.page-about {
  --about-line: rgba(230, 198, 107, 0.26);
  --about-line-strong: rgba(230, 198, 107, 0.52);
  --about-soft: rgba(246, 240, 223, 0.72);
  --about-paper-line: rgba(8, 17, 14, 0.16);
  --about-paper-line-strong: rgba(8, 17, 14, 0.28);
  background:
    radial-gradient(circle at 88% 2%, rgba(36, 20, 56, 0.92), transparent 42%),
    linear-gradient(180deg, var(--ink) 0%, #071a15 54%, var(--ink) 100%);
  color: var(--cream);
  font-family: var(--font-sans);
  overflow-x: clip;
}

.page-about *,
.page-about *::before,
.page-about *::after {
  box-sizing: border-box;
}

.page-about a:focus-visible,
.page-about summary:focus-visible,
.page-about .timeline-scroller:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-about .about-shell {
  padding-bottom: clamp(48px, 8vw, 88px);
}

.page-about .about-crumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  padding: 20px 0 16px;
  color: var(--mint);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
}

.page-about .about-crumb a {
  color: var(--cream);
  text-decoration: none;
  border-bottom: 1px solid var(--about-line-strong);
}

.page-about .about-crumb a:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-about .about-layout {
  display: grid;
  gap: 24px;
  align-items: start;
}

.page-about .about-rail {
  min-width: 0;
  border: 1px solid var(--about-line);
  background: linear-gradient(180deg, rgba(13, 46, 36, 0.92), rgba(6, 27, 22, 0.72));
  padding: 16px;
  border-radius: 2px 2px 24px 2px;
}

.page-about .about-rail__title {
  margin: 0 0 12px;
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
}

.page-about .about-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  overflow-x: auto;
  list-style: none;
  scrollbar-width: thin;
  scrollbar-color: var(--gold-deep) transparent;
}

.page-about .about-rail__link {
  display: block;
  padding: 8px 10px;
  border: 1px solid transparent;
  color: var(--cream);
  font-size: 13px;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  transition: color 180ms var(--ease), background 180ms var(--ease), border-color 180ms var(--ease);
}

.page-about .about-rail__link:hover {
  color: var(--cyan);
  border-color: var(--about-line-strong);
}

.page-about .about-rail__link.is-current {
  color: var(--dark);
  background: var(--gold);
  border-color: var(--gold);
}

.page-about .about-rail__years {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--about-line);
}

.page-about .about-rail__years-title {
  flex-basis: 100%;
  margin: 0;
  color: var(--mint);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
}

.page-about .about-rail__year {
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 11px;
  text-decoration: none;
  border-bottom: 1px solid var(--about-line);
}

.page-about .about-rail__year:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-about .about-body {
  min-width: 0;
}

.page-about .about-hero {
  position: relative;
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  overflow: hidden;
  padding: clamp(22px, 4vw, 52px);
  border: 1px solid var(--about-line-strong);
  border-radius: 2px 2px 34px 2px;
  background:
    linear-gradient(135deg, rgba(23, 69, 54, 0.62), rgba(6, 27, 22, 0.84) 52%, rgba(36, 20, 56, 0.92));
  box-shadow: var(--shadow-paper);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  right: -18%;
  bottom: -58%;
  left: 28%;
  height: 72%;
  background: repeating-linear-gradient(115deg, transparent 0 18px, rgba(230, 198, 107, 0.055) 18px 19px);
  transform: rotate(-4deg);
  pointer-events: none;
}

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

.page-about .about-hero__copy {
  min-width: 0;
}

.page-about .about-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
}

.page-about .about-kicker::before {
  content: "";
  width: 32px;
  height: 1px;
  background: var(--gold);
}

.page-about .about-kicker--dark {
  color: var(--gold-deep);
}

.page-about .about-kicker--dark::before {
  background: var(--gold-deep);
}

.page-about .about-hero__title {
  max-width: 12ch;
  margin: 0;
  color: var(--cream);
  font-size: clamp(2.5rem, 11vw, 5.6rem);
  font-weight: 900;
  line-height: 0.98;
  letter-spacing: -0.045em;
}

.page-about .about-hero__mark {
  color: var(--gold);
}

.page-about .about-hero__lead {
  max-width: 42em;
  margin: 22px 0 0;
  color: var(--about-soft);
  font-size: clamp(15px, 2.5vw, 17px);
  line-height: 1.85;
}

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

.page-about .about-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid var(--gold);
  border-radius: 2px 2px 18px 2px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  transition: transform 180ms var(--ease), background 180ms var(--ease), color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-about .about-btn:hover {
  transform: translateY(-2px);
}

.page-about .about-btn--primary {
  color: var(--dark);
  background: var(--gold);
  box-shadow: inset 0 -3px 0 rgba(168, 121, 42, 0.38);
}

.page-about .about-btn--primary:hover {
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-about .about-btn--ghost {
  color: var(--cream);
  background: transparent;
}

.page-about .about-btn--ghost:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-about .about-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-stat {
  padding: 12px 0 0;
  border-top: 1px solid var(--about-line);
}

.page-about .about-stat__num {
  display: block;
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: clamp(22px, 4vw, 30px);
  font-weight: 600;
  line-height: 1.1;
}

.page-about .about-stat__label {
  display: block;
  margin-top: 4px;
  color: var(--mint);
  font-size: 12px;
  line-height: 1.5;
}

.page-about .about-hero__figure {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
  margin: 0;
}

.page-about .about-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--about-line-strong);
  object-fit: cover;
  filter: saturate(0.9) contrast(1.05);
}

.page-about .about-hero__caption {
  color: var(--mint);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.7;
}

.page-about .about-story {
  display: grid;
  gap: 18px;
  margin-top: clamp(28px, 5vw, 56px);
  padding-top: clamp(18px, 3vw, 30px);
  border-top: 1px solid var(--about-line);
}

.page-about .about-story__title {
  margin: 0;
  color: var(--cream);
  font-size: clamp(1.5rem, 3.5vw, 2.4rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.025em;
}

.page-about .about-story__text {
  max-width: 46em;
}

.page-about .about-story__text p {
  margin: 0 0 14px;
  color: var(--about-soft);
  font-size: 15px;
  line-height: 1.85;
}

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

.page-about .about-section {
  padding-top: clamp(52px, 9vw, 100px);
  scroll-margin-top: 110px;
}

.page-about .about-section-head {
  max-width: 58em;
  margin-bottom: clamp(22px, 4vw, 38px);
}

.page-about .about-section-title {
  margin: 0 0 14px;
  color: var(--cream);
  font-size: clamp(1.8rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.page-about .about-section-lead {
  max-width: 48em;
  margin: 0;
  color: var(--about-soft);
  font-size: 15px;
  line-height: 1.85;
}

.page-about .rule-map {
  display: grid;
  gap: 24px;
}

.page-about .rule-map__main {
  min-width: 0;
}

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

.page-about .rule-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 18px 4px;
  border-top: 1px solid var(--about-line);
  transition: background 180ms var(--ease);
}

.page-about .rule-item:last-child {
  border-bottom: 1px solid var(--about-line);
}

.page-about .rule-item:hover {
  background: rgba(23, 69, 54, 0.32);
}

.page-about .rule-item__index {
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 600;
  line-height: 1.2;
}

.page-about .rule-item__title {
  margin: 0 0 6px;
  color: var(--cream);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-about .rule-item__text {
  margin: 0;
  color: var(--about-soft);
  font-size: 14px;
  line-height: 1.78;
}

.page-about .rule-map__aside {
  align-self: start;
  padding: 24px;
  border: 1px solid var(--about-line);
  border-radius: 2px 2px 26px 2px;
  background: linear-gradient(160deg, var(--ink-2), rgba(36, 20, 56, 0.78));
}

.page-about .rule-aside__badge {
  display: inline-block;
  margin: 0 0 16px;
  padding: 6px 10px;
  color: var(--dark);
  background: var(--gold);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  transform: rotate(-2deg);
}

.page-about .rule-aside__text {
  margin: 0 0 12px;
  color: var(--cream);
  font-size: 14px;
  line-height: 1.82;
}

.page-about .rule-aside__note {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--about-line);
  color: var(--mint);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.7;
}

.page-about .about-process {
  margin-top: clamp(52px, 9vw, 100px);
  padding: clamp(26px, 5vw, 56px);
  border: 1px solid var(--gold-deep);
  border-radius: 2px 2px 38px 2px;
  background: var(--cream);
  color: var(--dark);
  box-shadow: var(--shadow-paper);
  scroll-margin-top: 110px;
}

.page-about .about-process__head {
  max-width: 58em;
  margin-bottom: clamp(22px, 4vw, 38px);
}

.page-about .about-process .about-section-title {
  color: var(--dark);
}

.page-about .about-process .about-section-lead {
  color: rgba(8, 17, 14, 0.72);
}

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

.page-about .about-process__figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--about-paper-line-strong);
  object-fit: cover;
}

.page-about .about-process__figure figcaption {
  margin-top: 10px;
  color: rgba(8, 17, 14, 0.62);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.7;
}

.page-about .about-process__grid {
  display: grid;
  gap: 14px;
}

.page-about .about-step {
  border: 1px solid var(--about-paper-line);
  background: rgba(8, 17, 14, 0.045);
  transition: background 180ms var(--ease), border-color 180ms var(--ease);
}

.page-about .about-step[open] {
  border-color: var(--gold-deep);
  background: rgba(230, 198, 107, 0.14);
}

.page-about .about-step__summary {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px 12px;
  align-items: baseline;
  padding: 16px 38px 16px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-about .about-step__summary::after {
  content: "+";
  position: absolute;
  top: 14px;
  right: 16px;
  color: var(--gold-deep);
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
}

.page-about .about-step[open] .about-step__summary::after {
  content: "−";
}

.page-about .about-step__num {
  color: var(--red);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
}

.page-about .about-step__title {
  color: var(--dark);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-about .about-step__hint {
  grid-column: 2;
  color: rgba(8, 17, 14, 0.6);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.4;
}

.page-about .about-step__body {
  padding: 0 16px 16px 41px;
}

.page-about .about-step__body p {
  margin: 0 0 12px;
  color: rgba(8, 17, 14, 0.78);
  font-size: 14px;
  line-height: 1.78;
}

.page-about .about-step__body .about-step__note {
  margin: 0;
  padding-top: 10px;
  border-top: 1px solid var(--about-paper-line);
  color: var(--gold-deep);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
}

.page-about .about-process__foot {
  margin: 24px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--about-paper-line);
  color: rgba(8, 17, 14, 0.7);
  font-size: 13px;
  line-height: 1.8;
}

.page-about .about-team {
  padding-top: clamp(52px, 9vw, 100px);
}

.page-about .team-grid {
  display: grid;
  gap: 14px;
}

.page-about .team-card {
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--about-line);
  border-radius: 2px 2px 22px 2px;
  background: linear-gradient(180deg, rgba(13, 46, 36, 0.9), rgba(6, 27, 22, 0.68));
  transition: transform 220ms var(--ease), border-color 220ms var(--ease);
}

.page-about .team-card:hover {
  transform: translateY(-4px);
  border-color: var(--about-line-strong);
}

.page-about .team-card__icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 16px;
  border: 1px solid var(--about-line-strong);
  color: var(--gold);
  background: rgba(230, 198, 107, 0.06);
}

.page-about .team-card__title {
  margin: 0 0 8px;
  color: var(--cream);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-about .team-card__text {
  margin: 0;
  color: var(--about-soft);
  font-size: 14px;
  line-height: 1.78;
}

.page-about .team-card__foot {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--about-line);
  color: var(--mint);
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 1.6;
}

.page-about .about-team__note {
  max-width: 52em;
  margin: 22px 0 0;
  color: var(--mint);
  font-size: 13px;
  line-height: 1.8;
}

.page-about .about-timeline {
  padding-top: clamp(52px, 9vw, 100px);
  scroll-margin-top: 110px;
}

.page-about .about-timeline__figure {
  margin: 0 0 18px;
}

.page-about .about-timeline__figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--about-line);
  object-fit: cover;
  filter: saturate(0.85);
}

.page-about .timeline-scroller {
  overflow-x: auto;
  padding-bottom: 16px;
  scrollbar-width: thin;
  scrollbar-color: var(--gold-deep) transparent;
}

.page-about .timeline-track {
  display: flex;
  gap: 14px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
}

.page-about .timeline-node {
  flex: 0 0 min(82vw, 310px);
  min-width: 0;
  scroll-snap-align: start;
  scroll-margin-top: 120px;
  padding: 20px;
  border: 1px solid var(--about-line);
  border-top: 3px solid var(--gold);
  background: linear-gradient(155deg, rgba(23, 69, 54, 0.72), rgba(36, 20, 56, 0.78));
}

.page-about .timeline-node__year {
  display: block;
  margin-bottom: 12px;
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: clamp(22px, 4vw, 30px);
  font-weight: 600;
  line-height: 1;
}

.page-about .timeline-node__title {
  margin: 0 0 8px;
  color: var(--cream);
  font-size: 17px;
  font-weight: 800;
}

.page-about .timeline-node__text {
  margin: 0 0 16px;
  color: var(--about-soft);
  font-size: 13px;
  line-height: 1.78;
}

.page-about .timeline-node__tag {
  display: inline-block;
  padding: 4px 8px;
  border: 1px solid var(--about-line-strong);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 1.4;
}

.page-about .about-timeline__hint {
  margin: 6px 0 0;
  color: var(--mint);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.7;
}

.page-about .about-service {
  padding-top: clamp(52px, 9vw, 100px);
}

.page-about .service-grid {
  display: grid;
  gap: 14px;
}

.page-about .service-card {
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--about-line);
  background: rgba(13, 46, 36, 0.52);
}

.page-about .service-card__title {
  margin: 0 0 10px;
  color: var(--gold);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-about .service-card__text {
  margin: 0 0 16px;
  color: var(--about-soft);
  font-size: 14px;
  line-height: 1.8;
}

.page-about .service-card__link {
  display: inline-block;
  color: var(--cream);
  font-family: var(--font-mono);
  font-size: 12px;
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
}

.page-about .service-card__link:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-about .correction-card {
  margin-top: 22px;
  padding: clamp(22px, 4vw, 34px);
  border: 1px solid var(--about-line-strong);
  border-radius: 2px 2px 28px 2px;
  background:
    linear-gradient(135deg, rgba(36, 20, 56, 0.92), rgba(13, 46, 36, 0.9));
}

.page-about .correction-card__title {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: clamp(1.2rem, 3vw, 1.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.page-about .correction-card__text {
  max-width: 58em;
  margin: 0 0 14px;
  color: var(--about-soft);
  font-size: 14px;
  line-height: 1.82;
}

.page-about .correction-card__text a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(91, 227, 216, 0.5);
}

.page-about .correction-card__text a:hover {
  color: var(--cream);
  border-color: var(--cream);
}

.page-about .correction-card .about-btn {
  margin-top: 6px;
}

.page-about .about-backtop {
  margin: 28px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
}

.page-about .about-backtop a {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid var(--about-line);
}

.page-about .about-backtop a:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

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

.js-reveal .page-about [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 360ms var(--ease), transform 420ms var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
}

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

@media (min-width: 620px) {
  .page-about .about-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

@media (min-width: 900px) {
  .page-about .about-layout {
    grid-template-columns: 250px minmax(0, 1fr);
    gap: 42px;
  }

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

  .page-about .about-rail__list {
    display: grid;
    gap: 2px;
    overflow-x: visible;
    padding-bottom: 0;
  }

  .page-about .about-rail__link {
    padding: 9px 10px;
    white-space: normal;
  }

  .page-about .about-hero {
    grid-template-columns: minmax(0, 1.08fr) minmax(280px, 0.92fr);
    align-items: stretch;
  }

  .page-about .about-hero__figure img {
    height: 100%;
    min-height: 360px;
  }

  .page-about .about-story {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: 32px;
    align-items: start;
  }

  .page-about .rule-map {
    grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.65fr);
    gap: 32px;
  }

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

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

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

  .page-about .correction-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0 28px;
    align-items: start;
  }

  .page-about .correction-card__title,
  .page-about .correction-card__text {
    grid-column: 1;
  }

  .page-about .correction-card .about-btn {
    grid-column: 2;
    grid-row: 1 / span 3;
    align-self: center;
    margin-top: 0;
  }
}

@media (min-width: 1180px) {
  .page-about .about-layout {
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 56px;
  }

  .page-about .about-hero {
    padding: 52px;
  }

  .page-about .about-hero__figure img {
    min-height: 430px;
  }

  .page-about .timeline-node {
    flex-basis: 300px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

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

.page-about {
  --reveal-delay: 0.3s;
}