.page-about {
  --about-rail-w: 196px;
  background: var(--frost);
  color: var(--graphite);
}

/* ---------- Hero ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(40px, 7vw, 96px) clamp(40px, 6vw, 72px);
  color: var(--frost);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(900px 460px at 88% -12%, rgba(217, 154, 43, 0.20), transparent 62%),
    radial-gradient(700px 420px at 8% 108%, rgba(127, 182, 217, 0.16), transparent 66%),
    repeating-linear-gradient(90deg, rgba(127, 182, 217, 0.07) 0 1px, transparent 1px 88px);
}

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

.page-about .about-hero .breadcrumb {
  margin-bottom: clamp(28px, 5vw, 56px);
}

.page-about .about-hero__eyebrow {
  margin: 0 0 var(--s2);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--amber-200);
}

.page-about .about-hero__title {
  margin: 0 0 var(--s3);
  max-width: 18ch;
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(2.25rem, 6.6vw, 4.6rem);
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--frost);
}

.page-about .about-hero__lede {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(0.95rem, 1.5vw, 1.08rem);
  line-height: 1.85;
  color: rgba(246, 242, 233, 0.8);
}

.page-about .about-stats {
  list-style: none;
  margin: clamp(32px, 5vw, 56px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: rgba(127, 182, 217, 0.22);
  border: 1px solid rgba(127, 182, 217, 0.22);
}

.page-about .about-stat {
  background: var(--ink-950);
  padding: var(--s3) var(--s2);
}

.page-about .about-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.75rem, 4.2vw, 2.6rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--amber-500);
}

.page-about .about-stat__unit {
  font-size: 0.55em;
  margin-left: 2px;
}

.page-about .about-stat__label {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: rgba(246, 242, 233, 0.6);
}

/* ---------- Body layout ---------- */
.page-about .about-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--s5);
  padding-block: clamp(40px, 6vw, 88px);
}

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

.page-about .about-rail__label {
  margin: 0 0 var(--s2);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-about .about-rail__nav {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
}

.page-about .about-rail__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex: 0 0 auto;
  padding: 8px 12px;
  font-size: 13px;
  line-height: 1.4;
  color: var(--graphite);
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid var(--line-on-paper);
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.5);
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease), background-color 0.25s var(--ease);
}

.page-about .about-rail__link span {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--steel);
  transition: color 0.25s var(--ease);
}

.page-about .about-rail__link:hover,
.page-about .about-rail__link:focus-visible {
  border-color: var(--amber-500);
  color: var(--ink-900);
}

.page-about .about-rail__link[aria-current="true"] {
  background: var(--amber-200);
  border-color: var(--amber-500);
  color: var(--ink-900);
}

.page-about .about-rail__link[aria-current="true"] span {
  color: var(--ink-900);
}

/* ---------- Chapters ---------- */
.page-about .about-flow {
  min-width: 0;
}

.page-about .about-chapter {
  padding-block: clamp(36px, 5vw, 64px);
  border-top: 1px solid var(--line-on-paper);
  scroll-margin-top: 96px;
}

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

.page-about .about-chapter__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: var(--s2);
  margin-bottom: var(--s4);
}

.page-about .about-chapter__num {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: clamp(1.9rem, 5vw, 3.25rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--amber-500);
}

.page-about .about-chapter__kicker {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-about .about-chapter__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.3rem, 2.8vw, 1.85rem);
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-about .about-chapter__body > p {
  max-width: 42em;
  margin: 0 0 var(--s3);
  font-size: 0.975rem;
  line-height: 1.85;
  color: var(--graphite);
}

.page-about .about-chapter__body a {
  color: var(--ink-700);
  text-decoration: underline;
  text-decoration-color: var(--amber-500);
  text-underline-offset: 3px;
}

.page-about .about-chapter__body a:hover {
  color: var(--amber-500);
}

/* ---------- Charts ---------- */
.page-about .about-chart {
  margin: var(--s4) 0;
  padding: clamp(16px, 3vw, 28px);
  border: 1px solid var(--line-on-ink);
  background:
    linear-gradient(160deg, var(--ink-700), var(--ink-950) 70%);
  border-radius: 3px;
}

.page-about .about-chart svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .about-chart__note {
  margin: var(--s3) 0 0;
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: rgba(246, 242, 233, 0.62);
  border-left: 2px solid var(--amber-500);
  padding-left: 10px;
}

.page-about .about-map__grid line {
  stroke: rgba(127, 182, 217, 0.14);
  stroke-width: 1;
}

.page-about .about-map__shape {
  fill: rgba(127, 182, 217, 0.10);
  stroke: rgba(127, 182, 217, 0.45);
  stroke-width: 1.5;
}

.page-about .about-map__dot circle {
  fill: var(--ice-300);
}

.page-about .about-map__dot--key circle {
  fill: var(--amber-500);
}

.page-about .about-map__ring {
  fill: none !important;
  stroke: rgba(217, 154, 43, 0.45);
  stroke-width: 1.5;
}

.page-about .about-map__label {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  fill: rgba(246, 242, 233, 0.78);
}

.page-about .about-map__label--key {
  fill: var(--amber-200);
  font-weight: 700;
}

.page-about .role-map__lines path {
  fill: none;
  stroke: rgba(127, 182, 217, 0.45);
  stroke-width: 1.5;
}

.page-about .role-map__node rect {
  fill: rgba(127, 182, 217, 0.09);
  stroke: rgba(127, 182, 217, 0.45);
  stroke-width: 1.2;
}

.page-about .role-map__node--lead rect {
  fill: rgba(217, 154, 43, 0.14);
  stroke: var(--amber-500);
}

.page-about .role-map__title {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  fill: var(--frost);
}

.page-about .role-map__desc {
  font-family: var(--font-body);
  font-size: 12px;
  fill: rgba(246, 242, 233, 0.66);
}

/* ---------- Figures ---------- */
.page-about .about-figure {
  margin: var(--s4) 0 0;
  padding: 6px;
  border: 1px solid var(--line-on-paper);
  background: #fff;
}

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

.page-about .about-figure .figure__caption {
  margin: 10px 4px 4px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--steel);
}

/* ---------- Role list ---------- */
.page-about .about-roles-list {
  list-style: none;
  margin: var(--s4) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line-on-paper);
  border: 1px solid var(--line-on-paper);
}

.page-about .about-role {
  background: rgba(255, 255, 255, 0.72);
  padding: var(--s3);
}

.page-about .about-role__name {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  color: var(--ink-900);
}

.page-about .about-role__name::before {
  content: "";
  display: inline-block;
  width: 18px;
  height: 2px;
  margin-right: 8px;
  vertical-align: middle;
  background: var(--ice-300);
}

.page-about .about-role__desc {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--graphite);
}

/* ---------- Delivery ---------- */
.page-about .about-delivery {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--s4);
  margin: var(--s4) 0;
}

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

.page-about .about-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: step;
}

.page-about .about-step {
  position: relative;
  padding: 0 0 var(--s3) var(--s4);
  border-left: 1px solid var(--line-soft);
}

.page-about .about-step:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}

.page-about .about-step__num {
  position: absolute;
  left: -13px;
  top: 0;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--ink-900);
  background: var(--amber-200);
  border: 1px solid var(--amber-500);
  border-radius: 50%;
}

.page-about .about-step__title {
  margin: 2px 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--ink-900);
}

.page-about .about-step__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--graphite);
}

/* ---------- Track ---------- */
.page-about .about-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--s3);
}

.page-about .about-track__item {
  position: relative;
  padding-left: var(--s3);
  border-left: 1px solid var(--line-soft);
}

.page-about .about-track__item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--amber-500);
}

.page-about .about-track__tag {
  margin: 0 0 6px;
  display: inline-block;
  padding: 3px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ink-700);
  background: var(--ice-100);
  border: 1px solid rgba(127, 182, 217, 0.6);
}

.page-about .about-track__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--graphite);
}

/* ---------- Industries ---------- */
.page-about .about-industries {
  list-style: none;
  margin: var(--s4) 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--s3);
}

.page-about .about-industry {
  padding: var(--s3);
  background: var(--ice-100);
  border-top: 2px solid var(--ice-300);
}

.page-about .about-industry__tag {
  display: inline-block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--ink-700);
}

.page-about .about-industry p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--graphite);
}

/* ---------- Contact block ---------- */
.page-about .about-chapter--contact .about-chapter__body {
  border-top: 1px dashed var(--steel);
  padding-top: var(--s4);
}

.page-about .about-contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--s4);
  margin-top: var(--s4);
}

.page-about .about-contact__info {
  padding: var(--s4) var(--s3);
  background: var(--ink-900);
  color: var(--frost);
  border-radius: 3px;
}

.page-about .about-contact__label {
  margin: 0 0 var(--s3);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber-200);
}

.page-about .about-contact__list {
  margin: 0;
  padding: 0;
}

.page-about .about-contact__item {
  padding: 10px 0;
  border-top: 1px solid rgba(127, 182, 217, 0.2);
}

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

.page-about .about-contact__item dt {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: rgba(246, 242, 233, 0.55);
}

.page-about .about-contact__item dd {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--frost);
  word-break: break-word;
}

.page-about .about-contact__next {
  padding: var(--s4) var(--s3);
  background: var(--amber-200);
  border: 1px solid var(--amber-500);
  border-radius: 3px;
}

.page-about .about-contact__next-title {
  margin: 0 0 var(--s2);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--ink-900);
}

.page-about .about-contact__steps {
  list-style: none;
  margin: 0 0 var(--s4);
  padding: 0;
}

.page-about .about-contact__steps li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 8px;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--ink-900);
}

.page-about .about-contact__steps li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  background: var(--ink-900);
  transform: rotate(45deg);
}

.page-about .about-contact__actions {
  flex-wrap: wrap;
}

/* ---------- Responsive ---------- */
@media (min-width: 560px) {
  .page-about .about-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

@media (min-width: 900px) {
  .page-about .about-body {
    grid-template-columns: var(--about-rail-w) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
    align-items: start;
  }

  .page-about .about-rail {
    position: sticky;
    top: 96px;
  }

  .page-about .about-rail__nav {
    flex-direction: column;
    overflow: visible;
    gap: 4px;
    padding-bottom: 0;
  }

  .page-about .about-rail__link {
    justify-content: flex-start;
    border-color: transparent;
    border-left: 2px solid transparent;
    border-radius: 0;
    background: transparent;
    padding: 7px 10px;
  }

  .page-about .about-rail__link[aria-current="true"] {
    border-left-color: var(--amber-500);
    background: rgba(217, 154, 43, 0.12);
  }

  .page-about .about-chapter__head {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: var(--s3);
  }

  .page-about .about-chapter__num {
    font-size: 3.5rem;
  }

  .page-about .about-delivery {
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
    gap: var(--s5);
    align-items: start;
  }

  .page-about .about-track {
    display: flex;
    gap: var(--s3);
    overflow-x: auto;
    padding: 0 0 var(--s2);
    scroll-snap-type: x proximity;
  }

  .page-about .about-track__item {
    flex: 0 0 240px;
    scroll-snap-align: start;
    padding: var(--s3);
    border-left: 0;
    border-top: 2px solid var(--amber-500);
    background: rgba(255, 255, 255, 0.66);
  }

  .page-about .about-track__item::before {
    display: none;
  }

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

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

@media (min-width: 1080px) {
  .page-about .about-roles-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-rail__link,
  .page-about .about-track {
    transition: none;
    scroll-behavior: auto;
  }
}
<<<PAGE_CSS_END>>>