.page-about {
  --about-soft: rgba(244, 241, 234, .78);
  --about-faint: rgba(244, 241, 234, .52);
  --about-paper-line: rgba(11, 34, 57, .16);
  --about-paper-text: rgba(11, 34, 57, .74);
  background: var(--ink);
  color: var(--shell);
}

.page-about [id] {
  scroll-margin-top: calc(var(--header-h) + 28px);
}

/* ---------- Hero ---------- */
.page-about .about-hero {
  padding-top: calc(var(--header-h) + 44px);
  padding-bottom: 8px;
}

.page-about .about-hero__kicker {
  margin: 26px 0 0;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--coral);
}

.page-about .about-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 5.6vw, 58px);
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--shell);
  max-width: 17em;
}

.page-about .about-hero__lede {
  margin: 22px 0 0;
  max-width: 38em;
  font-size: 17px;
  line-height: 1.85;
  color: var(--about-soft);
}

.page-about .about-stats {
  list-style: none;
  margin: 40px 0 0;
  padding: 24px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px 18px;
}

.page-about .about-stats__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-about .about-stats__num {
  font-family: var(--font-data);
  font-size: 26px;
  line-height: 1;
  color: var(--coral);
  letter-spacing: .01em;
}

.page-about .about-stats__label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--about-faint);
}

/* ---------- Shell & rail ---------- */
.page-about .about-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  margin-top: 44px;
  padding-bottom: 72px;
}

.page-about .about-aside {
  display: none;
}

.page-about .about-rail {
  position: sticky;
  top: calc(var(--header-h) + 26px);
  padding-right: 24px;
}

.page-about .rail-group + .rail-group {
  margin-top: 34px;
}

.page-about .rail-title {
  margin: 0 0 10px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-about .rail-list,
.page-about .year-scale {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .rail-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 6px 0;
  text-decoration: none;
  color: var(--about-faint);
  font-size: 13px;
  line-height: 1.4;
  transition: color .18s var(--ease-out);
}

.page-about .rail-link__num {
  font-family: var(--font-data);
  font-size: 11px;
  color: var(--line);
  transition: color .18s var(--ease-out);
}

.page-about .rail-link:hover,
.page-about .rail-link:focus-visible {
  color: var(--shell);
}

.page-about .rail-link:hover .rail-link__num,
.page-about .rail-link:focus-visible .rail-link__num {
  color: var(--coral);
}

.page-about .year-scale {
  border-left: 1px solid var(--line);
}

.page-about .year-scale__item a {
  position: relative;
  display: block;
  padding: 7px 0 7px 18px;
  font-family: var(--font-data);
  font-size: 12px;
  text-decoration: none;
  color: var(--about-faint);
  transition: color .18s var(--ease-out);
}

.page-about .year-scale__item a::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 50%;
  width: 7px;
  height: 7px;
  margin-top: -3.5px;
  background: var(--line);
  border-radius: 50%;
  transition: background .18s var(--ease-out), box-shadow .18s var(--ease-out);
}

.page-about .year-scale__item a:hover,
.page-about .year-scale__item a:focus-visible {
  color: var(--coral-2);
}

.page-about .year-scale__item a:hover::before,
.page-about .year-scale__item a:focus-visible::before {
  background: var(--coral-2);
}

.page-about .year-scale__item.is-current a {
  color: var(--coral);
}

.page-about .year-scale__item.is-current a::before {
  background: var(--coral);
  box-shadow: 0 0 0 3px rgba(255, 107, 74, .22);
}

/* ---------- Sections ---------- */
.page-about .about-flow {
  min-width: 0;
}

.page-about .about-section {
  padding: 44px 0;
  border-top: 1px solid var(--line);
}

.page-about .about-section:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-about .section-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 22px;
}

.page-about .sec-num {
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--coral);
  flex: none;
}

.page-about .section-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.28;
  letter-spacing: -.015em;
  color: var(--shell);
}

.page-about .about-section p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--about-soft);
}

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

.page-about .about-band-lede,
.page-about .about-lede {
  max-width: 38em;
  margin-bottom: 26px;
}

.page-about .about-inline-link {
  color: var(--coral-2);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-about .about-inline-link:hover,
.page-about .about-inline-link:focus-visible {
  color: var(--coral);
}

/* ---------- Intro grid ---------- */
.page-about .intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

/* ---------- Figures ---------- */
.page-about .about-figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-2);
}

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

.page-about .about-figure__cap {
  padding: 10px 14px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--slate);
  border-top: 1px solid var(--line);
  background: var(--ink-2);
}

.page-about .about-figure--wide {
  margin-bottom: 30px;
}

.page-about .about-figure--flow {
  margin: 0 0 26px;
}

/* ---------- Timeline ---------- */
.page-about .about-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .tl-item {
  position: relative;
  padding: 0 0 30px 22px;
  border-left: 1px solid var(--line);
}

.page-about .tl-item:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-about .tl-item::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 8px;
  width: 7px;
  height: 7px;
  background: var(--coral);
  border-radius: 50%;
}

.page-about .tl-item:last-child::before {
  box-shadow: 0 0 0 4px rgba(255, 107, 74, .18);
}

.page-about .tl-year {
  display: block;
  font-family: var(--font-data);
  font-size: 20px;
  line-height: 1.2;
  color: var(--coral);
  letter-spacing: .02em;
}

.page-about .tl-ver {
  margin: 4px 0 6px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--slate);
}

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

/* ---------- Paper band ---------- */
.page-about .about-paper-band {
  background: var(--paper);
  color: var(--ink);
  border-radius: var(--radius);
  padding: clamp(26px, 4.5vw, 46px) clamp(20px, 3.6vw, 40px);
  margin: 44px 0;
}

.page-about .about-paper-band .about-section {
  border-top: 0;
  padding: 0;
}

.page-about .about-paper-band .about-section + .about-section {
  border-top: 1px solid var(--about-paper-line);
  margin-top: 40px;
  padding-top: 40px;
}

.page-about .about-paper-band .section-head h2 {
  color: var(--ink);
}

.page-about .about-paper-band p {
  color: var(--about-paper-text);
}

.page-about .about-paper-band .about-figure {
  border-color: var(--about-paper-line);
  background: #EFEBE2;
}

.page-about .about-paper-band .about-figure__cap {
  border-top-color: var(--about-paper-line);
  background: #EFEBE2;
  color: rgba(11, 34, 57, .55);
}

.page-about .about-paper-band .about-inline-link {
  color: #C2412A;
}

.page-about .about-paper-band .about-inline-link:hover,
.page-about .about-paper-band .about-inline-link:focus-visible {
  color: var(--coral);
}

/* ---------- Team ---------- */
.page-about .team-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-about .team-card {
  border: 1px solid var(--about-paper-line);
  border-radius: var(--radius);
  padding: 18px 18px 16px;
  background: rgba(255, 255, 255, .5);
  transition: border-color .2s var(--ease-out), background .2s var(--ease-out);
}

.page-about .team-card:hover {
  border-color: rgba(255, 107, 74, .55);
}

.page-about .team-card__top {
  display: flex;
  align-items: center;
  gap: 9px;
}

.page-about .team-card__dot {
  width: 9px;
  height: 9px;
  flex: none;
  background: var(--coral);
}

.page-about .team-card__dot--celadon {
  background: var(--celadon);
}

.page-about .team-card__dot--amber {
  background: var(--amber);
}

.page-about .team-card__dot--slate {
  background: var(--slate);
}

.page-about .team-card__name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-about .team-card__num {
  margin: 10px 0 0;
  font-family: var(--font-data);
  font-size: 30px;
  line-height: 1;
  color: var(--ink);
}

.page-about .team-card__num span {
  font-size: 12px;
  margin-left: 4px;
  color: rgba(11, 34, 57, .5);
}

.page-about .team-card__hint {
  margin: 14px 0 0;
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(11, 34, 57, .42);
}

.page-about .team-card__list {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--about-paper-text);
}

.page-about .team-card__list li {
  position: relative;
  padding-left: 13px;
}

.page-about .team-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 5px;
  height: 1px;
  background: var(--coral);
}

/* ---------- Flow ---------- */
.page-about .flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  margin-top: 6px;
}

.page-about .flow-step {
  position: relative;
  border: 1px solid var(--about-paper-line);
  border-radius: var(--radius);
  padding: 20px 18px;
  background: rgba(255, 255, 255, .45);
}

.page-about .flow-step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -17px;
  width: 18px;
  height: 9px;
  transform: translateX(-50%);
  background: var(--coral);
  clip-path: polygon(0 0, 100% 0, 50% 100%);
}

.page-about .flow-step__num {
  display: block;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--coral);
}

.page-about .flow-step__title {
  margin: 8px 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  color: var(--ink);
}

.page-about .flow-step__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--about-paper-text);
}

/* ---------- Method ---------- */
.page-about .method-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-about .method-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.page-about .method-row__label {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--coral);
}

.page-about .method-row__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--about-soft);
  max-width: 38em;
}

.page-about .about-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin: 30px 0 0;
}

.page-about .about-cta__note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
  max-width: 32em;
}

/* ---------- Panel ---------- */
.page-about .panel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-about .panel-item {
  background: var(--ink-2);
  padding: 20px 18px;
}

.page-about .panel-item__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--shell);
}

.page-about .panel-item__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--about-soft);
}

.page-about .about-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 26px 0 0;
}

/* ---------- Responsive ---------- */
@media (min-width: 560px) {
  .page-about .team-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .about-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 760px) {
  .page-about .intro-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    gap: 34px;
    align-items: start;
  }

  .page-about .flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-about .flow-step:not(:last-child)::after {
    left: auto;
    bottom: auto;
    right: -16px;
    top: 50%;
    width: 9px;
    height: 16px;
    transform: translateY(-50%);
    clip-path: polygon(0 0, 100% 50%, 0 100%);
  }

  .page-about .method-row {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
    padding: 22px 0;
  }

  .page-about .panel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .tl-item {
    padding-left: 28px;
  }
}

@media (min-width: 960px) {
  .page-about .about-shell {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: 0;
    margin-top: 56px;
  }

  .page-about .about-aside {
    display: block;
  }

  .page-about .about-aside {
    border-right: 1px solid var(--line);
  }

  .page-about .about-flow {
    padding-left: 52px;
  }

  .page-about .about-section {
    padding: 52px 0;
  }

  .page-about .team-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (hover: hover) and (min-width: 960px) {
  .page-about .team-card__list {
    max-height: 0;
    margin-top: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height .34s var(--ease-out), opacity .22s var(--ease-out), margin-top .34s var(--ease-out);
  }

  .page-about .team-card:hover .team-card__list,
  .page-about .team-card:focus-within .team-card__list {
    max-height: 240px;
    margin-top: 10px;
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .rail-link,
  .page-about .year-scale__item a,
  .page-about .team-card,
  .page-about .team-card__list,
  .page-about .year-scale__item a::before {
    transition: none;
  }
}