.page-about {
  --about-rule: #d8dce0;
  --about-paper: #edf0f3;
  --about-green-soft: rgba(0, 255, 136, 0.2);
  overflow: hidden;
}
.page-about .container {
  max-width: var(--container-width);
}
.page-about__hero {
  position: relative;
  background: var(--color-cream);
  padding: calc(var(--header-height) + 40px) 0 64px;
  overflow: hidden;
}
.page-about__hero .breadcrumb {
  padding-bottom: 28px;
}
.page-about__hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}
.page-about__hero-deco {
  position: absolute;
  left: -0.04em;
  bottom: -0.18em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(3rem, 11vw, 8rem);
  line-height: 1;
  color: var(--color-terra);
  opacity: 0.15;
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  max-width: none;
}
.page-about__hero-main h1 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4.4vw, 3.4rem);
  line-height: 1.25;
  color: var(--color-ink);
  margin: 16px 0 16px;
  letter-spacing: 0.01em;
}
.page-about__hero-lead {
  color: var(--color-ink);
  opacity: 0.82;
  line-height: 1.75;
  max-width: 680px;
  font-size: 1rem;
}
.page-about__hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 24px;
}
.page-about__hero-note {
  background: var(--color-bg-deep);
  border-radius: var(--radius-lg);
  padding: 26px 24px;
  color: var(--color-cream);
  box-shadow: var(--shadow-card);
}
.page-about__hero-note-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-green);
  margin-bottom: 8px;
}
.page-about__hero-note-data {
  display: block;
  font-family: var(--font-data);
  font-weight: 900;
  font-size: 1.6rem;
  color: var(--color-green);
  letter-spacing: 0.02em;
}
.page-about__hero-note-divider {
  display: block;
  height: 1px;
  margin: 16px 0;
  background: rgba(247, 243, 236, 0.16);
}
.page-about__story {
  background: var(--color-cream);
  padding: 64px 0;
  border-top: 1px solid var(--about-rule);
}
.page-about__story-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}
.page-about__rail {
  border-left: 3px solid var(--color-terra);
  padding-left: 16px;
}
.page-about__rail-meta {
  margin-top: 10px;
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--color-slate);
}
.page-about__story-body h2 {
  margin-bottom: 18px;
}
.page-about__story-body p {
  color: var(--color-ink);
  opacity: 0.85;
  line-height: 1.8;
  margin-bottom: 12px;
  max-width: 640px;
}
.page-about__story-quote {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-terra);
  font-size: 1.15rem;
  border-top: 1px solid var(--color-gray);
  padding-top: 16px;
  line-height: 1.6;
}
.page-about__principles {
  background: var(--color-bg-deep);
  padding: 64px 0;
}
.page-about__section-head {
  margin-bottom: 32px;
}
.page-about__section-head h2 {
  margin-top: 8px;
}
.page-about__section-intro {
  color: var(--color-cream);
  opacity: 0.75;
  margin-top: 10px;
  max-width: 520px;
  line-height: 1.7;
}
.page-about__principles-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.page-about__principle {
  padding: 24px;
}
.page-about__principle-index {
  font-family: var(--font-data);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-green);
}
.page-about__principle h3 {
  color: var(--color-cream);
  font-size: 1.2rem;
  margin: 10px 0 8px;
}
.page-about__principle p {
  color: var(--color-gray);
  font-size: 0.9rem;
  line-height: 1.6;
}
.page-about__team {
  background: var(--color-cream);
  padding: 64px 0;
}
.page-about__team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}
.page-about__team-body h2 {
  margin: 10px 0 10px;
}
.page-about__team-lead {
  color: var(--color-ink);
  opacity: 0.82;
  line-height: 1.75;
  margin-bottom: 18px;
  max-width: 560px;
}
.page-about__team-count {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 18px;
  background: var(--color-bg-deep);
  border-radius: var(--radius-md);
  padding: 18px 22px;
}
.page-about__team-count .data-number {
  font-size: 3.4rem;
  line-height: 1;
}
.page-about__team-count-label {
  color: var(--color-cream);
  font-size: 0.95rem;
}
.page-about__team-roles {
  list-style: none;
  padding: 0;
  margin: 0 0 18px;
}
.page-about__team-roles li {
  display: flex;
  align-items: center;
  gap: 16px;
  border-top: 1px solid var(--color-gray);
  padding: 14px 0;
}
.page-about__team-num {
  font-family: var(--font-data);
  font-size: 2rem;
  font-weight: 900;
  color: var(--color-orange);
  min-width: 48px;
  text-align: right;
}
.page-about__team-role strong {
  display: block;
  color: var(--color-ink);
  font-size: 0.98rem;
}
.page-about__team-role {
  color: var(--color-slate);
  font-size: 0.9rem;
  line-height: 1.5;
}
.page-about__team-note {
  background: var(--color-bg-deep);
  border-radius: var(--radius-md);
  color: var(--color-cream);
  padding: 14px 18px;
  font-size: 0.88rem;
  line-height: 1.6;
}
.page-about__milestones {
  background: var(--about-paper);
  padding: 64px 0 80px;
}
.page-about__milestones .page-about__section-head h2 {
  color: var(--color-ink);
}
.page-about__milestones-banner {
  margin: 28px 0 8px;
}
.page-about__timeline {
  position: relative;
  max-width: var(--container-width);
  margin: 24px auto 0;
  padding: 24px 0;
}
.page-about__timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, transparent, var(--color-green) 8%, var(--color-green) 92%, transparent);
  border-radius: 2px;
}
.page-about__timeline-curve {
  display: none;
}
.page-about__milestone {
  position: relative;
  margin: 0 0 20px 32px;
  padding: 22px 22px;
  border-left: 3px solid var(--color-green);
  background: var(--color-cream);
}
.page-about__milestone-year {
  font-family: var(--font-data);
  font-weight: 900;
  font-size: 2.6rem;
  line-height: 1;
  color: var(--color-bg-deep);
  display: block;
}
.page-about__milestone-tag {
  display: inline-block;
  margin: 12px 0 10px;
}
.page-about__milestone h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--color-ink);
  margin: 4px 0 6px;
}
.page-about__milestone p {
  color: var(--color-slate);
  font-size: 0.9rem;
  line-height: 1.6;
}
.page-about__cert {
  background: var(--color-bg-deep);
  padding: 64px 0;
}
.page-about__cert-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.page-about__cert-card {
  position: relative;
  padding: 28px 24px;
  overflow: hidden;
}
.page-about__cert-card h3 {
  color: var(--color-cream);
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin: 18px 0 8px;
}
.page-about__cert-card p {
  color: var(--color-gray);
  font-size: 0.9rem;
  line-height: 1.65;
}
.page-about__cert-icon {
  width: 56px;
  height: 56px;
}
.page-about__cert-icon path,
.page-about__cert-icon rect {
  transition: stroke var(--duration-fast) var(--ease-out);
}
.page-about__cert-card:hover .page-about__cert-icon path,
.page-about__cert-card:hover .page-about__cert-icon rect {
  stroke: var(--color-orange);
}
.page-about__cert-hover {
  display: block;
  margin-top: 14px;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--color-green);
  opacity: 0.75;
  transition: opacity var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
}
.page-about__cert-card:hover .page-about__cert-hover {
  opacity: 1;
  color: var(--color-orange);
}
.page-about__cert-figure {
  max-width: 480px;
  width: 100%;
  margin: 0 auto;
}
.page-about__partners {
  background: var(--color-cream);
  padding: 64px 0;
}
.page-about__partners-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
.page-about__partners-body h2 {
  margin: 10px 0 12px;
}
.page-about__partners-body > p {
  color: var(--color-ink);
  opacity: 0.82;
  line-height: 1.75;
  max-width: 640px;
}
.page-about__partners-list {
  list-style: none;
  padding: 0;
  margin: 22px 0;
}
.page-about__partners-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid var(--color-gray);
  color: var(--color-slate);
  font-size: 0.95rem;
}
.page-about__partners-extra {
  font-size: 0.9rem;
}
.page-about__partners-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}
.page-about__partners-note {
  background: var(--color-bg-deep);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  color: var(--color-cream);
  align-self: start;
}
.page-about__partners-note-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-green);
  margin-bottom: 10px;
}
.page-about__partners-note p {
  line-height: 1.7;
  color: var(--color-gray);
  margin-bottom: 16px;
}
.page-about__partners-link {
  color: var(--color-green);
  text-decoration: none;
  font-weight: 600;
}
.page-about__partners-link:hover {
  color: var(--color-orange);
}

@media (min-width: 900px) {
  .page-about__hero {
    padding-bottom: 88px;
  }
  .page-about__hero-grid {
    grid-template-columns: 8fr 4fr;
    gap: 48px;
    align-items: end;
  }
  .page-about__story-grid {
    grid-template-columns: 3fr 9fr;
    gap: 48px;
  }
  .page-about__principles-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }
  .page-about__team-grid {
    grid-template-columns: 5fr 7fr;
    gap: 48px;
  }
  .page-about__team-count .data-number {
    font-size: 4.6rem;
  }
  .page-about__cert-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  .page-about__partners-grid {
    grid-template-columns: 8fr 4fr;
    gap: 48px;
  }
  .page-about__timeline::before {
    display: none;
  }
  .page-about__timeline-curve {
    display: block;
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
  }
  .page-about__milestone {
    width: calc(50% - 64px);
    margin: 0 0 28px;
    border-left: none;
    border-top: 3px solid var(--color-green);
  }
  .page-about__milestone:nth-of-type(odd) {
    margin-right: auto;
    text-align: right;
  }
  .page-about__milestone:nth-of-type(even) {
    margin-left: auto;
    text-align: left;
  }
  .page-about__milestone::after {
    content: "";
    position: absolute;
    top: 8px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--color-green);
    box-shadow: 0 0 0 4px var(--about-green-soft);
  }
  .page-about__milestone:nth-of-type(odd)::after {
    right: -71px;
  }
  .page-about__milestone:nth-of-type(even)::after {
    left: -71px;
  }
  .page-about__milestone-tag {
    margin-top: 10px;
  }
}