.page-about {
  --about-bg-soft: #F4F7FB;
  --about-grid-soft: rgba(10, 31, 68, 0.055);
  --about-grid-mid: rgba(10, 31, 68, 0.1);
  --about-line-gold: rgba(201, 168, 106, 0.5);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
}
.page-about h1,
.page-about h2,
.page-about h3 {
  font-family: var(--font-display);
  line-height: 1.15;
  color: var(--color-text);
}
.page-about h1 { margin: 18px 0; }
.page-about h2 { margin: 0 0 10px; }
.page-about h3 { margin: 0; }
.page-about p { margin: 0 0 14px; }
.page-about details { margin: 0; min-width: 0; }
.page-about img { max-width: 100%; height: auto; }
.page-about .mono { font-family: var(--font-mono); }

.page-about .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 22px auto 0;
  padding-bottom: 12px;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 13px;
}
.page-about .breadcrumbs a {
  color: var(--color-gold);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}
.page-about .breadcrumbs a:hover { border-color: currentColor; }
.page-about .breadcrumbs-sep { color: rgba(10, 31, 68, 0.25); }

.page-about .about-positioning {
  position: relative;
  overflow: hidden;
  padding: 52px 0 64px;
  background: linear-gradient(135deg, var(--color-navy-deep) 0%, var(--color-navy) 55%, var(--color-indigo) 100%);
}
.page-about .about-positioning::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--about-grid-mid) 1px, transparent 1px),
    linear-gradient(90deg, var(--about-grid-mid) 1px, transparent 1px);
  background-size: 38px 38px;
  opacity: 0.35;
  pointer-events: none;
}
.page-about .about-positioning::after {
  content: "";
  position: absolute;
  right: -92px;
  top: 24px;
  width: 340px;
  height: 340px;
  border: 2px solid rgba(201, 168, 106, 0.35);
  border-radius: 48%;
  pointer-events: none;
}
.page-about .about-kicker {
  display: inline-flex;
  padding: 6px 16px;
  border: 1px solid var(--color-gold);
  border-radius: var(--radius-pill);
  color: var(--color-gold-light);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
}
.page-about .about-positioning h1 {
  color: var(--color-white);
  font-size: clamp(30px, 6vw, 64px);
  max-width: 900px;
}
.page-about .about-lede {
  max-width: 880px;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(16px, 1.8vw, 20px);
  line-height: 1.75;
}
.page-about .about-quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}
.page-about .about-quick-links .btn { border-radius: var(--radius-pill); }
.page-about .about-positioning-grid {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 26px;
  margin-top: 48px;
  padding: 32px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-xl);
}
.page-about .about-positioning-copy h2 {
  color: var(--color-gold-light);
  font-size: 28px;
}
.page-about .about-positioning-copy p { color: rgba(255, 255, 255, 0.86); }
.page-about .about-positioning-copy strong { color: var(--color-gold-light); font-weight: 700; }
.page-about .about-positioning-list {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}
.page-about .about-positioning-list li {
  position: relative;
  padding-left: 28px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: rgba(255, 255, 255, 0.9);
}
.page-about .about-positioning-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-gold);
  transform: translateY(-50%);
}
.page-about .about-positioning-visual { display: grid; place-items: center; }
.page-about .about-emblem {
  border: 2px solid var(--color-gold);
  border-radius: 50%;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
  transform: rotate(-4deg);
}

.page-about .about-milestones {
  position: relative;
  padding: 64px 0 72px;
  background:
    linear-gradient(var(--about-grid-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--about-grid-soft) 1px, transparent 1px);
  background-size: 42px 42px;
}
.page-about .section-heading-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 40px;
}
.page-about .section-heading-row h2 { margin: 0 0 6px; font-size: clamp(28px, 4vw, 42px); }
.page-about .section-heading-row p { margin: 0; color: var(--color-muted); }
.page-about .about-insights-link {
  color: var(--color-gold);
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition);
}
.page-about .about-insights-link:hover { border-color: currentColor; }

.page-about .milestone-list {
  position: relative;
  display: grid;
  gap: 16px;
}
.page-about .milestone-list::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-gold), var(--color-gold-light));
  opacity: 0.9;
}
.page-about .milestone-item { position: relative; padding-left: 50px; }
.page-about .milestone-dot {
  position: absolute;
  left: 8px;
  top: 28px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-gold);
  border: 6px solid var(--color-white);
  box-shadow: 0 0 0 2px var(--color-gold), 0 8px 20px rgba(201, 168, 106, 0.35);
}
.page-about .milestone-card {
  background: var(--color-white);
  border: 1px solid rgba(10, 31, 68, 0.1);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.page-about .milestone-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-float);
}
.page-about .milestone-card summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  padding: 20px 24px;
  cursor: pointer;
  list-style: none;
}
.page-about .milestone-card summary::-webkit-details-marker,
.page-about .capability-card summary::-webkit-details-marker { display: none; }
.page-about .milestone-version {
  flex: 0 0 auto;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  background: var(--color-navy);
  color: var(--color-gold-light);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
}
.page-about .milestone-card-head h3 { flex: 1 1 auto; font-size: 21px; }
.page-about .milestone-chevron {
  color: var(--color-gold);
  font-family: var(--font-mono);
  font-size: 24px;
  line-height: 1;
  transition: transform var(--transition);
}
.page-about .milestone-card[open] .milestone-chevron { transform: rotate(45deg); }
.page-about .milestone-card-body {
  padding: 0 24px 24px;
  border-top: 1px dashed rgba(10, 31, 68, 0.14);
}
.page-about .milestone-card-body p { margin: 14px 0 0; color: var(--color-muted); }

.page-about .about-dataflow-figure {
  margin: 40px 0 0;
  padding: 16px;
  background: var(--color-white);
  border: 1px solid rgba(10, 31, 68, 0.08);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}
.page-about .about-dataflow-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
}
.page-about .about-dataflow-figure figcaption {
  padding: 12px 6px 4px;
  color: var(--color-muted);
  font-size: 14px;
}

.page-about .about-capabilities {
  padding: 64px 0 72px;
  background: linear-gradient(180deg, var(--color-white) 0%, var(--about-bg-soft) 100%);
}
.page-about .capability-grid { display: grid; gap: 20px; }
.page-about .capability-card {
  background: var(--color-white);
  border: 1px solid rgba(10, 31, 68, 0.1);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.page-about .capability-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-float);
  border-color: var(--color-gold);
}
.page-about .capability-card summary {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 24px;
  cursor: pointer;
  list-style: none;
}
.page-about .capability-icon {
  flex: 0 0 46px;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--color-gold-light), var(--color-gold));
  color: var(--color-navy);
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 900;
  box-shadow: 0 8px 18px rgba(201, 168, 106, 0.32);
}
.page-about .capability-titleblock { flex: 1; min-width: 0; }
.page-about .capability-titleblock h3 { margin: 0 0 4px; font-size: 22px; }
.page-about .capability-metric {
  color: var(--color-gold);
  font-size: 15px;
  letter-spacing: 0.14em;
}
.page-about .capability-toggle {
  color: var(--color-gold);
  font-size: 26px;
  line-height: 1;
  transition: transform var(--transition);
}
.page-about .capability-card[open] .capability-toggle { transform: rotate(45deg); }
.page-about .capability-card-body { padding: 0 24px 24px; color: var(--color-muted); }

.page-about .capability-info-row {
  display: grid;
  gap: 26px;
  margin-top: 48px;
  padding: 28px;
  background: var(--color-white);
  border: 1px solid rgba(10, 31, 68, 0.08);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-soft);
}
.page-about .capability-info-copy h3 { margin: 0 0 12px; font-size: 27px; }
.page-about .capability-info-copy p { color: var(--color-muted); }
.page-about .about-arch-list {
  display: grid;
  gap: 10px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}
.page-about .about-arch-list li {
  position: relative;
  padding-left: 24px;
  font-weight: 700;
}
.page-about .about-arch-list li::before {
  content: "◆";
  position: absolute;
  left: 0;
  top: 0.32em;
  font-size: 10px;
  color: var(--color-gold);
}
.page-about .capability-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(10, 31, 68, 0.1);
}
.page-about .capability-figure figcaption {
  margin-top: 10px;
  color: var(--color-muted);
  font-size: 14px;
}

.page-about .about-compliance {
  position: relative;
  padding: 64px 0 72px;
  color: var(--color-white);
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-deep) 100%);
}
.page-about .about-compliance::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.055) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}
.page-about .about-compliance .section-heading-row { position: relative; z-index: 2; }
.page-about .about-compliance .section-heading-row h2 { color: var(--color-white); }
.page-about .about-compliance .section-heading-row p { color: rgba(255, 255, 255, 0.66); }
.page-about .about-compliance .about-insights-link { color: var(--color-gold-light); }
.page-about .compliance-grid {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 18px;
}
.page-about .compliance-card {
  position: relative;
  padding: 26px;
  background: rgba(255, 255, 255, 0.065);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  transition: transform var(--transition), background var(--transition), box-shadow var(--transition);
}
.page-about .compliance-card:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.3);
}
.page-about .compliance-card:nth-child(1) { border-top: 4px solid var(--color-gold); }
.page-about .compliance-card:nth-child(2) { border-top: 4px solid var(--color-teal); }
.page-about .compliance-card:nth-child(3) { border-top: 4px solid var(--color-indigo); }
.page-about .compliance-card:nth-child(4) { border-top: 4px solid var(--color-wine); }
.page-about .compliance-card .status-dot {
  position: absolute;
  right: 22px;
  top: 24px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-gold);
  box-shadow: 0 0 0 6px rgba(201, 168, 106, 0.18);
}
.page-about .compliance-label {
  margin: 0 0 10px;
  color: var(--color-gold-light);
  font-family: var(--font-display);
  font-size: 18px;
}
.page-about .compliance-value {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-display);
  font-size: 23px;
  font-weight: 800;
  line-height: 1.3;
}
.page-about .compliance-email {
  font-family: var(--font-mono);
  font-size: 15px;
  word-break: break-all;
}
.page-about .compliance-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 14px;
}
.page-about .compliance-note {
  position: relative;
  z-index: 2;
  margin-top: 32px;
  padding: 22px 26px;
  border: 1px solid var(--color-gold);
  border-radius: var(--radius-lg);
  background: rgba(201, 168, 106, 0.1);
}
.page-about .compliance-note p {
  margin: 0;
  color: var(--color-gold-light);
}

@media (min-width: 880px) {
  .page-about .about-positioning { padding: 64px 0 80px; }
  .page-about .about-positioning-grid {
    grid-template-columns: 1.25fr 0.75fr;
    align-items: center;
    padding: 40px;
  }
  .page-about .about-emblem { width: 200px; height: 200px; }
  .page-about .about-milestones,
  .page-about .about-capabilities,
  .page-about .about-compliance { padding: 88px 0 96px; }

  .page-about .milestone-list::before {
    left: 50%;
    transform: translateX(-50%);
  }
  .page-about .milestone-item {
    width: 50%;
    padding-left: 0;
  }
  .page-about .milestone-item:nth-child(odd) {
    margin-right: auto;
    padding-right: 48px;
  }
  .page-about .milestone-item:nth-child(even) {
    margin-left: auto;
    padding-left: 48px;
  }
  .page-about .milestone-dot {
    left: auto;
    right: auto;
    top: 28px;
    width: 18px;
    height: 18px;
  }
  .page-about .milestone-item:nth-child(odd) .milestone-dot { right: -10px; }
  .page-about .milestone-item:nth-child(even) .milestone-dot { left: -10px; }
  .page-about .capability-grid { grid-template-columns: repeat(3, 1fr); }
  .page-about .capability-info-row {
    grid-template-columns: 1.1fr 1fr;
    align-items: center;
  }
  .page-about .compliance-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1200px) {
  .page-about .compliance-grid { grid-template-columns: repeat(4, 1fr); }
}