.page-about {
  --about-top-offset: 96px;
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: hidden;
}

.page-about__crumb {
  padding: 24px 0 8px;
}

.page-about__layout--split {
  display: block;
}

.page-about__aside {
  position: relative;
  margin: 0 0 32px;
  padding: 16px 20px 28px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  box-shadow: var(--shadow);
}

.page-about__aside::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--c-primary) 0 35%, var(--c-secondary) 35% 75%, var(--c-highlight) 75% 100%);
}

.page-about__cover {
  margin-bottom: 8px;
}

.page-about__cover-media {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 10 / 7;
  margin-bottom: 18px;
  clip-path: polygon(0 0, 100% 0, 100% 92%, 0 100%);
}

.page-about__cover-inner {
  padding: 0 4px;
}

.page-about__eyebrow {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--c-primary);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.page-about__title {
  font-family: var(--font-headline);
  font-size: 30px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 0.01em;
  margin-bottom: 12px;
  color: var(--c-text);
}

.page-about__lead {
  font-size: 14px;
  color: var(--c-muted);
  margin-bottom: 0;
}

.page-about__toc {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--c-border);
}

.page-about__toc-title {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-muted);
  margin-bottom: 12px;
}

.page-about__toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 4px;
}

.page-about__toc-link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 8px 10px;
  color: var(--c-text);
  text-decoration: none;
  font-size: 14px;
  border-left: 2px solid transparent;
  transition: border-color 0.2s, background-color 0.2s, color 0.2s;
}

.page-about__toc-link span {
  font-size: 12px;
  color: var(--c-secondary);
  min-width: 24px;
}

.page-about__toc-link:hover,
.page-about__toc-link:focus {
  color: var(--c-primary);
  border-left-color: var(--c-primary);
  background: var(--c-red-light);
}

.page-about__aside-note {
  margin-top: 24px;
  padding: 14px 16px;
  background: var(--c-gold-light);
  border-left: 3px solid var(--c-highlight);
  font-size: 13px;
  color: #6b5b1a;
  line-height: 1.6;
}

.page-about__content {
  max-width: 100%;
}

.page-about__section {
  padding: 40px 20px;
  position: relative;
}

.page-about__section--white {
  background: var(--c-surface);
}

.page-about__section--grey {
  background: var(--c-bg);
}

.page-about__section--tint {
  background: var(--c-blue-light);
}

.page-about__section--gold {
  background: var(--c-gold-light);
}

.page-about__section--white::before,
.page-about__section--tint::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(120deg, var(--c-primary) 0 70%, var(--c-secondary) 70% 100%);
}

.page-about__section-num {
  font-size: 12px;
  color: var(--c-muted);
  margin-bottom: 4px;
}

.page-about__section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.page-about__section-head .mono {
  font-size: 12px;
  color: var(--c-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
}

.page-about__section-title {
  font-family: var(--font-headline);
  font-size: 28px;
  font-weight: 800;
  line-height: 1.2;
  margin: 0;
  padding-bottom: 8px;
  border-bottom: 3px solid var(--c-primary);
}

.page-about__body-text p {
  font-size: 15px;
  color: #303133;
  margin: 0 0 14px;
}

.page-about__body-text a,
.page-about__cooperation-note a,
.page-about__team-list a {
  color: var(--c-secondary);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.page-about__body-text a:hover,
.page-about__cooperation-note a:hover,
.page-about__team-list a:hover {
  color: var(--c-primary);
  border-bottom-color: var(--c-primary);
}

.page-about__principles {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 24px;
}

.page-about__principle {
  padding: 16px;
  background: var(--c-bg);
  border-left: 3px solid var(--c-secondary);
}

.page-about__principle:nth-child(2) {
  border-left-color: var(--c-primary);
}

.page-about__principle:nth-child(3) {
  border-left-color: var(--c-highlight);
}

.page-about__principle-num {
  font-size: 12px;
  color: var(--c-muted);
}

.page-about__principle h3 {
  font-family: var(--font-headline);
  font-size: 16px;
  font-weight: 700;
  margin: 6px 0 4px;
}

.page-about__principle p {
  font-size: 13px;
  color: var(--c-muted);
  margin: 0;
}

.page-about__timeline {
  display: grid;
  margin-top: 32px;
}

.page-about__milestone {
  display: grid;
  grid-template-columns: 86px 1fr;
  column-gap: 16px;
  margin-bottom: 20px;
  position: relative;
}

.page-about__milestone-year {
  font-size: 16px;
  font-weight: 700;
  color: var(--c-primary);
  padding-top: 4px;
  line-height: 1.2;
  position: relative;
}

.page-about__milestone-year::after {
  content: "";
  position: absolute;
  right: -16px;
  top: 10px;
  bottom: -20px;
  width: 2px;
  background: var(--c-secondary);
}

.page-about__milestone:last-child .page-about__milestone-year::after {
  bottom: auto;
  height: 16px;
  background: linear-gradient(to bottom, var(--c-secondary), transparent);
}

.page-about__milestone-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-left: 3px solid var(--c-secondary);
  padding: 16px 18px;
  position: relative;
  transition: box-shadow 0.2s, border-color 0.2s, transform 0.2s;
}

.page-about__milestone-card::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 16px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--c-surface);
  border: 2px solid var(--c-primary);
  z-index: 1;
}

.page-about__milestone-card:hover {
  border-color: var(--c-primary);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.page-about__milestone-version {
  font-size: 12px;
  color: var(--c-muted);
  margin-bottom: 4px;
}

.page-about__milestone-card h3 {
  font-family: var(--font-headline);
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 6px;
}

.page-about__milestone-card p:last-child {
  font-size: 14px;
  color: var(--c-muted);
  margin: 0;
}

.page-about__team-grid {
  display: grid;
  gap: 24px;
  margin-top: 28px;
}

.page-about__team-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 8 / 5;
  object-fit: cover;
}

.page-about__team-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}

.page-about__team-list li {
  padding: 12px 14px;
  background: var(--c-bg);
  border-left: 3px solid transparent;
  transition: border-color 0.2s, background-color 0.2s;
}

.page-about__team-list li:hover {
  border-left-color: var(--c-primary);
  background: var(--c-red-light);
}

.page-about__team-list span {
  font-size: 13px;
  display: block;
  margin-bottom: 4px;
  color: var(--c-primary);
}

.page-about__team-list p {
  font-size: 14px;
  color: var(--c-text);
  margin: 0;
}

.page-about__qualification-wrap {
  display: grid;
  gap: 24px;
  margin-top: 28px;
}

.page-about__seal {
  width: 180px;
  height: 180px;
  margin: 0 auto;
  border: 3px solid var(--c-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--c-red-light);
  position: relative;
  transform: rotate(-8deg);
  transition: transform 0.25s, box-shadow 0.25s;
  cursor: default;
}

.page-about__seal::before {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px dashed rgba(230, 57, 70, 0.5);
  border-radius: 50%;
}

.page-about__seal:hover {
  transform: rotate(0deg) scale(1.05);
  box-shadow: 0 8px 24px rgba(230, 57, 70, 0.2);
}

.page-about__seal-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 8px 12px;
}

.page-about__seal-star {
  display: block;
  color: var(--c-primary);
  font-size: 22px;
  margin-bottom: 2px;
}

.page-about__seal-title {
  font-family: var(--font-headline);
  font-size: 14px;
  font-weight: 800;
  color: var(--c-primary);
  line-height: 1.4;
  margin: 0;
}

.page-about__seal-sub {
  font-size: 11px;
  color: var(--c-muted);
  margin: 6px 0 0;
}

.page-about__security-list {
  display: grid;
  gap: 14px;
}

.page-about__security-item {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-left: 3px solid var(--c-success);
  padding: 14px 16px;
}

.page-about__security-item span {
  font-size: 13px;
  color: var(--c-secondary);
  display: block;
  margin-bottom: 4px;
}

.page-about__security-item p {
  font-size: 14px;
  margin: 0;
  color: var(--c-text);
}

.page-about__security-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 8 / 5;
  object-fit: cover;
  margin-top: 24px;
}

.page-about__network {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 28px;
  position: relative;
}

.page-about__network-hub {
  background: linear-gradient(135deg, var(--c-primary), var(--c-secondary));
  color: #fff;
  text-align: center;
  border-radius: 8px;
  padding: 20px 16px;
  position: relative;
  z-index: 2;
}

.page-about__network-hub span {
  font-size: 12px;
  display: block;
  letter-spacing: 0.1em;
  margin-bottom: 4px;
  opacity: 0.85;
}

.page-about__network-hub strong {
  font-family: var(--font-headline);
  font-size: 18px;
  font-weight: 800;
}

.page-about__network-node {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  padding: 14px 16px;
  position: relative;
  transition: border-color 0.2s, background-color 0.2s;
}

.page-about__network-node::before {
  content: none;
}

.page-about__network-node span {
  font-size: 12px;
  color: var(--c-secondary);
  display: block;
  margin-bottom: 4px;
}

.page-about__network-node p {
  font-family: var(--font-headline);
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 4px;
}

.page-about__network-node small {
  font-size: 12px;
  color: var(--c-muted);
  line-height: 1.5;
  display: block;
}

.page-about__network-node:hover {
  border-color: var(--c-secondary);
  background: var(--c-blue-light);
}

.page-about__cooperation-note {
  margin-top: 20px;
  font-size: 14px;
  color: var(--c-muted);
  padding: 14px 16px;
  background: var(--c-bg);
  border-left: 3px solid var(--c-highlight);
}

.page-about__cooperation-note p {
  margin: 0;
}

.page-about__award {
  display: grid;
  gap: 24px;
  margin-top: 28px;
}

.page-about__award-badge {
  width: 140px;
  height: 140px;
  margin: 0 auto;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c-highlight), #F5B800);
  box-shadow: 0 10px 32px rgba(255, 201, 64, 0.35);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #4a3b00;
  text-align: center;
  transform: rotate(6deg);
  transition: transform 0.25s;
}

.page-about__award-badge:hover {
  transform: rotate(0deg) scale(1.05);
}

.page-about__award-icon {
  font-size: 30px;
  line-height: 1;
  margin-bottom: 2px;
}

.page-about__award-badge .mono {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.page-about__award-content h3 {
  font-family: var(--font-headline);
  font-size: 20px;
  font-weight: 800;
  color: #4a3b00;
  margin: 0 0 12px;
}

.page-about__award-content p {
  font-size: 15px;
  color: #5b4d1a;
  margin: 0 0 12px;
}

.page-about__award-content p:last-child {
  margin-bottom: 0;
}

@media (min-width: 640px) {
  .page-about__principles {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .page-about__section {
    padding: 48px 32px;
  }

  .page-about__title {
    font-size: 34px;
  }
}

@media (min-width: 1024px) {
  .page-about__crumb {
    padding: 32px 0 16px;
  }

  .page-about__layout--split {
    display: flex;
    align-items: flex-start;
    gap: 0;
    padding-bottom: 48px;
  }

  .page-about__aside {
    position: sticky;
    top: var(--about-top-offset);
    flex: 0 0 360px;
    margin: 0;
    padding: 28px 24px 32px;
    max-height: calc(100vh - var(--about-top-offset) - 32px);
    overflow-y: auto;
  }

  .page-about__content {
    flex: 1 1 auto;
    min-width: 0;
    max-width: 860px;
    margin-left: 32px;
  }

  .page-about__section {
    padding: 64px 56px;
  }

  .page-about__title {
    font-size: 36px;
  }

  .page-about__lead {
    font-size: 15px;
  }

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

  .page-about__body-text p {
    font-size: 16px;
  }

  .page-about__milestone {
    grid-template-columns: 120px 1fr;
    column-gap: 24px;
    margin-bottom: 24px;
  }

  .page-about__milestone-year::after {
    right: -24px;
    bottom: -24px;
  }

  .page-about__milestone-card::before {
    left: -29px;
  }

  .page-about__team-grid {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 32px;
    align-items: start;
  }

  .page-about__qualification-wrap {
    grid-template-columns: 260px 1fr;
    gap: 40px;
    align-items: start;
  }

  .page-about__seal {
    width: 200px;
    height: 200px;
  }

  .page-about__network {
    grid-template-columns: 180px 1fr;
    grid-template-areas:
      "hub data"
      "hub media"
      "hub academy";
    column-gap: 32px;
    align-items: stretch;
  }

  .page-about__network-hub {
    grid-area: hub;
    display: flex;
    flex-direction: column;
    justify-content: center;
    border-radius: 12px;
  }

  .page-about__network-node--data {
    grid-area: data;
  }

  .page-about__network-node--media {
    grid-area: media;
  }

  .page-about__network-node--academy {
    grid-area: academy;
  }

  .page-about__network-node::before {
    content: "";
    position: absolute;
    left: -32px;
    top: 50%;
    width: 32px;
    height: 2px;
    background: var(--c-secondary);
    opacity: 0.5;
  }

  .page-about__award {
    grid-template-columns: 200px 1fr;
    gap: 40px;
    align-items: center;
  }

  .page-about__award-badge {
    width: 160px;
    height: 160px;
  }
}