.page-about{
  --about-index-w: 208px;
  display: block;
  background: var(--void);
  color: var(--ice-soft);
}

.page-about .breadcrumb{
  padding-top: clamp(1rem, 3vw, 1.8rem);
}

/* ---------- Hero ---------- */
.page-about .about-hero{
  position: relative;
  overflow: hidden;
  padding: clamp(1.6rem, 4vw, 2.6rem) 0 0;
}

.page-about .about-hero::before{
  content: "";
  position: absolute;
  top: -30%;
  right: -18%;
  width: min(760px, 110vw);
  aspect-ratio: 1;
  background: radial-gradient(circle at 55% 45%, rgba(53, 242, 223, .16), transparent 62%);
  pointer-events: none;
}

.page-about .about-hero__inner{
  position: relative;
  display: grid;
  gap: clamp(1.8rem, 5vw, 3rem);
  align-items: center;
}

.page-about .about-hero__title{
  margin: .7rem 0 0;
  color: var(--ice);
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(2.5rem, 8.4vw, 5.2rem);
  line-height: 1.02;
  letter-spacing: -.04em;
}

.page-about .about-hero__lede{
  margin-top: 1.3rem;
  max-width: 54ch;
  color: var(--ice-soft);
  font-size: clamp(.95rem, 1.6vw, 1.05rem);
  line-height: 1.8;
}

.page-about .about-hero__actions{
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1.7rem;
}

.page-about .about-hero__media{
  margin: 0;
  position: relative;
}

.page-about .about-hero__media img{
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 48px), calc(100% - 48px) 100%, 0 100%);
}

.page-about .about-hero__media figcaption{
  margin-top: .75rem;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--mist);
}

.page-about .about-facts{
  position: relative;
  list-style: none;
  margin: clamp(2rem, 6vw, 3.2rem) auto 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-about .about-facts li{
  display: flex;
  flex-direction: column;
  gap: .3rem;
  padding: 1rem 1.1rem;
  background: var(--void);
}

.page-about .about-facts__num{
  font-family: var(--font-mono);
  font-size: clamp(1.45rem, 4vw, 2rem);
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--cyan);
}

.page-about .about-facts__label{
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--mist);
}

@media (min-width: 860px){
  .page-about .about-hero__inner{
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(2rem, 4vw, 4rem);
  }
  .page-about .about-facts{
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- Body layout ---------- */
.page-about .about-body{
  display: grid;
  gap: clamp(1.4rem, 4vw, 2.4rem);
  padding-top: clamp(2.4rem, 6vw, 4.5rem);
  padding-bottom: clamp(2.4rem, 6vw, 4rem);
}

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

.page-about .about-index__title{
  margin: 0 0 .7rem;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--mist);
}

.page-about .about-index__list{
  list-style: none;
  margin: 0;
  padding: 0 0 .3rem;
  display: flex;
  gap: .5rem;
  overflow-x: auto;
}

.page-about .about-index__list a{
  display: inline-flex;
  align-items: baseline;
  gap: .45rem;
  padding: .5rem .8rem;
  white-space: nowrap;
  font-size: .85rem;
  color: var(--ice-soft);
  text-decoration: none;
  border: 1px solid var(--line);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

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

.page-about .about-index__list a:focus-visible{
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-about .about-index__list .num{
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--mist);
}

@media (min-width: 1000px){
  .page-about .about-body{
    grid-template-columns: var(--about-index-w) minmax(0, 1fr);
    gap: clamp(2rem, 5vw, 4.5rem);
  }
  .page-about .about-index{
    position: sticky;
    top: calc(var(--header-h) + 2rem);
    align-self: start;
  }
  .page-about .about-index__list{
    flex-direction: column;
    gap: 0;
    overflow: visible;
    border-left: 1px solid var(--line);
    padding: 0;
  }
  .page-about .about-index__list li{
    border-bottom: 1px solid var(--line);
  }
  .page-about .about-index__list a{
    border: 0;
    padding: .75rem .9rem;
    width: 100%;
    white-space: normal;
  }
  .page-about .about-index__list a:hover,
  .page-about .about-index__list a:focus-visible{
    color: var(--cyan);
    background: rgba(53, 242, 223, .06);
  }
}

/* ---------- Chapter ---------- */
.page-about .about-flow{
  min-width: 0;
}

.page-about .about-chapter{
  position: relative;
  padding-block: clamp(2rem, 5vw, 3.4rem);
  border-top: 1px solid var(--line);
}

.page-about .about-chapter:first-child{
  border-top: 0;
  padding-top: 0;
}

.page-about .about-chapter__num{
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(3.2rem, 12vw, 6.5rem);
  line-height: .8;
  letter-spacing: -.05em;
  color: transparent;
  -webkit-text-stroke: 1px var(--line-strong);
  user-select: none;
  margin-bottom: .55rem;
}

.page-about .about-chapter h2{
  margin: .3rem 0 0;
  color: var(--ice);
  font-family: var(--font-display);
  font-weight: 250;
  font-size: clamp(1.55rem, 4.6vw, 2.5rem);
  line-height: 1.16;
  letter-spacing: -.02em;
}

.page-about .about-chapter__lede{
  margin: 1rem 0 0;
  max-width: 62ch;
  color: var(--ice-soft);
  font-size: .98rem;
  line-height: 1.8;
}

/* ---------- Timeline ---------- */
.page-about .about-track{
  list-style: none;
  margin: clamp(1.6rem, 4vw, 2.4rem) 0 0;
  padding: 0 0 0 1.6rem;
  border-left: 1px solid var(--line-strong);
  display: grid;
  gap: 1rem;
}

.page-about .about-track__item{
  position: relative;
}

.page-about .about-track__item::before{
  content: "";
  position: absolute;
  left: calc(-1.6rem - 4px);
  top: 1.15rem;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(53, 242, 223, .12);
}

.page-about .about-node{
  padding: .85rem 1rem;
  border-left: 2px solid var(--steel);
  background: linear-gradient(180deg, rgba(234, 246, 255, .05), transparent 72%);
  transition: border-color .24s var(--ease), background-color .24s var(--ease);
}

.page-about .about-node[open]{
  border-left-color: var(--cyan);
}

.page-about .about-node summary{
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: .4rem .9rem;
  outline-offset: 4px;
}

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

.page-about .about-node summary:focus-visible{
  outline: 2px solid var(--cyan);
}

.page-about .about-node__year{
  font-family: var(--font-mono);
  font-size: .95rem;
  letter-spacing: .04em;
  color: var(--cyan);
}

.page-about .about-node__title{
  font-size: 1rem;
  font-weight: 500;
  color: var(--ice);
}

.page-about .about-node__body{
  margin-top: .7rem;
}

.page-about .about-node__body p{
  margin: 0;
  max-width: 64ch;
  font-size: .93rem;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- Figures ---------- */
.page-about .about-figure{
  margin: clamp(1.8rem, 4vw, 2.6rem) 0 0;
}

.page-about .about-figure .media-frame img{
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .about-figure figcaption{
  margin-top: .7rem;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist);
}

/* ---------- Team ---------- */
.page-about .about-team{
  display: grid;
  gap: 1.4rem;
  margin-top: clamp(1.6rem, 4vw, 2.4rem);
}

.page-about .about-team__map{
  padding: 1.3rem;
  align-self: start;
}

.page-about .about-team__hub{
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-about .about-team__nodes{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .55rem;
}

.page-about .about-team__nodes li{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .8rem;
  padding: .75rem .85rem;
  border: 1px solid var(--line);
  background: rgba(11, 16, 24, .72);
  font-size: .88rem;
  color: var(--ice);
}

.page-about .about-team__nodes .tag{
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .08em;
  color: var(--mist);
  text-align: right;
}

.page-about .about-team__copy h3{
  margin: 1.3rem 0 .4rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--ice);
}

.page-about .about-team__copy h3:first-child{
  margin-top: 0;
}

.page-about .about-team__copy p{
  margin: 0;
  max-width: 62ch;
  font-size: .93rem;
  line-height: 1.8;
  color: var(--mist);
}

@media (min-width: 900px){
  .page-about .about-team{
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(1.6rem, 3vw, 2.6rem);
  }
}

/* ---------- Library scale ---------- */
.page-about .about-scale{
  list-style: none;
  margin: clamp(1.6rem, 4vw, 2.4rem) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border-block: 1px solid var(--line);
}

.page-about .about-scale__item{
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .4rem;
  padding: 1.3rem 1rem 1.4rem;
  background: var(--void);
}

.page-about .about-scale__item::before{
  content: "";
  position: absolute;
  top: 0;
  left: 1rem;
  width: 1px;
  height: 14px;
  background: var(--amber);
}

.page-about .about-scale__num{
  font-family: var(--font-mono);
  font-size: clamp(1.7rem, 5vw, 2.4rem);
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--ice);
  font-variant-numeric: tabular-nums;
}

.page-about .about-scale__label{
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-about .about-scale__desc{
  font-size: .88rem;
  line-height: 1.72;
  color: var(--mist);
}

@media (min-width: 760px){
  .page-about .about-scale{
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- Partners & Honors ---------- */
.page-about .about-partners{
  display: grid;
  gap: 1rem;
  margin-top: clamp(1.6rem, 4vw, 2.4rem);
}

.page-about .about-partners .panel{
  padding: 1.4rem;
}

.page-about .about-partners .panel h3{
  margin: .5rem 0 .6rem;
  font-size: 1.05rem;
  color: var(--ice);
  font-weight: 500;
}

.page-about .about-partners .panel p{
  margin: 0;
  font-size: .92rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-about .about-note{
  margin: 1.3rem 0 0;
  max-width: 62ch;
  font-size: .9rem;
  line-height: 1.78;
  color: var(--ice-soft);
}

.page-about .about-honors{
  display: grid;
  gap: 1rem;
  margin-top: clamp(1.6rem, 4vw, 2.4rem);
}

.page-about .about-honors .panel{
  padding: 1.5rem 1.5rem 1.8rem;
}

.page-about .honors__year{
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.6rem;
  letter-spacing: -.02em;
  color: var(--amber);
}

.page-about .about-honors h3{
  margin: .5rem 0 .6rem;
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--ice);
}

.page-about .about-honors p{
  margin: 0;
  font-size: .92rem;
  line-height: 1.78;
  color: var(--mist);
}

@media (min-width: 760px){
  .page-about .about-partners,
  .page-about .about-honors{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- CTA ---------- */
.page-about .about-cta{
  margin-top: clamp(2rem, 6vw, 3.6rem);
  padding: clamp(1.8rem, 5vw, 3rem) clamp(1.2rem, 4vw, 2.4rem);
  background:
    linear-gradient(118deg, rgba(53, 242, 223, .13), transparent 56%),
    var(--carbon);
  border-top: 1px solid var(--line-strong);
  position: relative;
  overflow: hidden;
}

.page-about .about-cta::after{
  content: "";
  position: absolute;
  right: -60px;
  bottom: -80px;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle, rgba(255, 79, 216, .16), transparent 66%);
  pointer-events: none;
}

.page-about .about-cta__inner{
  position: relative;
}

.page-about .about-cta h2{
  margin: 0;
  color: var(--ice);
  font-family: var(--font-display);
  font-weight: 250;
  font-size: clamp(1.5rem, 4.4vw, 2.2rem);
  line-height: 1.2;
  letter-spacing: -.02em;
}

.page-about .about-cta p{
  margin: .8rem 0 0;
  max-width: 56ch;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--ice-soft);
}

.page-about .about-cta__links{
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1.6rem;
}

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