.page-about {
  --about-track: #3a2b22;
  --about-panel-hover: #223028;
  --about-glow: rgba(183, 225, 74, 0.08);
  background: linear-gradient(180deg, #14181f 0%, rgba(20, 24, 31, 0.96) 28%, rgba(30, 42, 36, 0.45) 68%, #14181f 100%);
  color: #f2efe6;
  position: relative;
  overflow-x: hidden;
}

.page-about__wrap {
  padding-top: 40px;
  padding-bottom: 88px;
  position: relative;
  z-index: 1;
}

.page-about__breadcrumb {
  margin-bottom: 48px;
}

.page-about__intro {
  margin-bottom: 64px;
  padding-bottom: 44px;
  border-bottom: 1px solid var(--line-dark);
}

.page-about__eyebrow {
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--accent-lime);
  margin: 0 0 18px;
}

.page-about__title {
  font-size: 32px;
  font-weight: 900;
  line-height: 1.22;
  color: var(--text-light);
  margin: 0 0 24px;
}

.page-about__title-accent {
  display: block;
  color: var(--accent-moss);
  font-size: 20px;
  font-weight: 700;
  margin-top: 10px;
}

.page-about__lead {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-muted);
  max-width: 780px;
  margin-bottom: 32px;
}

.page-about__intro-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 28px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--accent-terra);
}

.page-about__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}

.page-about__side {
  border-bottom: 1px solid var(--line-dark);
  padding-bottom: 32px;
  margin-bottom: 8px;
}

.page-about__side-label {
  font-size: 12px;
  color: var(--accent-yellow);
  letter-spacing: 0.2em;
  margin: 0 0 20px;
}

.page-about__toc {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about__toc a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  color: var(--text-light);
  text-decoration: none;
  font-size: 14px;
  background: var(--bg-panel);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-about__toc a:hover,
.page-about__toc a:focus-visible {
  border-color: var(--accent-lime);
  transform: translateX(2px);
}

.page-about__toc .mono {
  font-size: 12px;
  color: var(--accent-lime);
}

.page-about__side-version {
  margin-top: 24px;
  padding: 16px;
  background: var(--bg-panel);
  border-radius: var(--radius);
  border: 1px solid var(--line-dark);
  display: none;
}

.page-about__side-version-label {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.16em;
  margin: 0 0 8px;
}

.page-about__side-version-num {
  font-size: 28px;
  color: var(--accent-yellow);
  margin: 0 0 8px;
  line-height: 1;
}

.page-about__side-version-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.55;
  margin: 0;
}

.page-about__main {
  display: flex;
  flex-direction: column;
  gap: 72px;
  min-width: 0;
}

.page-about__section {
  scroll-margin-top: 100px;
}

.page-about__sec-head {
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line-dark);
  position: relative;
}

.page-about__sec-head::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 48px;
  height: 2px;
  background: var(--accent-lime);
}

.page-about__sec-index {
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--accent-terra);
  margin: 0 0 8px;
}

.page-about__sec-title {
  font-size: 28px;
  font-weight: 900;
  margin: 0;
  color: var(--text-light);
}

.page-about__sec-lead {
  color: var(--text-muted);
  line-height: 1.7;
  margin: 0 0 28px;
  max-width: 640px;
}

.page-about__story {
  display: grid;
  gap: 24px;
}

.page-about__story-copy p {
  color: var(--text-light);
  line-height: 1.8;
  margin: 0 0 16px;
}

.page-about__story-copy p:last-child {
  margin-bottom: 0;
}

.page-about__img-block {
  margin: 0;
}

.page-about__img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--line-dark);
  display: block;
}

.page-about__img-block figcaption {
  margin-top: 8px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.page-about__timeline {
  position: relative;
  padding-left: 28px;
}

.page-about__timeline-track {
  position: absolute;
  left: 9px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(180deg, var(--line-dark), var(--accent-moss), var(--line-dark));
}

.page-about__timeline-list {
  display: flex;
  flex-direction: column;
  gap: 36px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about__timeline-item {
  position: relative;
}

.page-about__timeline-node {
  position: absolute;
  left: -28px;
  top: 6px;
  width: 18px;
  height: 18px;
  z-index: 1;
}

.page-about__timeline-node svg {
  width: 18px;
  height: 18px;
  display: block;
  transition: transform 0.3s var(--ease);
}

.page-about__timeline-item:hover .page-about__timeline-node svg,
.page-about__timeline-item:focus-within .page-about__timeline-node svg {
  transform: scale(1.3);
}

.page-about__timeline-card {
  padding: 16px;
  background: var(--bg-panel);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  transition: background 0.3s var(--ease), box-shadow 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-about__timeline-item:hover .page-about__timeline-card {
  background: var(--about-panel-hover);
  box-shadow: 0 8px 24px rgba(11, 14, 17, 0.5);
  transform: translateX(4px);
}

.page-about__timeline-tag {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--accent-lime);
  margin: 0 0 6px;
}

.page-about__timeline-card-title {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--text-light);
}

.page-about__timeline-card-desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-muted);
  margin: 0;
}

.page-about__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

.page-about__stat {
  padding: 20px 16px;
  background: var(--bg-panel);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  text-align: center;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-about__stat:hover {
  border-color: var(--accent-moss);
  transform: translateY(-2px);
}

.page-about__stat-num {
  font-size: 28px;
  font-weight: 700;
  color: var(--accent-yellow);
  margin: 0 0 8px;
  line-height: 1;
}

.page-about__stat-num small {
  font-size: 14px;
  margin-left: 4px;
  color: var(--accent-moss);
  font-weight: 400;
}

.page-about__stat-label {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0;
}

.page-about__section-cert {
  background: linear-gradient(135deg, rgba(30, 42, 36, 0.55), transparent 75%);
}

.page-about__cert-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-bottom: 24px;
}

.page-about__cert-card {
  position: relative;
  padding: 24px;
  background: var(--bg-panel);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-about__cert-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(11, 14, 17, 0.5);
}

.page-about__cert-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--accent-yellow);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.3s var(--ease);
}

.page-about__cert-card:hover::before {
  transform: scaleY(1);
}

.page-about__cert-icon {
  width: 40px;
  height: 40px;
  margin-bottom: 16px;
  display: block;
}

.page-about__cert-title {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 10px;
  color: var(--text-light);
}

.page-about__cert-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.page-about__cert-tag {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--accent-lime);
  padding: 4px 8px;
  border: 1px solid var(--accent-moss);
  border-radius: 2px;
  display: inline-block;
}

.page-about__cert-note {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.7;
  padding-left: 16px;
  border-left: 2px solid var(--accent-moss);
  margin: 0;
}

.page-about__eco-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-about__eco-card {
  position: relative;
  padding: 20px;
  background: var(--bg-panel);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-about__eco-card:hover {
  border-color: var(--accent-yellow);
  transform: translateY(-2px);
}

.page-about__eco-index {
  color: var(--accent-terra);
  font-size: 12px;
  margin: 0 0 12px;
  letter-spacing: 0.12em;
}

.page-about__eco-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 10px;
  color: var(--text-light);
}

.page-about__eco-card p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.65;
  margin: 0;
}

.page-about__culture-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-about__culture-copy p {
  color: var(--text-light);
  line-height: 1.8;
  margin: 0 0 14px;
}

.page-about__culture-copy p:last-child {
  margin-bottom: 0;
}

.page-about__cta {
  margin-top: 16px;
  padding: 32px 24px;
  background: linear-gradient(118deg, var(--about-glow), transparent 45%), var(--bg-panel);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
}

.page-about__cta::after {
  content: "/";
  position: absolute;
  right: 24px;
  bottom: -18px;
  font-size: 120px;
  font-family: var(--font-mono);
  color: rgba(183, 225, 74, 0.06);
  line-height: 1;
  pointer-events: none;
}

.page-about__cta-label {
  color: var(--accent-yellow);
  font-size: 12px;
  letter-spacing: 0.22em;
  margin: 0 0 12px;
}

.page-about__cta-title {
  font-size: 24px;
  font-weight: 900;
  margin: 0 0 16px;
  color: var(--text-light);
}

.page-about__cta-desc {
  color: var(--text-muted);
  line-height: 1.65;
  margin: 0 0 24px;
  max-width: 560px;
}

.page-about__cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 768px) {
  .page-about__title {
    font-size: 44px;
  }

  .page-about__title-accent {
    font-size: 26px;
  }

  .page-about__sec-title {
    font-size: 32px;
  }

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

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

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

@media (min-width: 992px) {
  .page-about__layout {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 64px;
  }

  .page-about__side {
    position: sticky;
    top: 120px;
    align-self: start;
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
  }

  .page-about__toc {
    flex-direction: column;
    gap: 4px;
  }

  .page-about__toc a {
    width: 100%;
    border: none;
    background: transparent;
    padding: 8px 0;
    border-bottom: 1px solid var(--line-dark);
    border-radius: 0;
  }

  .page-about__toc a:hover,
  .page-about__toc a:focus-visible {
    border-color: var(--accent-lime);
    padding-left: 4px;
  }

  .page-about__side-version {
    display: block;
  }

  .page-about__story {
    grid-template-columns: 1fr 1.2fr;
    gap: 40px;
    align-items: center;
  }

  .page-about__culture-grid {
    grid-template-columns: 1fr 1.2fr;
    gap: 40px;
    align-items: center;
  }
}