.page-about {
  --about-red: #E6342A;
  --about-red-deep: #A61C14;
  --about-gold: #F7B500;
  --about-gold-light: #FFD966;
  --about-bg-deep: #141414;
  --about-panel: #212021;
  --about-line: rgba(255, 255, 255, 0.09);
}

.page-about .breadcrumb {
  padding: calc(var(--header-h) + 28px) 0 12px;
  font-size: 13px;
  color: var(--c-text-alt);
}

.page-about .about-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse 90% 55% at 100% 0%, rgba(230, 52, 42, 0.22), transparent 65%),
    linear-gradient(180deg, var(--about-bg-deep) 0%, var(--c-bg) 100%);
}

.page-about .about-hero__grid {
  display: grid;
  gap: 36px;
}

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

.page-about .about-hero h1 {
  margin: 16px 0 20px;
  font-family: var(--font-display);
  font-size: clamp(34px, 8vw, 64px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: 0.02em;
  color: var(--c-text);
}

.page-about .about-hero__lead {
  margin: 0 0 12px;
  font-size: 17px;
  font-weight: 600;
  color: var(--about-gold);
}

.page-about .about-hero__desc {
  margin: 0 0 28px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-text-alt);
}

.page-about .about-hero__actions,
.page-about .about-local__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .about-hero__media,
.page-about .about-data__media,
.page-about .about-local__media {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
}

.page-about .about-hero__media {
  aspect-ratio: 8 / 5;
}

.page-about .about-data__media {
  aspect-ratio: 3 / 2;
  box-shadow: var(--shadow-card);
}

.page-about .about-local__media {
  aspect-ratio: 8 / 5;
}

.page-about .about-hero__media img,
.page-about .about-data__media img,
.page-about .about-local__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-about .about-hero__bg {
  position: absolute;
  right: -4px;
  bottom: 24px;
  z-index: 0;
  text-align: right;
  pointer-events: none;
  user-select: none;
}

.page-about .about-hero__bg-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(96px, 24vw, 220px);
  font-weight: 900;
  line-height: 0.8;
  color: rgba(245, 245, 245, 0.045);
  letter-spacing: -0.04em;
}

.page-about .about-hero__bg-unit {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 15px;
  color: rgba(247, 181, 0, 0.18);
  letter-spacing: 0.5em;
}

.page-about .about-chapter-index {
  position: relative;
  z-index: 1;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--about-line);
}

.page-about .about-data {
  background: var(--about-bg-deep);
}

.page-about .about-data__metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 36px;
}

.page-about .about-data__metric {
  position: relative;
  padding: 18px 14px;
  background: var(--about-panel);
  border-radius: 14px;
  overflow: hidden;
}

.page-about .about-data__metric--red {
  background: linear-gradient(160deg, rgba(230, 52, 42, 0.3) 0%, var(--about-panel) 70%);
}

.page-about .about-data__metric--gold {
  background: linear-gradient(160deg, rgba(247, 181, 0, 0.2) 0%, var(--about-panel) 70%);
}

.page-about .about-data__metric--line {
  border: 1px solid var(--about-line);
}

.page-about .about-data__metric--red::after,
.page-about .about-data__metric--gold::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
}

.page-about .about-data__metric--red::after {
  background: linear-gradient(90deg, var(--about-red-deep), var(--about-red));
}

.page-about .about-data__metric--gold::after {
  background: linear-gradient(90deg, var(--about-gold), var(--about-gold-light));
}

.page-about .about-data__metric-value {
  display: block;
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 800;
  line-height: 1.2;
  color: var(--about-gold-light);
}

.page-about .about-data__metric--red .about-data__metric-value {
  color: #FF8A80;
}

.page-about .about-data__metric-label {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.45;
  color: var(--c-text-alt);
}

.page-about .about-data__layout {
  display: grid;
  gap: 28px;
}

.page-about .about-data__copy {
  padding: 28px;
  background: var(--about-panel);
  border-radius: var(--radius);
  border-top: 3px solid var(--about-gold);
}

.page-about .about-data__copy h3,
.page-about .about-local__content h3 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  color: var(--c-text);
}

.page-about .about-data__copy p,
.page-about .about-local__content p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-text-alt);
}

.page-about .about-data__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.page-about .about-milestones {
  background: linear-gradient(180deg, var(--c-bg) 0%, var(--about-bg-deep) 100%);
}

.page-about .about-milestones__track {
  position: relative;
  margin-top: 40px;
  padding-left: 24px;
}

.page-about .about-milestones__track::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--about-red), var(--about-gold));
  opacity: 0.35;
}

.page-about .about-milestones__item {
  position: relative;
  padding: 0 0 32px 20px;
}

.page-about .about-milestones__item:last-child {
  padding-bottom: 0;
}

.page-about .about-milestones__dot {
  position: absolute;
  top: 4px;
  left: -22px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--about-red);
  border: 3px solid var(--c-bg);
  box-shadow: 0 0 0 2px rgba(230, 52, 42, 0.55);
}

.page-about .about-milestones__card {
  padding: 20px 22px;
  background: var(--about-panel);
  border-radius: var(--radius);
  border-left: 3px solid var(--about-gold);
  box-shadow: var(--shadow-card);
}

.page-about .about-milestones__card h3 {
  margin: 12px 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  color: var(--c-text);
}

.page-about .about-milestones__card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-text-alt);
}

.page-about .about-milestones__note {
  margin-top: 36px;
  padding-top: 20px;
  border-top: 1px solid var(--about-line);
  font-size: 14px;
  color: var(--c-text-alt);
}

.page-about .about-milestones__note a,
.page-about .about-credential__note a {
  color: var(--about-gold-light);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-about .about-credential {
  background: var(--about-bg-deep);
}

.page-about .about-credential__tabs {
  margin-top: 32px;
}

.page-about .about-credential__panel {
  padding-top: 32px;
}

.page-about .about-credential__panel:focus-visible {
  outline: 2px solid var(--about-gold);
  outline-offset: 4px;
}

.page-about .about-credential__grid {
  display: grid;
  gap: 18px;
}

.page-about .about-credential__badge {
  position: relative;
  padding: 28px 20px 24px;
  text-align: center;
  background:
    radial-gradient(circle at 50% 0%, rgba(230, 52, 42, 0.12), transparent 70%),
    var(--about-panel);
  border: 1px solid rgba(230, 52, 42, 0.3);
  border-radius: 18px;
  transition: transform var(--transition), border-color var(--transition);
}

.page-about .about-credential__badge:hover {
  transform: translateY(-4px);
  border-color: rgba(247, 181, 0, 0.55);
}

.page-about .about-credential__badge-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  margin-bottom: 16px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--about-red) 0%, var(--about-red-deep) 100%);
  border: 2px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 0 0 8px rgba(230, 52, 42, 0.12);
  color: var(--c-text);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-indent: 0.12em;
}

.page-about .about-credential__badge h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 800;
  color: var(--c-text);
}

.page-about .about-credential__badge p {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--c-text-alt);
}

.page-about .about-credential__note {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--about-line);
  font-size: 14px;
  color: var(--c-text-alt);
}

.page-about .about-local {
  background:
    radial-gradient(ellipse 70% 40% at 15% 85%, rgba(247, 181, 0, 0.08), transparent 60%),
    linear-gradient(180deg, var(--c-bg), var(--about-bg-deep));
}

.page-about .about-local__grid {
  display: grid;
  gap: 32px;
  margin-top: 36px;
}

.page-about .about-local__content {
  padding: 28px;
  background: var(--about-panel);
  border-radius: var(--radius);
  border-top: 3px solid var(--about-red);
}

.page-about .about-local__note {
  padding: 12px 14px;
  background: rgba(247, 181, 0, 0.06);
  border-left: 2px solid var(--about-gold);
  border-radius: 0 8px 8px 0;
  font-size: 13px;
  color: var(--c-text-alt);
}

.page-about .about-local__contact {
  list-style: none;
  margin: 18px 0 24px;
  padding: 0;
}

.page-about .about-local__contact li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--about-line);
  font-size: 14px;
}

.page-about .about-local__contact-k {
  flex: 0 0 46px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--about-gold);
  letter-spacing: 0.08em;
}

.page-about .about-local__contact-v {
  color: var(--c-text);
  word-break: break-word;
}

@media (min-width: 768px) {
  .page-about .about-data__metrics {
    gap: 20px;
    margin-bottom: 44px;
  }

  .page-about .about-data__metric {
    padding: 30px 24px;
  }

  .page-about .about-data__metric-value {
    font-size: 36px;
  }

  .page-about .about-data__metric-label {
    font-size: 13px;
  }

  .page-about .about-credential__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
}

@media (min-width: 1024px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 64px;
    align-items: center;
  }

  .page-about .about-hero__bg {
    bottom: 48px;
  }

  .page-about .about-data__layout {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 40px;
    align-items: stretch;
  }

  .page-about .about-data__copy {
    padding: 36px;
  }

  .page-about .about-milestones__track {
    max-width: 820px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 32px;
  }

  .page-about .about-milestones__track::before {
    left: 14px;
  }

  .page-about .about-milestones__item {
    padding-bottom: 40px;
  }

  .page-about .about-milestones__dot {
    left: -25px;
    width: 16px;
    height: 16px;
  }

  .page-about .about-milestones__card {
    padding: 28px 32px;
  }

  .page-about .about-local__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 48px;
    align-items: center;
  }

  .page-about .about-local__content {
    padding: 36px;
  }
}