.page-about {
  --about-gold-line: rgba(212, 175, 55, 0.36);
  --about-panel: rgba(18, 23, 21, 0.52);
  background: var(--color-muted-green);
  color: var(--color-white);
  overflow-x: clip;
}

.page-about a {
  color: var(--color-pale-gold);
  text-decoration: none;
}

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

.page-about .section-desc {
  max-width: 56ch;
  color: var(--color-off-white);
}

.page-about .breadcrumb {
  margin-bottom: var(--space-4);
}

.page-about .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .about-hero {
  position: relative;
  padding: var(--space-4) 0 var(--space-6);
  background:
    radial-gradient(circle at 78% 18%, rgba(212, 175, 55, 0.14), transparent 26%),
    linear-gradient(135deg, var(--color-primary), var(--color-muted-green));
}

.page-about .about-hero__echo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.page-about .about-hero__grid {
  position: relative;
  display: grid;
  gap: var(--space-4);
  align-items: center;
}

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

.page-about .about-hero__eyebrow {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: 0 0 var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--caption);
  letter-spacing: 0.02em;
  color: var(--color-pale-gold);
}

.page-about .about-hero__lead {
  margin: var(--space-3) 0 0;
  max-width: 36em;
  line-height: 1.75;
  color: var(--color-off-white);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.page-about .about-hero__media {
  margin: 0;
  padding: var(--space-2);
  background: var(--color-charcoal);
  border: 1px solid var(--about-gold-line);
}

.page-about .about-hero__media img {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .about-evolution {
  background: var(--color-muted-green);
  padding: var(--space-5) 0 var(--space-6);
}

.page-about .about-evolution__layout {
  display: grid;
  gap: var(--space-5);
  margin-top: var(--space-4);
}

.page-about .about-phase-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.page-about .about-phase-tag {
  font-family: var(--font-mono);
  text-decoration: none;
}

.page-about .about-phase-tag:hover,
.page-about .about-phase-tag:focus-visible {
  background: var(--color-pale-gold);
  color: var(--color-dark);
  outline: none;
}

.page-about .about-phase-tag:focus-visible {
  outline: 2px solid var(--color-white);
  outline-offset: 2px;
}

.page-about .about-timeline__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 2px solid var(--about-gold-line);
  margin-left: 6px;
}

.page-about .about-timeline__item {
  position: relative;
  padding-left: var(--space-4);
  margin-bottom: var(--space-4);
  scroll-margin-top: 4rem;
}

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 1.2rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 2px solid var(--color-accent);
}

.page-about .about-timeline__item:target .about-timeline__details {
  background: var(--color-light-green);
  border-left-color: var(--color-accent);
}

.page-about .about-timeline__details {
  background: rgba(11, 61, 46, 0.54);
  border: 1px solid rgba(248, 249, 247, 0.08);
  border-left: 3px solid var(--color-accent);
  padding: var(--space-3);
}

.page-about .about-timeline__summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

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

.page-about .about-timeline__summary:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
}

.page-about .about-timeline__date {
  font-family: var(--font-mono);
  font-size: var(--caption);
  letter-spacing: 0.04em;
  color: var(--color-accent);
}

.page-about .about-timeline__title {
  font-size: var(--h3);
  font-weight: 700;
  color: var(--color-white);
}

.page-about .about-timeline__body {
  margin-top: var(--space-2);
  line-height: 1.7;
  color: var(--color-off-white);
}

.page-about .about-archive__heading {
  margin: 0 0 var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--caption);
  letter-spacing: 0.14em;
  color: var(--color-pale-gold);
}

.page-about .about-archive__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
}

.page-about .about-card {
  position: relative;
  overflow: hidden;
  padding: var(--space-3);
  background: var(--color-charcoal);
  border: 1px solid rgba(212, 175, 55, 0.22);
}

.page-about .about-card::after {
  content: "";
  position: absolute;
  right: -22px;
  top: -22px;
  width: 64px;
  height: 64px;
  border: 1px solid var(--about-gold-line);
  transform: rotate(45deg);
}

.page-about .about-card__num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--caption);
  color: var(--color-accent);
}

.page-about .about-card__name {
  margin: var(--space-2) 0 var(--space-1);
  font-size: 1.05rem;
  color: var(--color-white);
}

.page-about .about-card__text {
  margin: 0;
  font-size: var(--caption);
  line-height: 1.6;
  color: var(--color-off-white);
}

.page-about .about-divider {
  line-height: 0;
  background: var(--color-primary);
}

.page-about .about-divider__svg {
  display: block;
  width: 100%;
  height: 80px;
}

.page-about .about-scale {
  padding: var(--space-5) 0 var(--space-6);
  background: linear-gradient(180deg, var(--color-muted-green), var(--color-primary));
}

.page-about .about-scale__stats {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.page-about .about-scale__stat {
  position: relative;
  padding: var(--space-4) var(--space-3);
  background: var(--about-panel);
  border-top: 2px solid var(--color-accent);
}

.page-about .about-scale__index {
  display: block;
  margin-bottom: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--caption);
  color: var(--color-accent);
}

.page-about .about-scale__label {
  margin: var(--space-2) 0 0;
  font-size: var(--caption);
  line-height: 1.6;
  color: var(--color-off-white);
}

.page-about .about-scale__categories {
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-5);
}

.page-about .about-category {
  background: rgba(248, 249, 247, 0.06);
  border-left: 3px solid var(--color-light-green);
  padding: var(--space-3) var(--space-4);
}

.page-about .about-category__code {
  font-family: var(--font-mono);
  font-size: var(--caption);
  color: var(--color-accent);
}

.page-about .about-category__title {
  margin: var(--space-1) 0;
  font-size: 1.1rem;
  color: var(--color-white);
}

.page-about .about-category__desc {
  margin: 0;
  font-size: var(--caption);
  line-height: 1.7;
  color: var(--color-off-white);
}

.page-about .about-version {
  padding: var(--space-5) 0 var(--space-6);
  background: var(--color-dark);
}

.page-about .about-version__grid {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.page-about .about-version__copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-2);
  line-height: 1.75;
  color: var(--color-off-white);
}

.page-about .about-version__format {
  padding: 0.1em 0.4em;
  background: rgba(0, 0, 0, 0.25);
  font-family: var(--font-mono);
  color: var(--color-pale-gold);
}

.page-about .version-copy {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.page-about .version-copy__code {
  font-family: var(--font-mono);
}

.page-about .version-copy__value {
  font-family: var(--font-base);
}

.page-about .about-version__steps {
  margin: var(--space-3) 0 0;
  padding: 0;
  list-style: none;
  counter-reset: about-step;
  display: grid;
  gap: var(--space-2);
}

.page-about .about-version__steps li {
  position: relative;
  counter-increment: about-step;
  padding-left: 2.2rem;
  color: var(--color-off-white);
}

.page-about .about-version__steps li::before {
  content: counter(about-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono);
  color: var(--color-accent);
}

.page-about .about-version__rules {
  display: grid;
  gap: var(--space-2);
  align-content: start;
}

.page-about .about-rule {
  background: var(--color-muted-green);
  padding: var(--space-3) var(--space-4);
  border: 1px solid rgba(212, 175, 55, 0.2);
  border-bottom: 2px solid var(--color-accent);
}

.page-about .about-rule__label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--caption);
  letter-spacing: 0.08em;
  color: var(--color-accent);
}

.page-about .about-rule__value {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--h3);
  font-weight: 700;
  color: var(--color-white);
}

.page-about .about-rule p {
  margin: var(--space-2) 0 0;
  font-size: var(--caption);
  line-height: 1.6;
  color: var(--color-off-white);
}

.page-about .about-process {
  padding: var(--space-5) 0 var(--space-6);
  background: var(--color-muted-green);
}

.page-about .about-process__grid {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.page-about .about-process__steps {
  position: relative;
  display: grid;
  gap: var(--space-2);
}

.page-about .about-process__step {
  position: relative;
  padding: var(--space-3) var(--space-3) var(--space-3) 4.2rem;
  background: rgba(18, 23, 21, 0.42);
  border-left: 3px solid transparent;
  transition: background var(--transition), border-color var(--transition);
}

.page-about .about-process__step:hover {
  background: rgba(42, 107, 79, 0.28);
  border-left-color: var(--color-accent);
}

.page-about .about-process__num {
  position: absolute;
  left: var(--space-3);
  top: var(--space-3);
  font-family: var(--font-mono);
  font-size: 1.3rem;
  color: var(--color-accent);
}

.page-about .about-process__title {
  margin: 0 0 var(--space-1);
  color: var(--color-white);
}

.page-about .about-process__desc {
  margin: 0;
  font-size: var(--caption);
  line-height: 1.7;
  color: var(--color-off-white);
}

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

.page-about .about-process__media img {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .about-process .alert-note {
  margin-top: var(--space-4);
  border-color: var(--color-accent);
  color: var(--color-off-white);
}

.page-about .about-promise {
  padding: var(--space-5) 0 var(--space-6);
  background: var(--color-dark);
}

.page-about .about-promise__grid {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.page-about .about-promise__intro p {
  max-width: 42em;
  line-height: 1.8;
  color: var(--color-off-white);
}

.page-about .about-promise__principles {
  display: grid;
  gap: var(--space-2);
}

.page-about .about-principle {
  background: rgba(11, 61, 46, 0.36);
  border-top: 1px solid rgba(212, 175, 55, 0.3);
  padding: var(--space-3) var(--space-4);
}

.page-about .about-principle__num {
  display: block;
  font-family: var(--font-mono);
  color: var(--color-accent);
}

.page-about .about-principle__title {
  margin: var(--space-1) 0;
  color: var(--color-white);
}

.page-about .about-principle__desc {
  margin: 0;
  font-size: var(--caption);
  line-height: 1.7;
  color: var(--color-off-white);
}

.page-about .about-promise__media {
  margin: var(--space-5) auto 0;
  max-width: 900px;
}

.page-about .about-promise__media img {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .big-number {
  color: var(--color-white);
}

.page-about .big-number__unit {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--color-pale-gold);
}

@media (min-width: 560px) {
  .page-about .about-archive__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 720px) {
  .page-about .about-divider__svg {
    height: 110px;
  }

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

@media (min-width: 960px) {
  .page-about .about-hero {
    padding-top: var(--space-5);
  }

  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--space-6);
  }

  .page-about .about-evolution__layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
    gap: var(--space-6);
  }

  .page-about .about-scale__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-version__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
    gap: var(--space-6);
  }

  .page-about .about-process__grid {
    grid-template-columns: minmax(0, 1fr) minmax(320px, 1fr);
    gap: var(--space-5);
    align-items: center;
  }

  .page-about .about-promise__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
    gap: var(--space-6);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    transition-duration: 0.01ms !important;
  }
}