.page-about {
  --about-pad: clamp(50px, 7vw, 98px);
  --about-tint: #E7F2EE;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: clip;
}

/* ---------- Hero ---------- */
.page-about .about-hero {
  background: var(--paper);
  padding-top: clamp(26px, 4.5vw, 54px);
}

.page-about .about-hero__head {
  padding-bottom: clamp(30px, 5vw, 68px);
}

.page-about .about-hero .crumb {
  margin-bottom: 26px;
}

.page-about .about-hero h1 {
  font-family: var(--font-head);
  font-size: clamp(28px, 5vw, 56px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--ink);
  max-width: 900px;
  margin: 14px 0 22px;
}

.page-about .about-hero .lede {
  font-family: var(--font-body);
  font-size: clamp(16px, 1.6vw, 18.5px);
  line-height: 1.9;
  color: var(--ink-2);
  max-width: 700px;
  margin: 0;
}

.page-about .about-hero__figure {
  position: relative;
  margin: 0;
  border-top: 1px solid var(--hair);
}

.page-about .about-hero__figure::before {
  content: "";
  position: absolute;
  top: 0;
  left: clamp(24px, 6vw, 80px);
  width: 104px;
  height: 3px;
  background: var(--gold);
  z-index: 2;
}

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

/* ---------- Section shell ---------- */
.page-about .about-sec {
  padding: var(--about-pad) 0;
}

.page-about .about-sec--sheet {
  background: var(--sheet);
}

.page-about .about-sec--tint {
  background: var(--about-tint);
}

.page-about .sec-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 15px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--hair);
}

.page-about .sec-head .sec-no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-about .sec-head h2 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(20px, 3vw, 30px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-about .sec-head--dark {
  border-bottom-color: var(--hair-dark);
}

.page-about .sec-head--dark h2 {
  color: var(--paper);
}

.page-about .sec-head--dark .sec-no {
  color: var(--gold-lt);
}

.page-about .sec-intro {
  margin: 0 0 30px;
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.9;
  color: var(--ink-2);
  max-width: 68ch;
}

.page-about .sec-note {
  margin: 28px 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--teal);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-2);
  max-width: 68ch;
}

/* ---------- 01 origin ---------- */
.page-about .sec-body {
  display: grid;
  gap: 32px;
}

.page-about .about-prose p {
  margin: 0 0 1.2em;
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.9;
  color: var(--ink-2);
  max-width: 66ch;
}

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

.page-about .about-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
}

.page-about .about-fact {
  background: var(--sheet);
  padding: 18px 16px;
}

.page-about .about-fact__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--gold);
}

.page-about .about-fact__label {
  display: block;
  margin-top: 8px;
  font-family: var(--font-ui);
  font-size: 13px;
  line-height: 1.55;
  color: var(--gray);
}

/* ---------- 02 teams ---------- */
.page-about .team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-about .team-card {
  background: var(--sheet);
  border: 1px solid var(--hair);
  border-top-width: 2px;
  border-top-style: solid;
  border-top-color: var(--hair);
  padding: 22px 20px;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-about .team-card--gold {
  border-top-color: var(--gold);
}

.page-about .team-card--teal {
  border-top-color: var(--teal);
}

.page-about .team-card--ink {
  border-top-color: var(--ink);
}

.page-about .team-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(20, 22, 26, 0.08);
}

.page-about .team-card__top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.page-about .team-card__top h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.page-about .team-card__count {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--gray);
  white-space: nowrap;
}

.page-about .team-card p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-2);
}

/* ---------- 03 phases (dark) ---------- */
.page-about .about-phases {
  background: var(--ink);
  color: var(--paper);
  padding: var(--about-pad) 0;
}

.page-about .phase-track {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 10px;
  margin-bottom: 34px;
  scrollbar-width: thin;
}

.page-about .phase-node {
  position: relative;
  flex: 1 0 152px;
  padding-top: 18px;
  border-top: 2px solid var(--gold);
  text-decoration: none;
  color: var(--paper);
  transition: border-color var(--dur) var(--ease);
}

.page-about .phase-node::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gold);
  transition: background var(--dur) var(--ease);
}

.page-about .phase-node:hover,
.page-about .phase-node:focus-visible {
  border-top-color: var(--gold-lt);
}

.page-about .phase-node:hover::before,
.page-about .phase-node:focus-visible::before {
  background: var(--gold-lt);
}

.page-about .phase-node__label {
  display: block;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
}

.page-about .phase-node__meta {
  display: block;
  margin-top: 5px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--gold-lt);
}

.page-about .phase-node__hint {
  display: block;
  margin-top: 8px;
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.65;
  color: rgba(242, 244, 243, 0.66);
}

.page-about .phase-list {
  display: grid;
}

.page-about .phase-card {
  display: grid;
  gap: 10px;
  padding: 26px 0;
  border-bottom: 1px solid var(--hair-dark);
  scroll-margin-top: 96px;
}

.page-about .phase-card:first-child {
  border-top: 1px solid var(--hair-dark);
}

.page-about .phase-card__stamp {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--teal-lt);
}

.page-about .phase-card__body h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  color: var(--paper);
}

.page-about .phase-card__body p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.9;
  color: rgba(242, 244, 243, 0.78);
  max-width: 68ch;
}

.page-about .phase-total {
  margin: 30px 0 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.85;
  color: rgba(242, 244, 243, 0.7);
}

.page-about .phase-total .mono {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--gold-lt);
}

/* ---------- 04 rhythm ---------- */
.page-about .rhythm-grid {
  display: grid;
  gap: 30px;
}

.page-about .rhythm-copy > p {
  margin: 0 0 26px;
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.9;
  color: var(--ink-2);
  max-width: 62ch;
}

.page-about .rhythm-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 22px;
}

.page-about .rhythm-list li {
  padding-left: 18px;
  border-left: 2px solid var(--ink);
}

.page-about .rhythm-list__k {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--gold);
}

.page-about .rhythm-list li p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-2);
}

.page-about .rhythm-figure {
  margin: 0;
}

.page-about .rhythm-figure img,
.page-about .rhythm-banner img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--hair);
}

.page-about .rhythm-figure figcaption,
.page-about .rhythm-banner figcaption {
  margin-top: 12px;
  font-family: var(--font-ui);
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray);
}

.page-about .rhythm-banner {
  margin: 52px 0 0;
}

/* ---------- 05 capability ---------- */
.page-about .cap-grid {
  display: grid;
  gap: 34px;
}

.page-about .cap-copy p {
  margin: 0 0 1.2em;
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.9;
  color: var(--ink-2);
  max-width: 62ch;
}

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

.page-about .cap-stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
}

.page-about .cap-stat {
  background: var(--sheet);
  padding: 20px 16px;
}

.page-about .cap-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--gold);
}

.page-about .cap-stat__label {
  display: block;
  margin-top: 8px;
  font-family: var(--font-ui);
  font-size: 13px;
  line-height: 1.5;
  color: var(--gray);
}

/* ---------- 06 reach ---------- */
.page-about .reach-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-about .reach-item {
  background: var(--sheet);
  border: 1px solid var(--hair);
  border-left: 3px solid var(--gold);
  padding: 22px 20px;
}

.page-about .reach-item__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.6vw, 25px);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-about .reach-item__label {
  display: block;
  margin-top: 10px;
  font-family: var(--font-ui);
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--gray);
}

/* ---------- CTA ---------- */
.page-about .about-cta {
  position: relative;
  background: var(--ink);
  color: var(--paper);
  padding: clamp(48px, 7vw, 90px) 0;
}

.page-about .about-cta::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(
    90deg,
    var(--gold) 0 33.3%,
    var(--teal) 33.3% 66.6%,
    var(--amber) 66.6% 100%
  );
}

.page-about .about-cta__inner {
  display: grid;
  gap: 28px;
}

.page-about .about-cta__copy h2 {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-size: clamp(22px, 3.2vw, 33px);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-about .about-cta__copy p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.88;
  color: rgba(242, 244, 243, 0.76);
  max-width: 62ch;
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

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

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

@media (min-width: 760px) {
  .page-about .phase-card {
    grid-template-columns: 142px minmax(0, 1fr);
    gap: 0 32px;
    align-items: start;
  }

  .page-about .phase-node {
    flex: 1 1 0;
    min-width: 0;
  }
}

@media (min-width: 880px) {
  .page-about .sec-body {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: start;
  }

  .page-about .rhythm-grid,
  .page-about .cap-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 52px;
    align-items: start;
  }

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

@media (min-width: 1024px) {
  .page-about .reach-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .team-card,
  .page-about .phase-node,
  .page-about .phase-node::before {
    transition: none;
  }

  .page-about .team-card:hover {
    transform: none;
  }
}
<<<END>>>