.page-about {
  background: var(--c-canvas);
  min-height: 100vh;
}

.page-about__magazine {
  max-width: var(--container);
  margin-inline: auto;
  padding: 28px 16px 64px;
}

.page-about .breadcrumbs {
  font-family: var(--font-mono);
  font-size: 13px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  color: var(--c-gray);
}

.page-about .breadcrumbs-link {
  color: var(--c-deep);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.page-about .breadcrumbs-link:hover {
  color: var(--c-orange);
  border-color: var(--c-orange);
}

.page-about .breadcrumbs-sep {
  color: var(--c-orange);
}

.page-about__index {
  position: relative;
  background: var(--c-deep);
  border-radius: var(--radius-lg);
  color: var(--c-white);
  padding: 22px 18px;
  overflow: hidden;
  margin-bottom: 28px;
}

.page-about__index::after {
  content: "";
  position: absolute;
  right: -40px;
  top: -40px;
  width: 130px;
  height: 130px;
  border-radius: 50%;
  background: rgba(255, 107, 0, 0.3);
  filter: blur(40px);
  pointer-events: none;
}

.page-about__index-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.page-about__index-kicker {
  font-family: var(--font-head);
  font-size: 18px;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.page-about__index-rule {
  flex: 1;
  height: 2px;
  background: linear-gradient(90deg, var(--c-orange), transparent);
  border-radius: 2px;
}

.page-about__toc {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.page-about__toc-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--c-white);
  text-decoration: none;
  font-size: 13px;
  transition: background 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-about__toc-link:hover {
  background: rgba(255, 107, 0, 0.24);
  transform: translateY(-2px);
}

.page-about__toc-num {
  font-family: var(--font-mono);
  color: var(--c-orange);
  font-size: 12px;
  font-weight: 700;
}

.page-about__toc-text {
  font-weight: 600;
}

.page-about__index-foot {
  margin-top: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(255, 255, 255, 0.7);
}

.page-about__index-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.page-about__main {
  min-width: 0;
}

.page-about__hero {
  position: relative;
  background: var(--c-white);
  border-radius: var(--radius-lg);
  padding: 26px 22px 32px;
  margin-bottom: 32px;
  box-shadow: 0 18px 44px rgba(10, 31, 68, 0.08);
  overflow: hidden;
}

.page-about__hero::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 6px;
  background: linear-gradient(180deg, var(--c-orange) 0%, var(--c-orange) 55%, var(--c-green) 55%, var(--c-green) 100%);
}

.page-about__hero-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 18px;
}

.page-about__hero-side {
  display: grid;
  grid-template-columns: auto auto;
  align-items: baseline;
  gap: 4px 14px;
  padding: 14px 18px;
  background: var(--c-deep);
  border-radius: var(--radius-md);
  color: var(--c-white);
}

.page-about__hero-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
}

.page-about__hero-year {
  font-family: var(--font-head);
  font-size: 40px;
  line-height: 1;
  color: var(--c-orange);
}

.page-about__hero-meta {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.72);
}

.page-about h1 {
  margin: 0 0 0.3em;
  font-family: var(--font-head);
  font-size: clamp(34px, 5vw, 52px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--c-deep);
}

.page-about__h1-sub {
  display: block;
  font-size: 0.46em;
  color: var(--c-orange);
  letter-spacing: 0.04em;
  margin-top: 4px;
}

.page-about__lede {
  max-width: 58em;
  font-size: 16px;
  line-height: 1.65;
  color: var(--c-gray);
  margin: 0;
}

.page-about__section {
  scroll-margin-top: 110px;
}

.page-about__sec-head {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  margin: 40px 0 24px;
}

.page-about__sec-num {
  font-family: var(--font-mono);
  font-size: 44px;
  font-weight: 700;
  line-height: 1;
  color: var(--c-orange);
  background: rgba(255, 107, 0, 0.1);
  border: 1px solid rgba(255, 107, 0, 0.22);
  border-radius: 18px;
  padding: 8px 12px;
  transform: rotate(-4deg);
  display: inline-block;
  flex: 0 0 auto;
}

.page-about__sec-heading h2 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 26px;
  line-height: 1.2;
  color: var(--c-deep);
}

.page-about__sec-heading p {
  margin: 6px 0 0;
  color: var(--c-gray);
  font-size: 14px;
}

.page-about__story-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-about__story-copy p {
  margin: 0 0 16px;
  line-height: 1.7;
  color: var(--c-dark);
}

.page-about__story-link {
  margin-top: 6px;
}

.page-about__story-figure,
.page-about__timeline-still,
.page-about__cap-figure {
  margin: 0;
  background: var(--c-white);
  border-radius: var(--radius-lg);
  padding: 12px;
  box-shadow: 0 14px 34px rgba(10, 31, 68, 0.1);
}

.page-about__story-figure img,
.page-about__timeline-still img,
.page-about__cap-figure img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-md);
  object-fit: cover;
}

.page-about__story-figure figcaption,
.page-about__timeline-still figcaption,
.page-about__cap-figure figcaption {
  padding: 12px 6px 4px;
  font-size: 13px;
  color: var(--c-gray);
  font-family: var(--font-mono);
}

.page-about__section--milestones {
  background: var(--c-deep);
  border-radius: var(--radius-lg);
  padding: 28px 20px 36px;
  color: rgba(255, 255, 255, 0.85);
}

.page-about__section--milestones .page-about__sec-heading h2 {
  color: var(--c-white);
}

.page-about__section--milestones .page-about__sec-heading p {
  color: rgba(255, 255, 255, 0.6);
}

.page-about__section--milestones .page-about__sec-num {
  color: var(--c-green);
  background: rgba(0, 230, 118, 0.12);
  border-color: rgba(0, 230, 118, 0.28);
}

.page-about__timeline-still {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: none;
  margin-bottom: 28px;
}

.page-about__timeline-still figcaption {
  color: rgba(255, 255, 255, 0.6);
}

.page-about__timeline-track {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-about__milestone {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 18px;
  margin-bottom: 16px;
  overflow: hidden;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-about__milestone[open] {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 107, 0, 0.5);
}

.page-about__milestone-summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  user-select: none;
}

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

.page-about__milestone-summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--c-orange);
  transition: transform 0.3s var(--ease);
}

.page-about__milestone[open] .page-about__milestone-summary::after {
  transform: rotate(45deg);
}

.page-about__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--c-orange);
  box-shadow: 0 0 0 4px rgba(255, 107, 0, 0.18);
  flex: 0 0 auto;
}

.page-about__milestone--right .page-about__dot {
  background: var(--c-green);
  box-shadow: 0 0 0 4px rgba(0, 230, 118, 0.18);
}

.page-about__year {
  font-family: var(--font-head);
  font-size: 30px;
  line-height: 1;
  color: var(--c-white);
}

.page-about__ml-title {
  font-weight: 600;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.92);
}

.page-about__ml-desc {
  margin: 0;
  padding: 0 18px 18px 46px;
  font-size: 14px;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.72);
}

.page-about__sections-intro {
  max-width: 60em;
  color: var(--c-dark);
  line-height: 1.7;
  margin: 0 0 24px;
}

.page-about__sections-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-about__s-card {
  padding: 24px;
  border-radius: 22px;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-about__s-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 22px 36px rgba(10, 31, 68, 0.1);
}

.page-about__s-card h3 {
  font-family: var(--font-head);
  font-size: 20px;
  margin: 14px 0 8px;
  color: var(--c-deep);
}

.page-about__s-card p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--c-gray);
  margin: 0 0 18px;
}

.page-about__s-link {
  padding: 8px 16px;
  font-size: 13px;
}

.page-about__section--capability {
  background: var(--c-white);
  border-radius: var(--radius-lg);
  padding: 28px 20px 32px;
  box-shadow: 0 18px 44px rgba(10, 31, 68, 0.08);
  margin-top: 32px;
}

.page-about__cap-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-about__cap-copy p {
  line-height: 1.7;
  color: var(--c-dark);
  margin: 0 0 16px;
}

.page-about__cap-figure {
  background: var(--c-canvas);
  box-shadow: none;
  margin-top: 20px;
}

.page-about__cap-figure img {
  object-fit: contain;
}

.page-about__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.page-about__stat {
  background: var(--c-deep);
  border-radius: 20px;
  padding: 22px 16px;
  color: var(--c-white);
  position: relative;
  overflow: hidden;
}

.page-about__stat::after {
  content: "";
  position: absolute;
  right: -18px;
  top: -18px;
  width: 70px;
  height: 70px;
  background: radial-gradient(circle, rgba(0, 230, 118, 0.35), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.page-about__stat-num {
  display: block;
  font-family: var(--font-head);
  font-size: 32px;
  line-height: 1;
  color: var(--c-orange);
}

.page-about__stat:nth-child(even) .page-about__stat-num {
  color: var(--c-green);
}

.page-about__stat-label {
  display: block;
  margin-top: 8px;
  font-weight: 600;
  font-size: 14px;
}

.page-about__stat-sub {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
  font-family: var(--font-mono);
}

.page-about__cap-cta {
  margin-top: 32px;
  background: var(--c-canvas);
  border-radius: var(--radius-md);
  padding: 20px 22px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.page-about__cap-cta p {
  margin: 0;
  color: var(--c-dark);
  font-size: 14px;
}

@media (min-width: 900px) {
  .page-about__magazine {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 44px;
    padding: 40px 28px 84px;
  }

  .page-about__index {
    margin-bottom: 0;
    padding: 28px 22px;
    align-self: start;
  }

  .page-about__toc {
    display: block;
  }

  .page-about__toc-item {
    margin-bottom: 6px;
  }

  .page-about__toc-link {
    border-radius: 14px;
    padding: 12px 14px;
  }

  .page-about__hero {
    padding: 40px 40px 44px;
    margin-bottom: 44px;
  }

  .page-about__hero-row {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 32px;
  }

  .page-about__hero-side {
    min-width: 240px;
    transform: rotate(1.6deg);
  }

  .page-about__story-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-about__section--milestones {
    padding: 40px 36px 44px;
  }

  .page-about__timeline-track {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px 44px;
    position: relative;
    padding: 20px 0;
  }

  .page-about__timeline-track::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 4%;
    bottom: 4%;
    width: 4px;
    background: linear-gradient(180deg, var(--c-orange) 0%, var(--c-green) 100%);
    border-radius: 999px;
    transform: rotate(3deg);
    opacity: 0.5;
  }

  .page-about__milestone {
    margin-bottom: 0;
  }

  .page-about__milestone--left {
    grid-column: 1;
  }

  .page-about__milestone--right {
    grid-column: 2;
    margin-top: 64px;
  }

  .page-about__milestone--left .page-about__milestone-summary {
    flex-direction: row-reverse;
    text-align: right;
  }

  .page-about__milestone--left .page-about__milestone-summary::after {
    display: none;
  }

  .page-about__milestone--left .page-about__ml-desc {
    padding-left: 18px;
    padding-right: 46px;
    text-align: right;
  }

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

  .page-about__section--capability {
    padding: 40px 36px 40px;
  }

  .page-about__cap-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    align-items: start;
    gap: 40px;
  }
}