-top: 20px;
}

.page-about .about-quality-section {
  padding: 40px 0 32px;
  border-top: 1px solid rgba(212, 165, 63, 0.16);
  border-bottom: 1px solid rgba(212, 165, 63, 0.16);
}

.page-about .quality-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 24px;
}

.page-about .quality-sources,
.page-about .quality-flow {
  background: rgba(20, 45, 76, 0.5);
  border: 1px solid rgba(168, 200, 232, 0.12);
  padding: 18px 16px;
}

.page-about .quality-step-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  font-size: 16px;
  font-weight: 700;
  color: var(--color-off-white);
}

.page-about .quality-step-title::before {
  content: "";
  width: 18px;
  height: 2px;
  flex: 0 0 18px;
  background: var(--color-gold-500);
}

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

.page-about .quality-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 8px 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-ice-blue);
  border-bottom: 1px dashed rgba(168, 200, 232, 0.1);
}

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

.page-about .quality-tick {
  display: flex;
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(54, 201, 158, 0.14);
  color: var(--color-data-green);
  font-size: 11px;
  font-weight: 700;
  margin-top: 2px;
}

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

.page-about .quality-steps li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px dashed rgba(168, 200, 232, 0.1);
}

.page-about .quality-steps li:last-child {
  border-bottom: none;
}

.page-about .step-num {
  min-width: 28px;
  font-family: var(--font-data);
  font-size: 14px;
  font-weight: 700;
  color: var(--color-gold-500);
}

.page-about .step-text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-ice-blue);
}

.page-about .about-quality-figure {
  margin: 24px 0 0;
}

.page-about .about-quality-figure img {
  border: 1px solid rgba(212, 165, 63, 0.2);
}

.page-about .about-footer-cta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding: 40px 0 56px;
}

.page-about .cta-content h2 {
  margin: 0 0 12px;
  font-size: 26px;
  font-weight: 800;
  color: var(--color-off-white);
}

.page-about .cta-content p {
  max-width: 460px;
  margin: 0 0 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-ice-blue);
}

.page-about .cta-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .cta-visual {
  margin: 0;
}

.page-about .cta-visual img {
  width: 100%;
  height: auto;
  border: 2px solid rgba(212, 165, 63, 0.24);
  filter: saturate(0.85) contrast(1.05);
}

.page-about .btn {
  display: inline-block;
  padding: 13px 24px;
  border: 2px solid var(--color-gold-500);
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 125ms ease, color 125ms ease, transform 125ms ease, box-shadow 125ms ease;
}

.page-about .btn-primary {
  background: var(--color-gold-500);
  color: var(--color-navy-900);
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.3);
}

.page-about .btn-primary:hover {
  background: var(--color-gold-300);
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 rgba(0, 0, 0, 0.3);
}

.page-about .btn-ghost {
  background: transparent;
  color: var(--color-gold-300);
}

.page-about .btn-ghost:hover {
  background: rgba(212, 165, 63, 0.12);
  color: var(--color-gold-300);
  transform: translate(2px, 2px);
}

@media (min-width: 980px) {
  .page-about .about-hero {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }

  .page-about .about-hero h1 {
    font-size: 44px;
  }

  .page-about .about-hero-ghost {
    right: 20px;
    bottom: 0;
    font-size: 190px;
  }

  .page-about .about-directory {
    position: sticky;
    top: var(--header-height);
    z-index: 20;
    padding: 12px 0;
    background: rgba(11, 31, 58, 0.92);
    backdrop-filter: blur(8px);
  }

  .page-about .about-main-grid {
    grid-template-columns: minmax(0, 2.05fr) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-about .timeline-list::before {
    left: 111px;
  }

  .page-about .timeline-item {
    grid-template-columns: 82px 24px 1fr;
    gap: 18px;
  }

  .page-about .timeline-year {
    font-size: 38px;
  }

  .page-about .stats-board {
    padding: 20px;
    gap: 14px;
  }

  .page-about .stat-item {
    padding: 16px 14px 18px;
  }

  .page-about .stat-num {
    font-size: 40px;
  }

  .page-about .stat-item-lg .stat-num {
    font-size: 58px;
  }

  .page-about .quality-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .page-about .about-footer-cta {
    grid-template-columns: 1fr 300px;
    align-items: center;
    gap: 44px;
  }
}

@media (min-width: 1200px) {
  .page-about .about-hero h1 {
    font-size: 52px;
  }

  .page-about .about-hero-lead {
    font-size: 17px;
  }
}