.page-about {
  font-family: var(--font-body);
  color: var(--text);
  overflow-x: hidden;
}

.page-about img {
  max-width: 100%;
  height: auto;
}

.page-about .about-breadcrumbs {
  max-width: var(--content-max);
  margin: 16px auto 0;
  padding: 0 clamp(16px, 4vw, 56px);
}

.page-about .about-hero {
  position: relative;
  max-width: var(--content-max);
  min-height: 420px;
  margin-inline: auto;
  padding: 48px clamp(16px, 4vw, 56px);
  display: flex;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--ink-line);
}

.page-about .about-hero__deco {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(100deg, transparent 58%, rgba(240, 78, 35, 0.14) 58.5%, transparent 59.5%),
    linear-gradient(100deg, transparent 72%, rgba(255, 215, 94, 0.08) 72.5%, transparent 73.5%);
  pointer-events: none;
}

.page-about .about-hero__letter {
  position: absolute;
  top: -0.14em;
  right: -0.08em;
  font-family: var(--font-head);
  font-size: clamp(10rem, 45vw, 26rem);
  line-height: 1;
  font-weight: 900;
  color: rgba(230, 237, 243, 0.05);
  pointer-events: none;
  user-select: none;
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 2;
  max-width: 700px;
}

.page-about .about-hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 16px;
}

.page-about .about-hero__title {
  font-family: var(--font-head);
  font-size: clamp(2.2rem, 7vw, 4.8rem);
  line-height: 0.95;
  text-transform: uppercase;
  margin: 0 0 20px;
}

.page-about .about-hero__lead {
  font-size: clamp(1rem, 1.4vw, 1.2rem);
  line-height: 1.75;
  color: var(--text-dim);
  margin: 0 0 24px;
}

.page-about .about-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin-bottom: 24px;
  font-family: var(--font-mono);
}

.page-about .about-hero__stats strong {
  font-size: 1.5rem;
  color: var(--gold);
  margin-right: 4px;
}

.page-about .about-hero__chips {
  position: absolute;
  bottom: 20px;
  right: clamp(16px, 4vw, 56px);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  max-width: 320px;
  z-index: 2;
}

.page-about .about-layout {
  max-width: var(--content-max);
  margin-inline: auto;
  padding: 0 clamp(16px, 4vw, 56px);
}

.page-about .about-track {
  position: sticky;
  top: calc(var(--topbar-h) + 24px);
  z-index: 5;
  margin: 24px 0 8px;
  background: rgba(6, 16, 26, 0.88);
  border: 1px solid var(--ink-line);
  border-left: 3px solid var(--accent);
  padding: 10px 16px;
}

.page-about .about-track__list {
  display: flex;
  gap: 4px 24px;
  list-style: none;
  margin: 0;
  padding: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-about .about-track__list::-webkit-scrollbar {
  display: none;
}

.page-about .about-track a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-decoration: none;
  color: var(--text-dim);
  white-space: nowrap;
}

.page-about .about-track a:hover,
.page-about .about-track a:focus-visible {
  color: var(--text);
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.page-about .about-track__num {
  color: var(--accent);
  font-weight: 700;
}

.page-about .about-content {
  display: grid;
  gap: 48px;
  padding-bottom: 48px;
}

.page-about .about-chapter {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--ink-line);
  padding: 40px 0;
}

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

.page-about .about-chapter__bg {
  position: absolute;
  top: -0.08em;
  right: -0.02em;
  font-family: var(--font-head);
  font-size: clamp(7rem, 24vw, 16rem);
  line-height: 1;
  font-weight: 900;
  color: rgba(230, 237, 243, 0.045);
  pointer-events: none;
  user-select: none;
}

.page-about .chapter-head {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 4px;
  margin-bottom: 24px;
}

.page-about .chapter-head__kicker {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0;
}

.page-about .chapter-head__title {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  text-transform: uppercase;
  margin: 0;
}

.page-about .chapter-body {
  position: relative;
  z-index: 1;
}

.page-about .chapter-body .lead {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--text);
  margin: 0 0 16px;
}

.page-about .chapter-body p {
  color: var(--text-dim);
  line-height: 1.75;
  margin: 0 0 12px;
}

.page-about .about-quote {
  position: relative;
  z-index: 1;
  margin: 32px 0 0;
  padding: 20px 24px;
  background: var(--ink-soft);
  border-left: 4px solid var(--accent);
}

.page-about .about-quote blockquote {
  font-family: var(--font-head);
  font-size: 1.2rem;
  line-height: 1.5;
  color: var(--text);
  margin: 0;
}

.page-about .about-quote figcaption {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.page-about .about-chapter__texture {
  position: relative;
  z-index: 1;
  margin-top: 32px;
}

.page-about .about-chapter__texture img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--ink-line);
}

.page-about .about-boundary__list {
  position: relative;
  z-index: 1;
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .about-boundary__list li {
  background: var(--ink-soft);
  border: 1px solid var(--ink-line);
  border-left: 3px solid var(--silver);
  padding: 14px 16px;
  color: var(--text-dim);
  line-height: 1.6;
  font-size: 0.95rem;
}

.page-about .about-boundary__list li span {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text);
  font-weight: 600;
}

.page-about .about-boundary__visual {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 20px;
  margin-top: 24px;
}

.page-about .about-boundary__visual img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--ink-line);
}

.page-about .about-boundary__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.page-about .about-stat {
  display: grid;
  gap: 6px;
  padding: 16px;
  background: linear-gradient(135deg, var(--ink-soft), var(--ink-deep));
  border: 1px solid var(--ink-line);
  border-top: 2px solid var(--accent);
}

.page-about .about-stat__num {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  color: var(--gold);
  line-height: 1;
}

.page-about .about-stat__label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.page-about .about-timeline {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 20px;
}

.page-about .about-timeline__visual {
  max-width: 420px;
}

.page-about .about-timeline__visual img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--ink-line);
}

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

.page-about .about-timeline__item {
  position: relative;
  padding-left: 24px;
  border-left: 2px solid var(--ink-line);
}

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(240, 78, 35, 0.2);
}

.page-about .about-timeline__phase {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--silver);
}

.page-about .about-timeline__item h3 {
  font-family: var(--font-head);
  font-size: 1.4rem;
  line-height: 1.2;
  text-transform: uppercase;
  color: var(--text);
  margin: 6px 0;
}

.page-about .about-timeline__item p {
  margin: 0;
  color: var(--text-dim);
  line-height: 1.6;
}

.page-about .about-trust__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 12px;
  margin: 24px 0;
}

.page-about .about-trust__item {
  padding: 20px;
  background: var(--ink-soft);
  border: 1px solid var(--ink-line);
  border-top: 2px solid var(--gold);
}

.page-about .about-trust__item h3 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  text-transform: uppercase;
  color: var(--text);
  margin: 0 0 8px;
}

.page-about .about-trust__item p {
  margin: 0;
  color: var(--text-dim);
  line-height: 1.65;
}

.page-about .about-more {
  position: relative;
  z-index: 1;
  margin-top: 24px;
  padding: 16px;
  border: 1px dashed var(--ink-line);
}

.page-about .about-more a {
  color: var(--gold);
  text-underline-offset: 4px;
}

.page-about .about-more a:hover,
.page-about .about-more a:focus-visible {
  color: var(--accent);
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.page-about .about-cta {
  position: relative;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 56px clamp(16px, 4vw, 56px);
  text-align: center;
  background: var(--ink-soft);
  border-top: 1px solid var(--ink-line);
  border-bottom: 1px solid var(--ink-line);
  clip-path: polygon(0 8%, 100% 0, 100% 92%, 0 100%);
}

.page-about .about-cta p {
  max-width: 560px;
  margin: 0 auto 16px;
  font-family: var(--font-head);
  font-size: 1.4rem;
  line-height: 1.4;
  color: var(--text);
}

@media (min-width: 720px) {
  .page-about .about-hero {
    min-height: 560px;
  }

  .page-about .about-layout {
    display: grid;
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }

  .page-about .about-track {
    margin-top: 48px;
    align-self: start;
  }

  .page-about .about-track__list {
    flex-direction: column;
    gap: 0;
  }

  .page-about .about-boundary__visual {
    grid-template-columns: minmax(0, 1.2fr) minmax(220px, 0.8fr);
    align-items: start;
  }

  .page-about .about-timeline {
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }

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

  .page-about .about-chapter {
    padding: 64px 0 56px;
  }

  .page-about .chapter-head {
    margin-bottom: 32px;
  }
}

@media (min-width: 1024px) {
  .page-about .about-layout {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 48px;
  }

  .page-about .about-chapter {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .page-about .about-hero__title {
    font-size: clamp(3.8rem, 7vw, 6.4rem);
  }

  .page-about .about-cta {
    padding: 72px clamp(16px, 4vw, 56px);
  }
}