.page-about {
  --about-blue: #1B5E8A;
  --about-blue-soft: #DCEAF2;
  --about-blue-light: #2E8BB0;
  --about-orange: #E85C0A;
  --about-gold: #C9972C;
  --about-line: rgba(138, 155, 168, 0.35);
  --about-cream: #F7F3EB;
  background: var(--color-bg);
  color: var(--color-text);
  overflow-x: clip;
}

.page-about .about-hero {
  position: relative;
  padding: 4.5rem 0 2.75rem;
  background:
    radial-gradient(1100px 420px at 88% -8%, var(--color-primary-soft) 0%, transparent 62%),
    linear-gradient(180deg, var(--color-bg) 0%, var(--color-primary-soft) 100%);
}

.page-about .about-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  font-family: var(--font-body);
  font-size: var(--fs-caption);
  color: var(--color-text-muted);
  margin-bottom: 2.5rem;
}

.page-about .about-breadcrumb a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease;
}

.page-about .about-breadcrumb a:hover {
  border-color: var(--color-primary);
}

.page-about .about-breadcrumb span[aria-current="page"] {
  color: var(--color-text-muted);
}

.page-about .about-hero-grid {
  display: grid;
  gap: 2.5rem;
}

.page-about .about-hero-copy {
  max-width: 640px;
}

.page-about .about-hero-copy h1 {
  margin: 1rem 0 1.25rem;
  font-family: var(--font-heading);
  font-size: var(--fs-h1);
  line-height: var(--lh-heading);
  letter-spacing: 0.01em;
  color: var(--color-text);
}

.page-about .about-hero-lead {
  font-family: var(--font-body);
  font-size: 1.125rem;
  line-height: var(--lh-body);
  color: var(--color-text-muted);
  margin: 0 0 1.75rem;
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
}

.page-about .about-hero-stats {
  list-style: none;
  margin: 2.5rem 0 0;
  padding: 1.5rem 0 0;
  border-top: 1px solid var(--color-border-soft);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem 1.5rem;
}

.page-about .about-hero-stats li {
  display: flex;
  flex-direction: column;
}

.page-about .about-hero-stats strong {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  line-height: 1.25;
  color: var(--color-primary);
}

.page-about .about-hero-stats span {
  font-family: var(--font-body);
  font-size: var(--fs-caption);
  color: var(--color-text-muted);
}

.page-about .about-hero-visual {
  position: relative;
  width: 100%;
  max-width: 560px;
  aspect-ratio: 560 / 620;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-float);
  border: 1px solid var(--color-border-soft);
}

.page-about .about-hero-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.page-about .about-toc {
  border-top: 1px solid var(--color-border-soft);
  border-bottom: 1px solid var(--color-border-soft);
  background: rgba(255, 255, 255, 0.72);
}

.page-about .about-toc ol {
  list-style: none;
  margin: 0;
  padding: 0.625rem 0;
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-about .about-toc ol::-webkit-scrollbar {
  display: none;
}

.page-about .about-toc a {
  display: inline-block;
  white-space: nowrap;
  padding: 0.5625rem 1rem;
  border: 1px solid var(--color-border-soft);
  border-radius: 999px;
  color: var(--color-text-muted);
  font-family: var(--font-body);
  font-size: var(--fs-caption);
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.page-about .about-toc a:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
}

.page-about .about-section {
  padding: 4.5rem 0;
}

.page-about .about-origin {
  background: linear-gradient(180deg, var(--color-bg) 0%, #FFFFFF 70%, var(--color-primary-soft) 160%);
}

.page-about .about-origin-grid {
  display: grid;
  gap: 2rem;
  align-items: start;
}

.page-about .about-origin-copy .prose p {
  margin-top: 1rem;
}

.page-about .about-origin-figure {
  margin: 0;
}

.page-about .about-origin-img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--color-border-soft);
}

.page-about .about-origin-figure figcaption {
  margin-top: 0.75rem;
  font-family: var(--font-body);
  font-size: var(--fs-caption);
  color: var(--color-text-muted);
  border-left: 2px solid var(--color-gold);
  padding-left: 0.75rem;
}

.page-about .about-milestones {
  background: linear-gradient(180deg, var(--color-primary-soft) 0%, var(--color-bg) 100%);
}

.page-about .about-milestones .section-title,
.page-about .about-milestones .section-lead {
  max-width: 640px;
}

.page-about .about-milestones .section-title {
  margin-top: 0.75rem;
}

.page-about .about-milestones .section-lead {
  margin-bottom: 1.5rem;
}

.page-about .about-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin: 0 0 2rem;
  padding: 0.875rem 1.125rem;
  background: rgba(255, 255, 255, 0.55);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: var(--fs-caption);
  color: var(--color-text-muted);
  max-width: 520px;
}

.page-about .about-legend span {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.page-about .about-legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(201, 151, 44, 0.2);
}

.page-about .about-legend-line {
  width: 18px;
  height: 2px;
  background: var(--color-border);
}

.page-about .about-legend-tag {
  width: 14px;
  height: 14px;
  border-radius: 4px;
  background: var(--color-primary-soft);
  border: 1px solid var(--color-primary);
}

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

.page-about .about-timeline-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.page-about .about-timeline-item {
  position: relative;
  padding-left: 3rem;
}

.page-about .about-timeline-item::before {
  content: "";
  position: absolute;
  left: 1rem;
  top: 0.75rem;
  bottom: -1.25rem;
  width: 2px;
  background: var(--color-border);
}

.page-about .about-timeline-item:last-child::before {
  display: none;
}

.page-about .about-timeline-dot {
  position: absolute;
  left: 0.375rem;
  top: 0.625rem;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 50%;
  background: var(--color-gold);
  box-shadow: 0 0 0 4px rgba(201, 151, 44, 0.18);
  z-index: 1;
}

.page-about .about-timeline-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-soft);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-soft);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

@media (hover: hover) {
  .page-about .about-timeline-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-float);
    border-color: rgba(27, 94, 138, 0.4);
  }
}

.page-about .about-timeline-card h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  line-height: var(--lh-heading);
  color: var(--color-primary);
}

.page-about .about-timeline-card p {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--color-text-muted);
}

.page-about .about-timeline-phase {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: var(--fs-caption);
  letter-spacing: 0.08em;
  color: var(--color-gold);
  border: 1px solid rgba(201, 151, 44, 0.4);
  background: rgba(201, 151, 44, 0.08);
  border-radius: 999px;
  padding: 0.25rem 0.75rem;
  margin-bottom: 0.75rem;
}

@supports (animation-timeline: view()) {
  @media (prefers-reduced-motion: no-preference) {
    .page-about .about-timeline-item {
      opacity: 0.02;
      transform: translateY(24px);
      animation: about-tline-in linear both;
      animation-timeline: view();
      animation-range: entry 5% entry 65%;
    }
  }
}

@keyframes about-tline-in {
  from {
    opacity: 0.02;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-about .about-values {
  background: linear-gradient(180deg, var(--color-bg) 0%, #FFFFFF 60%, var(--color-primary-soft) 180%);
}

.page-about .about-values-header {
  display: grid;
  gap: 1.5rem;
  margin-bottom: 2.75rem;
}

.page-about .about-values-header .section-title {
  max-width: 640px;
  margin-top: 0.75rem;
}

.page-about .about-values-lede {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: var(--lh-body);
  color: var(--color-text-muted);
  margin: 0;
  max-width: 640px;
}

.page-about .about-values-grid {
  display: grid;
  gap: 1.25rem;
}

.page-about .about-value-card {
  position: relative;
  border-radius: var(--radius-md);
  padding: 2rem 1.75rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border-soft);
  box-shadow: var(--shadow-soft);
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}

@media (hover: hover) {
  .page-about .about-value-card:hover {
    box-shadow: var(--shadow-float);
    transform: translateY(-3px);
  }
}

.page-about .about-value-card--primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-color: transparent;
}

.page-about .about-value-card--primary h3 {
  color: var(--color-bg);
}

.page-about .about-value-card--primary p {
  color: rgba(247, 243, 235, 0.86);
}

.page-about .about-value-card--primary .about-value-num {
  color: rgba(247, 243, 235, 0.5);
}

.page-about .about-value-num {
  display: block;
  font-family: var(--font-heading);
  font-size: 3rem;
  line-height: 1;
  color: var(--color-primary-soft);
  margin-bottom: 1.25rem;
}

.page-about .about-value-card h3 {
  margin: 0 0 0.75rem;
  font-family: var(--font-heading);
  font-size: var(--fs-h3);
  line-height: var(--lh-heading);
  color: var(--color-text);
}

.page-about .about-value-card p {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--color-text-muted);
}

.page-about .about-ecosystem {
  background: linear-gradient(180deg, var(--color-primary-soft) 0%, var(--color-bg) 100%);
}

.page-about .about-ecosystem-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}

.page-about .about-ecosystem-copy .section-title {
  margin: 0.75rem 0 1.25rem;
}

.page-about .about-ecosystem-copy .prose p {
  margin-top: 1rem;
}

.page-about .about-ecosystem-stats {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 1.75rem 0 0;
  border-top: 1px solid var(--color-border);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.page-about .about-ecosystem-stats li {
  display: flex;
  flex-direction: column;
}

.page-about .about-ecosystem-stats strong {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  line-height: 1.2;
  color: var(--color-primary);
}

.page-about .about-ecosystem-stats span {
  font-family: var(--font-body);
  font-size: var(--fs-caption);
  color: var(--color-text-muted);
}

.page-about .about-ecosystem-figure {
  margin: 0;
}

.page-about .about-ecosystem-img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-soft);
  box-shadow: var(--shadow-float);
}

.page-about .about-ecosystem-figure figcaption {
  margin-top: 0.75rem;
  font-family: var(--font-body);
  font-size: var(--fs-caption);
  color: var(--color-text-muted);
  border-left: 2px solid var(--color-gold);
  padding-left: 0.75rem;
}

.page-about .about-future {
  background: linear-gradient(180deg, var(--color-bg) 0%, #FFFFFF 100%);
}

.page-about .about-future-panel {
  background: linear-gradient(140deg, var(--color-primary) 0%, var(--color-primary-light) 58%, var(--color-primary-soft) 140%);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  color: var(--color-bg);
  box-shadow: var(--shadow-float);
  display: grid;
  gap: 2rem;
  align-items: center;
}

.page-about .about-future-text h2 {
  color: var(--color-bg);
  margin: 0.75rem 0 1.25rem;
}

.page-about .about-future-lead {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: var(--lh-body);
  color: rgba(247, 243, 235, 0.9);
  margin: 0 0 1.75rem;
}

.page-about .about-future-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
}

.page-about .about-future-actions .btn--ghost {
  border-color: rgba(247, 243, 235, 0.65);
  color: var(--color-bg);
}

.page-about .about-future-actions .btn--ghost:hover {
  background: rgba(247, 243, 235, 0.12);
}

.page-about .about-future-figure {
  margin: 0;
}

.page-about .about-future-img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-md);
  border: 1px solid rgba(247, 243, 235, 0.35);
  box-shadow: var(--shadow-soft);
}

.page-about .about-future-figure figcaption {
  margin-top: 0.75rem;
  font-family: var(--font-body);
  font-size: var(--fs-caption);
  color: rgba(247, 243, 235, 0.78);
  border-left: 2px solid var(--color-gold);
  padding-left: 0.75rem;
}

.page-about [id] {
  scroll-margin-top: 5.5rem;
}

@media (min-width: 640px) {
  .page-about .about-hero-stats {
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
  }

  .page-about .about-hero {
    padding: 5.5rem 0 3.5rem;
  }

  .page-about .about-hero-visual {
    max-width: 560px;
    margin-left: auto;
  }

  .page-about .about-future-panel {
    padding: 2.25rem;
  }
}

@media (min-width: 768px) {
  .page-about .about-origin-grid {
    grid-template-columns: 1fr 0.95fr;
    gap: 2.5rem;
    align-items: center;
  }

  .page-about .about-values-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-about .about-value-card--primary {
    grid-column: 1 / -1;
  }

  .page-about .about-ecosystem-grid {
    grid-template-columns: 1fr 0.95fr;
    gap: 2.5rem;
  }

  .page-about .about-future-panel {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

@media (min-width: 1024px) {
  .page-about .about-hero-grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 3rem;
    align-items: center;
  }

  .page-about .about-values-header {
    grid-template-columns: 1fr 1fr;
    align-items: end;
  }

  .page-about .about-values-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-about .about-value-card--primary {
    grid-column: auto;
  }

  .page-about .about-timeline-item {
    padding-left: 2rem;
  }

  .page-about .about-timeline-item::before {
    left: 1.25rem;
  }

  .page-about .about-timeline-dot {
    left: 0.625rem;
  }

  .page-about .about-timeline-card {
    padding: 1.5rem 1.75rem;
  }

  .page-about .about-future-panel {
    padding: 3rem;
  }

  .page-about .about-section {
    padding: 5.5rem 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}