.page-about {
  --about-hair: var(--line);
  --about-panel: var(--ink-1);
  color: var(--body-text);
}

.page-about *,
.page-about *::before,
.page-about *::after {
  box-sizing: border-box;
}

.page-about .section {
  padding-block: 56px;
}

.page-about .about-hero {
  position: relative;
  padding-block: 36px 52px;
  border-bottom: 1px solid var(--line);
  background-image: var(--grid-lines);
  overflow: hidden;
}

.page-about .about-crumbs__sep {
  margin: 0 8px;
  color: var(--line);
}

.page-about .about-hero .crumbs {
  margin-bottom: 20px;
}

.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
}

.page-about .about-hero h1 {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 6.4vw, 3.35rem);
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--text);
  max-width: 20ch;
}

.page-about .about-hero .lede {
  margin: 18px 0 0;
  max-width: 60ch;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--body-text);
}

.page-about .about-hero__figures {
  list-style: none;
  margin: 28px 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 .about-hero__figures li {
  background: var(--ink-0);
  padding: 14px 15px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.page-about .about-fig__num {
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
  font-family: var(--font-mono);
  font-size: 1.45rem;
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

.page-about .about-fig__unit {
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--muted);
}

.page-about .about-fig__label {
  font-size: 0.74rem;
  line-height: 1.5;
  color: var(--muted);
}

.page-about .about-hero__actions {
  margin: 28px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .about-hero__visual {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-1);
}

.page-about .about-hero__visual::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 48px;
  height: 3px;
  background: var(--red);
}

.page-about .about-hero__visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.06);
}

.page-about .about-hero__caption {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  line-height: 1.6;
  color: var(--muted);
}

.page-about .about-hero__dot {
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  background: var(--green);
}

.page-about .about-sechead {
  max-width: 66ch;
  margin-bottom: 34px;
}

.page-about .about-sechead h2,
.page-about .about-timeline h2,
.page-about .about-team-banner h2,
.page-about .about-collab h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 4.6vw, 2.35rem);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-about .about-sechead .lede,
.page-about .about-timeline .lede,
.page-about .about-team-banner .lede,
.page-about .about-collab .lede {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 0.96rem;
  line-height: 1.8;
  color: var(--body-text);
}

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

.page-about .about-fields {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .about-field {
  background: var(--ink-1);
  padding: 18px 18px 20px;
  border-left: 2px solid transparent;
  transition: background 160ms ease, border-color 160ms ease;
  min-width: 0;
}

.page-about .about-field:hover {
  background: var(--ink-2);
  border-left-color: var(--cyan);
}

.page-about .about-field__scope {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  color: var(--muted);
  border: 1px solid var(--line);
  padding: 2px 7px;
}

.page-about .about-field__name {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-about .about-field__desc {
  margin: 8px 0 0;
  font-size: 0.86rem;
  line-height: 1.72;
  color: var(--muted);
}

.page-about .about-library__art {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-1);
}

.page-about .about-library__art img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 7;
  object-fit: cover;
  filter: saturate(0.8);
}

.page-about .about-library__art figcaption {
  padding: 12px 14px;
  border-top: 1px solid var(--line);
  font-size: 0.78rem;
  line-height: 1.65;
  color: var(--muted);
}

.page-about .about-timeline {
  border-top: 1px solid var(--line);
  background-image: var(--grid-lines);
}

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

.page-about .about-timeline__art img {
  display: block;
  width: 100%;
  max-width: 240px;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border: 1px solid var(--line);
  opacity: 0.92;
}

.page-about .about-years {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 30px 0 0;
}

.page-about .about-years a {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-decoration: none;
  color: var(--muted);
  background: var(--ink-1);
  border: 1px solid var(--line);
  padding: 8px 16px;
  transition: color 140ms ease, background 140ms ease, border-color 140ms ease;
}

.page-about .about-years a:hover,
.page-about .about-years a:focus-visible {
  color: var(--ink-0);
  background: var(--cyan);
  border-color: var(--cyan);
  outline: none;
}

.page-about .about-tl {
  position: relative;
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
}

.page-about .about-tl::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(180deg, var(--violet), var(--cyan) 55%, var(--line));
}

.page-about .about-tl__item {
  position: relative;
  padding-left: 34px;
  padding-bottom: 26px;
}

.page-about .about-tl__item:last-child {
  padding-bottom: 0;
}

.page-about .about-tl__item::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 5px;
  width: 11px;
  height: 11px;
  background: var(--ink-0);
  border: 1px solid var(--cyan);
}

.page-about .about-tl__item::after {
  content: "";
  position: absolute;
  left: 12px;
  top: 10px;
  width: 14px;
  height: 1px;
  background: var(--line);
}

.page-about .about-tl__item--current::before {
  background: var(--red);
  border-color: var(--red);
}

.page-about .about-tl__year {
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-about .about-tl__card {
  background: var(--ink-1);
  border: 1px solid var(--line);
  border-top: 3px solid var(--violet);
  padding: 16px 18px 18px;
}

.page-about .about-tl__item--current .about-tl__card {
  border-top-color: var(--red);
}

.page-about .about-tl__card h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.55;
  color: var(--text);
}

.page-about .about-tl__card p {
  margin: 8px 0 0;
  font-size: 0.86rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-about .about-team-banner {
  position: relative;
  margin-block: 56px;
  padding-block: 52px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 130% at 8% 0%, rgba(92, 75, 224, 0.34), transparent 62%),
    radial-gradient(90% 110% at 92% 100%, rgba(35, 224, 214, 0.16), transparent 60%),
    var(--ink-1);
  overflow: hidden;
}

.page-about .about-team {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-about .about-team__item {
  --w: 100%;
  --team-accent: var(--cyan);
  min-width: 0;
  background: rgba(11, 14, 19, 0.72);
  border: 1px solid var(--line);
  padding: 16px 18px 18px;
}

.page-about .about-team__item--eng {
  --w: 34.62%;
  --team-accent: var(--cyan);
}

.page-about .about-team__item--edit {
  --w: 26.92%;
  --team-accent: var(--red);
}

.page-about .about-team__item--design {
  --w: 23.08%;
  --team-accent: var(--violet);
}

.page-about .about-team__item--ops {
  --w: 15.38%;
  --team-accent: var(--green);
}

.page-about .about-team__bar {
  display: block;
  width: var(--w);
  height: 5px;
  margin-bottom: 14px;
  background: var(--team-accent);
}

.page-about .about-team__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.7rem;
  font-weight: 700;
  line-height: 1;
  color: var(--text);
}

.page-about .about-team__name {
  display: block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--team-accent);
}

.page-about .about-team__desc {
  margin: 10px 0 0;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--muted);
}

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

.page-about .about-flow__step {
  background: var(--ink-0);
  padding: 20px 18px 22px;
  min-width: 0;
}

.page-about .about-flow__idx {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--ink-0);
  background: var(--cyan);
  padding: 2px 7px;
}

.page-about .about-flow__step h3 {
  margin: 12px 0 0;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
}

.page-about .about-flow__step p {
  margin: 8px 0 0;
  font-size: 0.86rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-about .about-sources__note {
  margin: 26px 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--yellow);
  max-width: 68ch;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--body-text);
}

.page-about .about-sources__note a {
  color: var(--cyan);
}

.page-about .about-collab__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.page-about .about-collab__list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-about .about-collab__list li {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.page-about .about-collab__k {
  flex: 0 0 84px;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-about .about-collab__v {
  flex: 1 1 190px;
  min-width: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--text);
}

.page-about .about-collab__actions {
  margin: 26px 0 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

.page-about .about-collab__aside {
  background: var(--ink-1);
  border: 1px solid var(--line);
  border-left: 3px solid var(--red);
  padding: 22px 20px 24px;
}

.page-about .about-collab__aside-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--red);
}

.page-about .about-collab__aside-text {
  margin: 10px 0 18px;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--muted);
}

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

@media (min-width: 700px) {
  .page-about .about-fields {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .about-field:last-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 760px) {
  .page-about .section {
    padding-block: 76px;
  }

  .page-about .about-tl__item {
    display: grid;
    grid-template-columns: 92px minmax(0, 1fr);
    column-gap: 26px;
    padding-left: 34px;
    padding-bottom: 32px;
  }

  .page-about .about-tl__year {
    margin: 12px 0 0;
    font-size: 1rem;
    text-align: right;
  }

  .page-about .about-tl__item::before {
    top: 13px;
  }

  .page-about .about-tl__item::after {
    top: 18px;
    width: 16px;
  }

  .page-about .about-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-about .about-timeline__head {
    grid-template-columns: minmax(0, 1fr) 240px;
    gap: 40px;
    align-items: start;
  }

  .page-about .about-timeline__art img {
    max-width: none;
  }

  .page-about .about-team {
    flex-direction: row;
    gap: 0;
    border: 1px solid var(--line);
  }

  .page-about .about-team__item {
    flex: 0 0 auto;
    width: var(--w);
    border: 0;
    border-left: 1px solid var(--line);
    padding: 20px 18px 22px;
  }

  .page-about .about-team__item:first-child {
    border-left: 0;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero {
    padding-block: 48px 68px;
  }

  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    gap: 48px;
    align-items: start;
  }

  .page-about .about-library__body {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 40px;
    align-items: start;
  }

  .page-about .about-team-banner {
    margin-block: 96px;
    padding-block: 76px;
  }

  .page-about .about-collab__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-years a,
  .page-about .about-field {
    transition: none;
  }
}