.page-about {
  --about-line: rgba(192, 197, 206, 0.22);
  background:
    radial-gradient(circle at 8% 2%, rgba(255, 77, 0, 0.08), transparent 32%),
    radial-gradient(circle at 90% 44%, rgba(255, 210, 0, 0.05), transparent 24%),
    var(--color-bg);
}

.page-about .about-head {
  padding: 0.75rem 0 0;
}

.page-about .about-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  min-height: clamp(420px, 72vh, 660px);
  background: var(--color-bg);
}

.page-about .about-hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 32%;
  opacity: 0.68;
}

.page-about .about-hero::before,
.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
}

.page-about .about-hero::before {
  background:
    linear-gradient(135deg, rgba(255, 77, 0, 0.2) 0%, transparent 44%),
    radial-gradient(circle at 76% 18%, rgba(255, 210, 0, 0.14), transparent 38%);
}

.page-about .about-hero::after {
  background: linear-gradient(180deg, rgba(10, 17, 40, 0.78) 0%, rgba(10, 17, 40, 0.64) 45%, rgba(10, 17, 40, 0.97) 100%);
}

.page-about .about-hero-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: clamp(4rem, 10vw, 6.5rem) 0 clamp(2.5rem, 6vw, 4.5rem);
}

.page-about .about-hero-overline {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin: 0 0 1rem;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.32em;
  color: var(--color-accent);
  text-transform: uppercase;
}

.page-about .about-hero-overline::before {
  content: "";
  display: inline-block;
  width: 2.5rem;
  height: 2px;
  background: var(--color-primary);
}

.page-about .about-hero-title {
  max-width: 18ch;
  margin: 0 0 1.25rem;
  font-family: var(--font-headline);
  font-style: italic;
  font-size: var(--fs-h1);
  line-height: 1.02;
  letter-spacing: 0.01em;
  color: var(--color-text);
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.55);
}

.page-about .about-hero-lead {
  max-width: 64ch;
  margin: 0 0 1.5rem;
  font-size: clamp(1rem, 1.6vw, 1.125rem);
  line-height: 1.85;
  color: var(--color-silver);
}

.page-about .about-hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-about .data-chip {
  padding: 0.5rem 0.85rem;
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-text);
  font-size: 0.875rem;
  letter-spacing: 0.04em;
}

.page-about .about-section {
  padding: clamp(3.25rem, 8vw, 6.5rem) 0 clamp(2.5rem, 6vw, 4.75rem);
  scroll-margin-top: calc(var(--header-h) + var(--ticker-h) + 1rem);
}

.page-about .about-section-grid {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

.page-about .about-section-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.6rem;
  margin-bottom: 0.25rem;
}

.page-about .about-chapter-num {
  font-family: var(--font-headline);
  font-style: italic;
  font-size: clamp(3.25rem, 7vw, 5rem);
  line-height: 0.85;
  color: transparent;
  -webkit-text-stroke: 2px var(--about-line);
  opacity: 0.55;
  user-select: none;
}

.page-about .about-chapter-label {
  padding-left: 0.85rem;
  border-left: 3px solid var(--color-primary);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  color: var(--color-accent);
  text-transform: uppercase;
}

.page-about .about-rail-caption {
  max-width: 12ch;
  font-size: 0.8125rem;
  color: var(--color-text-dim);
  letter-spacing: 0.05em;
}

.page-about .about-section-main {
  max-width: 76ch;
}

.page-about .about-section-main > h2 {
  margin: 0 0 1.1rem;
  font-family: var(--font-headline);
  font-size: var(--fs-h2);
  line-height: 1.04;
  letter-spacing: 0.01em;
  color: var(--color-text);
}

.page-about .about-section-main > p {
  margin: 0 0 1rem;
  line-height: 1.9;
  color: var(--color-text-dim);
}

.page-about .about-section-main strong {
  color: var(--color-text);
  font-weight: 600;
}

.page-about .about-origin-note {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 1.5rem 0 0;
  padding: 0.85rem 1rem;
  border: 1px dashed rgba(255, 210, 0, 0.4);
  border-radius: var(--radius-sm);
  background: rgba(19, 28, 51, 0.5);
  font-size: 0.875rem;
  color: var(--color-text-dim);
}

.page-about .about-origin-note span {
  flex: none;
  padding: 0.35rem 0.55rem;
  border-radius: 2px;
  background: rgba(255, 210, 0, 0.12);
  font-family: var(--font-headline);
  font-size: 0.8125rem;
  letter-spacing: 0.18em;
  color: var(--color-accent);
}

.page-about .about-quote {
  margin: 1.5rem 0 0;
  padding: 1rem 1.25rem;
  border-left: 4px solid var(--color-accent);
  background: linear-gradient(90deg, rgba(255, 210, 0, 0.08), transparent 70%);
  font-family: var(--font-headline);
  font-size: 1.125rem;
  line-height: 1.4;
  letter-spacing: 0.02em;
  color: var(--color-text);
}

.page-about .about-timeline-section {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: linear-gradient(180deg, transparent, rgba(19, 28, 51, 0.42) 8%, rgba(19, 28, 51, 0.42) 92%, transparent);
}

.page-about .about-timeline {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
}

.page-about .about-timeline-item {
  position: relative;
  padding: 0 0 clamp(1.75rem, 4vw, 2.5rem) 2.25rem;
}

.page-about .about-timeline-item:last-child {
  padding-bottom: 0.5rem;
}

.page-about .about-timeline-item::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(255, 77, 0, 0.18), 0 0 18px rgba(255, 77, 0, 0.55);
}

.page-about .about-timeline-item::after {
  content: "";
  position: absolute;
  left: 11px;
  top: 22px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(180deg, rgba(255, 77, 0, 0.4), rgba(255, 210, 0, 0.12));
}

.page-about .about-timeline-item:last-child::after {
  display: none;
}

.page-about .about-timeline-year {
  display: block;
  margin-bottom: 0.4rem;
  font-family: var(--font-headline);
  font-size: 1.875rem;
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--color-accent);
}

.page-about .about-timeline-content h3 {
  margin: 0 0 0.35rem;
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--color-text);
}

.page-about .about-timeline-content p {
  max-width: 58ch;
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--color-text-dim);
}

.page-about .about-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.875rem;
  margin: 1.75rem 0 1.25rem;
}

.page-about .about-stat-hero {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 9rem;
  overflow: hidden;
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.06), rgba(19, 28, 51, 0.55));
  box-shadow: var(--shadow-micro);
}

.page-about .about-stat-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 3px;
  background: var(--color-primary);
  transform: scaleX(0.6);
  transform-origin: left;
}

.page-about .about-stat-hero--accent::after {
  background: var(--color-accent);
}

.page-about .about-stat-hero-num {
  font-family: var(--font-headline);
  font-size: clamp(2.75rem, 6vw, 4.5rem);
  line-height: 1;
  color: var(--color-text);
}

.page-about .about-stat-hero-label {
  margin-top: 0.75rem;
  font-size: 0.875rem;
  letter-spacing: 0.14em;
  color: var(--color-silver);
}

.page-about .about-stat-mini {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 1rem 1.15rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: rgba(19, 28, 51, 0.4);
  font-size: 0.8125rem;
  line-height: 1.4;
  color: var(--color-text-dim);
}

.page-about .about-stat-mini span {
  margin-bottom: 0.25rem;
  font-family: var(--font-headline);
  font-size: 1.5rem;
  color: var(--color-accent);
}

.page-about .about-tech-intro {
  font-weight: 500;
  color: var(--color-text);
}

.page-about .about-tech-grid {
  display: grid;
  gap: 1rem;
  margin: 1.75rem 0 1.5rem;
}

.page-about .about-tech-card {
  position: relative;
  padding: 1.5rem 1.4rem 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: rgba(19, 28, 51, 0.45);
  box-shadow: var(--shadow-micro);
}

.page-about .about-tech-card::before {
  content: attr(data-step);
  position: absolute;
  right: 1rem;
  top: -0.7rem;
  padding: 0.15rem 0.5rem;
  transform: skewX(-10deg);
  background: var(--color-accent);
  font-family: var(--font-headline);
  font-style: italic;
  font-size: 1rem;
  color: var(--color-bg);
}

.page-about .about-tech-card h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-headline);
  font-size: 1.1rem;
  color: var(--color-text);
}

.page-about .about-tech-card p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--color-text-dim);
}

.page-about .about-figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-about .about-figure figcaption {
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.8125rem;
  color: var(--color-text-dim);
}

.page-about .about-value-grid {
  display: grid;
  gap: 1rem;
  margin: 1.75rem 0 1.5rem;
}

.page-about .about-value-item {
  position: relative;
  padding: 1.4rem 1.4rem 1.4rem 1.5rem;
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.05), rgba(19, 28, 51, 0.5));
}

.page-about .about-value-item:nth-child(2) {
  border-left-color: var(--color-accent);
}

.page-about .about-value-item:nth-child(3) {
  border-left-color: var(--color-silver);
}

.page-about .about-value-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  transform: skewX(-12deg);
  background: var(--color-primary);
  font-family: var(--font-headline);
  font-style: italic;
  font-size: 0.9375rem;
  color: var(--color-bg);
}

.page-about .about-value-item:nth-child(2) .about-value-num {
  background: var(--color-accent);
}

.page-about .about-value-item:nth-child(3) .about-value-num {
  background: var(--color-silver);
}

.page-about .about-value-item h3 {
  margin: 0.85rem 0 0.5rem;
  font-family: var(--font-headline);
  font-size: 1.2rem;
  color: var(--color-text);
}

.page-about .about-value-item p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--color-text-dim);
}

.page-about .about-cta {
  padding: 1.5rem 0 clamp(3.5rem, 7vw, 6rem);
}

.page-about .about-cta-inner {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  overflow: hidden;
  padding: clamp(1.75rem, 4vw, 3rem);
  border: 1px solid rgba(255, 77, 0, 0.35);
  border-radius: var(--radius-lg);
  background: linear-gradient(120deg, rgba(255, 77, 0, 0.18), transparent 38%), var(--color-panel);
}

.page-about .about-cta-inner::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 5px;
  background: linear-gradient(180deg, var(--color-primary), var(--color-accent));
}

.page-about .about-cta-copy h2 {
  margin: 0 0 0.75rem;
  font-family: var(--font-headline);
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  line-height: 1.15;
  color: var(--color-text);
}

.page-about .about-cta-copy p {
  max-width: 58ch;
  margin: 0;
  line-height: 1.75;
  color: var(--color-text-dim);
}

.page-about .about-cta-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  margin-top: 0.75rem;
}

.page-about .about-cta-links a {
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-about .about-trust {
  max-width: 76ch;
  margin: 1.25rem 0 0;
  padding-left: 1.5rem;
  border-left: 3px solid var(--color-accent);
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--color-text-dim);
}

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

@media (min-width: 860px) {
  .page-about .about-section-grid {
    grid-template-columns: minmax(0, 11rem) minmax(0, 1fr);
    gap: clamp(2rem, 5vw, 4.5rem);
  }

  .page-about .about-section-meta {
    position: sticky;
    top: calc(var(--header-h) + var(--ticker-h) + 1.25rem);
    align-self: start;
  }

  .page-about .about-stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-about .about-stat-hero:first-child {
    grid-column: span 2;
  }

  .page-about .about-tech-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
  }

  .page-about .about-tech-card:nth-child(1),
  .page-about .about-tech-card:nth-child(4) {
    grid-column: 1 / -1;
  }

  .page-about .about-tech-card:nth-child(2) {
    margin-top: 0.75rem;
  }

  .page-about .about-cta-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 1120px) {
  .page-about .about-stats-grid {
    grid-template-columns: 1.15fr 1.15fr 0.85fr 0.85fr 0.8fr;
  }

  .page-about .about-stat-hero:first-child {
    grid-column: auto;
  }
}