.page-about {
  --ab-cut: 14px;
  background: var(--night);
  color: var(--slate);
}

/* ---------- Hero ---------- */
.page-about .ab-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + 2.6rem) 0 clamp(2.8rem, 6vw, 4.5rem);
  background:
    radial-gradient(90% 72% at 92% 3%, rgba(47, 224, 200, .12), transparent 62%),
    radial-gradient(72% 62% at 4% 98%, rgba(194, 69, 42, .18), transparent 60%),
    linear-gradient(180deg, var(--abyss) 0%, var(--night) 100%);
}

.page-about .ab-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .32;
  background-image: linear-gradient(rgba(36, 56, 76, .55) 1px, transparent 1px);
  background-size: 100% 68px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .95), transparent 88%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .95), transparent 88%);
}

.page-about .ab-hero .shell {
  position: relative;
  z-index: 1;
}

.page-about .ab-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.2rem;
  margin-top: 1.8rem;
}

.page-about .ab-hero__eyebrow {
  margin: 0 0 .9rem;
  font-family: var(--f-mono);
  font-size: .74rem;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-about .ab-hero h1 {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(2.1rem, 6.4vw, 3.7rem);
  line-height: 1.04;
  letter-spacing: -.02em;
  color: var(--cream);
}

.page-about .ab-hero__lede {
  max-width: 54ch;
  margin: 1.25rem 0 0;
  font-size: 1.02rem;
  line-height: 1.88;
  color: var(--slate);
}

.page-about .ab-hero__panel .panel {
  box-shadow: var(--shadow-dark);
}

@media (min-width: 900px) {
  .page-about .ab-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    gap: 3.2rem;
    align-items: end;
  }
}

/* ---------- Chapter shell ---------- */
.page-about .ab-chap {
  position: relative;
  padding: clamp(3.2rem, 7.5vw, 6rem) 0;
  background: var(--night);
}

.page-about .ab-chap--alt {
  background: linear-gradient(180deg, var(--night) 0%, var(--abyss) 55%, var(--night) 100%);
}

.page-about .ab-chap--cream {
  background: var(--cream);
  color: var(--brown);
}

.page-about .ab-chap--cream + .ab-chap--cream {
  padding-top: clamp(1rem, 3vw, 2rem);
}

.page-about .ab-chap__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.1rem;
}

.page-about .ab-chap__num {
  display: block;
  font-family: var(--f-display);
  font-weight: 800;
  font-size: 2.2rem;
  line-height: 1;
  letter-spacing: -.03em;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--line);
  transition: -webkit-text-stroke-color .65s var(--ease), transform .65s var(--ease);
}

.page-about .ab-chap--cream .ab-chap__num {
  -webkit-text-stroke-color: var(--line-cream);
}

.page-about .ab-chap__rail.is-in .ab-chap__num {
  -webkit-text-stroke-color: var(--cyan);
  transform: translateY(-4px);
}

.page-about .ab-chap--cream .ab-chap__rail.is-in .ab-chap__num {
  -webkit-text-stroke-color: var(--clay);
}

@media (min-width: 880px) {
  .page-about .ab-chap__grid {
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 2.6rem;
    align-items: start;
  }

  .page-about .ab-chap__rail {
    position: sticky;
    top: calc(var(--header-h) + 3.2rem);
    align-self: start;
  }

  .page-about .ab-chap__num {
    font-size: clamp(3.6rem, 6vw, 5.6rem);
  }
}

.page-about .ab-chap__kicker {
  margin: 0 0 .7rem;
  font-family: var(--f-mono);
  font-size: .72rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-about .ab-chap--cream .ab-chap__kicker {
  color: var(--clay);
}

.page-about .ab-chap__title {
  margin: 0 0 1.35rem;
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(1.65rem, 4.2vw, 2.5rem);
  line-height: 1.14;
  letter-spacing: -.018em;
  color: var(--cream);
  max-width: 24ch;
}

.page-about .ab-chap--cream .ab-chap__title {
  color: var(--brown);
}

.page-about .ab-chap__text {
  max-width: 64ch;
  margin: 0 0 1.15rem;
  font-size: 1.02rem;
  line-height: 1.88;
  color: var(--slate);
}

.page-about .ab-chap--cream .ab-chap__text {
  color: var(--brown-2);
}

.page-about .ab-figure {
  margin: 2rem 0 0;
}

.page-about .ab-figure .figure__media {
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-about .ab-chap--cream .ab-figure .figure__media {
  border-color: var(--line-cream);
}

.page-about .ab-figure .figure__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-about .ab-chap--cream .figure__cap {
  color: var(--brown-2);
}

/* ---------- Track ---------- */
.page-about .ab-track {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin: 2.4rem 0 0;
  padding: 0;
  list-style: none;
  counter-reset: abt;
}

.page-about .ab-track__node {
  position: relative;
  padding: 0 0 1.35rem 1.7rem;
  border-left: 1px solid var(--line);
}

.page-about .ab-track__node:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-about .ab-track__node::before {
  content: "";
  position: absolute;
  left: -5px;
  top: .35rem;
  width: 9px;
  height: 9px;
  background: var(--night);
  border: 1px solid var(--line);
  transform: rotate(45deg);
  transition: border-color .3s var(--ease), background .3s var(--ease);
}

.page-about .ab-track__node:hover::before,
.page-about .ab-track__node.is-current::before {
  border-color: var(--clay);
  background: var(--clay);
}

.page-about .ab-track__year {
  display: block;
  font-family: var(--f-mono);
  font-size: .82rem;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-about .ab-track__label {
  display: block;
  margin-top: .3rem;
  font-size: .98rem;
  line-height: 1.6;
  color: var(--cream);
}

@media (min-width: 760px) {
  .page-about .ab-track {
    flex-direction: row;
    gap: 0;
    border-top: 1px solid var(--line);
    padding-top: 1.6rem;
  }

  .page-about .ab-track__node {
    flex: 1 1 0;
    padding: 0 1.2rem 0 0;
    border-left: 0;
  }

  .page-about .ab-track__node::before {
    left: 0;
    top: -1.6rem;
  }
}

/* ---------- Venue SVG ---------- */
.page-about .ab-venue {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
  margin-top: 2.2rem;
  padding: 1.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(18, 41, 62, .85), rgba(6, 14, 23, .7));
}

.page-about .ab-venue__svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .ab-venue__shell {
  fill: rgba(6, 14, 23, .85);
  stroke: var(--line);
  stroke-width: 1;
}

.page-about .ab-seat rect {
  fill: rgba(47, 224, 200, .05);
  stroke: var(--line);
  stroke-width: 1;
  transition: fill .3s var(--ease), stroke .3s var(--ease);
}

.page-about .ab-seat text {
  fill: var(--slate);
  font-family: var(--f-body);
  font-size: 13px;
  text-anchor: middle;
  transition: fill .3s var(--ease);
}

.page-about .ab-seat:hover rect {
  fill: rgba(47, 224, 200, .18);
  stroke: var(--cyan);
}

.page-about .ab-seat:hover text {
  fill: var(--cyan);
}

.page-about .ab-seat--family rect {
  fill: rgba(226, 169, 59, .09);
  stroke: rgba(226, 169, 59, .45);
}

.page-about .ab-seat--family text {
  fill: var(--gold);
}

.page-about .ab-seat--family:hover rect {
  fill: rgba(226, 169, 59, .24);
  stroke: var(--gold);
}

.page-about .ab-venue__pitch {
  fill: rgba(47, 224, 200, .07);
  stroke: rgba(47, 224, 200, .3);
  stroke-width: 1;
}

.page-about .ab-venue__line {
  fill: none;
  stroke: rgba(47, 224, 200, .3);
  stroke-width: 1;
}

.page-about .ab-venue__legend {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .55rem;
  font-size: .88rem;
  color: var(--slate);
}

.page-about .ab-venue__legend li {
  display: flex;
  align-items: center;
  gap: .6rem;
}

.page-about .ab-venue__swatch {
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  border: 1px solid var(--line);
  background: rgba(47, 224, 200, .12);
}

.page-about .ab-venue__swatch--family {
  background: rgba(226, 169, 59, .35);
  border-color: rgba(226, 169, 59, .6);
}

.page-about .ab-venue__swatch--pitch {
  background: rgba(47, 224, 200, .3);
  border-color: rgba(47, 224, 200, .5);
}

@media (min-width: 720px) {
  .page-about .ab-venue {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: center;
    gap: 1.8rem;
    padding: 1.6rem;
  }
}

/* ---------- Transfer classes ---------- */
.page-about .ab-classes {
  margin: 2.1rem 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .7rem;
}

.page-about .ab-class {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .85rem;
  padding: .95rem 1.1rem;
  border: 1px solid var(--line);
  border-left: 3px solid var(--clay);
  border-radius: var(--radius);
  background: linear-gradient(90deg, rgba(194, 69, 42, .1), rgba(194, 69, 42, 0) 72%);
  transition: transform .35s var(--ease), border-left-color .35s var(--ease), background .35s var(--ease);
}

.page-about .ab-class p {
  margin: 0;
  flex: 1 1 16rem;
  font-size: .96rem;
  line-height: 1.72;
  color: var(--slate);
}

.page-about .ab-class:hover {
  transform: translateX(6px);
  border-left-color: var(--cyan);
}

.page-about .ab-class--out {
  width: 97%;
}

.page-about .ab-class--loan {
  width: 99%;
}

.page-about .ab-class--free {
  width: 95%;
}

@media (min-width: 640px) {
  .page-about .ab-class--in {
    width: 100%;
  }
}

/* ---------- Pyramid accordion ---------- */
.page-about .ab-pyramid {
  margin: 2.2rem 0 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
}

.page-about .ab-pyramid__step {
  width: 100%;
  border: 1px solid var(--line-cream);
  border-radius: var(--radius);
  background: var(--cream-hi);
  overflow: hidden;
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease);
}

.page-about .ab-pyramid__step:hover {
  border-color: rgba(194, 69, 42, .45);
  box-shadow: var(--shadow-paper);
}

.page-about .ab-pyramid__btn {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .5rem .9rem;
  width: 100%;
  padding: .9rem 1rem;
  text-align: left;
  background: transparent;
  border: 0;
  cursor: pointer;
  color: var(--brown);
}

.page-about .ab-pyramid__btn:focus-visible {
  outline: 2px solid var(--clay);
  outline-offset: -3px;
}

.page-about .ab-pyramid__age {
  font-family: var(--f-mono);
  font-size: .82rem;
  letter-spacing: .04em;
  color: var(--clay);
}

.page-about .ab-pyramid__name {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1.08rem;
  letter-spacing: -.01em;
}

.page-about .ab-pyramid__mark {
  position: relative;
  margin-left: auto;
  width: 12px;
  height: 12px;
  flex: 0 0 auto;
}

.page-about .ab-pyramid__mark::before,
.page-about .ab-pyramid__mark::after {
  content: "";
  position: absolute;
  background: var(--clay);
  transition: transform .3s var(--ease), opacity .3s var(--ease);
}

.page-about .ab-pyramid__mark::before {
  left: 0;
  top: 5px;
  width: 12px;
  height: 2px;
}

.page-about .ab-pyramid__mark::after {
  left: 5px;
  top: 0;
  width: 2px;
  height: 12px;
}

.page-about .ab-pyramid__btn[aria-expanded="true"] .ab-pyramid__mark::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-about .ab-pyramid__panel {
  padding: 0 1rem 1rem;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--brown-2);
}

.page-about .ab-pyramid__panel p {
  margin: 0;
  padding-top: .2rem;
  border-top: 1px solid var(--line-cream);
}

@media (min-width: 760px) {
  .page-about .ab-pyramid__step {
    width: var(--w, 100%);
    margin-inline: auto;
  }
}

/* ---------- Roles ---------- */
.page-about .ab-roles {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.6rem;
  margin-top: 2.2rem;
}

.page-about .ab-role {
  padding-top: 1rem;
  border-top: 2px solid var(--clay);
}

.page-about .ab-role__title {
  margin: 0 0 .6rem;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1.16rem;
  letter-spacing: -.01em;
  color: var(--brown);
}

.page-about .ab-role__text {
  margin: 0;
  font-size: .96rem;
  line-height: 1.82;
  color: var(--brown-2);
}

@media (min-width: 780px) {
  .page-about .ab-roles {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 2rem;
  }
}

/* ---------- Roadmap ---------- */
.page-about .ab-road {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.4rem;
  margin-top: 2.2rem;
}

.page-about .ab-road__item {
  padding: 1.3rem 1.25rem;
  border: 1px solid var(--line-cream);
  border-radius: var(--radius);
  background: var(--cream-hi);
  box-shadow: var(--shadow-paper);
}

.page-about .ab-road__title {
  margin: 0 0 .6rem;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -.01em;
  color: var(--brown);
}

.page-about .ab-road__text {
  margin: 0;
  font-size: .95rem;
  line-height: 1.82;
  color: var(--brown-2);
}

@media (min-width: 800px) {
  .page-about .ab-road {
    grid-template-columns: 1.1fr .92fr 1.02fr;
    gap: 1.2rem;
    align-items: start;
  }

  .page-about .ab-road__item:nth-child(2) {
    margin-top: 1.6rem;
  }
}

/* ---------- Closing ---------- */
.page-about .ab-chap--last {
  padding-bottom: clamp(3.4rem, 8vw, 6rem);
}

.page-about .ab-cta {
  margin-top: 1.6rem;
  padding: 1.5rem 1.35rem;
  border: 1px solid var(--line-cream);
  border-left: 4px solid var(--clay);
  border-radius: var(--radius);
  background: linear-gradient(120deg, rgba(194, 69, 42, .08), rgba(243, 235, 222, .2));
}

.page-about .ab-cta__text {
  margin: 0 0 1.05rem;
  font-size: .98rem;
  line-height: 1.8;
  color: var(--brown-2);
}

.page-about .ab-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

.page-about .ab-note {
  margin: 1.4rem 0 0;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--brown-2);
}

.page-about .ab-note a {
  color: var(--clay);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-about .ab-note a:hover {
  color: var(--clay-hi);
}

@media (prefers-reduced-motion: reduce) {
  .page-about .ab-chap__num,
  .page-about .ab-track__node::before,
  .page-about .ab-class,
  .page-about .ab-seat rect,
  .page-about .ab-seat text,
  .page-about .ab-pyramid__mark::before,
  .page-about .ab-pyramid__mark::after {
    transition: none !important;
  }

  .page-about .ab-chap__rail.is-in .ab-chap__num {
    transform: none;
  }

  .page-about .ab-class:hover {
    transform: none;
  }
}

.page-about {
  --w: 1rem;
}