.page-about {
  --about-rail-w: 196px;
  --about-space: clamp(2.4rem, 6vw, 4.2rem);
  background-color: var(--paper);
  background-image: repeating-linear-gradient(
    180deg,
    rgba(21, 33, 42, 0.035) 0 1px,
    transparent 1px 32px
  );
  color: var(--ink);
  font-family: var(--font-body);
  padding-bottom: clamp(3rem, 8vw, 6rem);
}

.page-about .about-top {
  padding-top: clamp(0.9rem, 2.4vw, 1.4rem);
}

.page-about .crumbs {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.05em;
}

/* ---------- Hero ---------- */
.page-about .about-hero {
  padding: clamp(1.6rem, 5vw, 3rem) 0 clamp(2rem, 5vw, 3.4rem);
  border-bottom: 1.5px solid var(--ink-30);
}

.page-about .about-hero__inner {
  display: grid;
  gap: clamp(1.8rem, 4vw, 2.8rem);
  align-items: end;
}

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

.page-about .about-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.4rem, 9vw, 5.2rem);
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin: 0.7rem 0 0;
  text-wrap: balance;
}

.page-about .about-hero h1 em {
  font-style: normal;
  color: var(--ochre);
}

.page-about .about-hero__lead {
  margin: 1.2rem 0 0;
  max-width: 54ch;
  font-size: clamp(0.98rem, 1.6vw, 1.12rem);
  line-height: 1.8;
  color: var(--ink-70);
}

.page-about .about-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.page-about .about-hero__plate {
  position: relative;
  margin: 0 8px 8px 0;
  padding: clamp(1.1rem, 3vw, 1.6rem);
  background: var(--deep);
  color: var(--paper);
  border: 2px solid var(--ink);
  box-shadow: 8px 8px 0 var(--ochre);
}

.page-about .about-plate__tag {
  margin: 0;
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-about .about-plate__big {
  margin: 0.25rem 0 0.6rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(3.4rem, 14vw, 5.4rem);
  line-height: 0.86;
  letter-spacing: -0.03em;
  color: var(--lime);
}

.page-about .about-plate__list {
  margin: 0;
  display: grid;
  gap: 0.5rem;
}

.page-about .about-plate__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  border-top: 1px solid rgba(243, 233, 215, 0.24);
  padding-top: 0.45rem;
}

.page-about .about-plate__row dt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-about .about-plate__row dd {
  margin: 0;
  font-weight: 700;
  font-size: 0.92rem;
  font-variant-numeric: tabular-nums;
}

/* ---------- Body layout ---------- */
.page-about .about-body {
  display: grid;
  gap: 0;
  padding-top: clamp(1.2rem, 3vw, 2rem);
}

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

/* ---------- Rail ---------- */
.page-about .about-rail {
  border-bottom: 1.5px solid var(--ink-30);
  padding: 0.6rem 0 0.9rem;
  margin-bottom: var(--about-space);
}

.page-about .about-rail__title {
  margin: 0 0 0.55rem;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--ink-55);
}

.page-about .about-rail__list {
  display: flex;
  gap: 0.45rem;
  margin: 0;
  padding: 0 0 0.2rem;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-about .about-rail__link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  white-space: nowrap;
  padding: 0.4rem 0.7rem;
  border: 1.5px solid var(--ink-30);
  color: var(--ink-70);
  font-size: 0.82rem;
  line-height: 1.2;
  text-decoration: none;
  transition: background-color 180ms var(--ease), border-color 180ms var(--ease),
    color 180ms var(--ease);
}

.page-about .about-rail__num {
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--ochre);
}

.page-about .about-rail__link[aria-current="true"] {
  background: var(--lime);
  border-color: var(--ink);
  color: var(--ink);
  font-weight: 700;
}

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

/* ---------- Sections ---------- */
.page-about .about-sec {
  padding-top: var(--about-space);
}

.page-about .about-sec + .about-sec {
  margin-top: var(--about-space);
  border-top: 1.5px solid var(--ink-30);
}

.page-about .about-sec__head {
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
  margin-bottom: 1.1rem;
}

.page-about .about-sec__num {
  flex: none;
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  color: var(--ochre);
}

.page-about .about-sec h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.55rem, 4.4vw, 2.5rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

.page-about .about-sec__cols {
  display: grid;
  gap: clamp(1.4rem, 3vw, 2.2rem);
}

.page-about .about-sec__text {
  min-width: 0;
  max-width: 62ch;
}

.page-about .about-sec__text p {
  margin: 0 0 1rem;
  font-size: clamp(0.95rem, 1.5vw, 1.02rem);
  line-height: 1.8;
  color: var(--ink-70);
}

.page-about .about-sec__lead {
  max-width: 58ch;
  margin: 0 0 1.4rem;
  font-size: clamp(0.95rem, 1.5vw, 1.02rem);
  line-height: 1.8;
  color: var(--ink-70);
}

.page-about .about-inline-link {
  margin: 1.4rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.page-about .about-inline-link a {
  color: var(--ochre-deep);
  text-decoration: none;
  border-bottom: 1.5px solid currentColor;
  padding-bottom: 2px;
}

/* ---------- Lists ---------- */
.page-about .about-list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.page-about .about-list li {
  position: relative;
  padding-left: 1.3rem;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--ink-70);
}

.page-about .about-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 0.55rem;
  height: 0.55rem;
  background: var(--ochre);
}

/* ---------- Figures ---------- */
.page-about .about-sec__fig,
.page-about .about-team-fig,
.page-about .about-band {
  margin: 0;
  min-width: 0;
}

.page-about .figure__media {
  border: 1.5px solid var(--ink);
  background: linear-gradient(160deg, var(--paper-2), var(--paper));
  overflow: hidden;
}

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

.page-about .about-band {
  margin-bottom: clamp(1.4rem, 3vw, 2rem);
}

.page-about .about-team-fig {
  margin-top: clamp(1.4rem, 3vw, 2rem);
}

.page-about .figure__cap {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--ink-55);
}

/* ---------- Index code ---------- */
.page-about .about-code {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 1.2rem 0 0;
  border: 1.5px solid var(--ink);
  background: var(--paper-2);
}

.page-about .about-code__cell {
  padding: 0.9rem 0.6rem;
  text-align: center;
}

.page-about .about-code__cell + .about-code__cell {
  border-left: 1.5px solid var(--ink);
}

.page-about .about-code__seg {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  color: var(--ink-55);
}

.page-about .about-code__val {
  display: block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.6rem, 6vw, 2.4rem);
  line-height: 1;
  color: var(--deep);
  font-variant-numeric: tabular-nums;
}

.page-about .about-code__note {
  margin: 0.6rem 0 1.4rem;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--ochre-deep);
}

/* ---------- Stats ---------- */
.page-about .about-stats {
  display: grid;
  gap: 0.9rem;
  margin: 1.4rem 0 0;
}

.page-about .about-stat {
  border-left: 4px solid var(--ochre);
  padding-left: 0.8rem;
}

.page-about .about-stat__num {
  display: block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.85rem, 6vw, 2.9rem);
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--ochre-deep);
  font-variant-numeric: tabular-nums;
}

.page-about .about-stat__label {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--ink-55);
}

/* ---------- Timeline ---------- */
.page-about .about-timeline {
  display: grid;
  gap: 1rem;
}

.page-about .about-node {
  position: relative;
  border: 1.5px solid var(--ink-30);
  background: var(--paper);
  padding: 1rem;
}

.page-about .about-node__ver {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.8rem, 5.5vw, 2.6rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-about .about-node__year {
  margin: 0.3rem 0 0.6rem;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--ochre);
}

.page-about .about-node__desc {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--ink-70);
}

.page-about .about-node--current {
  background: var(--paper-2);
  border-color: var(--ochre);
}

.page-about .about-node--current .about-node__ver {
  color: var(--ochre);
}

/* ---------- Folds ---------- */
.page-about .about-fold {
  margin-top: 0.8rem;
}

.page-about .about-fold summary {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--ochre-deep);
  border-bottom: 1.5px solid currentColor;
  padding-bottom: 1px;
}

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

.page-about .about-fold summary::after {
  content: "+";
  font-weight: 700;
}

.page-about .about-fold[open] summary::after {
  content: "−";
}

.page-about .about-fold p {
  margin: 0.65rem 0 0;
  font-size: 0.86rem;
  line-height: 1.75;
  color: var(--ink-70);
}

.page-about .about-fold ul {
  margin: 0.65rem 0 0;
  padding-left: 1.1rem;
  font-size: 0.86rem;
  line-height: 1.75;
  color: var(--ink-70);
}

/* ---------- Team cards ---------- */
.page-about .about-cards {
  display: grid;
  gap: 1rem;
  margin-top: 1.3rem;
}

.page-about .about-card {
  border: 1.5px solid var(--ink);
  background: var(--paper-2);
  padding: 1rem 1.05rem 1.1rem;
  box-shadow: 5px 5px 0 rgba(21, 33, 42, 0.16);
}

.page-about .about-card__num {
  margin: 0 0 0.5rem;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--ochre);
}

.page-about .about-card h3 {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.18rem;
  letter-spacing: 0.01em;
}

.page-about .about-card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--ink-70);
}

/* ---------- Product lines & steps ---------- */
.page-about .about-lines {
  list-style: none;
  margin: 1.2rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.page-about .about-lines li {
  display: grid;
  gap: 0.15rem;
  border-top: 1.5px solid var(--ink-30);
  padding-top: 0.6rem;
}

.page-about .about-lines strong {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
}

.page-about .about-lines span {
  font-size: 0.87rem;
  line-height: 1.7;
  color: var(--ink-70);
}

.page-about .about-steps {
  counter-reset: step;
  list-style: none;
  margin: 1.2rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
  max-width: 60ch;
}

.page-about .about-steps li {
  counter-increment: step;
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--ink-70);
}

.page-about .about-steps li::before {
  content: counter(step, decimal-leading-zero);
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink);
  background: var(--lime);
  padding: 0.15rem 0.4rem;
  line-height: 1.4;
}

/* ---------- Closing ---------- */
.page-about .about-close {
  position: relative;
  margin-top: var(--about-space);
  padding: clamp(1.4rem, 4vw, 2.4rem);
  background: var(--deep);
  color: var(--paper);
  border: 2px solid var(--ink);
}

.page-about .about-close::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 8px;
  background: repeating-linear-gradient(
    135deg,
    var(--gold) 0 12px,
    var(--ochre) 12px 24px
  );
}

.page-about .about-close .about-sec__head {
  margin-top: 0.6rem;
}

.page-about .about-close h2 {
  color: var(--paper);
}

.page-about .about-close .about-sec__num {
  color: var(--gold);
}

.page-about .about-close p {
  margin: 0 0 0.9rem;
  max-width: 58ch;
  font-size: clamp(0.92rem, 1.5vw, 1rem);
  line-height: 1.8;
  color: rgba(243, 233, 215, 0.84);
}

.page-about .about-close .about-actions {
  margin-top: 1.2rem;
}

.page-about .about-close__note {
  margin: 1.4rem 0 0;
  padding-top: 0.9rem;
  border-top: 1px solid rgba(243, 233, 215, 0.24);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: rgba(243, 233, 215, 0.62);
}

/* ---------- Media queries ---------- */
@media (min-width: 560px) {
  .page-about .about-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .about-lines li {
    grid-template-columns: 104px minmax(0, 1fr);
    gap: 0.9rem;
    align-items: baseline;
  }
}

@media (min-width: 720px) {
  .page-about .about-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 800px) {
  .page-about .about-timeline {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    border-top: 2px solid var(--ink);
  }

  .page-about .about-node {
    border: 0;
    border-left: 1.5px solid var(--ink-30);
    background: transparent;
    padding: 1.3rem 1rem 0 1rem;
  }

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

  .page-about .about-node--current {
    background: transparent;
    border-color: var(--ink-30);
  }

  .page-about .about-node::before {
    content: "";
    position: absolute;
    top: -7px;
    left: 1rem;
    width: 10px;
    height: 10px;
    background: var(--ochre);
  }

  .page-about .about-node:first-child::before {
    left: 0;
  }

  .page-about .about-node--current::before {
    background: var(--lime);
    outline: 1.5px solid var(--ink);
  }
}

@media (min-width: 860px) {
  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 1.42fr) minmax(0, 0.58fr);
    gap: clamp(2rem, 5vw, 4rem);
  }

  .page-about .about-sec__cols {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-about .about-body {
    grid-template-columns: var(--about-rail-w) minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3.6rem);
    align-items: start;
  }

  .page-about .about-rail {
    position: sticky;
    top: calc(var(--bar-h) + 1.2rem);
    align-self: start;
    margin-bottom: 0;
    padding: 0.9rem 0 0;
    border-top: 1.5px solid var(--ink);
    border-bottom: 0;
  }

  .page-about .about-rail__list {
    flex-direction: column;
    gap: 0.08rem;
    overflow: visible;
    padding: 0;
  }

  .page-about .about-rail__link {
    width: 100%;
    border: 0;
    border-left: 2px solid transparent;
    padding: 0.42rem 0 0.42rem 0.7rem;
    font-size: 0.86rem;
  }

  .page-about .about-rail__link[aria-current="true"] {
    background: transparent;
    color: var(--ochre-deep);
    border-left-color: var(--ochre);
    font-weight: 700;
  }

  .page-about .about-rail__top {
    display: inline-block;
    margin-top: 1.2rem;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    color: var(--ink-55);
    text-decoration: none;
    border-bottom: 1px solid currentColor;
    padding-bottom: 2px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-rail__link {
    transition: none;
  }
}