.page-about {
  --ab-line: rgba(154, 170, 181, 0.2);
  --ab-line-soft: rgba(154, 170, 181, 0.12);
  --ab-pad: clamp(56px, 7vw, 104px);
  --ab-gap: clamp(26px, 4vw, 60px);
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

.page-about .wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
}

.page-about a {
  text-decoration: none;
}

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

.page-about .about-hero {
  position: relative;
  margin-top: calc(var(--header-h) * -1);
  padding: calc(var(--header-h) + 34px) 0 clamp(48px, 7vw, 84px);
  background:
    radial-gradient(900px 520px at 86% -8%, rgba(56, 232, 198, 0.14), transparent 62%),
    radial-gradient(620px 460px at 2% 108%, rgba(242, 184, 75, 0.09), transparent 66%),
    linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%);
  overflow: hidden;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(154, 170, 181, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(154, 170, 181, 0.055) 1px, transparent 1px);
  background-size: 72px 72px;
  pointer-events: none;
}

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

.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
  margin-top: clamp(24px, 4vw, 48px);
}

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

.page-about .about-hero__title {
  margin: 16px 0 0;
  font-size: clamp(32px, 5.4vw, 58px);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-about .about-hero__title span {
  display: block;
  margin-top: 10px;
  font-size: clamp(15px, 1.8vw, 20px);
  font-weight: 400;
  line-height: 1.7;
  letter-spacing: 0.14em;
  color: var(--cyan);
  font-family: var(--font-mono);
}

.page-about .about-hero__lede {
  margin: 22px 0 0;
  max-width: 54ch;
  font-size: 16px;
  line-height: 1.9;
  color: var(--haze);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-about .about-hero__visual {
  position: relative;
  min-width: 0;
}

.page-about .about-hero__media {
  aspect-ratio: 4 / 3;
  border: 1px solid var(--ab-line);
}

.page-about .about-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-about .about-hero__badge {
  position: absolute;
  left: 14px;
  bottom: 18px;
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  margin: 0;
  padding: 8px 14px;
  background: var(--gold);
  color: var(--deep);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  box-shadow: 5px 5px 0 rgba(5, 10, 16, 0.65);
}

.page-about .about-hero__badge strong {
  font-size: 16px;
  font-weight: 600;
}

.page-about .about-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(36px, 5vw, 56px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--ab-line);
  border: 1px solid var(--ab-line);
}

.page-about .about-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 20px;
  background: rgba(11, 27, 43, 0.88);
}

.page-about .about-hero__fact-n {
  font-family: var(--font-mono);
  font-size: clamp(20px, 3vw, 26px);
  letter-spacing: 0.02em;
  color: var(--gold);
}

.page-about .about-hero__fact-t {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--haze);
}

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

.page-about .about-chapter {
  padding: var(--ab-pad) 0;
  border-top: 1px solid var(--ab-line);
  background: var(--ink);
}

.page-about .about-chapter--alt {
  background: var(--ink-3);
}

.page-about .about-chapter--accent {
  background:
    radial-gradient(760px 420px at 12% 0%, rgba(56, 232, 198, 0.1), transparent 62%),
    linear-gradient(180deg, var(--ink-2) 0%, var(--ink) 100%);
}

.page-about .about-chapter__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.5vw, 40px);
}

.page-about .about-chapter__rail {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.page-about .about-chapter__num {
  font-family: var(--font-mono);
  font-weight: 300;
  font-size: clamp(42px, 7.5vw, 80px);
  line-height: 0.88;
  letter-spacing: 0.02em;
  color: rgba(154, 170, 181, 0.3);
}

.page-about .about-chapter__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
  border: 1px solid var(--line-cyan);
  padding: 4px 10px;
  white-space: nowrap;
}

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

.page-about .about-chapter__title {
  margin: 0 0 18px;
  font-size: clamp(23px, 3.2vw, 36px);
  font-weight: 300;
  line-height: 1.34;
  letter-spacing: 0.035em;
  color: var(--paper);
}

.page-about .about-chapter__lede {
  margin: 0 0 30px;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.9;
  color: var(--haze);
}

.page-about .about-chapter__note {
  margin: 32px 0 0;
  padding: 16px 0 16px 20px;
  border-left: 2px solid var(--gold);
  font-size: 15px;
  line-height: 1.85;
  color: var(--stone);
  max-width: 66ch;
}

.page-about .about-subtitle {
  margin: 0 0 14px;
  font-size: 17px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--paper);
}

/* ---------- PILLARS ---------- */

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

.page-about .about-pillar {
  padding: 20px 20px 22px;
  background: rgba(18, 40, 61, 0.72);
  border: 1px solid var(--ab-line);
  border-left: 2px solid var(--cyan);
  transition: transform var(--t) var(--ease), box-shadow var(--t) var(--ease);
}

.page-about .about-pillar:hover,
.page-about .about-pillar:focus-within {
  transform: translate(-3px, -3px);
  box-shadow: 6px 6px 0 rgba(56, 232, 198, 0.14);
}

.page-about .about-pillar__title {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--paper);
}

.page-about .about-pillar p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--stone);
}

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

.page-about .about-timeline {
  position: relative;
  margin-left: 5px;
  padding-left: 22px;
  border-left: 1px solid var(--line-strong);
}

.page-about .about-node {
  position: relative;
  border: 0;
  border-bottom: 1px solid var(--ab-line-soft);
  background: transparent;
  box-shadow: none;
}

.page-about .about-node:last-child {
  border-bottom: 0;
}

.page-about .about-node::before {
  content: "";
  position: absolute;
  left: -27px;
  top: 30px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink);
  border: 1px solid var(--stone);
  transition: background var(--t) var(--ease), border-color var(--t) var(--ease), box-shadow var(--t) var(--ease);
}

.page-about .about-node:hover::before,
.page-about .about-node[data-open]::before {
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 0 5px rgba(56, 232, 198, 0.13);
}

.page-about .about-node__head {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto 16px;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 20px 0;
  background: none;
  border: 0;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.page-about .about-node__head:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

.page-about .about-node__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-about .about-node__stage {
  font-size: 16px;
  letter-spacing: 0.04em;
  color: var(--paper);
  min-width: 0;
}

.page-about .about-node__year {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--stone);
  border: 1px solid var(--ab-line);
  padding: 3px 8px;
  white-space: nowrap;
}

.page-about .about-node__body {
  padding: 0 0 22px;
}

.page-about .about-node__body p {
  margin: 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--stone);
}

.page-about .about-timeline-media {
  margin: 40px 0 0;
  border: 1px solid var(--ab-line);
}

.page-about .about-timeline-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

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

.page-about .about-team {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 36px);
  align-items: start;
}

.page-about .about-team__img {
  aspect-ratio: 4 / 3;
  margin: 0;
  border: 1px solid var(--ab-line);
}

.page-about .about-team__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-about .about-team__copy p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--stone);
}

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

.page-about .about-statrow {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: clamp(28px, 4vw, 44px);
}

.page-about .about-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px;
  background: linear-gradient(160deg, rgba(18, 40, 61, 0.9), rgba(11, 27, 43, 0.9));
  border: 1px solid var(--ab-line);
  border-top: 2px solid var(--gold);
}

.page-about .about-stat__v {
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.4vw, 34px);
  line-height: 1;
  color: var(--paper);
}

.page-about .about-stat__k {
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-about .about-stat__d {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--stone);
}

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

.page-about .about-trust__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--ab-line);
  border: 1px solid var(--ab-line);
}

.page-about .about-trust__item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 24px 20px;
  background: rgba(11, 27, 43, 0.9);
}

.page-about .about-trust__v {
  font-family: var(--font-mono);
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1;
  color: var(--gold);
  letter-spacing: 0.01em;
}

.page-about .about-trust__k {
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--paper);
}

.page-about .about-trust__d {
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--stone);
}

/* ---------- ECOSYSTEM ---------- */

.page-about .about-eco {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.5vw, 44px);
  align-items: center;
}

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

.page-about .about-graph {
  display: block;
  width: 100%;
  height: auto;
  max-width: 560px;
  margin: 0 auto;
}

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

.page-about .about-eco__list li {
  display: grid;
  gap: 4px;
  padding-left: 16px;
  border-left: 2px solid rgba(56, 232, 198, 0.4);
}

.page-about .about-eco__k {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-about .about-eco__d {
  font-size: 14px;
  line-height: 1.8;
  color: var(--stone);
}

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

/* ---------- BIG SCREEN ---------- */

.page-about .about-screen {
  display: grid;
  gap: 26px;
}

.page-about .about-screen__specs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--ab-line);
  border: 1px solid var(--ab-line);
}

.page-about .about-screen__spec {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  background: rgba(11, 27, 43, 0.82);
}

.page-about .about-screen__v {
  font-family: var(--font-mono);
  font-size: clamp(15px, 2vw, 19px);
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-about .about-screen__k {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--stone);
}

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

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

@media (min-width: 640px) {
  .page-about .about-pillars {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

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

@media (min-width: 760px) {
  .page-about .about-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-team {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1fr);
  }
}

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.86fr);
  }

  .page-about .about-chapter__grid {
    grid-template-columns: minmax(0, 200px) minmax(0, 1fr);
    gap: var(--ab-gap);
  }

  .page-about .about-chapter__rail {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    align-self: start;
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-about .about-eco {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1fr);
  }

  .page-about .about-screen {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }

  .page-about .about-screen__actions {
    padding-bottom: 4px;
  }
}