.page-about {
  --about-text-soft: #C6D4E0;
  --about-ink-soft: #3B4550;
  background: var(--ink-night);
  color: var(--text);
  overflow-x: hidden;
}

/* ---------- Hero ---------- */
.page-about .about-hero {
  position: relative;
  padding-block: clamp(28px, 5vw, 64px) clamp(36px, 5vw, 72px);
  background:
    radial-gradient(90% 70% at 8% 0%, rgba(47, 143, 91, 0.26), transparent 62%),
    linear-gradient(180deg, #0A1B2B 0%, var(--ink-night) 100%);
  border-bottom: 1px solid var(--line);
}

.page-about .about-hero__inner {
  display: grid;
  gap: clamp(26px, 4vw, 40px);
}

.page-about .about-hero__lead h1 {
  margin: 18px 0 0;
  max-width: 16em;
  font-family: var(--font-editorial);
  font-weight: 700;
  font-size: clamp(29px, 5vw, 50px);
  line-height: 1.24;
  letter-spacing: -0.012em;
  color: var(--text);
}

.page-about .about-hero__lead .lede {
  margin: 20px 0 0;
  max-width: 60ch;
  padding-left: 16px;
  border-left: 2px solid var(--orange);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--about-text-soft);
}

.page-about .about-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 20px;
  margin: 30px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--line);
}

.page-about .about-facts dt {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-about .about-facts dd {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(18px, 2.4vw, 24px);
  letter-spacing: 0.04em;
  color: var(--orange-soft);
}

.page-about .about-facts dd small {
  display: block;
  margin-top: 5px;
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0;
  line-height: 1.5;
  color: var(--muted);
}

.page-about .about-hero__media {
  margin: 0;
}

/* ---------- Section basics ---------- */
.page-about .about-section {
  padding-block: var(--space);
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-section:last-of-type {
  border-bottom: 0;
}

.page-about .about-section__head {
  max-width: 62ch;
}

.page-about .about-section__head h2 {
  margin: 14px 0 0;
  font-family: var(--font-editorial);
  font-weight: 700;
  font-size: clamp(23px, 3.4vw, 36px);
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-about .about-prose {
  max-width: 68ch;
  margin-top: 22px;
}

.page-about .about-prose p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.88;
  color: var(--about-text-soft);
}

.page-about .about-prose p:last-child {
  margin-bottom: 0;
}

/* ---------- Timeline ---------- */
.page-about .timeline {
  position: relative;
  max-width: 860px;
  margin: 32px 0 0;
  padding-left: 30px;
}

.page-about .timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 14px;
  bottom: 14px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan) 0%, rgba(70, 242, 224, 0.1) 100%);
}

.page-about .era {
  position: relative;
  border-top: 1px solid var(--line-soft);
}

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

.page-about .era::before {
  content: "";
  position: absolute;
  left: -29px;
  top: 22px;
  width: 9px;
  height: 9px;
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 122, 60, 0.14);
  transition: box-shadow 0.2s var(--ease);
}

.page-about .era[open]::before {
  box-shadow: 0 0 0 6px rgba(70, 242, 224, 0.16);
}

.page-about .era__summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  padding: 16px 0 14px;
}

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

.page-about .era__year {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-about .era__title {
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 0.06em;
  color: var(--text);
  transition: color 0.2s var(--ease);
}

.page-about .era[open] .era__title {
  color: var(--orange-soft);
}

.page-about .era__body {
  max-width: 62ch;
  padding: 0 0 20px;
}

.page-about .era__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--about-text-soft);
}

/* ---------- Flow ---------- */
.page-about .about-section--console {
  background:
    linear-gradient(180deg, rgba(30, 59, 85, 0.5) 0%, transparent 100%),
    var(--console-blue);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-about .flow-media {
  margin: 30px 0 0;
}

.page-about .flow {
  display: grid;
  gap: 0;
  margin: 34px 0 0;
}

.page-about .flow-step {
  position: relative;
  padding-left: 46px;
}

.page-about .flow-step::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 34px;
  bottom: 0;
  border-left: 1px dashed rgba(70, 242, 224, 0.4);
  transition: border-color 0.2s var(--ease);
}

.page-about .flow-step:last-child::before {
  display: none;
}

.page-about .flow-step[open]::before {
  border-left-color: var(--cyan);
}

.page-about .flow-step__summary {
  list-style: none;
  cursor: pointer;
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: 12px 0;
}

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

.page-about .flow-step__num {
  position: absolute;
  left: -46px;
  top: 10px;
  display: grid;
  place-items: center;
  width: 31px;
  height: 31px;
  border: 1px solid rgba(70, 242, 224, 0.5);
  border-radius: 50%;
  background: var(--ink-night);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-about .flow-step[open] .flow-step__num {
  border-color: var(--orange);
  color: var(--orange-soft);
}

.page-about .flow-step__title {
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 0.06em;
  color: var(--text);
}

.page-about .flow-step__hint {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--muted);
}

.page-about .flow-step__body {
  max-width: 62ch;
  padding: 0 0 18px;
}

.page-about .flow-step__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--about-text-soft);
}

/* ---------- Crew ---------- */
.page-about .crew {
  max-width: 900px;
  margin-top: 30px;
}

.page-about .crew-bar {
  display: flex;
  height: 44px;
  border: 1px solid var(--line-soft);
  background: var(--ink-night);
}

.page-about .crew-bar__seg {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: #06121C;
  white-space: nowrap;
}

.page-about .crew-bar__seg--write {
  flex: 6 1 0;
  background: linear-gradient(90deg, var(--grass-deep), var(--grass-light));
}

.page-about .crew-bar__seg--review {
  flex: 5 1 0;
  background: var(--cyan);
}

.page-about .crew-bar__seg--cycle {
  flex: 3 1 0;
  background: var(--orange);
}

.page-about .crew-legend {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px 24px;
}

.page-about .crew-legend li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--about-text-soft);
}

.page-about .crew-legend__dot {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  transform: translateY(-1px);
}

.page-about .crew-legend__dot--write {
  background: linear-gradient(90deg, var(--grass-deep), var(--grass-light));
}

.page-about .crew-legend__dot--review {
  background: var(--cyan);
}

.page-about .crew-legend__dot--cycle {
  background: var(--orange);
}

.page-about .crew-note {
  max-width: 76ch;
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

@media (hover: hover) and (min-width: 780px) {
  .page-about .crew-bar__seg[data-note]::after {
    content: attr(data-note);
    position: absolute;
    left: 50%;
    bottom: calc(100% + 10px);
    transform: translate(-50%, 6px);
    padding: 6px 10px;
    background: var(--ink-night);
    border: 1px solid rgba(70, 242, 224, 0.55);
    font-family: var(--font-body);
    font-size: 12px;
    letter-spacing: 0;
    color: var(--text);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
  }

  .page-about .crew-bar__seg[data-note]:hover::after {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}

/* ---------- Version / paper ---------- */
.page-about .about-section--paper {
  background: var(--paper);
  color: var(--ink-text);
  border-bottom: 1px solid var(--paper-shadow);
}

.page-about .about-section--paper .eyebrow {
  color: var(--grass-deep);
}

.page-about .about-section--paper .eyebrow::before {
  background: var(--grass-deep);
  border-color: var(--grass-deep);
}

.page-about .about-section--paper .about-section__head h2 {
  color: var(--ink-text);
}

.page-about .about-section--paper .about-prose p {
  color: var(--about-ink-soft);
}

.page-about .version-split {
  display: grid;
  gap: 28px;
  margin-top: 30px;
}

.page-about .version-points {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .version-points li {
  padding-left: 14px;
  border-left: 2px solid var(--paper-shadow);
  font-size: 15px;
  line-height: 1.8;
  color: var(--about-ink-soft);
}

.page-about .version-points strong {
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--grass-deep);
}

/* ---------- Partners ---------- */
.page-about .about-section--deep {
  background: var(--screen-blue);
  border-bottom: 1px solid var(--line);
}

.page-about .partners {
  display: grid;
  gap: 22px;
  margin-top: 32px;
}

.page-about .partner-card {
  padding-top: 18px;
  border-top: 2px solid var(--cyan);
}

.page-about .partner-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-about .partner-card p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--about-text-soft);
}

/* ---------- Next paths ---------- */
.page-about .next-paths {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-about .next-paths li {
  border-bottom: 1px solid var(--line-soft);
}

.page-about .next-path {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 6px 14px;
  padding: 18px 0;
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s var(--ease);
}

.page-about .next-path:hover {
  transform: translateX(3px);
}

.page-about .next-path__num {
  grid-column: 1;
  grid-row: 1;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-about .next-path__title {
  grid-column: 2;
  grid-row: 1;
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 0.05em;
  color: var(--text);
  transition: color 0.2s var(--ease);
}

.page-about .next-path:hover .next-path__title {
  color: var(--cyan);
}

.page-about .next-path__arrow {
  grid-column: 3;
  grid-row: 1 / span 2;
  align-self: center;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--orange-soft);
}

.page-about .next-path__desc {
  grid-column: 2 / 3;
  grid-row: 2;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-about .about-cta {
  margin-top: 30px;
}

/* ---------- Responsive ---------- */
@media (min-width: 700px) {
  .page-about .about-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (min-width: 820px) {
  .page-about .partners {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
  }
}

@media (min-width: 900px) {
  .page-about .version-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
    gap: 48px;
  }
}

@media (min-width: 960px) {
  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.72fr);
    align-items: end;
    gap: 56px;
  }

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

@media (max-width: 520px) {
  .page-about .next-path {
    grid-template-columns: 30px minmax(0, 1fr) auto;
    gap: 4px 10px;
  }

  .page-about .crew-bar {
    height: 38px;
  }
}
<<<END>>>