.page-about {
  --about-line: rgba(201, 169, 97, 0.22);
  background: var(--color-ink);
}

.page-about .about-hero {
  position: relative;
  padding: 28px 0 44px;
  color: var(--color-cream);
  background:
    linear-gradient(rgba(242, 232, 213, 0.032) 1px, transparent 1px),
    linear-gradient(90deg, rgba(242, 232, 213, 0.032) 1px, transparent 1px),
    var(--color-ink);
  background-size: 36px 36px, 36px 36px, auto;
  border-bottom: 6px solid var(--color-umber);
  overflow: hidden;
}

.page-about .about-hero__grid {
  display: grid;
  gap: 36px;
  margin-top: 40px;
  padding: 24px 20px;
  border: 1px solid var(--about-line);
  box-shadow: var(--shadow-gold);
}

.page-about .about-hero__content {
  padding-left: 18px;
  border-left: 4px solid var(--color-red);
}

.page-about .about-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-family: var(--font-data);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.page-about .about-kicker::before {
  content: "";
  flex: none;
  width: 26px;
  height: 2px;
  background: var(--color-red);
}

.page-about .about-kicker--gold::before {
  background: var(--color-gold);
}

.page-about .about-hero__title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: 0.01em;
  color: var(--color-cream);
}

.page-about .about-hero__lede {
  margin: 18px 0 0;
  max-width: 66ch;
  color: var(--color-paper);
  line-height: 1.75;
}

.page-about .about-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin: 0;
  background: var(--color-umber);
  border: 2px solid var(--color-umber);
}

.page-about .about-hero__stat {
  padding: 16px 14px;
  background: rgba(26, 24, 21, 0.96);
}

.page-about .about-hero__stat-label {
  font-size: 0.78rem;
  color: var(--color-paper);
}

.page-about .about-hero__stat-num {
  margin-top: 4px;
  font-family: var(--font-data);
  font-size: 1.55rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-light-gold);
}

.page-about .about-origin {
  padding: 56px 0 64px;
  color: var(--color-ink);
  background:
    radial-gradient(rgba(107, 79, 58, 0.06) 1px, transparent 1.4px),
    var(--color-paper);
  background-size: 14px 14px, auto;
}

.page-about .about-origin__grid {
  display: grid;
  gap: 36px;
  align-items: center;
}

.page-about .about-figure {
  margin: 0;
}

.page-about .about-figure__frame {
  padding: 10px;
  background: var(--color-umber);
  border: 3px solid var(--color-brown);
  box-shadow: var(--shadow-hard);
}

.page-about .about-figure__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  filter: grayscale(0.72) sepia(0.16) contrast(1.04);
}

.page-about .about-figure__img--modern {
  filter: contrast(1.04) saturate(0.92);
}

.page-about .about-figure__caption {
  margin: 14px 0 0;
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--color-brown);
}

.page-about .about-origin__content h2,
.page-about .about-section-head h2,
.page-about .about-data__head h2,
.page-about .about-tech__content h2,
.page-about .about-team__content h2 {
  margin: 4px 0 18px;
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  line-height: 1.15;
  color: inherit;
}

.page-about .about-origin__content p {
  line-height: 1.8;
}

.page-about .about-origin__list {
  margin: 20px 0 26px;
  padding: 0;
  list-style: none;
}

.page-about .about-origin__list li {
  position: relative;
  padding: 8px 0 8px 28px;
  border-bottom: 1px solid rgba(107, 79, 58, 0.24);
  font-weight: 500;
}

.page-about .about-origin__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 16px;
  width: 10px;
  height: 10px;
  background: var(--color-gold);
  transform: rotate(45deg);
}

.page-about .about-milestones {
  padding: 56px 0 72px;
  color: var(--color-ink);
  background:
    radial-gradient(rgba(107, 79, 58, 0.06) 1px, transparent 1.4px),
    var(--color-paper);
  background-size: 14px 14px, auto;
  border-top: 6px solid var(--color-umber);
  border-bottom: 6px solid var(--color-umber);
}

.page-about .about-section-head {
  display: grid;
  gap: 14px;
  margin-bottom: 40px;
}

.page-about .about-section-head__note {
  font-size: 0.84rem;
  color: var(--color-brown);
}

.page-about .about-timeline {
  position: relative;
  padding-left: 44px;
}

.page-about .about-timeline__axis {
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  opacity: 0.72;
  background: linear-gradient(
    to bottom,
    var(--color-gold),
    var(--color-umber) 24%,
    var(--color-brown) 78%,
    var(--color-gold)
  );
}

.page-about .about-timeline__item,
.page-about .about-timeline__figure {
  position: relative;
  margin-bottom: 34px;
}

.page-about .about-timeline__item::before,
.page-about .about-timeline__figure::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 14px;
  width: 15px;
  height: 15px;
  border: 3px solid var(--color-gold);
  border-radius: 50%;
  background: var(--color-paper);
  box-shadow: 0 0 0 4px rgba(201, 169, 97, 0.18);
}

.page-about .about-timeline__item--now::before {
  border-color: var(--color-red);
  box-shadow: 0 0 0 4px rgba(179, 58, 58, 0.16);
}

.page-about .about-timeline__year {
  margin-bottom: 10px;
  font-family: var(--font-data);
  font-size: 1.7rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-brown);
}

.page-about .about-timeline__item--now .about-timeline__year {
  color: var(--color-red);
}

.page-about .about-milestone {
  padding: 24px 22px;
  color: var(--color-cream);
  background: var(--color-ink);
  border: 3px solid var(--color-umber);
  box-shadow: var(--shadow-gold);
}

.page-about .about-milestone__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-about .about-milestone__head h3 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 1.35rem;
  color: var(--color-light-gold);
}

.page-about .about-milestone__tag {
  padding: 3px 8px;
  border: 1px solid var(--color-gold);
  font-family: var(--font-data);
  font-size: 0.7rem;
  color: var(--color-gold);
}

.page-about .about-milestone > p {
  margin-top: 14px;
  color: var(--color-paper);
  line-height: 1.75;
}

.page-about .about-milestone__detail {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid rgba(242, 232, 213, 0.16);
}

.page-about .about-milestone__detail summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-data);
  font-size: 0.78rem;
  color: var(--color-gold);
}

.page-about .about-milestone__detail summary::-webkit-details-marker {
  display: none;
}

.page-about .about-milestone__detail summary::before {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border: 1px solid var(--color-gold);
  border-radius: 50%;
  line-height: 1;
  transition: transform 0.2s ease;
}

.page-about .about-milestone__detail[open] summary::before {
  transform: rotate(45deg);
}

.page-about .about-milestone__detail-body {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(242, 232, 213, 0.14);
  color: var(--color-paper);
  font-size: 0.92rem;
  line-height: 1.7;
}

.page-about .about-timeline__figure-index {
  margin: 0 0 10px;
  font-family: var(--font-data);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--color-brown);
}

.page-about .about-milestones__cta {
  margin-top: 36px;
  text-align: center;
}

.page-about .about-data {
  padding: 56px 0 64px;
  color: var(--color-cream);
  background: var(--color-ink);
}

.page-about .about-data__head p {
  line-height: 1.7;
}

.page-about .about-data__intro {
  max-width: 72ch;
}

.page-about .about-data__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 36px;
}

.page-about .about-data-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 130px;
  padding: 20px 18px;
  color: var(--color-ink);
  background: var(--color-paper);
  border: 3px solid var(--color-umber);
  box-shadow: var(--shadow-gold);
}

.page-about .about-data-card__num {
  font-family: var(--font-data);
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-red);
}

.page-about .about-data-card__label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-brown);
}

.page-about .about-data-card__hint {
  position: absolute;
  left: 8px;
  right: 8px;
  bottom: 8px;
  z-index: 2;
  padding: 8px 10px;
  color: var(--color-cream);
  background: var(--color-ink);
  border: 2px solid var(--color-gold);
  font-size: 0.76rem;
  line-height: 1.4;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  pointer-events: none;
}

.page-about .about-data-card:hover .about-data-card__hint,
.page-about .about-data-card:focus-within .about-data-card__hint {
  opacity: 1;
  transform: translateY(0);
}

.page-about .about-process {
  display: grid;
  gap: 14px;
  margin: 44px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-process__step {
  padding: 18px;
  background: rgba(242, 232, 213, 0.05);
  border: 2px solid var(--color-umber);
}

.page-about .about-process__step-index {
  font-family: var(--font-data);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-gold);
}

.page-about .about-process__step h3 {
  margin: 10px 0 6px;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  color: var(--color-paper);
}

.page-about .about-process__step p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--color-paper);
}

.page-about .about-tech {
  padding: 56px 0 64px;
  color: var(--color-ink);
  background: var(--color-paper);
  border-top: 6px solid var(--color-umber);
  border-bottom: 6px solid var(--color-umber);
}

.page-about .about-tech__grid {
  display: grid;
  gap: 32px;
  align-items: start;
}

.page-about .about-tech__list {
  margin: 22px 0 28px;
  padding: 0;
  list-style: none;
}

.page-about .about-tech__list li {
  position: relative;
  padding: 13px 0 13px 30px;
  border-bottom: 1px solid rgba(107, 79, 58, 0.28);
  line-height: 1.65;
}

.page-about .about-tech__list li:last-child {
  border-bottom: none;
}

.page-about .about-tech__list li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 21px;
  width: 10px;
  height: 10px;
  background: var(--color-gold);
  transform: rotate(45deg);
}

.page-about .about-tech__panel {
  position: relative;
  padding: 24px 22px;
  color: var(--color-cream);
  background: var(--color-ink);
  border: 4px solid var(--color-umber);
  box-shadow: var(--shadow-hard);
}

.page-about .about-tech__panel-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(242, 232, 213, 0.18);
}

.page-about .about-tech__panel-label {
  font-family: var(--font-data);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  color: var(--color-gold);
}

.page-about .about-tech__panel-code {
  font-family: var(--font-data);
  font-size: 0.8rem;
  color: var(--color-light-gold);
}

.page-about .about-tech__panel-text {
  margin: 16px 0;
  color: var(--color-paper);
  line-height: 1.75;
}

.page-about .about-tech__panel-meta {
  margin: 0;
  font-family: var(--font-data);
  font-size: 0.76rem;
  color: var(--color-brown);
}

.page-about .about-team {
  padding: 56px 0 72px;
  color: var(--color-cream);
  background: var(--color-ink);
}

.page-about .about-team__grid {
  display: grid;
  gap: 36px;
  align-items: center;
}

.page-about .about-team__content p {
  color: var(--color-paper);
  line-height: 1.75;
}

.page-about .about-team__principle {
  margin: 22px 0;
  padding: 18px 20px;
  background: rgba(201, 169, 97, 0.1);
  border-left: 4px solid var(--color-gold);
}

.page-about .about-team__principle-label {
  font-family: var(--font-data);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  color: var(--color-gold);
}

.page-about .about-team__principle p {
  margin: 10px 0 0;
  font-family: var(--font-heading);
  font-size: 1.12rem;
  line-height: 1.6;
  color: var(--color-light-gold);
}

@media (hover: none) {
  .page-about .about-data-card__hint {
    position: static;
    margin-top: 12px;
    padding: 0;
    color: var(--color-brown);
    background: transparent;
    border: 0;
    opacity: 1;
    transform: none;
  }
}

@media (min-width: 640px) {
  .page-about .about-hero__grid {
    grid-template-columns: 1.25fr 0.75fr;
  }

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

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

@media (min-width: 900px) {
  .page-about .about-hero {
    padding: 48px 0 64px;
  }

  .page-about .about-hero__grid {
    gap: 56px;
    padding: 36px 32px;
  }

  .page-about .about-origin__grid,
  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 56px;
  }

  .page-about .about-tech__grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: 48px;
  }

  .page-about .about-section-head {
    grid-template-columns: 1fr auto;
    align-items: end;
  }

  .page-about .about-timeline {
    padding-left: 0;
  }

  .page-about .about-timeline__item,
  .page-about .about-timeline__figure {
    display: grid;
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 40px;
    margin-bottom: 40px;
  }

  .page-about .about-timeline__axis {
    left: 132px;
  }

  .page-about .about-timeline__item::before,
  .page-about .about-timeline__figure::before {
    left: 125px;
    top: 18px;
  }

  .page-about .about-timeline__year {
    margin-bottom: 0;
    padding-top: 6px;
    text-align: right;
    font-size: 2rem;
  }

  .page-about .about-timeline__figure-index {
    margin: 0;
    padding-top: 20px;
    text-align: right;
  }

  .page-about .about-process {
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
  }
}