.page-about {
  --ab-gap: clamp(48px, 8vw, 96px);
  --ab-edge: 1px solid var(--line);
  --ab-border-strong: 1px solid var(--line-strong);
  padding-bottom: clamp(32px, 7vw, 72px);
  color: var(--cream);
}

.page-about .ab-crumb {
  padding-top: clamp(16px, 4vw, 32px);
  padding-bottom: clamp(8px, 2vw, 16px);
}

.page-about .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--stone);
}

.page-about .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 8px;
  color: var(--stone);
}

.page-about .breadcrumb-link {
  color: var(--stone);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 140ms var(--ease), border-color 140ms var(--ease);
}

.page-about .breadcrumb-link:hover,
.page-about .breadcrumb-link:focus-visible {
  color: var(--violet-soft);
  border-bottom-color: var(--violet);
}

.page-about .breadcrumb-current {
  color: var(--cream);
}

/* ---------- hero ---------- */

.page-about .ab-hero {
  padding: clamp(20px, 4vw, 44px) 0 clamp(28px, 5vw, 56px);
}

.page-about .ab-hero-grid {
  display: grid;
  gap: clamp(24px, 5vw, 48px);
}

.page-about .ab-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--violet-soft);
}

.page-about .ab-bolt {
  display: inline-block;
  width: 12px;
  height: 16px;
  background: var(--bolt);
  clip-path: polygon(58% 0, 12% 58%, 46% 58%, 34% 100%, 92% 40%, 54% 40%);
}

.page-about .ab-hero h1 {
  margin: 0;
  font-size: clamp(30px, 7.4vw, 66px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.03em;
  color: var(--cream);
}

.page-about .ab-lede {
  max-width: 34em;
  margin: clamp(16px, 3vw, 26px) 0 0;
  font-size: clamp(15px, 2.4vw, 17px);
  line-height: 1.75;
  color: var(--stone);
}

.page-about .ab-hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 32px;
  margin: clamp(22px, 4vw, 34px) 0 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: var(--ab-edge);
}

.page-about .ab-hero-facts li {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-about .ab-hero-facts strong {
  font-size: clamp(22px, 4vw, 30px);
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--bolt);
  line-height: 1;
}

.page-about .ab-hero-facts span {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--stone);
}

.page-about .ab-hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 22px;
  margin-top: clamp(22px, 4vw, 32px);
}

.page-about .ab-hero-visual {
  position: relative;
  margin: 0;
  padding: 10px;
  border: var(--ab-border-strong);
  background: var(--ink-card);
  box-shadow: var(--shadow);
}

.page-about .ab-hero-visual::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 6px;
  background:
    repeating-linear-gradient(to bottom, var(--violet) 0 10px, transparent 10px 20px);
  opacity: 0.85;
}

.page-about .ab-hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  background: var(--ink-deep);
}

.page-about .ab-hero-cap {
  padding: 10px 4px 2px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--stone);
}

/* ---------- index bar ---------- */

.page-about .ab-index {
  position: sticky;
  top: 0;
  z-index: 6;
  border-top: var(--ab-edge);
  border-bottom: var(--ab-edge);
  background: rgba(11, 16, 38, 0.94);
  backdrop-filter: blur(8px);
}

.page-about .ab-index-inner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 10px;
  padding-bottom: 10px;
}

.page-about .ab-index-label {
  flex: none;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--clay);
}

.page-about .ab-index-list {
  display: flex;
  gap: 18px;
  margin: 0;
  padding: 2px 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-about .ab-index-list::-webkit-scrollbar {
  display: none;
}

.page-about .ab-index-list a {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding-bottom: 4px;
  white-space: nowrap;
  font-size: 13px;
  color: var(--stone);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 140ms var(--ease), border-color 140ms var(--ease);
}

.page-about .ab-index-list a:hover,
.page-about .ab-index-list a:focus-visible {
  color: var(--cream);
  border-bottom-color: var(--bolt);
}

.page-about .ab-index-num {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--violet);
}

/* ---------- shared section shell ---------- */

.page-about .ab-section {
  padding: var(--ab-gap) 0 0;
  scroll-margin-top: 64px;
}

.page-about .ab-num {
  display: block;
  font-size: clamp(54px, 13vw, 110px);
  font-weight: 200;
  line-height: 0.8;
  letter-spacing: -0.04em;
  color: rgba(245, 241, 232, 0.14);
}

.page-about .ab-section h2 {
  margin: 10px 0 0;
  font-size: clamp(22px, 4.4vw, 34px);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: var(--cream);
}

.page-about .ab-section p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--stone);
}

.page-about .ab-split {
  display: grid;
  gap: clamp(18px, 4vw, 40px);
}

.page-about .ab-split-body p {
  margin: 0 0 14px;
}

.page-about .ab-split-body p:last-of-type {
  margin-bottom: 0;
}

.page-about .ab-stat-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 26px;
  border: var(--ab-edge);
  background: var(--line);
}

.page-about .ab-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 12px;
  background: var(--ink-card);
}

.page-about .ab-stat-num {
  font-size: clamp(20px, 4vw, 28px);
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--mint);
  line-height: 1;
}

.page-about .ab-stat-cap {
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--stone);
}

/* ---------- stages ---------- */

.page-about .ab-stages-head p {
  max-width: 40em;
  margin: 14px 0 0;
}

.page-about .ab-figure {
  margin: clamp(22px, 4vw, 36px) 0 0;
  padding: 8px;
  border: var(--ab-edge);
  background: var(--ink-card);
}

.page-about .ab-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 12 / 7;
  object-fit: cover;
  background: var(--ink-deep);
}

.page-about .ab-figure figcaption {
  padding: 10px 4px 2px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--stone);
}

.page-about .ab-timeline {
  position: relative;
  margin: clamp(26px, 5vw, 42px) 0 0;
  padding: 0 0 0 26px;
  list-style: none;
}

.page-about .ab-timeline::before {
  content: "";
  position: absolute;
  top: 6px;
  bottom: 6px;
  left: 7px;
  width: 1px;
  background: linear-gradient(to bottom, var(--violet), var(--bolt) 55%, var(--moss));
  opacity: 0.6;
}

.page-about .ab-stage {
  position: relative;
  padding-bottom: clamp(22px, 4vw, 34px);
}

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

.page-about .ab-stage-num {
  position: absolute;
  left: -26px;
  top: 4px;
  display: grid;
  place-items: center;
  width: 15px;
  height: 15px;
  font-size: 9px;
  font-weight: 700;
  color: var(--ink);
  background: var(--bolt);
  border-radius: 50%;
}

.page-about .ab-stage-card {
  padding: clamp(16px, 3vw, 26px);
  border: var(--ab-edge);
  border-left: 2px solid var(--violet);
  background: var(--ink-card);
  box-shadow: 0 4px 14px rgba(4, 6, 18, 0.35);
  transition: border-color 160ms var(--ease), transform 160ms var(--ease), box-shadow 160ms var(--ease);
}

.page-about .ab-stage-card:hover {
  border-color: var(--line-strong);
  border-left-color: var(--bolt);
  transform: translateX(3px);
  box-shadow: var(--shadow);
}

.page-about .ab-stage-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--violet-soft) !important;
}

.page-about .ab-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

.page-about .ab-dot--clay {
  background: var(--clay);
}

.page-about .ab-dot--mint {
  background: var(--mint);
}

.page-about .ab-stage-card h3 {
  margin: 0 0 8px;
  font-size: clamp(17px, 3vw, 21px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-about .ab-stage-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
}

/* ---------- weekly ---------- */

.page-about .ab-section--weekly {
  padding-top: var(--ab-gap);
}

.page-about .ab-weekly-grid {
  display: grid;
  gap: clamp(20px, 4vw, 40px);
  padding: clamp(20px, 4vw, 36px);
  border: var(--ab-border-strong);
  background: linear-gradient(150deg, rgba(123, 47, 247, 0.16), rgba(11, 16, 38, 0) 62%);
}

.page-about .ab-weekly-clock {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.page-about .ab-weekly-day {
  font-size: clamp(26px, 6vw, 42px);
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--cream);
  line-height: 1;
}

.page-about .ab-weekly-time {
  font-size: clamp(14px, 2.6vw, 17px);
  letter-spacing: 0.1em;
  color: var(--bolt);
}

.page-about .ab-weekly-note {
  margin: 6px 0 0;
  font-size: 13px !important;
  line-height: 1.7 !important;
}

.page-about .ab-weekly-body p {
  margin: 12px 0 0;
}

.page-about .ab-weekly-body .link-arrow {
  margin-top: 16px;
}

/* ---------- teams ---------- */

.page-about .ab-team-list {
  display: grid;
  gap: 1px;
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding: 0;
  list-style: none;
  border: var(--ab-edge);
  background: var(--line);
}

.page-about .ab-team {
  position: relative;
  padding: clamp(18px, 3vw, 26px);
  background: var(--ink-card);
  transition: background 160ms var(--ease);
}

.page-about .ab-team:hover {
  background: #20243a;
}

.page-about .ab-team-idx {
  display: block;
  margin-bottom: 8px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--clay);
}

.page-about .ab-team h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--cream);
}

.page-about .ab-team p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
}

.page-about .ab-team-tail {
  margin: 18px 0 0;
  font-size: 13.5px !important;
}

/* ---------- standards ---------- */

.page-about .ab-section--standards {
  margin-top: var(--ab-gap);
  padding-top: clamp(30px, 5vw, 56px);
  padding-bottom: clamp(30px, 5vw, 56px);
  background: var(--cream);
  color: var(--ink);
}

.page-about .ab-section--standards .ab-num {
  color: rgba(11, 16, 38, 0.14);
}

.page-about .ab-section--standards h2 {
  color: var(--ink);
}

.page-about .ab-section--standards p {
  color: #3d4358;
}

.page-about .ab-standards-head p {
  max-width: 44em;
  margin: 14px 0 0;
}

.page-about .ab-metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(22px, 4vw, 34px);
  background: rgba(11, 16, 38, 0.14);
  border: 1px solid rgba(11, 16, 38, 0.14);
}

.page-about .ab-metric {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 14px;
  background: var(--cream);
}

.page-about .ab-metric-num {
  font-size: clamp(22px, 4.6vw, 34px);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--ink);
}

.page-about .ab-metric-num em {
  font-size: 0.42em;
  font-style: normal;
  font-weight: 400;
  letter-spacing: 0;
  margin-left: 3px;
  color: #6b7085;
}

.page-about .ab-metric-cap {
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: #4d5367;
}

.page-about .ab-standards-tail {
  margin: 18px 0 0;
  font-size: 13.5px !important;
}

.page-about .ab-section--standards .link-arrow {
  color: var(--violet);
  border-bottom-color: var(--violet);
}

/* ---------- region ---------- */

.page-about .ab-region-grid {
  display: grid;
  gap: clamp(20px, 4vw, 40px);
}

.page-about .ab-region-copy p {
  margin: 12px 0 0;
}

.page-about .ab-region-copy .link-arrow {
  margin-top: 18px;
}

.page-about .ab-region-visual {
  margin: 0;
  padding: 8px;
  border: var(--ab-edge);
  background: var(--ink-card);
}

.page-about .ab-region-visual img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  background: var(--ink-deep);
}

.page-about .ab-region-visual figcaption {
  padding: 10px 4px 2px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--stone);
}

.page-about .ab-ridge {
  display: block;
  width: 100%;
  height: 64px;
  margin: clamp(22px, 4vw, 34px) 0 0;
  color: var(--moss);
  opacity: 0.8;
}

.page-about .ab-close {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding-top: clamp(20px, 4vw, 30px);
  border-top: var(--ab-edge);
}

.page-about .ab-close p {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0;
  font-size: 14px;
  color: var(--cream) !important;
}

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

@media (min-width: 760px) {
  .page-about .ab-split {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }

  .page-about .ab-split-head {
    position: sticky;
    top: 88px;
  }

  .page-about .ab-weekly-grid {
    grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr);
    align-items: start;
  }

  .page-about .ab-weekly-clock {
    padding-bottom: 0;
    padding-right: 20px;
    border-bottom: 0;
    border-right: 1px solid var(--line);
  }

  .page-about .ab-team-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .ab-metric-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .ab-region-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: center;
  }

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

  .page-about .ab-timeline {
    padding-left: 40px;
  }

  .page-about .ab-timeline::before {
    left: 9px;
  }

  .page-about .ab-stage-num {
    left: -40px;
    width: 19px;
    height: 19px;
    font-size: 10px;
  }

  .page-about .ab-stage-card {
    max-width: 46em;
  }

  .page-about .ab-stage:nth-child(even) .ab-stage-card {
    margin-left: clamp(0px, 3vw, 34px);
  }
}

@media (min-width: 900px) {
  .page-about .ab-hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.7fr);
    align-items: start;
  }

  .page-about .ab-hero-visual {
    margin-top: 34px;
  }

  .page-about .ab-section {
    scroll-margin-top: 76px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .ab-stage-card,
  .page-about .ab-team,
  .page-about .ab-index-list a,
  .page-about .breadcrumb-link {
    transition: none;
  }

  .page-about .ab-stage-card:hover {
    transform: none;
  }
}