.page-about {
  --about-rail-width: 240px;
  --about-gap: 56px;
  --about-content-width: 860px;
  --about-card-bg: #1b1f1d;
  --about-card-border: rgba(212, 175, 55, 0.28);
  --about-timeline-line: rgba(212, 175, 55, 0.35);
  color: var(--c-text);
  background: transparent;
}

.page-about .breadcrumbs {
  padding-top: 24px;
  padding-bottom: 28px;
}

.page-about .about-hero {
  position: relative;
  background: var(--c-primary);
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 38%;
  height: 100%;
  background: var(--c-primary-dark);
  clip-path: polygon(18% 0, 100% 0, 100% 100%, 0 100%);
  z-index: 0;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 240px;
  height: 6px;
  background: linear-gradient(90deg, var(--c-gold) 0%, var(--c-gold-light) 100%);
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding-top: 48px;
  padding-bottom: 56px;
}

.page-about .about-hero__copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.page-about .about-hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 6vw, 3.75rem);
  line-height: 1.05;
  color: var(--c-white);
  margin: 16px 0 24px;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  max-width: 900px;
}

.page-about .about-hero__title-accent {
  display: block;
  font-size: 0.55em;
  color: var(--c-gold-light);
  text-transform: none;
  margin-top: 14px;
  transform: skew(-5deg);
  background: linear-gradient(90deg, var(--c-gold), var(--c-gold-light));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-about .about-hero__lead {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.88);
  max-width: 620px;
  margin: 0 0 32px;
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.page-about .about-hero__visual {
  position: relative;
  border: 1px solid rgba(212, 175, 55, 0.45);
  padding: 8px;
  background: var(--c-dark-2);
}

.page-about .about-hero__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 16 / 9;
}

.page-about .about-hero__badge {
  position: absolute;
  right: 18px;
  bottom: 18px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(18, 18, 18, 0.9);
  color: var(--c-white);
  font-family: var(--font-number);
  font-size: 0.8125rem;
  padding: 8px 12px;
  border-left: 3px solid var(--c-gold);
  letter-spacing: 0.04em;
}

.page-about .about-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  padding-top: 56px;
  padding-bottom: 72px;
}

.page-about .about-rail {
  position: sticky;
  top: 20px;
  background: var(--c-dark-2);
  border-top: 3px solid var(--c-gold);
  padding: 20px 20px 24px;
}

.page-about .about-rail__title {
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  color: var(--c-gold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 14px;
}

.page-about .about-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-about .about-rail__item {
  border-bottom: 1px solid rgba(224, 224, 224, 0.1);
}

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

.page-about .about-rail__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 0;
  color: var(--c-text);
  text-decoration: none;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.page-about .about-rail__link:hover,
.page-about .about-rail__link:focus-visible {
  color: var(--c-gold);
  padding-left: 6px;
}

.page-about .about-rail__no {
  font-family: var(--font-number);
  font-size: 0.8125rem;
  color: var(--c-muted);
  min-width: 24px;
}

.page-about .about-rail__note {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(212, 175, 55, 0.3);
}

.page-about .about-rail__note-title {
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  color: var(--c-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin: 0 0 10px;
}

.page-about .about-rail__note-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .about-rail__note-list li {
  margin-bottom: 6px;
}

.page-about .about-rail__note-list a {
  color: var(--c-text);
  font-size: 0.875rem;
  text-decoration-color: rgba(212, 175, 55, 0.5);
  text-underline-offset: 4px;
  transition: color 0.2s ease;
}

.page-about .about-rail__note-list a:hover {
  color: var(--c-gold);
}

.page-about .about-layout__content {
  min-width: 0;
  max-width: 100%;
}

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

.page-about .about-section__head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
}

.page-about .about-section__head .section-heading__index {
  font-family: var(--font-number);
  font-size: 1.125rem;
  color: var(--c-orange);
  background: var(--c-dark-2);
  border: 1px solid rgba(255, 107, 53, 0.5);
  padding: 4px 10px;
  transform: skew(-5deg);
  position: relative;
  top: -2px;
}

.page-about .about-section__title {
  font-family: var(--font-heading);
  font-size: clamp(1.375rem, 3vw, 2rem);
  line-height: 1.2;
  color: var(--c-white);
  margin: 0;
  transform: skew(-2deg);
  position: relative;
}

.page-about .about-section__title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 56px;
  height: 3px;
  background: var(--c-gold);
  transform: skew(-5deg);
}

.page-about .about-section__body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--c-text);
}

.page-about .about-section__body p {
  margin: 0 0 18px;
}

.page-about .about-section__lead {
  font-size: 1.125rem;
  color: var(--c-white);
  border-left: 4px solid var(--c-gold);
  padding-left: 18px;
  margin-bottom: 24px !important;
}

.page-about .about-quote {
  margin: 28px 0;
  padding: 20px 24px;
  background: var(--c-primary-dark);
  border-left: 5px solid var(--c-gold);
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--c-gold-light);
}

.page-about .about-quote p {
  margin: 0;
}

.page-about .about-timeline {
  position: relative;
  padding-left: 0;
  margin: 40px 0 36px;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 38px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: var(--about-timeline-line);
}

.page-about .about-timeline__item {
  position: relative;
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 0;
  margin-bottom: 36px;
}

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

.page-about .about-timeline__marker {
  position: relative;
  display: flex;
  justify-content: center;
  z-index: 1;
}

.page-about .about-timeline__node {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  background: var(--c-dark-2);
  border: 2px solid var(--c-gold);
  color: var(--c-gold);
  font-family: var(--font-number);
  font-size: 0.875rem;
  font-weight: 700;
  transform: skew(-5deg);
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.page-about .about-timeline__item:hover .about-timeline__node,
.page-about .about-timeline__item:focus-within .about-timeline__node {
  background: var(--c-gold);
  color: var(--c-dark);
  border-color: var(--c-gold-light);
}

.page-about .about-timeline__content {
  background: var(--about-card-bg);
  border: 1px solid var(--about-card-border);
  padding: 20px 20px 16px;
  position: relative;
  transition: border-color 0.25s ease, background 0.25s ease;
}

.page-about .about-timeline__content::before {
  content: "";
  position: absolute;
  left: -9px;
  top: 20px;
  width: 0;
  height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-top: 8px solid var(--c-gold);
  transform: rotate(90deg);
}

.page-about .about-timeline__item:hover .about-timeline__content,
.page-about .about-timeline__item:focus-within .about-timeline__content {
  border-color: var(--c-gold);
  background: rgba(27, 31, 29, 0.95);
}

.page-about .about-timeline__heading {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  color: var(--c-white);
  margin: 0 0 8px;
  letter-spacing: 0.01em;
}

.page-about .about-timeline__desc {
  font-size: 0.9375rem;
  line-height: 1.7;
  margin: 0 0 10px;
}

.page-about .about-timeline__tagline {
  font-family: var(--font-number);
  font-size: 0.8125rem;
  color: var(--c-gold);
  margin: 0;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.page-about .about-figure {
  margin: 32px 0 24px;
}

.page-about .about-figure__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid rgba(224, 224, 224, 0.18);
}

.page-about .about-figure__caption {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  color: var(--c-muted);
  line-height: 1.5;
  padding: 10px 2px 0;
  border-bottom: 1px solid rgba(212, 175, 55, 0.3);
}

.page-about .about-figure--records .about-figure__img {
  aspect-ratio: 7 / 5;
}

.page-about .about-figure--sync .about-figure__img {
  aspect-ratio: 3 / 2;
  max-width: 620px;
  margin: 0 auto;
}

.page-about .about-data-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 28px 0 30px;
}

.page-about .about-data-card {
  background: var(--c-dark-2);
  border-top: 3px solid var(--c-gold);
  border-left: 1px solid rgba(212, 175, 55, 0.2);
  border-right: 1px solid rgba(212, 175, 55, 0.2);
  border-bottom: 1px solid rgba(212, 175, 55, 0.2);
  padding: 18px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  transition: background 0.25s ease, border-color 0.25s ease;
}

.page-about .about-data-card:hover,
.page-about .about-data-card:focus-within {
  background: #222825;
  border-color: var(--c-gold);
}

.page-about .about-data-card__num {
  font-family: var(--font-number);
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 700;
  color: var(--c-gold);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.page-about .about-data-card__unit {
  font-family: var(--font-number);
  font-size: 0.8125rem;
  color: var(--c-orange);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.page-about .about-data-card__label {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  color: var(--c-muted);
  line-height: 1.4;
  margin-top: 6px;
}

.page-about .about-sync-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 28px 0 30px;
  background: var(--c-primary-dark);
  border: 1px solid rgba(42, 157, 143, 0.35);
  padding: 20px 18px;
}

.page-about .about-sync-panel__item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
}

.page-about .about-sync-panel__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--c-teal);
  color: var(--c-white);
  font-family: var(--font-number);
  font-size: 1.25rem;
  font-weight: 700;
  transform: skew(-5deg);
  margin-bottom: 8px;
}

.page-about .about-sync-panel__title {
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  color: var(--c-white);
  margin: 0;
}

.page-about .about-sync-panel__desc {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--c-text);
  margin: 0;
}

.page-about .about-sync-panel__arrow {
  font-family: var(--font-number);
  font-size: 1.75rem;
  color: var(--c-gold);
  text-align: center;
  line-height: 1;
  padding: 4px 0;
}

.page-about .about-promise-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 28px 0 32px;
}

.page-about .about-promise {
  display: block;
  text-decoration: none;
  background: var(--c-dark-2);
  border-left: 5px solid var(--c-gold);
  padding: 20px 18px 18px;
  transition: background 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
  position: relative;
  overflow: hidden;
}

.page-about .about-promise::after {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 0;
  background: var(--c-gold);
  opacity: 0.06;
  transition: width 0.25s ease;
}

.page-about .about-promise:hover,
.page-about .about-promise:focus-visible {
  background: #212725;
  border-color: var(--c-gold-light);
  transform: translateX(4px);
}

.page-about .about-promise:hover::after,
.page-about .about-promise:focus-visible::after {
  width: 100%;
}

.page-about .about-promise__cn {
  font-family: var(--font-heading);
  font-size: 1.625rem;
  color: var(--c-gold);
  display: block;
  transform: skew(-5deg);
}

.page-about .about-promise__en {
  font-family: var(--font-number);
  font-size: 0.75rem;
  color: var(--c-orange);
  letter-spacing: 0.24em;
  display: block;
  margin: 2px 0 10px;
  text-transform: uppercase;
}

.page-about .about-promise__desc {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--c-text);
  display: block;
  position: relative;
  z-index: 1;
}

.page-about .about-promise--fast {
  border-left-color: var(--c-gold);
}

.page-about .about-promise--accurate {
  border-left-color: var(--c-orange);
}

.page-about .about-promise--accurate .about-promise__cn {
  color: var(--c-orange);
}

.page-about .about-promise--steady {
  border-left-color: var(--c-teal);
}

.page-about .about-promise--steady .about-promise__cn {
  color: var(--c-teal);
}

.page-about .about-closing {
  font-size: 1.0625rem;
  color: var(--c-white);
  border: 1px solid rgba(212, 175, 55, 0.3);
  padding: 18px 22px;
  background: linear-gradient(120deg, rgba(27, 67, 50, 0.5) 0%, rgba(18, 18, 18, 0.3) 60%);
}

@media (min-width: 640px) {
  .page-about .about-data-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
  }

  .page-about .about-sync-panel {
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 16px;
  }

  .page-about .about-sync-panel__arrow {
    padding: 0;
  }

  .page-about .about-promise-list {
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
  }

  .page-about .about-promise {
    padding: 20px 14px 18px;
  }

  .page-about .about-promise__desc {
    font-size: 0.875rem;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero__inner {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 48px;
    padding-top: 64px;
    padding-bottom: 72px;
  }

  .page-about .about-layout {
    grid-template-columns: var(--about-rail-width) 1fr;
    gap: var(--about-gap);
  }

  .page-about .about-rail {
    padding-top: 24px;
  }
}

@media (min-width: 1100px) {
  .page-about .about-layout__content {
    max-width: var(--about-content-width);
  }
}