.page-about {
  --ab-gap: clamp(56px, 8vw, 110px);
  --ab-cut: 20px;
  background: var(--ink);
  color: var(--text);
  overflow-x: clip;
}

.page-about .ab-section {
  padding-block: var(--ab-gap);
}

.page-about .ab-section--panel {
  background: var(--panel);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-about .ab-section--raise {
  background: var(--raise);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-about .ab-section--verdict {
  border-top: 1px solid var(--magenta-soft);
}

.page-about .ab-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-soft);
  transition: border-color 160ms var(--ease), color 160ms var(--ease);
}

.page-about .ab-link:hover,
.page-about .ab-link:focus-visible {
  color: var(--text);
  border-bottom-color: var(--cyan);
}

/* ---------- hero ---------- */
.page-about .ab-hero {
  display: grid;
  gap: 40px;
  padding-block: clamp(28px, 5vw, 60px) clamp(48px, 7vw, 88px);
  border-bottom: 1px solid var(--line);
}

.page-about .ab-hero__col {
  max-width: 42ch;
}

.page-about .ab-hero__title {
  margin: 16px 0 0;
  font-size: clamp(2.6rem, 9vw, 5rem);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.02em;
}

.page-about .ab-hero__accent {
  color: var(--cyan);
  position: relative;
}

.page-about .ab-hero__accent::after {
  content: "";
  position: absolute;
  left: 0;
  right: -4px;
  bottom: 6px;
  height: 3px;
  background: var(--orange);
  opacity: 0.85;
}

.page-about .ab-hero__lede {
  margin-top: 22px;
  font-size: var(--fs-body);
  line-height: 1.75;
  color: var(--muted);
  max-width: 60ch;
}

.page-about .ab-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-about .ab-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--ab-cut)), calc(100% - var(--ab-cut)) 100%, 0 100%);
}

.page-about .ab-stat {
  background: var(--panel);
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-about .ab-stat__n {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  color: var(--cyan);
  line-height: 1;
}

.page-about .ab-stat__l {
  font-size: var(--fs-meta);
  color: var(--muted);
  line-height: 1.5;
}

/* ---------- origin ---------- */
.page-about .ab-origin {
  display: grid;
  gap: 40px;
  margin-top: 40px;
}

.page-about .ab-origin__lead p {
  margin: 0 0 16px;
  color: var(--muted);
  line-height: 1.75;
}

.page-about .ab-lines {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-about .ab-line {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.page-about .ab-line__no {
  font-size: var(--fs-meta);
  color: var(--orange);
  padding-top: 3px;
}

.page-about .ab-line__name {
  margin: 0 0 8px;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-about .ab-line__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- team ---------- */
.page-about .ab-team__media {
  margin: 32px 0 0;
}

.page-about .ab-teams {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .ab-team {
  background: var(--raise);
  padding: 26px 22px 28px;
  position: relative;
  transition: background 180ms var(--ease);
}

.page-about .ab-team::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 2px;
  height: 0;
  background: var(--cyan);
  transition: height 220ms var(--ease);
}

.page-about .ab-team--cyan::before { background: var(--cyan); }
.page-about .ab-team--orange::before { background: var(--orange); }

.page-about .ab-team:hover {
  background: var(--panel);
}

.page-about .ab-team:hover::before {
  height: 100%;
}

.page-about .ab-team__no {
  display: block;
  font-size: var(--fs-meta);
  color: var(--muted);
  letter-spacing: 0.12em;
}

.page-about .ab-team__name {
  margin: 14px 0 12px;
  font-size: 1.3rem;
  font-weight: 700;
}

.page-about .ab-team__text {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

.page-about .ab-team__out {
  margin: 0;
  font-size: var(--fs-meta);
  color: var(--cyan);
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.page-about .ab-team--orange .ab-team__out {
  color: var(--orange);
}

/* ---------- method ---------- */
.page-about .ab-metrics {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .ab-metric {
  background: var(--panel);
  padding: 16px 18px;
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-about .ab-metric__k {
  font-size: var(--fs-label);
  color: var(--cyan);
  letter-spacing: 0.1em;
}

.page-about .ab-metric__v {
  font-size: 15px;
  color: var(--text);
}

.page-about .ab-flow {
  list-style: none;
  margin: 42px 0 0;
  padding: 0;
  display: grid;
  gap: 34px;
}

.page-about .ab-flow__step {
  position: relative;
  padding-left: 52px;
}

.page-about .ab-flow__step::after {
  content: "";
  position: absolute;
  left: 17px;
  top: 36px;
  bottom: -34px;
  width: 1px;
  background: var(--line);
}

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

.page-about .ab-flow__node {
  position: absolute;
  left: 0;
  top: 0;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  font-size: var(--fs-meta);
  color: var(--cyan);
  border: 1px solid var(--cyan-soft);
  background: var(--ink);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%);
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-about .ab-flow__step:hover .ab-flow__node {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-about .ab-flow__title {
  margin: 4px 0 10px;
  font-size: 1.25rem;
  font-weight: 700;
}

.page-about .ab-flow__text {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

.page-about .ab-flow__out {
  display: inline-block;
  margin: 0;
  font-size: var(--fs-label);
  letter-spacing: 0.08em;
  color: var(--mint);
  border: 1px solid var(--mint-soft);
  padding: 6px 10px;
}

.page-about .ab-verdicts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 38px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.page-about .ab-verdicts .verdict {
  font-size: var(--fs-meta);
}

/* ---------- archive ---------- */
.page-about .ab-archive {
  display: grid;
  gap: 34px;
}

.page-about .ab-archive__note {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
  padding-left: 16px;
  border-left: 2px solid var(--cyan-soft);
}

.page-about .ab-archive__media {
  margin: 0;
}

.page-about .ab-track {
  display: flex;
  gap: 1px;
  margin-top: 40px;
  padding-bottom: 8px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  background: var(--line);
  border: 1px solid var(--line);
  -webkit-overflow-scrolling: touch;
}

.page-about .ab-track:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-about .ab-season {
  flex: 0 0 min(272px, 76vw);
  scroll-snap-align: start;
  background: var(--ink);
  padding: 24px 20px 26px;
  transition: background 180ms var(--ease);
}

.page-about .ab-season:hover {
  background: var(--panel);
}

.page-about .ab-season .tag {
  font-size: var(--fs-label);
}

.page-about .ab-season__name {
  margin: 16px 0 10px;
  font-size: 1.1rem;
  font-weight: 700;
}

.page-about .ab-season__text {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-about .ab-season__meta {
  margin: 0;
  font-size: var(--fs-label);
  letter-spacing: 0.08em;
  color: var(--muted);
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.page-about .ab-track__hint {
  margin: 12px 0 0;
  font-size: var(--fs-label);
  color: var(--muted);
  letter-spacing: 0.06em;
}

/* ---------- partners ---------- */
.page-about .ab-partners {
  display: grid;
  gap: 34px;
  margin-top: 36px;
}

.page-about .ab-partners__media {
  margin: 0;
  max-width: 420px;
}

.page-about .ab-partners__sub {
  margin: 0 0 14px;
  font-size: var(--fs-meta);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-about .ab-partners__sub + .ab-badges {
  margin-bottom: 28px;
}

.page-about .ab-badges {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.page-about .ab-badge {
  position: relative;
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 12px 14px;
  display: flex;
  align-items: baseline;
  gap: 10px;
  transition: border-color 180ms var(--ease), transform 180ms var(--ease);
}

.page-about .ab-badge:hover,
.page-about .ab-badge:focus-within {
  border-color: var(--orange-soft);
  transform: translateY(-3px);
}

.page-about .ab-badges--cyan .ab-badge:hover {
  border-color: var(--cyan-soft);
}

.page-about .ab-badge__id {
  font-size: var(--fs-label);
  color: var(--muted);
}

.page-about .ab-badge__name {
  font-size: 14px;
  color: var(--text);
}

.page-about .ab-badge__type {
  position: absolute;
  left: 14px;
  bottom: -1px;
  transform: translateY(100%);
  font-size: var(--fs-label);
  letter-spacing: 0.06em;
  color: var(--orange);
  background: var(--ink);
  border: 1px solid var(--orange-soft);
  padding: 3px 8px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms var(--ease), transform 180ms var(--ease);
  z-index: 3;
}

.page-about .ab-badges--cyan .ab-badge__type {
  color: var(--cyan);
  border-color: var(--cyan-soft);
}

.page-about .ab-badge:hover .ab-badge__type,
.page-about .ab-badge:focus-within .ab-badge__type {
  opacity: 1;
  transform: translateY(calc(100% + 2px));
}

.page-about .ab-partners__note {
  margin: 28px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

/* ---------- contact ---------- */
.page-about .ab-contact {
  display: grid;
  gap: 32px;
  margin-top: 36px;
}

.page-about .ab-contact__col p {
  margin: 0 0 16px;
  color: var(--muted);
  line-height: 1.75;
}

.page-about .ab-contact__list {
  margin: 0;
  border-top: 1px solid var(--line);
}

.page-about .ab-contact__row {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 14px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}

.page-about .ab-contact__row dt {
  font-size: var(--fs-meta);
  color: var(--muted);
  letter-spacing: 0.04em;
}

.page-about .ab-contact__row dd {
  margin: 0;
  font-size: 15px;
  color: var(--text);
  word-break: break-word;
}

.page-about .ab-contact__row dd.mono {
  color: var(--cyan);
}

.page-about .ab-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 44px;
  padding-top: 28px;
  border-top: 1px solid var(--magenta-soft);
}

.page-about .ab-cta__text {
  flex: 1 1 100%;
  margin: 0;
  font-size: 1.05rem;
  color: var(--text);
}

/* ---------- responsive ---------- */
@media (min-width: 700px) {
  .page-about .ab-hero {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: end;
  }

  .page-about .ab-hero__stats {
    align-self: stretch;
    align-content: end;
  }

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

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

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

  .page-about .ab-contact {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 48px;
  }
}

@media (min-width: 960px) {
  .page-about .ab-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
  }

  .page-about .ab-origin {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 56px;
    align-items: start;
  }

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

  .page-about .ab-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 30px;
    margin-top: 48px;
  }

  .page-about .ab-flow__step {
    padding: 58px 0 0;
  }

  .page-about .ab-flow__step::after {
    left: 44px;
    right: -30px;
    top: 17px;
    bottom: auto;
    width: auto;
    height: 1px;
  }

  .page-about .ab-archive {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: 56px;
    align-items: center;
  }

  .page-about .ab-partners {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 56px;
    align-items: start;
  }

  .page-about .ab-partners__media {
    max-width: none;
  }

  .page-about .ab-cta {
    flex-wrap: nowrap;
  }

  .page-about .ab-cta__text {
    flex: 1 1 auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}