.page-about {
  --about-line: rgba(169, 181, 173, 0.24);
  --about-line-strong: rgba(169, 181, 173, 0.46);
  background: var(--ink);
  color: var(--chalk);
}

.page-about .about-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--about-line);
  background:
    radial-gradient(120% 90% at 80% 0%, rgba(14, 34, 51, 0.92), transparent 64%),
    var(--ink);
}

.page-about .about-hero__photo {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  opacity: 0.4;
  filter: saturate(0.85) contrast(1.05);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8, 11, 10, 0.32) 0%, rgba(8, 11, 10, 0.76) 56%, var(--ink) 100%);
  pointer-events: none;
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: min(76vh, 680px);
  padding-top: clamp(96px, 16vh, 170px);
  padding-bottom: clamp(32px, 6vw, 60px);
}

.page-about .about-hero .crumbs {
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-about .about-hero .eyebrow {
  margin: 0 0 14px;
  letter-spacing: 0.16em;
}

.page-about .about-hero h1 {
  margin: 0 0 18px;
  max-width: 17em;
  font-family: var(--font-serif);
  font-size: clamp(2rem, 6.2vw, 4.4rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: 0.01em;
}

.page-about .about-hero .lede {
  max-width: 40em;
  margin: 0;
  color: rgba(243, 246, 242, 0.84);
  font-size: clamp(0.98rem, 1.6vw, 1.1rem);
  line-height: 1.8;
}

.page-about .about-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
  gap: 1px;
  margin-top: clamp(26px, 4.5vw, 46px);
  border-top: 1px solid var(--about-line-strong);
  background: var(--about-line-strong);
}

.page-about .about-stats > div {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 16px 16px;
  background: rgba(8, 11, 10, 0.82);
  backdrop-filter: blur(3px);
}

.page-about .about-stats__value {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3.2vw, 2.15rem);
  font-weight: 600;
  line-height: 1;
  color: var(--lime);
}

.page-about .about-stats__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--silver);
}

.page-about .about-body {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  padding-top: clamp(36px, 6vw, 72px);
  padding-bottom: clamp(56px, 9vw, 104px);
}

.page-about .about-index__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--silver);
}

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

.page-about .about-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  white-space: nowrap;
  padding: 8px 11px;
  border: 1px solid transparent;
  color: var(--silver);
  font-size: 0.88rem;
  text-decoration: none;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease), background 0.16s var(--ease);
}

.page-about .about-index__link:hover,
.page-about .about-index__link:focus-visible {
  color: var(--chalk);
  border-color: var(--about-line-strong);
  background: rgba(27, 42, 34, 0.6);
}

.page-about .about-index__year {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--pitch);
}

.page-about .about-flow {
  display: flex;
  flex-direction: column;
  gap: clamp(30px, 5vw, 54px);
  min-width: 0;
}

.page-about .about-chapter {
  scroll-margin-top: 96px;
  min-width: 0;
}

.page-about .about-chapter + .about-chapter:not(.about-chapter--slab):not(.about-chapter--turf) {
  padding-top: clamp(26px, 4vw, 40px);
  border-top: 1px solid var(--about-line);
}

.page-about .about-chapter__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.page-about .about-chapter__num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-about .about-chapter h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3.2vw, 2.35rem);
  font-weight: 700;
  line-height: 1.22;
}

.page-about .about-flow p {
  max-width: 40em;
  margin: 0 0 1.05em;
  color: rgba(243, 246, 242, 0.82);
  line-height: 1.8;
}

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

.page-about .about-inline-link {
  color: var(--pitch);
  text-decoration: none;
  border-bottom: 1px solid rgba(24, 224, 122, 0.5);
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-about .about-inline-link:hover,
.page-about .about-inline-link:focus-visible {
  color: var(--lime);
  border-color: var(--lime);
}

.page-about .about-chapter--slab {
  padding: clamp(24px, 4vw, 44px);
  border: 2px solid var(--about-line-strong);
  box-shadow: 10px 10px 0 rgba(24, 224, 122, 0.12);
  background: linear-gradient(160deg, rgba(14, 34, 51, 0.94), rgba(8, 11, 10, 0.94));
}

.page-about .about-chapter--turf {
  padding: clamp(24px, 4vw, 44px);
  border: 2px solid var(--about-line-strong);
  box-shadow: 8px 8px 0 rgba(255, 107, 44, 0.14);
  background: var(--turf);
}

.page-about .about-split {
  display: grid;
  gap: clamp(20px, 4vw, 32px);
  align-items: start;
}

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

.page-about .about-media {
  margin: 0;
  min-width: 0;
}

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

.page-about .about-quote {
  margin: clamp(22px, 4vw, 34px) 0;
  padding: 20px 24px;
  border-left: 4px solid var(--pitch);
  background: rgba(27, 42, 34, 0.55);
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 2.4vw, 1.45rem);
  line-height: 1.6;
  color: var(--chalk);
  transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.page-about .about-quote:hover {
  transform: translateX(3px);
  box-shadow: -4px 4px 0 rgba(24, 224, 122, 0.18);
}

.page-about .about-versions {
  display: grid;
  gap: 16px;
  margin: clamp(22px, 4vw, 32px) 0;
}

.page-about .about-version {
  padding: clamp(18px, 3vw, 26px);
  border: 2px solid var(--about-line-strong);
  background: rgba(8, 11, 10, 0.55);
  transition: border-color 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-about .about-version:hover {
  border-color: rgba(196, 255, 74, 0.55);
  transform: translateY(-3px);
}

.page-about .about-version__title {
  margin: 14px 0 8px;
  font-family: var(--font-serif);
  font-size: 1.08rem;
  line-height: 1.4;
  color: var(--chalk);
}

.page-about .about-version__text {
  margin: 0 0 16px;
  max-width: none;
  font-size: 0.92rem;
  line-height: 1.75;
  color: rgba(243, 246, 242, 0.76);
}

.page-about .about-version__track {
  display: block;
  height: 8px;
  margin-bottom: 10px;
  background: rgba(169, 181, 173, 0.18);
}

.page-about .about-version__fill {
  display: block;
  height: 100%;
  background: var(--lime);
}

.page-about .about-version__fill--full {
  width: 100%;
}

.page-about .about-version__fill--short {
  width: 62%;
  background: var(--pitch);
}

.page-about .about-version__meta {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--silver);
}

.page-about .about-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  max-width: none;
  margin-top: clamp(18px, 3vw, 26px);
}

.page-about .about-chapter--timeline .about-timeline {
  list-style: none;
  display: flex;
  gap: 0;
  margin: clamp(20px, 4vw, 32px) 0 0;
  padding: 26px 0 10px;
  border-top: 2px solid var(--about-line-strong);
  overflow-x: auto;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
}

.page-about .about-timeline__item {
  position: relative;
  flex: 0 0 auto;
  width: clamp(196px, 62vw, 236px);
  padding-right: 20px;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  top: -32px;
  left: 0;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--pitch);
  transition: background 0.16s var(--ease), transform 0.16s var(--ease), box-shadow 0.16s var(--ease);
}

.page-about .about-timeline__item--version::before {
  border-color: var(--orange);
}

.page-about .about-timeline__item:hover::before,
.page-about .about-timeline__item:focus-visible::before {
  background: var(--pitch);
  transform: scale(1.25);
  box-shadow: 0 0 0 4px rgba(24, 224, 122, 0.18);
}

.page-about .about-timeline__item:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 6px;
}

.page-about .about-timeline__year {
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 2.8vw, 1.85rem);
  font-weight: 600;
  line-height: 1;
  color: var(--lime);
}

.page-about .about-timeline__item--version .about-timeline__year {
  color: var(--orange);
}

.page-about .about-timeline__title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--chalk);
}

.page-about .about-timeline__text {
  font-size: 0.85rem;
  line-height: 1.7;
  color: rgba(243, 246, 242, 0.7);
}

.page-about .about-foot {
  margin-top: clamp(24px, 4vw, 34px);
}

@media (min-width: 760px) {
  .page-about .about-split {
    grid-template-columns: 1.05fr 0.95fr;
  }

  .page-about .about-split--media-first {
    grid-template-columns: 0.95fr 1.05fr;
  }

  .page-about .about-versions {
    grid-template-columns: 1fr 1fr;
    gap: 0;
    border: 2px solid var(--about-line-strong);
  }

  .page-about .about-version {
    border: 0;
  }

  .page-about .about-version + .about-version {
    border-left: 2px solid var(--about-line-strong);
  }

  .page-about .about-version:hover {
    transform: none;
    background: rgba(24, 224, 122, 0.06);
  }
}

@media (min-width: 1000px) {
  .page-about .about-body {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: clamp(40px, 5vw, 80px);
    align-items: start;
  }

  .page-about .about-index {
    position: sticky;
    top: 104px;
    padding-left: 18px;
    border-left: 2px solid var(--pitch);
  }

  .page-about .about-index__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-about .about-index__link {
    display: flex;
    padding: 7px 10px;
  }

  .page-about .about-timeline {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    overflow: visible;
  }

  .page-about .about-timeline__item {
    width: auto;
    padding-right: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-quote,
  .page-about .about-version,
  .page-about .about-timeline__item::before {
    transition: none;
  }

  .page-about .about-quote:hover,
  .page-about .about-version:hover {
    transform: none;
  }
}