.page-about {
  --about-white: #ffffff;
  --about-muted: #3f5364;
  --about-radius: 2px;
  background: var(--mist);
  color: var(--ink);
  overflow-x: clip;
}

.page-about .about-hero {
  position: relative;
  padding: 28px var(--pad-x) 40px;
  background: var(--deep-1);
  color: var(--mist);
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.65;
  pointer-events: none;
}

.page-about .about-hero > * {
  position: relative;
  z-index: 1;
}

.page-about .breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 28px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--steel);
}

.page-about .breadcrumbs__item {
  color: var(--steel);
  text-decoration: none;
}

.page-about .breadcrumbs__item[href]:hover {
  color: var(--cyan);
}

.page-about .breadcrumbs__sep {
  color: var(--deep-3);
}

.page-about .mono-label {
  display: inline-block;
  margin: 0 0 16px;
  padding-left: 10px;
  border-left: 2px solid var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-about .about-hero__grid {
  display: grid;
  gap: 32px;
}

.page-about .about-hero__title,
.page-about .about-hero h1 {
  margin: 0;
  max-width: 12em;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 7vw, 4.2rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--mist);
}

.page-about .about-hero__lead {
  max-width: 38em;
  margin: 20px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--steel);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-about .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 18px;
  border: 1px solid transparent;
  border-radius: var(--about-radius);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: background-color 180ms var(--ease), color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-about .btn--primary {
  background: var(--orange);
  color: var(--ink);
  border-color: var(--orange);
}

.page-about .btn--primary:hover {
  background: #ff9161;
  border-color: #ff9161;
}

.page-about .btn--ghost {
  background: transparent;
  color: var(--mist);
  border-color: var(--line);
}

.page-about .btn--ghost:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

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

.page-about .figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--deep-2);
}

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

.page-about .about-hero__figure .figure__img {
  aspect-ratio: 3 / 2;
}

.page-about .figure__caption {
  padding: 10px 12px;
  border-top: 1px solid var(--line);
  background: var(--deep-1);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
  color: var(--steel);
}

.page-about .hero-stat-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  margin-top: 36px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.page-about .hero-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 14px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-about .hero-stat__num {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 8vw, 3rem);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

.page-about .hero-stat__label {
  font-size: 12px;
  line-height: 1.5;
  color: var(--steel);
}

.page-about .chapter-index {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  gap: 0;
  overflow-x: auto;
  padding: 0 var(--pad-x);
  background: rgba(11, 34, 57, 0.96);
  border-bottom: 1px solid var(--line);
  scrollbar-width: none;
}

.page-about .chapter-index::-webkit-scrollbar {
  display: none;
}

.page-about .chapter-index__link {
  flex: 0 0 auto;
  padding: 14px 16px;
  border-right: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--steel);
  text-decoration: none;
  white-space: nowrap;
  transition: color 200ms var(--ease), background-color 200ms var(--ease);
}

.page-about .chapter-index__link:hover,
.page-about .chapter-index__link:focus-visible,
.page-about .chapter-index__link.is-active {
  color: var(--cyan);
  background: rgba(0, 229, 208, 0.06);
}

.page-about .chapter-index__link.is-active {
  box-shadow: inset 0 -2px 0 var(--cyan);
}

.page-about .about-section {
  padding: var(--section-space) var(--pad-x);
}

.page-about .about-section--wide {
  max-width: 1180px;
  margin-inline: auto;
}

.page-about .about-section--narrow {
  max-width: 820px;
  margin-inline: auto;
}

.page-about .about-section__head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 28px;
}

.page-about .section-no {
  flex: 0 0 auto;
  margin-top: 2px;
}

.page-about .eyebrow {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--deep-3);
}

.page-about h2 {
  margin: 0;
  max-width: 18em;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 5vw, 2.25rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-about h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--ink);
}

.page-about .about-section__body {
  display: grid;
  gap: 28px;
}

.page-about .prose p {
  max-width: 68ch;
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--about-muted);
}

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

.page-about .triple-grid {
  display: grid;
  gap: 12px;
}

.page-about .triple-card {
  padding: 20px;
  background: var(--about-white);
  border: 1px solid rgba(159, 179, 200, 0.4);
  border-radius: var(--about-radius);
}

.page-about .triple-card h3 {
  margin-top: 14px;
}

.page-about .triple-card p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--about-muted);
}

.page-about .tag-morandi {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--ink);
}

.page-about .tag-morandi--phone {
  background: var(--tag-phone);
}

.page-about .tag-morandi--tablet {
  background: var(--tag-tablet);
}

.page-about .tag-morandi--desktop {
  background: var(--tag-desktop);
}

.page-about .tag-morandi--accessory {
  background: var(--tag-accessory);
}

.page-about .account-note {
  padding: 20px;
  background: var(--card);
  border-left: 3px solid var(--cyan);
}

.page-about .account-note .mono-label {
  margin-bottom: 10px;
  color: var(--deep-3);
  border-left-color: var(--deep-3);
}

.page-about .account-note p:last-child {
  max-width: 68ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--about-muted);
}

.page-about .about-section--timeline {
  background: var(--mist);
}

.page-about .timeline-note {
  margin: -8px 0 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--deep-3);
}

.page-about .timeline-scroller {
  overflow-x: auto;
  margin-inline: calc(var(--pad-x) * -1);
  padding: 4px var(--pad-x) 24px;
  cursor: grab;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-about .timeline-scroller:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-about .timeline-track {
  display: flex;
  align-items: stretch;
  gap: 16px;
  min-width: max-content;
}

.page-about .timeline-start {
  flex: 0 0 260px;
  width: 260px;
  scroll-snap-align: start;
}

.page-about .timeline-start .figure__img {
  aspect-ratio: 5 / 3;
}

.page-about .timeline-node {
  position: relative;
  flex: 0 0 250px;
  width: 250px;
  padding: 24px 18px 20px;
  background: var(--about-white);
  border: 1px solid rgba(159, 179, 200, 0.4);
  scroll-snap-align: start;
}

.page-about .timeline-node::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 18px;
  width: 9px;
  height: 9px;
  border: 1px solid var(--cyan);
  border-radius: 50%;
  background: var(--deep-1);
}

.page-about .timeline-node__index {
  display: inline-block;
  margin-bottom: 16px;
  padding: 2px 7px;
  border: 1px solid var(--deep-3);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--deep-3);
}

.page-about .timeline-node__phase {
  margin: 0 0 10px;
}

.page-about .timeline-node__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--about-muted);
}

.page-about .lab-grid {
  display: grid;
  gap: 28px;
}

.page-about .lab-figure .figure__img {
  aspect-ratio: 14 / 9;
}

.page-about .lab-copy > p:first-child {
  margin-top: 0;
}

.page-about .lab-copy > p {
  margin: 0 0 20px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--about-muted);
}

.page-about .lab-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(159, 179, 200, 0.4);
}

.page-about .lab-item {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(159, 179, 200, 0.4);
}

.page-about .lab-item__label {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--deep-3);
}

.page-about .lab-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--about-muted);
}

.page-about .lab-link-line {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--about-muted);
}

.page-about .text-link {
  color: var(--deep-3);
  text-decoration: underline;
  text-decoration-color: rgba(0, 229, 208, 0.7);
  text-underline-offset: 3px;
}

.page-about .text-link:hover {
  color: var(--ink);
}

.page-about .text-link--light {
  color: var(--cyan);
}

.page-about .team-grid {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}

.page-about .team-card {
  padding: 22px;
  background: var(--about-white);
  border: 1px solid rgba(159, 179, 200, 0.4);
}

.page-about .team-card--deep {
  background: var(--deep-1);
  border-color: var(--deep-3);
  color: var(--mist);
}

.page-about .team-card--deep h3 {
  color: var(--mist);
}

.page-about .team-card--deep p {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--steel);
}

.page-about .team-list {
  display: grid;
  gap: 0;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(159, 179, 200, 0.4);
}

.page-about .team-list li {
  position: relative;
  padding: 12px 0 12px 16px;
  border-bottom: 1px solid rgba(159, 179, 200, 0.4);
  font-size: 14px;
  line-height: 1.7;
  color: var(--about-muted);
}

.page-about .team-list li::before {
  content: "";
  position: absolute;
  top: 21px;
  left: 0;
  width: 6px;
  height: 6px;
  background: var(--cyan);
}

.page-about .release-section {
  position: relative;
}

.page-about .release-steps {
  display: grid;
  gap: 12px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .release-step {
  padding: 20px;
  background: var(--about-white);
  border: 1px solid rgba(159, 179, 200, 0.4);
  border-top: 3px solid var(--deep-3);
}

.page-about .release-step__num {
  display: inline-block;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 500;
  line-height: 1;
  color: var(--deep-3);
}

.page-about .release-step h3 {
  margin-bottom: 8px;
}

.page-about .release-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--about-muted);
}

.page-about .release-checklist {
  margin-top: 20px;
}

.page-about .panel {
  background: var(--about-white);
  border: 1px solid rgba(159, 179, 200, 0.5);
}

.page-about .panel__trigger {
  position: relative;
  display: block;
  padding: 16px 44px 16px 18px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  line-height: 1.5;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

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

.page-about .panel__trigger::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 18px;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 500;
  color: var(--orange);
}

.page-about .panel[open] .panel__trigger::after {
  content: "−";
}

.page-about .panel__body {
  padding: 0 18px 18px;
}

.page-about .check-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .check-list li {
  padding: 12px 14px;
  background: var(--mist);
  border-left: 2px solid var(--cyan);
  font-size: 14px;
  line-height: 1.7;
  color: var(--about-muted);
}

.page-about .release-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-about .release-links .btn--ghost {
  color: var(--deep-3);
  border-color: var(--deep-3);
}

.page-about .release-links .btn--ghost:hover {
  color: var(--ink);
  border-color: var(--ink);
}

.page-about .cta-band {
  display: grid;
  gap: 24px;
  padding: 44px var(--pad-x);
  background:
    linear-gradient(120deg, rgba(0, 229, 208, 0.12), transparent 42%),
    var(--deep-1);
  color: var(--mist);
  border-top: 1px solid var(--deep-3);
}

.page-about .cta-band__copy h2 {
  max-width: 20em;
  color: var(--mist);
}

.page-about .cta-band__copy p:last-child {
  max-width: 40em;
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--steel);
}

.page-about .cta-band__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .cta-band .btn--ghost {
  color: var(--mist);
}

@media (min-width: 720px) {
  .page-about .about-hero {
    padding: 40px 40px 56px;
  }

  .page-about .about-hero__grid {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: 40px;
  }

  .page-about .hero-stat-row {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-top: 44px;
  }

  .page-about .hero-stat {
    padding: 18px;
  }

  .page-about .chapter-index {
    padding-inline: 40px;
  }

  .page-about .about-section {
    padding: 72px 40px;
  }

  .page-about .about-section__head {
    gap: 24px;
    margin-bottom: 36px;
  }

  .page-about .about-section__body {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    align-items: start;
    gap: 36px;
  }

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

  .page-about .triple-card {
    display: flex;
    flex-direction: column;
    min-height: 100%;
  }

  .page-about .account-note {
    grid-column: 1 / -1;
    padding: 24px;
  }

  .page-about .timeline-scroller {
    margin-inline: 0;
    padding-inline: 0;
  }

  .page-about .timeline-start {
    flex-basis: 320px;
    width: 320px;
  }

  .page-about .timeline-node {
    flex-basis: 270px;
    width: 270px;
  }

  .page-about .lab-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    align-items: start;
    gap: 40px;
  }

  .page-about .team-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 16px;
  }

  .page-about .release-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-about .cta-band {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    padding: 56px 40px;
  }
}

@media (min-width: 1024px) {
  .page-about .about-hero {
    padding: 48px 56px 64px;
  }

  .page-about .chapter-index {
    padding-inline: 56px;
  }

  .page-about .about-section {
    padding: 96px 56px;
  }

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

  .page-about .cta-band {
    padding-inline: calc((100vw - 1180px) / 2 + 56px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .btn,
  .page-about .chapter-index__link {
    transition: none;
  }
}
<<<END>>>