.page-about {
  position: relative;
  overflow-x: hidden;
  color: var(--ink-2);
  background-color: var(--paper);
  background-image:
    radial-gradient(760px 420px at 92% -6%, rgba(46, 196, 182, 0.18), transparent 62%),
    radial-gradient(620px 380px at -6% 16%, rgba(123, 97, 255, 0.10), transparent 60%);
  background-repeat: no-repeat;
}

.page-about .about-wrap {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.page-about .about-mono {
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.08em;
}

.page-about .about-lede-serif {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(17px, 2.2vw, 21px);
  line-height: 1.8;
  color: var(--ink-1);
  max-width: 46ch;
}

/* ---------- Breadcrumb ---------- */
.page-about .crumbs {
  max-width: var(--max-w);
  margin-inline: auto;
  padding: 20px var(--gutter) 0;
}

/* ---------- Hero ---------- */
.page-about .about-hero {
  position: relative;
  padding: 34px 0 56px;
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(30, 76, 122, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 76, 122, 0.07) 1px, transparent 1px);
  background-size: 96px 96px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 78%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 78%);
  pointer-events: none;
}

.page-about .about-hero__wedge {
  position: absolute;
  top: -110px;
  right: -70px;
  width: min(58vw, 380px);
  height: 330px;
  background: linear-gradient(150deg, var(--navy) 0%, var(--navy-deep) 100%);
  clip-path: polygon(40% 0, 100% 0, 100% 100%, 0 100%);
  opacity: 0.96;
  pointer-events: none;
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 1;
}

.page-about .about-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 20px;
  font-size: 12.5px;
  letter-spacing: 0.18em;
  color: var(--ink-3);
}

.page-about .about-hero__eyebrow::before {
  content: "";
  display: block;
  width: 28px;
  height: 1px;
  background: var(--orange);
}

.page-about .about-hero__eyebrow .about-mono {
  color: var(--orange);
  font-size: 13px;
  font-weight: 700;
}

.page-about .about-hero__title {
  margin: 0 0 22px;
  max-width: 20ch;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(29px, 7.2vw, 56px);
  line-height: 1.14;
  letter-spacing: -0.012em;
  color: var(--ink-1);
}

.page-about .about-hero__lede {
  margin: 0 0 14px;
  max-width: 62ch;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--ink-2);
}

.page-about .about-hero__lede--sub {
  color: var(--ink-3);
  margin-bottom: 34px;
}

.page-about .about-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  border: 1px solid var(--hair);
  background: var(--hair-soft);
}

.page-about .about-stat {
  margin: 0;
  padding: 16px 14px;
  background: rgba(255, 255, 255, 0.78);
}

.page-about .about-stat__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-3);
}

.page-about .about-stat__num {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(22px, 5vw, 26px);
  line-height: 1.1;
  color: var(--ink-1);
}

.page-about .about-stat:nth-child(2) .about-stat__num { color: var(--orange); }
.page-about .about-stat:nth-child(3) .about-stat__num { color: var(--teal); }
.page-about .about-stat:nth-child(4) .about-stat__num { color: var(--blue-line); }

/* ---------- Section shell ---------- */
.page-about .about-sec {
  position: relative;
  padding: 58px 0;
}

.page-about .about-sec--timeline {
  background: linear-gradient(180deg, rgba(228, 237, 245, 0.5) 0%, rgba(246, 244, 239, 0) 100%);
}

.page-about .about-sec--deep {
  overflow: hidden;
  background: linear-gradient(155deg, var(--navy) 0%, var(--navy-deep) 100%);
  color: var(--paper);
}

.page-about .about-sec--deep::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(46, 196, 182, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46, 196, 182, 0.09) 1px, transparent 1px);
  background-size: 96px 96px;
  pointer-events: none;
}

.page-about .about-sec--deep .about-wrap {
  position: relative;
  z-index: 1;
}

.page-about .about-sec--deep .sec-head__title { color: var(--paper); }
.page-about .about-sec--deep .sec-head__lede { color: rgba(246, 244, 239, 0.74); }
.page-about .about-sec--deep .sec-head__no { color: var(--orange); }

/* ---------- Split block ---------- */
.page-about .about-split {
  display: grid;
  gap: 28px;
  margin-top: 32px;
}

.page-about .about-prose p {
  margin: 0 0 18px;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--ink-2);
}

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

.page-about .about-prose a {
  color: var(--blue-line);
  text-decoration: underline;
  text-decoration-color: var(--orange-soft);
  text-underline-offset: 3px;
}

.page-about .about-prose--wide {
  margin-top: 30px;
  max-width: 78ch;
}

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

.page-about .figure__frame {
  overflow: hidden;
  border: 1px solid var(--hair);
  background: var(--mist);
}

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

.page-about .figure__cap {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-3);
}

/* ---------- Timeline track ---------- */
.page-about .about-timeline-figure {
  margin: 34px 0 42px;
}

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

.page-about .about-track::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 10px;
  bottom: 22px;
  width: 1px;
  background: linear-gradient(180deg, var(--teal) 0%, var(--hair) 62%, transparent 100%);
}

.page-about .about-track__item {
  position: relative;
  padding: 0 0 26px 28px;
}

.page-about .about-track__item:last-child { padding-bottom: 0; }

.page-about .about-track__dot {
  position: absolute;
  left: 0;
  top: 18px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--paper);
  box-shadow: 0 0 0 2px var(--teal);
  transition: background-color 180ms var(--ease), box-shadow 180ms var(--ease);
}

.page-about .about-track__item:hover .about-track__dot,
.page-about .about-track__item:focus-within .about-track__dot {
  background: var(--teal);
  box-shadow: 0 0 0 4px rgba(46, 196, 182, 0.22);
}

.page-about .about-track__card {
  padding: 20px 20px 18px;
  border: 1px solid var(--hair);
  background: var(--card-bg);
  transition: transform 180ms var(--ease), border-color 180ms var(--ease);
}

.page-about .about-track__item:hover .about-track__card,
.page-about .about-track__item:focus-within .about-track__card {
  transform: translateY(-2px);
  border-color: var(--orange);
}

.page-about .about-track__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.5;
  letter-spacing: 0.01em;
  color: var(--ink-1);
}

.page-about .about-track__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink-2);
}

.page-about .about-track__note {
  margin: 0;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-3);
  border-left: 2px solid var(--teal);
  padding-left: 0;
  transition: max-height 280ms var(--ease), opacity 200ms var(--ease),
    margin-top 280ms var(--ease), padding-left 280ms var(--ease);
}

.page-about .about-track__item:hover .about-track__note,
.page-about .about-track__item:focus-within .about-track__note {
  max-height: 8em;
  opacity: 1;
  margin-top: 12px;
  padding-left: 12px;
}

@media (hover: none) {
  .page-about .about-track__note {
    max-height: none;
    opacity: 1;
    margin-top: 12px;
    padding-left: 12px;
  }
}

/* ---------- Measure cards ---------- */
.page-about .about-measure {
  display: grid;
  gap: 20px;
  margin-top: 32px;
}

.page-about .about-measure__card {
  position: relative;
  padding: 26px 22px 24px;
  border: 1px solid var(--hair);
  background: var(--card-bg);
  transition: transform 180ms var(--ease), border-color 180ms var(--ease);
}

.page-about .about-measure__card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 52px;
  height: 3px;
}

.page-about .about-measure__card:nth-child(1)::before { background: var(--orange); }
.page-about .about-measure__card:nth-child(2)::before { background: var(--teal); }
.page-about .about-measure__card:nth-child(3)::before { background: var(--violet); }

.page-about .about-measure__card:hover {
  transform: translateY(-2px);
  border-color: var(--orange);
}

.page-about .about-measure__kicker {
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 700;
  color: var(--ink-3);
}

.page-about .about-measure__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.4;
  color: var(--ink-1);
}

.page-about .about-measure__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink-2);
}

/* ---------- Blueprint 2x2 ---------- */
.page-about .about-blueprint {
  display: grid;
  grid-template-columns: 1fr;
  margin: 34px 0 0;
  padding: 0;
  border: 1px solid var(--blue-line);
  background: transparent;
}

.page-about .about-blueprint__cell {
  padding: 20px 18px;
  border-bottom: 1px solid var(--blue-line);
  border-right: 0;
  background: transparent;
}

.page-about .about-blueprint__cell:last-child { border-bottom: 0; }

.page-about .about-blueprint__key {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
  color: var(--orange);
}

.page-about .about-blueprint__val {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink-2);
}

/* ---------- Role cards ---------- */
.page-about .about-roles {
  display: grid;
  gap: 20px;
  margin-top: 32px;
  align-items: start;
}

.page-about .about-role {
  transition: transform 180ms var(--ease), border-color 180ms var(--ease);
}

.page-about .about-role .card__kicker {
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
}

.page-about .about-radius-figure {
  margin: 36px 0 0;
}

/* ---------- Deep section ---------- */
.page-about .about-flow {
  display: grid;
  gap: 1px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
  border: 1px solid rgba(46, 196, 182, 0.32);
  background: rgba(46, 196, 182, 0.22);
}

.page-about .about-flow__step {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 18px;
  background: rgba(7, 27, 49, 0.66);
}

.page-about .about-flow__no {
  font-size: 13px;
  font-weight: 700;
  color: var(--teal);
}

.page-about .about-flow__label {
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-about .about-deep-grid {
  display: grid;
  gap: 30px;
  margin-top: 36px;
}

.page-about .about-deep-copy p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(246, 244, 239, 0.84);
}

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

.page-about .about-deep-side {
  padding: 22px 20px;
  border: 1px solid rgba(46, 196, 182, 0.3);
  background: rgba(7, 27, 49, 0.5);
}

.page-about .about-deep-side__num {
  margin: 0;
  font-size: clamp(26px, 6vw, 34px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--orange);
}

.page-about .about-deep-side__num + .about-deep-side__cap { margin-top: 8px; }

.page-about .about-deep-side__cap {
  margin: 0 0 20px;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(246, 244, 239, 0.68);
}

.page-about .about-deep-side__cap:last-child { margin-bottom: 0; }

.page-about .about-sec--deep .rule-end,
.page-about .about-sec--deep .rule-end__tag {
  color: rgba(246, 244, 239, 0.5);
}

/* ---------- CTA ---------- */
.page-about .about-cta {
  padding: 54px 0 72px;
  border-top: 1px solid var(--hair);
  background: linear-gradient(180deg, rgba(228, 237, 245, 0.55), rgba(246, 244, 239, 0));
}

.page-about .about-cta__inner {
  display: grid;
  gap: 26px;
}

.page-about .about-cta__title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(23px, 4.6vw, 32px);
  line-height: 1.28;
  color: var(--ink-1);
}

.page-about .about-cta__lede {
  margin: 0;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-2);
}

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

/* ---------- Tablet and up ---------- */
@media (min-width: 640px) {
  .page-about .about-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-about .about-blueprint__cell {
    border-right: 1px solid var(--blue-line);
    border-bottom: 1px solid var(--blue-line);
  }

  .page-about .about-blueprint__cell:nth-child(2n) { border-right: 0; }
  .page-about .about-blueprint__cell:nth-child(n + 3) { border-bottom: 0; }
}

@media (min-width: 760px) {
  .page-about .about-sec { padding: 72px 0; }

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

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

  .page-about .about-role:nth-child(2) { margin-top: 22px; }
  .page-about .about-role:nth-child(3) { margin-top: 44px; }

  .page-about .about-flow {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-about .about-flow__step {
    flex-direction: column;
    gap: 10px;
    padding: 22px 16px;
  }

  .page-about .about-cta__inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: end;
    gap: 40px;
  }
}

@media (min-width: 980px) {
  .page-about .about-split {
    grid-template-columns: 5fr 7fr;
    gap: 52px;
    align-items: start;
  }

  .page-about .about-split__figure {
    margin-top: 34px;
  }

  .page-about .about-track__item:nth-child(1) .about-track__card { margin-left: 0; }
  .page-about .about-track__item:nth-child(2) .about-track__card { margin-left: 16px; }
  .page-about .about-track__item:nth-child(3) .about-track__card { margin-left: 32px; }
  .page-about .about-track__item:nth-child(4) .about-track__card { margin-left: 48px; }
  .page-about .about-track__item:nth-child(5) .about-track__card { margin-left: 64px; }

  .page-about .about-deep-grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .page-about .about-hero {
    padding: 48px 0 68px;
  }

  .page-about .about-sec {
    padding: 86px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-track__card,
  .page-about .about-measure__card,
  .page-about .about-role,
  .page-about .about-track__dot,
  .page-about .about-track__note {
    transition: opacity 200ms linear;
  }

  .page-about .about-track__item:hover .about-track__card,
  .page-about .about-track__item:focus-within .about-track__card,
  .page-about .about-measure__card:hover,
  .page-about .about-role:hover {
    transform: none;
  }

  .page-about .about-track__note,
  .page-about .about-track__item:hover .about-track__note,
  .page-about .about-track__item:focus-within .about-track__note {
    max-height: none;
    opacity: 1;
    margin-top: 12px;
    padding-left: 12px;
  }
}