.page-about {
  --rail-w: 236px;
  --about-gap: clamp(28px, 5vw, 76px);
  background:
    radial-gradient(820px 380px at 78% -6%, rgba(42, 27, 61, 0.82), transparent 72%),
    var(--ink-900);
  color: var(--text);
  padding-block: clamp(18px, 3vw, 36px) clamp(56px, 8vw, 104px);
}

.page-about .about-crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(20px, 3vw, 32px);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-mute);
}

.page-about .about-crumb a {
  color: var(--text-mute);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-about .about-crumb a:hover,
.page-about .about-crumb a:focus-visible {
  color: var(--cyan);
}

.page-about .about-crumb__sep {
  color: var(--line-strong);
}

.page-about .about-crumb [aria-current="page"] {
  color: var(--orange);
}

.page-about .about-lead {
  position: relative;
  padding: clamp(22px, 4vw, 44px) 0 clamp(26px, 4vw, 48px);
  border-bottom: 1px solid var(--line);
}

.page-about .about-lead::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: clamp(64px, 16vw, 200px);
  height: 3px;
  background: linear-gradient(90deg, var(--orange), var(--cyan));
}

.page-about .about-kicker {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--orange);
}

.page-about .about-lead h1 {
  margin: 0 0 clamp(16px, 2.4vw, 26px);
  max-width: 16em;
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(30px, 6.2vw, 60px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--text-strong);
}

.page-about .about-lead__lede {
  margin: 0;
  max-width: 34em;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.85;
  color: var(--text);
}

.page-about .about-lead__meta {
  margin: clamp(18px, 2.5vw, 26px) 0 0;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-mute);
}

.page-about .about-doc {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  padding-top: clamp(10px, 2vw, 22px);
}

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

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

.page-about .about-rail__title,
.page-about .about-rail__note {
  display: none;
}

.page-about .about-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-about .about-rail__item {
  flex: 0 0 auto;
}

.page-about .about-rail__link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  font-size: 12px;
  line-height: 1.5;
  white-space: nowrap;
  color: var(--text-mute);
  text-decoration: none;
  border: 1px solid var(--line);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-about .about-rail__link:hover,
.page-about .about-rail__link:focus-visible {
  color: var(--text-strong);
  border-color: rgba(255, 138, 0, 0.55);
  background: rgba(255, 138, 0, 0.07);
}

.page-about .about-rail__tick {
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  background: var(--line-strong);
  transition: background var(--dur) var(--ease);
}

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

.page-about .about-rail__num {
  color: var(--orange);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.page-about .doc-section {
  padding-block: clamp(28px, 5vw, 52px);
  border-bottom: 1px solid var(--line);
}

.page-about .doc-section:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-about .doc-section__head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: clamp(14px, 2vw, 22px);
}

.page-about .doc-section__num {
  flex: 0 0 auto;
  margin-top: 6px;
  padding: 2px 6px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--orange);
  border: 1px solid rgba(255, 138, 0, 0.35);
}

.page-about .doc-section h2 {
  margin: 0;
  min-width: 0;
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(22px, 3.6vw, 34px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--text-strong);
}

.page-about .doc-section p {
  max-width: 38em;
  line-height: 1.85;
}

.page-about .doc-section__lede {
  margin: 0 0 clamp(18px, 2.5vw, 26px);
  font-size: 16px;
  color: var(--text);
}

.page-about .doc-section p + p {
  margin-top: 14px;
}

.page-about .doc-section a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.35);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-about .doc-section a:hover,
.page-about .doc-section a:focus-visible {
  color: var(--orange-soft);
  border-bottom-color: var(--orange-soft);
}

.page-about .point-list {
  list-style: none;
  margin: 0 0 clamp(22px, 3vw, 32px);
  padding: 0;
}

.page-about .point-list__item {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.page-about .point-list__item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-about .point-list__num {
  padding-top: 4px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-about .point-list__body h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.01em;
  color: var(--text-strong);
}

.page-about .point-list__body p {
  margin: 0;
  font-size: 15px;
  color: var(--text);
}

.page-about .coverage {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px 20px;
  align-items: center;
  margin-bottom: clamp(18px, 3vw, 26px);
  padding: clamp(18px, 3vw, 28px) clamp(18px, 3vw, 28px) clamp(18px, 3vw, 28px) clamp(22px, 3.5vw, 34px);
  background: linear-gradient(120deg, rgba(42, 27, 61, 0.95), rgba(28, 31, 38, 0.9));
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
}

.page-about .coverage__label {
  grid-column: 1 / -1;
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--orange-soft);
}

.page-about .coverage__num {
  margin: 0;
  font-family: var(--mono);
  font-size: clamp(44px, 8vw, 64px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--orange);
}

.page-about .coverage__text {
  margin: 0;
  max-width: 30em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
}

.page-about .doc-figure {
  margin: clamp(18px, 3vw, 26px) 0;
  background: var(--ink-800);
  border: 1px solid var(--line);
}

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

.page-about .doc-figure figcaption {
  padding: 10px 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--text-mute);
  border-top: 1px solid var(--line);
}

.page-about .crew-grid {
  display: grid;
  gap: 12px;
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
}

.page-about .crew-card {
  position: relative;
  padding: 16px 16px 14px;
  background: var(--ink-700);
  border: 1px solid var(--line);
  border-top: 2px solid rgba(0, 229, 255, 0.5);
  outline-offset: 3px;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-about .crew-card:hover,
.page-about .crew-card:focus,
.page-about .crew-card:focus-within {
  background: #20242c;
  border-color: rgba(255, 138, 0, 0.5);
}

.page-about .crew-card h3 {
  margin: 0 0 8px;
  font-family: var(--display);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--text-strong);
}

.page-about .crew-card__desc {
  margin: 0;
  max-width: none;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-mute);
}

.page-about .crew-card__duty {
  margin: 0;
  max-width: none;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--cyan);
  border-top: 1px dashed transparent;
  transition: max-height var(--dur) var(--ease), opacity var(--dur) var(--ease),
    margin-top var(--dur) var(--ease), padding-top var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.page-about .crew-card__duty .mono {
  color: var(--orange-soft);
  margin-right: 6px;
}

.page-about .crew-card:hover .crew-card__duty,
.page-about .crew-card:focus .crew-card__duty,
.page-about .crew-card:focus-within .crew-card__duty {
  max-height: 5em;
  opacity: 1;
  margin-top: 10px;
  padding-top: 8px;
  border-top-color: var(--line);
}

.page-about .crew-flow {
  display: block;
  width: 100%;
  height: auto;
  margin: clamp(20px, 3vw, 28px) 0 0;
  overflow: visible;
}

.page-about .crew-flow text {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  fill: var(--text);
}

.page-about .slant-band {
  height: clamp(44px, 8vw, 88px);
  margin: clamp(10px, 2vw, 18px) 0;
  background:
    repeating-linear-gradient(115deg, rgba(255, 138, 0, 0.16) 0 2px, transparent 2px 14px),
    linear-gradient(115deg, var(--violet-900), var(--ink-800));
  clip-path: polygon(0 20%, 100% 0, 100% 80%, 0 100%);
}

.page-about .mile-list {
  list-style: none;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
}

.page-about .mile {
  position: relative;
  padding: 18px 0 18px 22px;
  border-left: 2px solid var(--line);
  transition: border-color var(--dur) var(--ease);
}

.page-about .mile::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 24px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--orange);
  border: 2px solid var(--orange);
  opacity: 0.6;
  transition: opacity var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-about .mile:hover {
  border-left-color: rgba(255, 138, 0, 0.6);
}

.page-about .mile:hover::before {
  opacity: 1;
  box-shadow: 0 0 0 4px rgba(255, 138, 0, 0.18);
}

.page-about .mile__phase {
  display: inline-block;
  margin-bottom: 6px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-about .mile h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text-strong);
}

.page-about .mile p {
  margin: 0;
  max-width: 36em;
  font-size: 15px;
  color: var(--text);
}

.page-about .paper-quote {
  position: relative;
  margin: clamp(26px, 4vw, 44px) 0;
  padding: clamp(20px, 3.5vw, 32px);
  background: var(--paper);
  border-left: 4px solid var(--orange);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.35);
}

.page-about .paper-quote::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(0deg, rgba(14, 16, 20, 0.035) 0 1px, transparent 1px 4px);
}

.page-about .paper-quote p {
  position: relative;
  z-index: 1;
  margin: 0;
  max-width: none;
  font-size: clamp(17px, 2.4vw, 21px);
  font-weight: 700;
  line-height: 1.7;
  letter-spacing: 0.01em;
  color: #1c1f26;
}

.page-about .reach {
  display: grid;
  gap: clamp(16px, 2.5vw, 26px);
  align-items: start;
}

.page-about .reach .doc-figure {
  margin: 0;
}

.page-about .reach__body > p {
  margin: 0;
}

.page-about .reach__body > p + p {
  margin-top: 14px;
}

.page-about .about-cta h2 {
  margin-bottom: 12px;
}

.page-about .cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding: 0;
}

.page-about .cta-row .btn {
  border-bottom: 0;
  text-decoration: none;
}

.page-about a:focus-visible,
.page-about .crew-card:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

@media (min-width: 640px) {
  .page-about .crew-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-about .reach {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }
}

@media (min-width: 1024px) {
  .page-about .about-doc {
    grid-template-columns: minmax(0, 640px) var(--rail-w);
    row-gap: 0;
    column-gap: clamp(40px, 6vw, 96px);
    justify-content: center;
    align-items: start;
  }

  .page-about .about-rail {
    order: 0;
    position: sticky;
    top: 96px;
    align-self: start;
    padding-bottom: 0;
    border-bottom: 0;
  }

  .page-about .about-rail__title {
    display: block;
    margin: 0 0 12px;
    font-size: 11px;
    letter-spacing: 0.18em;
    color: var(--orange-soft);
  }

  .page-about .about-rail__list {
    display: block;
    overflow: visible;
    padding: 0;
  }

  .page-about .about-rail__item + .about-rail__item {
    margin-top: 2px;
  }

  .page-about .about-rail__link {
    padding: 9px 10px;
    font-size: 13px;
    white-space: normal;
    border: 0;
    border-left: 2px solid transparent;
  }

  .page-about .about-rail__link:hover,
  .page-about .about-rail__link:focus-visible {
    border-left-color: var(--orange);
    background: rgba(255, 138, 0, 0.07);
  }

  .page-about .about-rail__note {
    display: block;
    margin: 18px 0 0;
    padding-top: 12px;
    font-size: 11px;
    letter-spacing: 0.1em;
    color: var(--text-mute);
    border-top: 1px solid var(--line);
  }
}

@media (hover: none) {
  .page-about .crew-card__duty {
    max-height: none;
    opacity: 1;
    margin-top: 10px;
    padding-top: 8px;
    border-top-color: var(--line);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .crew-card,
  .page-about .crew-card__duty,
  .page-about .mile,
  .page-about .mile::before,
  .page-about .about-rail__link,
  .page-about .about-rail__tick {
    transition: none;
  }
}