.page-about {
  --about-cream-ink: #232A34;
  --about-cream-muted: #6C7480;
  --about-blue-soft: #6F87FF;
  --about-index-w: 216px;
  --about-pad: clamp(20px, 3.4vw, 44px);
  background-color: var(--ink);
  color: var(--cream);
  padding-bottom: clamp(48px, 8vw, 96px);
}

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

.page-about .about-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background-color: var(--ink);
  background-image: linear-gradient(140deg, rgba(39, 72, 224, 0.30) 0%, rgba(14, 17, 22, 0) 54%);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  z-index: 0;
  right: -14%;
  top: -30%;
  width: min(560px, 64vw);
  aspect-ratio: 1 / 1;
  background-image: radial-gradient(circle at 32% 68%, rgba(228, 54, 47, 0.30), rgba(228, 54, 47, 0) 68%);
  transform: rotate(18deg);
  pointer-events: none;
}

.page-about .about-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  padding-block: clamp(32px, 5.6vw, 68px) clamp(36px, 6vw, 76px);
}

@media (min-width: 960px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    align-items: end;
  }
}

.page-about .about-hero__title {
  margin: 14px 0 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-size: clamp(28px, 5.2vw, 56px);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--cream);
}

.page-about .about-hero .lead {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.35vw, 16.5px);
  line-height: 1.85;
  color: var(--muted);
}

.page-about .about-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--muted);
}

.page-about .about-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 7px;
}

.page-about .about-hero__facts .mono {
  font-size: 15px;
  color: var(--red);
  letter-spacing: 0.02em;
}

.page-about .about-hero__media {
  margin: 0;
  border: 1px solid rgba(39, 72, 224, 0.45);
}

/* ---------- SHELL ---------- */

.page-about .about-shell {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  padding-block: clamp(36px, 6vw, 72px) 0;
}

@media (min-width: 1024px) {
  .page-about .about-shell {
    grid-template-columns: var(--about-index-w) minmax(0, 1fr);
    align-items: start;
    gap: clamp(36px, 5vw, 76px);
  }
}

/* ---------- INDEX RAIL ---------- */

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

@media (min-width: 1024px) {
  .page-about .about-index {
    position: sticky;
    top: calc(var(--strip-h) + 28px);
  }
}

.page-about .about-index__title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-about .about-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-about .about-index__list::-webkit-scrollbar {
  display: none;
}

@media (min-width: 1024px) {
  .page-about .about-index__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding: 0;
    border-left: 1px solid var(--line);
  }
}

.page-about .about-index__link {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 9px 13px;
  white-space: nowrap;
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: color 120ms var(--ease), background-color 120ms var(--ease), border-color 120ms var(--ease);
}

@media (min-width: 1024px) {
  .page-about .about-index__link {
    align-items: flex-start;
    margin-left: -1px;
    padding: 10px 12px 10px 14px;
    white-space: normal;
    line-height: 1.6;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
  }
}

.page-about .about-index__link:hover,
.page-about .about-index__link:focus-visible {
  color: var(--cream);
  background-color: rgba(39, 72, 224, 0.16);
  border-color: rgba(39, 72, 224, 0.6);
}

@media (min-width: 1024px) {
  .page-about .about-index__link:hover,
  .page-about .about-index__link:focus-visible {
    background-color: rgba(39, 72, 224, 0.12);
    border-color: transparent;
    border-left-color: var(--red);
  }
}

.page-about .about-index__num {
  flex: none;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--red);
}

.page-about .about-index__status {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 16px 0 0;
  font-size: 12px;
  color: var(--muted);
}

/* ---------- SECTIONS ---------- */

.page-about .about-section {
  position: relative;
  scroll-margin-top: calc(var(--strip-h) + 40px);
  padding-block: clamp(34px, 5.4vw, 62px);
}

.page-about .about-section:first-child {
  padding-top: 0;
}

.page-about .about-section + .about-section {
  border-top: 1px solid var(--line);
}

.page-about .about-section--cream {
  padding: clamp(28px, 4.6vw, 54px) var(--about-pad);
  border-radius: var(--radius);
  background-color: var(--cream);
  color: var(--about-cream-ink);
}

.page-about .about-section--blue {
  padding: clamp(28px, 4.6vw, 54px) var(--about-pad);
  border: 1px solid rgba(39, 72, 224, 0.5);
  border-radius: var(--radius);
  background-color: var(--blue-deep);
  background-image: linear-gradient(138deg, var(--blue-deep) 0%, var(--ink) 84%);
}

.page-about .about-section + .about-section--cream,
.page-about .about-section + .about-section--blue {
  border-top: 0;
}

.page-about .about-section .section-head {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-about .about-section .section-title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.2vw, 33px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--cream);
}

.page-about .about-section .section-note {
  margin: 12px 0 0;
  max-width: 64ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-about .about-section--cream .section-title {
  color: var(--about-cream-ink);
}

.page-about .about-section--cream .section-note {
  color: var(--about-cream-muted);
}

.page-about .about-section:not(.about-section--cream):not(.about-section--blue) .section-head::before {
  content: "";
  display: block;
  width: 44px;
  height: 2px;
  margin-bottom: 18px;
  background-color: var(--red);
}

/* ---------- S01 ---------- */

.page-about .about-prose p {
  margin: 0 0 1.2em;
  max-width: 68ch;
  font-size: clamp(15px, 1.3vw, 16.5px);
  line-height: 1.85;
  color: var(--muted);
}

.page-about .about-prose p:last-child {
  margin-bottom: 0;
}

.page-about .audience-row {
  display: grid;
  gap: 1px;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 0;
  list-style: none;
  background-color: var(--line);
  border: 1px solid var(--line);
}

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

.page-about .audience-row li {
  padding: 20px 18px;
  background-color: var(--ink-2);
}

.page-about .audience-row__key {
  display: block;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-about .audience-row p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- S02 ---------- */

.page-about .sector-grid {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background-color: rgba(35, 42, 52, 0.14);
  border: 1px solid rgba(35, 42, 52, 0.14);
}

@media (min-width: 640px) {
  .page-about .sector-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1060px) {
  .page-about .sector-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-about .sector-card {
  padding: 22px 20px 24px;
  background-color: #FFFFFF;
  transition: box-shadow 140ms var(--ease);
}

.page-about .sector-card:hover,
.page-about .sector-card:focus-within {
  box-shadow: inset 0 0 0 2px var(--red);
}

.page-about .sector-card__code {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--red);
}

.page-about .sector-card__name {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--about-cream-ink);
}

.page-about .sector-card__desc {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--about-cream-muted);
}

.page-about .about-map {
  margin: clamp(26px, 4vw, 40px) 0 0;
  border: 1px solid rgba(35, 42, 52, 0.16);
}

/* ---------- S03 TIMELINE ---------- */

.page-about .timeline {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .timeline__item {
  position: relative;
  padding: 0 0 clamp(22px, 3vw, 32px) 34px;
}

.page-about .timeline__item:last-child {
  padding-bottom: 0;
}

.page-about .timeline__item::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 5px;
  z-index: 1;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background-color: var(--ink);
  border: 1px solid var(--clay);
}

.page-about .timeline__item::after {
  content: "";
  position: absolute;
  left: 12px;
  top: 18px;
  bottom: 0;
  width: 1px;
  background-color: var(--line);
}

.page-about .timeline__item:last-child::after {
  display: none;
}

.page-about .timeline__item--live::before {
  background-color: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 0 5px rgba(79, 227, 216, 0.14);
}

.page-about .timeline__item--live::after {
  background-image: linear-gradient(180deg, rgba(79, 227, 216, 0.5), var(--line));
}

.page-about .timeline__stage {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--clay);
}

.page-about .timeline__item--live .timeline__stage {
  color: var(--cyan);
}

.page-about .timeline__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--cream);
}

.page-about .timeline__text {
  margin: 8px 0 0;
  max-width: 64ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- S04 TEAM ---------- */

.page-about .team-grid {
  display: grid;
  gap: 1px;
  background-color: var(--line);
  border: 1px solid var(--line);
}

@media (min-width: 700px) {
  .page-about .team-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1180px) {
  .page-about .team-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-about .team-cell {
  padding: 22px 20px 24px;
  background-color: var(--ink-2);
  transition: background-color 140ms var(--ease);
}

.page-about .team-cell:hover {
  background-color: #1D2431;
}

.page-about .team-cell__code {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--about-blue-soft);
}

.page-about .team-cell h3 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--cream);
}

.page-about .team-cell p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

.page-about .team-media {
  margin: clamp(24px, 4vw, 36px) 0 0;
  border: 1px solid var(--line);
}

/* ---------- S05 COOPERATION ---------- */

.page-about .coop-list {
  display: grid;
  gap: clamp(16px, 2.4vw, 26px);
  margin: 0;
  padding: 0;
  list-style: none;
}

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

.page-about .coop-item {
  padding-top: 16px;
  border-top: 1px solid rgba(237, 231, 220, 0.18);
}

.page-about .coop-item h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--cream);
}

.page-about .coop-item p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

.page-about .coop-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(26px, 4vw, 38px) 0 0;
  padding: 0;
  background-color: rgba(237, 231, 220, 0.16);
  border: 1px solid rgba(237, 231, 220, 0.16);
}

@media (min-width: 860px) {
  .page-about .coop-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-about .coop-stat {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 16px;
  background-color: rgba(14, 17, 22, 0.72);
}

.page-about .coop-stat dd {
  order: -1;
  margin: 0;
  font-family: var(--font-data);
  font-size: clamp(19px, 2.6vw, 27px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-about .coop-stat dt {
  margin: 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}

.page-about .coop-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: clamp(26px, 4vw, 36px) 0 0;
}

/* ---------- S06 TRUST ---------- */

.page-about .trust-steps {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background-color: rgba(35, 42, 52, 0.14);
  border: 1px solid rgba(35, 42, 52, 0.14);
}

@media (min-width: 700px) {
  .page-about .trust-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-about .trust-step {
  padding: 22px 20px 24px;
  background-color: var(--cream);
}

.page-about .trust-step__num {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--red);
}

.page-about .trust-step h3 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--about-cream-ink);
}

.page-about .trust-step p {
  margin: 9px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--about-cream-muted);
}

/* ---------- FOOT LINK ---------- */

.page-about .about-totop {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: clamp(30px, 5vw, 48px) 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}