.page-about {
  --about-rule: rgba(192, 200, 209, 0.45);
  --about-shadow: 0 14px 40px rgba(10, 25, 47, 0.12);
  background: var(--color-snow);
  color: var(--color-ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-about .about-crumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding-top: 1.25rem;
  padding-bottom: 1.25rem;
  font-size: var(--text-note);
  letter-spacing: 0.08em;
  color: var(--color-silver);
}

.page-about .about-crumb a {
  color: var(--color-ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--speed) var(--ease);
}

.page-about .about-crumb a:hover {
  border-color: var(--color-action);
}

.page-about .about-crumb span[aria-current] {
  color: var(--color-action);
  font-weight: 500;
}

.page-about .about-cover {
  position: relative;
  background: linear-gradient(135deg, var(--color-space), var(--color-pitch));
  color: var(--color-snow);
  padding: 4rem 0 5rem;
  overflow: hidden;
}

.page-about .about-cover__inner {
  position: relative;
  z-index: 2;
}

.page-about .about-cover__kicker {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-action);
  margin: 0 0 2rem;
}

.page-about .about-cover h1 {
  font-family: var(--font-heading);
  font-size: var(--text-hero);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 0 0 1.5rem;
  max-width: 14em;
}

.page-about .about-cover__lead {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--color-silver);
  max-width: 38em;
  margin: 0 0 2rem;
}

.page-about .about-cover__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
}

.page-about .about-cover__number {
  position: absolute;
  right: -0.5rem;
  bottom: -1.5rem;
  font-family: var(--font-heading);
  font-size: clamp(8rem, 20vw, 16rem);
  font-weight: 700;
  line-height: 1;
  color: rgba(245, 247, 250, 0.05);
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

.page-about .about-cover__memo {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  writing-mode: vertical-rl;
  white-space: nowrap;
  font-size: 0.6rem;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: rgba(192, 200, 209, 0.5);
  z-index: 2;
  pointer-events: none;
}

.page-about .about-cover__rings {
  position: absolute;
  right: -60px;
  top: -20px;
  width: 66%;
  max-width: 620px;
  height: auto;
  z-index: 0;
  pointer-events: none;
}

.page-about .about-section {
  padding: 3.5rem 0;
  border-bottom: 1px solid var(--about-rule);
  scroll-margin-top: 80px;
}

.page-about .about-section__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.page-about .about-section__rail {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-bottom: 0.75rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--about-rule);
}

.page-about .about-section__index {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-action);
}

.page-about .about-section__vertical {
  font-size: 0.75rem;
  letter-spacing: 0.35em;
  color: var(--color-ink);
  text-transform: uppercase;
  white-space: nowrap;
}

.page-about .about-section__tag {
  display: inline-block;
  background: var(--color-space);
  color: var(--color-snow);
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  padding: 0.3rem 0.7rem;
  margin-bottom: 1.1rem;
  border-radius: 2px;
}

.page-about .about-section__content h2 {
  font-family: var(--font-heading);
  font-size: var(--text-h2);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.01em;
  margin: 0 0 1.25rem;
}

.page-about .about-section__content p {
  line-height: 1.75;
  color: rgba(11, 29, 42, 0.85);
  max-width: 68ch;
  margin: 0 0 1rem;
}

.page-about .about-figure {
  margin: 2.25rem 0 0;
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
  background: var(--color-mist);
}

.page-about .about-figure figcaption {
  margin-top: 0.75rem;
  font-size: var(--text-note);
  color: var(--color-ink);
  opacity: 0.75;
  line-height: 1.5;
}

.page-about .about-origin .about-figure {
  position: relative;
}

.page-about .about-origin .about-figure::before {
  content: "";
  position: absolute;
  inset: 12px -12px -12px 12px;
  border: 1px solid var(--color-action);
  border-radius: 12px;
  opacity: 0.5;
  z-index: 0;
}

.page-about .about-origin .about-figure img {
  position: relative;
  z-index: 1;
}

.page-about .about-global {
  background: linear-gradient(135deg, var(--color-space), var(--color-pitch));
  border-bottom: 0;
  color: var(--color-snow);
}

.page-about .about-global .about-section__rail {
  border-color: rgba(192, 200, 209, 0.3);
}

.page-about .about-global .about-section__vertical {
  color: var(--color-silver);
}

.page-about .about-global .about-section__tag {
  background: var(--color-action);
  color: var(--color-snow);
}

.page-about .about-global .about-section__content p {
  color: var(--color-silver);
}

.page-about .about-globe {
  position: relative;
  margin: 2.5rem 0 1rem;
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 2 / 1;
  background: var(--color-pitch);
}

.page-about .about-globe img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.6;
}

.page-about .about-globe figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 1.5rem 1rem 0.75rem;
  background: linear-gradient(180deg, rgba(2, 12, 27, 0), rgba(2, 12, 27, 0.9));
  color: var(--color-snow);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-align: left;
}

.page-about .about-globe__dot {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-action);
  box-shadow: 0 0 0 0 rgba(255, 107, 53, 0.6);
  animation: about-pulse 2.4s var(--ease) infinite;
}

.page-about .about-globe__dot--one {
  left: 76%;
  top: 38%;
}

.page-about .about-globe__dot--two {
  left: 46%;
  top: 30%;
}

.page-about .about-globe__dot--three {
  left: 58%;
  top: 62%;
}

@keyframes about-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(255, 107, 53, 0.55);
  }
  70% {
    box-shadow: 0 0 0 14px rgba(255, 107, 53, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(255, 107, 53, 0);
  }
}

.page-about .about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin: 2rem 0 0;
}

.page-about .about-stat {
  background: rgba(245, 247, 250, 0.06);
  border: 1px solid rgba(255, 107, 53, 0.22);
  border-radius: 10px;
  padding: 1rem 1.1rem;
}

.page-about .about-stat strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.7rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-snow);
}

.page-about .about-stat span {
  display: block;
  margin-top: 0.3rem;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--color-silver);
}

.page-about .about-archive__timeline {
  list-style: none;
  margin: 2.25rem 0;
  padding: 1.25rem 1rem;
  background: var(--color-space);
  border-radius: 14px;
}

.page-about .about-archive__event {
  position: relative;
  margin-bottom: 0.75rem;
  padding: 1rem 1rem 1rem 1.25rem;
  background: rgba(245, 247, 250, 0.07);
  border-left: 3px solid var(--color-action);
  border-radius: 0 8px 8px 0;
  transition: transform var(--speed) var(--ease);
}

.page-about .about-archive__event:last-child {
  margin-bottom: 0;
}

.page-about .about-archive__event:hover {
  transform: translateX(4px);
}

.page-about .about-archive__ver {
  display: block;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.35rem;
  line-height: 1.2;
  color: var(--color-action);
  margin-bottom: 0.3rem;
}

.page-about .about-archive__desc {
  display: block;
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--color-silver);
}

.page-about .about-archive__cta {
  margin-top: 1.5rem;
}

.page-about .about-archive__cta a,
.page-about .about-index__link a {
  color: var(--color-action);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 107, 53, 0.4);
  transition: border-color var(--speed) var(--ease);
}

.page-about .about-archive__cta a:hover,
.page-about .about-index__link a:hover {
  border-color: var(--color-action);
}

.page-about .about-index__levels {
  display: grid;
  gap: 1rem;
  margin: 2.25rem 0 1.5rem;
}

.page-about .about-index__level {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  background: var(--color-mist);
  border-radius: 12px;
  padding: 1.5rem;
  border-left: 4px solid var(--color-action);
  transition: transform var(--speed) var(--ease), box-shadow var(--speed) var(--ease);
}

.page-about .about-index__level:hover {
  transform: translateX(4px);
  box-shadow: var(--about-shadow);
}

.page-about .about-index__level > span {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-action);
}

.page-about .about-index__level strong {
  display: block;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
  color: var(--color-ink);
}

.page-about .about-index__level p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.55;
  color: rgba(11, 29, 42, 0.75);
}

.page-about .about-compliance__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin: 2.25rem 0 1.5rem;
}

.page-about .about-compliance__card {
  background: var(--color-snow);
  border: 1px solid var(--color-silver);
  border-radius: 10px;
  padding: 1.1rem 1.2rem;
}

.page-about .about-compliance__title {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-action);
  margin-bottom: 0.4rem;
}

.page-about .about-compliance__card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--color-ink);
}

.page-about .about-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  margin-top: 1.5rem;
}

@media (min-width: 768px) {
  .page-about .about-crumb {
    padding-top: 1.75rem;
    padding-bottom: 1.75rem;
  }

  .page-about .about-cover {
    padding: 6rem 0 7rem;
  }

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

  .page-about .about-section__grid {
    grid-template-columns: 120px 1fr;
    gap: 2.5rem;
  }

  .page-about .about-section__rail {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
    border-bottom: 0;
    margin-bottom: 0;
    padding-bottom: 0;
    border-right: 1px solid var(--about-rule);
    margin-right: 0.5rem;
  }

  .page-about .about-section__index {
    font-size: 4.5rem;
  }

  .page-about .about-section__vertical {
    writing-mode: vertical-rl;
    font-size: 0.7rem;
    line-height: 1.6;
    letter-spacing: 0.4em;
  }

  .page-about .about-stats {
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-top: 2.5rem;
  }

  .page-about .about-stat strong {
    font-size: 2rem;
  }

  .page-about .about-archive__timeline {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    position: relative;
    padding: 2.5rem 1.5rem;
  }

  .page-about .about-archive__timeline::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 1.5rem;
    right: 1.5rem;
    height: 2px;
    background: var(--color-action);
    opacity: 0.3;
  }

  .page-about .about-archive__event {
    margin-bottom: 0;
    padding: 1.25rem 1rem 1rem;
    border-left: 0;
    border-top: 3px solid var(--color-action);
    border-radius: 0 0 8px 8px;
  }

  .page-about .about-archive__event:hover {
    transform: translateY(-4px);
  }

  .page-about .about-index__levels {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }

  .page-about .about-index__level {
    flex-direction: column;
    gap: 1rem;
    padding: 1.75rem;
  }

  .page-about .about-index__level:hover {
    transform: translateY(-4px);
  }

  .page-about .about-compliance__cards {
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
  }
}

@media (min-width: 1100px) {
  .page-about .about-section__grid {
    grid-template-columns: 150px 1fr;
    gap: 4rem;
  }

  .page-about .about-section__index {
    font-size: 5.5rem;
  }
}