.page-about {
  --about-gutter: clamp(1.15rem, 4vw, 3.25rem);
  --about-max: 1140px;
  --about-panel: linear-gradient(158deg, rgba(17, 59, 58, .92), rgba(11, 31, 42, .94));
  background-color: var(--ink-deep);
  color: var(--ivory);
  font-family: var(--font-body);
  line-height: 1.75;
  padding-bottom: clamp(2.5rem, 7vw, 5rem);
  background-image:
    repeating-linear-gradient(0deg, rgba(178, 122, 60, .06) 0 1px, transparent 1px 46px),
    repeating-linear-gradient(90deg, rgba(178, 122, 60, .06) 0 1px, transparent 1px 46px),
    radial-gradient(130% 70% at 88% 0%, rgba(17, 59, 58, .85), transparent 62%);
}

.page-about .about-wrap {
  width: 100%;
  max-width: var(--about-max);
  margin-inline: auto;
  padding-inline: var(--about-gutter);
}

.page-about .crumbs {
  padding-block: 1.1rem .25rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .08em;
  color: rgba(242, 232, 216, .62);
}

.page-about .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .crumbs li + li::before {
  content: "/";
  margin-right: .45rem;
  color: rgba(178, 122, 60, .7);
}

.page-about .crumbs a {
  color: rgba(242, 232, 216, .74);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

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

.page-about .eyebrow {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--brass-bright);
  margin: 0 0 .8rem;
}

/* ---------- hero ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(1.6rem, 5vw, 3.2rem) clamp(2.4rem, 6vw, 4.2rem);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  right: -140px;
  top: -110px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  pointer-events: none;
  background:
    radial-gradient(circle, transparent 57%, rgba(178, 122, 60, .22) 58%, transparent 59%),
    radial-gradient(circle, transparent 71%, rgba(178, 122, 60, .14) 72%, transparent 73%),
    radial-gradient(circle, transparent 86%, rgba(86, 185, 155, .1) 87%, transparent 88%);
}

.page-about .about-hero__grid {
  display: grid;
  gap: 2rem;
}

.page-about .about-hero__title {
  font-family: var(--font-display);
  font-size: clamp(1.95rem, 6.4vw, 3.9rem);
  line-height: 1.12;
  letter-spacing: .01em;
  margin: 0 0 1.1rem;
  color: var(--ivory);
}

.page-about .about-hero__title span {
  display: block;
  margin-top: .3rem;
  font-size: .68em;
  color: var(--brass-bright);
}

.page-about .about-hero__intro {
  max-width: 60ch;
  margin: 0 0 1.6rem;
  font-size: 1rem;
  color: rgba(242, 232, 216, .84);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
}

.page-about .about-plate {
  position: relative;
  padding: 1.35rem 1.2rem 1.2rem;
  background: var(--about-panel);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}

.page-about .about-plate__label {
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(242, 232, 216, .58);
}

.page-about .about-plate__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .95rem 1rem;
  margin: 0;
}

.page-about .about-plate__stats dt {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .12em;
  color: rgba(242, 232, 216, .58);
}

.page-about .about-plate__stats dd {
  margin: .2rem 0 0;
  font-family: var(--font-mono);
  font-size: clamp(1.4rem, 4vw, 1.85rem);
  line-height: 1.1;
  color: var(--brass-bright);
}

.page-about .about-plate__stats dd span {
  margin-left: .18rem;
  font-size: .5em;
  color: rgba(242, 232, 216, .68);
}

.page-about .about-plate__foot {
  margin: 1.15rem 0 0;
  padding-top: .85rem;
  border-top: 1px solid var(--line-soft);
  font-size: .82rem;
  color: rgba(242, 232, 216, .66);
}

/* ---------- shared band ---------- */
.page-about .about-band {
  padding-block: clamp(2.2rem, 6vw, 3.8rem);
  border-top: 1px solid var(--line-soft);
}

.page-about .about-h2 {
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 4.4vw, 2.25rem);
  line-height: 1.24;
  margin: 0 0 1rem;
  color: var(--ivory);
}

.page-about .about-h2::before {
  content: "";
  display: block;
  width: 54px;
  height: 2px;
  margin-bottom: .85rem;
  background: linear-gradient(90deg, var(--brass), rgba(178, 122, 60, 0));
}

.page-about .about-text p {
  margin: 0 0 1rem;
  max-width: 64ch;
  font-size: 1rem;
  color: rgba(242, 232, 216, .84);
}

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

.page-about .about-text strong {
  color: var(--ivory);
  font-weight: 600;
}

.page-about .about-text--wide {
  margin: 0 0 1.8rem;
  max-width: 66ch;
  font-size: 1rem;
  color: rgba(242, 232, 216, .82);
}

/* ---------- figures ---------- */
.page-about .about-figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink-deeper);
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform .55s var(--ease);
}

.page-about .about-figure:hover img,
.page-about .about-figure:focus-within img {
  transform: scale(1.04);
}

.page-about .about-figure figcaption {
  padding: .8rem 1rem;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: .72rem;
  line-height: 1.6;
  letter-spacing: .02em;
  color: rgba(242, 232, 216, .62);
}

/* ---------- origin ---------- */
.page-about .about-origin__grid {
  display: grid;
  gap: 1.8rem;
}

/* ---------- epochs ---------- */
.page-about .epoch-wrap {
  display: grid;
  gap: 1.8rem;
}

.page-about .epoch-index {
  border-left: 2px solid var(--brass);
  padding-left: .95rem;
}

.page-about .epoch-index__title {
  margin: 0 0 .6rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(242, 232, 216, .55);
}

.page-about .epoch-index ol {
  display: grid;
  gap: .1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .epoch-index a {
  display: flex;
  gap: .55rem;
  align-items: baseline;
  padding: .3rem .35rem;
  font-size: .88rem;
  color: rgba(242, 232, 216, .76);
  text-decoration: none;
  transition: color .2s var(--ease), background .2s var(--ease);
}

.page-about .epoch-index a:hover,
.page-about .epoch-index a:focus-visible {
  color: var(--brass-bright);
  background: rgba(178, 122, 60, .12);
}

.page-about .epoch-index__num {
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--brass);
}

.page-about .epoch-list {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0 0 0 1.35rem;
}

.page-about .epoch-list::before {
  content: "";
  position: absolute;
  left: 0;
  top: .8rem;
  bottom: .8rem;
  width: 1px;
  background: linear-gradient(180deg, var(--brass), rgba(178, 122, 60, .1));
}

.page-about .epoch {
  position: relative;
  margin-bottom: 1rem;
}

.page-about .epoch::before {
  content: "";
  position: absolute;
  left: -1.35rem;
  top: 1.15rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink-deep);
  border: 1.5px solid var(--brass);
  transform: translateX(-4px);
}

.page-about .epoch__sum {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .4rem .7rem;
  padding: .85rem 1rem;
  cursor: pointer;
  list-style: none;
  background: rgba(17, 59, 58, .5);
  border: 1px solid var(--line-soft);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
  transition: background .2s var(--ease), border-color .2s var(--ease);
}

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

.page-about .epoch__sum::marker {
  content: "";
}

.page-about .epoch__sum:hover {
  background: rgba(17, 59, 58, .78);
  border-color: var(--line);
}

.page-about .epoch__fold[open] .epoch__sum {
  background: rgba(17, 59, 58, .9);
  border-color: var(--line);
}

.page-about .epoch__num {
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--brass-bright);
}

.page-about .epoch__name {
  flex: 1 1 12ch;
  font-family: var(--font-display);
  font-size: 1.02rem;
  color: var(--ivory);
}

.page-about .epoch__badge {
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .14em;
  padding: .15rem .5rem;
  color: var(--mint);
  border: 1px solid rgba(86, 185, 155, .45);
}

.page-about .epoch__body {
  padding: .9rem .2rem .2rem 1rem;
  border-left: 1px solid var(--line-soft);
  margin-left: .25rem;
}

.page-about .epoch__body p {
  margin: 0 0 .7rem;
  font-size: .95rem;
  color: rgba(242, 232, 216, .82);
}

.page-about .epoch__body ul {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: .35rem;
}

.page-about .epoch__body li {
  font-size: .9rem;
  color: rgba(242, 232, 216, .72);
}

.page-about .epoch__body li::marker {
  color: var(--brass);
}

/* ---------- crew ---------- */
.page-about .crew-grid {
  display: grid;
  gap: 1.8rem;
}

.page-about .crew-stats {
  list-style: none;
  margin: 1.9rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: rgba(178, 122, 60, .28);
  border: 1px solid var(--line-soft);
}

.page-about .crew-stat {
  display: grid;
  gap: .3rem;
  align-content: start;
  padding: 1.05rem .9rem 1.15rem;
  background: var(--ink-deep);
  transition: background .22s var(--ease);
}

.page-about .crew-stat:hover,
.page-about .crew-stat:focus-within {
  background: var(--teal-deep);
}

.page-about .crew-stat__num {
  font-family: var(--font-mono);
  font-size: clamp(1.7rem, 5vw, 2.5rem);
  line-height: 1;
  color: var(--brass-bright);
}

.page-about .crew-stat__name {
  font-family: var(--font-display);
  font-size: .98rem;
  color: var(--ivory);
}

.page-about .crew-stat__note {
  font-size: .8rem;
  line-height: 1.6;
  color: rgba(242, 232, 216, .6);
  transition: color .22s var(--ease);
}

.page-about .crew-stat:hover .crew-stat__note {
  color: rgba(242, 232, 216, .86);
}

/* ---------- coverage ---------- */
.page-about .about-cover__grid {
  display: grid;
  gap: 1.8rem;
}

.page-about .cover-marks {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 1.8rem;
  background: rgba(178, 122, 60, .24);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-about .cover-mark {
  padding: 1rem .85rem;
  background: rgba(11, 31, 42, .86);
}

.page-about .cover-mark__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 4vw, 1.8rem);
  line-height: 1.1;
  color: var(--amber);
}

.page-about .cover-mark__label {
  display: block;
  margin-top: .3rem;
  font-size: .8rem;
  color: rgba(242, 232, 216, .68);
}

/* ---------- principles ---------- */
.page-about .steps {
  list-style: none;
  counter-reset: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .9rem;
}

.page-about .step {
  position: relative;
  padding: 1.3rem 1.1rem 1.25rem;
  border: 1px solid var(--line-soft);
  background: linear-gradient(180deg, rgba(110, 46, 62, .3), rgba(11, 31, 42, .78));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-about .step__num {
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .14em;
  color: var(--brass-bright);
}

.page-about .step__title {
  margin: .45rem 0 .6rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  line-height: 1.3;
  color: var(--ivory);
}

.page-about .step p {
  margin: 0;
  font-size: .9rem;
  color: rgba(242, 232, 216, .78);
}

/* ---------- cta ---------- */
.page-about .about-cta {
  margin-top: clamp(2rem, 6vw, 3.4rem);
  padding: clamp(1.5rem, 5vw, 2.6rem);
  border: 1px solid var(--line);
  background: linear-gradient(118deg, rgba(178, 122, 60, .2), rgba(17, 59, 58, .78) 55%, rgba(11, 31, 42, .9));
}

.page-about .about-cta__title {
  margin: 0 0 .7rem;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 4vw, 1.85rem);
  line-height: 1.3;
  color: var(--ivory);
}

.page-about .about-cta__text {
  max-width: 58ch;
  margin: 0 0 1.4rem;
  font-size: .95rem;
  color: rgba(242, 232, 216, .8);
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
}

/* ---------- responsive ---------- */
@media (min-width: 760px) {
  .page-about .crew-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, .82fr);
    align-items: end;
    gap: 3rem;
  }

  .page-about .about-plate {
    transform: translateY(-.6rem);
  }

  .page-about .about-origin__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .9fr);
    gap: 2.8rem;
    align-items: start;
  }

  .page-about .about-figure--origin {
    margin-top: 2.4rem;
  }

  .page-about .crew-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .82fr);
    gap: 2.6rem;
    align-items: start;
  }

  .page-about .about-figure--crew {
    margin-top: 1.6rem;
  }

  .page-about .about-cover__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 2.6rem;
    align-items: center;
  }

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

@media (min-width: 1000px) {
  .page-about .epoch-wrap {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: 2.6rem;
  }

  .page-about .epoch-index {
    position: sticky;
    top: 1.5rem;
    align-self: start;
    margin-top: .3rem;
  }

  .page-about .epoch__name {
    font-size: 1.1rem;
  }

  .page-about .epoch__body {
    padding-left: 1.4rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-figure img,
  .page-about .crew-stat,
  .page-about .epoch__sum,
  .page-about .epoch-index a {
    transition: none;
  }

  .page-about .about-figure:hover img,
  .page-about .about-figure:focus-within img {
    transform: none;
  }
}
<<<END>>>