.page-about {
  --about-panel-bg: rgba(255, 255, 255, 0.05);
  --about-green-glow: rgba(57, 255, 20, 0.12);
  position: relative;
  overflow-x: clip;
  background: var(--space-blue);
}

.page-about .about-hero {
  position: relative;
  padding: 36px 0 52px;
  overflow: hidden;
  background:
    radial-gradient(ellipse 70% 60% at 85% 5%, rgba(0, 217, 255, 0.14), transparent 60%),
    radial-gradient(ellipse 60% 55% at 10% 90%, rgba(57, 255, 20, 0.08), transparent 65%),
    var(--space-blue);
}

.page-about .about-hero::before {
  content: "2016";
  position: absolute;
  top: 8px;
  right: -8px;
  font-family: var(--font-data);
  font-size: clamp(100px, 20vw, 200px);
  font-weight: 800;
  line-height: 1;
  color: rgba(57, 255, 20, 0.08);
  transform: rotate(10deg);
  letter-spacing: -0.05em;
  pointer-events: none;
  z-index: 0;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(115deg, rgba(255, 255, 255, 0.025) 0 2px, transparent 2px 24px);
  pointer-events: none;
}

.page-about .about-hero .breadcrumb {
  position: relative;
  z-index: 1;
  margin-bottom: 28px;
}

.page-about .about-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 30px;
  align-items: center;
}

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

.page-about .hero-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.page-about .about-hero h1 {
  font-family: var(--font-head);
  font-size: clamp(34px, 9vw, 52px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
}

.page-about .about-lead {
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-muted);
  max-width: 54ch;
  margin: 0 0 28px;
}

.page-about .about-hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 30px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.page-about .about-stat-num {
  display: block;
  font-family: var(--font-data);
  font-size: clamp(20px, 4vw, 28px);
  font-weight: 700;
  line-height: 1;
  color: var(--electric-green);
}

.page-about .about-stat-label {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  color: var(--text-muted);
}

.page-about .about-hero-media {
  position: relative;
  z-index: 1;
  border-radius: 6px;
  transform: rotate(1deg);
  transition: transform 200ms var(--ease-out);
}

.page-about .about-hero-media:hover {
  transform: rotate(0deg);
}

.page-about .about-hero-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  box-shadow: 0 24px 60px rgba(0, 217, 255, 0.16);
}

.page-about .about-data {
  padding: 64px 0 72px;
  background: var(--soft-blue-tint);
}

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

.page-about .about-coverage-ring {
  position: relative;
  width: 200px;
  height: 200px;
  margin: 0 auto 22px;
}

.page-about .coverage-svg {
  display: block;
  width: 100%;
  height: 100%;
}

.page-about .coverage-arc {
  fill: none;
  stroke-width: 12;
  stroke-linecap: round;
  transition: opacity 200ms var(--ease-out), stroke-width 200ms var(--ease-out);
}

.page-about .coverage-arc--bg {
  stroke: rgba(255, 255, 255, 0.08);
}

.page-about .coverage-arc--green {
  stroke: var(--electric-green);
}

.page-about .coverage-arc--cyan {
  stroke: var(--data-cyan);
}

.page-about .coverage-arc--yellow {
  stroke: var(--warning-yellow);
}

.page-about .coverage-arc--red {
  stroke: var(--orange-red);
}

.page-about .coverage-arc:hover,
.page-about .about-coverage-ring:hover .coverage-arc {
  stroke-width: 15;
}

.page-about .coverage-center {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  text-align: center;
}

.page-about .coverage-number {
  font-family: var(--font-data);
  font-size: 34px;
  font-weight: 800;
  line-height: 1;
  color: var(--text-bright);
}

.page-about .coverage-label {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.page-about .coverage-legend {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 16px;
  max-width: 320px;
}

.page-about .coverage-legend li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
}

.page-about .legend-dot {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
}

.page-about .legend-dot--green {
  color: var(--electric-green);
}

.page-about .legend-dot--cyan {
  color: var(--data-cyan);
}

.page-about .legend-dot--yellow {
  color: var(--warning-yellow);
}

.page-about .legend-dot--red {
  color: var(--orange-red);
}

.page-about .about-data-content h3 {
  font-size: 24px;
  line-height: 1.3;
  margin: 0 0 12px;
}

.page-about .about-data-content > p {
  color: var(--text-muted);
  line-height: 1.75;
  max-width: 56ch;
  margin: 0 0 20px;
}

.page-about .data-chain {
  display: grid;
  gap: 14px;
  margin: 24px 0 28px;
}

.page-about .data-chain-step {
  background: var(--about-panel-bg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  transition: border-color 200ms var(--ease-out), transform 200ms var(--ease-out);
}

.page-about .data-chain-step:hover {
  border-color: rgba(0, 217, 255, 0.55);
  transform: translateY(-2px);
}

.page-about .data-chain-num {
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--data-cyan);
}

.page-about .data-chain-step strong {
  font-size: 18px;
}

.page-about .data-chain-step p {
  margin: 2px 0 0;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
}

.page-about .about-data-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .about-milestones {
  position: relative;
  padding: 64px 0 0;
  background: linear-gradient(180deg, var(--space-blue) 0%, var(--soft-blue-tint) 52%, var(--space-blue) 100%);
}

.page-about .about-timeline {
  list-style: none;
  margin: 48px 0 0;
  padding: 0;
  position: relative;
  display: grid;
  gap: 28px;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(to bottom, var(--data-cyan) 0%, rgba(57, 255, 20, 0.5) 100%);
}

.page-about .timeline-item {
  position: relative;
  padding-left: 44px;
}

.page-about .timeline-mark {
  position: absolute;
  left: 1px;
  top: 12px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--space-blue);
  border: 3px solid var(--data-cyan);
  box-shadow: 0 0 12px rgba(0, 217, 255, 0.6);
  transition: transform 200ms var(--ease-out), border-color 200ms var(--ease-out);
}

.page-about .timeline-item:hover .timeline-mark,
.page-about .timeline-item:focus-within .timeline-mark {
  transform: scale(1.2);
  border-color: var(--electric-green);
}

.page-about .timeline-card {
  background: var(--about-panel-bg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  padding: 20px 22px;
  transition: border-color 200ms var(--ease-out), transform 200ms var(--ease-out), background-color 200ms var(--ease-out);
}

.page-about .timeline-card:hover,
.page-about .timeline-item:hover .timeline-card {
  border-color: rgba(0, 217, 255, 0.5);
  background-color: rgba(0, 217, 255, 0.04);
  transform: translateX(4px);
}

.page-about .timeline-year {
  display: block;
  font-family: var(--font-data);
  font-size: 30px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--electric-green);
  margin-bottom: 10px;
}

.page-about .timeline-card h3 {
  margin: 0 0 8px;
  font-size: 20px;
  line-height: 1.3;
}

.page-about .timeline-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.7;
}

.page-about .about-pitch-visual {
  margin: 56px auto 0;
  padding: 0 16px;
  max-width: 900px;
}

.page-about .about-pitch-visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  transform: rotate(-1deg);
  box-shadow: 0 32px 64px rgba(0, 0, 0, 0.4);
}

.page-about .about-tech {
  padding: 64px 0;
  background: var(--soft-blue-tint);
}

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

.page-about .tech-list {
  list-style: none;
  margin: 28px 0 32px;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-about .tech-list li {
  position: relative;
  padding-left: 20px;
}

.page-about .tech-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 6px;
  height: 6px;
  background: var(--electric-green);
  transform: rotate(45deg);
}

.page-about .tech-list strong {
  display: block;
  color: var(--text-bright);
  margin-bottom: 4px;
}

.page-about .tech-list p {
  margin: 0;
  max-width: 52ch;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.7;
}

.page-about .tech-figures {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 22px;
}

.page-about .figure-num {
  display: block;
  font-family: var(--font-data);
  font-size: clamp(20px, 4vw, 28px);
  font-weight: 700;
  color: var(--electric-green);
  line-height: 1.1;
}

.page-about .tech-figures span:last-child {
  display: block;
  margin-top: 5px;
  font-size: 13px;
  color: var(--text-muted);
}

.page-about .about-tech-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  transform: rotate(-0.8deg);
  box-shadow: 0 24px 64px rgba(57, 255, 20, 0.12);
}

.page-about .about-partners {
  padding: 64px 0 80px;
  background: var(--space-blue);
}

.page-about .partners-grid {
  display: grid;
  gap: 18px;
  margin-top: 40px;
}

.page-about .partner-card {
  position: relative;
  min-height: 196px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  padding: 24px;
  transition: transform 200ms var(--ease-out), border-color 200ms var(--ease-out), background-color 200ms var(--ease-out);
}

.page-about .partner-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 217, 255, 0.5);
  background-color: rgba(0, 217, 255, 0.05);
}

.page-about .partner-index {
  font-family: var(--font-data);
  font-size: 46px;
  font-weight: 800;
  line-height: 1;
  color: rgba(57, 255, 20, 0.15);
  letter-spacing: -0.04em;
}

.page-about .partner-card h3 {
  margin: 0 0 8px;
  font-size: 20px;
}

.page-about .partner-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.7;
}

.page-about .about-cta {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
  margin-top: 48px;
  padding: 30px 24px;
  border-radius: 8px;
  border: 1px solid rgba(57, 255, 20, 0.28);
  background: linear-gradient(135deg, rgba(0, 217, 255, 0.12), rgba(57, 255, 20, 0.08));
}

.page-about .about-cta h3 {
  margin: 0 0 8px;
  font-size: clamp(22px, 4vw, 32px);
  line-height: 1.2;
}

.page-about .about-cta p {
  margin: 0;
  color: var(--text-muted);
  max-width: 48ch;
}

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

@media (min-width: 680px) {
  .page-about .data-chain {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 768px) {
  .page-about .about-hero {
    padding: 48px 0 80px;
  }

  .page-about .about-hero-grid {
    grid-template-columns: 7fr 5fr;
    gap: 48px;
  }

  .page-about .about-hero h1 {
    font-size: clamp(46px, 5vw, 68px);
  }

  .page-about .about-data-grid {
    grid-template-columns: 5fr 7fr;
    gap: 56px;
    align-items: start;
  }

  .page-about .about-coverage-ring {
    margin: 0 0 22px;
  }

  .page-about .about-tech-grid {
    grid-template-columns: 7fr 5fr;
    gap: 56px;
  }

  .page-about .partners-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
  }

  .page-about .about-cta {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 36px 40px;
  }

  .page-about .about-cta-links {
    flex: none;
  }
}

@media (min-width: 1024px) {
  .page-about .about-timeline {
    max-width: 720px;
    margin-left: 4vw;
  }
}