.page-about {
  background: var(--mist-50);
  color: var(--ink-900);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.75;
}

.page-about.page-body {
  max-width: none;
  padding: 0;
}

.page-about .about-wrap {
  width: 100%;
  max-width: 1360px;
  margin-inline: auto;
  padding-inline: clamp(20px, 6vw, 96px);
}

.page-about h2 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(24px, 3.2vw, 38px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0;
}

.page-about h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  line-height: 1.4;
  margin: 0 0 6px;
}

.page-about h4 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  line-height: 1.5;
  margin: 0 0 4px;
}

.page-about p {
  margin: 0 0 1em;
}

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

.page-about .about-sec {
  padding-block: clamp(48px, 7vw, 96px);
}

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

.page-about .about-sec--tint {
  background: var(--mist-100);
}

/* ---------- breadcrumb ---------- */
.page-about .about-crumb {
  padding-top: clamp(14px, 2.2vw, 26px);
}

.page-about .about-crumb .breadcrumb {
  margin: 0;
  padding: 0;
  list-style: none;
}

/* ---------- hero ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(6px, 1.4vw, 18px) clamp(44px, 6vw, 88px);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset-block: -45% -25%;
  inset-inline-end: -14%;
  width: min(54%, 640px);
  background: linear-gradient(180deg, rgba(226, 87, 30, 0.16), rgba(226, 87, 30, 0) 72%);
  transform: skewX(-9deg);
  pointer-events: none;
}

.page-about .about-hero .about-wrap {
  position: relative;
  z-index: 1;
}

.page-about .about-hero__grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  margin-top: clamp(22px, 3.6vw, 44px);
}

.page-about .about-hero__title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(31px, 5.4vw, 64px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 clamp(16px, 2vw, 24px);
  max-width: 16em;
}

.page-about .about-hero__intro {
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: var(--ink-700);
  max-width: 32em;
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-about .factline {
  margin: 0;
  border-top: 1px solid var(--mist-200);
}

.page-about .factline__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 0;
  border-bottom: 1px solid var(--mist-200);
}

.page-about .factline dt {
  font-size: 13px;
  color: var(--mist-500);
  letter-spacing: 0.02em;
}

.page-about .factline dd {
  margin: 0;
  font-size: 14px;
  color: var(--ink-700);
  white-space: nowrap;
}

.page-about .factline__num {
  font-size: clamp(20px, 2.2vw, 26px);
  color: var(--orange-700);
  margin-right: 4px;
}

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
    gap: clamp(36px, 5vw, 76px);
  }
}

/* ---------- section head ---------- */
.page-about .about-head {
  display: grid;
  gap: 14px;
  margin-bottom: clamp(26px, 3.6vw, 46px);
}

.page-about .about-head__note {
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist-500);
}

@media (min-width: 861px) {
  .page-about .about-head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 320px);
    align-items: end;
    gap: 40px;
  }

  .page-about .about-head__note {
    text-align: right;
  }
}

/* ---------- timeline ---------- */
.page-about .rail {
  display: none;
  margin-bottom: clamp(10px, 1.6vw, 18px);
}

.page-about .rail__nodes {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .rail__nodes::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 5px;
  height: 1px;
  background: var(--mist-200);
}

.page-about .rail__node {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-about .rail__dot {
  position: relative;
  z-index: 1;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 4px var(--paper);
}

.page-about .rail__year {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ink-700);
}

.page-about .rail-mobile {
  display: block;
  margin-bottom: clamp(24px, 3vw, 34px);
}

@media (min-width: 861px) {
  .page-about .rail {
    display: block;
  }

  .page-about .rail-mobile {
    display: none;
  }
}

.page-about .stages {
  border-bottom: 1px solid var(--mist-200);
}

.page-about .stage {
  border-top: 1px solid var(--mist-200);
}

.page-about .stage__sum {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 18px;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-about .stage__year {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--orange-700);
  min-width: 46px;
}

.page-about .stage__title {
  flex: 1 1 14em;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  line-height: 1.45;
}

.page-about .stage__mark {
  position: relative;
  width: 14px;
  height: 14px;
  flex: 0 0 14px;
  align-self: center;
  border: 1px solid var(--mist-200);
  border-radius: 50%;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-about .stage__mark::before,
.page-about .stage__mark::after {
  content: "";
  position: absolute;
  inset-inline-start: 50%;
  inset-block-start: 50%;
  background: var(--ink-700);
  transform: translate(-50%, -50%);
}

.page-about .stage__mark::before {
  width: 6px;
  height: 1px;
}

.page-about .stage__mark::after {
  width: 1px;
  height: 6px;
  transition: opacity var(--dur) var(--ease);
}

.page-about .stage__sum:hover .stage__mark,
.page-about .stage__sum:focus-visible .stage__mark {
  border-color: var(--orange);
}

.page-about .stage[open] .stage__mark {
  border-color: var(--orange);
}

.page-about .stage[open] .stage__mark::after {
  opacity: 0;
}

.page-about .stage[open] .stage__title {
  color: var(--orange-700);
}

.page-about .stage__body {
  padding: 0 0 22px 0;
  max-width: 62em;
  color: var(--ink-700);
  font-size: 15px;
}

@media (min-width: 861px) {
  .page-about .stage__sum {
    padding: 20px 0;
  }

  .page-about .stage__body {
    padding: 0 0 26px 64px;
  }
}

/* ---------- what we do ---------- */
.page-about .about-what__grid {
  display: grid;
  gap: clamp(24px, 3.4vw, 44px);
}

.page-about .about-what__aside h2 {
  margin-bottom: 16px;
}

.page-about .about-what__link {
  display: inline-block;
  font-size: 14px;
  color: var(--orange-700);
  text-decoration: none;
  border-bottom: 1px solid rgba(168, 60, 16, 0.32);
  padding-bottom: 2px;
  transition: border-color var(--dur) var(--ease);
}

.page-about .about-what__link:hover,
.page-about .about-what__link:focus-visible {
  border-bottom-color: var(--orange-700);
}

.page-about .about-what__body > p {
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--ink-700);
  max-width: 40em;
}

.page-about .what-list {
  list-style: none;
  margin: clamp(24px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-about .what-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding-top: 16px;
  border-top: 1px solid var(--mist-200);
}

.page-about .what-item__tag {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--orange-700);
  text-transform: uppercase;
}

.page-about .what-item p {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-700);
}

@media (min-width: 861px) {
  .page-about .about-what__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(40px, 5vw, 80px);
    align-items: start;
  }

  .page-about .what-item {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 18px;
    align-items: start;
    padding-top: 18px;
  }

  .page-about .what-item__tag {
    padding-top: 3px;
  }
}

/* ---------- team ---------- */
.page-about .about-team__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-about .roles {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--mist-200);
}

.page-about .role {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 20px 0;
  border-bottom: 1px solid var(--mist-200);
}

.page-about .role__num {
  font-size: clamp(30px, 3.6vw, 40px);
  line-height: 1;
  font-weight: 400;
  color: var(--ink-900);
  letter-spacing: -0.02em;
}

.page-about .role__text p {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-700);
}

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

@media (min-width: 861px) {
  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: clamp(36px, 5vw, 72px);
  }

  .page-about .role {
    grid-template-columns: 78px minmax(0, 1fr);
    padding: 22px 0;
  }

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

/* ---------- zones ---------- */
.page-about .zones-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-top: 1px solid var(--bamboo);
}

.page-about .zones {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  text-align: left;
  background: var(--paper);
}

.page-about .zones__caption {
  caption-side: top;
  text-align: left;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mist-500);
  padding-bottom: 10px;
}

.page-about .zones thead th {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist-500);
  padding: 12px 14px;
  border-bottom: 1px solid var(--mist-200);
  white-space: nowrap;
}

.page-about .zones tbody th {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  padding: 16px 14px;
  border-bottom: 1px solid var(--mist-200);
  white-space: nowrap;
  vertical-align: middle;
}

.page-about .zones tbody td {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-700);
  padding: 16px 14px;
  border-bottom: 1px solid var(--mist-200);
  vertical-align: middle;
}

.page-about .zones tbody tr:nth-child(even) {
  background: var(--bamboo-50);
}

.page-about .zones__idx {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--bamboo);
  margin-right: 10px;
}

.page-about .zones__note {
  margin-top: clamp(18px, 2.6vw, 28px);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-700);
  max-width: 46em;
  padding-left: 14px;
  border-left: 2px solid var(--orange);
}

.page-about .about-zones__figure {
  margin: clamp(26px, 3.6vw, 44px) 0 0;
}

/* ---------- eco ---------- */
.page-about .eco__grid {
  display: grid;
  gap: clamp(34px, 4.6vw, 64px);
}

.page-about .eco__title {
  font-size: 19px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--mist-200);
  margin-bottom: 16px;
}

.page-about .eco__lead {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-700);
  max-width: 36em;
  margin-bottom: 20px;
}

.page-about .eco__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-about .eco__list li {
  display: grid;
  gap: 4px;
}

.page-about .eco__tag {
  display: inline-block;
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--bamboo);
  border: 1px solid var(--bamboo);
  border-radius: var(--radius);
  padding: 2px 8px;
}

.page-about .eco__list p {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-700);
}

.page-about .cert-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-about .cert {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--mist-200);
}

.page-about .cert:last-child {
  border-bottom: 1px solid var(--mist-200);
}

.page-about .cert__idx {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist-500);
  padding-top: 4px;
}

.page-about .cert__text p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist-500);
}

@media (min-width: 861px) {
  .page-about .eco__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: start;
    gap: clamp(40px, 5vw, 80px);
  }
}

/* ---------- metrics ---------- */
.page-about .metrics {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--mist-200);
  border-block: 1px solid var(--mist-200);
}

.page-about .metric {
  display: grid;
  gap: 6px;
  padding: clamp(20px, 3vw, 30px) clamp(16px, 2.4vw, 28px);
  background: var(--mist-50);
  transition: background-color var(--dur) var(--ease);
}

.page-about .metric:hover,
.page-about .metric:focus,
.page-about .metric:focus-within {
  background: var(--paper);
  outline: none;
}

.page-about .metric__label {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mist-500);
}

.page-about .metric__value {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(38px, 5vw, 56px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink-900);
}

.page-about .metric__unit {
  font-size: 0.42em;
  font-weight: 400;
  margin-left: 4px;
  color: var(--orange-700);
  letter-spacing: 0;
}

.page-about .metric__hint {
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist-500);
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
}

.page-about .metric:hover .metric__hint,
.page-about .metric:focus .metric__hint,
.page-about .metric:focus-within .metric__hint {
  opacity: 1;
}

.page-about .metrics__foot {
  margin-top: clamp(20px, 2.6vw, 30px);
  font-size: 14px;
  color: var(--mist-500);
}

.page-about .metrics__foot a {
  color: var(--orange-700);
  text-decoration: none;
  border-bottom: 1px solid rgba(168, 60, 16, 0.32);
}

.page-about .metrics__foot a:hover,
.page-about .metrics__foot a:focus-visible {
  border-bottom-color: var(--orange-700);
}

@media (min-width: 761px) {
  .page-about .metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .page-about .metric__hint {
    opacity: 1;
  }
}

/* ---------- closing cta ---------- */
.page-about .about-cta {
  background: var(--ink-900);
  color: var(--dark-text);
  padding-block: clamp(48px, 7vw, 92px);
}

.page-about .about-cta__inner {
  display: grid;
  gap: clamp(26px, 3.4vw, 44px);
}

.page-about .about-cta__eyebrow {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--orange);
  margin-bottom: 12px;
}

.page-about .about-cta h2 {
  color: var(--paper);
  max-width: 20em;
  margin-bottom: 14px;
}

.page-about .about-cta__text p:last-child {
  font-size: 15px;
  line-height: 1.8;
  color: var(--dark-muted);
  max-width: 38em;
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 24px;
}

.page-about .about-cta__link {
  color: var(--dark-text);
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid rgba(231, 238, 240, 0.32);
  padding-bottom: 2px;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-about .about-cta__link:hover,
.page-about .about-cta__link:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--orange);
}

@media (min-width: 861px) {
  .page-about .about-cta__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: clamp(40px, 5vw, 80px);
  }

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

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

.page-about .media-frame {
  overflow: hidden;
}

.page-about .media-frame img {
  width: 100%;
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-about .stage__mark,
  .page-about .stage__mark::after,
  .page-about .metric,
  .page-about .metric__hint,
  .page-about .about-what__link,
  .page-about .about-cta__link {
    transition: none;
  }
}