.page-about {
  --about-rail: 196px;
  --about-gap: clamp(28px, 6vw, 64px);
  --about-hero-grid: 34px;
  background: var(--paper-100);
  color: var(--ink-black);
  font-family: var(--font-sans);
}

.page-about .breadcrumb {
  padding: 22px 0 18px;
}

.page-about .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--ink-700);
}

.page-about .breadcrumb__link {
  color: var(--ink-700);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-about .breadcrumb__link:hover,
.page-about .breadcrumb__link:focus-visible {
  color: var(--brass-500);
  border-color: var(--brass-500);
}

.page-about .about-hero {
  position: relative;
  display: grid;
  grid-template-columns: var(--about-hero-grid) minmax(0, 1fr);
  gap: clamp(14px, 3vw, 30px);
  margin-bottom: clamp(28px, 5vw, 48px);
  padding: clamp(28px, 6vw, 68px) clamp(18px, 4vw, 46px);
  overflow: hidden;
  background-color: var(--ink-900);
  background-image:
    radial-gradient(circle at 85% 18%, rgba(184, 122, 61, 0.2), transparent 38%),
    linear-gradient(rgba(245, 239, 228, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 239, 228, 0.045) 1px, transparent 1px);
  background-size: auto, 24px 24px, 24px 24px;
  color: var(--paper-100);
}

.page-about .about-hero::after {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 38%;
  height: 6px;
  background: linear-gradient(90deg, var(--brass-500), var(--signal));
  content: "";
}

.page-about .about-hero__aside {
  display: flex;
  justify-content: center;
  border-right: 1px solid rgba(245, 239, 228, 0.22);
}

.page-about .about-hero .annotation {
  margin: 0;
  color: var(--brass-200);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  writing-mode: vertical-rl;
}

.page-about .about-hero__main {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.page-about .about-hero .eyebrow {
  margin: 0 0 14px;
  color: var(--brass-200);
}

.page-about .about-hero h1 {
  margin: 0;
  max-width: 14em;
  color: var(--paper-100);
  font-size: clamp(32px, 8vw, 54px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.page-about .about-hero__lede {
  max-width: 42em;
  margin: 18px 0 0;
  color: rgba(245, 239, 228, 0.82);
  font-size: 16px;
  line-height: 1.75;
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-about .about-hero .btn--ghost {
  color: var(--paper-100);
  border-color: rgba(245, 239, 228, 0.42);
}

.page-about .about-hero .btn--ghost:hover,
.page-about .about-hero .btn--ghost:focus-visible {
  color: var(--ink-900);
  background: var(--paper-100);
  border-color: var(--paper-100);
}

.page-about .about-facts {
  background: var(--paper-300);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

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

.page-about .about-facts__item {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
  padding: 20px 14px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-about .about-facts__item:nth-child(2n) {
  border-right: 0;
}

.page-about .about-facts__item:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.page-about .about-facts__num {
  color: var(--ink-900);
  font-size: clamp(24px, 5vw, 34px);
  font-weight: 700;
  line-height: 1;
}

.page-about .about-facts__label {
  color: var(--ink-700);
  font-size: 13px;
  line-height: 1.5;
}

.page-about .about-body {
  display: grid;
  gap: 30px;
  padding-top: clamp(34px, 7vw, 76px);
  padding-bottom: clamp(34px, 7vw, 76px);
}

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

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

.page-about .about-rail__list {
  display: flex;
  gap: 8px;
  max-width: 100%;
  margin: 0;
  padding: 0 0 8px;
  overflow-x: auto;
  list-style: none;
  scrollbar-width: thin;
}

.page-about .about-rail__link {
  display: flex;
  flex: 0 0 auto;
  align-items: baseline;
  gap: 7px;
  padding: 10px 12px;
  color: var(--ink-900);
  text-decoration: none;
  background: var(--paper-100);
  border: 1px solid var(--line);
  white-space: nowrap;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-about .about-rail__link:hover,
.page-about .about-rail__link:focus-visible {
  color: var(--brass-500);
  background: var(--paper-300);
  border-color: var(--brass-500);
}

.page-about .about-rail__num {
  color: var(--brass-500);
  font-size: 13px;
  font-weight: 700;
}

.page-about .about-rail__label {
  font-size: 13px;
}

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

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

.page-about .about-chapter + .about-chapter {
  margin-top: clamp(46px, 9vw, 92px);
  padding-top: clamp(34px, 6vw, 64px);
  border-top: 1px solid var(--line);
}

.page-about .about-chapter__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 14px;
  margin-bottom: clamp(22px, 4vw, 36px);
}

.page-about .about-chapter__num {
  grid-row: span 2;
  align-self: start;
  padding-top: 5px;
  color: var(--brass-500);
  font-size: 16px;
  font-weight: 700;
}

.page-about .about-chapter__title {
  margin: 0;
  color: var(--ink-900);
  font-size: clamp(26px, 5vw, 44px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.page-about .about-chapter__lede {
  max-width: 40em;
  margin: 8px 0 0;
  color: var(--ink-700);
  font-size: 16px;
  line-height: 1.7;
}

.page-about .about-grid {
  display: grid;
  gap: 24px;
  align-items: start;
}

.page-about .about-grid > * {
  min-width: 0;
}

.page-about .prose {
  max-width: 38em;
  min-width: 0;
}

.page-about .prose p {
  margin: 0 0 1em;
  color: var(--ink-black);
  font-size: 16px;
  line-height: 1.78;
}

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

.page-about .about-note {
  padding: 20px;
  background: var(--paper-300);
  border-top: 4px solid var(--brass-500);
}

.page-about .about-note__title {
  margin: 0 0 10px;
  color: var(--ink-900);
  font-size: 18px;
  font-weight: 800;
}

.page-about .about-note__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 12px;
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
  color: var(--ink-900);
  font-size: 14px;
}

.page-about .about-note__list li {
  position: relative;
  padding-left: 12px;
}

.page-about .about-note__list li::before {
  position: absolute;
  top: 0.7em;
  left: 0;
  width: 6px;
  height: 1px;
  background: var(--brass-500);
  content: "";
}

.page-about .about-note__text {
  margin: 0 0 14px;
  color: var(--ink-700);
  font-size: 14px;
  line-height: 1.7;
}

.page-about .about-note__link,
.page-about .about-inline-link a {
  color: var(--ink-900);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid var(--brass-500);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-about .about-note__link:hover,
.page-about .about-note__link:focus-visible,
.page-about .about-inline-link a:hover,
.page-about .about-inline-link a:focus-visible {
  color: var(--signal);
  border-color: var(--signal);
}

.page-about .about-team {
  margin-top: 26px;
}

.page-about .team-bar {
  display: flex;
  width: 100%;
  height: 16px;
  overflow: hidden;
  background: var(--paper-300);
  border: 1px solid var(--ink-900);
}

.page-about .team-bar__seg {
  display: block;
  height: 100%;
  transition: filter var(--dur) var(--ease);
}

.page-about .team-bar__seg--eng {
  width: 61.9%;
  background: var(--ink-900);
}

.page-about .team-bar__seg--qc {
  width: 11.9%;
  background: var(--celadon);
}

.page-about .team-bar__seg--cs {
  width: 19.1%;
  background: var(--brass-500);
}

.page-about .team-bar__seg--ops {
  width: 7.1%;
  background: var(--signal);
}

.page-about .team-legend {
  display: grid;
  gap: 12px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .team-key {
  position: relative;
  min-width: 0;
  padding-left: 18px;
  outline: none;
}

.page-about .team-key__dot {
  position: absolute;
  top: 0.55em;
  left: 0;
  width: 8px;
  height: 8px;
  background: var(--ink-900);
}

.page-about .team-key--qc .team-key__dot {
  background: var(--celadon);
}

.page-about .team-key--cs .team-key__dot {
  background: var(--brass-500);
}

.page-about .team-key--ops .team-key__dot {
  background: var(--signal);
}

.page-about .team-key__name {
  color: var(--ink-900);
  font-size: 15px;
  font-weight: 700;
}

.page-about .team-key__desc {
  margin: 4px 0 0;
  color: var(--ink-700);
  font-size: 13px;
  line-height: 1.65;
}

.page-about .about-method__figure {
  margin: 0 0 24px;
}

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

.page-about .figure__frame {
  position: relative;
  overflow: hidden;
  background: var(--paper-300);
  border: 1px solid var(--ink-900);
}

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

.page-about .figure__caption {
  margin-top: 8px;
  color: var(--ink-700);
  font-size: 12px;
  line-height: 1.6;
}

.page-about .figure__tag {
  display: inline-block;
  margin-top: 8px;
  padding: 4px 8px;
  color: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 11px;
  border: 1px solid var(--brass-500);
}

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

.page-about .method-step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

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

.page-about .method-step__num {
  display: flex;
  align-items: center;
  justify-content: center;
  align-self: start;
  width: 44px;
  height: 44px;
  color: var(--paper-100);
  font-size: 15px;
  font-weight: 700;
  background: var(--ink-900);
}

.page-about .method-step__body {
  min-width: 0;
}

.page-about .method-step__title {
  margin: 0 0 4px;
  color: var(--ink-900);
  font-size: 18px;
  font-weight: 800;
  line-height: 1.3;
}

.page-about .method-step__text {
  margin: 0;
  color: var(--ink-700);
  font-size: 15px;
  line-height: 1.7;
}

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

.page-about .quality-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 24px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .quality-metric {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
  padding: 14px 10px;
  background: var(--paper-100);
}

.page-about .quality-metric__num {
  color: var(--brass-500);
  font-size: clamp(18px, 3.6vw, 26px);
  font-weight: 700;
  line-height: 1.1;
}

.page-about .quality-metric__label {
  color: var(--ink-700);
  font-size: 11px;
  line-height: 1.5;
}

.page-about .about-quality__figure {
  margin-top: 4px;
}

.page-about .milestone-visual {
  margin: 0 0 24px;
}

.page-about .milestone-visual .figure__frame {
  background: var(--ink-900);
}

.page-about .milestone-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-about .milestone-item {
  display: grid;
  grid-template-columns: 60px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-about .milestone-item__year {
  color: var(--brass-500);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.8;
}

.page-about .milestone-item--current .milestone-item__year {
  color: var(--signal);
}

.page-about .milestone-item__body {
  min-width: 0;
}

.page-about .milestone-item__title {
  margin: 0 0 4px;
  color: var(--ink-900);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.35;
}

.page-about .milestone-item__text {
  margin: 0;
  color: var(--ink-700);
  font-size: 14px;
  line-height: 1.7;
}

.page-about .eco-block {
  min-width: 0;
  padding: 18px;
  background: var(--paper-100);
  border: 1px solid var(--line);
}

.page-about .eco-block--wide {
  margin-top: 20px;
}

.page-about .eco-block__title {
  margin: 0 0 12px;
  color: var(--ink-900);
  font-size: 16px;
  font-weight: 800;
}

.page-about .eco-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .eco-tag {
  display: inline-block;
  padding: 7px 9px;
  color: var(--ink-900);
  font-size: 13px;
  line-height: 1.3;
  background: var(--paper-300);
  border: 1px solid var(--line);
  border-top: 3px solid var(--brass-500);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-about .eco-tag:hover {
  color: var(--ink-900);
  background: var(--brass-200);
  border-color: var(--brass-500);
}

.page-about .eco-tag--test {
  border-top-color: var(--celadon);
}

.page-about .eco-tag--client {
  border-top-color: var(--signal);
}

.page-about .about-endnote-band {
  background: var(--ink-900);
  color: var(--paper-100);
}

.page-about .about-endnote {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding-top: clamp(28px, 5vw, 48px);
  padding-bottom: clamp(28px, 5vw, 48px);
}

.page-about .about-endnote .eyebrow {
  margin: 0 0 8px;
  color: var(--brass-200);
}

.page-about .about-endnote__text {
  max-width: 38em;
  margin: 0;
  color: var(--paper-100);
  font-size: 17px;
  line-height: 1.7;
}

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

.page-about .about-endnote .btn--ghost {
  color: var(--paper-100);
  border-color: rgba(245, 239, 228, 0.42);
}

.page-about .about-endnote .btn--ghost:hover,
.page-about .about-endnote .btn--ghost:focus-visible {
  color: var(--ink-900);
  background: var(--paper-100);
  border-color: var(--paper-100);
}

@media (min-width: 720px) {
  .page-about .about-hero {
    --about-hero-grid: 46px;
    padding: clamp(38px, 6vw, 72px) clamp(28px, 5vw, 58px);
  }

  .page-about .about-hero h1 {
    font-size: clamp(44px, 6vw, 64px);
  }

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

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

  .page-about .about-facts__item {
    padding: 24px 18px;
    border-bottom: 0;
  }

  .page-about .about-facts__item:nth-child(2n) {
    border-right: 1px solid var(--line);
  }

  .page-about .about-facts__item:last-child {
    border-right: 0;
  }

  .page-about .about-grid--7-5 {
    grid-template-columns: 7fr 5fr;
    gap: clamp(24px, 4vw, 48px);
  }

  .page-about .about-note {
    margin-top: 6px;
  }

  .page-about .team-legend {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 24px;
  }

  .page-about .method-step {
    grid-template-columns: 52px minmax(0, 1fr);
    gap: 18px;
    padding: 20px 0;
  }

  .page-about .method-step__num {
    width: 52px;
    height: 52px;
    font-size: 16px;
  }

  .page-about .quality-metric {
    padding: 18px 14px;
  }

  .page-about .quality-metric__label {
    font-size: 12px;
  }

  .page-about .about-endnote {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }
}

@media (min-width: 980px) {
  .page-about .about-hero {
    --about-hero-grid: 56px;
    grid-template-columns: var(--about-hero-grid) minmax(0, 1fr);
  }

  .page-about .about-hero h1 {
    font-size: clamp(56px, 5.6vw, 76px);
  }

  .page-about .about-body {
    grid-template-columns: var(--about-rail) minmax(0, 1fr);
    gap: var(--about-gap);
    align-items: start;
  }

  .page-about .about-rail {
    position: sticky;
    top: 120px;
  }

  .page-about .about-rail__title {
    margin-bottom: 14px;
  }

  .page-about .about-rail__list {
    display: grid;
    gap: 0;
    padding-bottom: 0;
    overflow: visible;
  }

  .page-about .about-rail__link {
    display: flex;
    width: 100%;
    padding: 11px 0 11px 16px;
    background: transparent;
    border: 0;
    border-left: 1px solid var(--line);
    white-space: normal;
  }

  .page-about .about-rail__link:hover,
  .page-about .about-rail__link:focus-visible {
    background: var(--paper-300);
    border-left: 3px solid var(--signal);
    padding-left: 14px;
  }

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

  .page-about .team-key__desc {
    max-height: 0;
    margin-top: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height var(--dur) var(--ease), opacity var(--dur) var(--ease), margin var(--dur) var(--ease);
  }

  .page-about .team-key:hover .team-key__desc,
  .page-about .team-key:focus-visible .team-key__desc {
    max-height: 6em;
    margin-top: 6px;
    opacity: 1;
  }

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

  .page-about .milestone-item {
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 22px;
  }

  .page-about .milestone-item__year {
    font-size: 15px;
  }

  .page-about .eco-block--wide {
    margin-top: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .breadcrumb__link,
  .page-about .about-hero .btn--ghost,
  .page-about .about-rail__link,
  .page-about .about-note__link,
  .page-about .about-inline-link a,
  .page-about .team-bar__seg,
  .page-about .team-key__desc,
  .page-about .eco-tag,
  .page-about .about-endnote .btn--ghost {
    transition-duration: 0ms;
  }
}
<<<PAGE_CSS_END>>>