.page-about {
  --about-rail: 156px;
  --about-body: rgba(242, 231, 207, 0.84);
  --about-body-dim: rgba(242, 231, 207, 0.72);
  background-color: var(--night);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: hidden;
}

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

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

.page-about p {
  margin: 0 0 1em;
}

.page-about h1,
.page-about h2,
.page-about h3,
.page-about h4 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.01em;
}

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

.page-about .about-hero {
  position: relative;
  padding: calc(var(--header-h) + 34px) 0 clamp(36px, 6vw, 64px);
  border-bottom: 2px solid var(--line-strong);
  background:
    radial-gradient(92% 70% at 88% 0%, rgba(183, 255, 42, 0.16), transparent 60%),
    radial-gradient(84% 72% at 0% 100%, rgba(255, 157, 46, 0.13), transparent 64%),
    var(--night);
  overflow: hidden;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(118deg, rgba(169, 183, 198, 0.075) 0 1px, transparent 1px 94px);
}

.page-about .about-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 30px;
}

.page-about .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-about .breadcrumbs .crumb {
  color: var(--mist);
  text-decoration: none;
}

.page-about .breadcrumbs a.crumb:hover {
  color: var(--volt);
}

.page-about .breadcrumbs .crumb-sep {
  color: rgba(169, 183, 198, 0.55);
}

.page-about .eyebrow {
  display: inline-block;
  margin: 18px 0 0;
  padding: 5px 10px;
  border-left: 3px solid var(--amber);
  background: rgba(255, 157, 46, 0.12);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-about h1 {
  margin: 16px 0 18px;
  font-size: clamp(33px, 7.4vw, 72px);
  line-height: 1.04;
  color: var(--paper);
  text-wrap: balance;
}

.page-about .about-hero .lede {
  max-width: 60ch;
  margin: 0;
  font-size: clamp(16px, 2.1vw, 18px);
  line-height: 1.8;
  color: var(--about-body);
}

.page-about .hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 2px solid var(--line-strong);
}

.page-about .hero-stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(24px, 5.2vw, 40px);
  line-height: 1;
  color: var(--volt);
}

.page-about .hero-stat-label {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.5;
  letter-spacing: 0.05em;
  color: var(--mist);
}

.page-about .about-hero-figure {
  margin: 0;
}

.page-about .figure-frame {
  position: relative;
  border: 2px solid var(--paper);
  box-shadow: 9px 9px 0 var(--stand);
  background: var(--stand);
  overflow: hidden;
}

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

.page-about .figure-tall .figure-frame {
  aspect-ratio: 4 / 5;
}

.page-about .figure-caption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------------- chapter shell ---------------- */

.page-about .about-section {
  padding: clamp(42px, 6.5vw, 82px) 0;
  border-bottom: 1px solid var(--line);
}

.page-about .about-section-last {
  border-bottom: none;
}

.page-about .chapter-grid {
  display: grid;
  gap: 22px;
}

.page-about .chapter-rail {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.page-about .chapter-num {
  flex: none;
  font-family: var(--font-display);
  font-size: clamp(44px, 10vw, 74px);
  line-height: 0.78;
  color: var(--amber);
}

.page-about .chapter-note {
  margin: 0;
  max-width: 26ch;
  padding-left: 11px;
  border-left: 2px solid var(--line-strong);
  font-family: var(--font-editorial);
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

.page-about h2 {
  font-size: clamp(25px, 4.4vw, 42px);
  line-height: 1.12;
  color: var(--paper);
  margin-bottom: 16px;
}

.page-about .chapter-body > p,
.page-about .chapter-lead {
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--about-body);
}

.page-about .chapter-lead {
  font-size: clamp(16px, 2vw, 18px);
  color: var(--paper);
}

.page-about .prose-split {
  display: grid;
  gap: 4px;
}

.page-about .prose-split p {
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--about-body);
}

.page-about .chapter-link {
  margin: 22px 0 0;
}

.page-about .chapter-link a {
  display: inline-block;
  padding-bottom: 3px;
  border-bottom: 2px solid var(--volt);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--volt);
  text-decoration: none;
}

.page-about .chapter-link a:hover,
.page-about .chapter-link a:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

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

.page-about .timeline {
  list-style: none;
  margin: 26px 0 0;
  padding: 0 0 0 28px;
  position: relative;
}

.page-about .timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 10px;
  width: 3px;
  background: linear-gradient(180deg, var(--volt), var(--amber) 58%, rgba(169, 183, 198, 0.32));
}

.page-about .tl-item {
  position: relative;
  padding-bottom: 26px;
}

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

.page-about .tl-item::before {
  content: "";
  position: absolute;
  left: -28px;
  top: 5px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--night);
  border: 3px solid var(--volt);
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.page-about .tl-item:hover::before {
  transform: scale(1.2);
  border-color: var(--amber);
}

.page-about .tl-year {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--volt);
}

.page-about .tl-title {
  font-size: 20px;
  line-height: 1.3;
  color: var(--paper);
  margin-bottom: 6px;
}

.page-about .tl-text {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--about-body-dim);
}

/* ---------------- crew ---------------- */

.page-about .crew-grid {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.page-about .crew-card {
  position: relative;
  padding: 18px 16px;
  background: var(--stand);
  border: 2px solid rgba(169, 183, 198, 0.38);
  box-shadow: 6px 6px 0 rgba(5, 15, 29, 0.7);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.page-about .crew-card:hover,
.page-about .crew-card:focus {
  transform: translate(-2px, -2px);
  border-color: var(--volt);
  box-shadow: 9px 9px 0 var(--volt);
  outline: none;
}

.page-about .crew-card:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

.page-about .crew-count {
  display: block;
  font-family: var(--font-display);
  font-size: 34px;
  line-height: 1;
  color: var(--volt);
}

.page-about .crew-unit {
  margin-left: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mist);
}

.page-about .crew-title {
  margin: 10px 0 8px;
  font-size: 20px;
  line-height: 1.25;
  color: var(--paper);
}

.page-about .crew-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--about-body-dim);
}

.page-about .crew-more {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.32s ease, opacity 0.26s ease, margin-top 0.32s ease;
}

.page-about .crew-more p {
  margin: 0;
  padding-top: 10px;
  border-top: 1px solid rgba(169, 183, 198, 0.35);
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-about .crew-card:hover .crew-more,
.page-about .crew-card:focus .crew-more {
  max-height: 200px;
  opacity: 1;
  margin-top: 12px;
}

/* ---------------- check block ---------------- */

.page-about .check-block {
  display: grid;
  gap: 26px;
  margin-top: 38px;
  padding-top: 30px;
  border-top: 2px solid var(--line-strong);
}

.page-about .check-figure {
  margin: 0;
}

.page-about .check-figure .figure-frame {
  aspect-ratio: 3 / 2;
  box-shadow: 9px 9px 0 var(--teal);
}

.page-about .check-heading {
  font-size: 22px;
  color: var(--paper);
  margin-bottom: 10px;
}

.page-about .check-copy > p {
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--about-body);
}

.page-about .check-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-about .check-list li {
  display: grid;
  gap: 6px;
  padding: 13px 0;
  border-top: 1px solid var(--line);
}

.page-about .check-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-about .check-list h4 {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 15px;
  margin-bottom: 4px;
  color: var(--paper);
}

.page-about .check-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--about-body-dim);
}

/* ---------------- paper panel ---------------- */

.page-about .paper-panel {
  background: var(--paper);
  color: var(--ink);
  border: 2px solid var(--ink);
  box-shadow: 12px 12px 0 var(--paper-shadow);
  padding: clamp(20px, 4vw, 42px);
}

.page-about .paper-head {
  display: grid;
  gap: 10px;
  padding-bottom: 22px;
  border-bottom: 2px solid var(--ink);
}

.page-about .paper-num {
  font-family: var(--font-display);
  font-size: clamp(38px, 8vw, 58px);
  line-height: 0.8;
  color: var(--card-red);
}

.page-about .paper-panel h2 {
  font-size: clamp(23px, 4vw, 36px);
  line-height: 1.15;
  color: var(--ink);
  margin-bottom: 10px;
}

.page-about .paper-panel p {
  color: rgba(36, 26, 18, 0.82);
}

.page-about .paper-head p {
  max-width: 62ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
}

.page-about .paper-grid {
  display: grid;
  gap: 24px;
  margin-top: 26px;
}

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

.page-about .index-item {
  display: grid;
  gap: 5px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(36, 26, 18, 0.24);
}

.page-about .index-item:first-child {
  padding-top: 0;
}

.page-about .index-key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--teal);
}

.page-about .index-item h3 {
  font-family: var(--font-display);
  font-size: 21px;
  color: var(--ink);
  margin-bottom: 4px;
}

.page-about .index-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
}

.page-about .paper-figure {
  margin: 0;
}

.page-about .paper-figure .figure-frame {
  aspect-ratio: 12 / 7;
  border-color: var(--ink);
  box-shadow: 8px 8px 0 var(--paper-shadow);
  background: var(--paper-shadow);
}

.page-about .paper-figure .figure-caption {
  color: rgba(36, 26, 18, 0.7);
}

.page-about .field-block {
  margin-top: 28px;
  padding-top: 22px;
  border-top: 2px solid var(--ink);
}

.page-about .field-title {
  font-size: 19px;
  color: var(--ink);
  margin-bottom: 14px;
}

.page-about .field-chips {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 16px;
  padding: 0;
}

.page-about .field-chip {
  padding: 6px 11px;
  background: rgba(216, 201, 174, 0.5);
  border: 1.5px solid rgba(36, 26, 18, 0.45);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--ink);
}

.page-about .field-note {
  max-width: 66ch;
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
}

/* ---------------- partner ecology ---------------- */

.page-about .eco-grid {
  display: grid;
  gap: 12px;
  margin: 26px 0 22px;
}

.page-about .eco-card {
  padding: 16px 14px;
  background: rgba(18, 52, 90, 0.55);
  border-left: 4px solid var(--amber);
}

.page-about .eco-total {
  background: var(--stand);
  border-left-color: var(--volt);
}

.page-about .eco-num {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(28px, 6vw, 42px);
  line-height: 1;
  color: var(--volt);
}

.page-about .eco-label {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.55;
  letter-spacing: 0.05em;
  color: var(--mist);
}

/* ---------------- values ---------------- */

.page-about .value-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-about .value-item {
  padding: 20px 0;
  border-top: 2px solid var(--line-strong);
}

.page-about .value-item:last-child {
  border-bottom: 2px solid var(--line-strong);
}

.page-about .value-key {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-editorial);
  font-size: clamp(22px, 4vw, 30px);
  letter-spacing: 0.06em;
  color: var(--volt);
}

.page-about .value-item p {
  margin: 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--about-body);
}

/* ---------------- closing cta ---------------- */

.page-about .about-close {
  padding: clamp(34px, 5vw, 62px) 0 clamp(48px, 7vw, 88px);
}

.page-about .about-cta {
  display: grid;
  gap: 24px;
  padding: clamp(24px, 4vw, 44px);
  border: 2px solid var(--volt);
  background: linear-gradient(104deg, var(--night-deep) 0%, var(--stand) 100%);
  box-shadow: 10px 10px 0 rgba(5, 15, 29, 0.6);
}

.page-about .about-cta .eyebrow {
  margin-top: 0;
}

.page-about .about-cta h2 {
  margin: 14px 0 12px;
  font-size: clamp(24px, 4vw, 38px);
  color: var(--paper);
}

.page-about .about-cta p {
  max-width: 58ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--about-body);
}

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

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

@media (min-width: 620px) {
  .page-about .crew-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-about .index-item {
    grid-template-columns: 78px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }

  .page-about .check-list li {
    grid-template-columns: 58px minmax(0, 1fr);
    gap: 14px;
  }
}

@media (min-width: 780px) {
  .page-about .prose-split {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px;
  }

  .page-about .check-block {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
    gap: 34px;
  }

  .page-about .paper-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
    gap: 32px;
  }

  .page-about .paper-head {
    grid-template-columns: 82px minmax(0, 1fr);
    align-items: start;
    gap: 20px;
  }

  .page-about .about-cta {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
    align-items: center;
    gap: 32px;
  }

  .page-about .about-cta-actions {
    justify-content: flex-end;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
    gap: clamp(30px, 4vw, 58px);
    align-items: end;
  }

  .page-about .chapter-grid {
    grid-template-columns: var(--about-rail) minmax(0, 1fr);
    gap: clamp(26px, 4vw, 58px);
  }

  .page-about .chapter-rail {
    flex-direction: column;
    gap: 18px;
  }

  .page-about .chapter-note {
    padding-left: 0;
    padding-top: 12px;
    border-left: none;
    border-top: 2px solid var(--line-strong);
    max-width: 20ch;
  }

  .page-about .timeline {
    padding-left: 34px;
  }

  .page-about .tl-item::before {
    left: -34px;
  }

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

@media (min-width: 1080px) {
  .page-about .crew-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .crew-card:nth-child(even) {
    margin-top: 30px;
  }

  .page-about .value-item {
    display: grid;
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 26px;
    align-items: baseline;
  }

  .page-about .value-key {
    margin-bottom: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .crew-card,
  .page-about .crew-more,
  .page-about .tl-item::before {
    transition: none;
  }

  .page-about .crew-card:hover,
  .page-about .crew-card:focus {
    transform: none;
  }
}
<<<END>>>