.page-about {
  --about-panel: rgba(18, 42, 63, .52);
  --about-panel-soft: rgba(18, 42, 63, .32);
  position: relative;
  overflow-x: clip;
  background: var(--ink-950);
  color: var(--mist);
}

.page-about .about-hero {
  position: relative;
  padding: clamp(20px, 4vw, 38px) 0 clamp(40px, 6vw, 76px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 92% -18%, rgba(0, 229, 199, .16), transparent 58%),
    radial-gradient(80% 70% at -8% 22%, rgba(242, 180, 65, .11), transparent 62%);
}

.page-about .breadcrumb {
  margin: 0 0 clamp(16px, 3vw, 28px);
}

.page-about .kicker {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .3em;
  color: var(--cyan);
}

.page-about .hero-grid {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
}

.page-about h1 {
  margin: 0 0 16px;
  font-size: clamp(30px, 6.2vw, 60px);
  line-height: 1.06;
  letter-spacing: -.035em;
  font-weight: 900;
  color: var(--mist-strong);
}

.page-about .lede {
  max-width: 40ch;
  margin: 0 0 clamp(18px, 3vw, 26px);
  color: var(--mist-dim);
  line-height: 1.78;
}

.page-about .hero-years {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 clamp(18px, 3vw, 26px);
  font-family: var(--font-mono);
}

.page-about .year-past {
  font-size: clamp(38px, 9vw, 82px);
  font-weight: 700;
  line-height: .9;
  letter-spacing: -.05em;
  color: var(--gold);
}

.page-about .year-axis {
  position: relative;
  flex: 1 1 48px;
  min-width: 40px;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), var(--cyan));
}

.page-about .year-axis::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  transform: translateY(-50%);
  box-shadow: 0 0 0 5px rgba(0, 229, 199, .16);
}

.page-about .year-now {
  font-size: clamp(15px, 3vw, 20px);
  letter-spacing: .12em;
  color: var(--cyan-soft);
}

.page-about .hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0 0 clamp(20px, 3vw, 28px);
}

.page-about .stat {
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--about-panel);
}

.page-about .stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(19px, 3.2vw, 25px);
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: -.02em;
}

.page-about .stat-label {
  display: block;
  margin-top: 4px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--mist-dim);
}

.page-about .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

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

.page-about .hero-visual img,
.page-about .team-figure img,
.page-about .rights-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: inherit;
}

.page-about .media-frame {
  overflow: hidden;
  border: 1px solid var(--line-cyan);
  border-radius: var(--r-xl);
  background: var(--ink-800);
}

.page-about .media-frame figcaption {
  padding: 12px 16px 14px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--mist-dim);
  border-top: 1px solid var(--line);
}

.page-about .hero-annot {
  display: none;
}

.page-about .about-rail {
  position: sticky;
  top: var(--header-h);
  z-index: 6;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(7, 19, 31, .97), rgba(7, 19, 31, .84));
  backdrop-filter: blur(8px);
  scrollbar-width: none;
}

.page-about .about-rail::-webkit-scrollbar {
  display: none;
}

.page-about .about-rail a {
  flex: 0 0 auto;
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--mist-dim);
  text-decoration: none;
  white-space: nowrap;
  transition: color .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease);
}

.page-about .about-rail a:hover,
.page-about .about-rail a.is-active {
  color: var(--ink-950);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-about .about-section {
  position: relative;
  padding: clamp(38px, 6vw, 74px) 0;
  border-bottom: 1px solid var(--line);
}

.page-about .section-head {
  margin: 0 0 clamp(20px, 3vw, 32px);
}

.page-about .chapter-no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(28px, 5vw, 46px);
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--gold);
  letter-spacing: -.02em;
}

.page-about h2 {
  margin: 10px 0 12px;
  font-size: clamp(23px, 3.9vw, 38px);
  line-height: 1.18;
  letter-spacing: -.025em;
  color: var(--mist-strong);
}

.page-about h3 {
  margin: 0 0 8px;
  font-size: clamp(16px, 2.2vw, 19px);
  line-height: 1.4;
  color: var(--mist-strong);
}

.page-about .section-sub {
  max-width: 56ch;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist-dim);
}

.page-about .split {
  display: grid;
  gap: clamp(20px, 3vw, 38px);
}

.page-about .split-main p {
  max-width: 46ch;
  margin: 0 0 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-about .node-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-about .node-list li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-about .node-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .56em;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 1px solid var(--cyan);
  background: rgba(0, 229, 199, .22);
}

.page-about .node-list--tight li {
  font-size: 13.5px;
}

.page-about .signal-card {
  position: relative;
  padding: clamp(20px, 3.4vw, 30px);
  border: 1px solid var(--line-cyan);
  border-radius: var(--r-xl);
  background:
    radial-gradient(120% 100% at 100% 0%, rgba(0, 229, 199, .14), transparent 62%),
    var(--about-panel);
}

.page-about .signal-mark {
  display: block;
  width: 46px;
  height: 46px;
  margin-bottom: 16px;
  border-radius: 50%;
  border: 1px solid var(--cyan);
  box-shadow: 0 0 0 8px rgba(0, 229, 199, .07), 0 0 0 17px rgba(0, 229, 199, .04);
}

.page-about .signal-quote {
  margin: 0 0 12px;
  font-size: clamp(17px, 2.6vw, 21px);
  line-height: 1.62;
  color: var(--mist-strong);
}

.page-about .signal-source {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-about .timeline {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), var(--gold), rgba(215, 230, 234, .1));
}

.page-about .tl-item {
  position: relative;
  padding: 0 0 26px 38px;
}

.page-about .tl-item:last-child {
  padding-bottom: 0;
}

.page-about .tl-item::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 6px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  border: 2px solid var(--cyan);
  background: var(--ink-950);
  box-shadow: 0 0 0 4px rgba(0, 229, 199, .12);
}

.page-about .tl-year {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .08em;
  color: var(--gold);
}

.page-about .tl-item p {
  margin: 0;
  max-width: 52ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mist-dim);
}

.page-about .team-figure {
  margin: 0 0 clamp(20px, 3vw, 32px);
}

.page-about .team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-about .team-card {
  padding: 20px 20px 22px;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--about-panel-soft);
}

.page-about .team-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--mist-dim);
}

.page-about .team-no {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--cyan-soft);
}

.page-about .rights-figure {
  margin: 0;
}

.page-about .details {
  margin-top: 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--about-panel-soft);
  overflow: hidden;
}

.page-about .summary {
  padding: 14px 16px;
  cursor: pointer;
  font-size: 14.5px;
  color: var(--gold);
}

.page-about .details-body {
  padding: 0 16px 16px;
}

.page-about .details-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--mist-dim);
}

.page-about .rights-table {
  margin-top: clamp(20px, 3vw, 32px);
  border: 1px solid var(--line-cyan);
  border-radius: var(--r-lg);
  background: var(--about-panel);
  overflow-x: auto;
}

.page-about .table-caption {
  padding: 12px 16px 0;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--mist-dim);
}

.page-about .data-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 13.5px;
}

.page-about .data-table th,
.page-about .data-table td {
  padding: 12px 16px;
  text-align: left;
  vertical-align: top;
  line-height: 1.66;
  border-bottom: 1px solid var(--line);
}

.page-about .data-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--ink-800);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--cyan-soft);
}

.page-about .data-table tbody th {
  color: var(--gold);
  font-weight: 700;
  white-space: nowrap;
}

.page-about .data-table tbody td {
  color: var(--mist);
}

.page-about .data-table tbody tr:last-child th,
.page-about .data-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-about .section-tail {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist-dim);
}

.page-about .section-tail a {
  color: var(--cyan-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-about .flow {
  display: grid;
  gap: 14px;
}

.page-about .flow-step {
  padding: 18px;
  border: 1px dashed rgba(0, 229, 199, .34);
  border-radius: var(--r-lg);
  background: rgba(0, 229, 199, .05);
}

.page-about .flow-step p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.74;
  color: var(--mist-dim);
}

.page-about .flow-no {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-about .partner-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(18px, 3vw, 28px);
}

.page-about .about-section--contact {
  border-bottom: 0;
}

.page-about .contact-panel {
  display: grid;
  gap: clamp(18px, 3vw, 30px);
  padding: clamp(20px, 4vw, 34px);
  border: 1px solid var(--line-cyan);
  border-radius: var(--r-xl);
  background:
    radial-gradient(110% 100% at 0% 0%, rgba(0, 229, 199, .13), transparent 58%),
    linear-gradient(160deg, rgba(11, 27, 43, .92), rgba(7, 19, 31, .96));
}

.page-about .contact-list {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-about .contact-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-about .contact-item:last-of-type {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-about .contact-label {
  flex: 0 0 72px;
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--mist-dim);
}

.page-about .contact-value {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--mist-strong);
  word-break: break-word;
}

.page-about .contact-value--mono {
  font-family: var(--font-mono);
  color: var(--cyan-soft);
}

.page-about .contact-hours {
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--gold);
}

.page-about .copy-chip {
  padding: 5px 12px;
  border: 1px solid var(--line-cyan);
  border-radius: var(--r-pill);
  background: transparent;
  font-size: 12px;
  color: var(--cyan-soft);
  cursor: pointer;
  transition: background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
}

.page-about .copy-chip:hover,
.page-about .copy-chip.is-copied {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink-950);
}

.page-about .contact-side {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: rgba(7, 19, 31, .55);
}

.page-about .contact-side h3 {
  font-size: 16px;
}

.page-about .contact-side .node-list {
  margin-top: 12px;
}

.page-about .contact-note {
  margin: 14px 0 16px;
  font-size: 13px;
  line-height: 1.72;
  color: var(--mist-dim);
}

.page-about .about-legal {
  margin: 20px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist-dim);
}

.page-about .copy-status {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

@media (min-width: 640px) {
  .page-about .hero-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

@media (min-width: 900px) {
  .page-about .hero-grid {
    grid-template-columns: 1.08fr .92fr;
    align-items: start;
  }

  .page-about .hero-visual {
    margin-top: clamp(10px, 2.6vw, 34px);
  }

  .page-about .hero-annot {
    display: block;
    position: absolute;
    left: -20px;
    top: 10px;
    writing-mode: vertical-rl;
    font-size: 11.5px;
    letter-spacing: .34em;
    color: var(--gold);
  }

  .page-about .split {
    grid-template-columns: 1.05fr .95fr;
    align-items: start;
  }

  .page-about .split--rights {
    grid-template-columns: 1.1fr .9fr;
  }

  .page-about .timeline::before {
    left: 146px;
  }

  .page-about .tl-item {
    padding: 0 0 34px 190px;
    min-height: 84px;
  }

  .page-about .tl-item::before {
    left: 140px;
    top: 4px;
  }

  .page-about .tl-year {
    position: absolute;
    left: 0;
    top: 0;
    width: 122px;
    text-align: right;
    font-size: 15px;
  }

  .page-about .contact-panel {
    grid-template-columns: 1.05fr .95fr;
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-about .team-grid {
    gap: 22px 26px;
  }

  .page-about .team-grid > :nth-child(2) {
    margin-top: 30px;
  }

  .page-about .team-grid > :nth-child(4) {
    margin-top: 30px;
  }

  .page-about .about-rail {
    gap: 10px;
  }
}
<<<END>>>