.page-about {
  --rail-w: 214px;
  --about-dot: 12px;
  background: var(--sea);
  color: var(--mist);
  font-family: var(--font-sans);
}

.page-about .about-crumbs {
  padding-top: clamp(16px, 3vw, 28px);
}

.page-about .about-inline-link {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-about .about-inline-link:hover,
.page-about .about-inline-link:focus-visible {
  color: var(--gold);
}

/* ---------- hero ---------- */
.page-about .about-hero {
  padding: clamp(24px, 5vw, 56px) 0 clamp(28px, 5vw, 60px);
  border-bottom: 2px solid var(--edge);
  background:
    radial-gradient(120% 90% at 8% 0%, rgba(47, 227, 200, 0.13), transparent 62%),
    linear-gradient(180deg, rgba(11, 42, 66, 0.92), rgba(6, 26, 43, 1));
}

.page-about .about-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-about .about-hero__title {
  margin: 12px 0 0;
  font-size: clamp(28px, 5.4vw, 58px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  font-weight: 700;
  color: var(--mist);
  max-width: 20ch;
}

.page-about .about-hero__lede {
  margin-top: 18px;
  max-width: 58ch;
  color: var(--mist-2);
}

.page-about .about-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  align-content: start;
}

.page-about .about-stat {
  border: 2px solid var(--edge);
  background: linear-gradient(180deg, rgba(16, 58, 85, 0.95), rgba(11, 42, 66, 0.95));
  box-shadow: var(--shadow-soft);
  padding: 12px 14px;
}

.page-about .about-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(20px, 3.4vw, 30px);
  letter-spacing: 0.04em;
  color: var(--gold);
  line-height: 1.1;
}

.page-about .about-stat__label {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: var(--mist-3);
}

/* ---------- shell + rail ---------- */
.page-about .about-shell {
  padding: clamp(28px, 5vw, 64px) 0 0;
}

.page-about .about-rail {
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-about .about-rail__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist-3);
}

.page-about .about-rail__list {
  list-style: none;
  margin: 0;
  padding: 0 0 2px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-about .about-rail__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  white-space: nowrap;
  font-size: 13px;
  color: var(--mist-2);
  text-decoration: none;
  background: rgba(16, 58, 85, 0.55);
  border: 1px solid var(--edge);
  transition: var(--t);
}

.page-about .about-rail__link .mono {
  font-size: 11px;
  color: var(--gold);
}

.page-about .about-rail__link:hover,
.page-about .about-rail__link:focus-visible {
  color: var(--sea);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-about .about-rail__link:hover .mono,
.page-about .about-rail__link:focus-visible .mono {
  color: var(--ink);
}

/* ---------- sections ---------- */
.page-about .about-sec {
  padding: clamp(28px, 4.5vw, 52px) 0;
  border-top: 2px solid var(--edge);
}

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

.page-about .about-sec__band {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: clamp(16px, 3vw, 28px);
}

.page-about .about-sec__band::after {
  content: "";
  flex: 1 1 auto;
  min-width: 20px;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--cyan));
  opacity: 0.85;
}

.page-about .about-sec__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--ink);
  background: var(--gold);
  padding: 4px 9px;
  box-shadow: var(--shadow-soft);
}

.page-about .about-sec__title {
  margin: 0;
  font-size: clamp(21px, 3.2vw, 33px);
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--mist);
}

.page-about .about-sec p {
  margin: 0 0 14px;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist-2);
}

.page-about .about-sec p strong {
  color: var(--mist);
}

/* ---------- two column ---------- */
.page-about .about-two {
  display: grid;
  gap: clamp(20px, 3.5vw, 36px);
}

/* ---------- figure ---------- */
.page-about .about-figure {
  margin: 0;
}

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

.page-about .about-figure--wide {
  margin: clamp(18px, 3vw, 28px) 0;
}

/* ---------- meta list ---------- */
.page-about .about-meta {
  margin: 20px 0 0;
  border-top: 1px solid var(--edge);
}

.page-about .about-meta__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 2px;
  border-bottom: 1px solid var(--edge);
}

.page-about .about-meta__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist-3);
}

.page-about .about-meta__val {
  margin: 0;
  font-size: 14px;
  color: var(--mist);
  text-align: right;
}

/* ---------- timeline ---------- */
.page-about .about-timeline {
  position: relative;
  margin: 22px 0 0;
  padding-left: 22px;
  border-left: 2px solid var(--edge);
}

.page-about .about-node {
  position: relative;
  margin-bottom: 12px;
  border: 2px solid var(--edge);
  background: linear-gradient(180deg, rgba(16, 58, 85, 0.92), rgba(11, 42, 66, 0.92));
  box-shadow: var(--shadow-soft);
}

.page-about .about-node::before {
  content: "";
  position: absolute;
  left: -31px;
  top: 18px;
  width: var(--about-dot);
  height: var(--about-dot);
  background: var(--gold);
  border: 2px solid var(--sea);
  transform: rotate(45deg);
}

.page-about .about-node[open]::before {
  background: var(--cyan);
}

.page-about .about-node__summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 13px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 700;
  color: var(--mist);
  transition: var(--t);
}

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

.page-about .about-node__summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--cyan);
}

.page-about .about-node[open] .about-node__summary::after {
  content: "–";
}

.page-about .about-node__summary:hover,
.page-about .about-node__summary:focus-visible {
  background: rgba(47, 227, 200, 0.08);
}

.page-about .about-node__code {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gold);
  white-space: nowrap;
}

.page-about .about-node__body {
  padding: 0 16px 14px;
}

.page-about .about-node__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist-2);
}

/* ---------- team ---------- */
.page-about .about-team {
  display: grid;
  gap: 12px;
  margin: 20px 0 20px;
}

.page-about .about-team__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 6px;
  font-size: 14px;
  color: var(--mist);
}

.page-about .about-team__num {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-about .about-team__track {
  height: 9px;
  background: rgba(27, 86, 112, 0.45);
  border: 1px solid var(--edge);
}

.page-about .about-team__fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--gold), var(--cyan));
}

.page-about .about-team__fill--a { width: 26.5%; }
.page-about .about-team__fill--b { width: 17.6%; }
.page-about .about-team__fill--c { width: 29.4%; }
.page-about .about-team__fill--d { width: 26.5%; }

.page-about .about-paths {
  margin-top: 18px;
}

/* ---------- scenes ---------- */
.page-about .about-scenes {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-about .about-scene {
  padding: 6px 0 6px 16px;
  border-left: 3px solid var(--cyan);
  background: linear-gradient(90deg, rgba(47, 227, 200, 0.09), transparent 72%);
}

.page-about .about-scene:nth-child(2) {
  border-left-color: var(--gold);
  background: linear-gradient(90deg, rgba(216, 178, 90, 0.09), transparent 72%);
}

.page-about .about-scene:nth-child(3) {
  border-left-color: var(--amber);
  background: linear-gradient(90deg, rgba(232, 148, 58, 0.09), transparent 72%);
}

.page-about .about-scene__title {
  display: block;
  margin-bottom: 5px;
  font-size: 16px;
  font-weight: 700;
  color: var(--mist);
}

.page-about .about-scene__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist-2);
}

/* ---------- links + cta ---------- */
.page-about .about-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-about .about-cta {
  margin: clamp(28px, 5vw, 52px) 0 clamp(40px, 7vw, 88px);
}

.page-about .about-cta__text {
  margin: 0;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--mist);
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

/* ---------- responsive ---------- */
@media (min-width: 640px) {
  .page-about .about-team {
    gap: 14px;
  }
}

@media (min-width: 900px) {
  .page-about .about-two {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }

  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.85fr);
    align-items: end;
  }

  .page-about .about-scenes {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
  }
}

@media (min-width: 1024px) {
  .page-about .about-shell {
    display: grid;
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    gap: clamp(36px, 5vw, 76px);
    align-items: start;
  }

  .page-about .about-rail {
    position: sticky;
    top: 92px;
    margin-bottom: 0;
    border-left: 3px solid var(--gold);
    padding-left: 16px;
  }

  .page-about .about-rail__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
  }

  .page-about .about-rail__link {
    border: 0;
    border-bottom: 1px solid rgba(27, 86, 112, 0.7);
    background: transparent;
    padding: 10px 4px;
    white-space: normal;
  }

  .page-about .about-rail__link:hover,
  .page-about .about-rail__link:focus-visible {
    background: rgba(47, 227, 200, 0.12);
    color: var(--cyan);
    border-bottom-color: var(--cyan);
  }

  .page-about .about-rail__link:hover .mono,
  .page-about .about-rail__link:focus-visible .mono {
    color: var(--gold);
  }

  .page-about .about-hero__title {
    max-width: 22ch;
  }

  .page-about .about-figure--wide {
    margin-left: auto;
    margin-right: auto;
    max-width: 86%;
  }

  .page-about .about-meta {
    max-width: 46ch;
  }
}

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