.page-about {
  --ab-hair: 1px solid rgba(22, 26, 29, .14);
  --ab-hair-strong: 1px solid rgba(22, 26, 29, .26);
  --ab-hair-light: 1px solid rgba(251, 251, 247, .18);
  background: var(--paper);
  color: var(--ink);
  padding-bottom: clamp(40px, 6vw, 80px);
}

.page-about .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: clamp(16px, 3vw, 28px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: rgba(22, 26, 29, .58);
}

.page-about .breadcrumb a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .18s var(--ease);
}

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

/* ---------- Hero ---------- */
.page-about .about-hero {
  padding: clamp(18px, 3vw, 34px) 0 clamp(36px, 6vw, 72px);
}

.page-about .about-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-about .about-hero__copy .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--red);
  margin: 0 0 14px;
}

.page-about .about-hero__copy h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6.2vw, 58px);
  line-height: 1.1;
  letter-spacing: -.01em;
  max-width: 16em;
}

.page-about .about-hero__copy .lede {
  margin: 0;
  max-width: 34em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.75;
  color: rgba(22, 26, 29, .78);
}

.page-about .about-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(24px, 3.4vw, 36px);
  background: rgba(22, 26, 29, .16);
  border: 1px solid rgba(22, 26, 29, .16);
}

.page-about .about-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 12px;
  background: var(--white);
}

.page-about .about-stat__num {
  font-family: var(--font-num);
  font-size: clamp(30px, 4.6vw, 44px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--navy);
}

.page-about .about-stat__k {
  font-size: 12px;
  line-height: 1.45;
  color: rgba(22, 26, 29, .62);
}

.page-about .about-hero__visual {
  position: relative;
  overflow: hidden;
  min-height: 260px;
  border: 1px solid rgba(14, 34, 56, .24);
  background: var(--navy);
}

.page-about .about-hero__visual::before {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 58%;
  height: 62%;
  background-image: conic-gradient(var(--red) 25%, transparent 0 50%, var(--red) 0 75%, transparent 0);
  background-size: 22px 22px;
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
  opacity: .94;
}

.page-about .about-hero__board {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 6px;
  min-height: 260px;
  height: 100%;
  padding: clamp(22px, 3.4vw, 40px);
  background: linear-gradient(200deg, rgba(14, 34, 56, .98) 0%, rgba(14, 34, 56, .72) 100%);
  clip-path: polygon(0 0, 100% 0, 100% 70%, 76% 100%, 0 100%);
}

.page-about .about-board__num {
  font-family: var(--font-num);
  font-size: clamp(66px, 12vw, 118px);
  font-weight: 800;
  line-height: .82;
  letter-spacing: -.03em;
  color: var(--white);
}

.page-about .about-board__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--gold);
}

.page-about .about-board__range {
  font-family: var(--font-num);
  font-size: 16px;
  letter-spacing: .12em;
  color: rgba(251, 251, 247, .66);
}

/* ---------- Chapters ---------- */
.page-about .about-flow {
  display: block;
}

.page-about .about-chapter {
  padding: clamp(34px, 5vw, 68px) 0;
  border-top: var(--ab-hair-strong);
}

.page-about .about-chapter__head {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2.4vw, 26px);
  margin-bottom: clamp(18px, 2.6vw, 30px);
}

.page-about .about-chapter__num {
  flex: none;
  font-family: var(--font-num);
  font-size: clamp(34px, 5.6vw, 68px);
  font-weight: 800;
  line-height: .9;
  letter-spacing: -.02em;
  color: var(--red);
}

.page-about .about-chapter__title {
  margin: 0;
  flex: none;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 3vw, 32px);
  line-height: 1.25;
  letter-spacing: -.01em;
}

.page-about .about-chapter__head::after {
  content: "";
  flex: 1 1 auto;
  min-width: 20px;
  height: 1px;
  background: rgba(22, 26, 29, .2);
}

.page-about .about-chapter__lede {
  margin: 0 0 clamp(20px, 3vw, 32px);
  max-width: 44em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.75;
  color: rgba(22, 26, 29, .78);
}

.page-about .about-chapter__text p {
  margin: 0 0 16px;
  font-size: clamp(15px, 1.6vw, 16.5px);
  line-height: 1.8;
  color: rgba(22, 26, 29, .82);
}

.page-about .about-chapter__text p:last-of-type {
  margin-bottom: 0;
}

.page-about .about-split {
  display: grid;
  gap: clamp(22px, 3.4vw, 42px);
}

/* ---------- Lists & figures ---------- */
.page-about .about-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  border-top: var(--ab-hair);
}

.page-about .about-list li {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 12px;
  padding: 13px 0;
  border-bottom: var(--ab-hair);
  font-size: 14.5px;
  line-height: 1.65;
  color: rgba(22, 26, 29, .8);
}

.page-about .about-list__k {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--green);
  padding-top: 2px;
}

.page-about .about-figure {
  position: relative;
  margin: 0;
  background: var(--white);
  border: var(--ab-hair-strong);
  overflow: hidden;
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .about-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(22, 26, 29, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 26, 29, .055) 1px, transparent 1px);
  background-size: 34px 34px;
}

.page-about .about-figure figcaption {
  position: relative;
  z-index: 1;
  padding: 10px 14px;
  border-top: var(--ab-hair);
  background: var(--white);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: rgba(22, 26, 29, .6);
}

/* ---------- Steps ---------- */
.page-about .about-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--ab-hair-strong);
}

.page-about .about-step {
  display: grid;
  gap: 6px;
  padding: clamp(16px, 2.4vw, 24px) 0;
  border-bottom: var(--ab-hair);
}

.page-about .about-step__no {
  font-family: var(--font-num);
  font-size: 24px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--green);
}

.page-about .about-step__who {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--red);
}

.page-about .about-step__what {
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(22, 26, 29, .8);
}

/* ---------- Metrics ---------- */
.page-about .about-metrics {
  display: grid;
  gap: 1px;
  margin-top: clamp(22px, 3vw, 34px);
  background: rgba(22, 26, 29, .16);
  border: 1px solid rgba(22, 26, 29, .16);
}

.page-about .about-metric {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 14px;
  background: var(--white);
}

.page-about .about-metric__num {
  font-family: var(--font-num);
  font-size: clamp(26px, 3.6vw, 34px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.01em;
  color: var(--navy);
}

.page-about .about-metric__k {
  font-size: 12.5px;
  line-height: 1.5;
  color: rgba(22, 26, 29, .62);
}

/* ---------- Timeline ---------- */
.page-about .about-timeline-wrap {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

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

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 10px;
  bottom: 12px;
  width: 1px;
  background: rgba(22, 26, 29, .22);
}

.page-about .about-timeline__item {
  position: relative;
  padding: 0 0 clamp(22px, 3.2vw, 34px) 38px;
}

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

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  width: 19px;
  height: 19px;
  background: var(--paper);
  border: 2px solid var(--green);
}

.page-about .about-timeline__item--mark::before {
  background: var(--gold);
  border-color: var(--ink);
}

.page-about .about-timeline__year {
  display: block;
  font-family: var(--font-num);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--green);
  margin-bottom: 6px;
}

.page-about .about-timeline__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
}

.page-about .about-timeline__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(22, 26, 29, .76);
}

.page-about .about-figure--wall {
  border-color: rgba(14, 34, 56, .3);
}

/* ---------- Roles ---------- */
.page-about .about-roles {
  border-top: var(--ab-hair-strong);
  padding-top: clamp(14px, 2vw, 20px);
}

.page-about .about-role {
  background: var(--white);
  border: var(--ab-hair-strong);
  border-radius: 0;
  overflow: hidden;
  transition: border-color .18s var(--ease);
}

.page-about .about-role + .about-role {
  margin-top: 10px;
}

.page-about .about-role[open] {
  border-color: rgba(215, 38, 61, .42);
}

.page-about .about-role__summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
}

.page-about .about-role__summary::-webkit-details-marker {
  display: none;
}

.page-about .about-role__summary:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: -3px;
}

.page-about .about-role__name {
  font-family: var(--font-display);
  font-size: 16.5px;
  font-weight: 700;
  letter-spacing: .01em;
}

.page-about .about-role__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--green);
  white-space: nowrap;
}

.page-about .about-role__chev {
  position: relative;
  width: 15px;
  height: 15px;
  flex: none;
}

.page-about .about-role__chev::before,
.page-about .about-role__chev::after {
  content: "";
  position: absolute;
  background: var(--ink);
  transition: transform .2s var(--ease);
}

.page-about .about-role__chev::before {
  left: 0;
  right: 0;
  top: 6px;
  height: 2px;
}

.page-about .about-role__chev::after {
  top: 0;
  bottom: 0;
  left: 6px;
  width: 2px;
}

.page-about .about-role[open] .about-role__chev::after {
  transform: scaleY(0);
}

.page-about .about-role[open] .about-role__summary {
  border-bottom: var(--ab-hair);
}

.page-about .about-role__body {
  padding: 14px 16px 18px;
}

.page-about .about-role__body ul {
  margin: 0;
  padding: 0 0 0 16px;
}

.page-about .about-role__body li {
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(22, 26, 29, .8);
  margin-bottom: 8px;
}

.page-about .about-role__body li:last-child {
  margin-bottom: 0;
}

/* ---------- Partners ---------- */
.page-about .about-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.page-about .about-chip {
  display: inline-block;
  padding: 6px 12px;
  background: var(--white);
  border: 1px solid rgba(22, 26, 29, .2);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .05em;
  color: rgba(22, 26, 29, .8);
}

.page-about .about-chip--green {
  border-color: rgba(31, 77, 70, .4);
  color: var(--green);
}

.page-about .about-panel {
  padding: clamp(20px, 3vw, 28px);
  background: var(--navy);
  color: var(--white);
}

.page-about .about-panel__k {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-about .about-panel__row {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 13px 0;
  border-top: var(--ab-hair-light);
}

.page-about .about-panel__row:last-child {
  border-bottom: var(--ab-hair-light);
}

.page-about .about-panel__num {
  font-family: var(--font-num);
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-about .about-panel__txt {
  font-size: 13.5px;
  line-height: 1.65;
  color: rgba(251, 251, 247, .78);
}

/* ---------- Values ---------- */
.page-about .about-chapter--close {
  border-top: var(--ab-hair-strong);
}

.page-about .about-values {
  display: grid;
  gap: 1px;
  background: rgba(22, 26, 29, .16);
  border: 1px solid rgba(22, 26, 29, .16);
}

.page-about .about-value {
  padding: clamp(18px, 2.6vw, 28px);
  background: var(--white);
}

.page-about .about-value__k {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--red);
}

.page-about .about-value h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
}

.page-about .about-value p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(22, 26, 29, .74);
}

.page-about .about-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

/* ---------- Final ---------- */
.page-about .about-final {
  margin-top: clamp(30px, 5vw, 60px);
  padding: clamp(30px, 5vw, 60px) 0 0;
  border-top: var(--ab-hair-strong);
}

.page-about .about-final__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-about .about-final__copy .eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--red);
}

.page-about .about-final__copy h2 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.4vw, 34px);
  line-height: 1.25;
  letter-spacing: -.01em;
}

.page-about .about-final__copy p {
  margin: 0 0 22px;
  max-width: 32em;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(22, 26, 29, .8);
}

.page-about .about-final__figure {
  margin: 0;
  border: 1px solid rgba(14, 34, 56, .28);
  background: var(--white);
  overflow: hidden;
}

.page-about .about-final__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- Media queries ---------- */
@media (min-width: 560px) {
  .page-about .about-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .about-step {
    grid-template-columns: 54px minmax(0, 1fr);
    align-items: baseline;
    column-gap: 16px;
  }

  .page-about .about-step__no {
    grid-row: span 2;
    font-size: 26px;
  }

  .page-about .about-step__who {
    grid-column: 2;
  }

  .page-about .about-step__what {
    grid-column: 2;
  }
}

@media (min-width: 760px) {
  .page-about .about-values {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .about-final__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr);
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: stretch;
  }

  .page-about .about-hero__visual {
    min-height: 380px;
  }

  .page-about .about-hero__board {
    min-height: 380px;
  }

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

  .page-about .about-split--reverse {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.72fr);
  }

  .page-about .about-chapter {
    padding: clamp(44px, 5.4vw, 76px) 0;
  }
}

@media (min-width: 1000px) {
  .page-about .about-timeline-wrap {
    grid-template-columns: minmax(0, 1fr) 330px;
    align-items: start;
  }

  .page-about .about-timeline-aside {
    position: sticky;
    top: 24px;
  }

  .page-about .about-role__summary {
    padding: 17px 20px;
  }

  .page-about .about-role__body {
    padding: 16px 20px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-role__chev::before,
  .page-about .about-role__chev::after,
  .page-about .about-role,
  .page-about .breadcrumb a {
    transition: none;
  }
}
<<<END>>>