.page-about {
  --about-measure: 68ch;
  --about-band: linear-gradient(90deg, var(--lime) 0%, var(--orange) 100%);
  background: var(--night);
  color: var(--text);
  overflow-x: hidden;
}

.page-about .breadcrumbs {
  padding: 20px 0 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-about .breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
}

.page-about .breadcrumbs a:hover,
.page-about .breadcrumbs a:focus-visible {
  color: var(--lime);
  text-decoration: underline;
}

/* ---------- HERO ---------- */

.page-about .about-hero {
  position: relative;
  padding: 40px 0 48px;
  border-bottom: 1px solid var(--rule);
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(198, 255, 61, 0.16), transparent 62%),
    radial-gradient(90% 70% at 0% 110%, rgba(70, 240, 200, 0.08), transparent 60%),
    repeating-linear-gradient(90deg, rgba(30, 90, 60, 0.4) 0 1px, transparent 1px 88px);
}

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

.page-about .about-hero .eyebrow {
  color: var(--lime);
  margin: 0 0 18px;
}

.page-about .about-hero h1 {
  margin: 0 0 22px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.1rem, 8.6vw, 5.2rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
  color: var(--white);
}

.page-about .about-hero__lede {
  max-width: 62ch;
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--text);
}

.page-about .hero-figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 36px 0 0;
  padding: 0;
  background: var(--rule);
  border: 1px solid var(--rule);
}

.page-about .hero-figure {
  background: var(--night-2);
  padding: 14px 16px;
}

.page-about .hero-figure dt {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-about .hero-figure dd {
  margin: 6px 0 0;
  font-size: 0.95rem;
  color: var(--white);
}

.page-about .hero-figure dd .num {
  color: var(--lime);
  font-size: 1.35rem;
  margin-right: 2px;
}

/* ---------- CHAPTERS ---------- */

.page-about .chapter {
  padding: 52px 0 8px;
}

.page-about .chapter-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 24px;
}

.page-about .chapter-num {
  position: relative;
  flex: none;
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  color: var(--lime);
  padding-right: 34px;
}

.page-about .chapter-num::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  width: 24px;
  height: 1px;
  background: var(--lime);
  opacity: 0.85;
}

.page-about .chapter-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.35rem, 5.2vw, 2.35rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-about .chapter-body {
  max-width: var(--about-measure);
}

.page-about .chapter-body p {
  margin: 0 0 1.1em;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--text);
}

.page-about .chapter-lede {
  font-size: 1.02rem !important;
  color: var(--white) !important;
  border-left: 2px solid var(--lime);
  padding-left: 14px;
  margin-bottom: 26px !important;
}

.page-about .chapter-close {
  margin-top: 26px !important;
  padding: 12px 16px;
  background: var(--night-2);
  border-left: 3px solid var(--orange);
  font-size: 0.9rem !important;
  color: var(--white) !important;
}

.page-about .pull-note {
  font-family: var(--font-mono);
  font-size: 0.78rem !important;
  letter-spacing: 0.02em;
  color: var(--muted) !important;
  border-top: 1px dashed var(--rule);
  padding-top: 12px;
  margin-top: 20px !important;
}

.page-about .chapter-band {
  height: 3px;
  margin: 48px 0 0;
  background: var(--about-band);
  opacity: 0.75;
  border-radius: 2px;
}

/* split layout */

.page-about .chapter-body--split {
  max-width: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

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

.page-about .media {
  border: 1px solid var(--rule);
}

/* ---------- REASON LIST ---------- */

.page-about .reason-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-about .reason {
  position: relative;
  padding: 18px 18px 16px;
  background: var(--night-2);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-about .reason:hover,
.page-about .reason:focus-within {
  transform: translateY(-4px);
  border-color: var(--lime);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.42);
}

.page-about .reason h3 {
  margin: 12px 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-about .reason p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--text);
}

/* ---------- SHIFT SWITCH ---------- */

.page-about .shift-switch {
  position: relative;
  margin-top: 22px;
}

.page-about .shift-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-about .shift-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.page-about .shift-tab {
  display: inline-block;
  padding: 7px 16px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 999px;
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-about .shift-tab:hover {
  color: var(--lime);
  border-color: var(--lime);
}

.page-about #about-shift-am:checked ~ .shift-tabs label[for="about-shift-am"],
.page-about #about-shift-pm:checked ~ .shift-tabs label[for="about-shift-pm"],
.page-about #about-shift-night:checked ~ .shift-tabs label[for="about-shift-night"] {
  color: var(--night);
  background: var(--lime);
  border-color: var(--lime);
}

.page-about .shift-radio:focus-visible ~ .shift-tabs {
  outline: 2px solid var(--focus);
  outline-offset: 4px;
}

.page-about .shift-panel {
  display: none;
  padding: 16px 18px;
  background: var(--night-2);
  border-left: 3px solid var(--lime);
  border-radius: var(--radius);
}

.page-about #about-shift-am:checked ~ .shift-panels .shift-panel--am,
.page-about #about-shift-pm:checked ~ .shift-panels .shift-panel--pm,
.page-about #about-shift-night:checked ~ .shift-panels .shift-panel--night {
  display: block;
}

.page-about .shift-panel h3 {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--lime);
}

.page-about .shift-panel ul {
  margin: 0;
  padding-left: 18px;
  list-style: square;
}

.page-about .shift-panel li {
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--text);
  margin-bottom: 6px;
}

.page-about .shift-panel li::marker {
  color: var(--orange);
}

/* ---------- VERSION TRACK ---------- */

.page-about .version-track {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0 0 0 26px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-about .version-track::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(180deg, var(--lime), var(--orange));
  opacity: 0.7;
}

.page-about .version-node {
  position: relative;
  padding: 16px 18px;
  background: rgba(18, 64, 42, 0.28);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  backdrop-filter: blur(4px);
  transition: transform 0.25s var(--ease), background-color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-about .version-node:hover,
.page-about .version-node:focus-within {
  transform: translateY(-4px);
  background: rgba(18, 64, 42, 0.5);
  border-color: var(--lime);
}

.page-about .version-node__dot {
  position: absolute;
  left: -24px;
  top: 24px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(198, 255, 61, 0.14);
  transition: box-shadow 0.25s var(--ease);
}

.page-about .version-node:hover .version-node__dot {
  box-shadow: 0 0 0 8px rgba(198, 255, 61, 0.2);
}

.page-about .version-node--current {
  border-color: var(--orange);
}

.page-about .version-node--current .version-node__dot {
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 138, 43, 0.18);
}

.page-about .version-node__tag {
  margin: 0 0 8px;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--lime);
}

.page-about .version-node--current .version-node__tag {
  color: var(--orange);
}

.page-about .version-node h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-about .version-node p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.78;
  color: var(--text);
}

/* ---------- LOCAL ---------- */

.page-about .local-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-about .local-card {
  padding: 20px 18px;
  background: var(--night-2);
  border-top: 2px solid var(--lime);
  border-radius: var(--radius);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-about .local-card:nth-child(2) {
  border-top-color: var(--orange);
}

.page-about .local-card:nth-child(3) {
  border-top-color: var(--focus);
}

.page-about .local-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.42);
}

.page-about .local-card__num {
  margin: 0 0 8px;
  font-size: 1.9rem;
  line-height: 1;
  color: var(--white);
}

.page-about .local-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--lime);
}

.page-about .local-card p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.78;
  color: var(--text);
}

.page-about .local-banner {
  margin: 30px 0 0;
}

/* ---------- PARTNERS ---------- */

.page-about .partner-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}

.page-about .partner {
  padding: 20px 18px;
  background: var(--night);
}

.page-about .partner h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--white);
}

.page-about .partner h3::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 10px;
  background: var(--lime);
  vertical-align: middle;
}

.page-about .partner:nth-child(2) h3::before {
  background: var(--orange);
}

.page-about .partner:nth-child(3) h3::before {
  background: var(--focus);
}

.page-about .partner p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.78;
  color: var(--text);
}

/* ---------- CTA ---------- */

.page-about .about-cta {
  padding: 56px 0 72px;
}

.page-about .about-cta__panel {
  padding: 28px 22px;
  border: 1px solid var(--rule);
}

.page-about .about-cta__text .eyebrow {
  color: var(--lime);
  margin: 0 0 12px;
}

.page-about .about-cta__text h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.3rem, 4.6vw, 1.9rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-about .about-cta__text p {
  margin: 0;
  max-width: 60ch;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--text);
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

/* ---------- RESPONSIVE ---------- */

@media (min-width: 760px) {
  .page-about .about-hero {
    padding: 64px 0 60px;
  }

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

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

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

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

  .page-about .version-track {
    padding-left: 0;
    padding-top: 30px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

  .page-about .version-track::before {
    left: 6px;
    right: 6px;
    top: 8px;
    bottom: auto;
    width: auto;
    height: 1px;
    background: linear-gradient(90deg, var(--lime), var(--orange));
  }

  .page-about .version-node__dot {
    left: 18px;
    top: -27px;
  }
}

@media (min-width: 1000px) {
  .page-about .chapter {
    padding: 72px 0 8px;
  }

  .page-about .chapter-band {
    margin-top: 64px;
  }

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

  .page-about .chapter-body--flip .chapter-figure {
    order: 2;
  }

  .page-about .chapter-body--flip .chapter-text {
    order: 1;
  }

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

  .page-about .about-cta__panel {
    padding: 40px 36px;
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: 36px;
    align-items: center;
  }

  .page-about .about-cta__actions {
    margin-top: 0;
    justify-content: flex-end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .reason,
  .page-about .version-node,
  .page-about .local-card {
    transition: none;
  }

  .page-about .reason:hover,
  .page-about .version-node:hover,
  .page-about .local-card:hover {
    transform: none;
  }
}