.page-about {
  --about-nav-w: 15rem;
  --about-rule: rgba(18, 26, 24, 0.14);
  background: var(--paper);
  color: var(--black);
  font-family: var(--sans);
}

.page-about .about-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 84% 16%, rgba(199, 168, 107, 0.2), transparent 34%),
    linear-gradient(180deg, var(--paper-2), var(--paper));
  border-bottom: var(--hair);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0.55;
}

.page-about .about-hero .shell {
  padding-block: 1.2rem clamp(3rem, 7vw, 6rem);
}

.page-about .about-hero .crumbs {
  margin: 0 0 clamp(2rem, 5vw, 4rem);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.page-about .about-hero__grid {
  display: grid;
  gap: 1.25rem;
}

.page-about .about-hero__mark {
  font-family: var(--mono);
  font-size: clamp(4.4rem, 15vw, 9rem);
  line-height: 0.8;
  letter-spacing: -0.06em;
  color: rgba(14, 42, 36, 0.08);
  -webkit-text-stroke: 1px rgba(14, 42, 36, 0.32);
}

.page-about .about-hero__eyebrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin: 0 0 1rem;
}

.page-about .about-hero h1 {
  max-width: 14ch;
  margin: 0 0 1.2rem;
  font-family: var(--serif);
  font-size: clamp(2.15rem, 5.4vw, 4.4rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-about .about-hero .lede {
  max-width: 62ch;
  margin: 0 0 1.8rem;
  font-size: clamp(1rem, 1.6vw, 1.16rem);
  line-height: 1.82;
  color: rgba(18, 26, 24, 0.82);
}

.page-about .about-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem 1.6rem;
  padding-top: 1rem;
  border-top: var(--hair-soft);
}

.page-about .about-hero__meta-item {
  display: grid;
  gap: 0.2rem;
  min-width: 8rem;
}

.page-about .about-hero__meta-key {
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--slate);
}

.page-about .about-hero__meta-value {
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 700;
}

.page-about .about-layout {
  display: grid;
  gap: 1.5rem;
  padding-block: clamp(2rem, 5vw, 4rem) clamp(4rem, 8vw, 7rem);
}

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

.page-about .chapter-nav {
  padding-top: 1rem;
  border-top: var(--hair);
}

.page-about .chapter-nav__label {
  margin: 0 0 0.75rem;
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  color: var(--slate);
}

.page-about .chapter-nav__list {
  display: flex;
  gap: 0.5rem;
  margin: 0;
  padding: 0 0 0.35rem;
  overflow-x: auto;
  list-style: none;
  scrollbar-width: thin;
}

.page-about .chapter-nav__list li {
  flex: 0 0 auto;
}

.page-about .chapter-nav__link {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 0.55rem;
  padding: 0.65rem 0.8rem;
  border: 1px solid var(--silver);
  border-radius: var(--radius);
  background: rgba(251, 246, 234, 0.5);
  color: var(--ink);
  font-size: 0.82rem;
  text-decoration: none;
  white-space: nowrap;
}

.page-about .chapter-nav__link .mono {
  color: var(--gold);
  font-size: 0.72rem;
}

.page-about .chapter-nav__link:hover,
.page-about .chapter-nav__link:focus-visible {
  border-color: var(--gold);
  background: var(--paper-2);
}

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

.page-about .about-section {
  padding-block: clamp(2rem, 4vw, 3.5rem);
  border-top: var(--hair);
  scroll-margin-top: 7rem;
}

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

.page-about .about-section__head {
  display: grid;
  gap: 0.45rem;
  margin-bottom: 1.5rem;
}

.page-about .section-kicker {
  margin: 0;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--slate);
}

.page-about .about-section h2 {
  max-width: 22ch;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.55rem, 3.2vw, 2.45rem);
  line-height: 1.22;
  color: var(--ink);
}

.page-about .section-index {
  display: inline-block;
  margin-right: 0.5rem;
  color: var(--gold);
  font-family: var(--mono);
  font-size: 0.72em;
  letter-spacing: 0.04em;
}

.page-about .about-prose {
  max-width: 64ch;
}

.page-about .about-prose p {
  margin: 0 0 1rem;
  line-height: 1.85;
  color: rgba(18, 26, 24, 0.84);
}

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

.page-about .about-prose a {
  color: var(--ink-soft);
  text-decoration: underline;
  text-decoration-color: var(--gold);
  text-underline-offset: 0.18em;
}

.page-about .about-prose a:hover {
  color: var(--ink);
}

.page-about .origin-grid {
  display: grid;
  gap: 1.5rem;
}

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

.page-about .about-figure .figure__media {
  overflow: hidden;
  border: var(--hair);
  background: var(--paper-gold);
}

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

.page-about .about-figure--origin .figure__media {
  aspect-ratio: 10 / 7;
}

.page-about .about-figure--timeline .figure__media {
  aspect-ratio: 2 / 1;
}

.page-about .about-figure--team .figure__media {
  aspect-ratio: 3 / 2;
}

.page-about .about-figure .figure__caption {
  margin-top: 0.55rem;
  font-size: 0.74rem;
  letter-spacing: 0.03em;
  color: var(--slate);
}

.page-about .method-list {
  display: grid;
  gap: 0;
  margin: 1.4rem 0 0;
  padding: 0;
  list-style: none;
}

.page-about .method-list li {
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr);
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: var(--hair-soft);
}

.page-about .method-list li:first-child {
  padding-top: 0;
}

.page-about .method-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-about .method-list__num {
  padding-top: 0.25rem;
  color: var(--gold);
  font-size: 0.76rem;
}

.page-about .method-list h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
}

.page-about .method-list p {
  margin: 0;
  line-height: 1.8;
  color: rgba(18, 26, 24, 0.78);
}

.page-about .status-grid {
  display: grid;
  gap: 0.9rem;
  margin: 1.4rem 0 1.5rem;
}

.page-about .status-card {
  padding: 1.1rem 1rem 1.2rem;
  border: var(--hair);
  border-radius: var(--radius);
  background: var(--paper-2);
  box-shadow: var(--shadow-card);
}

.page-about .status-card--review {
  border-color: rgba(180, 72, 47, 0.35);
  background: linear-gradient(180deg, rgba(180, 72, 47, 0.06), var(--paper-2));
}

.page-about .status-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.8rem;
}

.page-about .status-card__code {
  color: var(--silver);
  font-size: 0.74rem;
}

.page-about .status-card h3 {
  margin: 0 0 0.4rem;
  font-family: var(--serif);
  font-size: 1.25rem;
  color: var(--ink);
}

.page-about .status-card p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: rgba(18, 26, 24, 0.78);
}

.page-about .device-strip {
  display: grid;
  gap: 0.75rem;
  padding: 1rem;
  border-left: 3px solid var(--gold);
  background: rgba(127, 150, 146, 0.18);
}

.page-about .device-strip__label {
  margin: 0;
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--ink-soft);
}

.page-about .device-strip__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .device-strip__list li {
  padding: 0.28rem 0.55rem;
  border: 1px solid rgba(14, 42, 36, 0.2);
  border-radius: var(--radius);
  background: rgba(245, 239, 226, 0.58);
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--ink);
}

.page-about .device-strip__note {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.75;
  color: rgba(18, 26, 24, 0.76);
}

.page-about .device-strip__note a {
  color: var(--ink-soft);
  text-decoration: underline;
  text-decoration-color: var(--gold);
  text-underline-offset: 0.18em;
}

.page-about .timeline {
  display: grid;
  gap: 0.75rem;
  margin: 1.5rem 0 0;
  padding: 0 0 0 1.2rem;
  border-left: 1px solid var(--silver);
  list-style: none;
}

.page-about .timeline__item {
  position: relative;
}

.page-about .timeline__item::before {
  content: "";
  position: absolute;
  left: -1.46rem;
  top: 1rem;
  width: 0.5rem;
  height: 0.5rem;
  border: 1px solid var(--gold);
  border-radius: 50%;
  background: var(--paper);
}

.page-about .timeline__details {
  border: var(--hair-soft);
  background: rgba(251, 246, 234, 0.62);
}

.page-about .timeline__details[open] {
  border-color: rgba(199, 168, 107, 0.5);
  background: var(--paper-2);
}

.page-about .timeline__details summary {
  display: grid;
  grid-template-columns: 4.2rem minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  cursor: pointer;
  list-style: none;
}

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

.page-about .timeline__year {
  color: var(--amber);
  font-size: 0.76rem;
  font-weight: 700;
}

.page-about .timeline__title {
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--ink);
}

.page-about .timeline__hint {
  color: var(--slate);
  font-size: 1rem;
  line-height: 1;
  transition: transform 0.2s ease, color 0.2s ease;
}

.page-about .timeline__details[open] .timeline__hint {
  transform: rotate(45deg);
  color: var(--clay);
}

.page-about .timeline__details p {
  margin: 0;
  padding: 0 1rem 1rem;
  line-height: 1.8;
  color: rgba(18, 26, 24, 0.78);
}

.page-about .team-grid {
  display: grid;
  gap: 1rem;
  margin: 1.4rem 0 1.5rem;
}

.page-about .team-card {
  padding: 1.2rem;
  border: 1px solid rgba(199, 168, 107, 0.5);
  border-radius: var(--radius);
  background: var(--paper-gold);
  transition: transform 0.2s ease, background 0.2s ease;
}

.page-about .team-card:hover {
  transform: translateY(-3px);
  background: var(--paper-2);
}

.page-about .team-card__role {
  display: inline-block;
  margin-bottom: 0.8rem;
}

.page-about .team-card h3 {
  margin: 0 0 0.5rem;
  font-family: var(--serif);
  font-size: 1.2rem;
  color: var(--ink);
}

.page-about .team-card p {
  margin: 0 0 0.9rem;
  font-size: 0.92rem;
  line-height: 1.75;
  color: rgba(18, 26, 24, 0.78);
}

.page-about .team-card__foot {
  display: block;
  padding-top: 0.65rem;
  border-top: 1px solid rgba(14, 42, 36, 0.18);
  color: var(--ink-soft);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
}

.page-about .reach-panel {
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: 1px solid rgba(199, 168, 107, 0.35);
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--ink), var(--ink-deep));
  color: var(--paper);
  box-shadow: 0 30px 70px -50px rgba(8, 26, 22, 0.8);
}

.page-about .reach-panel h2 {
  margin: 0.8rem 0 1rem;
  color: var(--paper);
}

.page-about .reach-panel .section-index {
  color: var(--amber);
}

.page-about .reach-panel p {
  max-width: 62ch;
  margin: 0 0 1rem;
  line-height: 1.82;
  color: rgba(245, 239, 226, 0.82);
}

.page-about .reach-panel__link {
  color: var(--paper);
  text-decoration: underline;
  text-decoration-color: var(--gold);
  text-underline-offset: 0.18em;
}

.page-about .reach-panel__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.page-about .reach-panel__note {
  margin: 1.5rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid rgba(199, 168, 107, 0.3);
  font-size: 0.82rem;
  color: rgba(245, 239, 226, 0.65);
}

@media (min-width: 680px) {
  .page-about .status-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .status-card:nth-child(even) {
    margin-top: 1rem;
  }
}

@media (min-width: 760px) {
  .page-about .origin-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 2.5rem;
    align-items: start;
  }

  .page-about .about-figure--origin {
    margin-top: 2.5rem;
  }

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

  .page-about .team-card:nth-child(2) {
    margin-top: 1.5rem;
  }

  .page-about .team-card:nth-child(3) {
    margin-top: 3rem;
  }
}

@media (min-width: 960px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(7rem, 0.32fr) minmax(0, 1fr);
    align-items: end;
    gap: 2rem;
  }

  .page-about .about-layout {
    grid-template-columns: var(--about-nav-w) minmax(0, 1fr);
    gap: clamp(2.5rem, 5vw, 5rem);
    align-items: start;
  }

  .page-about .about-aside {
    position: sticky;
    top: 7rem;
  }

  .page-about .chapter-nav__list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-about .chapter-nav__list li + li {
    margin-top: 0.2rem;
  }

  .page-about .chapter-nav__link {
    padding: 0.55rem 0.35rem;
    border-color: transparent;
    border-bottom: 1px solid transparent;
    border-radius: 0;
    background: transparent;
    font-size: 0.86rem;
  }

  .page-about .chapter-nav__link:hover,
  .page-about .chapter-nav__link:focus-visible {
    border-color: transparent;
    border-bottom-color: var(--gold);
    background: transparent;
  }
}

@media (max-width: 479px) {
  .page-about .timeline__details summary {
    grid-template-columns: 3.4rem minmax(0, 1fr);
  }

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

  .page-about .about-hero__meta {
    gap: 0.8rem;
  }
}
<<<END>>>