.page-about {
  --about-index-w: 148px;
  --about-sec-gap: 40px;
  color: var(--ay-chalk);
}

.page-about .ay-page {
  display: block;
}

/* ===== HERO ===== */
.page-about .about-hero {
  position: relative;
  padding: 28px 0 40px;
  border-bottom: 1px solid var(--ay-line);
}

.page-about .about-hero__meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 22px;
  color: var(--ay-slate);
}

.page-about .about-hero__title {
  margin: 0 0 20px;
  font-family: var(--ay-sans);
  font-weight: 900;
  font-size: clamp(32px, 7.2vw, 58px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--ay-chalk);
}

.page-about .about-hero__lede {
  max-width: 40ch;
  margin: 0 0 32px;
}

.page-about .about-hero__facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(96px, 1fr));
  gap: 14px;
  list-style: none;
  padding: 22px 0 0;
  margin: 0;
  border-top: 1px solid var(--ay-line);
}

.page-about .about-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  color: var(--ay-slate);
  line-height: 1.5;
}

.page-about .about-hero__facts .ay-num {
  font-family: var(--ay-mono);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ay-cyan);
  line-height: 1;
}

/* ===== BODY GRID: index + content ===== */
.page-about .about-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding: 36px 0;
}

.page-about .about-index {
  align-self: start;
}

.page-about .about-index__label {
  color: var(--ay-slate);
  margin-bottom: 12px;
  display: block;
}

.page-about .about-index__list {
  display: flex;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0 0 12px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  border-bottom: 1px solid var(--ay-line-soft);
}

.page-about .about-index__list::-webkit-scrollbar {
  width: 0;
  height: 0;
}

.page-about .about-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  padding: 8px 14px;
  border-radius: var(--ay-r-pill);
  border: 1px solid var(--ay-line);
  background: rgba(12, 58, 49, 0.6);
  color: var(--ay-slate);
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.18s var(--ay-ease), border-color 0.18s var(--ay-ease), background 0.18s var(--ay-ease);
}

.page-about .about-index__link .ay-num {
  font-family: var(--ay-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ay-cyan);
}

.page-about .about-index__link:hover,
.page-about .about-index__link:focus-visible {
  color: var(--ay-chalk);
  border-color: var(--ay-cyan);
  outline: none;
}

/* ===== SECTIONS ===== */
.page-about .about-sec {
  padding-bottom: 40px;
  margin-bottom: 40px;
  border-bottom: 1px solid var(--ay-line-soft);
  scroll-margin-top: calc(var(--ay-topbar-h) + 24px);
}

.page-about .about-sec:last-of-type {
  border-bottom: none;
  margin-bottom: 0;
}

.page-about .about-sec__head {
  margin-bottom: 24px;
}

.page-about .about-sec__head .ay-eyebrow {
  display: block;
  margin-bottom: 10px;
  color: var(--ay-cyan);
}

.page-about .about-sec__title {
  margin: 0;
  font-family: var(--ay-sans);
  font-weight: 800;
  font-size: clamp(25px, 4.6vw, 38px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--ay-chalk);
}

.page-about .about-sec__body p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ay-chalk);
  max-width: 42ch;
}

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

.page-about .about-sec__body--split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-about .about-media {
  margin: 0;
  border-radius: var(--ay-r-lg);
  overflow: hidden;
}

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

/* ===== TEAM BARS ===== */
.page-about .about-team-bars {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 30px;
}

.page-about .about-bar {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 18px 20px;
  border-radius: var(--ay-r-md);
  background: rgba(12, 58, 49, 0.7);
  border: 1px solid var(--ay-line);
  border-top-width: 2px;
}

.page-about .about-bar--data {
  border-top-color: var(--ay-cyan);
}

.page-about .about-bar--fore {
  border-top-color: var(--ay-mist);
}

.page-about .about-bar--visual {
  border-top-color: var(--ay-slate);
}

.page-about .about-bar__label {
  font-size: 15px;
  color: var(--ay-chalk);
  letter-spacing: 0.02em;
}

.page-about .about-bar__value {
  font-family: var(--ay-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--ay-cyan);
  white-space: nowrap;
}

.page-about .about-bar--fore .about-bar__value {
  color: var(--ay-chalk);
}

.page-about .about-bar--visual .about-bar__value {
  color: var(--ay-slate);
}

/* ===== EXPAND ===== */
.page-about .about-expand {
  margin-top: 20px;
}

.page-about .about-expand__sign {
  font-family: var(--ay-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--ay-cyan);
}

/* ===== FLOW ===== */
.page-about .about-flow {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: start;
}

.page-about .about-flow__steps {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--ay-line);
}

.page-about .about-flow__step {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 14px;
  padding: 20px 0;
  border-bottom: 1px solid var(--ay-line-soft);
}

.page-about .about-flow__no {
  font-family: var(--ay-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ay-cyan);
  padding-top: 5px;
}

.page-about .about-flow__h {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 700;
  color: var(--ay-chalk);
}

.page-about .about-flow__step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ay-slate);
  max-width: 42ch;
}

.page-about .about-media--flow {
  border-radius: var(--ay-r-lg);
}

/* ===== VERSION TIMELINE ===== */
.page-about .about-version__lede {
  margin: 0 0 28px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ay-slate);
  max-width: 54ch;
}

.page-about .about-timeline {
  position: relative;
  padding: 40px 0;
  border-radius: var(--ay-r-lg);
  overflow: hidden;
  margin-bottom: 30px;
  background: linear-gradient(120deg, rgba(14, 143, 130, 0.14), rgba(255, 138, 61, 0.08));
}

.page-about .about-timeline__bg {
  position: absolute;
  inset: 0;
  margin: 0;
  border-radius: 0;
  opacity: 0.26;
  z-index: 0;
}

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

.page-about .about-timeline__list {
  position: relative;
  z-index: 1;
  list-style: none;
  margin: 0;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.page-about .about-timeline__list::before {
  content: "";
  position: absolute;
  left: 44px;
  right: 44px;
  top: 50%;
  height: 1px;
  background: linear-gradient(90deg, var(--ay-cyan), rgba(53, 240, 208, 0.35) 68%, var(--ay-orange));
}

.page-about .about-timeline__dot {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--ay-ink);
  border: 2px solid var(--ay-cyan);
  color: var(--ay-cyan);
  font-family: var(--ay-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: transform 0.22s var(--ay-ease), box-shadow 0.22s var(--ay-ease);
}

.page-about .about-timeline__dot .ay-num {
  font-family: var(--ay-mono);
}

.page-about .about-timeline__dot:hover,
.page-about .about-timeline__dot:focus-visible {
  transform: scale(1.08);
  box-shadow: 0 0 0 7px rgba(53, 240, 208, 0.14);
  outline: none;
}

.page-about .about-timeline__item--v4 .about-timeline__dot {
  border-color: var(--ay-orange);
  color: var(--ay-orange);
  box-shadow: 0 0 0 4px rgba(255, 138, 61, 0.16);
}

.page-about .about-timeline__item--v4 .about-timeline__dot:hover,
.page-about .about-timeline__item--v4 .about-timeline__dot:focus-visible {
  box-shadow: 0 0 0 10px rgba(255, 138, 61, 0.2);
}

/* ===== VERSION LIST ===== */
.page-about .about-version-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-about .about-version {
  padding: 22px 20px;
  border-radius: var(--ay-r-md);
  background: rgba(12, 58, 49, 0.66);
  border: 1px solid var(--ay-line);
  border-top: 2px solid var(--ay-cyan);
  scroll-margin-top: calc(var(--ay-topbar-h) + 24px);
}

.page-about .about-version--v4 {
  border-top-color: var(--ay-orange);
  box-shadow: 0 0 0 1px rgba(255, 138, 61, 0.18);
}

.page-about .about-version .ay-eyebrow {
  display: block;
  margin-bottom: 10px;
  color: var(--ay-cyan);
}

.page-about .about-version--v4 .ay-eyebrow {
  color: var(--ay-orange);
}

.page-about .about-version h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ay-chalk);
}

.page-about .about-version p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ay-slate);
}

.page-about .about-version a {
  color: var(--ay-orange);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ===== STANDARD PANEL (paper) ===== */
.page-about .about-panel {
  background: var(--ay-paper);
  color: var(--ay-ink);
  border-radius: var(--ay-r-lg);
  border: none;
  padding: 30px 22px;
}

.page-about .about-panel__lead {
  margin: 0 0 24px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ay-ink-700);
  max-width: 40ch;
}

.page-about .about-panel__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 22px;
}

.page-about .about-panel__list li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  padding-top: 22px;
  border-top: 1px solid rgba(6, 32, 27, 0.14);
}

.page-about .about-panel__list li:first-child {
  padding-top: 0;
  border-top: none;
}

.page-about .about-panel__no {
  font-family: var(--ay-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ay-ember);
  padding-top: 4px;
}

.page-about .about-panel h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ay-ink);
}

.page-about .about-panel p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: #2E4A43;
  max-width: 44ch;
}

/* ===== LINKS ROW ===== */
.page-about .about-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* ===== TRUST BAND ===== */
.page-about .about-trust {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  align-items: center;
  padding: 30px 0 8px;
  margin-top: 20px;
  border-top: 1px solid var(--ay-line);
}

.page-about .about-trust p {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ay-chalk);
  max-width: 62ch;
}

.page-about .about-trust__link {
  font-weight: 600;
  color: var(--ay-orange);
  text-decoration: none;
  white-space: nowrap;
  justify-self: start;
}

.page-about .about-trust__link:hover,
.page-about .about-trust__link:focus-visible {
  text-decoration: underline;
  text-underline-offset: 4px;
  outline: none;
}

/* ===== MEDIA QUERIES ===== */
@media (min-width: 720px) {
  .page-about .about-hero {
    padding: 44px 0 52px;
  }

  .page-about .about-sec__body--split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 40px;
  }

  .page-about .about-flow {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
    gap: 44px;
  }

  .page-about .about-team-bars {
    grid-template-columns: 32fr 39fr 29fr;
    gap: 12px;
  }

  .page-about .about-version-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-about .about-panel {
    padding: 44px 40px;
  }

  .page-about .about-trust {
    grid-template-columns: 1fr auto;
    gap: 32px;
    padding: 38px 0 12px;
  }

  .page-about .about-trust__link {
    justify-self: end;
  }
}

@media (min-width: 900px) {
  .page-about .about-body {
    grid-template-columns: var(--about-index-w) minmax(0, 1fr);
    gap: 60px;
    padding: 56px 0 64px;
  }

  .page-about .about-index {
    position: sticky;
    top: calc(var(--ay-topbar-h) + 20px);
    padding-top: 4px;
  }

  .page-about .about-index__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
    border-bottom: none;
    border-left: 1px solid var(--ay-line);
  }

  .page-about .about-index__link {
    width: 100%;
    border: none;
    border-left: 2px solid transparent;
    border-radius: 0;
    background: transparent;
    padding: 12px 0 12px 16px;
    margin-left: -1px;
    font-size: 14px;
  }

  .page-about .about-index__link:hover,
  .page-about .about-index__link:focus-visible {
    border-left-color: var(--ay-cyan);
    color: var(--ay-chalk);
  }

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

  .page-about .about-sec__body p {
    font-size: 17px;
  }
}
</main>