.page-about {
  --tl-pad: clamp(18px, 3vw, 34px);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--body-font);
  overflow-x: clip;
}

.page-about [hidden] {
  display: none !important;
}

.page-about h1,
.page-about h2,
.page-about h3 {
  font-family: var(--body-font);
  letter-spacing: -0.02em;
  margin: 0;
}

.page-about h1 {
  font-size: clamp(32px, 6.4vw, 68px);
  font-weight: 900;
  line-height: 1.06;
  margin: 14px 0 0;
}

.page-about h2 {
  font-size: clamp(24px, 3.6vw, 38px);
  font-weight: 800;
  line-height: 1.18;
  margin: 10px 0 16px;
}

.page-about h3 {
  font-size: clamp(17px, 1.6vw, 22px);
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 8px;
}

.page-about p {
  margin: 0 0 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-about .about-num {
  font-family: var(--mono-font);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

/* ---------- HERO ---------- */
.about-hero {
  position: relative;
  padding-top: clamp(104px, 14vw, 160px);
  background:
    radial-gradient(120% 90% at 88% -10%, rgba(86, 199, 242, 0.20), transparent 62%),
    linear-gradient(158deg, var(--ink-2) 0%, var(--ink) 58%);
  overflow: hidden;
}

.about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(88% 74% at 28% 16%, #000 0%, transparent 76%);
  mask-image: radial-gradient(88% 74% at 28% 16%, #000 0%, transparent 76%);
  pointer-events: none;
}

.about-hero__inner {
  position: relative;
  display: grid;
  gap: clamp(30px, 5vw, 56px);
  align-items: center;
  padding-bottom: clamp(36px, 5vw, 60px);
}

.about-hero__lead {
  font-size: clamp(15px, 1.5vw, 18px);
  max-width: 52ch;
  color: var(--paper);
  opacity: 0.86;
  margin-top: 18px;
}

.about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.about-hero__figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--line-strong);
  background: var(--ink-2);
}

.about-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(1.05) contrast(1.04);
}

.about-hero__caption {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  padding: 12px 14px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
  border-top: 1px solid var(--line);
  background: rgba(7, 24, 46, 0.86);
}

.about-hero__caption-num {
  color: var(--orange);
  font-size: 16px;
  font-weight: 700;
}

.about-strip__wrap {
  position: relative;
  padding-bottom: clamp(36px, 5vw, 56px);
}

.about-strip {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line-strong);
}

.about-strip li {
  display: grid;
  gap: 6px;
  padding: clamp(14px, 2.6vw, 22px) clamp(12px, 2vw, 20px);
  background: var(--ink);
}

.about-strip__num {
  font-size: clamp(20px, 2.6vw, 30px);
  font-weight: 700;
  color: var(--ice);
  line-height: 1.1;
}

.about-strip__label {
  font-size: 12.5px;
  color: var(--mist);
  letter-spacing: 0.02em;
}

/* ---------- JUMP INDEX ---------- */
.about-jump {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--ink-2);
}

.about-jump__list {
  list-style: none;
  margin: 0 auto;
  padding-top: 0;
  padding-bottom: 0;
  display: flex;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: thin;
}

.about-jump__list li {
  flex: 0 0 auto;
  border-right: 1px solid var(--line);
}

.about-jump__list a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 15px clamp(12px, 2vw, 22px);
  font-size: 13.5px;
  color: var(--mist);
  text-decoration: none;
  white-space: nowrap;
  transition: color 160ms var(--ease), background-color 160ms var(--ease);
}

.about-jump__list a .about-num {
  font-size: 11px;
  color: var(--steel);
  letter-spacing: 0.08em;
}

.about-jump__list a:hover,
.about-jump__list a:focus-visible {
  color: var(--cyan);
  background: rgba(110, 247, 222, 0.06);
}

/* ---------- ORIGIN ---------- */
.about-origin {
  border-bottom: 1px solid var(--line);
}

.about-origin__inner {
  display: grid;
  gap: clamp(22px, 4vw, 48px);
}

.about-origin__rail {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.about-origin__year {
  font-size: clamp(40px, 7vw, 88px);
  font-weight: 700;
  line-height: 0.9;
  color: transparent;
  -webkit-text-stroke: 1px var(--ice);
  opacity: 0.7;
}

.about-origin__body p {
  max-width: 66ch;
  font-size: clamp(15px, 1.4vw, 17px);
}

.about-facts {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.about-facts li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 16px 18px;
  background: var(--ink);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--paper);
}

.about-facts__num {
  color: var(--orange);
  font-size: 12px;
  padding-top: 3px;
}

/* ---------- TIMELINE ---------- */
.page-about .bb-filter {
  list-style: none;
  margin: 0 0 clamp(24px, 3.5vw, 38px);
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .bb-filter__btn {
  font-family: var(--mono-font);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  cursor: pointer;
}

.page-about .bb-filter__btn[aria-pressed="true"] {
  border-color: var(--cyan);
  color: var(--cyan);
}

.about-timeline__list {
  list-style: none;
  margin: 0 0 0 5px;
  padding: 0 0 0 var(--tl-pad);
  border-left: 1px solid var(--line-strong);
  display: grid;
  gap: clamp(18px, 2.6vw, 30px);
}

.about-node {
  position: relative;
  display: grid;
  gap: 10px;
}

.about-node::before {
  content: "";
  position: absolute;
  top: 8px;
  left: calc(-1 * var(--tl-pad) - 5px);
  width: 9px;
  height: 9px;
  border: 1px solid var(--ice);
  border-radius: 50%;
  background: var(--ink);
  box-shadow: 0 0 0 4px rgba(86, 199, 242, 0.10);
}

.about-node__meta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.about-node__year {
  font-size: 15px;
  font-weight: 700;
  color: var(--ice);
}

.about-node__card {
  padding: clamp(16px, 2.4vw, 24px);
}

.about-node__card p {
  margin-bottom: 0;
  font-size: 14.5px;
  max-width: 62ch;
}

.about-node__link {
  display: inline-block;
  margin-top: 14px;
  font-size: 13.5px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(110, 247, 222, 0.45);
  padding-bottom: 2px;
}

.about-node__link:hover,
.about-node__link:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ---------- PRODUCE ---------- */
.about-produce {
  background: linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.about-produce__layout {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.about-produce__media {
  margin: 0;
  border: 1px solid var(--line-strong);
  background: var(--ink);
}

.about-produce__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.about-produce__media figcaption {
  padding: 11px 14px;
  font-size: 12.5px;
  color: var(--mist);
  border-top: 1px solid var(--line);
}

.about-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.about-flow__step {
  position: relative;
  padding: clamp(16px, 2.4vw, 24px);
  background: var(--ink);
  border-left: 2px solid transparent;
  transition: border-color 180ms var(--ease), background-color 180ms var(--ease);
}

.about-flow__step:hover,
.about-flow__step:focus-within {
  border-left-color: var(--orange);
  background: var(--ink-2);
}

.about-flow__num {
  display: block;
  font-size: 12.5px;
  color: var(--orange);
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.about-flow__step h3 {
  font-size: 17px;
  color: var(--paper);
}

.about-flow__step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
}

.about-lanes {
  list-style: none;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.about-lane {
  padding: clamp(18px, 2.6vw, 26px);
  background: var(--ink-2);
}

.about-lane h3 {
  margin-top: 12px;
  color: var(--paper);
}

.about-lane p {
  font-size: 14px;
  margin-bottom: 12px;
}

.about-lane__metric {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  color: var(--mist);
  font-family: var(--mono-font);
}

.about-lane__metric .about-num {
  font-size: 18px;
  font-weight: 700;
  color: var(--amber);
  margin-right: 4px;
}

/* ---------- TEAM ---------- */
.about-team {
  position: relative;
  background: var(--ink-2);
  padding-top: clamp(72px, 10vw, 120px);
  overflow: hidden;
}

.about-team::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: clamp(46px, 7vw, 92px);
  background: var(--ink);
  clip-path: polygon(0 0, 100% 0, 0 100%);
  pointer-events: none;
}

.about-team__inner {
  position: relative;
  display: grid;
  gap: clamp(28px, 4.5vw, 56px);
  align-items: start;
}

.about-team__intro p {
  max-width: 58ch;
  font-size: clamp(14.5px, 1.4vw, 16.5px);
}

.about-team__link {
  display: inline-block;
  margin-top: 6px;
  font-size: 13.5px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(110, 247, 222, 0.4);
  padding-bottom: 2px;
}

.about-team__link:hover,
.about-team__link:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.about-team__chart {
  border: 1px solid var(--line-strong);
  padding: clamp(16px, 2.6vw, 26px);
  background: rgba(7, 24, 46, 0.55);
}

.about-team__chart-title {
  font-family: var(--mono-font);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
  margin-bottom: 20px;
}

.about-team__chart-title .about-num {
  color: var(--orange);
  font-size: 14px;
  font-weight: 700;
}

.about-bars {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.about-bar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  outline: none;
}

.about-bar:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.about-bar__label {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--paper);
}

.about-bar__num {
  font-size: 18px;
  font-weight: 700;
  color: var(--ice);
  line-height: 1;
}

.about-bar__track {
  grid-column: 1 / -1;
  height: 8px;
  background: rgba(185, 203, 217, 0.14);
  overflow: hidden;
}

.about-bar__fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--ice), var(--cyan));
  transition: filter 180ms var(--ease), transform 180ms var(--ease);
  transform-origin: left center;
}

.about-bar__fill--a { width: 42.9%; }
.about-bar__fill--b { width: 33.3%; background: linear-gradient(90deg, var(--ice), var(--amber)); }
.about-bar__fill--c { width: 23.8%; background: linear-gradient(90deg, var(--steel), var(--ice)); }

.about-bar__note {
  grid-column: 1 / -1;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--mist);
  border-left: 2px solid transparent;
  padding-left: 0;
  transition: color 160ms var(--ease), border-color 160ms var(--ease), padding-left 160ms var(--ease);
}

.about-bar:hover .about-bar__note,
.about-bar:focus .about-bar__note,
.about-bar:focus-visible .about-bar__note {
  color: var(--amber);
  border-left-color: var(--orange);
  padding-left: 10px;
}

.about-bar:hover .about-bar__fill,
.about-bar:focus .about-bar__fill {
  filter: brightness(1.18);
}

/* ---------- PARTNERS ---------- */
.about-partners {
  border-top: 1px solid var(--line);
}

.about-partners__grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line-strong);
}

.about-partner {
  padding: clamp(18px, 2.6vw, 26px);
  background:
    radial-gradient(circle at 90% 10%, rgba(86, 199, 242, 0.10), transparent 55%),
    var(--ink);
}

.about-partner__count {
  font-size: 12px;
  color: var(--mist);
  margin-bottom: 10px;
  letter-spacing: 0.04em;
}

.about-partner__count .about-num {
  font-size: 26px;
  font-weight: 700;
  color: var(--orange);
  margin-right: 4px;
}

.about-partner h3 {
  font-size: 18px;
  color: var(--paper);
}

.about-partner p {
  font-size: 14px;
  margin-bottom: 0;
}

.about-partner__link {
  display: inline-block;
  margin-top: 14px;
  font-size: 13.5px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(110, 247, 222, 0.4);
  padding-bottom: 2px;
}

.about-partner__link:hover,
.about-partner__link:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.about-partners__media {
  margin: clamp(26px, 3.5vw, 40px) 0 0;
  border: 1px solid var(--line-strong);
  position: relative;
}

.about-partners__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.about-partners__media figcaption {
  padding: 11px 14px;
  font-size: 12.5px;
  color: var(--mist);
  border-top: 1px solid var(--line);
  background: var(--ink-2);
}

/* ---------- PROOF ---------- */
.about-proof {
  background:
    radial-gradient(90% 80% at 12% 100%, rgba(61, 44, 107, 0.45), transparent 60%),
    var(--ink-2);
  border-top: 1px solid var(--line-strong);
}

.about-proof__inner {
  display: grid;
  gap: clamp(28px, 4.5vw, 52px);
  align-items: start;
}

.about-proof__lead p {
  max-width: 58ch;
  font-size: clamp(14.5px, 1.4vw, 16.5px);
}

.about-proof__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.about-proof__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line-strong);
}

.about-proof__list li {
  display: grid;
  gap: 6px;
  padding: clamp(14px, 2.2vw, 20px);
  background: var(--ink);
}

.about-proof__key {
  font-family: var(--mono-font);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.about-proof__val {
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper);
}

/* ---------- RESPONSIVE ---------- */
@media (min-width: 720px) {
  .about-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

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

@media (min-width: 960px) {
  .about-hero__inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  }

  .about-hero__figure {
    clip-path: polygon(7% 0, 100% 0, 100% 100%, 0 100%);
    padding-top: 26px;
  }

  .about-origin__inner {
    grid-template-columns: minmax(150px, 200px) minmax(0, 1fr);
    align-items: start;
  }

  .about-origin__rail {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    border-bottom: none;
    border-left: 1px solid var(--line-strong);
    padding: 0 0 0 16px;
  }

  .about-origin__year {
    font-size: clamp(48px, 5vw, 76px);
  }

  .about-node {
    grid-template-columns: 138px minmax(0, 1fr);
    column-gap: 30px;
    align-items: start;
  }

  .about-node__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding-top: 4px;
  }

  .about-produce__layout {
    grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  }

  .about-produce__media {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .about-team__inner {
    grid-template-columns: minmax(0, 0.94fr) minmax(0, 1.06fr);
  }

  .about-proof__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.86fr);
  }

  .about-partners__media img {
    aspect-ratio: 21 / 9;
  }
}

@media (min-width: 1280px) {
  .about-partners__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}