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

.page-about .about-top {
  padding-top: calc(var(--pad) * 0.7);
}

.page-about .about-crumbs {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.page-about .about-crumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-about .about-crumbs a:hover,
.page-about .about-crumbs a:focus-visible {
  color: var(--gold-hi);
  border-bottom-color: var(--gold);
}

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

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

.page-about .about-hero {
  display: grid;
  gap: calc(var(--pad) * 0.7);
  padding-top: calc(var(--pad) * 0.75);
  padding-bottom: calc(var(--pad) * 0.85);
}

.page-about .about-kicker {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.page-about .about-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.3rem, 6.6vw, 4.2rem);
  line-height: 1.14;
  letter-spacing: 0.045em;
  color: var(--paper);
}

.page-about .about-lead {
  margin: 24px 0 0;
  max-width: 32em;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--paper);
}

.page-about .about-lead--sub {
  margin-top: 14px;
  max-width: 34em;
  font-size: 0.97rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-about .about-vitals {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 20px;
  margin: 32px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--line);
}

.page-about .about-vitals dt {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-about .about-vitals dd {
  margin: 5px 0 0;
  font-family: var(--font-mono);
  font-size: 1.28rem;
  letter-spacing: 0.02em;
  color: var(--gold-hi);
}

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

.page-about .about-hero__media .figure__frame {
  position: relative;
  border: 1px solid var(--line);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
  background: var(--forest);
}

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

/* ---------- anchor strip ---------- */

.page-about .about-anchorwrap {
  padding-bottom: 4px;
}

.page-about .about-anchors {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  padding: 15px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-anchors a {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--muted);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-about .about-anchors a:hover,
.page-about .about-anchors a:focus-visible {
  color: var(--gold-hi);
  border-bottom-color: var(--gold);
  outline: none;
}

/* ---------- section shell ---------- */

.page-about .about-body {
  padding-bottom: calc(var(--pad) * 1.1);
}

.page-about .about-sec {
  display: grid;
  gap: calc(var(--pad) * 0.4);
  padding-top: calc(var(--pad) * 1);
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: 110px;
}

.page-about .about-sec:first-of-type {
  border-top: 0;
}

.page-about .about-sec__mark {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-family: var(--font-mono);
}

.page-about .about-sec__num {
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-about .about-sec__word {
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.page-about .about-sec h2 {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.65rem, 3.4vw, 2.45rem);
  line-height: 1.28;
  letter-spacing: 0.03em;
  color: var(--paper);
}

.page-about .about-sec p {
  margin: 0 0 16px;
  max-width: 40em;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--paper);
}

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

.page-about .about-note {
  margin-top: 24px !important;
  font-size: 0.92rem !important;
  color: var(--muted) !important;
  border-left: 2px solid var(--gold);
  padding-left: 16px;
}

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

.page-about .about-note a:hover,
.page-about .about-note a:focus-visible {
  border-bottom-color: var(--gold-hi);
}

/* ---------- factor accordion ---------- */

.page-about .about-factors {
  display: grid;
  gap: 12px;
  margin: 26px 0 0;
}

.page-about .about-factor {
  background: var(--forest);
  border: 1px solid var(--line-soft);
}

.page-about .about-factor summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 1.04rem;
  letter-spacing: 0.03em;
  color: var(--paper);
}

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

.page-about .about-factor summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--gold);
  transition: color 0.2s var(--ease);
}

.page-about .about-factor[open] summary::after {
  content: "−";
  color: var(--gold-hi);
}

.page-about .about-factor summary:focus-visible {
  outline: 2px solid var(--gold-focus);
  outline-offset: 3px;
}

.page-about .about-factor__key {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-about .about-factor p {
  margin: 0;
  padding: 0 20px 20px 50px;
  max-width: 44em;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- map ---------- */

.page-about .about-map-wrap {
  display: grid;
  gap: calc(var(--pad) * 0.5);
  margin: 26px 0 0;
}

.page-about .about-map {
  position: relative;
  padding: 26px 22px 22px;
  background:
    linear-gradient(158deg, rgba(111, 199, 183, 0.12), rgba(7, 28, 22, 0) 62%),
    var(--stand);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
  overflow: hidden;
}

.page-about .about-map::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(111, 199, 183, 0.09) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(111, 199, 183, 0.09) 1px, transparent 1px);
  background-size: 42px 42px;
  pointer-events: none;
}

.page-about .about-map__nodes {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 26px 30px;
  margin: 0;
  padding: 10px 0 0;
  list-style: none;
}

.page-about .about-map__node:nth-child(2n) {
  transform: translateY(15px);
}

.page-about .about-map__node:nth-child(5n+3) {
  transform: translateY(-9px);
}

.page-about .about-map__dot {
  position: relative;
  display: block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(201, 162, 75, 0.14);
  outline: none;
  transition: background 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-about .about-map__dot:hover,
.page-about .about-map__dot:focus-visible {
  background: var(--gold-hi);
  box-shadow: 0 0 0 6px rgba(231, 201, 122, 0.2);
}

.page-about .about-map__dot::after {
  content: attr(data-label);
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  padding: 5px 9px;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: var(--paper);
  background: var(--ink-deep);
  border: 1px solid var(--line);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-about .about-map__dot:hover::after,
.page-about .about-map__dot:focus-visible::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.page-about .about-map__legend {
  position: relative;
  margin: 30px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-about .about-map__facts {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-map__facts li {
  padding-left: 16px;
  border-left: 1px solid var(--line);
}

.page-about .about-map__facts strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--gold-hi);
}

.page-about .about-map__facts span {
  display: block;
  margin-top: 4px;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--muted);
}

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

.page-about .about-figure {
  margin: 30px 0 0;
}

.page-about .about-figure .figure__frame {
  border: 1px solid var(--line-soft);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
  background: var(--forest);
}

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

.page-about .figure__cap {
  margin-top: 10px;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* ---------- stats + cadence ---------- */

.page-about .about-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-stats li {
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.page-about .about-stats__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.55rem, 3.6vw, 2.2rem);
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-about .about-stats__num small {
  font-size: 0.5em;
  margin-left: 3px;
  color: var(--gold);
}

.page-about .about-stats__label {
  display: block;
  margin-top: 6px;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-about .about-cadence {
  margin: 18px 0 24px;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-about .about-cadence li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 0.93rem;
  line-height: 1.7;
  color: var(--paper);
}

.page-about .about-cadence .num {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: var(--gold-hi);
}

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

.page-about .about-timeline {
  position: relative;
  margin: 28px 0 0;
  padding: 0 0 0 26px;
  list-style: none;
  border-left: 1px solid var(--line);
}

.page-about .about-timeline__item {
  position: relative;
  padding-bottom: 30px;
}

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

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: -32px;
  top: 9px;
  width: 9px;
  height: 9px;
  background: var(--gold);
  transform: rotate(45deg);
  box-shadow: 0 0 0 4px rgba(201, 162, 75, 0.13);
}

.page-about .about-timeline__year {
  display: inline-block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 1.3rem;
  letter-spacing: 0.08em;
  color: var(--gold-hi);
}

.page-about .about-timeline__item h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 1.08rem;
  letter-spacing: 0.03em;
  color: var(--paper);
}

.page-about .about-timeline__item p {
  margin: 0;
  max-width: 38em;
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- cooperation ---------- */

.page-about .about-coop {
  display: grid;
  gap: 16px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-coop li {
  position: relative;
  padding: 22px 20px 20px;
  background: var(--forest);
  border: 1px solid var(--line-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-about .about-coop__no {
  display: inline-block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-about .about-coop strong {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-display);
  font-size: 1.12rem;
  letter-spacing: 0.03em;
  color: var(--paper);
}

.page-about .about-coop p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--muted);
}

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

/* ---------- responsive ---------- */

@media (min-width: 640px) {
  .page-about .about-vitals {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-about .about-cadence li {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

@media (min-width: 860px) {
  .page-about .about-hero {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: end;
    gap: calc(var(--pad) * 1.05);
  }

  .page-about .about-sec {
    grid-template-columns: 140px minmax(0, 1fr);
    gap: calc(var(--pad) * 0.85);
    padding-top: calc(var(--pad) * 1.1);
  }

  .page-about .about-sec__mark {
    position: sticky;
    top: 112px;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    height: max-content;
  }

  .page-about .about-map-wrap {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
    gap: calc(var(--pad) * 0.7);
  }

  .page-about .about-map__facts {
    align-content: start;
    padding-top: 6px;
  }

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

  .page-about .about-timeline {
    padding-left: 32px;
  }

  .page-about .about-timeline__item::before {
    left: -38px;
  }
}

@media (min-width: 1120px) {
  .page-about .about-hero {
    padding-top: calc(var(--pad) * 1);
    padding-bottom: calc(var(--pad) * 1.1);
  }

  .page-about .about-sec {
    grid-template-columns: 180px minmax(0, 1fr);
    padding-bottom: calc(var(--pad) * 0.25);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-anchors a,
  .page-about .about-crumbs a,
  .page-about .about-map__dot,
  .page-about .about-map__dot::after {
    transition: none;
  }

  .page-about .about-map__node:nth-child(2n),
  .page-about .about-map__node:nth-child(5n+3) {
    transform: none;
  }
}
</main>