.page-about {
  --about-green: var(--c-accent, #00FF87);
  --about-orange: var(--c-orange, #FF6A00);
  --about-purple: var(--c-purple, #9D4EDD);
  --about-dark: var(--c-primary, #0B1D3A);
  --about-light: var(--c-bg-light, #F4F7FB);
  --about-muted: var(--c-text-secondary, #8FA3BF);
  --about-border: var(--c-border-green, rgba(0, 255, 135, 0.27));
  background: var(--about-dark);
  overflow-x: hidden;
}

.page-about .about-breadcrumb {
  padding: 20px var(--container-pad) 0;
  max-width: var(--container-max);
  margin: 0 auto;
  background: var(--about-dark);
}

.page-about .about-breadcrumb .breadcrumbs__link {
  color: var(--c-text-on-dark);
  opacity: 0.75;
}

.page-about .about-breadcrumb .breadcrumbs__link:hover {
  color: var(--about-green);
  opacity: 1;
}

.page-about .about-breadcrumb .breadcrumbs__item[aria-current="page"] {
  color: var(--about-green);
}

.page-about .about-label {
  color: var(--about-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 16px;
  position: relative;
  padding-left: 22px;
}

.page-about .about-label::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 12px;
  height: 2px;
  background: var(--about-green);
  transform: translateY(-50%);
}

.page-about .about-hero {
  background: var(--about-dark);
  color: var(--c-text-on-dark);
  position: relative;
  padding: 48px 0 64px;
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  right: -80px;
  top: -40px;
  width: 320px;
  height: 320px;
  background: linear-gradient(135deg, transparent 48%, var(--about-green) 48.5%, var(--about-green) 51.5%, transparent 52%);
  opacity: 0.08;
  transform: rotate(-6deg);
}

.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}

.page-about .about-hero__title {
  font-size: 34px;
  line-height: 1.22;
  font-weight: 900;
  margin: 0 0 20px;
  letter-spacing: -0.02em;
}

.page-about .about-hero__title em {
  display: block;
  font-style: italic;
  color: var(--about-green);
  font-weight: 800;
}

.page-about .about-hero__lead {
  font-size: 16px;
  line-height: 1.7;
  color: var(--c-text-on-dark);
  opacity: 0.88;
  margin-bottom: 20px;
  max-width: 56ch;
}

.page-about .about-hero__note {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--about-muted);
  border-left: 2px solid var(--about-green);
  padding-left: 12px;
}

.page-about .about-hero__visual {
  position: relative;
}

.page-about .about-hero__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-sm);
  position: relative;
  z-index: 1;
}

.page-about .about-hero__frame-decor {
  position: absolute;
  top: 16px;
  right: 16px;
  bottom: -16px;
  left: -16px;
  border: 2px solid var(--about-green);
  border-radius: var(--radius-sm);
  z-index: 0;
  opacity: 0.6;
}

.page-about .about-mission {
  background: var(--about-light);
  color: var(--c-text-on-light);
  padding: 64px 0;
  position: relative;
}

.page-about .about-mission__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}

.page-about .about-mission__intro {
  position: relative;
}

.page-about .about-mission__title {
  font-size: 30px;
  line-height: 1.25;
  margin: 0 0 16px;
  font-weight: 900;
  color: var(--c-text-on-light);
}

.page-about .about-mission__ribbon {
  width: 64px;
  height: 6px;
  background: var(--about-green);
  clip-path: polygon(0 0, 100% 0, 92% 100%, 0 100%);
  margin-top: 12px;
}

.page-about .about-mission__body p {
  font-size: 15px;
  line-height: 1.75;
  margin-bottom: 18px;
  color: rgba(26, 26, 26, 0.88);
}

.page-about .about-mission__quote {
  margin: 24px 0;
  padding: 16px 20px;
  background: var(--about-dark);
  color: var(--c-text-on-dark);
  border-left: 4px solid var(--about-green);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.page-about .about-mission__quote p {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
}

.page-about .about-timeline {
  background: var(--about-dark);
  color: var(--c-text-on-dark);
  padding: 64px 0;
}

.page-about .about-timeline__head {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 40px;
}

.page-about .about-timeline__title {
  font-size: 30px;
  margin: 0;
  font-weight: 900;
}

.page-about .about-timeline__sub {
  color: var(--about-muted);
  font-size: 14px;
  line-height: 1.6;
  max-width: 40ch;
}

.page-about .about-timeline__list {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-about .about-timeline__list::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--about-border);
}

.page-about .about-timeline__item {
  position: relative;
  padding-left: 52px;
  margin-bottom: 36px;
}

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

.page-about .about-timeline__version {
  position: absolute;
  left: 0;
  top: 0;
  width: 36px;
  height: 36px;
  background: var(--about-green);
  color: var(--about-dark);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  z-index: 1;
}

.page-about .about-timeline__details {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--about-border);
  border-radius: var(--radius-sm);
  padding: 0;
  transition: border-color var(--transition-fast);
}

.page-about .about-timeline__details[open] {
  border-color: var(--about-green);
}

.page-about .about-timeline__details summary {
  cursor: pointer;
  font-size: 18px;
  font-weight: 700;
  padding: 16px 20px;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--c-text-on-dark);
}

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

.page-about .about-timeline__toggle {
  display: inline-block;
  width: 22px;
  height: 22px;
  position: relative;
  flex-shrink: 0;
}

.page-about .about-timeline__toggle::before,
.page-about .about-timeline__toggle::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 12px;
  height: 2px;
  background: var(--about-green);
  transform: translate(-50%, -50%);
  transition: transform var(--transition-fast);
}

.page-about .about-timeline__toggle::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-about .about-timeline__details[open] .about-timeline__toggle::after {
  transform: translate(-50%, -50%) rotate(0);
}

.page-about .about-timeline__body {
  padding: 0 20px 18px;
  border-top: 1px solid var(--about-border);
}

.page-about .about-timeline__body p {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--about-muted);
}

.page-about .about-team {
  background: var(--about-light);
  padding: 64px 0;
}

.page-about .about-team__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}

.page-about .about-team__title {
  font-size: 30px;
  margin: 0 0 28px;
  font-weight: 900;
  color: var(--c-text-on-light);
}

.page-about .about-team__numbers {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 32px;
}

.page-about .about-team__stat {
  background: var(--c-primary);
  color: var(--c-text-on-dark);
  border-radius: var(--radius-sm);
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border: 1px solid var(--about-border);
}

.page-about .about-team__num {
  font-size: 40px;
  font-weight: 900;
  color: var(--about-green);
  font-family: var(--font-mono);
  line-height: 1;
}

.page-about .about-team__label {
  font-size: 13px;
  color: var(--about-muted);
}

.page-about .about-team__content p {
  font-size: 15px;
  line-height: 1.72;
  color: rgba(26, 26, 26, 0.88);
}

.page-about .about-team__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
}

.page-about .about-cert {
  background: var(--about-dark);
  color: var(--c-text-on-dark);
  padding: 64px 0;
  position: relative;
}

.page-about .about-cert::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 40px;
  background: linear-gradient(135deg, transparent 50%, var(--about-border) 51%, var(--about-border) 53%, transparent 54%);
  background-size: 24px 24px;
  clip-path: polygon(0 0, 100% 0, 100% 60%, 0 100%);
  opacity: 0.08;
}

.page-about .about-cert__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: center;
}

.page-about .about-cert__badge {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  padding: 24px;
}

.page-about .about-cert__badge::before {
  content: "";
  position: absolute;
  inset: 0;
  border: 2px dashed var(--about-border);
  border-radius: 50%;
  clip-path: polygon(30% 0, 70% 0, 100% 30%, 100% 70%, 70% 100%, 30% 100%, 0 70%, 0 30%);
  animation: aboutCertSpin 30s linear infinite;
}

@keyframes aboutCertSpin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.page-about .about-cert__img {
  display: block;
  width: 100%;
  max-width: 180px;
  height: auto;
  object-fit: cover;
  border-radius: 50%;
  border: 2px solid var(--about-green);
}

.page-about .about-cert__title {
  font-size: 30px;
  margin: 0 0 24px;
  font-weight: 900;
}

.page-about .about-cert__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .about-cert__list li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 16px;
  font-size: 15px;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.88);
}

.page-about .about-cert__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 12px;
  height: 12px;
  background: var(--about-green);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}

.page-about .about-local {
  background: var(--about-light);
  padding: 64px 0 72px;
}

.page-about .about-local__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}

.page-about .about-local__title {
  font-size: 30px;
  margin-bottom: 16px;
  font-weight: 900;
  color: var(--c-text-on-light);
}

.page-about .about-local__intro p {
  color: rgba(26, 26, 26, 0.78);
  line-height: 1.7;
}

.page-about .about-local__links {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-about .about-local__card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px;
  background: var(--c-primary);
  border: 1px solid var(--about-border);
  border-radius: var(--radius-sm);
  text-decoration: none;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-base), border-color var(--transition-base);
}

.page-about .about-local__card:hover {
  transform: translateX(6px);
  border-color: var(--about-green);
}

.page-about .about-local__card::after {
  content: "";
  position: absolute;
  right: -30px;
  top: -30px;
  width: 90px;
  height: 90px;
  background: var(--about-green);
  opacity: 0.08;
  clip-path: polygon(100% 0, 0 100%, 100% 100%);
}

.page-about .about-local__card-index {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--about-green);
  letter-spacing: 0.1em;
}

.page-about .about-local__card strong {
  font-size: 18px;
  color: var(--c-text-on-dark);
  font-weight: 800;
}

.page-about .about-local__card span:last-child {
  font-size: 13px;
  color: var(--about-muted);
}

@media (min-width: 900px) {
  .page-about .about-hero {
    padding: 72px 0 88px;
  }

  .page-about .about-hero__grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 64px;
  }

  .page-about .about-hero__title {
    font-size: 50px;
  }

  .page-about .about-hero__lead {
    font-size: 18px;
  }

  .page-about .about-mission {
    padding: 88px 0;
  }

  .page-about .about-mission__grid {
    grid-template-columns: 0.85fr 1.15fr;
    gap: 60px;
  }

  .page-about .about-mission__title {
    font-size: 38px;
  }

  .page-about .about-mission__body p {
    font-size: 16px;
  }

  .page-about .about-timeline {
    padding: 88px 0;
  }

  .page-about .about-timeline__head {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 56px;
  }

  .page-about .about-timeline__title {
    font-size: 38px;
  }

  .page-about .about-timeline__list {
    max-width: 680px;
    margin-left: auto;
    margin-right: 0;
  }

  .page-about .about-team {
    padding: 88px 0;
  }

  .page-about .about-team__grid {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 60px;
    align-items: center;
  }

  .page-about .about-team__title {
    font-size: 38px;
  }

  .page-about .about-team__numbers {
    grid-template-columns: 1fr 1fr;
  }

  .page-about .about-cert {
    padding: 88px 0;
  }

  .page-about .about-cert__grid {
    grid-template-columns: 0.8fr 1.2fr;
    gap: 60px;
  }

  .page-about .about-cert__title {
    font-size: 38px;
  }

  .page-about .about-local {
    padding: 88px 0;
  }

  .page-about .about-local__grid {
    grid-template-columns: 0.85fr 1.15fr;
    gap: 60px;
  }

  .page-about .about-local__title {
    font-size: 38px;
  }
}