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

.page-about h1,
.page-about h2,
.page-about h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-about h1 {
  font-size: clamp(32px, 7.2vw, 58px);
  margin-top: 14px;
}

.page-about h2 {
  font-size: clamp(23px, 4.2vw, 36px);
}

.page-about h3 {
  font-size: 18px;
  letter-spacing: 0;
}

.page-about p {
  margin: 0;
}

.page-about .label {
  color: var(--lime);
  letter-spacing: 0.14em;
}

.page-about .about-crumbs {
  padding-top: calc(var(--header-h) + 16px);
}

.page-about .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-about .crumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-about .crumbs a {
  color: var(--muted);
  text-decoration: none;
}

.page-about .crumbs a:hover {
  color: var(--lime);
}

.page-about .crumbs [aria-current="page"] {
  color: var(--paper);
}

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

.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding-block: 26px 58px;
  background:
    radial-gradient(88% 70% at 80% 4%, rgba(200, 255, 61, 0.1), transparent 62%),
    radial-gradient(70% 60% at 8% 92%, rgba(143, 179, 201, 0.08), transparent 66%);
}

.page-about .about-hero__inner {
  display: grid;
  gap: 34px;
}

.page-about .about-hero__lede {
  margin-top: 20px;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

.page-about .about-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
  background: var(--line-soft);
  border-block: 1px solid var(--line-soft);
}

.page-about .about-stat {
  min-width: 0;
  padding: 14px 12px 16px;
  background: var(--ink);
}

.page-about .about-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(24px, 5vw, 34px);
  font-weight: 700;
  line-height: 1;
  color: var(--lime);
}

.page-about .about-stat__label {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.55;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-about .about-hero__visual {
  justify-self: center;
  width: min(100%, 440px);
}

.page-about .about-hero__visual svg {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- shared section head ---------- */

.page-about .about-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-head__meta {
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--steel);
}

/* ---------- figures ---------- */

.page-about .about-figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background:
    radial-gradient(120% 90% at 18% 0%, rgba(200, 255, 61, 0.12), transparent 62%),
    linear-gradient(160deg, var(--ink-3), var(--ink-2));
}

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

.page-about .about-figure__caption {
  padding: 12px 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.03em;
  color: var(--steel);
  background: rgba(7, 24, 18, 0.72);
}

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

.page-about .about-origin__grid {
  display: grid;
  gap: 26px;
}

.page-about .about-origin__body {
  display: grid;
  gap: 18px;
  max-width: 68ch;
}

.page-about .about-origin__text {
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
}

.page-about .about-origin__text:first-child {
  color: var(--paper);
}

/* ---------- flow ---------- */

.page-about .about-flow__layout {
  display: grid;
  gap: 32px;
  margin-top: 30px;
}

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

.page-about .about-flow__step {
  position: relative;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 12px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-flow__step::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 0;
  height: 2px;
  background: var(--lime);
  transition: width 0.4s ease;
}

.page-about .about-flow__step:hover::after,
.page-about .about-flow__step:focus-within::after {
  width: 100%;
}

.page-about .about-flow__idx {
  padding-top: 3px;
  font-size: 13px;
  color: var(--lime);
  letter-spacing: 0.1em;
}

.page-about .about-flow__title {
  margin-bottom: 8px;
}

.page-about .about-flow__text {
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-about .about-flow__figure img {
  aspect-ratio: 3 / 2;
}

/* ---------- dual ---------- */

.page-about .about-dual__grid {
  display: grid;
  gap: 30px;
}

.page-about .about-dual__figure img {
  aspect-ratio: 10 / 7;
}

.page-about .about-dual__copy h2 {
  margin-top: 14px;
}

.page-about .about-dual__text {
  margin-top: 18px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
}

.page-about .about-dual__points {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-about .about-dual__points li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-about .about-dual__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  background: var(--steel);
  transform: rotate(45deg);
}

.page-about .about-dual__points strong {
  color: var(--paper);
  font-weight: 700;
}

/* ---------- subscribe ---------- */

.page-about .about-sub__grid {
  display: grid;
  gap: 1px;
  margin-top: 30px;
  background: var(--line-soft);
  border-block: 1px solid var(--line-soft);
}

.page-about .about-sub__item {
  padding: 24px 20px 26px;
  background: var(--ink-2);
}

.page-about .about-sub__item h3 {
  margin: 14px 0 10px;
}

.page-about .about-sub__item p:last-child {
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-about .tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

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

.page-about .about-timeline__list {
  position: relative;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-timeline__item {
  position: relative;
  padding: 0 0 28px 26px;
}

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 0;
  width: 1px;
  background: var(--line-soft);
}

.page-about .about-timeline__item::after {
  content: "";
  position: absolute;
  left: -3px;
  top: 8px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(200, 255, 61, 0.14);
}

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

.page-about .about-timeline__item:last-child::before {
  display: none;
}

.page-about .about-timeline__year {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--steel);
  text-transform: uppercase;
}

.page-about .about-timeline__title {
  margin: 8px 0 8px;
}

.page-about .about-timeline__text {
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- team ---------- */

.page-about .about-team__grid {
  display: grid;
  gap: 30px;
}

.page-about .about-team__copy h2 {
  margin-top: 14px;
}

.page-about .about-team__text {
  margin-top: 18px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
}

.page-about .about-team__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 28px 0 0;
  background: var(--line-soft);
  border-block: 1px solid var(--line-soft);
}

.page-about .about-team__facts > div {
  min-width: 0;
  padding: 16px 12px;
  background: var(--ink);
}

.page-about .about-team__facts dt {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-about .about-team__facts dd {
  margin: 8px 0 0;
  font-size: clamp(15px, 3.4vw, 20px);
  font-weight: 700;
  color: var(--lime);
  white-space: nowrap;
}

.page-about .about-team__figure img {
  aspect-ratio: 2 / 1;
}

/* ---------- partners ---------- */

.page-about .about-partners__list {
  margin-top: 8px;
  border-top: 1px solid var(--line-soft);
}

.page-about .about-partner {
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-partner > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
  transition: color 0.2s ease;
}

.page-about .about-partner > summary::-webkit-details-marker {
  display: none;
}

.page-about .about-partner > summary:hover {
  color: var(--lime);
}

.page-about .about-partner > summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--lime);
}

.page-about .about-partner[open] > summary::after {
  content: "–";
}

.page-about .about-partner > p {
  padding: 0 0 20px;
  max-width: 70ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

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

.page-about .about-next {
  padding-bottom: 92px;
}

.page-about .about-next__inner {
  display: grid;
  gap: 28px;
  padding-top: 8px;
}

.page-about .about-next__intro h2 {
  margin-top: 14px;
}

.page-about .about-next__intro p:last-child {
  margin-top: 16px;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-about .about-next__list {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line-soft);
  border-block: 1px solid var(--line-soft);
  align-content: start;
}

.page-about .about-next__list li {
  background: var(--ink);
}

.page-about .about-next__list a {
  display: block;
  padding: 16px 4px;
  color: var(--paper);
  text-decoration: none;
}

.page-about .about-next__list a:hover {
  color: var(--lime);
}

/* ---------- reveal ---------- */

.page-about [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.page-about [data-reveal].is-inview {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .page-about [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-about .about-flow__step::after {
    transition: none;
  }
}

/* ---------- wider screens ---------- */

@media (min-width: 720px) {
  .page-about .about-sub__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .about-partner > summary {
    font-size: 18px;
    padding: 20px 0;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero {
    padding-block: 34px 78px;
  }

  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: center;
    gap: 56px;
  }

  .page-about .about-hero__visual {
    justify-self: end;
    width: 100%;
  }

  .page-about .about-origin__grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: 56px;
    align-items: start;
  }

  .page-about .about-origin__lead {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-about .about-dual__grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    gap: 52px;
    align-items: start;
  }

  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 52px;
    align-items: center;
  }

  .page-about .about-next__inner {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    gap: 56px;
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-about .about-flow__layout {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 52px;
    align-items: start;
  }

  .page-about .about-flow__figure {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-about .about-timeline__item {
    display: grid;
    grid-template-columns: 120px minmax(0, 1fr);
    column-gap: 30px;
    padding-left: 32px;
    padding-bottom: 34px;
  }

  .page-about .about-timeline__year {
    grid-row: 1;
    grid-column: 1;
    padding-top: 4px;
  }

  .page-about .about-timeline__title {
    grid-row: 1;
    grid-column: 2;
    margin-top: 0;
  }

  .page-about .about-timeline__text {
    grid-row: 2;
    grid-column: 2;
    margin-top: 10px;
    max-width: 72ch;
  }

  .page-about .about-timeline__item::before {
    top: 6px;
  }
}

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

.page-about h1,
.page-about h2,
.page-about h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-about h1 {
  font-size: clamp(32px, 7.2vw, 58px);
  margin-top: 14px;
}

.page-about h2 {
  font-size: clamp(23px, 4.2vw, 36px);
}

.page-about h3 {
  font-size: 18px;
  letter-spacing: 0;
}

.page-about p {
  margin: 0;
}

.page-about .label {
  color: var(--lime);
  letter-spacing: 0.14em;
}

.page-about .about-crumbs {
  padding-top: calc(var(--header-h) + 16px);
}

.page-about .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-about .crumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-about .crumbs a {
  color: var(--muted);
  text-decoration: none;
}

.page-about .crumbs a:hover {
  color: var(--lime);
}

.page-about .crumbs [aria-current="page"] {
  color: var(--paper);
}

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

.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding-block: 26px 58px;
  background:
    radial-gradient(88% 70% at 80% 4%, rgba(200, 255, 61, 0.1), transparent 62%),
    radial-gradient(70% 60% at 8% 92%, rgba(143, 179, 201, 0.08), transparent 66%);
}

.page-about .about-hero__inner {
  display: grid;
  gap: 34px;
}

.page-about .about-hero__lede {
  margin-top: 20px;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

.page-about .about-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
  background: var(--line-soft);
  border-block: 1px solid var(--line-soft);
}

.page-about .about-stat {
  min-width: 0;
  padding: 14px 12px 16px;
  background: var(--ink);
}

.page-about .about-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(24px, 5vw, 34px);
  font-weight: 700;
  line-height: 1;
  color: var(--lime);
}

.page-about .about-stat__label {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.55;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-about .about-hero__visual {
  justify-self: center;
  width: min(100%, 440px);
}

.page-about .about-hero__visual svg {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- section head ---------- */

.page-about .about-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-head__meta {
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--steel);
}

/* ---------- figures ---------- */

.page-about .about-figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background:
    radial-gradient(120% 90% at 18% 0%, rgba(200, 255, 61, 0.12), transparent 62%),
    linear-gradient(160deg, var(--ink-3), var(--ink-2));
}

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

.page-about .about-figure__caption {
  padding: 12px 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.03em;
  color: var(--steel);
  background: rgba(7, 24, 18, 0.72);
}

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

.page-about .about-origin__grid {
  display: grid;
  gap: 26px;
}

.page-about .about-origin__body {
  display: grid;
  gap: 18px;
  max-width: 68ch;
}

.page-about .about-origin__text {
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
}

.page-about .about-origin__text:first-child {
  color: var(--paper);
}

/* ---------- flow ---------- */

.page-about .about-flow__layout {
  display: grid;
  gap: 32px;
  margin-top: 30px;
}

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

.page-about .about-flow__step {
  position: relative;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 12px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-flow__step::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--lime);
  transition: width 0.4s ease;
}

.page-about .about-flow__step:hover::after,
.page-about .about-flow__step:focus-within::after {
  width: 100%;
}

.page-about .about-flow__idx {
  padding-top: 3px;
  font-size: 13px;
  color: var(--lime);
  letter-spacing: 0.1em;
}

.page-about .about-flow__title {
  margin-bottom: 8px;
}

.page-about .about-flow__text {
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-about .about-flow__figure img {
  aspect-ratio: 3 / 2;
}

/* ---------- dual ---------- */

.page-about .about-dual__grid {
  display: grid;
  gap: 30px;
}

.page-about .about-dual__figure img {
  aspect-ratio: 10 / 7;
}

.page-about .about-dual__copy h2 {
  margin-top: 14px;
}

.page-about .about-dual__text {
  margin-top: 18px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
}

.page-about .about-dual__points {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-about .about-dual__points li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-about .about-dual__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  background: var(--steel);
  transform: rotate(45deg);
}

.page-about .about-dual__points strong {
  color: var(--paper);
  font-weight: 700;
}

/* ---------- subscribe ---------- */

.page-about .about-sub__grid {
  display: grid;
  gap: 1px;
  margin-top: 30px;
  background: var(--line-soft);
  border-block: 1px solid var(--line-soft);
}

.page-about .about-sub__item {
  min-width: 0;
  padding: 24px 20px 26px;
  background: var(--ink-2);
}

.page-about .about-sub__item h3 {
  margin: 14px 0 10px;
}

.page-about .about-sub__item p:last-child {
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-about .tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

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

.page-about .about-timeline__list {
  position: relative;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-timeline__item {
  position: relative;
  padding: 0 0 28px 26px;
}

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 0;
  width: 1px;
  background: var(--line-soft);
}

.page-about .about-timeline__item::after {
  content: "";
  position: absolute;
  left: -3px;
  top: 8px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(200, 255, 61, 0.14);
}

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

.page-about .about-timeline__item:last-child::before {
  display: none;
}

.page-about .about-timeline__year {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--steel);
  text-transform: uppercase;
}

.page-about .about-timeline__title {
  margin: 8px 0 8px;
}

.page-about .about-timeline__text {
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- team ---------- */

.page-about .about-team__grid {
  display: grid;
  gap: 30px;
}

.page-about .about-team__copy h2 {
  margin-top: 14px;
}

.page-about .about-team__text {
  margin-top: 18px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
}

.page-about .about-team__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 28px 0 0;
  background: var(--line-soft);
  border-block: 1px solid var(--line-soft);
}

.page-about .about-team__facts > div {
  min-width: 0;
  padding: 16px 12px;
  background: var(--ink);
}

.page-about .about-team__facts dt {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-about .about-team__facts dd {
  margin: 8px 0 0;
  font-size: clamp(15px, 3.4vw, 20px);
  font-weight: 700;
  color: var(--lime);
}

.page-about .about-team__figure img {
  aspect-ratio: 2 / 1;
}

/* ---------- partners ---------- */

.page-about .about-partners__list {
  margin-top: 8px;
  border-top: 1px solid var(--line-soft);
}

.page-about .about-partner {
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-partner > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
  transition: color 0.2s ease;
}

.page-about .about-partner > summary::-webkit-details-marker {
  display: none;
}

.page-about .about-partner > summary:hover {
  color: var(--lime);
}

.page-about .about-partner > summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--lime);
}

.page-about .about-partner[open] > summary::after {
  content: "–";
}

.page-about .about-partner > p {
  padding: 0 0 20px;
  max-width: 70ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

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

.page-about .about-next {
  padding-bottom: 96px;
}

.page-about .about-next__inner {
  display: grid;
  gap: 28px;
  padding-top: 8px;
}

.page-about .about-next__intro h2 {
  margin-top: 14px;
}

.page-about .about-next__intro p:last-child {
  margin-top: 16px;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-about .about-next__list {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line-soft);
  border-block: 1px solid var(--line-soft);
  align-content: start;
}

.page-about .about-next__list li {
  background: var(--ink);
}

.page-about .about-next__list a {
  display: block;
  padding: 16px 4px;
  color: var(--paper);
  text-decoration: none;
}

.page-about .about-next__list a:hover {
  color: var(--lime);
}

/* ---------- reveal ---------- */

.page-about [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.page-about [data-reveal].is-inview {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .page-about [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-about .about-flow__step::after {
    transition: none;
  }
}

/* ---------- wider screens ---------- */

@media (min-width: 720px) {
  .page-about .about-sub__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .about-partner > summary {
    font-size: 18px;
    padding: 20px 0;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero {
    padding-block: 34px 78px;
  }

  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: center;
    gap: 56px;
  }

  .page-about .about-hero__visual {
    justify-self: end;
    width: 100%;
  }

  .page-about .about-origin__grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: 56px;
    align-items: start;
  }

  .page-about .about-origin__lead {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-about .about-dual__grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    gap: 52px;
    align-items: start;
  }

  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 52px;
    align-items: center;
  }

  .page-about .about-next__inner {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    gap: 56px;
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-about .about-flow__layout {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 52px;
    align-items: start;
  }

  .page-about .about-flow__figure {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-about .about-timeline__item {
    display: grid;
    grid-template-columns: 120px minmax(0, 1fr);
    column-gap: 30px;
    padding-left: 32px;
    padding-bottom: 34px;
  }

  .page-about .about-timeline__year {
    grid-row: 1;
    grid-column: 1;
    padding-top: 4px;
  }

  .page-about .about-timeline__title {
    grid-row: 1;
    grid-column: 2;
    margin-top: 0;
  }

  .page-about .about-timeline__text {
    grid-row: 2;
    grid-column: 2;
    margin-top: 10px;
    max-width: 72ch;
  }

  .page-about .about-timeline__item::before {
    top: 6px;
  }
}