.page-about {
  --about-gap: 28px;
  --about-panel-bg: rgba(18, 28, 51, 0.72);
}

.page-about .breadcrumb {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 20px var(--gutter) 0;
  font-size: 13px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.page-about .breadcrumb a:hover {
  color: var(--orange-bright);
}

.page-about .crumb-sep {
  color: var(--line);
}

/* ---------- Hero ---------- */
.page-about .about-hero {
  padding-top: 36px;
  padding-bottom: 12px;
  background:
    radial-gradient(circle at 82% 12%, rgba(255, 107, 26, 0.22), transparent 46%),
    radial-gradient(circle at 8% 78%, rgba(0, 229, 255, 0.16), transparent 52%);
}

.page-about .about-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: start;
}

.page-about .about-hero-copy h1 {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.04em;
  font-size: clamp(34px, 8vw, 66px);
  line-height: 1.05;
  margin: 12px 0 20px;
  color: var(--paper);
}

.page-about .about-lede {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  color: #C6D2E6;
  margin: 0 0 14px;
  max-width: 46ch;
}

.page-about .about-lede--sub {
  color: var(--muted);
  font-size: 15px;
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-about .about-hero-card {
  background: var(--about-panel-bg);
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  padding: 24px 22px;
}

.page-about .card-kicker {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
  margin: 0 0 18px;
}

.page-about .about-factlist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .about-factlist li {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-about .about-factlist li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.page-about .fact-num {
  font-size: 26px;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
}

.page-about .fact-num sup {
  font-size: 14px;
  color: var(--orange);
}

.page-about .fact-label {
  font-size: 13px;
  color: var(--muted);
}

.page-about .card-foot {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--muted);
}

/* ---------- Position ---------- */
.page-about .about-position-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-about .about-position-label .section-title {
  margin-top: 8px;
}

.page-about .about-position-body p {
  margin: 0 0 16px;
  color: #C6D2E6;
  font-size: 16px;
  line-height: 1.85;
}

.page-about .about-pillars {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-about .pillar {
  background: var(--about-panel-bg);
  border: 1px solid var(--line);
  padding: 22px 20px;
  position: relative;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.page-about .pillar:hover {
  transform: translateY(-4px);
  border-color: var(--cyan);
  box-shadow: var(--lift);
}

.page-about .pillar-idx {
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--orange);
  margin: 0 0 10px;
}

.page-about .pillar h3 {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: -0.02em;
  color: var(--paper);
  margin: 0 0 10px;
}

.page-about .pillar p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- Switch ---------- */
.page-about .about-switch-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-about .about-switch-main .section-lede {
  margin-bottom: 26px;
}

.page-about .switch-steps {
  display: grid;
  gap: 18px;
}

.page-about .switch-step {
  border-left: 2px solid var(--orange);
  padding: 4px 0 4px 18px;
}

.page-about .step-no {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-about .switch-step h3 {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--paper);
  margin: 8px 0 8px;
  letter-spacing: -0.01em;
}

.page-about .switch-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: #C6D2E6;
}

.page-about .about-switch-tail {
  margin: 24px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-about .about-switch-aside {
  background: linear-gradient(160deg, rgba(255, 107, 26, 0.12), rgba(18, 28, 51, 0.9));
  border: 1px solid var(--line);
  border-top: 3px solid var(--cyan);
  padding: 24px 22px;
}

.page-about .switch-notes {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .switch-notes li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: #C6D2E6;
}

.page-about .switch-notes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 2px;
  background: var(--orange);
}

/* ---------- Timeline ---------- */
.page-about .about-timeline .section-lede {
  margin-bottom: 30px;
}

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

.page-about .tablist {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 12px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-about .tab {
  flex: 0 0 auto;
  scroll-snap-align: start;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  padding: 10px 16px;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.page-about .tab[aria-selected="true"] {
  color: var(--ink-0);
  background: var(--orange);
  border-color: var(--orange);
}

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

.page-about .tab[aria-selected="true"]:hover {
  color: var(--ink-0);
}

.page-about .tab:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-about .timeline-axis {
  height: 2px;
  background: linear-gradient(90deg, var(--orange), var(--cyan) 60%, transparent);
  margin: 0 0 26px;
}

.page-about .tl-card {
  background: var(--about-panel-bg);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  padding: 26px 22px;
  position: relative;
}

.page-about .tl-card::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 30px;
  width: 9px;
  height: 9px;
  background: var(--orange);
}

.page-about .tl-index {
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--gold);
  margin: 0 0 12px;
}

.page-about .tl-card h3 {
  font-family: var(--font-display);
  font-size: 26px;
  letter-spacing: -0.02em;
  color: var(--paper);
  margin: 0 0 12px;
}

.page-about .tl-card p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.8;
  color: #C6D2E6;
}

.page-about .tl-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .tl-facts li {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan);
  padding-left: 16px;
  position: relative;
}

.page-about .tl-facts li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--orange);
}

.page-about .about-timeline-media {
  margin: 32px 0 0;
}

/* ---------- Team ---------- */
.page-about .about-team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-about .about-team-copy .section-title {
  margin: 8px 0 18px;
}

.page-about .about-team-copy > p {
  font-size: 16px;
  line-height: 1.85;
  color: #C6D2E6;
  margin: 0 0 22px;
}

.page-about .team-roles {
  display: grid;
  gap: 12px;
}

.page-about .team-roles .disclosure {
  border: 1px solid var(--line);
  border-left: 2px solid var(--orange);
  background: rgba(18, 28, 51, 0.6);
}

.page-about .team-roles .disclosure summary {
  padding: 14px 18px;
  cursor: pointer;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  color: var(--paper);
  list-style: none;
}

.page-about .team-roles .disclosure summary::-webkit-details-marker {
  display: none;
}

.page-about .team-roles .disclosure summary::after {
  content: "+";
  float: right;
  font-family: var(--font-mono);
  color: var(--cyan);
}

.page-about .team-roles .disclosure[open] summary::after {
  content: "–";
}

.page-about .team-roles .disclosure-body {
  padding: 0 18px 16px;
}

.page-about .team-roles .disclosure-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- Eco ---------- */
.page-about .about-eco .section-lede {
  margin-bottom: 30px;
}

.page-about .eco-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-about .eco-card {
  background: var(--about-panel-bg);
  border: 1px solid var(--line);
  padding: 24px 20px;
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.page-about .eco-card:hover,
.page-about .eco-card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--gold);
  background: rgba(255, 200, 87, 0.07);
  outline: none;
}

.page-about .eco-num {
  font-size: 32px;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
  display: block;
  margin-bottom: 12px;
}

.page-about .eco-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: -0.01em;
  color: var(--paper);
  margin: 0 0 10px;
}

.page-about .eco-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-about .about-eco-media {
  margin: 30px 0 0;
}

/* ---------- Reach ---------- */
.page-about .about-reach-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-about .about-reach-lead .section-title {
  margin: 8px 0 16px;
}

.page-about .about-reach-lead p {
  font-size: 16px;
  line-height: 1.85;
  color: #C6D2E6;
  margin: 0;
}

.page-about .reach-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .reach-stat {
  background: var(--ink-0);
  padding: 22px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-about .reach-num {
  font-size: 30px;
  font-weight: 700;
  color: var(--orange);
  line-height: 1;
}

.page-about .reach-num sup {
  font-size: 15px;
  color: var(--cyan);
}

.page-about .reach-label {
  font-size: 13px;
  color: var(--muted);
}

/* ---------- CTA ---------- */
.page-about .about-cta {
  border-top: 1px solid var(--line);
}

.page-about .about-cta-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  align-items: center;
}

.page-about .about-cta-title {
  font-family: var(--font-display);
  font-size: clamp(26px, 5vw, 38px);
  letter-spacing: -0.03em;
  color: var(--paper);
  margin: 0 0 10px;
}

.page-about .about-cta-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

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

/* ---------- Media base ---------- */
.page-about .media img {
  max-width: 100%;
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border: 1px solid var(--line);
}

.page-about .media--wide img {
  aspect-ratio: 3 / 2;
}

.page-about .media--4x3 img {
  aspect-ratio: 4 / 3;
}

/* ---------- Desktop ---------- */
@media (min-width: 760px) {
  .page-about .about-hero-grid {
    grid-template-columns: 1.45fr 0.85fr;
    gap: 48px;
    align-items: center;
  }

  .page-about .about-position-grid {
    grid-template-columns: 0.85fr 1.15fr;
    gap: 26px 48px;
    align-items: start;
  }

  .page-about .about-position-label {
    grid-row: span 2;
  }

  .page-about .about-pillars {
    grid-column: 2;
    grid-template-columns: repeat(2, 1fr);
  }

  .page-about .about-switch-grid {
    grid-template-columns: 1.5fr 1fr;
    gap: 44px;
    align-items: start;
  }

  .page-about .switch-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .page-about .about-team-grid {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 44px;
    align-items: center;
  }

  .page-about .eco-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }

  .page-about .about-reach-grid {
    grid-template-columns: 1fr 1.1fr;
    gap: 48px;
    align-items: center;
  }

  .page-about .reach-stats {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about .about-cta-inner {
    grid-template-columns: 1.2fr auto;
    gap: 32px;
  }

  .page-about .about-cta-actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1024px) {
  .page-about .eco-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about .about-factlist {
    gap: 16px;
  }

  .page-about .fact-num {
    font-size: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .pillar,
  .page-about .eco-card {
    transition: none;
  }

  .page-about .pillar:hover,
  .page-about .eco-card:hover {
    transform: none;
  }
}