.page-about {
  background: var(--bg-deep);
  overflow-x: hidden;
}

.page-about h1,
.page-about h2,
.page-about h3 {
  font-family: var(--font-heading);
  color: var(--text-main);
}

.page-about a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.page-about .btn {
  text-decoration: none;
}

.page-about img {
  max-width: 100%;
  height: auto;
}

.page-about a:focus-visible,
.page-about summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
  border-radius: 2px;
}

.page-about [id] {
  scroll-margin-top: 120px;
}

.page-about .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
  color: var(--text-sub);
  font-size: 13px;
}

.page-about .breadcrumb a {
  color: var(--text-sub);
  text-decoration: none;
  transition: color .2s;
}

.page-about .breadcrumb a:hover {
  color: var(--cyan);
}

.page-about .about-hero {
  position: relative;
  padding: 48px 0 80px;
  overflow: hidden;
  background:
    radial-gradient(circle at 78% 12%, rgba(139, 92, 246, .16), transparent 42%),
    linear-gradient(135deg, rgba(0, 229, 255, .1), transparent 42%),
    var(--bg-deep);
}

.page-about .about-hero-wm {
  position: absolute;
  top: 18px;
  right: -8px;
  z-index: 0;
  color: rgba(229, 233, 242, .045);
  font-family: var(--font-heading);
  font-size: clamp(92px, 22vw, 220px);
  font-weight: 700;
  line-height: .8;
  letter-spacing: -0.05em;
  white-space: nowrap;
  user-select: none;
  pointer-events: none;
}

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

.page-about .about-hero-grid {
  display: grid;
  gap: 32px;
  align-items: center;
}

.page-about .about-hero-content h1 {
  margin: 10px 0 18px;
  font-size: clamp(34px, 6vw, 60px);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.page-about .about-hero-desc {
  max-width: 680px;
  margin: 0 0 24px;
  color: var(--text-sub);
  font-size: 16px;
  line-height: 1.8;
}

.page-about .about-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

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

.page-about .about-hero-panel {
  position: relative;
  padding: 28px;
  border: 1px solid rgba(0, 229, 255, .22);
  background:
    linear-gradient(135deg, rgba(0, 229, 255, .06), transparent 48%),
    var(--bg-panel);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
}

.page-about .about-panel-label {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-about .about-panel-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px 14px;
}

.page-about .about-stat-item {
  border-left: 2px solid rgba(0, 229, 255, .24);
  padding-left: 12px;
}

.page-about .about-stat-value {
  display: block;
  font-family: var(--font-mono);
  font-size: 32px;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text-main);
}

.page-about .about-stat-value::after {
  content: "";
  display: block;
  width: 24px;
  height: 2px;
  margin-top: 8px;
  background: linear-gradient(90deg, var(--cyan), var(--purple));
}

.page-about .about-stat-label {
  display: block;
  margin-top: 8px;
  color: var(--text-sub);
  font-size: 13px;
}

.page-about .about-overview,
.page-about .about-team {
  position: relative;
}

.page-about .about-overview::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 100%;
  height: 8px;
  background: linear-gradient(90deg, var(--cyan), var(--purple));
  clip-path: polygon(0 0, 100% 0, 100% 38%, 0 100%);
  opacity: .22;
}

.page-about .about-overview-layout {
  display: grid;
  gap: 28px;
}

.page-about .about-overview-copy h2,
.page-about .section-header h2 {
  margin: 8px 0 16px;
  font-size: clamp(28px, 4.6vw, 44px);
  line-height: 1.1;
}

.page-about .about-overview-lead {
  margin-bottom: 20px;
  color: var(--text-main);
  font-size: 18px;
  line-height: 1.7;
}

.page-about .about-overview-copy p,
.page-about .about-timeline-card p,
.page-about .about-team-card p,
.page-about .about-qualification-panel p {
  color: var(--text-sub);
  line-height: 1.75;
}

.page-about .about-overview-side {
  padding: 28px;
  border: 1px solid rgba(139, 92, 246, .22);
  background: var(--bg-panel);
}

.page-about .about-overview-side h3,
.page-about .about-journey-panel h3,
.page-about .about-data-steps h3,
.page-about .about-data-map h3,
.page-about .about-qualification-panel h3,
.page-about .about-team-card h3 {
  margin: 0 0 14px;
  font-size: 20px;
}

.page-about .about-overview-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .about-overview-list li {
  border-left: 2px solid var(--cyan);
  padding-left: 14px;
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.6;
}

.page-about .about-overview-list strong {
  display: block;
  margin-bottom: 2px;
  color: var(--text-main);
}

.page-about .about-overview-device {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid rgba(229, 233, 242, .08);
  color: var(--text-sub);
  font-size: 14px;
}

.page-about .section-header {
  margin-bottom: 40px;
}

.page-about .section-desc {
  max-width: 760px;
  margin: 0;
  color: var(--text-sub);
  line-height: 1.7;
}

.page-about .about-journey {
  background:
    radial-gradient(circle at 8% 70%, rgba(0, 229, 255, .06), transparent 32%),
    var(--bg-deep);
}

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

.page-about .about-timeline {
  position: relative;
  padding-left: 40px;
  display: grid;
  gap: 22px;
}

.page-about .about-timeline-svg {
  position: absolute;
  left: 10px;
  top: 0;
  width: 8px;
  height: 100%;
  overflow: visible;
}

.page-about .about-timeline-item {
  position: relative;
}

.page-about .about-timeline-dot {
  position: absolute;
  left: -33px;
  top: 6px;
  width: 14px;
  height: 14px;
  background: var(--bg-deep);
  border: 2px solid var(--cyan);
  transform: rotate(45deg);
  box-shadow: 0 0 12px rgba(0, 229, 255, .35);
}

.page-about .about-timeline-card {
  padding: 22px;
  border-left: 2px solid var(--cyan);
  background: var(--bg-panel);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
}

.page-about .about-timeline-card h3 {
  margin: 0 0 8px;
  font-size: 21px;
}

.page-about .about-timeline-card details {
  margin-top: 10px;
}

.page-about .about-timeline-card summary,
.page-about .about-team-view summary {
  cursor: pointer;
  list-style: none;
  color: var(--cyan);
  font-size: 14px;
  font-weight: 600;
}

.page-about .about-timeline-card summary::-webkit-details-marker,
.page-about .about-team-view summary::-webkit-details-marker {
  display: none;
}

.page-about .about-timeline-card details[open] summary {
  margin-bottom: 8px;
}

.page-about .about-journey-side {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-about .about-journey-panel {
  padding: 24px;
  border: 1px solid rgba(139, 92, 246, .2);
  background: var(--bg-panel);
}

.page-about .about-feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px 12px;
}

.page-about .about-feature-list li {
  position: relative;
  padding-left: 18px;
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.6;
}

.page-about .about-feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .55em;
  width: 8px;
  height: 8px;
  background: var(--cyan);
  clip-path: polygon(50% 0, 100% 100%, 0 100%);
}

.page-about .about-data {
  position: relative;
  padding: 80px 0;
  overflow: hidden;
  background: var(--bg-panel);
}

.page-about .about-data::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(0, 229, 255, .08), transparent 45%),
    linear-gradient(180deg, var(--bg-deep), transparent 18%, transparent 82%, var(--bg-deep));
  pointer-events: none;
}

.page-about .about-data-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: .28;
}

.page-about .about-data-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(.9) contrast(1.25) brightness(.55);
}

.page-about .about-data-inner {
  position: relative;
  z-index: 2;
}

.page-about .about-data .section-desc {
  color: var(--text-sub);
}

.page-about .about-data-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 40px;
}

.page-about .about-metric-item {
  padding: 22px;
  border: 1px solid rgba(139, 92, 246, .38);
  background: rgba(17, 27, 46, .86);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
}

.page-about .about-metric-value {
  display: block;
  font-family: var(--font-mono);
  font-size: 36px;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--cyan);
}

.page-about .about-metric-label {
  display: block;
  margin-top: 8px;
  color: var(--text-sub);
  font-size: 13px;
}

.page-about .about-data-layout {
  display: grid;
  gap: 20px;
}

.page-about .about-data-steps,
.page-about .about-data-map {
  padding: 24px;
  border: 1px solid rgba(0, 229, 255, .16);
  background: rgba(17, 27, 46, .86);
}

.page-about .about-steps {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 10px;
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.65;
}

.page-about .about-steps li::marker {
  font-family: var(--font-mono);
  color: var(--cyan);
}

.page-about .about-map-hint {
  margin: -6px 0 16px;
  color: var(--text-sub);
  font-size: 13px;
}

.page-about .about-map-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .about-map-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 14px;
  border: 1px solid rgba(0, 229, 255, .16);
  background: rgba(10, 14, 23, .66);
  transition: border-color .2s, background .2s;
}

.page-about .about-map-row:hover,
.page-about .about-map-row:focus-within {
  border-color: var(--cyan);
  background: rgba(10, 14, 23, .92);
}

.page-about .about-map-row > span:first-child {
  color: var(--text-main);
  font-size: 15px;
  font-weight: 500;
}

.page-about .about-map-tip {
  position: relative;
  padding: 3px 10px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan);
  background: rgba(0, 229, 255, .08);
}

.page-about .about-map-tip::after {
  content: attr(data-tip);
  position: absolute;
  right: 0;
  bottom: calc(100% + 8px);
  z-index: 3;
  min-width: 120px;
  padding: 6px 10px;
  border: 1px solid rgba(0, 229, 255, .4);
  border-radius: 4px;
  background: var(--bg-panel);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 12px;
  line-height: 1.4;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity .2s, transform .2s;
  pointer-events: none;
}

.page-about .about-map-row:hover .about-map-tip::after,
.page-about .about-map-row:focus-within .about-map-tip::after {
  opacity: 1;
  transform: translateY(0);
}

.page-about .about-map-note {
  margin: 16px 0 0;
  color: var(--text-sub);
  font-size: 13px;
}

.page-about .about-team {
  background:
    radial-gradient(circle at 90% 8%, rgba(139, 92, 246, .1), transparent 36%),
    var(--bg-deep);
}

.page-about .about-team::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 100%;
  height: 8px;
  background: linear-gradient(90deg, var(--purple), var(--cyan));
  clip-path: polygon(0 100%, 100% 0, 100% 100%, 0 100%);
  opacity: .18;
}

.page-about .about-team-layout {
  display: grid;
  gap: 36px;
  align-items: start;
}

.page-about .about-team-diagram {
  display: grid;
  gap: 14px;
}

.page-about .about-team-view {
  padding: 20px;
  border: 1px solid rgba(0, 229, 255, .16);
  background: var(--bg-panel);
  transition: border-color .2s;
}

.page-about .about-team-view[open] {
  border-color: rgba(0, 229, 255, .5);
}

.page-about .about-team-view summary {
  color: var(--text-main);
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 600;
}

.page-about .about-team-ring {
  position: relative;
  width: min(240px, 62vw);
  aspect-ratio: 1;
  margin: 20px auto 0;
  border-radius: 50%;
  background: conic-gradient(
    var(--cyan) 0 34.6%,
    var(--purple) 34.6% 65.4%,
    var(--orange) 65.4% 88.5%,
    var(--green) 88.5% 100%
  );
  display: grid;
  place-items: center;
}

.page-about .about-team-ring::after {
  content: "";
  position: absolute;
  inset: 14%;
  border-radius: 50%;
  border: 1px solid rgba(0, 229, 255, .4);
  background: var(--bg-panel);
}

.page-about .about-team-ring-center {
  position: relative;
  z-index: 1;
  text-align: center;
}

.page-about .about-team-ring-center strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 46px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--text-main);
}

.page-about .about-team-ring-center span {
  display: block;
  margin-top: 6px;
  color: var(--text-sub);
  font-size: 13px;
}

.page-about .about-ring-legend {
  list-style: none;
  max-width: 240px;
  margin: 16px auto 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-about .about-ring-legend li {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-sub);
  font-size: 14px;
}

.page-about .legend-dot {
  width: 10px;
  height: 10px;
  flex: 0 0 auto;
  transform: rotate(45deg);
}

.page-about .legend-cyan {
  background: var(--cyan);
}

.page-about .legend-purple {
  background: var(--purple);
}

.page-about .legend-orange {
  background: var(--orange);
}

.page-about .legend-green {
  background: var(--green);
}

.page-about .about-team-list-view {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-about .about-team-list-view li {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: baseline;
  gap: 4px 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(229, 233, 242, .08);
}

.page-about .about-team-list-view span {
  color: var(--text-main);
  font-weight: 600;
}

.page-about .about-team-list-view strong {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--cyan);
}

.page-about .about-team-list-view small {
  grid-column: 1 / -1;
  color: var(--text-sub);
  font-size: 13px;
}

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

.page-about .about-team-card {
  padding: 20px;
  border: 1px solid rgba(139, 92, 246, .18);
  background: var(--bg-panel);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
}

.page-about .about-team-card h3 {
  margin: 14px 0 8px;
  font-size: 19px;
}

.page-about .about-team-card p {
  margin: 0;
  font-size: 15px;
}

.page-about .about-qualification {
  position: relative;
  background:
    linear-gradient(120deg, rgba(0, 229, 255, .04), transparent 40%),
    var(--bg-deep);
}

.page-about .about-qualification-layout {
  display: grid;
  gap: 20px;
}

.page-about .about-qualification-panel {
  padding: 28px;
  border: 1px solid rgba(139, 92, 246, .22);
  background: var(--bg-panel);
}

.page-about .about-quality-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .about-quality-list li {
  position: relative;
  padding-left: 20px;
  color: var(--text-sub);
  line-height: 1.65;
}

.page-about .about-quality-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .55em;
  width: 8px;
  height: 8px;
  background: var(--green);
  clip-path: polygon(0 0, 100% 50%, 0 100%);
}

.page-about .about-contact-block {
  margin-top: 48px;
  padding: 32px;
  border: 1px solid rgba(255, 122, 0, .28);
  background:
    linear-gradient(120deg, rgba(0, 229, 255, .08), transparent 38%),
    var(--bg-panel);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}

.page-about .about-contact-block h3 {
  margin: 6px 0 16px;
  font-size: 26px;
}

.page-about .about-contact-address {
  margin: 8px 0;
  color: var(--text-main);
  line-height: 1.7;
}

.page-about .about-contact-line {
  margin: 6px 0;
  color: var(--text-sub);
  line-height: 1.7;
}

.page-about .about-contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-about .about-media-brick {
  margin: 0;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(0, 229, 255, .16);
  background: var(--bg-panel);
}

.page-about .about-media-brick img {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .about-journey-figure {
  padding: 6px;
}

.page-about .about-journey-figure img {
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.page-about .about-team-figure {
  margin-top: 40px;
  padding: 6px;
  border-color: rgba(255, 122, 0, .18);
}

.page-about .about-team-figure img {
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

@media (min-width: 720px) {
  .page-about .about-panel-stats {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }

  .page-about .about-stat-item {
    border-left: none;
    border-top: 2px solid rgba(0, 229, 255, .24);
    padding: 12px 0 0;
  }

  .page-about .about-data-metrics {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about .about-data-layout {
    grid-template-columns: 1fr 1fr;
  }

  .page-about .about-overview-layout {
    grid-template-columns: 1.2fr .8fr;
  }

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

  .page-about .about-qualification-layout {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 960px) {
  .page-about .about-hero {
    padding: 72px 0 104px;
  }

  .page-about .about-hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(360px, .85fr);
    gap: 48px;
  }

  .page-about .about-hero-desc {
    font-size: 17px;
  }

  .page-about .about-journey-layout {
    grid-template-columns: minmax(0, 1.08fr) minmax(320px, .92fr);
    gap: 48px;
  }

  .page-about .about-journey-side {
    position: sticky;
    top: 120px;
  }

  .page-about .about-team-layout {
    grid-template-columns: .9fr 1.1fr;
    gap: 48px;
  }

  .page-about .about-team-diagram {
    position: sticky;
    top: 120px;
  }

  .page-about .about-contact-block {
    padding: 40px;
  }
}