.page-about {
  --ab-green: #39FF14;
  --ab-orange: #FF4D00;
  --ab-cream: #F5F0E6;
  --ab-ink: #101820;
  --ab-fog: #C8D6E5;
  --ab-border: rgba(255, 255, 255, 0.15);
  --ab-gutter: 24px;
  background: var(--yb-navy);
  color: var(--ab-cream);
}

.page-about .yb-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 24px;
  padding-bottom: 0;
  color: var(--ab-fog);
  font-size: 14px;
}

.page-about .yb-breadcrumb a {
  color: var(--ab-fog);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--yb-speed-fast) var(--yb-ease);
}

.page-about .yb-breadcrumb a:hover,
.page-about .yb-breadcrumb a:focus-visible {
  color: var(--ab-green);
  border-bottom-color: var(--ab-green);
}

.page-about .yb-breadcrumb__sep {
  color: var(--ab-fog);
  opacity: 0.6;
}

.page-about .yb-breadcrumb__current {
  color: var(--ab-cream);
}

.page-about .ab-hero {
  position: relative;
  padding: 56px 0 48px;
  overflow: hidden;
  background:
    linear-gradient(rgba(57, 255, 20, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(57, 255, 20, 0.07) 1px, transparent 1px),
    var(--yb-navy-deep);
  background-size: 44px 44px;
}

.page-about .ab-hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 220px;
  height: 220px;
  background: var(--ab-orange);
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
  opacity: 0.16;
  pointer-events: none;
}

.page-about .ab-hero__grid {
  display: grid;
  gap: 32px;
  position: relative;
  z-index: 1;
}

.page-about .ab-hero__aside {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.page-about .ab-hero__code {
  margin: 0;
  font-family: var(--yb-font-display);
  font-size: 14px;
  letter-spacing: 0.14em;
  color: var(--ab-green);
  border-left: 3px solid var(--ab-orange);
  padding-left: 12px;
  line-height: 1.4;
}

.page-about .ab-hero__anchors {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
}

.page-about .ab-hero__anchors a {
  font-family: var(--yb-font-display);
  font-size: 15px;
  letter-spacing: 0.08em;
  color: var(--ab-fog);
  text-decoration: none;
  border-bottom: 1px solid var(--ab-green);
  padding: 2px 0 1px;
  transition: color var(--yb-speed-fast) var(--yb-ease);
}

.page-about .ab-hero__anchors a:hover,
.page-about .ab-hero__anchors a:focus-visible {
  color: var(--ab-green);
}

.page-about .ab-hero__title {
  margin: 0;
  font-family: var(--yb-font-display);
  font-size: 48px;
  line-height: 1.04;
  color: var(--ab-cream);
  text-transform: uppercase;
  letter-spacing: -0.01em;
}

.page-about .ab-hero__title span {
  display: block;
  color: var(--ab-green);
  font-size: 24px;
  letter-spacing: 0.02em;
  margin-top: 8px;
}

.page-about .ab-hero__desc {
  color: var(--ab-fog);
  font-size: 16px;
  line-height: 1.8;
  max-width: 46em;
  margin: 20px 0 0;
}

.page-about .ab-layout {
  display: flex;
  flex-direction: column;
  gap: 40px;
  padding: 48px 0 72px;
}

.page-about .ab-layout__main {
  order: 1;
  min-width: 0;
}

.page-about .ab-layout__aside {
  order: 2;
  display: grid;
  gap: 16px;
  min-width: 0;
}

.page-about .ab-section + .ab-section {
  margin-top: 64px;
  border-top: 1px solid var(--ab-border);
  padding-top: 48px;
}

.page-about .ab-section__header {
  margin-bottom: 24px;
}

.page-about .ab-section__index {
  margin: 0 0 6px;
  font-family: var(--yb-font-display);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--ab-orange);
  text-transform: uppercase;
}

.page-about .ab-section__title {
  position: relative;
  margin: 0 0 12px;
  padding-left: 16px;
  font-family: var(--yb-font-display);
  font-size: 44px;
  line-height: 1.1;
  color: var(--ab-cream);
}

.page-about .ab-section__title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 5px;
  background: var(--ab-orange);
  transform: skewX(-15deg);
}

.page-about .ab-section__lead {
  margin: 0;
  color: var(--ab-fog);
  font-size: 16px;
  line-height: 1.75;
  max-width: 54em;
}

.page-about .ab-figure {
  position: relative;
  margin: 24px 0;
  padding: 8px;
  background: var(--yb-glass);
  border: 1px solid var(--ab-border);
}

.page-about .ab-figure::after {
  content: "";
  position: absolute;
  right: -8px;
  top: -8px;
  width: 48px;
  height: 48px;
  border-top: 2px solid var(--ab-green);
  border-right: 2px solid var(--ab-green);
  pointer-events: none;
}

.page-about .ab-figure__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: grayscale(1) contrast(1.05) brightness(0.85);
  transition: filter var(--yb-speed) var(--yb-ease);
}

.page-about .ab-figure:hover .ab-figure__img {
  filter: grayscale(0) contrast(1) brightness(1);
}

.page-about .ab-figure__caption {
  padding: 8px 4px 2px;
  color: var(--ab-fog);
  font-size: 13px;
}

.page-about .ab-stats-grid {
  display: grid;
  gap: 16px;
}

.page-about .ab-stat-card {
  position: relative;
  background: var(--yb-glass);
  border: 1px solid var(--ab-border);
  padding: 24px;
  transition: border-color var(--yb-speed) var(--yb-ease), background-color var(--yb-speed) var(--yb-ease);
}

.page-about .ab-stat-card:hover,
.page-about .ab-stat-card:focus-within {
  border-color: var(--ab-green);
  background: rgba(57, 255, 20, 0.04);
}

.page-about .ab-stat-card__label {
  color: var(--ab-fog);
  font-size: 14px;
  line-height: 1.4;
}

.page-about .ab-stat-card__value {
  display: block;
  margin: 8px 0 4px;
  font-family: var(--yb-font-display);
  font-size: 64px;
  line-height: 1;
  color: var(--ab-green);
  letter-spacing: -0.02em;
}

.page-about .ab-stat-card__note {
  color: var(--ab-fog);
  font-size: 13px;
  line-height: 1.5;
}

.page-about .ab-stat-card::after {
  content: "";
  display: block;
  width: 48px;
  height: 4px;
  margin-top: 16px;
  background: var(--ab-green);
  transform: skewX(-20deg);
}

.page-about .ab-archive__desc {
  margin-top: 32px;
  background: var(--ab-cream);
  color: var(--ab-ink);
  padding: 28px;
  border-left: 6px solid var(--ab-orange);
}

.page-about .ab-archive__desc h3 {
  margin: 0 0 12px;
  font-family: var(--yb-font-display);
  font-size: 22px;
  letter-spacing: 0.02em;
  color: var(--ab-ink);
}

.page-about .ab-archive__desc p {
  margin: 0;
  color: var(--ab-ink);
  font-size: 15px;
  line-height: 1.8;
}

.page-about .ab-timeline {
  position: relative;
  margin: 32px 0 0;
  padding-left: 28px;
  border-left: 1px solid rgba(57, 255, 20, 0.4);
}

.page-about .ab-timeline__item {
  position: relative;
  padding-bottom: 32px;
}

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

.page-about .ab-timeline__item::before {
  content: "";
  position: absolute;
  left: -35px;
  top: 6px;
  width: 14px;
  height: 14px;
  background: var(--ab-green);
  transform: rotate(45deg) scale(0.8);
}

.page-about .ab-timeline__year {
  margin: 0 0 4px;
  font-family: var(--yb-font-display);
  font-size: 28px;
  line-height: 1;
  color: var(--ab-orange);
}

.page-about .ab-timeline__content h3 {
  margin: 4px 0 6px;
  font-family: var(--yb-font-display);
  font-size: 20px;
  color: var(--ab-cream);
}

.page-about .ab-timeline__content p {
  margin: 0;
  color: var(--ab-fog);
  font-size: 15px;
  line-height: 1.7;
  max-width: 52em;
}

.page-about .ab-milestones__figure {
  margin-top: 32px;
}

.page-about .ab-team-grid {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.page-about .ab-team-card {
  background: var(--yb-glass);
  border: 1px solid var(--ab-border);
  padding: 24px;
  transition: border-color var(--yb-speed) var(--yb-ease);
}

.page-about .ab-team-card:hover,
.page-about .ab-team-card:focus-within {
  border-color: var(--ab-orange);
}

.page-about .ab-team-card h3 {
  margin: 0 0 8px;
  font-family: var(--yb-font-display);
  font-size: 20px;
  color: var(--ab-orange);
}

.page-about .ab-team-card p {
  margin: 0;
  color: var(--ab-fog);
  font-size: 14px;
  line-height: 1.7;
}

.page-about .ab-credential-grid {
  display: grid;
  gap: 16px;
}

.page-about .ab-credential-card {
  background: var(--yb-glass);
  border: 1px solid var(--ab-border);
  padding: 24px;
  transition: border-color var(--yb-speed) var(--yb-ease), background-color var(--yb-speed) var(--yb-ease);
}

.page-about .ab-credential-card:hover,
.page-about .ab-credential-card:focus-within {
  border-color: var(--ab-green);
  background: rgba(57, 255, 20, 0.04);
}

.page-about .ab-credential-card h3 {
  margin: 0 0 8px;
  font-family: var(--yb-font-display);
  font-size: 20px;
  color: var(--ab-cream);
}

.page-about .ab-credential-card p {
  margin: 0;
  color: var(--ab-fog);
  font-size: 14px;
  line-height: 1.7;
}

.page-about .ab-credential__cta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  margin-top: 32px;
  padding: 24px;
  background: var(--yb-glass);
  border: 1px solid var(--ab-border);
}

.page-about .ab-credential__cta p {
  margin: 0;
  color: var(--ab-cream);
  font-size: 16px;
  line-height: 1.6;
}

.page-about .ab-credential__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .ab-aside-card {
  position: relative;
  overflow: hidden;
  background: var(--yb-glass);
  border: 1px solid var(--ab-border);
  padding: 24px;
  transition: border-color var(--yb-speed) var(--yb-ease);
}

.page-about .ab-aside-card:hover {
  border-color: rgba(57, 255, 20, 0.6);
}

.page-about .ab-aside-card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  border-top: 42px solid var(--ab-green);
  border-left: 42px solid transparent;
  opacity: 0.55;
  pointer-events: none;
}

.page-about .ab-aside__slogan {
  margin: 0 0 8px;
  font-family: var(--yb-font-display);
  font-size: 24px;
  line-height: 1.25;
  color: var(--ab-green);
}

.page-about .ab-aside__trust {
  margin: 0;
  color: var(--ab-fog);
  font-size: 14px;
  line-height: 1.7;
}

.page-about .ab-aside__title {
  margin: 0 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--ab-orange);
  font-family: var(--yb-font-display);
  font-size: 16px;
  letter-spacing: 0.08em;
  color: var(--ab-cream);
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-about .ab-aside__title::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--ab-orange);
  transform: rotate(45deg);
  flex: 0 0 8px;
}

.page-about .ab-keyword-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .ab-keyword-list a {
  display: inline-block;
  padding: 6px 10px;
  font-family: var(--yb-font-display);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ab-cream);
  border: 1px solid var(--ab-border);
  background: rgba(255, 255, 255, 0.02);
  text-decoration: none;
  transition: background-color var(--yb-speed-fast) var(--yb-ease), color var(--yb-speed-fast) var(--yb-ease), border-color var(--yb-speed-fast) var(--yb-ease);
}

.page-about .ab-keyword-list a:hover,
.page-about .ab-keyword-list a:focus-visible {
  color: var(--yb-navy);
  background: var(--ab-green);
  border-color: var(--ab-green);
}

.page-about .ab-fact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .ab-fact-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  border-bottom: 1px dashed var(--ab-border);
  padding-bottom: 8px;
}

.page-about .ab-fact-list span {
  color: var(--ab-fog);
  font-size: 14px;
}

.page-about .ab-fact-list strong {
  font-family: var(--yb-font-display);
  font-size: 20px;
  color: var(--ab-green);
  white-space: nowrap;
}

.page-about .ab-version strong {
  display: block;
  font-family: var(--yb-font-display);
  font-size: 32px;
  line-height: 1;
  color: var(--ab-orange);
  margin-bottom: 6px;
}

.page-about .ab-version span {
  color: var(--ab-fog);
  font-size: 14px;
  line-height: 1.5;
}

.page-about .ab-contact-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 10px;
  color: var(--ab-fog);
  font-size: 14px;
  line-height: 1.6;
}

.page-about [id] {
  scroll-margin-top: 96px;
}

@media (min-width: 768px) {
  .page-about .ab-hero__title {
    font-size: 72px;
  }

  .page-about .ab-hero__title span {
    font-size: 32px;
  }

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

  .page-about .ab-timeline__item {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 24px;
  }

  .page-about .ab-timeline__year {
    margin: 0;
    text-align: right;
  }

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

  .page-about .ab-credential-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-about .ab-credential__cta {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 992px) {
  .page-about .ab-hero {
    padding: 72px 0 56px;
  }

  .page-about .ab-hero__grid {
    grid-template-columns: 320px 1fr;
    gap: 48px;
  }

  .page-about .ab-hero__anchors {
    flex-direction: column;
    gap: 12px;
  }

  .page-about .ab-layout {
    flex-direction: row;
    align-items: flex-start;
    gap: 0;
  }

  .page-about .ab-layout__main {
    order: 2;
    flex: 1 1 auto;
  }

  .page-about .ab-layout__aside {
    order: 1;
    flex: 0 0 300px;
    margin-right: 48px;
    position: sticky;
    top: 88px;
    max-height: calc(100vh - 104px);
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--ab-green) transparent;
  }
}