.page-about {
  display: block;
  color: var(--c-mist);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: clip;
}

/* ---------- Hero ---------- */
.page-about .about-hero {
  position: relative;
  padding: clamp(24px, 5vw, 56px) 0 clamp(34px, 6vw, 68px);
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: -32%;
  right: -18%;
  width: min(780px, 92vw);
  height: min(780px, 92vw);
  background:
    radial-gradient(circle at 32% 34%, rgba(34, 211, 238, 0.20), transparent 62%),
    radial-gradient(circle at 68% 62%, rgba(168, 85, 247, 0.16), transparent 66%);
  pointer-events: none;
  z-index: 0;
}

.page-about .about-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(28px, 5vw, 48px);
}

.page-about .about-hero-title {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-size: clamp(32px, 6.2vw, 62px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--c-mist);
}

.page-about .about-hero-lede {
  margin-top: 18px;
  max-width: 46ch;
  color: rgba(229, 237, 247, 0.82);
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-about .about-stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.page-about .about-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface);
}

.page-about .about-stat-num {
  display: flex;
  align-items: baseline;
  gap: 3px;
  font-family: var(--font-mono);
  font-size: clamp(22px, 3.4vw, 30px);
  font-weight: 600;
  line-height: 1;
  color: var(--c-cyan);
}

.page-about .about-stat-unit {
  font-size: 0.5em;
  color: var(--c-cyan-soft);
}

.page-about .about-stat-label {
  font-size: 13px;
  line-height: 1.55;
  color: var(--c-steel);
}

/* ---------- Body layout ---------- */
.page-about .about-body {
  display: grid;
  gap: clamp(28px, 5vw, 52px);
  padding-bottom: clamp(40px, 7vw, 88px);
}

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

/* ---------- Rail ---------- */
.page-about .about-rail {
  min-width: 0;
}

.page-about .about-rail-figure {
  margin: 0 0 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--c-mid);
}

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

.page-about .about-rail-label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-steel);
}

.page-about .about-rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-about .about-rail-link {
  display: block;
  padding: 9px 12px 9px 16px;
  border-left: 2px solid var(--line);
  color: var(--c-steel);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-about .about-rail-link:hover,
.page-about .about-rail-link:focus-visible {
  color: var(--c-cyan-soft);
  border-left-color: var(--line-strong);
}

.page-about .about-rail-link.is-active {
  color: var(--c-mist);
  border-left-color: var(--c-cyan);
  background: linear-gradient(90deg, rgba(34, 211, 238, 0.16), transparent 88%);
}

/* ---------- Sections ---------- */
.page-about .about-block {
  padding: clamp(26px, 4vw, 40px) 0 clamp(30px, 4.5vw, 46px);
  border-top: 1px solid var(--line-soft);
}

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

.page-about .about-block-head {
  margin-bottom: 18px;
}

.page-about .about-h2 {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-size: clamp(25px, 3.6vw, 40px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--c-mist);
}

.page-about .about-text {
  margin: 0;
  max-width: 62ch;
  color: rgba(229, 237, 247, 0.82);
}

/* ---------- Grids & cards ---------- */
.page-about .about-grid-3,
.page-about .about-grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 24px;
}

.page-about .card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(18px, 2.6vw, 26px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--surface);
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-about .card:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-card);
}

.page-about .about-card-index {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--c-amber);
}

.page-about .card-title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--c-mist);
}

.page-about .card-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-steel);
}

/* ---------- Media ---------- */
.page-about .about-media {
  margin: 24px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--surface-2);
}

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

/* ---------- Metrics ---------- */
.page-about .about-metrics {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 20px;
}

.page-about .about-metric {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--c-cyan);
  border-radius: var(--r-sm);
  background: linear-gradient(150deg, rgba(34, 211, 238, 0.10), rgba(17, 26, 46, 0.5));
}

.page-about .about-metric-num {
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: clamp(24px, 3.6vw, 32px);
  font-weight: 600;
  line-height: 1;
  color: var(--c-cyan-soft);
}

.page-about .about-metric-unit {
  font-size: 0.46em;
  color: var(--c-steel);
}

.page-about .about-metric-label {
  font-size: 13px;
  line-height: 1.55;
  color: var(--c-steel);
}

/* ---------- Timeline ---------- */
.page-about .about-timeline {
  list-style: none;
  margin: 26px 0 0;
  padding: 0 0 0 26px;
  position: relative;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(180deg, var(--c-cyan), rgba(168, 85, 247, 0.35) 62%, rgba(34, 211, 238, 0.08));
}

.page-about .about-step {
  position: relative;
  padding-bottom: 26px;
}

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

.page-about .about-step::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--c-ink);
  border: 2px solid var(--c-cyan);
}

.page-about .about-step[data-state="now"]::before {
  background: var(--c-amber);
  border-color: var(--c-amber);
  box-shadow: 0 0 0 5px rgba(245, 185, 66, 0.14);
}

.page-about .about-step-index {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--c-cyan);
}

.page-about .about-step[data-state="now"] .about-step-index {
  color: var(--c-amber);
}

.page-about .about-step-title {
  margin: 6px 0 6px;
  font-family: var(--font-head);
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 700;
  line-height: 1.32;
  color: var(--c-mist);
}

.page-about .about-step-text {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.72;
  color: var(--c-steel);
}

/* ---------- Tabs ---------- */
.page-about .about-tabs {
  margin-top: 26px;
}

.page-about .pill-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .pill-tab {
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: transparent;
  color: var(--c-steel);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: color 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-about .pill-tab:hover {
  color: var(--c-cyan-soft);
  border-color: var(--line-strong);
}

.page-about .pill-tab[aria-selected="true"] {
  color: var(--c-ink);
  background: var(--c-cyan);
  border-color: var(--c-cyan);
}

.page-about .about-panel {
  margin-top: 16px;
  padding: clamp(16px, 2.4vw, 24px);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface-2);
}

.page-about .about-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-about .about-fact {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-about .about-fact-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-steel);
}

/* ---------- CTA ---------- */
.page-about .about-cta {
  padding: 0 0 clamp(36px, 6vw, 72px);
}

.page-about .about-cta-card {
  position: relative;
  padding: clamp(26px, 4.5vw, 48px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    radial-gradient(circle at 88% 12%, rgba(168, 85, 247, 0.22), transparent 58%),
    radial-gradient(circle at 6% 88%, rgba(34, 211, 238, 0.18), transparent 60%),
    var(--surface-2);
  overflow: hidden;
}

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

/* ---------- Responsive ---------- */
@media (min-width: 620px) {
  .page-about .about-grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

@media (min-width: 900px) {
  .page-about .about-hero-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: end;
  }

  .page-about .about-rail-figure {
    margin-bottom: 26px;
  }
}

@media (min-width: 1000px) {
  .page-about .about-body {
    grid-template-columns: 264px minmax(0, 1fr);
    gap: 56px;
  }

  .page-about .about-rail {
    position: sticky;
    top: 104px;
    align-self: start;
    max-height: calc(100vh - 132px);
    overflow-y: auto;
    scrollbar-width: thin;
  }

  .page-about .about-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1240px) {
  .page-about .about-timeline {
    padding-left: 32px;
  }

  .page-about .about-step::before {
    left: -32px;
  }
}
<<<END>>>