.page-about {
  --about-gutter: clamp(1rem, 4vw, 2.5rem);
  color: var(--c-paper);
  background: var(--c-deep);
}

/* hero */
.page-about .about-hero {
  position: relative;
  padding: clamp(2.5rem, 6vw, 4.5rem) 0 clamp(2rem, 4vw, 3rem);
  background:
    radial-gradient(ellipse 80% 60% at 75% 15%, rgba(61,245,255,.13), transparent 60%),
    radial-gradient(ellipse 60% 55% at 15% 90%, rgba(255,107,53,.09), transparent 60%),
    var(--c-deep);
  overflow: hidden;
}
.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--c-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--c-line) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: .35;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 90% 70% at 60% 40%, #000 30%, transparent 75%);
}
.page-about .about-hero__inner {
  position: relative;
  z-index: 1;
}
.page-about .breadcrumb {
  margin-bottom: 1.5rem;
}
.page-about .breadcrumb__item {
  color: var(--c-fog);
}
.page-about .breadcrumb__link {
  color: var(--c-fog);
  text-decoration: none;
}
.page-about .breadcrumb__link:hover { color: var(--c-cyan); }

.page-about .about-hero__frame {
  position: relative;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-organic);
  padding: clamp(1.5rem, 4vw, 3rem);
  background: linear-gradient(160deg, var(--c-glass), transparent 70%);
  max-width: 68rem;
}
.page-about .about-hero__frame::before,
.page-about .about-hero__frame::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border: 2px solid var(--c-cyan);
  opacity: .7;
}
.page-about .about-hero__frame::before {
  top: -2px; left: -2px;
  border-right: 0; border-bottom: 0;
}
.page-about .about-hero__frame::after {
  bottom: -2px; right: -2px;
  border-left: 0; border-top: 0;
}
.page-about .about-hero__tag {
  font-size: .75rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-cyan);
  margin: 0 0 1rem;
}
.page-about .about-hero__title {
  font-family: var(--font-heading);
  font-weight: 800;
  text-transform: uppercase;
  line-height: 1.02;
  letter-spacing: -.02em;
  font-size: clamp(2.4rem, 7vw, 5.6rem);
  color: var(--c-paper);
  margin: 0 0 1.25rem;
}
.page-about .about-hero__title .accent {
  color: var(--c-cyan);
}
.page-about .about-hero__lede {
  font-size: var(--step-body);
  line-height: 1.75;
  color: var(--c-paper-soft);
  max-width: 44rem;
  margin: 0 0 1.75rem;
}
.page-about .about-hero__facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem 1.5rem;
  border-top: 1px solid var(--c-line);
  padding-top: 1.25rem;
}
.page-about .about-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: .5rem;
}
.page-about .about-hero__num {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--c-cyan);
}
.page-about .about-hero__fact-label {
  font-size: .8rem;
  color: var(--c-fog);
}

/* layout */
.page-about .about-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding-bottom: clamp(3rem, 6vw, 5rem);
}
.page-about .about-rail {
  display: none;
}
.page-about .about-body {
  display: flex;
  flex-direction: column;
  gap: clamp(2.75rem, 6vw, 5rem);
  min-width: 0;
}
.page-about .about-sec {
  scroll-margin-top: 5rem;
}
.page-about .about-sec__header {
  margin-bottom: 1.75rem;
}
.page-about .eyebrow {
  font-size: .72rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--c-orange);
  margin: 0 0 .6rem;
}
.page-about .section-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.6rem, 3.4vw, 2.6rem);
  line-height: 1.1;
  color: var(--c-paper);
  margin: 0 0 .85rem;
  letter-spacing: -.01em;
}
.page-about .lede {
  color: var(--c-paper-soft);
  font-size: var(--step-body);
  line-height: 1.7;
  max-width: 46rem;
  margin: 0;
}

/* origin */
.page-about .about-origin {
  align-items: start;
  gap: 1.75rem;
}
.page-about .about-origin__text p {
  margin: 0 0 1rem;
  line-height: 1.8;
  color: var(--c-paper-mid);
  font-size: var(--step-body);
}
.page-about .about-origin__media {
  margin: 0;
}
.page-about .media-frame {
  border: 1px solid var(--c-line);
  border-radius: var(--radius-cut);
  overflow: hidden;
  background: var(--c-midnight);
}
.page-about .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-about .media-frame__caption {
  font-size: .78rem;
  color: var(--c-fog);
  padding: .7rem .9rem;
  border-top: 1px solid var(--c-line);
  background: rgba(0,0,0,.2);
}
.page-about .about-origin__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 1.5rem;
}
.page-about .panel {
  background: var(--c-glass);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-cut);
  padding: 1.1rem 1.15rem;
}
.page-about .about-mini__k {
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-cyan);
  margin: 0 0 .5rem;
}
.page-about .about-mini__v {
  margin: 0;
  font-size: .95rem;
  line-height: 1.65;
  color: var(--c-paper-soft);
}

/* timeline */
.page-about .about-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .9rem;
}
.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 4.6rem;
  top: .6rem;
  bottom: .6rem;
  width: 1px;
  background: linear-gradient(180deg, var(--c-cyan), var(--c-line) 30%, var(--c-line));
  opacity: .6;
}
.page-about .about-timeline__item {
  position: relative;
  padding-left: 0;
}
.page-about .about-node {
  border: 1px solid var(--c-line);
  border-radius: var(--radius-cut);
  background: linear-gradient(150deg, rgba(17,27,58,.9), rgba(11,16,38,.9));
  transition: border-color .2s ease, transform .2s ease;
}
.page-about .about-node:hover {
  border-color: rgba(61,245,255,.45);
}
.page-about .about-node[open] {
  border-color: rgba(61,245,255,.55);
  box-shadow: var(--shadow-lift);
}
.page-about .about-node__summary {
  display: grid;
  grid-template-columns: 3.2rem 1fr auto;
  align-items: center;
  gap: .75rem;
  padding: .95rem 1rem;
  cursor: pointer;
  list-style: none;
}
.page-about .about-node__summary::-webkit-details-marker { display: none; }
.page-about .about-node__year {
  font-size: 1rem;
  font-weight: 700;
  color: var(--c-cyan);
  letter-spacing: .02em;
}
.page-about .about-node__title {
  font-family: var(--font-heading);
  font-size: clamp(1rem, 2.2vw, 1.2rem);
  font-weight: 700;
  color: var(--c-paper);
  line-height: 1.25;
}
.page-about .about-node__dot {
  width: 11px;
  height: 11px;
  display: inline-block;
}
.page-about .about-node__body {
  padding: 0 1rem 1.1rem 4.95rem;
}
.page-about .about-node__body p {
  margin: 0;
  font-size: .95rem;
  line-height: 1.75;
  color: var(--c-paper-soft);
}
.page-about .about-timeline__note {
  margin: 1.25rem 0 0;
  font-size: .92rem;
  color: var(--c-fog);
}
.page-about a.accent {
  color: var(--c-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-about a.accent:hover { color: var(--c-orange); }

/* team */
.page-about .about-team {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}
.page-about .about-team__chart {
  background: linear-gradient(170deg, var(--c-midnight), var(--c-deep));
  border: 1px solid var(--c-line);
  border-radius: var(--radius-organic);
  padding: 1.5rem 1.25rem;
}
.page-about .about-team__figure {
  display: flex;
  align-items: baseline;
  gap: .75rem;
  padding-bottom: 1.1rem;
  margin-bottom: 1.1rem;
  border-bottom: 1px solid var(--c-line);
}
.page-about .about-team__big {
  font-size: clamp(2.6rem, 7vw, 4rem);
  font-weight: 700;
  color: var(--c-orange);
  line-height: 1;
}
.page-about .about-team__biglabel {
  font-size: .82rem;
  color: var(--c-fog);
  letter-spacing: .06em;
}
.page-about .about-team__bars {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: .9rem;
}
.page-about .about-bar {
  display: grid;
  grid-template-columns: 5.2rem 1fr 2rem;
  align-items: center;
  gap: .7rem;
}
.page-about .about-bar__label {
  font-size: .85rem;
  color: var(--c-paper-soft);
}
.page-about .about-bar__track {
  display: block;
  height: 8px;
  border-radius: 999px;
  background: rgba(30,42,74,.9);
  overflow: hidden;
}
.page-about .about-bar__fill {
  display: block;
  height: 100%;
  width: var(--w, 20%);
  border-radius: 999px;
  background: linear-gradient(90deg, var(--c-cyan), rgba(61,245,255,.35));
  transition: width .3s ease;
}
.page-about .about-bar:nth-child(3) .about-bar__fill {
  background: linear-gradient(90deg, var(--c-grass), rgba(47,191,113,.35));
}
.page-about .about-bar:nth-child(5) .about-bar__fill {
  background: linear-gradient(90deg, var(--c-orange), rgba(255,107,53,.35));
}
.page-about .about-bar__num {
  font-size: .95rem;
  font-weight: 700;
  color: var(--c-paper);
  text-align: right;
}
.page-about .about-team__notes {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  min-width: 0;
}
.page-about .about-team__media { margin: 0; }
.page-about .about-team__data {
  gap: .85rem;
}
.page-about .data-card {
  background: var(--c-glass);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-cut);
  padding: .9rem 1rem;
}
.page-about .data-card--accent {
  border-color: rgba(255,107,53,.55);
  background: linear-gradient(150deg, rgba(255,107,53,.12), var(--c-glass));
}
.page-about .data-card__label {
  margin: 0 0 .4rem;
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-fog);
}
.page-about .data-card__value {
  margin: 0;
  font-size: clamp(1.4rem, 3vw, 1.8rem);
  font-weight: 700;
  color: var(--c-cyan);
  line-height: 1.1;
}
.page-about .data-card--accent .data-card__value { color: var(--c-orange); }
.page-about .about-unit {
  font-family: var(--font-body);
  font-size: .7em;
  margin-left: .2em;
  color: var(--c-fog);
  font-weight: 400;
}
.page-about .about-team__para {
  margin: 0;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--c-paper-soft);
}

/* ecosystem */
.page-about .about-sec--eco {
  position: relative;
  background: linear-gradient(180deg, var(--c-midnight), var(--c-deep));
  border: 1px solid var(--c-line);
  border-radius: var(--radius-organic);
  padding: clamp(1.5rem, 4vw, 2.5rem);
}
.page-about .about-eco {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: center;
}
.page-about .about-eco__bg {
  margin: 0;
  opacity: .92;
}
.page-about .about-eco__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.page-about .about-eco__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .85rem;
  align-items: start;
  padding: .9rem 1rem;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-cut);
  background: rgba(11,16,38,.6);
}
.page-about .about-eco__mark {
  margin-top: .45rem;
  width: 10px;
  height: 10px;
}
.page-about .about-eco__name {
  font-size: .74rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-fog);
  margin: 0;
}
.page-about .about-eco__num {
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  font-weight: 700;
  color: var(--c-grass);
  margin: .15rem 0 .35rem;
  line-height: 1.1;
}
.page-about .about-eco__desc {
  margin: 0;
  font-size: .9rem;
  line-height: 1.65;
  color: var(--c-paper-soft);
}
.page-about .about-eco__cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .85rem;
  margin: 1.5rem 0 0;
  font-size: .95rem;
  color: var(--c-paper-soft);
}
.page-about .about-eco__btn {
  flex-shrink: 0;
}

/* coverage */
.page-about .about-coverage {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  align-items: start;
}
.page-about .about-coverage__text p {
  margin: 0 0 1rem;
  font-size: var(--step-body);
  line-height: 1.8;
  color: var(--c-paper-mid);
}
.page-about .about-metrics {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .85rem;
}
.page-about .about-metric {
  background: var(--c-glass);
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-cyan);
  border-radius: var(--radius-cut);
  padding: .9rem 1rem;
}
.page-about .about-metric__n {
  display: block;
  font-size: clamp(1.3rem, 3vw, 1.7rem);
  font-weight: 700;
  color: var(--c-paper);
  line-height: 1.15;
}
.page-about .about-metric__l {
  display: block;
  margin-top: .3rem;
  font-size: .78rem;
  color: var(--c-fog);
}
.page-about .about-badge {
  margin-top: 1.75rem;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: center;
  padding: 1rem 1.25rem;
  border: 1px dashed rgba(47,191,113,.55);
  border-radius: var(--radius-cut);
  background: rgba(47,191,113,.06);
}
.page-about .about-badge__tag {
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c-grass);
  margin: 0;
  white-space: nowrap;
}
.page-about .about-badge__text {
  margin: 0;
  font-size: .92rem;
  line-height: 1.65;
  color: var(--c-paper-soft);
}
.page-about .about-end {
  margin: 1.75rem 0 0;
  font-size: .95rem;
  color: var(--c-fog);
  line-height: 1.7;
}

/* status dot base */
.page-about .status-dot {
  border-radius: 50%;
  background: var(--c-fog);
  display: inline-block;
}
.page-about .status-dot--live { background: var(--c-grass); box-shadow: 0 0 0 3px rgba(47,191,113,.18); }
.page-about .status-dot--warn { background: var(--c-orange); box-shadow: 0 0 0 3px rgba(255,107,53,.16); }

/* responsive */
@media (min-width: 720px) {
  .page-about .about-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-about .about-origin__cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-about .about-team__data {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-about .about-eco {
    grid-template-columns: 1fr 1.1fr;
  }
  .page-about .about-coverage {
    grid-template-columns: 1.15fr 1fr;
  }
}

@media (min-width: 960px) {
  .page-about .about-layout {
    grid-template-columns: 14rem minmax(0, 1fr);
    gap: 3rem;
    align-items: start;
  }
  .page-about .about-rail {
    display: block;
    position: sticky;
    top: 5.5rem;
    padding: 1rem 0;
  }
  .page-about .about-rail__label {
    font-size: .7rem;
    letter-spacing: .18em;
    color: var(--c-fog);
    margin: 0 0 .9rem;
    padding-left: .75rem;
  }
  .page-about .about-rail__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: .15rem;
    border-left: 1px solid var(--c-line);
  }
  .page-about .about-rail__link {
    display: flex;
    align-items: baseline;
    gap: .55rem;
    padding: .55rem .75rem;
    color: var(--c-paper-soft);
    text-decoration: none;
    font-size: .9rem;
    border-left: 2px solid transparent;
    margin-left: -1px;
    transition: color .18s ease, border-color .18s ease, background .18s ease;
  }
  .page-about .about-rail__link .mono {
    font-size: .72rem;
    color: var(--c-cyan);
    opacity: .8;
  }
  .page-about .about-rail__link:hover {
    color: var(--c-paper);
    background: rgba(61,245,255,.05);
    border-left-color: var(--c-cyan);
  }
  .page-about .about-rail__link:focus-visible {
    outline: 2px solid var(--c-cyan);
    outline-offset: 2px;
  }
  .page-about .about-team {
    grid-template-columns: .9fr 1.1fr;
    gap: 2.25rem;
    align-items: start;
  }
  .page-about .about-origin {
    grid-template-columns: 1.05fr .95fr;
  }
  .page-about .about-timeline::before {
    left: 5.2rem;
  }
  .page-about .about-node__summary {
    grid-template-columns: 3.6rem 1fr auto;
    padding: 1.1rem 1.25rem;
  }
  .page-about .about-node__body {
    padding: 0 1.25rem 1.25rem 6.1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-node,
  .page-about .about-bar__fill,
  .page-about .about-rail__link {
    transition: none;
  }
}
</main>

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