.page-about {
  --about-rail: 74px;
  --about-gap: 52px;
  --about-line: rgba(31, 34, 38, .12);
  --about-line-dark: rgba(216, 210, 198, .16);
  --about-dim: rgba(244, 241, 234, .58);
  background: var(--c-warm);
  color: var(--c-text);
  display: block;
}

.page-about .num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -.01em;
}

/* ---------- Hero ---------- */
.page-about .about-hero {
  position: relative;
  background: var(--c-ink);
  color: var(--c-warm);
  padding: clamp(42px, 8vw, 96px) 0 clamp(38px, 6vw, 74px);
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: min(46%, 520px);
  height: 3px;
  background: linear-gradient(90deg, var(--c-red), var(--c-red-deep) 60%, transparent);
}

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

.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  position: relative;
  z-index: 1;
}

.page-about .about-hero__eyebrow {
  color: var(--c-sand);
  margin: 0 0 16px;
}

.page-about .about-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.6vw, 60px);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--c-warm);
  margin: 0 0 22px;
  max-width: 17ch;
}

.page-about .about-hero__lead {
  max-width: 62ch;
  color: rgba(244, 241, 234, .82);
  margin: 0;
}

.page-about .about-hero__facts {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 14px 40px;
  margin: 30px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--about-line-dark);
}

.page-about .about-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13px;
  color: var(--about-dim);
}

.page-about .about-hero__facts .num {
  font-size: clamp(22px, 3vw, 30px);
  color: var(--c-neon);
  line-height: 1;
}

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

/* ---------- Chapter shell ---------- */
.page-about .about-chapter {
  padding: clamp(44px, 7vw, 88px) 0;
}

.page-about .about-chapter__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-about .about-chapter__rail {
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-about .about-chapter__no {
  font-size: 15px;
  color: var(--c-sand);
  letter-spacing: .06em;
  line-height: 1;
}

.page-about .about-chapter__tag {
  margin: 0;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--c-muted);
}

.page-about .about-chapter__rail--dark .about-chapter__tag {
  color: var(--about-dim);
}

.page-about .about-chapter__body {
  min-width: 0;
}

.page-about .about-chapter__body .section-title {
  margin: 0 0 20px;
  font-size: clamp(22px, 3.2vw, 32px);
  line-height: 1.32;
  letter-spacing: -.01em;
  color: var(--c-text);
}

.page-about .section-title--light {
  color: var(--c-warm);
}

.page-about .about-chapter__body p {
  margin: 0 0 16px;
  font-size: 17px;
  line-height: 1.8;
  max-width: 68ch;
}

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

.page-about .about-chapter__body a {
  color: var(--c-red);
  text-decoration: none;
  border-bottom: 1px solid rgba(140, 28, 36, .35);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

.page-about .about-chapter__body a:hover {
  color: var(--c-red-deep);
  border-bottom-color: var(--c-red-deep);
}

/* ---------- 02 scale ---------- */
.page-about .about-scale {
  background: var(--c-ink);
  color: var(--c-warm);
  padding: clamp(44px, 7vw, 88px) 0;
  position: relative;
}

.page-about .about-scale::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--sand-line);
}

.page-about .about-scale .about-chapter__body p,
.page-about .about-services .about-chapter__body p {
  color: rgba(244, 241, 234, .78);
}

.page-about .about-scale__intro {
  margin-top: 4px;
}

.page-about .about-scale__grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(30px, 4vw, 52px) 0 0;
  padding: 1px;
  background: var(--about-line-dark);
  border: 1px solid var(--about-line-dark);
}

.page-about .about-scale__cell {
  position: relative;
  background: var(--c-ink);
  padding: 24px 18px 34px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: background .25s var(--ease);
}

.page-about .about-scale__cell:hover,
.page-about .about-scale__cell:focus-within {
  background: var(--c-graphite);
}

.page-about .about-scale__cell::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 16px;
  height: 2px;
  background: var(--c-neon);
  opacity: .45;
  transform: scaleX(.24);
  transform-origin: left center;
  transition: transform .45s var(--ease), opacity .35s var(--ease);
}

.page-about .about-scale__cell:hover::after,
.page-about .about-scale__cell:focus-within::after {
  opacity: 1;
  transform: scaleX(1);
}

.page-about .about-scale__num {
  font-size: clamp(32px, 5vw, 56px);
  line-height: 1;
  color: var(--c-warm);
}

.page-about .about-scale__label {
  font-size: 15px;
  font-weight: 700;
  color: var(--c-warm);
}

.page-about .about-scale__note {
  font-size: 13px;
  line-height: 1.65;
  color: var(--about-dim);
}

/* ---------- 03 team ---------- */
.page-about .about-team {
  padding: clamp(44px, 7vw, 88px) 0 clamp(30px, 5vw, 60px);
  background: var(--c-warm);
}

.page-about .about-team__list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  border-top: 1px solid var(--about-line);
}

.page-about .about-team__row {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  grid-template-areas:
    "count role"
    "count desc";
  gap: 4px 16px;
  align-items: start;
  padding: 18px 12px 18px 10px;
  border-bottom: 1px solid var(--about-line);
  position: relative;
  transition: background .25s var(--ease), box-shadow .25s var(--ease);
}

.page-about .about-team__row::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--c-sand);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform .3s var(--ease);
}

.page-about .about-team__row:hover,
.page-about .about-team__row:focus-within {
  background: rgba(201, 162, 84, .09);
  box-shadow: inset 0 0 0 1px rgba(201, 162, 84, .22);
}

.page-about .about-team__row:hover::before,
.page-about .about-team__row:focus-within::before {
  transform: scaleY(1);
}

.page-about .about-team__count {
  grid-area: count;
  font-size: 30px;
  line-height: 1;
  color: var(--c-red);
  padding-top: 2px;
}

.page-about .about-team__role {
  grid-area: role;
  font-size: 17px;
  font-weight: 700;
  color: var(--c-text);
}

.page-about .about-team__desc {
  grid-area: desc;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-muted);
}

.page-about .about-team__figure {
  margin-top: clamp(26px, 4vw, 46px);
}

/* ---------- media ---------- */
.page-about .media {
  margin: 0;
  position: relative;
}

.page-about .media__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--about-line);
  background: var(--c-graphite);
}

.page-about .media__cap {
  margin-top: 10px;
  font-size: 13px;
  color: var(--c-muted);
  letter-spacing: .02em;
}

/* ---------- 04 versions ---------- */
.page-about .about-versions {
  background: var(--c-warm);
  padding: clamp(44px, 7vw, 88px) 0;
  border-top: 1px solid var(--about-line);
}

.page-about .about-timeline__wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  margin-top: clamp(28px, 4vw, 48px);
}

.page-about .about-timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 26px;
  position: relative;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: linear-gradient(180deg, rgba(74, 98, 114, .55), rgba(74, 98, 114, .18));
}

.page-about .about-timeline__item {
  position: relative;
  border-bottom: 1px solid var(--about-line);
  padding: 0;
}

.page-about .about-timeline__item:first-child {
  border-top: 1px solid var(--about-line);
}

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 20px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--c-warm);
  border: 2px solid var(--c-sand);
  box-sizing: border-box;
  transition: background .25s var(--ease), transform .25s var(--ease), border-color .25s var(--ease);
  z-index: 1;
}

.page-about .about-timeline__item:hover::before,
.page-about .about-timeline__item:focus-within::before {
  background: var(--c-sand);
  border-color: var(--c-slate);
  transform: scale(1.18);
}

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

.page-about .about-timeline__trigger {
  width: 100%;
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) 18px;
  align-items: center;
  gap: 10px;
  padding: 16px 0;
  background: transparent;
  border: 0;
  font: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.page-about .about-timeline__ver {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--c-slate);
}

.page-about .about-timeline__name {
  font-size: 16px;
  font-weight: 700;
  color: var(--c-text);
  line-height: 1.45;
}

.page-about .about-timeline__mark {
  position: relative;
  width: 18px;
  height: 18px;
  border: 1px solid var(--c-hair);
  justify-self: end;
  flex: none;
}

.page-about .about-timeline__mark::before,
.page-about .about-timeline__mark::after {
  content: "";
  position: absolute;
  background: var(--c-slate);
  transition: transform .28s var(--ease), opacity .28s var(--ease);
}

.page-about .about-timeline__mark::before {
  left: 50%;
  top: 4px;
  bottom: 4px;
  width: 1px;
  transform: translateX(-50%);
}

.page-about .about-timeline__mark::after {
  top: 50%;
  left: 4px;
  right: 4px;
  height: 1px;
  transform: translateY(-50%);
}

.page-about .about-timeline__trigger[aria-expanded="true"] .about-timeline__mark::before {
  transform: translateX(-50%) scaleY(0);
  opacity: 0;
}

.page-about .about-timeline__trigger[aria-expanded="true"] .about-timeline__mark {
  border-color: var(--c-sand);
}

.page-about .about-timeline__panel[hidden],
.page-about .about-services__panel[hidden] {
  display: none;
}

.page-about .about-timeline__panel .expand__body {
  padding: 0 0 20px;
}

.page-about .about-timeline__panel .expand__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-muted);
  max-width: 62ch;
}

.page-about .about-versions__figure {
  align-self: start;
}

.page-about .about-versions__figure .media__img {
  border-color: var(--c-hair);
}

/* ---------- 05 services ---------- */
.page-about .about-services {
  background: var(--c-ink);
  color: var(--c-warm);
  padding: clamp(44px, 7vw, 88px) 0;
  position: relative;
}

.page-about .about-services::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--sand-line);
}

.page-about .about-services__intro {
  margin-top: 4px;
}

.page-about .about-services__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: clamp(26px, 4vw, 44px);
}

.page-about .about-services__card {
  border: 1px solid var(--about-line-dark);
  background: rgba(255, 255, 255, .025);
  transition: border-color .25s var(--ease), background .25s var(--ease);
}

.page-about .about-services__card:hover,
.page-about .about-services__card:focus-within {
  border-color: var(--sand-line);
  background: rgba(201, 162, 84, .06);
}

.page-about .about-services__trigger {
  width: 100%;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) 18px;
  align-items: center;
  gap: 12px;
  padding: 20px 18px;
  background: transparent;
  border: 0;
  font: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.page-about .about-services__no {
  font-size: 12px;
  color: var(--c-sand);
}

.page-about .about-services__name {
  font-size: 17px;
  font-weight: 700;
  color: var(--c-warm);
}

.page-about .about-services__mark {
  position: relative;
  width: 16px;
  height: 16px;
  justify-self: end;
  border: 1px solid var(--about-line-dark);
}

.page-about .about-services__mark::before,
.page-about .about-services__mark::after {
  content: "";
  position: absolute;
  background: var(--c-sand);
  transition: transform .28s var(--ease), opacity .28s var(--ease);
}

.page-about .about-services__mark::before {
  left: 50%;
  top: 3px;
  bottom: 3px;
  width: 1px;
  transform: translateX(-50%);
}

.page-about .about-services__mark::after {
  top: 50%;
  left: 3px;
  right: 3px;
  height: 1px;
  transform: translateY(-50%);
}

.page-about .about-services__trigger[aria-expanded="true"] .about-services__mark::before {
  transform: translateX(-50%) scaleY(0);
  opacity: 0;
}

.page-about .about-services__panel .expand__body {
  padding: 0 18px 20px;
}

.page-about .about-services__panel .expand__body p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(244, 241, 234, .74);
  max-width: 52ch;
}

.page-about .about-services__fit {
  font-size: 13px !important;
  color: var(--c-neon) !important;
  letter-spacing: .01em;
  padding-top: 6px;
  border-top: 1px solid var(--about-line-dark);
}

/* ---------- 06 region ---------- */
.page-about .about-region {
  background: var(--c-warm);
  padding: clamp(44px, 7vw, 88px) 0;
  border-top: 1px solid var(--about-line);
}

.page-about .about-region__figure {
  margin-top: clamp(26px, 4vw, 46px);
}

.page-about .about-region__figure .media__img {
  border-color: var(--c-hair);
}

/* ---------- CTA ---------- */
.page-about .about-cta {
  background: linear-gradient(180deg, var(--c-ink) 0%, var(--c-red-deep) 100%);
  color: var(--c-warm);
  padding: clamp(44px, 7vw, 84px) 0;
}

.page-about .about-cta__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  align-items: start;
}

.page-about .about-cta__eyebrow {
  color: var(--c-sand);
  margin: 0 0 14px;
}

.page-about .about-cta__title {
  margin: 0 0 16px;
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--c-warm);
}

.page-about .about-cta__text p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(244, 241, 234, .78);
  max-width: 58ch;
}

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

.page-about .about-cta__link {
  font-size: 14px;
  color: rgba(244, 241, 234, .74);
  text-decoration: none;
  border-bottom: 1px solid rgba(244, 241, 234, .35);
  padding-bottom: 2px;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-about .about-cta__link:hover {
  color: var(--c-neon);
  border-bottom-color: var(--c-neon);
}

/* ---------- breakpoints ---------- */
@media (min-width: 640px) {
  .page-about .about-services__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-about .about-team__row {
    grid-template-columns: 82px minmax(0, 1fr);
    grid-template-areas: "count role desc";
    align-items: center;
    gap: 20px;
    padding: 20px 16px 20px 14px;
  }

  .page-about .about-team__count {
    font-size: 34px;
  }

  .page-about .about-scale__cell {
    padding: 28px 24px 40px;
  }

  .page-about .about-scale__cell::after {
    left: 24px;
    right: 24px;
    bottom: 18px;
  }
}

@media (min-width: 900px) {
  .page-about .about-chapter__grid {
    grid-template-columns: var(--about-rail) minmax(0, 1fr);
    gap: var(--about-gap);
  }

  .page-about .about-chapter__rail {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
    align-self: start;
    position: sticky;
    top: 118px;
  }

  .page-about .about-chapter__tag {
    writing-mode: vertical-rl;
    letter-spacing: .26em;
    padding-top: 4px;
  }

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

  .page-about .about-team__row {
    grid-template-columns: 92px minmax(0, 200px) minmax(0, 1fr);
  }
}

@media (min-width: 1024px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1fr) 96px;
    gap: 48px;
    align-items: end;
  }

  .page-about .about-hero__aside {
    display: block;
    justify-self: end;
    align-self: end;
    padding-bottom: 6px;
  }

  .page-about .about-hero__stamp {
    writing-mode: vertical-rl;
    margin: 0;
    font-size: 12px;
    letter-spacing: .3em;
    color: var(--c-sand);
    max-height: 260px;
    white-space: nowrap;
  }

  .page-about .about-timeline__wrap {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: 64px;
    align-items: start;
  }

  .page-about .about-versions__figure {
    position: sticky;
    top: 132px;
    margin-top: 6px;
  }

  .page-about .about-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 48px;
    align-items: center;
  }

  .page-about .about-cta__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1240px) {
  .page-about .about-scale__grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    transition-duration: .001ms !important;
    animation-duration: .001ms !important;
  }
}