.page-about {
  --about-line: rgba(10, 31, 68, .1);
  --about-gold-line: rgba(201, 160, 99, .42);
  --about-deep-blue: #0A1F44;
  --about-navy-mid: #12305B;
  --about-navy-light: #173560;
  --about-cream: #F4EFE6;
  position: relative;
}

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

.page-about .about-hero {
  position: relative;
  padding: calc(var(--header-height, 72px) + 40px) clamp(20px, 5vw, 72px) 64px;
  background:
    radial-gradient(circle at 86% 12%, rgba(201, 160, 99, .32) 0%, transparent 36%),
    linear-gradient(158deg, var(--about-deep-blue) 0%, var(--about-navy-mid) 48%, var(--about-navy-light) 82%, #1B3C68 100%);
  color: var(--about-cream);
  overflow: hidden;
}

.page-about .about-hero__inner {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
  align-items: end;
}

.page-about .about-hero .breadcrumb {
  font-family: var(--font-body);
  font-size: .8rem;
  letter-spacing: .06em;
  color: rgba(244, 239, 230, .72);
  margin-bottom: 32px;
}

.page-about .about-hero .breadcrumb a {
  color: rgba(244, 239, 230, .82);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.page-about .about-hero .breadcrumb__sep {
  margin: 0 8px;
  color: rgba(244, 239, 230, .4);
}

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

.page-about .about-hero__kicker {
  display: inline-block;
  margin: 0 0 18px;
  padding: 6px 14px;
  border: 1px solid rgba(201, 160, 99, .6);
  border-radius: 999px;
  font-size: .76rem;
  letter-spacing: .14em;
  color: var(--accent-gold);
}

.page-about .about-hero h1 {
  margin: 0 0 8px;
  font-family: var(--font-headline);
  font-size: clamp(2.75rem, 8vw, 5rem);
  line-height: 1.05;
  letter-spacing: -.02em;
  color: var(--about-cream);
}

.page-about .about-hero__lead {
  margin: 0;
  font-family: var(--font-headline);
  font-size: clamp(1.1rem, 2.6vw, 1.55rem);
  line-height: 1.4;
  color: var(--accent-gold);
}

.page-about .about-hero__desc {
  max-width: 36em;
  margin: 22px 0 0;
  font-size: 1rem;
  line-height: 1.75;
  color: rgba(244, 239, 230, .86);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.page-about .about-hero .btn-system--ghost {
  border-color: rgba(244, 239, 230, .6);
  color: var(--about-cream);
}

.page-about .about-hero .btn-system--ghost:hover {
  background: rgba(244, 239, 230, .12);
}

.page-about .about-hero__figure {
  max-width: 380px;
  margin: 8px auto 0;
  padding: 10px;
  background: rgba(244, 239, 230, .94);
  border: 1px solid rgba(201, 160, 99, .55);
  border-radius: var(--radius-md);
  transform: rotate(1.2deg);
}

.page-about .about-hero__cover {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: calc(var(--radius-md) - 4px);
}

.page-about .about-hero__figure figcaption {
  padding-top: 10px;
  text-align: center;
  font-size: .78rem;
  letter-spacing: .12em;
  color: var(--about-deep-blue);
}

.page-about .about-page-body {
  background: var(--cream-bg);
  padding: 16px 0 0;
}

.page-about .about-chapter__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px 48px;
  padding-top: 80px;
  padding-bottom: 80px;
}

.page-about .about-chapter__index {
  margin: 0;
  font-family: var(--font-headline);
  font-size: 1rem;
  letter-spacing: .14em;
  color: var(--accent-gold);
}

.page-about .about-chapter__content h2 {
  position: relative;
  margin: 0 0 18px;
  padding-bottom: 14px;
  font-family: var(--font-headline);
  font-size: clamp(1.75rem, 3.6vw, 2.6rem);
  line-height: 1.2;
  color: var(--brand-blue);
}

.page-about .about-chapter__content h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 64px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-gold), transparent);
}

.page-about .about-chapter__content > p {
  max-width: 58em;
  line-height: 1.75;
  color: var(--dark-brown);
}

.page-about .about-who__lead {
  font-family: var(--font-headline);
  font-size: 1.4rem;
  line-height: 1.45;
  color: var(--brand-blue);
  margin: 8px 0 20px;
}

.page-about .about-who__stats {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 36px;
}

.page-about .fact-item {
  background: var(--white-card);
  border: 1px solid var(--pale-gold);
  border-radius: var(--radius-sm);
  padding: 18px 10px;
  text-align: center;
}

.page-about .fact-item__num {
  display: block;
  font-family: var(--font-headline);
  font-size: 2.2rem;
  line-height: 1;
  color: var(--brand-blue);
}

.page-about .fact-item__label {
  display: block;
  margin-top: 8px;
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--steel-blue);
}

.page-about .about-who__note {
  margin-top: 28px;
  padding: 14px 18px;
  border-left: 3px solid var(--accent-gold);
  background: rgba(201, 160, 99, .08);
  font-size: .9rem;
  line-height: 1.7;
  color: var(--dark-brown);
}

.page-about .about-timeline-section__intro {
  margin-top: 8px;
}

.page-about .about-timeline {
  position: relative;
  margin-top: 48px;
  padding-left: 20px;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-gold) 0%, rgba(201, 160, 99, .4) 34%, rgba(201, 160, 99, .16) 100%);
}

.page-about .timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 16px;
  padding: 0 0 38px 28px;
}

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

.page-about .timeline-item__node {
  position: absolute;
  left: -1px;
  top: 6px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--brand-blue);
  border: 3px solid var(--accent-gold);
  box-shadow: 0 0 0 5px rgba(201, 160, 99, .16), 0 0 18px rgba(201, 160, 99, .5);
}

.page-about .timeline-item__year {
  padding-top: 2px;
  font-family: var(--font-headline);
  font-size: 1.9rem;
  line-height: 1;
  color: var(--brand-blue);
}

.page-about .timeline-item__card {
  background: var(--white-card);
  border: 1px solid rgba(10, 31, 68, .08);
  border-radius: var(--radius-md);
  padding: 20px 22px;
  box-shadow: 0 4px 18px rgba(10, 31, 68, .05);
}

.page-about .timeline-item__card h3 {
  margin: 0 0 8px;
  font-family: var(--font-headline);
  font-size: 1.25rem;
  line-height: 1.3;
  color: var(--brand-blue);
}

.page-about .timeline-item__card p {
  margin: 0;
  font-size: .94rem;
  line-height: 1.65;
  color: var(--dark-brown);
}

.page-about .about-timeline-section__note {
  margin-top: 28px;
  padding-top: 12px;
  border-top: 1px solid var(--pale-gold);
  font-size: .88rem;
  color: var(--steel-blue);
}

.page-about .capability-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
  margin-top: 28px;
}

.page-about .capability-layout__text > p {
  line-height: 1.75;
  color: var(--dark-brown);
}

.page-about .capability-list {
  list-style: none;
  margin: 24px 0 28px;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-about .capability-list__item {
  display: flex;
  gap: 16px;
  align-items: baseline;
  padding: 12px 16px;
  background: var(--white-card);
  border-left: 4px solid var(--accent-gold);
  border-radius: var(--radius-sm);
  font-size: .95rem;
  line-height: 1.55;
  color: var(--dark-brown);
}

.page-about .capability-list__marker {
  min-width: 88px;
  font-weight: 600;
  color: var(--brand-blue);
}

.page-about .capability-layout__figure {
  margin: 0;
  border: 1px solid var(--pale-gold);
  border-radius: var(--radius-md);
  overflow: hidden;
}

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

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

.page-about .stat-block {
  background: var(--brand-blue);
  border-top: 3px solid var(--accent-gold);
  border-radius: var(--radius-md);
  padding: 24px 16px;
  text-align: center;
  color: var(--cream-bg);
}

.page-about .stat-block__num {
  display: block;
  font-family: var(--font-headline);
  font-size: 2.6rem;
  line-height: 1;
  color: #F4EFE6;
}

.page-about .stat-block__plus {
  color: var(--accent-gold);
}

.page-about .stat-block__label {
  display: block;
  margin-top: 10px;
  font-size: .83rem;
  line-height: 1.4;
  letter-spacing: .03em;
  color: rgba(244, 239, 230, .82);
}

.page-about .ecosystem-map {
  margin-top: 36px;
  padding: 16px;
  background: var(--white-card);
  border: 1px solid var(--pale-gold);
  border-radius: var(--radius-md);
}

.page-about .ecosystem-map__figure {
  margin: 0;
  border-radius: calc(var(--radius-md) - 4px);
  overflow: hidden;
}

.page-about .ecosystem-map__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .ecosystem-map__legend {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  padding: 16px 4px 6px;
  font-size: .82rem;
  line-height: 1.5;
  color: var(--steel-blue);
}

.page-about .ecosystem-map__legend-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-about .legend-dot {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.page-about .legend-dot--content {
  background: var(--accent-gold);
}

.page-about .legend-dot--tech {
  background: var(--brand-blue);
}

.page-about .legend-dot--support {
  background: var(--red-orange);
}

.page-about .ecosystem-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.page-about .ecosystem-filter__btn {
  appearance: none;
  border: 1px solid var(--steel-blue);
  background: transparent;
  color: var(--dark-brown);
  padding: 9px 18px;
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: .88rem;
  cursor: pointer;
  transition:
    background var(--transition-fast),
    color var(--transition-fast),
    border-color var(--transition-fast);
}

.page-about .ecosystem-filter__btn:hover,
.page-about .ecosystem-filter__btn:focus-visible {
  border-color: var(--brand-blue);
  color: var(--brand-blue);
}

.page-about .ecosystem-filter__btn[data-active] {
  background: var(--brand-blue);
  border-color: var(--brand-blue);
  color: var(--cream-bg);
}

.page-about .ecosystem-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-about .ecosystem-list__item {
  padding: 16px 22px;
  background: var(--white-card);
  border: 1px solid rgba(10, 31, 68, .08);
  border-left: 4px solid var(--accent-gold);
  border-radius: var(--radius-sm);
  font-size: .94rem;
  line-height: 1.6;
  color: var(--dark-brown);
}

.page-about .certification-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  margin-top: 36px;
}

.page-about .certification-card {
  background: var(--white-card);
  border: 1px solid var(--pale-gold);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  box-shadow: var(--shadow-soft);
}

.page-about .certification-card h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-family: var(--font-headline);
  font-size: 1.3rem;
  line-height: 1.3;
  color: var(--brand-blue);
}

.page-about .certification-card h3::before {
  content: "";
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent-gold);
  box-shadow: 0 0 0 5px rgba(201, 160, 99, .15);
}

.page-about .certification-card p {
  margin: 0;
  font-size: .93rem;
  line-height: 1.7;
  color: var(--dark-brown);
}

.page-about .about-directory {
  margin-top: 16px;
  padding: 56px clamp(20px, 5vw, 72px) 88px;
  background: var(--brand-blue);
  color: var(--cream-bg);
}

.page-about .about-directory__inner {
  max-width: 1180px;
  margin: 0 auto;
}

.page-about .about-directory__kicker {
  margin: 0 0 8px;
  font-family: var(--font-headline);
  font-size: 1.2rem;
  color: var(--accent-gold);
}

.page-about .about-directory__text p {
  margin: 0;
  max-width: 46em;
  line-height: 1.7;
  color: rgba(244, 239, 230, .84);
}

.page-about .about-directory__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-about .about-directory .btn-system--primary {
  background: var(--accent-gold);
  border-color: var(--accent-gold);
  color: var(--brand-blue);
}

.page-about .about-directory .btn-system--ghost {
  border-color: rgba(244, 239, 230, .6);
  color: var(--cream-bg);
}

.page-about .about-directory .btn-system--ghost:hover {
  background: rgba(244, 239, 230, .12);
}

@media (min-width: 560px) {
  .page-about .about-who__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 700px) {
  .page-about .capability-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

  .page-about .certification-card:nth-child(2) {
    transform: translateY(24px);
  }
}

@media (min-width: 900px) {
  .page-about .about-hero {
    display: flex;
    align-items: center;
    min-height: 92vh;
    padding-top: calc(var(--header-height, 72px) + 56px);
  }

  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 72px;
  }

  .page-about .about-hero__figure {
    margin: 0 0 0 auto;
  }

  .page-about .about-chapter__inner {
    grid-template-columns: clamp(72px, 9vw, 140px) minmax(0, 1fr);
    padding-top: 104px;
    padding-bottom: 104px;
    border-bottom: 1px solid var(--about-line);
  }

  .page-about .capability-layout {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: center;
  }
}

@media (min-width: 1180px) {
  .page-about .about-rail {
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 30px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 50;
    gap: 18px;
  }

  .page-about .about-rail__dot {
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    border: 1px solid rgba(201, 160, 99, .55);
    border-radius: 50%;
    background: rgba(244, 239, 230, .92);
    color: var(--steel-blue);
    font-family: var(--font-body);
    font-size: .72rem;
    font-weight: 600;
    letter-spacing: .06em;
    transition:
      background var(--transition-base),
      color var(--transition-base),
      box-shadow var(--transition-base);
  }

  .page-about .about-rail__dot[data-active] {
    background: var(--brand-blue);
    border-color: var(--accent-gold);
    color: var(--cream-bg);
    box-shadow: 0 0 0 5px rgba(201, 160, 99, .16), 0 0 24px rgba(201, 160, 99, .32);
  }
}

@media (min-width: 860px) {
  .page-about .about-directory__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 36px;
  }

  .page-about .about-directory__links {
    margin-top: 0;
    flex-shrink: 0;
  }
}