.page-about {
  --about-panel: #151F4A;
  --about-line: 2px solid #060A1E;
}

.page-about .about-shell {
  padding-top: clamp(14px, 2.4vw, 26px);
  padding-bottom: clamp(40px, 6vw, 88px);
}

.page-about .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-about .breadcrumb__list li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-about .breadcrumb__list li + li::before {
  content: "/";
  color: var(--mist);
}

.page-about .breadcrumb__link {
  color: var(--grey);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-about .breadcrumb__link:hover,
.page-about .breadcrumb__link:focus-visible {
  color: var(--grass);
  border-bottom-color: var(--grass);
}

.page-about .breadcrumb__current {
  color: var(--white);
}

/* ---------- hero ---------- */
.page-about .about-hero {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
  padding-block: clamp(10px, 2vw, 26px) clamp(28px, 4vw, 44px);
}

.page-about .about-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6vw, 60px);
  line-height: 1.06;
  letter-spacing: -.005em;
  color: var(--white);
  max-width: 16ch;
}

.page-about .about-hero__lead {
  margin: 18px 0 0;
  max-width: 48ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--grey);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-about .about-hero__figure {
  margin: 0;
  border: var(--about-line);
  background: var(--ink-2);
  box-shadow: var(--shadow-hard);
}

.page-about .about-hero__figure .figure__media {
  overflow: hidden;
}

.page-about .about-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-about .figure__caption {
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--grey);
  border-top: 1px solid rgba(199, 208, 228, .18);
}

/* ---------- stat strip ---------- */
.page-about .about-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--ink-edge);
  border: var(--about-line);
  box-shadow: var(--shadow-hard-sm);
}

.page-about .about-stats li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 16px;
  background: var(--ink-2);
}

.page-about .about-stats .tally {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1;
  color: var(--grass);
}

.page-about .about-stats li:nth-child(2) .tally,
.page-about .about-stats li:nth-child(4) .tally {
  color: var(--flare);
}

.page-about .about-stats__label {
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--mist);
}

/* ---------- .page-about layout ---------- */
.page-about .about-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  margin-top: clamp(36px, 5vw, 64px);
}

.page-about .about-rail {
  align-self: start;
  border: var(--about-line);
  background: var(--ink-2);
  box-shadow: var(--shadow-hard-sm);
  padding: 16px 14px;
}

.page-about .about-rail .rail__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--flare);
}

.page-about .about-rail .rail__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-rail .rail__link {
  display: block;
  padding: 6px 10px;
  border: 1px solid rgba(199, 208, 228, .22);
  font-size: 13px;
  color: var(--grey);
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}

.page-about .about-rail .rail__link:hover,
.page-about .about-rail .rail__link:focus-visible {
  color: var(--ink);
  background: var(--grass);
  border-color: var(--grass);
}

.page-about .about-rail .rail__link.is-active {
  color: var(--ink);
  background: var(--flare);
  border-color: var(--flare);
}

.page-about .about-main {
  min-width: 0;
}

/* ---------- blocks ---------- */
.page-about .about-block + .about-block {
  margin-top: clamp(38px, 5vw, 64px);
}

.page-about .about-block .section-head__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.16;
  color: var(--white);
  margin: 0;
}

.page-about .about-block .section-head__note {
  margin: 10px 0 0;
  max-width: 56ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-about .about-block .section-head {
  border-bottom: var(--about-line);
  padding-bottom: 16px;
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-about .about-origin p {
  margin: 0 0 14px;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--grey);
}

.page-about .about-facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  background: var(--ink-edge);
  border: var(--about-line);
}

.page-about .about-facts li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  background: var(--ink-2);
}

.page-about .about-facts strong {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--flare);
}

.page-about .about-facts span {
  font-size: 14px;
  color: var(--white);
}

/* ---------- crew cards ---------- */
.page-about .crew {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-about .crew-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 20px 20px 26px;
  background: var(--ink-2);
  border: var(--about-line);
  box-shadow: var(--shadow-hard-sm);
  transition: transform .22s var(--ease), box-shadow .22s var(--ease);
}

.page-about .crew-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 8px;
  background: var(--crew-accent, var(--grass));
}

.page-about .crew-card:hover,
.page-about .crew-card:focus-within {
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-hard);
}

.page-about .crew-card--edit { --crew-accent: #4BE38A; }
.page-about .crew-card--check { --crew-accent: #FF7A1A; }
.page-about .crew-card--tech { --crew-accent: #23306B; }
.page-about .crew-card--venue { --crew-accent: #C7D0E4; }

.page-about .crew-card__top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.page-about .crew-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
  letter-spacing: .01em;
  color: var(--white);
}

.page-about .crew-card__num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 30px;
  line-height: 1;
  color: var(--crew-accent);
}

.page-about .crew-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--grey);
}

.page-about .crew-card__meta {
  padding-top: 10px;
  border-top: 1px solid rgba(199, 208, 228, .16);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--mist);
}

/* ---------- timeline ---------- */
.page-about .phase-wrap {
  display: grid;
  gap: clamp(20px, 3vw, 30px);
}

.page-about .phase-list {
  position: relative;
  margin: 0;
  padding: 0 0 0 26px;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-about .phase-list::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: rgba(75, 227, 138, .45);
}

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

.page-about .phase::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 20px;
  width: 14px;
  height: 14px;
  background: var(--grass);
  border: var(--about-line);
  border-radius: 50%;
}

.page-about .phase--now::before {
  background: var(--flare);
}

.page-about .phase__box {
  background: var(--ink-2);
  border: 1px solid rgba(199, 208, 228, .2);
}

.page-about .phase--now .phase__box {
  border: var(--about-line);
  box-shadow: var(--shadow-hard-sm);
}

.page-about .phase__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
}

.page-about .phase__summary::-webkit-details-marker {
  display: none;
}

.page-about .phase__summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--mist);
}

.page-about .phase__box[open] .phase__summary::after {
  content: "−";
  color: var(--flare);
}

.page-about .phase__name {
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
}

.page-about .phase__text {
  margin: 0;
  padding: 0 16px 16px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--grey);
}

.page-about .phase-figure {
  margin: 0;
  border: var(--about-line);
  background: var(--ink-2);
  box-shadow: var(--shadow-hard-sm);
}

.page-about .phase-figure img,
.page-about .network-visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .phase-figure .figure__media,
.page-about .network-visual .figure__media {
  overflow: hidden;
}

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

.page-about .network-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px;
  background: var(--ink-2);
  border: var(--about-line);
  box-shadow: var(--shadow-hard-sm);
}

.page-about .network-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--grey);
}

.page-about .network-card__num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 32px;
  line-height: 1;
  color: var(--grass);
}

.page-about .network-visual {
  display: grid;
  gap: 18px;
  margin-top: 20px;
}

.page-about .network-visual .figure {
  margin: 0;
  border: var(--about-line);
  background: var(--ink-2);
}

.page-about .stamps {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: start;
}

.page-about .stamp {
  padding: 10px 16px;
  border: 2px dashed var(--grass);
  color: var(--grass);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  transform: rotate(-1.4deg);
}

.page-about .stamp:nth-child(2) {
  border-color: var(--flare);
  color: var(--flare);
  transform: rotate(1.2deg);
}

.page-about .stamp:nth-child(3) {
  border-color: #C7D0E4;
  color: #C7D0E4;
  transform: rotate(-.6deg);
}

/* ---------- gates ---------- */
.page-about .gates {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--ink-edge);
  border: var(--about-line);
  box-shadow: var(--shadow-hard-sm);
}

.page-about .gate {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 18px;
  background: var(--ink-2);
}

.page-about .gate__no {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 20px;
  line-height: 1.2;
  color: var(--flare);
}

.page-about .gate h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  color: var(--white);
}

.page-about .gate p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--grey);
}

.page-about .about-quality__foot {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

.page-about .about-quality__foot a {
  color: var(--grass);
  text-decoration: none;
  border-bottom: 1px solid rgba(75, 227, 138, .5);
}

.page-about .about-quality__foot a:hover,
.page-about .about-quality__foot a:focus-visible {
  color: var(--white);
  border-bottom-color: var(--white);
}

/* ---------- cta ---------- */
.page-about .about-cta {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: clamp(38px, 5vw, 68px);
  padding: clamp(22px, 3.4vw, 34px);
  background: #23306B;
  border: var(--about-line);
  box-shadow: var(--shadow-hard);
}

.page-about .about-cta__text {
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--white);
}

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

/* ---------- responsive ---------- */
@media (min-width: 620px) {
  .page-about .about-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

@media (min-width: 760px) {
  .page-about .crew {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .about-cta {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
  }

  .page-about .about-body {
    grid-template-columns: 220px minmax(0, 1fr);
    align-items: start;
  }

  .page-about .about-rail {
    position: sticky;
    top: calc(var(--header-h) + 20px);
    padding: 20px 16px;
  }

  .page-about .about-rail .rail__list {
    flex-direction: column;
    flex-wrap: nowrap;
  }

  .page-about .about-rail .rail__link {
    border-color: transparent;
    border-left: 3px solid rgba(199, 208, 228, .22);
  }

  .page-about .about-rail .rail__link:hover,
  .page-about .about-rail .rail__link:focus-visible {
    border-left-color: var(--grass);
    background: transparent;
    color: var(--grass);
  }

  .page-about .about-rail .rail__link.is-active {
    border-left-color: var(--flare);
    background: transparent;
    color: var(--flare);
  }

  .page-about .phase-wrap {
    grid-template-columns: minmax(0, 1fr) minmax(0, .85fr);
    align-items: start;
  }

  .page-about .network-visual {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .crew-card,
  .page-about .about-rail .rail__link,
  .page-about .breadcrumb__link {
    transition: none;
  }

  .page-about .crew-card:hover,
  .page-about .crew-card:focus-within {
    transform: none;
  }
}