.page-about {
  --about-rail-w: 208px;
  --about-node-line: 7px;
}

/* ---------- Hero ---------- */

.page-about .about-hero {
  position: relative;
  padding: 26px 0 54px;
  background:
    radial-gradient(980px 440px at 82% -18%, rgba(123, 77, 255, 0.20), transparent 62%),
    radial-gradient(700px 340px at 6% 110%, rgba(53, 224, 208, 0.10), transparent 60%),
    linear-gradient(180deg, var(--void) 0%, var(--nebula) 100%);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-about .about-hero .breadcrumb {
  margin-bottom: 30px;
}

.page-about .about-hero-grid {
  display: grid;
  gap: 30px;
  align-items: end;
}

.page-about .about-title {
  margin: 14px 0 0;
  font-size: clamp(34px, 5.2vw, 58px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--ink);
  font-weight: 800;
}

.page-about .about-lede {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: var(--fs-6);
  line-height: 1.85;
  color: var(--muted);
}

.page-about .about-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .about-fact {
  background: rgba(14, 21, 48, 0.82);
  padding: 16px 14px;
  min-width: 0;
}

.page-about .about-fact-label {
  margin: 0;
  font-size: var(--fs-8);
  letter-spacing: 0.12em;
  color: var(--muted);
  font-family: var(--font-mono);
}

.page-about .about-fact-value {
  margin: 8px 0 0;
  font-size: var(--fs-5);
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.02em;
}

/* ---------- Body split ---------- */

.page-about .about-body {
  display: grid;
  gap: 34px;
  padding: 44px 0 20px;
}

.page-about .about-rail {
  border-left: 1px solid var(--line-cyan);
  padding-left: 14px;
}

.page-about .about-rail-title {
  margin: 0 0 12px;
  font-size: var(--fs-8);
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-about .about-rail-list {
  list-style: none;
  margin: 0;
  padding: 0 0 0 2px;
  display: flex;
  flex-wrap: wrap;
  gap: 2px 18px;
}

.page-about .about-rail-link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 6px 0;
  font-size: var(--fs-7);
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-about .about-rail-link:hover,
.page-about .about-rail-link:focus-visible {
  color: var(--ink);
  border-color: var(--line-galaxy);
}

.page-about .about-rail-link[aria-current="true"] {
  color: var(--cyan);
  border-color: var(--line-cyan);
}

.page-about .about-rail-no {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

/* ---------- Chapter flow ---------- */

.page-about .about-flow {
  display: grid;
  gap: 0;
  min-width: 0;
}

.page-about .about-chapter {
  position: relative;
  padding: 0 0 46px;
  scroll-margin-top: 116px;
}

.page-about .about-chapter + .about-chapter {
  padding-top: 46px;
  border-top: 1px solid var(--line);
}

.page-about .about-chapter-index {
  margin: 0 0 12px;
  font-size: var(--fs-8);
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-about .about-chapter .section-title {
  margin: 0;
}

.page-about .about-chapter .section-note {
  margin: 14px 0 0;
  max-width: 60ch;
  font-size: var(--fs-6);
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- Figures ---------- */

.page-about .about-figure {
  margin: 28px 0 0;
  border: 1px solid var(--line);
  background: linear-gradient(140deg, var(--nebula), var(--void));
  overflow: hidden;
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-about .about-figure--team img,
.page-about .about-figure--local img {
  aspect-ratio: 3 / 2;
}

.page-about .about-figure .media-caption {
  padding: 12px 14px;
  border-top: 1px solid var(--line);
  font-size: var(--fs-8);
  color: var(--muted);
}

/* ---------- Timeline ---------- */

.page-about .about-timeline {
  position: relative;
  list-style: none;
  margin: 30px 0 0;
  padding: 0 0 0 26px;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: var(--about-node-line);
  top: 10px;
  bottom: 26px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), rgba(123, 77, 255, 0.5) 62%, rgba(154, 166, 196, 0.12));
}

.page-about .about-node {
  position: relative;
  padding: 0 0 28px;
}

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

.page-about .about-node::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 8px;
  width: 9px;
  height: 9px;
  background: var(--void);
  border: 1px solid var(--cyan);
  transform: rotate(45deg);
}

.page-about .about-node:last-child::before {
  background: var(--gold);
  border-color: var(--gold);
}

.page-about .about-node-meta {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0;
}

.page-about .about-node-ver {
  font-size: var(--fs-4);
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.03em;
  line-height: 1;
}

.page-about .about-node-year {
  font-size: var(--fs-8);
  letter-spacing: 0.24em;
  color: var(--muted);
}

.page-about .about-node-title {
  margin: 10px 0 0;
  font-size: var(--fs-5);
  font-weight: 700;
  color: var(--ink);
  line-height: 1.45;
}

.page-about .about-node-desc {
  margin: 8px 0 0;
  font-size: var(--fs-6);
  line-height: 1.8;
  color: var(--muted);
  max-width: 62ch;
}

/* ---------- Maintenance lines ---------- */

.page-about .about-lines {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .about-line {
  background: var(--nebula);
  padding: 18px 16px;
  display: grid;
  gap: 6px;
  transition: background 220ms var(--ease);
}

.page-about .about-line:hover {
  background: rgba(75, 46, 158, 0.22);
}

.page-about .about-line-no {
  font-size: var(--fs-8);
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-about .about-line-title {
  margin: 0;
  font-size: var(--fs-6);
  font-weight: 700;
  color: var(--ink);
}

.page-about .about-line-desc {
  margin: 0;
  font-size: var(--fs-7);
  line-height: 1.75;
  color: var(--muted);
}

.page-about .about-rhythm {
  margin-top: 26px;
  padding: 20px 18px;
  border-left: 2px solid var(--indigo);
  background: rgba(75, 46, 158, 0.14);
}

.page-about .about-rhythm-lead {
  margin: 0 0 16px;
  font-size: var(--fs-6);
  color: var(--ink);
}

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

.page-about .about-rhythm-item {
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.page-about .about-rhythm-label {
  margin: 0;
  font-size: var(--fs-8);
  letter-spacing: 0.2em;
  color: var(--gold);
}

.page-about .about-rhythm-text {
  margin: 8px 0 0;
  font-size: var(--fs-7);
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- Shifts ---------- */

.page-about .about-shifts {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.page-about .about-shift {
  padding: 20px 18px;
  border: 1px solid var(--line-mid);
  background: rgba(14, 21, 48, 0.72);
  display: grid;
  gap: 10px;
  transition: border-color 220ms var(--ease), background 220ms var(--ease);
}

.page-about .about-shift:hover {
  border-color: var(--line-cyan);
  background: rgba(14, 21, 48, 0.95);
}

.page-about .about-shift--key {
  background: linear-gradient(158deg, rgba(140, 43, 74, 0.52), rgba(14, 21, 48, 0.92) 72%);
  border-color: rgba(140, 43, 74, 0.85);
}

.page-about .about-shift-no {
  margin: 0;
  font-size: var(--fs-8);
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-about .about-shift--key .about-shift-no {
  color: var(--gold);
}

.page-about .about-shift-title {
  margin: 0;
  font-size: var(--fs-6);
  font-weight: 700;
  color: var(--ink);
  line-height: 1.5;
}

.page-about .about-shift-desc {
  margin: 0;
  font-size: var(--fs-7);
  line-height: 1.78;
  color: var(--muted);
}

.page-about .about-outcome {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--line-cyan);
}

.page-about .about-outcome p {
  margin: 0 0 8px;
  font-size: var(--fs-6);
  line-height: 1.8;
  color: var(--ink);
}

.page-about .about-outcome p + p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: var(--fs-7);
}

/* ---------- Team ---------- */

.page-about .about-team {
  display: grid;
  gap: 24px;
  margin-top: 28px;
}

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

.page-about .about-team-item {
  background: var(--nebula);
  padding: 18px 16px;
  display: grid;
  gap: 6px;
}

.page-about .about-team-num {
  margin: 0;
  font-size: var(--fs-4);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

.page-about .about-team-role {
  margin: 0;
  font-size: var(--fs-6);
  font-weight: 700;
  color: var(--ink);
}

.page-about .about-team-desc {
  margin: 0;
  font-size: var(--fs-7);
  line-height: 1.75;
  color: var(--muted);
}

.page-about .about-figure--team {
  margin-top: 0;
}

.page-about .about-collab {
  margin: 26px 0 0;
  padding: 18px 18px 18px 20px;
  border-left: 2px solid var(--cyan);
  background: rgba(11, 59, 60, 0.34);
  font-size: var(--fs-6);
  line-height: 1.85;
  color: var(--ink);
}

/* ---------- Local ---------- */

.page-about .about-local {
  margin-top: 24px;
}

.page-about .about-local-copy p {
  margin: 0 0 14px;
  font-size: var(--fs-6);
  line-height: 1.85;
  color: var(--muted);
}

.page-about .about-local-btn {
  margin-top: 6px;
}

.page-about .about-figure--local img {
  aspect-ratio: 21 / 9;
}

.page-about .about-honors {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-about .about-honors li {
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.page-about .about-honor-title {
  margin: 0;
  font-size: var(--fs-7);
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.04em;
}

.page-about .about-honor-desc {
  margin: 8px 0 0;
  font-size: var(--fs-7);
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- Next link ---------- */

.page-about .about-next {
  margin: 26px 0 0;
}

.page-about .about-next-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-7);
  color: var(--cyan);
  text-decoration: none;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--line-cyan);
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

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

/* ---------- CTA ---------- */

.page-about .about-cta {
  margin: 24px 0 84px;
  padding: 30px 22px;
  border: 1px solid var(--line-galaxy);
  background:
    radial-gradient(560px 260px at 88% 0%, rgba(123, 77, 255, 0.22), transparent 68%),
    linear-gradient(150deg, rgba(14, 21, 48, 0.96), rgba(7, 11, 27, 0.98));
}

.page-about .about-cta-kicker {
  margin: 0;
  font-size: var(--fs-8);
  letter-spacing: 0.22em;
  color: var(--cyan);
}

.page-about .about-cta-title {
  margin: 12px 0 0;
  font-size: var(--fs-3);
  font-weight: 800;
  line-height: 1.3;
  color: var(--ink);
}

.page-about .about-cta-desc {
  margin: 12px 0 0;
  max-width: 58ch;
  font-size: var(--fs-7);
  line-height: 1.8;
  color: var(--muted);
}

.page-about .about-cta-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* ---------- Responsive ---------- */

@media (min-width: 640px) {
  .page-about .about-rhythm-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

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

  .page-about .about-line {
    grid-template-columns: 66px minmax(0, 0.9fr) minmax(0, 1.6fr);
    align-items: start;
    gap: 8px 20px;
    padding: 20px 20px;
  }

  .page-about .about-line-no {
    grid-row: 1 / span 2;
    padding-top: 3px;
  }

  .page-about .about-line-title {
    grid-column: 2;
  }

  .page-about .about-line-desc {
    grid-column: 3;
    grid-row: 1 / span 2;
    margin: 0;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero {
    padding: 30px 0 68px;
  }

  .page-about .about-hero-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 54px;
  }

  .page-about .about-shifts {
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 14px;
  }

  .page-about .about-cta {
    padding: 44px 40px;
    margin-top: 32px;
  }
}

@media (min-width: 1024px) {
  .page-about .about-body {
    grid-template-columns: var(--about-rail-w) minmax(0, 1fr);
    gap: 58px;
    padding: 56px 0 24px;
  }

  .page-about .about-rail {
    position: sticky;
    top: 104px;
    align-self: start;
  }

  .page-about .about-rail-list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
  }

  .page-about .about-rail-link {
    display: grid;
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 10px;
    padding: 9px 0;
    border-bottom: 1px solid transparent;
    border-left: 2px solid transparent;
    padding-left: 10px;
    margin-left: -12px;
    transition: color 200ms var(--ease), border-color 200ms var(--ease);
  }

  .page-about .about-rail-link[aria-current="true"] {
    border-left-color: var(--cyan);
    border-bottom-color: transparent;
  }

  .page-about .about-team {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 28px;
    align-items: start;
  }

  .page-about .about-honors {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-rail-link,
  .page-about .about-line,
  .page-about .about-shift,
  .page-about .about-next-link {
    transition: none;
  }
}