.page-about {
  --about-bg-deep: #081829;
  --about-bg-raised: #0D2447;
  --about-gradient: linear-gradient(180deg, var(--color-primary-deep) 0%, var(--color-primary) 55%, #0D2447 100%);
  --about-gold-glow: rgba(245, 181, 0, 0.25);
  --about-pale-line: rgba(176, 196, 222, 0.16);
  background: var(--about-gradient);
}

.page-about .breadcrumbs {
  margin-top: 24px;
}

.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: 8px 0 40px;
  background: linear-gradient(135deg, #0A1E3C 0%, #081829 48%, #0D2447 100%);
}

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

.page-about .about-hero__inner::before {
  content: "";
  display: block;
  height: 6px;
  width: 100%;
  margin-bottom: 28px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--color-red) 0 20%, var(--color-gold) 20% 40%, var(--color-green) 40% 60%, var(--color-yellow) 60% 80%, var(--color-link) 80% 100%);
}

.page-about .about-hero .eyebrow {
  color: var(--color-gold);
}

.page-about .about-hero h1 {
  font-size: 27px;
  line-height: 1.35;
  margin: 10px 0 18px;
  letter-spacing: 0.01em;
}

.page-about .about-hero__lead {
  max-width: 720px;
  color: var(--color-muted);
  font-size: 15px;
  line-height: 1.9;
  margin-bottom: 18px;
}

.page-about .about-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.page-about .about-hero__cta {
  display: inline-flex;
  margin-top: 4px;
}

.page-about .about-hero__visual {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-top: 30px;
}

.page-about .about-hero__panel {
  flex: 1 1 50%;
  min-width: 0;
  padding: 20px 14px;
  border-radius: 14px;
  background: var(--color-glass);
  border: 1px solid var(--about-pale-line);
  clip-path: polygon(0 0, 100% 10%, 92% 100%, 0 90%);
}

.page-about .about-hero__panel--gold {
  background: linear-gradient(160deg, rgba(245, 181, 0, 0.34), rgba(255, 107, 53, 0.16));
  border-color: rgba(245, 181, 0, 0.45);
  transform: translateY(26px);
  margin-left: -8px;
  clip-path: polygon(8% 10%, 100% 0, 100% 90%, 0 100%);
}

.page-about .about-hero__panel .stat {
  font-size: 32px;
  line-height: 1.2;
  display: block;
}

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

.page-about .about-hero__topo {
  position: absolute;
  right: -40px;
  bottom: -30px;
  width: 62%;
  max-width: 540px;
  opacity: 0.65;
  pointer-events: none;
  z-index: 0;
}

.page-about .about-layout {
  padding: 8px 0 64px;
}

.page-about .about-toc {
  margin: 26px 0 6px;
}

.page-about .about-toc__title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 12px;
}

.page-about .about-toc__list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  list-style: none;
  padding-bottom: 6px;
}

.page-about .about-toc__item {
  flex: 0 0 auto;
}

.page-about .about-toc__link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--color-glass);
  border: 1px solid var(--about-pale-line);
  font-size: 13px;
  color: var(--color-white);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.page-about .about-toc__link:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

.page-about .about-toc__no {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-gold);
}

.page-about .about-toc__foot {
  margin-top: 16px;
}

.page-about .about-content {
  min-width: 0;
}

.page-about .about-section {
  padding: 28px 0;
  border-bottom: 1px solid var(--about-pale-line);
}

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

.page-about .about-section__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 14px;
}

.page-about .about-section__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-gold);
  letter-spacing: 0.05em;
}

.page-about .about-section__head h2 {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-white);
  margin: 0;
}

.page-about .about-section__intro {
  color: var(--color-muted);
  font-size: 14px;
  margin-bottom: 20px;
  line-height: 1.8;
  max-width: 640px;
}

.page-about .about-origin__grid {
  display: grid;
  gap: 16px;
}

.page-about .about-origin__main p {
  color: var(--color-muted);
  line-height: 1.85;
  font-size: 14px;
  margin-bottom: 12px;
}

.page-about .about-origin__aside {
  padding: 20px;
}

.page-about .about-origin__aside h3 {
  font-size: 16px;
  margin-bottom: 14px;
  color: var(--color-white);
}

.page-about .about-origin__pillars {
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-about .about-origin__pillars li {
  display: grid;
  gap: 4px;
  padding-top: 12px;
  border-top: 1px solid rgba(176, 196, 222, 0.14);
}

.page-about .about-origin__pillars strong {
  color: var(--color-white);
  font-weight: 700;
  font-size: 14px;
}

.page-about .about-origin__pillars span {
  color: var(--color-muted);
  font-size: 13px;
  line-height: 1.6;
}

.page-about .about-milestones__scroll {
  overflow-x: auto;
  padding-bottom: 16px;
  margin-bottom: 24px;
  scrollbar-width: thin;
  scrollbar-color: rgba(245, 181, 0, 0.4) transparent;
}

.page-about .about-milestones__scroll::-webkit-scrollbar {
  height: 6px;
}

.page-about .about-milestones__scroll::-webkit-scrollbar-track {
  background: rgba(176, 196, 222, 0.1);
  border-radius: 3px;
}

.page-about .about-milestones__scroll::-webkit-scrollbar-thumb {
  background: rgba(245, 181, 0, 0.4);
  border-radius: 3px;
}

.page-about .about-milestones__track {
  position: relative;
  display: flex;
  gap: 14px;
  min-width: max-content;
  padding-top: 56px;
}

.page-about .about-milestones__track::before {
  content: "";
  position: absolute;
  top: 30px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, rgba(245, 181, 0, 0.55) 0%, rgba(30, 144, 255, 0.4) 45%, rgba(176, 196, 222, 0.18) 100%);
}

.page-about .about-milestones__item {
  position: relative;
  flex: 0 0 256px;
}

.page-about .about-milestones__year {
  position: absolute;
  top: 0;
  left: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-gold);
  background: var(--color-primary);
  padding: 4px 8px;
  border-radius: 6px;
}

.page-about .about-milestones__node {
  position: absolute;
  top: 22px;
  left: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-gold);
  border: 2px solid var(--color-primary);
  box-shadow: 0 0 0 6px var(--about-gold-glow), 0 0 18px rgba(245, 181, 0, 0.45);
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

.page-about .about-milestones__item:hover .about-milestones__node {
  box-shadow: 0 0 0 10px rgba(245, 181, 0, 0.3), 0 0 32px rgba(245, 181, 0, 0.55);
  transform: scale(1.15);
}

.page-about .about-milestones__body {
  margin-top: 56px;
  padding: 16px 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(176, 196, 222, 0.16);
  border-radius: 12px;
  min-height: 132px;
  transition: border-color var(--transition-fast);
}

.page-about .about-milestones__item:hover .about-milestones__body {
  border-color: rgba(245, 181, 0, 0.4);
}

.page-about .about-milestones__body h3 {
  font-size: 15px;
  color: var(--color-white);
  margin-bottom: 6px;
}

.page-about .about-milestones__body p {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.65;
}

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

.page-about .about-milestones__figure figcaption,
.page-about .about-stats__figure figcaption,
.page-about .about-ecosystem__figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--color-muted);
}

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

.page-about .about-stats__card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(176, 196, 222, 0.16);
  border-radius: 14px;
  padding: 22px 16px;
  min-height: 116px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.page-about .about-stats__card:hover {
  border-color: rgba(245, 181, 0, 0.45);
  transform: translateY(-3px);
}

.page-about .about-stats__card .stat {
  font-size: 34px;
  line-height: 1.1;
  display: block;
}

.page-about .about-stats__label {
  margin-top: 6px;
  font-size: 13px;
  color: var(--color-muted);
}

.page-about .about-stats__figure {
  margin-top: 24px;
}

.page-about .about-certifications__grid {
  display: grid;
  gap: 14px;
}

.page-about .about-certifications__card {
  padding: 22px 18px;
  height: 100%;
}

.page-about .about-certifications__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 56px;
  height: 30px;
  padding: 0 10px;
  border-radius: 6px;
  background: var(--color-glass);
  border: 1px solid rgba(245, 181, 0, 0.3);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-gold);
  margin-bottom: 12px;
}

.page-about .about-certifications__card h3 {
  font-size: 15px;
  color: var(--color-white);
  margin-bottom: 8px;
}

.page-about .about-certifications__card p {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.7;
}

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

.page-about .about-ecosystem__content > p {
  color: var(--color-muted);
  line-height: 1.85;
  font-size: 14px;
  margin-bottom: 14px;
}

.page-about .about-ecosystem__list,
.page-about .about-ecosystem__honor ul {
  list-style: none;
  margin: 16px 0;
  display: grid;
  gap: 10px;
}

.page-about .about-ecosystem__list li,
.page-about .about-ecosystem__honor li {
  position: relative;
  padding-left: 22px;
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.75;
}

.page-about .about-ecosystem__list li::before,
.page-about .about-ecosystem__honor li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 10px;
  height: 2px;
  background: var(--color-gold);
  border-radius: 2px;
  box-shadow: 4px 0 0 rgba(255, 107, 53, 0.5);
}

.page-about .about-ecosystem__honor {
  margin-top: 20px;
  padding: 18px 18px 4px;
  background: var(--color-glass);
  border: 1px solid rgba(245, 181, 0, 0.2);
  border-radius: 14px;
}

.page-about .about-ecosystem__honor h3 {
  font-size: 15px;
  color: var(--color-white);
  margin-bottom: 10px;
}

.page-about .about-ecosystem__figure {
  margin-top: 4px;
}

.page-about .about-milestones__figure img,
.page-about .about-stats__figure img,
.page-about .about-ecosystem__figure img {
  width: 100%;
  height: auto;
  display: block;
}

@media (min-width: 640px) {
  .page-about .about-hero h1 {
    font-size: 36px;
    line-height: 1.25;
  }

  .page-about .about-stats__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .page-about .about-certifications__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
}

@media (min-width: 1024px) {
  .page-about .about-hero {
    padding: 12px 0 72px;
  }

  .page-about .about-hero__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 48px;
  }

  .page-about .about-hero h1 {
    font-size: 44px;
    line-height: 1.2;
  }

  .page-about .about-hero__lead {
    font-size: 16px;
  }

  .page-about .about-hero__visual {
    flex: 0 0 340px;
    margin-top: 0;
  }

  .page-about .about-hero__panel {
    padding: 28px 20px;
  }

  .page-about .about-hero__panel .stat {
    font-size: 42px;
  }

  .page-about .about-layout {
    display: flex;
    gap: 48px;
    align-items: flex-start;
  }

  .page-about .about-toc {
    flex: 0 0 210px;
    position: sticky;
    top: calc(var(--header-h) + 32px);
    margin: 0;
  }

  .page-about .about-toc__list {
    flex-direction: column;
    gap: 4px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-about .about-toc__link {
    border-radius: 10px;
    padding: 9px 12px;
    white-space: normal;
  }

  .page-about .about-content {
    flex: 1 1 auto;
    min-width: 0;
  }

  .page-about .about-section {
    padding: 40px 0;
  }

  .page-about .about-section__head h2 {
    font-size: 26px;
  }

  .page-about .about-origin__grid {
    grid-template-columns: 2fr 1fr;
    align-items: start;
    gap: 24px;
  }

  .page-about .about-ecosystem__layout {
    grid-template-columns: 3fr 2fr;
    align-items: start;
    gap: 32px;
  }
}