.page-about {
  --about-rail: 24px;
  --about-pad: clamp(52px, 8vw, 112px);
  background: var(--paper);
  color: var(--ink);
}

.page-about,
.page-about *,
.page-about *::before,
.page-about *::after {
  box-sizing: border-box;
}

.page-about .num {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}

.page-about .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(20, 17, 15, 0.58);
}

.page-about .breadcrumb a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

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

.page-about .breadcrumb__sep {
  color: rgba(20, 17, 15, 0.3);
}

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

.page-about .about-hero {
  padding: clamp(22px, 3.5vw, 40px) 0 clamp(44px, 6vw, 84px);
}

.page-about .about-hero__grid {
  display: grid;
  gap: clamp(30px, 5vw, 56px);
  margin-top: clamp(26px, 4vw, 46px);
}

.page-about .about-hero__lead .eyebrow {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ochre);
  margin: 0;
}

.page-about .about-hero__lead .display {
  font-size: clamp(38px, 7.6vw, 92px);
  line-height: 0.98;
  letter-spacing: -0.03em;
  font-weight: 700;
  margin: clamp(14px, 2vw, 22px) 0 clamp(20px, 3vw, 30px);
  max-width: 13em;
}

.page-about .about-hero__lead .lede {
  font-size: clamp(15.5px, 1.6vw, 18px);
  line-height: 1.78;
  max-width: 34em;
  margin: 0;
  color: rgba(20, 17, 15, 0.8);
}

.page-about .about-hero__index {
  border-top: 1px solid var(--line-strong);
  padding-top: 14px;
}

.page-about .about-hero__index-title {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(20, 17, 15, 0.5);
  margin: 0 0 12px;
}

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

.page-about .about-hero__index a {
  display: grid;
  grid-template-columns: 26px 1fr auto;
  align-items: baseline;
  gap: 10px;
  padding: 11px 6px 11px 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: var(--ink);
  font-size: 14px;
  line-height: 1.4;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.page-about .about-hero__index a:hover {
  color: var(--ochre);
  border-bottom-color: var(--ochre);
  padding-left: 6px;
}

.page-about .about-hero__index a .num {
  color: var(--ochre);
  font-size: 12px;
}

.page-about .about-hero__index-sub {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: rgba(20, 17, 15, 0.45);
  text-align: right;
}

/* ---------- chapter shell ---------- */

.page-about .about-chapter {
  padding: var(--about-pad) 0;
  border-top: 1px solid var(--line);
}

.page-about .about-chapter__head {
  max-width: 44em;
  margin-bottom: clamp(26px, 4vw, 48px);
}

.page-about .about-chapter .index-num {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ochre);
  margin: 0 0 10px;
}

.page-about .about-chapter .h2 {
  font-size: clamp(25px, 3.7vw, 44px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 700;
  margin: 0 0 14px;
}

.page-about .about-chapter__intro {
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.78;
  color: rgba(20, 17, 15, 0.74);
  margin: 0;
  max-width: 40em;
}

.page-about .about-link {
  color: var(--lake);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 110, 106, 0.4);
  transition: border-color 0.2s var(--ease);
}

.page-about .about-link:hover {
  border-bottom-color: var(--lake);
}

/* ---------- timeline ---------- */

.page-about .about-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: -8px 0 clamp(28px, 4vw, 44px);
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
}

.page-about .about-jump a {
  color: rgba(20, 17, 15, 0.56);
  text-decoration: none;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--line);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

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

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

.page-about .about-stages::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 12px;
  bottom: 30px;
  width: 1px;
  background: var(--line-strong);
}

.page-about .about-stage {
  position: relative;
  display: grid;
  grid-template-columns: var(--about-rail) minmax(0, 1fr);
  column-gap: 14px;
  padding-bottom: clamp(30px, 4.5vw, 58px);
  scroll-margin-top: 90px;
}

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

.page-about .about-stage__axis {
  position: relative;
}

.page-about .about-stage__axis::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 9px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--paper);
  border: 1px solid var(--ochre);
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-about .about-stage:hover .about-stage__axis::before {
  background: var(--ochre);
}

.page-about .about-stage__body {
  padding: clamp(14px, 2vw, 22px) clamp(14px, 2vw, 24px);
  border-radius: 2px;
  transition: box-shadow 0.28s var(--ease), background-color 0.28s var(--ease);
}

.page-about .about-stage:hover .about-stage__body,
.page-about .about-stage:focus-within .about-stage__body {
  box-shadow: inset 0 0 0 1px var(--line-strong);
  background: rgba(184, 69, 43, 0.035);
}

.page-about .about-stage__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 8px;
}

.page-about .about-stage__meta .eyebrow {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(20, 17, 15, 0.55);
}

.page-about .about-stage__tag {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  padding: 2px 8px;
  border-radius: 2px;
  background: var(--ochre-soft);
  color: var(--ochre-deep);
}

.page-about .about-stage__title {
  font-size: clamp(19px, 2.2vw, 26px);
  line-height: 1.26;
  letter-spacing: -0.01em;
  font-weight: 700;
  margin: 0 0 10px;
}

.page-about .about-stage__body .prose {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(20, 17, 15, 0.78);
  max-width: 40em;
}

.page-about .about-stage__note {
  margin: 12px 0 0;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: rgba(20, 17, 15, 0.5);
}

.page-about .about-stage__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 14px 0 0;
  font-size: 13px;
  color: rgba(20, 17, 15, 0.66);
}

.page-about .about-stage__facts b {
  font-size: 16px;
  font-weight: 700;
  color: var(--lake);
  margin-right: 4px;
}

/* ---------- band + team ---------- */

.page-about .about-band {
  border-top: 0;
  background: var(--ochre-soft);
  padding-top: calc(var(--about-pad) + 3vw);
  padding-bottom: calc(var(--about-pad) + 3vw);
  clip-path: polygon(0 2.4vw, 100% 0, 100% calc(100% - 2.4vw), 0 100%);
}

.page-about .about-team {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-about .about-team__text .prose {
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(20, 17, 15, 0.8);
  max-width: 40em;
}

.page-about .about-bar__label {
  color: var(--ochre-deep);
}

.page-about .about-bars {
  margin-top: clamp(22px, 3vw, 34px);
  padding-top: 20px;
  border-top: 1px solid rgba(122, 42, 25, 0.24);
  display: grid;
  gap: 18px;
}

.page-about .about-bar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px 12px;
  font-size: 13.5px;
}

.page-about .about-bar__label {
  grid-column: 1;
  grid-row: 1;
}

.page-about .about-bar__value {
  grid-column: 2;
  grid-row: 1;
  font-weight: 700;
  color: var(--ochre-deep);
}

.page-about .about-bar__track {
  grid-column: 1 / -1;
  grid-row: 2;
  display: block;
  height: 8px;
  background: rgba(122, 42, 25, 0.16);
}

.page-about .about-bar__fill {
  display: block;
  height: 100%;
  background: var(--ochre);
}

.page-about .about-bar:nth-child(1) .about-bar__fill {
  width: 33.33%;
}

.page-about .about-bar:nth-child(2) .about-bar__fill {
  width: 66.67%;
  background: rgba(122, 42, 25, 0.5);
}

.page-about .media-frame {
  margin: 0;
  overflow: hidden;
  background: rgba(20, 17, 15, 0.06);
}

.page-about .media-frame__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .media-frame__caption {
  font-family: var(--mono);
  font-size: 11.5px;
  line-height: 1.65;
  color: rgba(20, 17, 15, 0.58);
  padding: 10px 0 0;
}

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

/* ---------- versions ---------- */

.page-about .about-versions {
  border-top: 0;
  background: var(--ochre-deep);
  color: var(--paper);
  padding-top: calc(var(--about-pad) + 2vw);
  padding-bottom: calc(var(--about-pad) + 2vw);
}

.page-about .about-versions .index-num {
  color: var(--lime);
}

.page-about .about-versions .h2 {
  color: var(--paper);
}

.page-about .about-versions .about-chapter__intro {
  color: rgba(247, 244, 239, 0.76);
}

.page-about .about-vers {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(22px, 3vw, 34px);
}

.page-about .about-ver {
  border-top: 2px solid rgba(247, 244, 239, 0.3);
  padding-top: 14px;
}

.page-about .about-ver__num {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(26px, 3.2vw, 38px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
  margin: 0 0 10px;
  color: var(--paper);
}

.page-about .about-ver h3 {
  font-size: 15.5px;
  line-height: 1.4;
  font-weight: 700;
  letter-spacing: 0.01em;
  margin: 0 0 8px;
  color: var(--lime);
}

.page-about .about-ver p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(247, 244, 239, 0.78);
}

.page-about .about-vers__figure {
  margin-top: clamp(34px, 5vw, 60px);
}

.page-about .about-versions .media-frame__caption {
  color: rgba(247, 244, 239, 0.6);
}

.page-about .about-vers__after {
  display: grid;
  gap: clamp(12px, 2vw, 18px);
  margin-top: clamp(32px, 5vw, 54px);
  padding-top: clamp(20px, 3vw, 28px);
  border-top: 1px solid rgba(247, 244, 239, 0.22);
}

.page-about .about-vers__count {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(56px, 10vw, 118px);
  line-height: 0.86;
  font-weight: 700;
  letter-spacing: -0.04em;
  margin: 0;
  color: var(--lime);
}

.page-about .about-vers__after-title {
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
  color: var(--paper);
}

.page-about .about-vers__after-text .prose {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  max-width: 36em;
  color: rgba(247, 244, 239, 0.78);
}

/* ---------- matrix ---------- */

.page-about .about-matrix {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(18px, 3vw, 30px) clamp(16px, 2.4vw, 26px);
}

.page-about .about-cell {
  border-top: 1px solid var(--line-strong);
  padding-top: 14px;
  min-width: 0;
}

.page-about .about-cell--wide {
  grid-column: span 2;
}

.page-about .about-cell--mid,
.page-about .about-cell--small {
  grid-column: span 1;
}

.page-about .about-cell__k {
  display: block;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(20, 17, 15, 0.52);
  margin-bottom: 8px;
}

.page-about .about-cell__v {
  display: block;
  font-size: clamp(17px, 2.1vw, 25px);
  font-weight: 700;
  line-height: 1.24;
  letter-spacing: -0.01em;
}

.page-about .about-cell__note {
  display: block;
  margin-top: 7px;
  font-size: 13px;
  line-height: 1.66;
  color: rgba(20, 17, 15, 0.62);
}

.page-about .about-hl {
  background: linear-gradient(transparent 62%, var(--yellow) 62%);
  padding: 0 0.06em;
}

.page-about .about-quality {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  margin-top: clamp(30px, 4.5vw, 48px);
}

.page-about .about-quality__item {
  border-left: 2px solid var(--lake);
  padding-left: clamp(14px, 2vw, 20px);
}

.page-about .about-quality__title {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
  color: var(--lake);
}

.page-about .about-quality__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(20, 17, 15, 0.76);
  max-width: 34em;
}

/* ---------- origin ---------- */

.page-about .about-origin__inner {
  display: grid;
  gap: clamp(28px, 5vw, 54px);
}

.page-about .about-origin__figure {
  margin: 0;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 38px), 0 100%);
  background: var(--paper);
}

.page-about .about-origin__figure .media-frame__caption {
  padding-bottom: 22px;
}

.page-about .about-origin__text .index-num {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--lake);
  margin: 0 0 10px;
}

.page-about .about-origin__text .h2 {
  font-size: clamp(25px, 3.7vw, 44px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 700;
  margin: 0 0 16px;
}

.page-about .about-origin__text .prose {
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(20, 17, 15, 0.8);
  max-width: 38em;
}

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

/* ---------- next ---------- */

.page-about .about-next {
  padding: clamp(40px, 6vw, 80px) 0 clamp(52px, 8vw, 104px);
  border-top: 1px solid var(--line);
}

.page-about .about-next .eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(20, 17, 15, 0.5);
  margin: 0 0 16px;
}

.page-about .about-next__links {
  display: grid;
}

.page-about .about-next__link {
  display: grid;
  gap: 3px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: var(--ink);
  font-size: clamp(17px, 2.1vw, 23px);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.3;
  transition: color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.page-about .about-next__link span {
  font-size: 13.5px;
  font-weight: 400;
  letter-spacing: 0;
  color: rgba(20, 17, 15, 0.58);
}

.page-about .about-next__link:hover {
  color: var(--ochre);
  padding-left: 10px;
}

/* ---------- responsive ---------- */

@media (min-width: 720px) {
  .page-about .about-matrix {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-about .about-cell--wide {
    grid-column: span 3;
  }

  .page-about .about-cell--mid,
  .page-about .about-cell--small {
    grid-column: span 2;
  }

  .page-about .about-vers__after {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    column-gap: clamp(24px, 4vw, 56px);
  }
}

@media (min-width: 860px) {
  .page-about .about-hero__lead .display {
    max-width: 11em;
  }

  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(250px, 0.75fr);
    align-items: end;
    gap: clamp(32px, 5vw, 76px);
  }

  .page-about .about-stages::before {
    left: 85px;
    bottom: 44px;
  }

  .page-about .about-stage {
    grid-template-columns: 88px minmax(0, 1fr);
    column-gap: clamp(24px, 4vw, 52px);
  }

  .page-about .about-stage__axis::before {
    left: 80px;
    top: 12px;
  }

  .page-about .about-stage:nth-child(1) .about-stage__body {
    max-width: 68%;
  }

  .page-about .about-stage:nth-child(2) .about-stage__body {
    max-width: 76%;
  }

  .page-about .about-stage:nth-child(3) .about-stage__body {
    max-width: 85%;
  }

  .page-about .about-stage:nth-child(4) .about-stage__body {
    max-width: 93%;
  }

  .page-about .about-stage:nth-child(5) .about-stage__body {
    max-width: 100%;
  }

  .page-about .about-team {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
  }

  .page-about .about-vers {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(22px, 3vw, 40px);
    padding-bottom: 84px;
  }

  .page-about .about-ver:nth-child(2) {
    margin-top: 40px;
  }

  .page-about .about-ver:nth-child(3) {
    margin-top: 80px;
  }

  .page-about .about-quality {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(28px, 4vw, 56px);
  }

  .page-about .about-origin__inner {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: start;
  }

  .page-about .about-next__link:nth-child(1) {
    max-width: 62%;
  }

  .page-about .about-next__link:nth-child(2) {
    max-width: 80%;
    margin-left: 12%;
  }

  .page-about .about-next__link:nth-child(3) {
    max-width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-stage__body,
  .page-about .about-stage__axis::before,
  .page-about .about-hero__index a,
  .page-about .about-next__link {
    transition: none;
  }
}
<<<END>>>