.page-about {
  --about-grid-lines:
    linear-gradient(rgba(0, 240, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 240, 255, 0.035) 1px, transparent 1px);
  background:
    radial-gradient(1100px 480px at 85% 4%, rgba(157, 0, 255, 0.16), transparent 62%),
    radial-gradient(900px 420px at 12% 38%, rgba(0, 240, 255, 0.08), transparent 58%),
    #0B0E14;
  color: var(--text-main);
  font-family: var(--font-body);
  min-width: 0;
  position: relative;
}
.page-about::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--about-grid-lines);
  background-size: 44px 44px;
  opacity: 0.55;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.45), transparent 78%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.45), transparent 78%);
}
.page-about > * {
  position: relative;
  z-index: 1;
}
.page-about .section-eyebrow {
  color: var(--neon-blue);
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.page-about .section-eyebrow::before {
  content: "//";
  color: var(--neon-purple);
  font-weight: 700;
}
.page-about .section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0 0 16px;
}
.page-about .section-desc {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.8;
  max-width: 760px;
  margin: 0;
}
.about-breadcrumb {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 34px 24px 0;
  display: flex;
  justify-content: flex-end;
}
.about-breadcrumb-inner {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}
.about-breadcrumb-link {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease, text-shadow 0.2s ease;
}
.about-breadcrumb-link:hover,
.about-breadcrumb-link:focus-visible {
  color: var(--neon-blue);
  text-shadow: 0 0 12px rgba(0, 240, 255, 0.45);
}
.about-breadcrumb-sep {
  color: var(--neon-purple);
}
.about-breadcrumb-current {
  color: var(--text-main);
  font-weight: 600;
}
.about-hero {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 48px 24px 80px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 44px;
  align-items: center;
  position: relative;
}
.about-hero::before {
  content: "";
  position: absolute;
  width: 460px;
  height: 460px;
  right: -120px;
  top: 10px;
  background-image:
    radial-gradient(1.5px 1.5px at 24% 32%, rgba(255, 255, 255, 0.7), transparent 100%),
    radial-gradient(1px 1px at 68% 22%, rgba(0, 240, 255, 0.9), transparent 100%),
    radial-gradient(2px 2px at 84% 48%, rgba(255, 255, 255, 0.5), transparent 100%),
    radial-gradient(1px 1px at 42% 72%, rgba(255, 215, 0, 0.65), transparent 100%),
    radial-gradient(1.5px 1.5px at 91% 15%, rgba(157, 0, 255, 0.85), transparent 100%);
  opacity: 0.4;
  pointer-events: none;
}
.about-hero-visual {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-glow), 0 24px 60px rgba(0, 0, 0, 0.55);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}
.about-hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.08), rgba(157, 0, 255, 0.16));
  mix-blend-mode: screen;
  pointer-events: none;
}
.about-hero-img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.about-hero-visual:hover .about-hero-img {
  transform: scale(1.02);
}
.about-eyebrow {
  color: var(--neon-blue);
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  margin-bottom: 18px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.about-eyebrow::after {
  content: "";
  width: 52px;
  height: 1px;
  background: linear-gradient(90deg, var(--neon-blue), transparent);
  display: inline-block;
}
.about-hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 6vw, 4.25rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 22px;
}
.about-hero-lead {
  color: var(--text-muted);
  font-size: 1.0625rem;
  line-height: 1.85;
  max-width: 620px;
  margin-bottom: 30px;
}
.about-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.about-hero-tag {
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--neon-blue);
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.18);
  padding: 8px 16px;
  border-radius: 999px;
}
.about-origin {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 68px 24px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 44px;
  border-top: 1px solid var(--border-soft);
}
.about-origin-copy {
  position: relative;
  padding-left: 20px;
}
.about-origin-copy::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--neon-blue), var(--neon-purple) 70%, transparent);
  border-radius: 999px;
  opacity: 0.55;
}
.about-origin-lead {
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 18px;
  color: var(--text-main);
}
.about-origin-text-brief,
.about-origin-text-more {
  color: var(--text-muted);
  line-height: 1.85;
  margin-bottom: 16px;
}
.about-origin-text-more {
  margin-bottom: 0;
}
.about-origin-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.about-metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 24px 20px;
  position: relative;
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.about-metric-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 240, 255, 0.35);
  box-shadow: 0 0 24px rgba(0, 240, 255, 0.09);
}
.about-metric-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, transparent 50%, var(--neon-purple) 50%);
  opacity: 0.3;
}
.about-metric-value {
  display: block;
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}
.about-metric-label {
  display: block;
  font-size: 0.8125rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}
.about-history {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 68px 24px;
  position: relative;
}
.about-history-head {
  margin-bottom: 52px;
}
.about-history-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}
.about-history-track {
  position: relative;
  display: flex;
  flex-direction: column;
}
.about-history-track::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, rgba(0, 240, 255, 0.55), rgba(157, 0, 255, 0.4) 55%, rgba(255, 215, 0, 0.25));
  opacity: 0.7;
}
.about-history-item {
  position: relative;
  padding-left: 56px;
  padding-bottom: 42px;
}
.about-history-item:last-child {
  padding-bottom: 0;
}
.about-history-marker {
  position: absolute;
  left: 0;
  top: 8px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
  clip-path: polygon(50% 0, 93% 25%, 93% 75%, 50% 100%, 7% 75%, 7% 25%);
}
.about-history-marker::after {
  content: "";
  width: 14px;
  height: 14px;
  background: var(--bg-main);
  clip-path: polygon(50% 0, 93% 25%, 93% 75%, 50% 100%, 7% 75%, 7% 25%);
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.85);
}
.about-history-detail {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-left: 3px solid rgba(0, 240, 255, 0.45);
  border-radius: var(--radius);
  padding: 22px 24px;
  transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}
.about-history-detail:hover,
.about-history-item:focus-within .about-history-detail {
  background: var(--bg-raised);
  border-left-color: var(--neon-blue);
  box-shadow: 0 0 24px rgba(0, 240, 255, 0.08);
  transform: translateX(6px);
}
.about-history-year {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.8125rem;
  color: var(--gold);
  border: 1px solid rgba(255, 215, 0, 0.32);
  border-radius: 4px;
  padding: 4px 12px;
  margin-bottom: 12px;
  letter-spacing: 0.14em;
  background: rgba(255, 215, 0, 0.06);
}
.about-history-detail h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 10px;
}
.about-history-detail p {
  color: var(--text-muted);
  line-height: 1.8;
  font-size: 0.9375rem;
  margin: 0;
}
.about-history-aside {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.about-history-media {
  border-color: rgba(157, 0, 255, 0.35);
}
.about-history-note {
  margin: 0;
  padding: 24px;
  background: rgba(17, 24, 39, 0.6);
  border: 1px solid rgba(255, 215, 0, 0.16);
  border-radius: var(--radius);
}
.about-history-note::before {
  content: "◆";
  color: var(--gold);
  font-size: 1rem;
  display: block;
  margin-bottom: 10px;
}
.about-history-note blockquote {
  margin: 0;
  color: var(--text-main);
  font-size: 1rem;
  line-height: 1.75;
}
.about-ecosystem {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 68px 24px;
}
.about-ecosystem-head {
  margin-bottom: 42px;
}
.about-ecosystem-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}
.about-service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: 18px;
  overflow: hidden;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.about-service-card:hover,
.about-service-card:focus-within {
  border-color: rgba(0, 240, 255, 0.35);
  box-shadow: 0 0 26px rgba(0, 240, 255, 0.07);
}
.about-service-card summary {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 24px;
  cursor: pointer;
  user-select: none;
}
.about-service-card summary::-webkit-details-marker {
  display: none;
}
.about-service-index {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--gold);
  background: rgba(255, 215, 0, 0.08);
  border: 1px solid rgba(255, 215, 0, 0.22);
  border-radius: 6px;
  padding: 6px 12px;
  flex-shrink: 0;
}
.about-service-title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  flex: 1;
  min-width: 0;
}
.about-service-arrow {
  width: 10px;
  height: 10px;
  flex-shrink: 0;
  border-right: 2px solid var(--neon-blue);
  border-bottom: 2px solid var(--neon-blue);
  transform: rotate(45deg);
  transition: transform 0.25s ease;
  margin-top: -6px;
}
.about-service-card[open] .about-service-arrow {
  transform: rotate(225deg);
  margin-top: 4px;
}
.about-service-body {
  padding: 0 24px 24px;
  border-top: 1px solid rgba(0, 240, 255, 0.1);
}
.about-service-body p {
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 18px;
  padding-top: 18px;
}
.about-ecosystem-visual {
  margin-top: 32px;
}
.about-ecosystem-visual .media-frame {
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}
.about-credentials {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 68px 24px;
}
.about-credentials-head {
  margin-bottom: 42px;
}
.about-credentials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}
.about-credential-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 30px 26px 24px;
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.about-credential-card:hover {
  transform: translateY(-4px);
  border-color: rgba(157, 0, 255, 0.4);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}
.about-credential-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(
    90deg,
    var(--neon-blue) 0 8%, transparent 8% 16%,
    var(--gold) 16% 24%, transparent 24% 32%,
    var(--neon-purple) 32% 40%, transparent 40% 48%,
    var(--neon-blue) 48% 56%, transparent 56% 64%,
    var(--gold) 64% 72%, transparent 72% 80%,
    var(--neon-purple) 80% 88%, transparent 88% 100%
  );
  opacity: 0.5;
}
.about-credential-seal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--neon-blue);
  border: 1px solid rgba(0, 240, 255, 0.35);
  border-radius: 50%;
  width: 64px;
  height: 64px;
  margin-bottom: 20px;
  background: radial-gradient(circle at 30% 30%, rgba(0, 240, 255, 0.12), transparent 70%);
}
.about-credential-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 12px;
}
.about-credential-desc {
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.75;
  margin-bottom: 16px;
}
.about-credential-tag {
  display: inline-block;
  font-size: 0.8125rem;
  color: var(--text-muted);
  border-left: 2px solid var(--gold);
  padding-left: 10px;
}
.about-close {
  max-width: var(--container-w);
  margin: 32px auto 0;
  padding: 0 24px 88px;
}
.about-close-inner {
  position: relative;
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.08), rgba(157, 0, 255, 0.14) 60%, rgba(255, 215, 0, 0.05));
  border: 1px solid rgba(0, 240, 255, 0.2);
  border-radius: 24px;
  padding: 52px 28px;
  text-align: center;
  overflow: hidden;
}
.about-close-inner::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--grad-main);
}
.about-close-inner::after {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(157, 0, 255, 0.2), transparent 70%);
  pointer-events: none;
}
.about-close-kicker {
  font-family: var(--font-heading);
  color: var(--neon-blue);
  font-size: 0.8125rem;
  letter-spacing: 0.28em;
  margin-bottom: 16px;
}
.about-close-title {
  font-family: var(--font-heading);
  font-size: clamp(1.625rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 18px;
}
.about-close-desc {
  max-width: 640px;
  margin: 0 auto 32px;
  color: var(--text-muted);
  line-height: 1.8;
}
.about-close-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}
@media (min-width: 900px) {
  .about-hero {
    grid-template-columns: 1.1fr 0.9fr;
    padding-top: 24px;
    min-height: 540px;
  }
  .about-hero-visual {
    order: 2;
    height: 100%;
    min-height: 420px;
  }
  .about-hero-body {
    order: 1;
  }
  .about-origin {
    grid-template-columns: 1fr 0.8fr;
    gap: 64px;
    align-items: center;
    padding-top: 96px;
    padding-bottom: 96px;
  }
  .about-history {
    padding-top: 96px;
    padding-bottom: 96px;
  }
  .about-history-layout {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 56px;
    align-items: start;
  }
  .about-history-track::before {
    left: 19px;
  }
  .about-history-item {
    padding-left: 68px;
  }
  .about-history-marker {
    width: 40px;
    height: 40px;
  }
  .about-ecosystem {
    padding-top: 96px;
    padding-bottom: 96px;
  }
  .about-ecosystem-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .about-credentials {
    padding-top: 96px;
    padding-bottom: 96px;
  }
  .about-credentials-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
  }
  .about-close {
    padding-bottom: 120px;
  }
  .about-close-inner {
    padding: 64px 48px;
  }
}
@media (min-width: 1200px) {
  .about-credentials-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}
