.page-about {
  --about-line-x: 1rem;
  position: relative;
  background-color: var(--c-bg);
  background-image:
    repeating-linear-gradient(to bottom, transparent 0, transparent 4px, rgba(245, 247, 250, 0.009) 5px),
    repeating-linear-gradient(to right, transparent 0, transparent 6px, rgba(245, 247, 250, 0.006) 7px);
  color: var(--c-text);
  overflow-x: clip;
}

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

.page-about .about-breadcrumbs {
  padding-top: 1.5rem;
  padding-bottom: 0;
}

.page-about .about-hero {
  padding: 2rem 0 3.5rem;
}

.page-about .about-hero-grid {
  display: grid;
  gap: 2rem;
}

.page-about .about-kicker {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 0 0 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-about .about-hero-title h1 {
  margin: 0 0 1.25rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 3.75rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.page-about .about-lead {
  max-width: 34em;
  margin: 0;
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
  margin-top: 1.75rem;
}

.page-about .about-hero-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
}

.page-about .about-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 1.5rem 1rem;
  background: var(--c-bg-card);
  text-align: center;
}

.page-about .about-stat-num {
  font-family: var(--font-mono);
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1;
  color: var(--c-green);
}

.page-about .about-stat-label {
  font-size: 0.8125rem;
  color: var(--c-muted);
}

.page-about .about-origin {
  padding: 3.5rem 0;
  background:
    linear-gradient(135deg, transparent 0%, transparent 40%, rgba(0, 217, 255, 0.05) 100%);
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
}

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

.page-about .image-frame {
  overflow: hidden;
  position: relative;
}

.page-about .image-frame[data-ratio="4:3"] {
  aspect-ratio: 4 / 3;
}

.page-about .image-frame[data-ratio="16:9"] {
  aspect-ratio: 16 / 9;
}

.page-about .about-origin-media img,
.page-about .about-team-media img,
.page-about .about-map-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-about .section-index {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  margin: 0 0 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-blue);
}

.page-about .section-index::after {
  content: '';
  width: 3rem;
  height: 2px;
  background: var(--c-line);
}

.page-about .section-title {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.page-about .section-block,
.page-about .section-carbon {
  padding: 4rem 0;
}

.page-about .about-section-head {
  margin-bottom: 3rem;
}

.page-about .about-section-head .t-lead {
  max-width: 30em;
  margin: 0;
}

.page-about .about-timeline {
  position: relative;
  display: grid;
  gap: 2.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-timeline::before {
  content: '';
  position: absolute;
  left: calc(var(--about-line-x) - 1px);
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: linear-gradient(to bottom, var(--c-green), var(--c-blue) 60%, var(--c-line));
}

.page-about .about-timeline-item {
  display: grid;
  grid-template-columns: 2rem 1fr;
  column-gap: 1.25rem;
}

.page-about .about-timeline-dot {
  grid-column: 1;
  grid-row: 1;
  justify-self: center;
  align-self: start;
  width: 0.75rem;
  height: 0.75rem;
  margin-top: 0.625rem;
  background: var(--c-bg);
  border: 3px solid var(--c-green);
  border-radius: 2px;
  transform: rotate(45deg);
}

.page-about .about-timeline-year {
  grid-column: 2;
  margin-bottom: 0.5rem;
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.2;
  color: var(--c-green);
}

.page-about .about-timeline-card {
  grid-column: 2;
  padding: 1.5rem 1.5rem 1.75rem;
  background: var(--c-bg-card);
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-green);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out), border-color 0.3s var(--ease-out);
}

.page-about .about-timeline-card h3 {
  margin: 0.75rem 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  line-height: 1.3;
}

.page-about .about-timeline-card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--c-muted);
}

.page-about .about-timeline-card:hover {
  transform: translateY(-4px);
  border-left-color: var(--c-green);
  border-color: rgba(57, 255, 20, 0.45);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.5);
}

.page-about .about-timeline-item:nth-child(even) .about-timeline-dot {
  border-color: var(--c-blue);
}

.page-about .about-timeline-item:nth-child(even) .about-timeline-card {
  border-left-color: var(--c-blue);
}

.page-about .about-timeline-item:nth-child(even) .about-timeline-card:hover {
  border-left-color: var(--c-blue);
  border-color: rgba(0, 217, 255, 0.45);
}

.page-about .about-map-banner {
  margin: 3.5rem 0 0;
}

.page-about .about-map-banner figcaption {
  margin-top: 0.625rem;
  font-size: 0.8125rem;
  color: var(--c-muted);
}

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

.page-about .about-principle-card {
  position: relative;
  padding: 2rem 1.75rem;
  background: var(--c-bg-card);
  border: 1px solid var(--c-line);
  overflow: hidden;
  transition: transform 0.3s var(--ease-out), border-color 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.page-about .about-principle-card::before {
  content: '';
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--c-green);
}

.page-about .about-principle-card:nth-child(2)::before {
  background: var(--c-blue);
}

.page-about .about-principle-card:nth-child(3)::before {
  background: var(--c-orange);
}

.page-about .about-principle-card:hover {
  transform: translateY(-6px);
  border-color: rgba(57, 255, 20, 0.5);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
}

.page-about .about-principle-card:nth-child(2):hover {
  border-color: rgba(0, 217, 255, 0.5);
}

.page-about .about-principle-card:nth-child(3):hover {
  border-color: rgba(255, 92, 0, 0.5);
}

.page-about .about-principle-num {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--c-green);
}

.page-about .about-principle-card:nth-child(2) .about-principle-num {
  color: var(--c-blue);
}

.page-about .about-principle-card:nth-child(3) .about-principle-num {
  color: var(--c-orange);
}

.page-about .about-principle-card h3 {
  margin: 0.75rem 0;
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1.2;
}

.page-about .about-principle-card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--c-muted);
}

.page-about .about-team-grid {
  display: grid;
  gap: 2rem;
}

.page-about .about-team-content .section-index {
  color: var(--c-orange);
}

.page-about .about-team-content .section-index::after {
  background: var(--c-orange);
}

.page-about .about-team-content .t-lead {
  margin: 0 0 1rem;
}

.page-about .team-roles {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.page-about .about-trust-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.page-about .about-trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1.75rem 1.25rem;
  background: var(--c-bg-card);
  border: 1px solid var(--c-line);
  text-align: center;
  transition: border-color 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}

.page-about .about-trust-item:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 217, 255, 0.5);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.4);
}

.page-about .about-trust-num {
  font-family: var(--font-mono);
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.1;
}

.page-about .about-trust-label {
  font-size: 0.875rem;
  color: var(--c-muted);
}

.page-about .about-cta {
  margin-top: 3rem;
  padding: 2.25rem 1.5rem;
  background: linear-gradient(135deg, rgba(57, 255, 20, 0.08), rgba(0, 217, 255, 0.06));
  border: 1px solid var(--c-line);
  border-left: 4px solid var(--c-green);
  text-align: center;
}

.page-about .about-cta .t-lead {
  max-width: 30em;
  margin: 0 auto 1.5rem;
}

.page-about .about-cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.875rem;
}

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

  .page-about .about-origin-grid {
    grid-template-columns: 1fr 1.2fr;
    align-items: center;
  }

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

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

  .page-about .about-trust-num {
    font-size: 2.5rem;
  }

  .page-about .about-cta-actions {
    justify-content: center;
  }
}

@media (min-width: 1024px) {
  .page-about {
    --about-line-x: 196px;
  }

  .page-about .about-hero {
    padding: 4rem 0 5rem;
  }

  .page-about .about-hero-grid {
    grid-template-columns: 1.5fr 1fr;
    align-items: center;
    gap: 4rem;
  }

  .page-about .about-hero-title h1 {
    font-size: 3.75rem;
  }

  .page-about .about-stat {
    padding: 2rem 1rem;
  }

  .page-about .about-stat-num {
    font-size: 2.75rem;
  }

  .page-about .about-origin,
  .page-about .about-principles,
  .page-about .about-trust {
    padding: 5rem 0;
  }

  .page-about .about-origin-grid {
    gap: 4rem;
  }

  .page-about .about-timeline {
    gap: 4rem;
  }

  .page-about .about-timeline-item {
    grid-template-columns: 180px 2rem minmax(280px, 1.4fr);
    column-gap: 2rem;
  }

  .page-about .about-timeline-year {
    grid-column: 1;
    margin-bottom: 0;
    text-align: right;
    padding-top: 0.125rem;
  }

  .page-about .about-timeline-dot {
    grid-column: 2;
    margin-top: 0.875rem;
  }

  .page-about .about-timeline-card {
    grid-column: 3;
  }

  .page-about .about-timeline-card h3 {
    font-size: 1.5rem;
  }

  .page-about .about-team-grid {
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: center;
  }

  .page-about .about-trust-item {
    padding: 2.25rem 1.5rem;
  }

  .page-about .about-cta {
    padding: 3rem 2.5rem;
  }
}