.page-about {
  --about-line: rgba(63, 224, 201, .3);
  --about-hair: rgba(33, 28, 21, .16);
  --about-paper: rgba(255, 255, 255, .66);
  --about-body-ink: rgba(243, 238, 226, .82);
}

/* ---------- Hero ---------- */
.page-about .about-hero {
  position: relative;
  padding: calc(var(--header-h) + 44px) 0 0;
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-ink) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-ink) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}

.page-about .about-hero__top {
  position: relative;
  z-index: 1;
}

.page-about .about-hero .breadcrumbs__link {
  color: var(--cyan-200);
}

.page-about .about-hero .breadcrumbs__current {
  color: rgba(243, 238, 226, .68);
}

.page-about .about-hero .eyebrow {
  margin-top: 26px;
  color: var(--cyan-400);
}

.page-about .about-hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 5.6vw, 58px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--cream-100);
  max-width: 17ch;
  margin: 12px 0 0;
}

.page-about .about-hero__lead {
  margin: 20px 0 0;
  max-width: 44ch;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  color: var(--about-body-ink);
}

.page-about .about-facts {
  list-style: none;
  margin: 44px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.page-about .about-fact {
  border-top: 1px solid var(--about-line);
  padding-top: 14px;
  min-width: 0;
}

.page-about .about-fact__num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(34px, 7vw, 46px);
  line-height: 1;
  color: var(--cyan-400);
  letter-spacing: -0.02em;
}

.page-about .about-fact__lb {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cream-100);
}

.page-about .about-fact__nt {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(168, 243, 230, .68);
}

.page-about .about-hero__media {
  position: relative;
  z-index: 1;
  margin-top: 46px;
  padding-bottom: 56px;
}

.page-about .about-hero .media-frame__caption {
  color: rgba(243, 238, 226, .58);
}

.page-about .about-hero img,
.page-about .about-atlas img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- Trail ---------- */
.page-about .about-trail {
  padding: 64px 0 80px;
}

.page-about .about-trail .eyebrow {
  color: var(--slate-400);
}

.page-about .about-trail__h {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--brown-900);
  margin: 10px 0 0;
}

.page-about .about-trail__lede {
  margin: 14px 0 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--slate-400);
}

/* ---------- Grid skeleton ---------- */
.page-about .about-grid {
  margin-top: 44px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 44px;
}

/* ---------- Year index ---------- */
.page-about .about-index {
  min-width: 0;
  border-left: 1px solid var(--about-hair);
  padding-left: 14px;
}

.page-about .about-index .label-mono {
  color: var(--sage-500);
}

.page-about .about-index__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0 0 4px;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-about .about-index__item {
  flex: 0 0 auto;
}

.page-about .about-index__link {
  display: block;
  padding: 8px 12px;
  border: 1px solid var(--about-hair);
  text-decoration: none;
  transition: border-color 160ms var(--ease), background-color 160ms var(--ease);
}

.page-about .about-index__link:hover,
.page-about .about-index__link:focus-visible {
  border-color: var(--amber-500);
  background: rgba(232, 150, 60, .1);
}

.page-about .about-index__yr {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--brown-900);
}

.page-about .about-index__tx {
  display: block;
  margin-top: 3px;
  font-size: 12px;
  color: var(--slate-400);
  white-space: nowrap;
}

/* ---------- Milestones ---------- */
.page-about .about-mile {
  position: relative;
  min-width: 0;
  padding-bottom: 84px;
}

.page-about .about-mile:last-of-type {
  padding-bottom: 0;
}

.page-about .about-mile__step {
  margin: 0;
  color: var(--slate-400);
}

.page-about .about-mile__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 3vw, 28px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--brown-900);
  margin: 10px 0 0;
  max-width: 22ch;
}

.page-about .about-slab {
  margin-top: 18px;
  padding: 26px 22px;
  background: var(--about-paper);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
  box-shadow: 0 14px 30px -24px rgba(6, 35, 29, .5);
}

.page-about .about-slab p {
  margin: 0 0 1.1em;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.78;
  color: var(--brown-900);
  max-width: 42ch;
}

.page-about .about-slab p:last-of-type {
  margin-bottom: 0;
}

.page-about .about-slab--ink {
  background: var(--ink-700);
  box-shadow: 0 20px 36px -26px rgba(6, 35, 29, .8);
}

.page-about .about-slab--ink p {
  color: var(--about-body-ink);
}

.page-about .about-mile__data {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 34px;
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: 1px dashed var(--about-hair);
}

.page-about .about-slab--ink .about-mile__data {
  border-top-color: var(--about-line);
}

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

.page-about .about-datum dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--sage-500);
}

.page-about .about-slab--ink .about-datum dt {
  color: rgba(126, 154, 142, .9);
}

.page-about .about-datum dd {
  margin: 5px 0 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--amber-500);
}

.page-about .about-mile__scale {
  position: absolute;
  right: 0;
  bottom: 6px;
  width: 132px;
  height: 76px;
  color: var(--about-line);
  pointer-events: none;
}

/* flat milestone (team) */
.page-about .about-mile--flat .about-mile__intro {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--slate-400);
  max-width: 42ch;
}

.page-about .about-roles {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.page-about .about-role {
  border-top: 2px solid var(--ink-900);
  padding-top: 14px;
  min-width: 0;
}

.page-about .about-role__k {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: .04em;
  color: var(--ink-900);
}

.page-about .about-role p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate-400);
}

/* ---------- Atlas band ---------- */
.page-about .about-atlas {
  margin: 0;
  background: var(--ink-900);
  overflow: hidden;
}

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

.page-about .about-atlas__text {
  padding: 30px 22px 34px;
}

.page-about .about-atlas__text .label-mono {
  color: var(--cyan-400);
}

.page-about .about-atlas__h {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 3vw, 27px);
  line-height: 1.32;
  color: var(--cream-100);
  max-width: 20ch;
}

.page-about .about-atlas__text p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--about-body-ink);
  max-width: 40ch;
}

.page-about .about-atlas__list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .about-atlas__list li {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  padding: 5px 10px;
  border: 1px solid rgba(63, 224, 201, .35);
  color: var(--cyan-200);
}

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

.page-about .about-atlas__media img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- Archive tabs ---------- */
.page-about .about-arch {
  margin-top: 4px;
  min-width: 0;
  border: 1px solid var(--about-hair);
  background: rgba(255, 255, 255, .5);
  padding: 22px 20px 24px;
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
}

.page-about .about-arch__note {
  margin: 0 0 12px;
  color: var(--sage-500);
}

.page-about .about-arch .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  border-bottom: 1px solid var(--about-hair);
}

.page-about .about-arch .tab {
  appearance: none;
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  padding: 9px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--slate-400);
  cursor: pointer;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-about .about-arch .tab:hover,
.page-about .about-arch .tab:focus-visible {
  color: var(--ink-900);
}

.page-about .about-arch .tab[aria-selected="true"] {
  color: var(--ink-900);
  border-bottom-color: var(--amber-500);
}

.page-about .about-arch .tab-panel {
  padding-top: 18px;
  outline-offset: 3px;
}

.page-about .about-arch .tab-panel + .tab-panel {
  border-top: 1px dashed var(--about-hair);
}

.page-about .about-arch__h {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--brown-900);
}

.page-about .about-arch .tab-panel p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--slate-400);
  max-width: 44ch;
}

/* ---------- Next ---------- */
.page-about .about-next {
  padding: 58px 0;
}

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

.page-about .about-next__h {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3.6vw, 34px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--cream-100);
}

.page-about .about-next__text p {
  margin: 14px 0 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--about-body-ink);
}

.page-about .about-next__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- Responsive ---------- */
@media (min-width: 560px) {
  .page-about .about-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px 26px;
  }

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

  .page-about .about-slab {
    padding: 30px 28px;
  }
}

@media (min-width: 760px) {
  .page-about .about-atlas__inner {
    grid-template-columns: 1fr 1.05fr;
    align-items: stretch;
  }

  .page-about .about-atlas__text {
    padding: 40px 30px 40px 34px;
  }

  .page-about .about-atlas__media img {
    height: 100%;
    object-fit: cover;
  }

  .page-about .about-next__inner {
    grid-template-columns: 1.35fr 1fr;
    align-items: center;
    gap: 44px;
  }

  .page-about .about-next__cta {
    justify-content: flex-end;
  }
}

@media (min-width: 900px) {
  .page-about .about-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-roles {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-about .about-hero {
    padding-top: calc(var(--header-h) + 64px);
  }

  .page-about .about-trail {
    padding: 88px 0 108px;
  }

  .page-about .about-grid {
    grid-template-columns: 186px minmax(0, 1fr);
    gap: 30px 60px;
    margin-top: 56px;
  }

  .page-about .about-index {
    position: sticky;
    top: calc(var(--header-h) + 30px);
    align-self: start;
    border-left: 1px solid var(--about-hair);
    padding-left: 18px;
  }

  .page-about .about-index__list {
    display: block;
    overflow: visible;
    margin-top: 16px;
    padding-bottom: 0;
  }

  .page-about .about-index__item + .about-index__item {
    margin-top: 4px;
  }

  .page-about .about-index__link {
    border: 0;
    border-left: 2px solid transparent;
    padding: 7px 0 7px 12px;
    margin-left: -20px;
  }

  .page-about .about-index__link:hover,
  .page-about .about-index__link:focus-visible {
    background: transparent;
    border-left-color: var(--amber-500);
  }

  .page-about .about-index__tx {
    white-space: normal;
  }

  .page-about .about-mile {
    grid-column: 2;
  }

  .page-about .about-atlas {
    grid-column: 1 / -1;
  }

  .page-about .about-arch {
    grid-column: 2;
  }

  .page-about .about-mile__scale {
    bottom: 4px;
    width: 150px;
    height: 84px;
  }
}

@media (min-width: 1120px) {
  .page-about .about-slab {
    padding: 34px 34px;
  }

  .page-about .about-slab p {
    max-width: 46ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-index__link,
  .page-about .about-arch .tab {
    transition: none;
  }
}