.page-about {
  --about-grid: rgba(143, 219, 176, 0.16);
  --about-muted: rgba(242, 239, 233, 0.68);
  --about-panel: #125C47;
  --about-gold-line: rgba(247, 200, 69, 0.4);
  background: var(--arena-green-dark);
  color: var(--cream);
}

.js-enabled .page-about [data-reveal] {
  opacity: 0;
  transform: translateY(24px) rotate(0.4deg);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.js-enabled .page-about [data-reveal].is-revealed {
  opacity: 1;
  transform: translateY(0) rotate(0deg);
}

@media (prefers-reduced-motion: reduce) {
  .page-about [data-reveal],
  .page-about [data-reveal].is-revealed {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

.page-about .about-breadcrumb {
  margin-bottom: 48px;
}

.page-about .about-hero {
  position: relative;
  padding: calc(var(--header-h) + 48px) 0 56px;
  background: linear-gradient(155deg, #0B3D2E 0%, #0E4A36 52%, #125C47 100%);
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 46%;
  height: 100%;
  background: linear-gradient(120deg, transparent 35%, rgba(247, 200, 69, 0.09) 35%, rgba(247, 200, 69, 0.09) 37%, transparent 37%), linear-gradient(120deg, transparent 58%, rgba(143, 219, 176, 0.07) 58%, rgba(143, 219, 176, 0.07) 60%, transparent 60%);
  pointer-events: none;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: -90px;
  bottom: -60px;
  width: 320px;
  height: 320px;
  border: 2px dashed rgba(247, 200, 69, 0.16);
  border-radius: 48% 52% 51% 49% / 41% 45% 55% 59%;
  pointer-events: none;
}

.page-about .about-hero .container {
  position: relative;
  z-index: 1;
}

.page-about .about-hero-grid {
  display: grid;
  gap: 40px;
  align-items: center;
}

.page-about .about-hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  color: var(--gold-bright);
  text-transform: uppercase;
  margin-bottom: 18px;
}

.page-about .about-kicker-dot {
  width: 8px;
  height: 8px;
  background: var(--signal-red);
  display: inline-block;
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
  animation: aboutPulse 2s ease infinite;
}

@keyframes aboutPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.page-about .about-hero-content h1 {
  font-family: var(--font-body);
  font-weight: 900;
  font-size: clamp(2.1rem, 4.5vw, 3.2rem);
  line-height: 1.2;
  color: var(--cream);
  letter-spacing: -0.01em;
  margin-bottom: 20px;
}

.page-about .about-hero-lead {
  color: var(--about-muted);
  font-size: 1rem;
  line-height: 1.75;
  max-width: 34em;
  margin-bottom: 28px;
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-about .about-hero-visual {
  position: relative;
}

.page-about .about-map-frame {
  position: relative;
  background: var(--arena-green);
  border: 1px solid var(--about-grid);
  padding: 12px;
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 24px 100%, 0 calc(100% - 24px));
}

.page-about .about-map-img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .about-map-track {
  position: absolute;
  inset: 12px;
  z-index: 1;
  pointer-events: none;
}

.page-about .about-map-track svg {
  width: 100%;
  height: 100%;
  opacity: 0.8;
}

.page-about .about-map-tag {
  position: absolute;
  z-index: 2;
  background: var(--night-shadow);
  color: var(--gold-bright);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  padding: 6px 10px;
  border-left: 2px solid var(--signal-red);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%);
}

.page-about .about-map-tag--origin {
  left: 12px;
  bottom: 12px;
}

.page-about .about-map-tag--network {
  top: 12px;
  right: 12px;
}

.page-about .about-hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--about-grid);
  border: 1px solid var(--about-grid);
  margin-top: 48px;
}

.page-about .about-hero-stat {
  background: rgba(11, 61, 46, 0.94);
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
  text-align: center;
}

.page-about .about-stat-label {
  font-size: 0.8rem;
  color: var(--field-line);
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
}

.page-about .about-stat-num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  line-height: 1;
  color: var(--gold-bright);
  letter-spacing: 0.03em;
}

.page-about .about-network {
  padding: 72px 0;
  background: var(--arena-green-dark);
}

.page-about .about-section-head,
.page-about .about-version-head,
.page-about .about-ecosystem-head {
  margin-bottom: 48px;
}

.page-about .about-section-desc {
  max-width: 660px;
  color: var(--about-muted);
  font-size: 1rem;
  line-height: 1.7;
  margin-top: 16px;
}

.page-about .about-net-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-about .about-net-card {
  background: var(--about-panel);
  padding: 24px;
  border: 1px solid var(--about-grid);
  position: relative;
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-about .about-net-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

.page-about .about-net-card::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 4px;
  height: 0;
  background: var(--gold-bright);
  transition: height 0.25s ease;
}

.page-about .about-net-card:hover::after {
  height: 100%;
}

.page-about .about-net-num {
  display: block;
  font-family: var(--font-display);
  font-size: 3rem;
  line-height: 1;
  color: var(--gold-bright);
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}

.page-about .about-net-card h3 {
  font-size: 1.125rem;
  color: var(--cream);
  margin-bottom: 8px;
}

.page-about .about-net-card p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--about-muted);
}

.page-about .about-net-foot {
  margin-top: 32px;
  padding: 20px 0 0;
  border-top: 1px solid var(--about-grid);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-about .about-net-foot p {
  color: var(--about-muted);
  max-width: 660px;
  line-height: 1.7;
}

.page-about .about-net-foot strong {
  color: var(--gold-bright);
  font-family: var(--font-mono);
  font-weight: 600;
}

.page-about .about-net-link {
  color: var(--gold-bright);
  font-family: var(--font-body);
  text-decoration: none;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-about .about-net-link::after {
  content: "→";
  transition: transform 0.2s ease;
}

.page-about .about-net-link:hover::after {
  transform: translateX(4px);
}

.page-about .about-version {
  padding: 72px 0;
  background: linear-gradient(180deg, #0B3D2E 0%, #082A20 100%);
}

.page-about .about-version-layout {
  display: grid;
  gap: 40px;
}

.page-about .about-version-list {
  position: relative;
}

.page-about .about-version-list::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 24px;
  bottom: 24px;
  width: 1px;
  background: linear-gradient(to bottom, var(--gold-bright), rgba(247, 200, 69, 0.12));
  pointer-events: none;
}

.page-about .about-version-item {
  position: relative;
  margin-bottom: 16px;
  border: 1px solid var(--about-grid);
  border-left: 3px solid var(--gold-bright);
  background: rgba(18, 92, 71, 0.55);
}

.page-about .about-version-item summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  list-style: none;
  padding: 16px 18px;
}

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

.page-about .about-version-badge {
  background: var(--gold-bright);
  color: var(--night-shadow);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.82rem;
  padding: 6px 10px;
  letter-spacing: 0.04em;
  clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 0 100%);
  white-space: nowrap;
}

.page-about .about-version-name {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--cream);
  min-width: 0;
  overflow-wrap: break-word;
}

.page-about .about-version-more {
  color: var(--gold-bright);
  font-family: var(--font-mono);
  font-size: 1.25rem;
  line-height: 1;
  transition: transform 0.3s ease;
}

.page-about .about-version-item[open] .about-version-more {
  transform: rotate(45deg);
}

.page-about .about-version-detail {
  padding: 4px 18px 20px 56px;
  color: var(--about-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.page-about .about-version-media {
  margin: 0;
  position: relative;
}

.page-about .about-version-media img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--about-grid);
  background: var(--arena-green);
  clip-path: polygon(0 16px, 16px 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-about .about-version-media figcaption {
  margin-top: 16px;
  color: var(--about-muted);
  font-size: 0.9rem;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.page-about .about-cert {
  background: var(--off-white);
  color: var(--arena-green-dark);
  padding: 72px 0;
}

.page-about .about-cert .section-kicker {
  color: var(--gold-dark);
}

.page-about .about-cert .section-title {
  color: var(--arena-green-dark);
}

.page-about .about-cert .about-section-desc {
  color: rgba(11, 61, 46, 0.72);
}

.page-about .about-cert-layout {
  display: grid;
  gap: 40px;
  margin-bottom: 48px;
}

.page-about .about-team-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 28px 0;
}

.page-about .about-team-stat {
  background: var(--arena-green-dark);
  color: var(--cream);
  padding: 20px;
  border-left: 3px solid var(--gold-bright);
}

.page-about .about-team-stat .stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--gold-bright);
  line-height: 1.1;
  margin-bottom: 4px;
}

.page-about .about-team-stat .stat-label {
  font-size: 0.82rem;
  line-height: 1.5;
  opacity: 0.76;
}

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

.page-about .about-cert-list li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 10px;
  font-size: 0.95rem;
  font-weight: 600;
}

.page-about .about-cert-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 12px;
  height: 12px;
  background: var(--gold-bright);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}

.page-about .about-cert-media {
  margin: 0;
  position: relative;
}

.page-about .about-cert-media img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid rgba(11, 61, 46, 0.18);
  box-shadow: var(--shadow);
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 0 100%);
}

.page-about .about-cert-media figcaption {
  margin-top: 14px;
  font-size: 0.85rem;
  color: rgba(11, 61, 46, 0.55);
  font-family: var(--font-mono);
}

.page-about .about-awards {
  display: grid;
  gap: 16px;
}

.page-about .about-award-item {
  background: var(--arena-green);
  color: var(--cream);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}

.page-about .about-award-item p {
  margin: 0;
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.5;
}

.page-about .about-award-year {
  background: var(--gold-bright);
  color: var(--night-shadow);
  font-family: var(--font-mono);
  font-weight: 700;
  padding: 8px 12px;
  font-size: 1rem;
  flex-shrink: 0;
  letter-spacing: 0.04em;
}

.page-about .about-ecosystem {
  padding: 72px 0;
  background: linear-gradient(180deg, #0B3D2E 0%, #082A20 100%);
}

.page-about .about-eco-grid {
  display: grid;
  gap: 20px;
  margin-top: 40px;
}

.page-about .about-eco-card {
  position: relative;
  background: rgba(18, 92, 71, 0.55);
  border: 1px solid var(--about-grid);
  padding: 28px 24px;
  overflow: hidden;
}

.page-about .about-eco-card::before {
  content: "";
  position: absolute;
  right: -20px;
  bottom: -20px;
  width: 90px;
  height: 90px;
  border: 1px dashed var(--about-gold-line);
  transform: rotate(12deg);
  pointer-events: none;
}

.page-about .about-eco-num {
  display: block;
  font-family: var(--font-display);
  font-size: 3.4rem;
  line-height: 1;
  color: var(--gold-bright);
  margin-bottom: 18px;
  letter-spacing: 0.03em;
}

.page-about .about-eco-card h3 {
  color: var(--cream);
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.page-about .about-eco-card p {
  color: var(--about-muted);
  font-size: 0.92rem;
  line-height: 1.65;
  margin: 0;
}

.page-about .about-ecosystem-cta {
  margin-top: 48px;
  padding: 28px 0;
  border-top: 1px solid var(--about-grid);
  border-bottom: 1px solid var(--about-grid);
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: flex-start;
}

.page-about .about-ecosystem-cta p {
  max-width: 560px;
  color: var(--about-muted);
  line-height: 1.7;
  margin: 0;
}

.page-about .about-cta-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

@media (min-width: 768px) {
  .page-about .about-hero-stats {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about .about-net-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-about .about-net-foot {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }

  .page-about .about-awards {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-about .about-eco-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-about .about-ecosystem-cta {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

@media (min-width: 992px) {
  .page-about .about-hero-grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 56px;
  }

  .page-about .about-version-layout {
    grid-template-columns: 1fr 0.9fr;
    gap: 64px;
    align-items: start;
  }

  .page-about .about-cert-layout {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 64px;
    align-items: center;
  }
}

@media (min-width: 1100px) {
  .page-about .about-net-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}