.page-about {
  --about-line: rgba(158, 216, 200, 0.18);
  --about-line-soft: rgba(158, 216, 200, 0.1);
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

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

/* ---------- Hero ---------- */

.page-about .about-hero {
  position: relative;
  padding-top: calc(var(--header-h) + clamp(24px, 5vw, 64px));
  padding-bottom: clamp(30px, 5vw, 58px);
  background:
    repeating-linear-gradient(90deg, rgba(158, 216, 200, 0.05) 0 1px, transparent 1px 108px),
    radial-gradient(90% 72% at 84% -12%, rgba(45, 245, 210, 0.16), transparent 62%),
    radial-gradient(72% 60% at 6% 112%, rgba(255, 92, 53, 0.1), transparent 62%),
    linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%);
  border-bottom: 1px solid var(--line);
}

.page-about .about-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(20px, 3vw, 34px);
}

.page-about .about-hero h1 {
  margin: 0 0 clamp(16px, 2.4vw, 24px);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(38px, 6.4vw, 78px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-about .about-hero h1::after {
  content: "";
  display: block;
  width: clamp(64px, 12vw, 132px);
  height: 3px;
  margin-top: clamp(14px, 2vw, 20px);
  background: linear-gradient(90deg, var(--mint), var(--score));
}

.page-about .about-hero__lede {
  margin: 0;
  max-width: 56ch;
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.8;
  color: var(--mist);
}

.page-about .about-hero__facts {
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--about-line);
  border: 1px solid var(--about-line);
}

.page-about .about-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  background: rgba(8, 42, 34, 0.92);
}

.page-about .about-hero__fact-value {
  font-family: var(--font-mono);
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 600;
  line-height: 1;
  color: var(--mint);
}

.page-about .about-hero__fact-label {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--steel);
}

.page-about .about-hero__side {
  position: relative;
  padding: clamp(20px, 3vw, 28px);
  background: linear-gradient(170deg, rgba(15, 58, 48, 0.86), rgba(8, 42, 34, 0.94));
  border: 1px solid var(--line);
  box-shadow: 8px 8px 0 -1px rgba(4, 26, 21, 0.9), 8px 8px 0 0 var(--about-line-soft);
}

.page-about .about-stamp {
  display: inline-block;
  padding: 7px 11px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mint);
  border: 1px solid var(--line-strong);
  background: rgba(45, 245, 210, 0.06);
  transform: rotate(-1.5deg);
}

.page-about .about-hero__side-text {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-about .about-hero__side-list {
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--about-line-soft);
}

.page-about .about-hero__side-list > div {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px 12px;
  padding: 10px 0;
  background: transparent;
}

.page-about .about-hero__side-list dt {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--steel);
}

.page-about .about-hero__side-list dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ice);
}

/* ---------- Body layout ---------- */

.page-about .about-body {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  padding-top: clamp(30px, 5vw, 64px);
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-about .about-index {
  position: relative;
  padding-bottom: 4px;
}

.page-about .about-index__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--score);
}

.page-about .about-index__list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

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

.page-about .about-index__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 9px 13px;
  font-size: 13px;
  line-height: 1.3;
  color: var(--mist);
  text-decoration: none;
  border: 1px solid var(--about-line);
  background: rgba(15, 58, 48, 0.5);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-about .about-index__list a:hover,
.page-about .about-index__list a:focus-visible {
  color: var(--ink);
  background: var(--mint);
  border-color: var(--mint);
}

.page-about .about-index__list a:hover .about-index__num,
.page-about .about-index__list a:focus-visible .about-index__num {
  color: var(--ink);
}

.page-about .about-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--score);
  transition: color 0.2s var(--ease);
}

.page-about .about-index__foot {
  margin: 12px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--steel);
}

.page-about .about-flow {
  display: grid;
  gap: clamp(34px, 5vw, 64px);
  min-width: 0;
}

/* ---------- Chapters ---------- */

.page-about .about-chapter {
  padding-top: clamp(26px, 4vw, 42px);
  border-top: 1px solid var(--about-line);
}

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

.page-about .about-chapter__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: clamp(16px, 2.4vw, 24px);
}

.page-about .about-chapter__num {
  font-family: var(--font-mono);
  font-size: clamp(13px, 1.4vw, 15px);
  color: var(--score);
  letter-spacing: 0.08em;
}

.page-about .about-chapter h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 3.6vw, 42px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-about .about-chapter__body {
  display: grid;
  gap: clamp(18px, 3vw, 32px);
}

.page-about .about-text p {
  margin: 0 0 1.15em;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: rgba(242, 251, 246, 0.86);
}

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

.page-about .about-chapter--lede .about-text > p:first-of-type::first-letter {
  float: left;
  margin: 6px 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 3.1em;
  line-height: 0.82;
  color: var(--mint);
}

.page-about .about-lede {
  margin: 0 0 clamp(18px, 2.6vw, 26px);
  max-width: 62ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- Aside notes ---------- */

.page-about .about-aside {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-about .side-note {
  padding: 14px 16px 16px;
  border-left: 2px solid var(--mint);
  background: rgba(15, 58, 48, 0.5);
}

.page-about .side-note--quiet {
  border-left-color: var(--steel);
  background: rgba(8, 42, 34, 0.62);
}

.page-about .side-note__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--steel);
}

.page-about .side-note__value {
  display: block;
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: clamp(22px, 2.4vw, 28px);
  font-weight: 600;
  line-height: 1.1;
  color: var(--mint);
}

.page-about .side-note--quiet .side-note__value {
  color: var(--ice);
}

.page-about .side-note__text {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-about .side-note .copy-btn {
  display: inline-block;
  margin-top: 10px;
}

/* ---------- Figures ---------- */

.page-about .about-figure {
  margin: clamp(18px, 2.6vw, 26px) 0 clamp(20px, 3vw, 30px);
}

.page-about .about-figure--inset {
  max-width: 720px;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-about .about-figure .media__caption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--steel);
}

/* ---------- Crew cards ---------- */

.page-about .about-crew {
  display: grid;
  gap: 14px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-about .crew-card {
  position: relative;
  padding: 18px 18px 16px;
  background: linear-gradient(175deg, rgba(15, 58, 48, 0.92), rgba(8, 42, 34, 0.96));
  border: 1px solid var(--about-line);
  box-shadow: 5px 5px 0 -1px rgba(4, 26, 21, 0.9), 5px 5px 0 0 var(--about-line-soft);
  outline: none;
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease), box-shadow 0.22s var(--ease);
}

.page-about .crew-card:hover,
.page-about .crew-card:focus-visible {
  border-color: var(--line-strong);
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 -1px rgba(4, 26, 21, 0.9), 8px 8px 0 0 rgba(45, 245, 210, 0.22);
}

.page-about .crew-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-about .crew-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(242, 251, 246, 0.76);
}

.page-about .crew-card__tags {
  list-style: none;
  margin: 12px 0 0;
  padding: 12px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  border-top: 1px dashed var(--about-line);
}

.page-about .crew-card__tags li {
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist);
  border: 1px solid var(--about-line);
  opacity: 0.6;
  transition: opacity 0.22s var(--ease), color 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-about .crew-card:hover .crew-card__tags li,
.page-about .crew-card:focus-visible .crew-card__tags li {
  opacity: 1;
  color: var(--mint);
  border-color: var(--line-strong);
}

/* ---------- Timeline ---------- */

.page-about .about-track {
  margin: 0 0 4px;
  line-height: 0;
}

.page-about .about-track svg {
  display: block;
  width: 100%;
  height: clamp(28px, 4vw, 46px);
}

.page-about .about-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--about-line-soft);
}

.page-about .about-step {
  border-bottom: 1px solid var(--about-line-soft);
}

.page-about .about-step__details {
  background: transparent;
}

.page-about .about-step__details summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 14px 2px;
  cursor: pointer;
  list-style: none;
  transition: color 0.2s var(--ease);
}

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

.page-about .about-step__details summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--score);
  transition: transform 0.22s var(--ease), color 0.22s var(--ease);
}

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

.page-about .about-step__details summary:hover .about-step__name,
.page-about .about-step__details summary:focus-visible .about-step__name {
  color: var(--mint);
}

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

.page-about .about-step__time {
  flex: 0 0 auto;
  min-width: 46px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--mint);
}

.page-about .about-step__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.02em;
  color: var(--paper);
  transition: color 0.2s var(--ease);
}

.page-about .about-step__details p {
  margin: 0 0 16px;
  padding: 0 2px 0 60px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- Reasons ---------- */

.page-about .about-reasons {
  display: grid;
  gap: 1px;
  background: var(--about-line);
  border: 1px solid var(--about-line);
}

.page-about .reason {
  padding: clamp(16px, 2.4vw, 22px);
  background: rgba(8, 42, 34, 0.92);
}

.page-about .reason__num {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--score);
}

.page-about .reason h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  color: var(--paper);
}

.page-about .reason p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(242, 251, 246, 0.76);
}

/* ---------- Closing CTA ---------- */

.page-about .about-cta {
  margin-top: clamp(24px, 3.4vw, 36px);
  padding: clamp(20px, 3vw, 30px);
  background:
    linear-gradient(120deg, rgba(45, 245, 210, 0.1), rgba(255, 92, 53, 0.07)),
    rgba(15, 58, 48, 0.62);
  border: 1px solid var(--about-line);
}

.page-about .about-cta__text {
  margin: 0 0 18px;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

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

/* ---------- Tablet ---------- */

@media (min-width: 640px) {
  .page-about .about-crew {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

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

@media (min-width: 860px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 7.5fr) minmax(0, 4.5fr);
    align-items: start;
  }

  .page-about .about-hero__side {
    margin-top: clamp(10px, 3vw, 44px);
  }

  .page-about .about-chapter__body {
    grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-about .about-text p {
    font-size: 17px;
  }
}

/* ---------- Desktop ---------- */

@media (min-width: 1080px) {
  .page-about .about-body {
    grid-template-columns: 214px minmax(0, 1fr);
    gap: clamp(36px, 4vw, 60px);
    align-items: start;
  }

  .page-about .about-index {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    align-self: start;
    padding-right: 18px;
    border-right: 1px solid var(--about-line-soft);
  }

  .page-about .about-index__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-about .about-index__list li {
    flex: 1 1 auto;
  }

  .page-about .about-index__list a {
    display: flex;
    width: 100%;
    padding: 9px 0 9px 10px;
    border: 0;
    border-left: 2px solid transparent;
    background: transparent;
    font-size: 13px;
  }

  .page-about .about-index__list a:hover,
  .page-about .about-index__list a:focus-visible {
    color: var(--paper);
    background: rgba(45, 245, 210, 0.08);
    border-left-color: var(--mint);
  }

  .page-about .about-index__list a:hover .about-index__num,
  .page-about .about-index__list a:focus-visible .about-index__num {
    color: var(--score);
  }

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

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

  .page-about .about-step__details summary {
    padding: 16px 2px;
  }

  .page-about .about-step__details p {
    padding-left: 60px;
    max-width: 68ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .crew-card,
  .page-about .about-step__details summary::after,
  .page-about .about-index__list a {
    transition: none;
  }

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