.page-about {
  --about-rail-w: 180px;
  --about-measure: 62ch;
  background: var(--ink);
  color: var(--text);
}

.page-about .about-crumbs {
  padding-top: clamp(16px, 3vw, 28px);
}

.page-about .breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}

.page-about .breadcrumbs__link {
  color: var(--muted);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-about .breadcrumbs__link:hover,
.page-about .breadcrumbs__link:focus-visible {
  color: var(--cyan);
}

.page-about .breadcrumbs__sep {
  color: var(--line);
}

.page-about .breadcrumbs__now {
  color: var(--silver);
}

.page-about .about-hero {
  padding: clamp(30px, 5vw, 72px) 0 clamp(30px, 5vw, 56px);
  border-bottom: 1px solid var(--hairline-strong);
}

.page-about .about-hero__title {
  margin: 16px 0 0;
  max-width: 18ch;
  color: var(--text);
}

.page-about .about-hero__lede {
  margin: 22px 0 0;
  max-width: 54ch;
  font-size: 17px;
  line-height: 1.78;
  color: var(--silver);
}

.page-about .about-figures {
  list-style: none;
  margin: clamp(28px, 4vw, 46px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--hairline-strong);
}

.page-about .about-figures__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 16px 18px 0;
  border-bottom: 1px solid var(--hairline);
}

.page-about .about-figures__num {
  font-family: var(--font-mono);
  font-size: clamp(24px, 3.2vw, 34px);
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-about .about-figures__label {
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
}

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

.page-about .about-rail {
  display: none;
}

.page-about .about-flow {
  padding: clamp(8px, 2vw, 16px) 0 clamp(44px, 7vw, 96px);
  min-width: 0;
}

.page-about .about-chapter {
  padding: clamp(34px, 5vw, 60px) 0;
  border-bottom: 1px solid var(--hairline);
  scroll-margin-top: 90px;
  min-width: 0;
}

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

.page-about .about-chapter__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 22px;
}

.page-about .about-chapter__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(21px, 2.6vw, 28px);
  line-height: 1.42;
  color: var(--text);
  max-width: 24ch;
}

.page-about .about-anchor {
  flex: none;
  width: 26px;
  height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--hairline-strong);
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-about .about-anchor:hover,
.page-about .about-anchor:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-about .about-anchor:active {
  transform: translateY(1px);
}

.page-about .about-flow p {
  margin: 0 0 18px;
  max-width: var(--about-measure);
  font-size: 16px;
  line-height: 1.78;
  color: var(--text);
}

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

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

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

.page-about .about-paper {
  margin: clamp(24px, 4vw, 36px) 0;
  padding: clamp(24px, 4vw, 40px) clamp(22px, 4vw, 40px);
  background: var(--cream);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-about .about-flow .about-paper p {
  margin: 0;
  max-width: var(--about-measure);
  font-family: var(--font-serif);
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.72;
  color: var(--paper-ink);
}

.page-about .about-figure {
  margin: clamp(24px, 4vw, 36px) 0;
  padding: 0;
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--hairline);
}

.page-about .about-figure__cap {
  margin: 12px 0 0;
  max-width: var(--about-measure);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.65;
  color: var(--muted);
}

.page-about .about-milestone {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: 26px 0;
  border-top: 1px solid var(--hairline);
  scroll-margin-top: 90px;
}

.page-about .about-milestone__year {
  justify-self: start;
  align-self: start;
  margin: 0;
  padding: 3px 9px;
  font-size: 15px;
  line-height: 1.4;
  color: var(--paper-ink);
  background: var(--cream);
}

.page-about .about-milestone__body h3 {
  margin: 0 0 8px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-about .about-milestone__body p {
  margin: 0;
  max-width: var(--about-measure);
  font-size: 15px;
  line-height: 1.75;
  color: var(--silver);
}

.page-about .about-scene {
  padding: 20px 0 20px 18px;
  border-left: 2px solid var(--ink-2);
  transition: border-color var(--dur) var(--ease);
}

.page-about .about-scene:hover {
  border-left-color: var(--cyan);
}

.page-about .about-scene + .about-scene {
  margin-top: 6px;
}

.page-about .about-scene__title {
  margin: 0 0 8px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-about .about-chapter--promise {
  background: var(--ink-2);
  padding-left: clamp(18px, 3vw, 32px);
  padding-right: clamp(18px, 3vw, 32px);
  border-bottom: 0;
}

.page-about .about-cadence {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
}

.page-about .about-cadence li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--hairline);
}

.page-about .about-cadence__k {
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.5;
  color: var(--cyan-soft);
}

.page-about .about-cadence__v {
  font-size: 15px;
  line-height: 1.68;
  color: var(--silver);
  max-width: var(--about-measure);
}

.page-about .about-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

@media (min-width: 620px) {
  .page-about .about-figures {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-milestone {
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 26px;
  }

  .page-about .about-cadence li {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }
}

@media (min-width: 1000px) {
  .page-about .about-canvas {
    grid-template-columns: var(--about-rail-w) minmax(0, 1fr);
    column-gap: clamp(32px, 5vw, 76px);
  }

  .page-about .about-rail {
    display: block;
    position: sticky;
    top: 76px;
    align-self: start;
    padding: 52px 20px 52px 0;
    border-right: 1px solid var(--hairline);
  }

  .page-about .about-flow {
    padding-top: 0;
  }
}

.page-about .about-rail__group + .about-rail__group {
  margin-top: 30px;
}

.page-about .about-rail__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-about .about-rail__years {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .about-rail__link {
  display: block;
  padding: 7px 0 7px 14px;
  border-left: 2px solid transparent;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1.4;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

.page-about .about-rail__shortcuts {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .about-rail__shortcuts a {
  display: block;
  padding: 9px 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--silver);
  text-decoration: none;
  border-bottom: 1px solid var(--hairline);
  transition: color var(--dur) var(--ease);
}

.page-about .about-rail__shortcuts a:hover,
.page-about .about-rail__shortcuts a:focus-visible {
  color: var(--cyan);
}