.page-about {
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

/* ---------- Hero ---------- */
.page-about .about-hero {
  position: relative;
  padding: clamp(20px, 4vw, 36px) 0 clamp(40px, 7vw, 88px);
  background: var(--ink);
  isolation: isolate;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 62%;
  background: linear-gradient(158deg, var(--panel) 0%, rgba(19, 52, 42, 0.35) 52%, transparent 82%);
  clip-path: polygon(26% 0, 100% 0, 100% 100%, 0 100%);
  z-index: -1;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--rule);
}

.page-about .about-hero__wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  margin-top: 24px;
}

.page-about .about-hero__title {
  margin: 10px 0 0;
  color: var(--paper);
  letter-spacing: -0.02em;
  line-height: 1.02;
}

.page-about .about-hero__title em {
  font-style: normal;
  color: var(--lime);
}

.page-about .about-hero__lede {
  margin-top: 22px;
  max-width: 46ch;
  color: var(--mist);
}

.page-about .about-hero__rail {
  display: none;
}

.page-about .about-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(32px, 5vw, 56px);
  background: var(--rule);
  border: 1px solid var(--rule);
}

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

.page-about .about-stat__num {
  font-family: var(--mono);
  font-size: clamp(1.6rem, 5vw, 2.4rem);
  font-weight: 700;
  line-height: 1;
  color: var(--lime);
}

.page-about .about-stat__num em {
  font-style: normal;
  font-size: 0.6em;
  margin-left: 2px;
}

.page-about .about-stat__label {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

/* ---------- Shared row / rail ---------- */
.page-about .about-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-about .about-rail {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--rule);
}

.page-about .about-rail__index {
  color: var(--lime);
  font-size: 12px;
}

.page-about .about-rail__name {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

/* ---------- What we do ---------- */
.page-about .about-do__lede,
.page-about .about-path__lede,
.page-about .about-stage__lede,
.page-about .about-team__lede,
.page-about .about-collab__lede {
  margin-top: 18px;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
}

.page-about .about-do__cols {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: 32px;
  background: var(--rule);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.page-about .about-card {
  padding: 24px 0 26px;
  border-bottom: 1px solid var(--rule);
}

.page-about .about-card:last-child {
  border-bottom: 0;
}

.page-about .about-card__coord {
  color: var(--mist);
  font-size: 11px;
}

.page-about .about-card .h3 {
  margin: 10px 0 10px;
  color: var(--paper);
}

.page-about .about-card p {
  color: var(--mist);
  font-size: 15px;
  line-height: 1.72;
}

.page-about .about-do__tail {
  margin-top: 26px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist);
}

.page-about .about-do__tail a,
.page-about .about-stage__tail a,
.page-about .about-collab__tail a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--edge);
  transition: border-color var(--t) var(--ease), color var(--t) var(--ease);
}

.page-about .about-do__tail a:hover,
.page-about .about-stage__tail a:hover,
.page-about .about-collab__tail a:hover {
  border-bottom-color: var(--lime);
}

/* ---------- Coverage ---------- */
.page-about .about-coverage {
  position: relative;
  background: var(--panel);
  padding-block: clamp(48px, 7vw, 96px);
  overflow: hidden;
}

.page-about .about-coverage__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-about .about-coverage__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
  filter: saturate(0.45) brightness(0.7);
}

.page-about .about-coverage__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(150deg, rgba(10, 26, 21, 0.94) 0%, rgba(10, 26, 21, 0.6) 55%, rgba(19, 52, 42, 0.86) 100%);
}

.page-about .about-coverage .container {
  position: relative;
  z-index: 1;
}

.page-about .about-coverage__head {
  max-width: 62ch;
}

.page-about .about-coverage__lede {
  margin-top: 18px;
  color: var(--mist);
}

.page-about .about-coverage__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  margin-top: 36px;
}

.page-about .about-map {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 5px;
  padding: 14px;
  border: 1px solid var(--edge);
  background: rgba(10, 26, 21, 0.6);
}

.page-about .about-map__cell {
  aspect-ratio: 1 / 1;
  border: 1px solid var(--rule);
  transition: background var(--t) var(--ease), border-color var(--t) var(--ease);
}

.page-about .about-map__cell.is-on {
  background: var(--edge);
  border-color: var(--edge);
}

.page-about .about-map__cell.is-hot {
  background: var(--lime);
  border-color: var(--lime);
}

.page-about .about-legend {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}

.page-about .about-legend__item {
  display: grid;
  grid-template-columns: 46px 72px minmax(0, 1fr);
  align-items: baseline;
  gap: 12px;
  padding: 14px 12px;
  background: var(--ink);
}

.page-about .about-legend__key {
  font-size: 11px;
  color: var(--mist);
}

.page-about .about-legend__val {
  font-family: var(--mono);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--lime);
  line-height: 1;
}

.page-about .about-legend__val em {
  font-style: normal;
  font-size: 0.6em;
  margin-left: 2px;
}

.page-about .about-legend__txt {
  font-size: 14px;
  line-height: 1.6;
  color: var(--paper);
}

/* ---------- Path ---------- */
.page-about .about-path__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  margin-top: 30px;
}

.page-about .about-path__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}

.page-about .about-path__step {
  padding: 20px 0 22px;
  border-bottom: 1px solid var(--rule);
}

.page-about .about-path__coord {
  font-size: 11px;
  color: var(--rust);
}

.page-about .about-path__step .h3 {
  margin: 8px 0 8px;
  color: var(--paper);
}

.page-about .about-path__step p {
  color: var(--mist);
  font-size: 15px;
  line-height: 1.72;
}

.page-about .about-path__media {
  margin: 0;
}

.page-about .about-path__media .media-frame {
  border: 1px solid var(--edge);
}

.page-about .about-path__caption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.06em;
  color: var(--mist);
}

/* ---------- Stage / timeline ---------- */
.page-about .about-stage {
  background: var(--panel);
}

.page-about .about-timeline {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  position: relative;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: var(--edge);
}

.page-about .about-timeline__item {
  position: relative;
  padding: 0 0 28px 30px;
}

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

.page-about .about-timeline__node {
  position: absolute;
  left: 0;
  top: 6px;
  width: 11px;
  height: 11px;
  background: var(--ink);
  border: 1px solid var(--edge);
  transition: background var(--t) var(--ease), border-color var(--t) var(--ease);
}

.page-about .about-timeline__item.is-active .about-timeline__node {
  background: var(--lime);
  border-color: var(--lime);
}

.page-about .about-timeline__year {
  font-size: 11px;
  color: var(--rust);
}

.page-about .about-timeline__item.is-active .about-timeline__year {
  color: var(--lime);
}

.page-about .about-timeline__content .h3 {
  margin: 8px 0 10px;
  color: var(--paper);
}

.page-about .about-timeline__content > p {
  color: var(--mist);
  font-size: 15px;
  line-height: 1.72;
  max-width: 56ch;
}

.page-about .about-timeline__expand {
  margin-top: 14px;
}

.page-about .about-timeline__toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  background: transparent;
  border: 1px solid var(--edge);
  border-radius: var(--r);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: border-color var(--t) var(--ease), color var(--t) var(--ease), background var(--t) var(--ease);
}

.page-about .about-timeline__toggle:hover {
  border-color: var(--lime);
  color: var(--lime);
}

.page-about .about-timeline__expand[data-open="true"] .about-timeline__toggle {
  border-color: var(--lime);
  background: rgba(216, 255, 62, 0.1);
  color: var(--lime);
}

.page-about .expand__mark {
  width: 8px;
  height: 8px;
  background: var(--edge);
  display: inline-block;
  transition: background var(--t) var(--ease);
}

.page-about .about-timeline__expand[data-open="true"] .expand__mark {
  background: var(--lime);
}

.page-about .about-timeline__facts {
  list-style: none;
  margin: 0;
  padding: 14px 0 0;
  display: grid;
  gap: 10px;
}

.page-about .about-timeline__facts li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.66;
  color: var(--mist);
}

.page-about .about-timeline__facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 1px;
  background: var(--lime);
}

.page-about .about-stage__tail {
  margin-top: 32px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- Team ---------- */
.page-about .about-team__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  margin-top: 30px;
}

.page-about .about-team__table-wrap {
  overflow-x: auto;
  border: 1px solid var(--rule);
}

.page-about .about-team__table {
  width: 100%;
  min-width: 420px;
  border-collapse: collapse;
  font-size: 14px;
  color: var(--paper);
}

.page-about .about-team__caption {
  text-align: left;
  padding: 10px 12px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist);
  background: var(--panel);
}

.page-about .about-team__table th,
.page-about .about-team__table td {
  padding: 13px 12px;
  text-align: left;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
}

.page-about .about-team__table thead th {
  font-size: 11px;
  letter-spacing: 0.12em;
  font-weight: 600;
  color: var(--mist);
  background: var(--panel);
}

.page-about .about-team__table tbody th {
  font-weight: 600;
  color: var(--paper);
  white-space: nowrap;
}

.page-about .about-team__table tbody td {
  color: var(--mist);
  line-height: 1.62;
}

.page-about .about-team__table tbody td.data-num {
  font-family: var(--mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--lime);
  white-space: nowrap;
}

.page-about .about-team__table tbody tr:last-child th,
.page-about .about-team__table tbody tr:last-child td {
  border-bottom: 0;
}

.page-about .about-team__media {
  margin: 0;
}

.page-about .about-team__media .media-frame {
  border: 1px solid var(--edge);
}

.page-about .about-team__caption-text {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

/* ---------- Collaboration ---------- */
.page-about .about-collab {
  background: var(--paper);
  color: var(--carbon);
}

.page-about .about-collab__eyebrow {
  color: var(--rust);
}

.page-about .about-collab__title {
  margin-top: 12px;
  color: var(--carbon);
}

.page-about .about-collab__lede {
  color: var(--paper-mist);
}

.page-about .about-collab__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin-top: 32px;
  border-top: 1px solid var(--paper-rule);
}

.page-about .about-collab__figure {
  padding: 22px 0 24px;
  border-bottom: 1px solid var(--paper-rule);
}

.page-about .about-collab__num {
  display: block;
  font-family: var(--mono);
  font-size: clamp(2.2rem, 8vw, 3.2rem);
  font-weight: 700;
  line-height: 1;
  color: var(--carbon);
}

.page-about .about-collab__unit {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--rust);
}

.page-about .about-collab__figure p {
  margin-top: 12px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--paper-mist);
  max-width: 44ch;
}

.page-about .about-collab__tail {
  margin-top: 28px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--paper-mist);
}

.page-about .about-collab__tail a {
  color: var(--carbon);
  border-bottom-color: var(--rust);
}

.page-about .about-collab__tail a:hover {
  border-bottom-color: var(--carbon);
}

/* ---------- Responsive ---------- */
@media (min-width: 700px) {
  .page-about .about-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-about .about-do__cols {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    background: transparent;
  }

  .page-about .about-card {
    padding: 26px 22px 26px 0;
    border-bottom: 0;
    border-right: 1px solid var(--rule);
  }

  .page-about .about-card + .about-card {
    padding-left: 22px;
  }

  .page-about .about-card:last-child {
    border-right: 0;
    padding-right: 0;
  }

  .page-about .about-legend__item {
    grid-template-columns: 56px 88px minmax(0, 1fr);
    padding: 16px 16px;
  }

  .page-about .about-collab__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 32px;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero {
    padding-top: clamp(28px, 3vw, 48px);
  }

  .page-about .about-hero__wrap {
    grid-template-columns: minmax(0, 1fr) 72px;
    gap: 48px;
    align-items: start;
    margin-top: 34px;
  }

  .page-about .about-hero__rail {
    display: flex;
    justify-content: flex-end;
    padding-top: 8px;
  }

  .page-about .about-hero__rail .rail-note {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    letter-spacing: 0.16em;
    font-size: 11px;
    color: var(--mist);
  }

  .page-about .about-row {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 56px;
  }

  .page-about .about-rail {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: 0 0 0 16px;
    border-bottom: 0;
    border-left: 1px solid var(--rule);
    position: sticky;
    top: 96px;
  }

  .page-about .about-rail__index {
    font-size: 13px;
  }

  .page-about .about-rail__name {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    letter-spacing: 0.2em;
    font-size: 11px;
  }

  .page-about .about-coverage__body {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 44px;
    align-items: center;
  }

  .page-about .about-map {
    padding: 18px;
    gap: 6px;
  }

  .page-about .about-path__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }

  .page-about .about-timeline__item {
    padding-left: 36px;
    padding-bottom: 34px;
  }
}

@media (min-width: 1180px) {
  .page-about .about-hero__lede {
    max-width: 52ch;
  }

  .page-about .about-row {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 72px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-map__cell,
  .page-about .about-timeline__node,
  .page-about .expand__mark,
  .page-about .about-timeline__toggle {
    transition: none;
  }
}