.page-about {
  --about-gap: 20px;
  overflow-x: hidden;
}

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

.page-about .breadcrumb {
  padding-top: 22px;
}

/* ---------- Hero ---------- */
.page-about .about-hero {
  display: grid;
  gap: 30px;
  padding: 28px 0 44px;
  border-bottom: 1px solid var(--line);
}

.page-about .about-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(29px, 6.6vw, 52px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-weight: 800;
  margin: 14px 0 18px;
  color: var(--white);
}

.page-about .about-hero .lede {
  max-width: 64ch;
  color: var(--mist);
  font-size: 16px;
  line-height: 1.78;
  margin: 0;
}

.page-about .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-about .hero-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
  align-self: start;
}

.page-about .hero-metric {
  background: var(--panel);
  padding: 16px 14px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.page-about .hero-metric .num {
  font-family: var(--font-data);
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--white);
  line-height: 1.1;
}

.page-about .hero-metric .lbl {
  font-size: 12px;
  line-height: 1.5;
  color: var(--mist);
}

.page-about .hero-metric--accent .num {
  color: var(--cyan);
}

/* ---------- Blocks & heads ---------- */
.page-about .about-block {
  padding: 46px 0;
  border-bottom: 1px solid var(--line);
}

.page-about .about-block:last-of-type {
  border-bottom: 0;
}

.page-about .about-head {
  max-width: 68ch;
  margin-bottom: 28px;
}

.page-about .about-head h2 {
  font-family: var(--font-display);
  font-size: clamp(23px, 4.4vw, 36px);
  line-height: 1.12;
  letter-spacing: -0.015em;
  font-weight: 800;
  margin: 10px 0 12px;
  color: var(--white);
}

.page-about .about-head p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- Role cards ---------- */
.page-about .role-grid {
  display: grid;
  gap: 14px;
}

.page-about .role-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: 2px solid var(--line-2);
  border-radius: var(--r);
  padding: 18px 16px 20px;
  min-width: 0;
  transition: transform 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-about .role-card:hover {
  transform: translateY(-2px);
  border-color: var(--line-2);
}

.page-about .role-card--cyan {
  border-top-color: var(--cyan);
}

.page-about .role-card--orange {
  border-top-color: var(--orange);
}

.page-about .role-card--amber {
  border-top-color: var(--amber);
}

.page-about .role-tag {
  margin: 0;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mist);
  text-transform: uppercase;
}

.page-about .role-card h3 {
  margin: 8px 0 8px;
  font-size: 17px;
  line-height: 1.4;
  color: var(--white);
}

.page-about .role-card p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- Flow strip ---------- */
.page-about .flow-card {
  margin-top: 18px;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line-2);
  border-radius: var(--r);
  overflow: hidden;
}

.page-about .flow-step {
  background: var(--panel-2);
  padding: 20px 18px;
  min-width: 0;
}

.page-about .flow-step .step-idx {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-about .flow-step h3 {
  margin: 8px 0 6px;
  font-size: 16px;
  color: var(--white);
}

.page-about .flow-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

.page-about .flow-step--end .step-idx {
  color: var(--amber);
}

/* ---------- Timeline ---------- */
.page-about .timeline-wrap {
  display: grid;
  gap: 26px;
}

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

.page-about .timeline-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--panel);
}

.page-about .timeline-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

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

.page-about .tl-item {
  position: relative;
  padding-left: 18px;
  border-left: 1px solid var(--line-2);
  min-width: 0;
}

.page-about .tl-item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 12px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink);
  border: 1px solid var(--line-2);
}

.page-about .tl-item--now::before {
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 0 4px rgba(35, 230, 213, 0.14);
}

.page-about .tl-year {
  display: block;
  font-family: var(--font-data);
  font-size: 21px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--mist);
  line-height: 1.2;
}

.page-about .tl-item--now .tl-year {
  color: var(--cyan);
}

.page-about .tl-body {
  margin-top: 8px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 16px;
  transition: transform 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-about .tl-item:hover .tl-body,
.page-about .tl-item:focus-within .tl-body {
  transform: translateY(-2px);
  border-color: var(--cyan);
}

.page-about .tl-item--now .tl-body {
  border-color: rgba(35, 230, 213, 0.55);
}

.page-about .tl-body h3 {
  margin: 8px 0 6px;
  font-size: 16px;
  line-height: 1.45;
  color: var(--white);
}

.page-about .tl-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--mist);
}

.page-about .tl-more {
  margin-top: 10px;
  padding-left: 10px;
  border-left: 2px solid var(--amber);
  font-size: 13px;
  color: var(--mist);
}

/* ---------- Team ---------- */
.page-about .team-intro {
  display: grid;
  gap: 18px;
}

.page-about .team-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--panel);
}

.page-about .team-stats {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
  align-content: start;
}

.page-about .team-stat {
  background: var(--panel);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.page-about .team-stat strong {
  font-family: var(--font-data);
  font-size: 21px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-about .team-stat span {
  font-size: 13px;
  line-height: 1.62;
  color: var(--mist);
}

.page-about .team-grid {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.page-about .team-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
  min-width: 0;
  transition: border-color 0.16s var(--ease);
}

.page-about .team-panel[open] {
  border-color: var(--line-2);
}

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

.page-about .team-panel summary {
  position: relative;
  cursor: pointer;
  list-style: none;
  padding: 16px 40px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

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

.page-about .team-panel summary::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 14px;
  font-family: var(--font-data);
  font-size: 16px;
  color: var(--cyan);
  line-height: 1;
}

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

.page-about .team-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
}

.page-about .team-scope {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-about .team-panel p {
  margin: 0 16px 16px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- Coverage ---------- */
.page-about .coverage-grid {
  display: grid;
  gap: 26px;
}

.page-about .zone-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
}

.page-about .zone-cell {
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 2px;
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--mist);
  transition: background 0.16s var(--ease), color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-about .zone-cell:hover {
  border-color: var(--cyan);
  color: var(--white);
  background: var(--panel-2);
}

.page-about .zone-cell--cyan {
  background: rgba(35, 230, 213, 0.12);
  border-color: rgba(35, 230, 213, 0.65);
  color: var(--cyan);
}

.page-about .zone-cell--orange {
  background: rgba(255, 106, 43, 0.12);
  border-color: rgba(255, 106, 43, 0.6);
  color: var(--orange);
}

.page-about .map-caption {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist);
}

.page-about .coop-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}

.page-about .coop-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.page-about .coop-num {
  font-family: var(--font-data);
  font-size: 18px;
  font-weight: 600;
  color: var(--white);
  white-space: nowrap;
}

.page-about .coop-label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
  text-align: right;
}

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

.page-about .coverage-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--panel);
}

.page-about .coverage-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

/* ---------- Support ---------- */
.page-about .support-grid {
  display: grid;
  gap: 22px;
}

.page-about .guide-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0 18px;
}

.page-about .guide-list li {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.6;
  color: var(--mist);
}

.page-about .guide-idx {
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--cyan);
  flex: none;
}

.page-about .support-summary {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--mist);
}

.page-about .support-card {
  background: var(--panel);
  border: 1px solid var(--line-2);
  border-radius: var(--r);
  padding: 20px 18px 18px;
  align-self: start;
  min-width: 0;
}

.page-about .support-card dl {
  margin: 0;
}

.page-about .support-card dt {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mist);
  margin-top: 16px;
}

.page-about .support-card dt:first-child {
  margin-top: 0;
}

.page-about .support-card dd {
  margin: 5px 0 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-about .support-note {
  margin: 18px 0 0;
  padding-left: 10px;
  border-left: 2px solid var(--amber);
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-about .support-card .cta-actions {
  margin-top: 18px;
}

/* ---------- CTA band ---------- */
.page-about .about-cta {
  margin: 40px 0 56px;
  padding: 26px 20px;
  border: 1px solid var(--line-2);
  border-radius: var(--r);
  background:
    linear-gradient(135deg, rgba(35, 230, 213, 0.1), rgba(7, 12, 26, 0) 58%),
    var(--panel);
  display: grid;
  gap: 18px;
}

.page-about .about-cta h2 {
  font-family: var(--font-display);
  font-size: clamp(22px, 3.6vw, 30px);
  line-height: 1.15;
  letter-spacing: -0.015em;
  font-weight: 800;
  margin: 0 0 8px;
  color: var(--white);
}

.page-about .about-cta p {
  margin: 0;
  max-width: 58ch;
  font-size: 14px;
  line-height: 1.74;
  color: var(--mist);
}

.page-about .cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- Responsive ---------- */
@media (min-width: 560px) {
  .page-about .zone-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

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

  .page-about .hero-metric {
    padding: 18px 16px 20px;
  }

  .page-about .hero-metric .num {
    font-size: 28px;
  }
}

@media (min-width: 760px) {
  .page-about .role-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

@media (min-width: 900px) {
  .page-about .about-hero {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: end;
    gap: 40px;
    padding: 40px 0 56px;
  }

  .page-about .hero-metrics {
    align-self: end;
  }

  .page-about .about-block {
    padding: 60px 0;
  }

  .page-about .team-intro {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    align-items: stretch;
    gap: 24px;
  }

  .page-about .coverage-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
    gap: 32px;
  }

  .page-about .support-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: 30px;
  }

  .page-about .about-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 30px 28px;
  }
}

@media (min-width: 960px) {
  .page-about .timeline-wrap {
    grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.5fr);
    gap: 36px;
    align-items: start;
  }

  .page-about .timeline-figure {
    position: sticky;
    top: calc(var(--bar-h) + 24px);
  }

  .page-about .tl-item {
    padding-left: 22px;
  }

  .page-about .tl-more {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    margin-top: 0;
    border-left-color: var(--line-2);
    transition: max-height 0.18s var(--ease), opacity 0.18s var(--ease), margin-top 0.18s var(--ease);
  }

  .page-about .tl-item:hover .tl-more,
  .page-about .tl-item:focus-within .tl-more {
    max-height: 180px;
    opacity: 1;
    margin-top: 10px;
    border-left-color: var(--amber);
  }
}

@media (min-width: 1080px) {
  .page-about .team-grid {
    grid-template-columns: 1.3fr 1.15fr 0.95fr 1.05fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .role-card,
  .page-about .tl-body,
  .page-about .tl-more,
  .page-about .zone-cell,
  .page-about .team-panel {
    transition: none;
  }

  .page-about .role-card:hover,
  .page-about .tl-item:hover .tl-body,
  .page-about .tl-item:focus-within .tl-body {
    transform: none;
  }
}