.page-about {
  --about-accent: var(--color-orange);
}

.page-about .page-head {
  position: relative;
  padding: 36px 0 44px;
  margin-bottom: 48px;
  border-bottom: 1px solid var(--color-border);
}

.page-about .page-head::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 120px;
  height: 3px;
  background: var(--color-orange);
}

.page-about .page-head__kicker {
  display: inline-block;
  margin-top: 20px;
  padding: 4px 12px;
  background: var(--color-orange);
  color: var(--color-deep);
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transform: skewX(-8deg);
}

.page-about .page-head__title {
  margin: 16px 0 20px;
  max-width: 880px;
  font-size: clamp(32px, 5vw, 64px);
  line-height: 1.05;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.page-about .page-head__title span {
  color: var(--color-orange);
}

.page-about .page-head__lead {
  max-width: 680px;
  color: var(--color-muted);
  font-size: 18px;
  line-height: 1.7;
}

.page-about .section--belief {
  margin-bottom: 56px;
}

.page-about .belief-layout {
  display: grid;
  gap: 32px;
}

.page-about .belief-copy {
  position: relative;
}

.page-about .belief-copy .section-title {
  margin: 0 0 20px;
  max-width: 640px;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.1;
}

.page-about .belief-lead {
  margin: 0 0 20px;
  padding-left: 20px;
  border-left: 4px solid var(--color-orange);
  color: var(--color-text);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.55;
}

.page-about .belief-copy p:not(.belief-lead):not(.section-kicker) {
  max-width: 620px;
  margin-bottom: 16px;
  color: var(--color-muted);
  line-height: 1.75;
}

.page-about .belief-media,
.page-about .stats-media,
.page-about .eco-media {
  margin: 0;
  border: 2px solid var(--color-border);
  background: var(--color-surface);
  box-shadow: 8px 8px 0 rgba(0, 0, 0, 0.25);
}

.page-about .belief-media img,
.page-about .stats-media img,
.page-about .eco-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .belief-media .media__caption,
.page-about .stats-media .media__caption,
.page-about .eco-media .media__caption {
  padding: 12px 16px;
  color: var(--color-muted);
  font-size: 14px;
}

.page-about .section--timeline {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background-color: rgba(255, 107, 53, 0.015);
  background-image: repeating-linear-gradient(
    135deg,
    transparent 0px,
    transparent 10px,
    rgba(255, 107, 53, 0.016) 10px,
    rgba(255, 107, 53, 0.016) 12px
  );
}

.page-about .timeline {
  position: relative;
  margin-top: 40px;
}

.page-about .timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-orange), var(--color-neon) 60%, transparent);
  opacity: 0.55;
}

.page-about .timeline__item {
  position: relative;
  padding-left: 48px;
  margin-bottom: 32px;
}

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

.page-about .timeline__node {
  position: absolute;
  left: 1px;
  top: 20px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-neon);
  border: 3px solid var(--color-deep);
  box-shadow: 0 0 0 2px var(--color-neon);
}

.page-about .timeline__card {
  padding: 20px;
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}

.page-about .timeline__item:hover .timeline__card {
  border-color: var(--color-orange);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.3);
  transform: translateX(4px);
}

.page-about .timeline__period {
  display: inline-block;
  margin-bottom: 12px;
  padding: 3px 10px;
  background: rgba(57, 255, 20, 0.08);
  border: 1px solid rgba(57, 255, 20, 0.3);
  color: var(--color-neon);
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.page-about .timeline__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-text);
}

.page-about .timeline__text {
  margin: 0;
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.65;
}

.page-about .timeline__link {
  display: inline-block;
  margin-top: 10px;
  color: var(--color-orange);
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-about .timeline__link:hover {
  color: var(--color-neon);
  border-bottom-color: var(--color-neon);
}

.page-about .timeline-cta {
  margin-top: 40px;
  padding: 24px;
  border: 2px dashed var(--color-border);
  background: rgba(255, 107, 53, 0.04);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
}

.page-about .timeline-cta__text {
  margin: 0;
  color: var(--color-text);
  font-weight: 600;
  font-size: 16px;
}

.page-about .section--signal {
  border-top: 2px solid var(--color-border);
  border-bottom: 2px solid var(--color-border);
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.06), transparent 45%), linear-gradient(225deg, rgba(57, 255, 20, 0.04), transparent 40%);
}

.page-about .stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 32px 0 28px;
}

.page-about .stat-card {
  position: relative;
  overflow: hidden;
  padding: 22px 18px;
  background: var(--color-deep);
  border: 2px solid var(--color-border);
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}

.page-about .stat-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--color-neon);
  opacity: 0.7;
}

.page-about .stat-card:hover {
  border-color: var(--color-orange);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.3);
  transform: translateY(-4px);
}

.page-about .stat-card__num {
  display: block;
  color: var(--color-orange);
  font-family: var(--font-display);
  font-size: 42px;
  line-height: 1;
  letter-spacing: 0.02em;
}

.page-about .stat-card__label {
  display: block;
  margin-top: 8px;
  color: var(--color-muted);
  font-size: 13px;
  line-height: 1.45;
}

.page-about .stats-media {
  margin-top: 28px;
}

.page-about .section--eco {
  background: linear-gradient(180deg, transparent, rgba(255, 107, 53, 0.03) 50%, transparent);
}

.page-about .eco-layout {
  display: grid;
  gap: 32px;
}

.page-about .eco-layout .section-title {
  margin: 0 0 16px;
  font-size: clamp(26px, 3.5vw, 40px);
  line-height: 1.12;
}

.page-about .eco-lead {
  margin: 0 0 24px;
  max-width: 620px;
  color: var(--color-muted);
  line-height: 1.7;
}

.page-about .section--cert {
  border-top: 1px solid var(--color-border);
}

.page-about .cert-grid {
  display: grid;
  gap: 16px;
  margin-top: 32px;
}

.page-about .cert-card {
  position: relative;
  padding: 28px 24px;
  background: linear-gradient(135deg, var(--color-surface), var(--color-deep));
  border: 2px solid var(--color-border);
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}

.page-about .cert-card:hover {
  border-color: var(--color-orange);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.3);
  transform: translateY(-4px);
}

.page-about .cert-card__mark {
  display: inline-block;
  margin-bottom: 16px;
  padding: 4px 10px;
  background: rgba(57, 255, 20, 0.08);
  border: 1px solid rgba(57, 255, 20, 0.3);
  color: var(--color-neon);
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.page-about .cert-card__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.2;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text);
}

.page-about .cert-card__text {
  margin: 0;
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.65;
}

.page-about .cert-card__link {
  color: var(--color-orange);
  font-weight: 600;
  text-decoration: none;
}

.page-about .cert-card__link:hover {
  color: var(--color-neon);
  text-decoration: underline;
}

@media (min-width: 900px) {
  .page-about .page-head {
    padding: 56px 0 56px;
    margin-bottom: 64px;
  }

  .page-about .page-head__title {
    font-size: 60px;
  }

  .page-about .belief-layout {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 56px;
    align-items: center;
  }

  .page-about .belief-copy::before {
    content: '';
    position: absolute;
    left: -28px;
    top: 0;
    bottom: 0;
    width: 4px;
    background: repeating-linear-gradient(to bottom, var(--color-orange) 0 10px, transparent 10px 20px);
  }

  .page-about .timeline {
    padding: 20px 0;
  }

  .page-about .timeline::before {
    left: 50%;
    transform: translateX(-1px);
  }

  .page-about .timeline__item {
    width: calc(50% - 20px);
    padding-left: 0;
    padding-right: 20px;
    margin-bottom: 48px;
  }

  .page-about .timeline__item:nth-child(even) {
    margin-left: calc(50% + 20px);
    padding-right: 0;
    padding-left: 20px;
  }

  .page-about .timeline__node {
    left: auto;
    right: -9px;
  }

  .page-about .timeline__item:nth-child(even) .timeline__node {
    right: auto;
    left: -9px;
  }

  .page-about .timeline__card {
    padding: 28px;
  }

  .page-about .timeline__item:hover .timeline__card {
    transform: translateY(-4px);
  }

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

  .page-about .timeline-cta__text {
    margin: 0;
  }

  .page-about .stats-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 40px;
  }

  .page-about .stat-card {
    padding: 28px 24px;
  }

  .page-about .stat-card__num {
    font-size: 56px;
  }

  .page-about .stats-media {
    margin-top: 40px;
  }

  .page-about .eco-layout {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 56px;
    align-items: center;
  }

  .page-about .cert-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
}