.page-about {
  --about-gold-soft: rgba(245, 184, 46, .14);
  --about-line: rgba(245, 247, 250, .14);
  --about-eco-pad: 18px;
  overflow-x: clip;
}

.page-about__crumb {
  margin: 24px auto 0;
  max-width: var(--c-max);
  padding-inline: var(--c-pad);
}

.page-about__hero {
  position: relative;
  padding: clamp(44px, 7vw, 84px) 0 clamp(28px, 4vw, 52px);
}

.page-about__hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 82% 18%, var(--nebula-blue), transparent 56%),
    radial-gradient(ellipse at 8% 82%, var(--about-gold-soft), transparent 42%);
  pointer-events: none;
}

.page-about__hero-inner {
  position: relative;
  display: grid;
  gap: 28px;
  align-items: center;
}

.page-about__hero-copy h1 {
  font-family: var(--font-head);
  font-size: clamp(30px, 5vw, 52px);
  line-height: 1.12;
  letter-spacing: .04em;
  margin: 14px 0 22px;
}

.page-about__hero-lead {
  color: var(--gray);
  font-size: 15px;
  line-height: 1.85;
  max-width: 58ch;
  margin: 0;
}

.page-about__hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-about__hero-figure {
  position: relative;
}

.page-about__hero-img,
.page-about__eco-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.page-about__philosophy {
  border-top: 1px solid var(--border-soft);
}

.page-about__philosophy-grid {
  display: grid;
  gap: 28px;
  align-items: center;
  margin-top: 36px;
}

.page-about__philosophy-copy {
  font-size: 15px;
  line-height: 1.85;
  color: var(--gray);
}

.page-about__philosophy-copy > p:first-child {
  color: var(--galaxy-white);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.7;
  margin-top: 0;
}

.page-about__philosophy-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about__philosophy-list li {
  position: relative;
  padding-left: 24px;
  color: var(--galaxy-white);
  line-height: 1.65;
}

.page-about__philosophy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .55em;
  width: 10px;
  height: 10px;
  background: var(--gold);
  border-radius: 2px;
  transform: rotate(45deg);
  box-shadow: 0 0 10px rgba(245, 184, 46, .42);
}

.page-about__philosophy-figure {
  margin: 0;
}

.page-about__philosophy-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.page-about__philosophy-figure figcaption {
  margin-top: 12px;
  color: var(--gray);
  font-size: 13px;
  letter-spacing: .06em;
}

.page-about__milestones {
  background:
    radial-gradient(ellipse at 20% 0%, var(--nebula-blue), transparent 58%),
    var(--deep-blue);
  border-block: 1px solid var(--border-soft);
}

.page-about__timeline {
  margin-top: 40px;
}

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

.page-about__timeline-list::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--gold), rgba(57, 255, 20, .3), transparent);
  opacity: .55;
}

.page-about__tl-item {
  position: relative;
  padding: 0 0 30px 32px;
}

.page-about__tl-item:last-child {
  padding-bottom: 4px;
}

.page-about__tl-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--space-black);
  border: 3px solid var(--gold);
  box-shadow: 0 0 14px rgba(245, 184, 46, .4);
}

.page-about__tl-year {
  display: inline-block;
  font-family: var(--font-num);
  color: var(--gold);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: .12em;
  margin-bottom: 6px;
}

.page-about__tl-card {
  background: var(--card-gray);
  border: 1px solid var(--border-soft);
  border-left: 3px solid rgba(245, 184, 46, .7);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
  transition: border-color var(--t-fast), box-shadow var(--t-fast), transform var(--t);
}

.page-about__tl-card h3 {
  font-size: 17px;
  margin: 0 0 8px;
  letter-spacing: .04em;
}

.page-about__tl-card p {
  margin: 0;
  color: var(--gray);
  font-size: 14px;
  line-height: 1.75;
}

.page-about__tl-item:hover .page-about__tl-card,
.page-about__tl-item:focus-within .page-about__tl-card {
  border-color: rgba(245, 184, 46, .45);
  box-shadow: 0 0 0 3px var(--about-gold-soft);
  transform: translateX(4px);
}

.page-about__stats {
  background:
    radial-gradient(ellipse at 80% 0%, var(--nebula-blue), transparent 62%),
    var(--deep-blue);
  border-block: 1px solid var(--border-soft);
}

.page-about__stats-head {
  text-align: center;
}

.page-about__stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 36px;
}

.page-about__stat-cell {
  background: var(--card-gray);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  padding: 22px 14px;
  text-align: center;
  transition: transform var(--t), border-color var(--t-fast);
}

.page-about__stat-cell:hover {
  transform: translateY(-4px);
  border-color: rgba(245, 184, 46, .35);
}

.page-about__stat-num {
  color: var(--gold);
  font-size: clamp(28px, 5.5vw, 44px);
  line-height: 1.1;
  letter-spacing: -.01em;
  display: block;
}

.page-about__stat-num sup {
  font-size: .42em;
  letter-spacing: 0;
  margin-left: 3px;
}

.page-about__stats-note {
  margin-top: 26px;
  text-align: center;
}

.page-about__stats-note p {
  max-width: 64ch;
  margin: 0 auto;
  color: var(--gray);
  font-size: 14px;
  line-height: 1.8;
}

.page-about__honor-list {
  list-style: none;
  margin: 36px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-about__honor-item {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  background: rgba(26, 42, 90, .38);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  padding: 22px 20px;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}

.page-about__honor-item:hover {
  border-color: rgba(245, 184, 46, .32);
  box-shadow: 0 0 0 3px var(--about-gold-soft);
}

.page-about__honor-icon {
  color: var(--gold);
  font-size: 24px;
  line-height: 1;
  text-shadow: 0 0 14px rgba(245, 184, 46, .5);
}

.page-about__honor-body h3 {
  font-size: 17px;
  margin: 0 0 8px;
}

.page-about__honor-body p {
  margin: 0;
  color: var(--gray);
  font-size: 14px;
  line-height: 1.75;
}

.page-about__ecosystem {
  border-bottom: 1px solid var(--border-soft);
}

.page-about__eco-grid {
  display: grid;
  gap: 26px;
  align-items: center;
  margin-top: 36px;
}

.page-about__eco-figure {
  margin: 0;
}

.page-about__eco-figure img {
  box-shadow: var(--shadow-soft);
}

.page-about__eco-nodes {
  display: grid;
  gap: 12px;
}

.page-about__eco-node {
  background: var(--card-gray);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}

.page-about__eco-node:hover {
  border-color: rgba(245, 184, 46, .3);
}

.page-about__eco-node summary {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: var(--about-eco-pad);
  cursor: pointer;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: .03em;
}

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

.page-about__eco-node summary::after {
  content: "";
  width: 8px;
  height: 8px;
  margin-left: auto;
  border-right: 2px solid var(--gold);
  border-bottom: 2px solid var(--gold);
  transform: rotate(45deg);
  transition: transform var(--t-fast);
}

.page-about__eco-node[open] summary::after {
  transform: rotate(-135deg);
}

.page-about__eco-node[open] summary {
  border-bottom: 1px solid var(--border-soft);
  padding-bottom: calc(var(--about-eco-pad) - 1px);
}

.page-about__eco-node p {
  margin: 0;
  padding: 14px var(--about-eco-pad) var(--about-eco-pad);
  color: var(--gray);
  font-size: 14px;
  line-height: 1.75;
}

.page-about__cta-section {
  background:
    radial-gradient(ellipse at 50% 100%, var(--nebula-blue), transparent 60%),
    var(--space-black);
}

.page-about__cta {
  text-align: center;
  padding: clamp(32px, 6vw, 56px) clamp(18px, 5vw, 48px);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(26, 42, 90, .55), rgba(26, 29, 43, .9));
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-soft);
}

.page-about__cta-text {
  margin: 0 auto;
  max-width: 50ch;
  font-size: 17px;
  line-height: 1.75;
  color: var(--galaxy-white);
}

.page-about__cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 24px;
}

@media (min-width: 860px) {
  .page-about__hero-inner {
    grid-template-columns: 1.05fr .95fr;
    gap: 56px;
  }

  .page-about__hero-lead {
    font-size: 16px;
  }

  .page-about__philosophy-grid {
    grid-template-columns: 1.08fr .92fr;
    gap: 52px;
  }

  .page-about__philosophy-figure {
    order: 2;
  }

  .page-about__timeline-list::before {
    left: 10px;
  }

  .page-about__tl-item {
    padding-left: 48px;
  }

  .page-about__tl-item::before {
    left: 2px;
    width: 16px;
    height: 16px;
  }

  .page-about__tl-item:hover .page-about__tl-card,
  .page-about__tl-item:focus-within .page-about__tl-card {
    transform: translateX(6px);
  }

  .page-about__tl-card p {
    font-size: 15px;
  }

  .page-about__stat-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
  }

  .page-about__stat-cell {
    padding: 30px 18px;
  }

  .page-about__stat-num {
    font-size: 46px;
  }

  .page-about__honor-list {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }

  .page-about__honor-item {
    padding: 26px 22px;
  }

  .page-about__eco-grid {
    grid-template-columns: 1fr 1fr;
    gap: 52px;
  }
}