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

/* ---------- Hero ---------- */
.page-about .about-hero {
  padding-block: clamp(20px, 4vw, 40px) clamp(36px, 5vw, 64px);
}

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

.page-about .about-hero__title {
  margin: 12px 0 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(38px, 7vw, 76px);
  line-height: 1.02;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-about .about-hero__lead {
  margin: 0 0 14px;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--paper-78);
}

.page-about .about-hero__lead--sub {
  color: var(--paper-66);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-about .about-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .about-hero__stat {
  display: grid;
  gap: 6px;
  padding: 18px 16px;
  background: var(--ink);
}

.page-about .about-hero__stat dt {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--paper-50);
}

.page-about .about-hero__stat dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(24px, 4vw, 30px);
  line-height: 1;
  color: var(--mint);
  font-variant-numeric: tabular-nums;
}

/* ---------- Anchor index ---------- */
.page-about .about-index {
  border-block: 1px solid var(--line);
  background: var(--coal);
}

.page-about .about-index__inner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-block: 12px;
}

.page-about .about-index__label {
  flex: none;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper-34);
}

.page-about .about-index__list {
  display: flex;
  gap: 4px;
  margin: 0;
  padding: 0 2px 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-about .about-index__list::-webkit-scrollbar {
  display: none;
}

.page-about .about-index__link {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  white-space: nowrap;
  font-size: 13px;
  color: var(--paper-66);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-about .about-index__link:hover,
.page-about .about-index__link:focus-visible {
  color: var(--mint);
  border-color: var(--mint);
  background: var(--mint-soft);
  outline: none;
}

/* ---------- Paper sections ---------- */
.page-about .section--paper {
  background: var(--paper);
  color: var(--ink);
}

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

.page-about .section--paper .section-lead {
  color: var(--ink-70);
}

.page-about .section--paper .section-eyebrow {
  color: var(--moss);
}

/* ---------- Origin ---------- */
.page-about .about-origin {
  padding-block: clamp(40px, 6vw, 76px);
}

.page-about .about-origin__grid {
  display: grid;
  gap: clamp(24px, 3.5vw, 40px);
}

.page-about .about-origin__head .section-title {
  margin: 10px 0 0;
  font-size: clamp(30px, 4.6vw, 52px);
  line-height: 1.06;
}

.page-about .about-origin__body p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-70);
}

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

.page-about .about-origin__facts {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line-ink);
  border: 1px solid var(--line-ink);
}

.page-about .about-origin__facts li {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 14px;
  padding: 16px;
  background: var(--paper);
}

.page-about .about-origin__num {
  font-size: 26px;
  line-height: 1;
  color: var(--clay);
  font-variant-numeric: tabular-nums;
}

.page-about .about-origin__cap {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-70);
}

/* ---------- Timeline ---------- */
.page-about .about-timeline {
  padding-block: clamp(40px, 6vw, 76px);
}

.page-about .about-timeline__head {
  margin-bottom: clamp(24px, 3.5vw, 36px);
}

.page-about .about-timeline__head .section-title {
  margin: 10px 0 12px;
  font-size: clamp(30px, 4.6vw, 52px);
  line-height: 1.06;
}

.page-about .about-timeline__banner {
  position: relative;
  margin: 0 0 clamp(28px, 4vw, 44px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r);
}

.page-about .about-timeline__banner img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.05);
}

.page-about .about-timeline__cap {
  position: absolute;
  left: 14px;
  bottom: 12px;
  padding: 4px 10px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ink);
  background: var(--mint);
  border-radius: var(--r);
}

.page-about .about-rail {
  position: relative;
  border-top: 1px solid var(--line-strong);
}

.page-about .about-rail::before {
  content: "";
  position: absolute;
  top: 14px;
  bottom: 14px;
  left: 3px;
  width: 1px;
  background: var(--line);
}

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

.page-about .about-rail__row summary {
  display: grid;
  grid-template-columns: 88px 1fr 20px;
  align-items: center;
  gap: 14px;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
  -webkit-tap-highlight-color: transparent;
}

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

.page-about .about-rail__row summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  text-align: center;
  color: var(--mint);
}

.page-about .about-rail__row[open] summary::after {
  content: "−";
}

.page-about .about-rail__row summary:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 4px;
}

.page-about .about-rail__year {
  position: relative;
  padding-left: 16px;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.05em;
  color: var(--clay);
  font-variant-numeric: tabular-nums;
}

.page-about .about-rail__year::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 8px;
  height: 8px;
  margin-top: -4px;
  border-radius: 50%;
  background: var(--mint);
}

.page-about .about-rail__row[open] .about-rail__year {
  color: var(--mint);
}

.page-about .about-rail__label {
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1.35;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-about .about-rail__body {
  padding: 0 0 20px 16px;
}

.page-about .about-rail__body p {
  margin: 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper-66);
}

/* ---------- Team ---------- */
.page-about .about-team {
  padding-block: clamp(40px, 6vw, 76px);
}

.page-about .about-team__grid {
  display: grid;
  gap: clamp(28px, 4vw, 44px);
}

.page-about .about-team__head .section-title {
  margin: 10px 0 12px;
  font-size: clamp(30px, 4.6vw, 52px);
  line-height: 1.06;
}

.page-about .about-team__head {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-about .about-team__list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-team__item {
  padding: 16px 18px;
  border: 1px solid var(--line-ink);
  border-left: 3px solid var(--moss);
  border-radius: var(--r);
  background: rgba(244, 240, 228, 0.55);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-about .about-team__item:hover,
.page-about .about-team__item:focus-within {
  border-left-color: var(--mint);
  background: rgba(244, 240, 228, 0.95);
  transform: translateX(2px);
}

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

.page-about .about-team__role {
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-about .about-team__count {
  font-size: 20px;
  line-height: 1;
  color: var(--clay);
  font-variant-numeric: tabular-nums;
}

.page-about .about-team__desc {
  margin: 6px 0 12px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-70);
}

.page-about .about-team__track {
  display: block;
  height: 6px;
  border-radius: 999px;
  background: var(--line-ink);
  overflow: hidden;
}

.page-about .about-team__fill {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--moss), var(--mint));
}

.page-about .about-team__fill--edit { width: 33.3%; }
.page-about .about-team__fill--data { width: 22.2%; }
.page-about .about-team__fill--product { width: 19.4%; }
.page-about .about-team__fill--service { width: 13.9%; }
.page-about .about-team__fill--brand { width: 11.1%; }

.page-about .about-team__media {
  margin: 0;
  border: 1px solid var(--line-ink);
  border-radius: var(--r);
  overflow: hidden;
  background: var(--ink);
}

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

.page-about .about-team__media .media__caption {
  display: block;
  padding: 10px 14px;
  background: var(--ink);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--paper-50);
}

/* ---------- Archive ---------- */
.page-about .about-archive {
  padding-block: clamp(40px, 6vw, 76px);
}

.page-about .about-archive__head {
  margin-bottom: clamp(24px, 3.5vw, 36px);
}

.page-about .about-archive__head .section-title {
  margin: 10px 0 12px;
  font-size: clamp(28px, 4.4vw, 48px);
  line-height: 1.1;
}

.page-about .about-archive__grid {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(28px, 4vw, 40px);
}

.page-about .about-archive__panel {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: rgba(52, 60, 56, 0.32);
}

.page-about .about-archive__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 0.02em;
  color: var(--mint);
}

.page-about .about-archive__panel p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper-66);
}

.page-about .about-structure {
  padding-top: clamp(20px, 3vw, 28px);
  border-top: 1px solid var(--line-strong);
}

.page-about .about-structure__label {
  margin: 0 0 18px;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--paper-34);
}

.page-about .about-steps {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-steps__item {
  position: relative;
  padding: 18px 16px 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: linear-gradient(180deg, rgba(88, 242, 176, 0.06), rgba(88, 242, 176, 0));
}

.page-about .about-steps__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 2px;
  background: var(--mint);
}

.page-about .about-steps__num {
  display: block;
  margin-bottom: 8px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--signal);
}

.page-about .about-steps__name {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-about .about-steps__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--paper-66);
}

/* ---------- Partners ---------- */
.page-about .about-partners {
  padding-block: clamp(40px, 6vw, 76px);
}

.page-about .about-partners__head {
  margin-bottom: clamp(22px, 3vw, 32px);
}

.page-about .about-partners__head .section-title {
  margin: 10px 0 12px;
  font-size: clamp(28px, 4.4vw, 48px);
  line-height: 1.1;
}

.page-about .about-partners__media {
  position: relative;
  margin: 0 0 clamp(22px, 3.5vw, 36px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r);
}

.page-about .about-partners__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.72;
}

.page-about .about-partners__stats {
  display: grid;
  gap: 1px;
  margin-bottom: clamp(24px, 3.5vw, 36px);
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .about-partners__stat {
  display: grid;
  gap: 8px;
  padding: 18px 16px;
  background: var(--coal);
}

.page-about .about-partners__num {
  font-size: clamp(26px, 4vw, 34px);
  line-height: 1;
  color: var(--mint);
  font-variant-numeric: tabular-nums;
}

.page-about .about-partners__cap {
  font-size: 13px;
  line-height: 1.6;
  color: var(--paper-66);
}

.page-about .about-flow {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-flow__item {
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: rgba(52, 60, 56, 0.28);
}

.page-about .about-flow__item details {
  padding: 0;
}

.page-about .about-flow__item summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  -webkit-tap-highlight-color: transparent;
}

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

.page-about .about-flow__item summary:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 2px;
}

.page-about .about-flow__num {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--signal);
}

.page-about .about-flow__name {
  flex: 1;
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-about .about-flow__item summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--mint);
}

.page-about .about-flow__item details[open] summary::after {
  content: "−";
}

.page-about .about-flow__item details[open] {
  border-left: 2px solid var(--mint);
}

.page-about .about-flow__desc {
  margin: 0;
  padding: 0 18px 18px 46px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--paper-66);
}

/* ---------- Why ---------- */
.page-about .about-why {
  padding-block: clamp(40px, 6vw, 76px);
}

.page-about .about-why__head {
  margin-bottom: clamp(24px, 3.5vw, 36px);
}

.page-about .about-why__head .section-title {
  margin: 10px 0 12px;
  font-size: clamp(28px, 4.4vw, 48px);
  line-height: 1.1;
}

.page-about .about-why__band {
  margin-bottom: clamp(24px, 3.5vw, 36px);
  border-color: var(--line-ink);
  background: var(--line-ink);
}

.page-about .about-why__band .data-band__item {
  background: var(--paper);
}

.page-about .about-why__band .data-band__num {
  color: var(--clay);
  font-size: clamp(26px, 4vw, 34px);
}

.page-about .about-why__band .data-band__label {
  color: var(--ink-70);
  font-size: 13px;
  line-height: 1.55;
}

.page-about .about-why__grid {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(28px, 4vw, 40px);
}

.page-about .about-why__card {
  padding: 20px 18px;
  border-top: 2px solid var(--moss);
  background: rgba(244, 240, 228, 0.6);
}

.page-about .about-why__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-about .about-why__card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--ink-70);
}

.page-about .about-why__cta {
  display: grid;
  gap: 16px;
  padding-top: clamp(20px, 3vw, 28px);
  border-top: 1px solid var(--line-ink);
}

.page-about .about-why__cta-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-70);
}

.page-about .about-why__cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- Responsive ---------- */
@media (min-width: 640px) {
  .page-about .about-origin__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .about-origin__facts li {
    grid-template-columns: 1fr;
    gap: 10px;
    align-items: start;
  }

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

  .page-about .about-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

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

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

@media (min-width: 880px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
    align-items: end;
  }

  .page-about .about-origin__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.6fr);
    align-items: start;
  }

  .page-about .about-origin__facts {
    grid-column: 1 / -1;
  }

  .page-about .about-rail__row summary {
    grid-template-columns: 120px 1fr 24px;
  }

  .page-about .about-rail__body {
    padding-left: 120px;
  }

  .page-about .about-rail::before {
    left: 3px;
  }

  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 0.85fr);
    align-items: start;
  }

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

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

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

  .page-about .about-why__cta {
    grid-template-columns: 1fr auto;
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-team__item,
  .page-about .about-index__link {
    transition: none;
  }

  .page-about .about-team__item:hover,
  .page-about .about-team__item:focus-within {
    transform: none;
  }
}