.page-about {
  --about-accent: #00E5FF;
  --about-gold: #D4AF37;
  --about-green: #00FF9D;
  --about-violet: #8A2BE2;
  --about-panel: rgba(15, 37, 66, 0.6);
  --about-line: rgba(0, 229, 255, 0.16);
  --about-line-dim: rgba(136, 146, 176, 0.2);
  width: 100%;
  background:
    linear-gradient(rgba(0, 229, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.03) 1px, transparent 1px);
  background-size: 32px 32px;
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

.page-about__inner {
  padding-top: 2rem;
  padding-bottom: 4rem;
}

.page-about .breadcrumbs {
  margin-bottom: 2.5rem;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.page-about .breadcrumbs a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--trans);
}

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

.page-about__intro {
  position: relative;
  margin-bottom: 4rem;
}

.page-about__intro::before {
  content: "";
  position: absolute;
  top: -12px;
  right: -20px;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.12) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.page-about__intro-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  position: relative;
  z-index: 1;
}

.page-about__section-index {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--color-cyan);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  border-left: 2px solid var(--color-accent);
  padding-left: 0.5rem;
}

.page-about__title {
  font-family: var(--font-title);
  font-size: 1.875rem;
  font-weight: 900;
  line-height: 1.25;
  color: var(--color-text);
  margin: 0 0 1.25rem;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.14) 0%, transparent 40%);
  padding: 0.75rem 1rem 0.75rem 0;
  max-width: 54rem;
}

.page-about__lead {
  font-size: 1rem;
  color: var(--color-text);
  max-width: 46rem;
  margin: 0 0 1rem;
  letter-spacing: 0.01em;
}

.page-about__lead-sub {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  max-width: 40rem;
  margin: 0 0 1.75rem;
}

.page-about__intro-btn {
  display: inline-block;
  font-size: 0.9rem;
}

.page-about__intro-code {
  background: var(--about-panel);
  border: 1px solid var(--about-line);
  clip-path: var(--clip);
  padding: 1.5rem;
}

.page-about__intro-code dl {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

.page-about__intro-code dl div {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  border-bottom: 1px dashed var(--about-line-dim);
  padding-bottom: 0.75rem;
}

.page-about__intro-code dl div:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.page-about__intro-code dt {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.page-about__intro-code dd {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-gold);
  font-weight: 500;
}

.page-about__brand {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 4.5rem;
  padding: 0.25rem 0;
}

.page-about__section-head {
  margin-bottom: 1.5rem;
}

.page-about__heading {
  font-family: var(--font-title);
  font-size: 1.625rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0;
  letter-spacing: -0.01em;
}

.page-about__section-desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: 0.5rem 0 0;
  max-width: 34rem;
}

.page-about__brand-copy {
  font-size: 0.9375rem;
}

.page-about__brand-copy p {
  margin: 0 0 1rem;
}

.page-about__highlight {
  color: var(--color-green);
  font-weight: 500;
  background: rgba(0, 255, 157, 0.08);
  padding: 0 0.25rem;
}

.page-about__brand-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.page-about__brand-right {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.page-about__ideology {
  background: rgba(138, 43, 226, 0.06);
  border: 1px solid rgba(138, 43, 226, 0.2);
  clip-path: var(--clip);
  padding: 1.5rem;
}

.page-about__ideology-title {
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 1rem;
  color: var(--color-text);
  letter-spacing: 0.04em;
}

.page-about__ideology ol {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: ideology;
}

.page-about__ideology li {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--about-line-dim);
  font-size: 0.875rem;
}

.page-about__ideology li:last-child {
  border-bottom: none;
}

.page-about__ideology li span {
  font-family: var(--font-body);
  font-size: 0.7rem;
  color: var(--color-gold);
  min-width: 1.6rem;
}

.page-about__ideology-note {
  background: rgba(0, 229, 255, 0.05);
  border-left: 3px solid var(--color-cyan);
  padding: 0.9rem 1rem;
}

.page-about__ideology-note-text {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin: 0;
}

.page-about__history {
  margin-bottom: 4.5rem;
}

.page-about__timeline {
  position: relative;
  margin-top: 2rem;
  padding-left: 1.25rem;
}

.page-about__timeline::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--color-cyan) 0%, var(--color-accent) 60%, transparent 100%);
  opacity: 0.5;
}

.page-about__timeline-item {
  position: relative;
  margin-bottom: 1.25rem;
}

.page-about__timeline-dot {
  position: absolute;
  left: -1.25rem;
  top: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--color-gold);
  box-shadow: 0 0 8px rgba(212, 175, 55, 0.6);
}

.page-about__timeline-card {
  background: linear-gradient(135deg, rgba(15, 37, 66, 0.7) 0%, rgba(15, 37, 66, 0.4) 100%);
  border: 1px solid var(--about-line);
  border-left: 2px solid var(--color-gold);
  padding: 1rem 1.25rem;
  transition: border-color var(--trans), background var(--trans);
}

.page-about__timeline-card:hover {
  border-color: var(--color-cyan);
  border-left-color: var(--color-gold);
  background: rgba(15, 37, 66, 0.9);
}

.page-about__timeline-period {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--color-gold);
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid rgba(212, 175, 55, 0.25);
  padding: 0.1rem 0.5rem;
  margin-bottom: 0.5rem;
}

.page-about__timeline-card h3 {
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 0.4rem;
  color: var(--color-text);
}

.page-about__timeline-card p {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.5;
}

.page-about__capability {
  margin-bottom: 4.5rem;
}

.page-about__capability-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 2rem;
}

.page-about__capability-main {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.page-about__capability-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.page-about__stat-item {
  background: var(--about-panel);
  border: 1px solid var(--about-line);
  padding: 1rem 0.75rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-about__stat-item::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-cyan));
}

.page-about__stat-label {
  display: block;
  font-size: 0.7rem;
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
  margin-bottom: 0.25rem;
}

.page-about__stat-value {
  display: block;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-green);
  font-family: var(--font-title);
  line-height: 1.2;
}

.page-about__stat-unit {
  display: block;
  font-size: 0.68rem;
  color: var(--color-gold);
  margin-top: 0.1rem;
}

.page-about__capability-chart .media-frame__caption,
.page-about .media-frame::after,
.page-about .media-frame figcaption {
  font-size: 0.68rem;
}

.page-about .media-frame {
  display: block;
  position: relative;
  overflow: hidden;
  background: var(--color-bg-panel);
}

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

.page-about .media-frame[data-caption]::after {
  content: attr(data-caption);
  display: block;
  position: absolute;
  left: 0;
  bottom: 0;
  background: rgba(2, 12, 27, 0.8);
  color: var(--color-text);
  font-size: 0.68rem;
  padding: 0.25rem 0.6rem;
  letter-spacing: 0.05em;
  border-right: 2px solid var(--color-cyan);
  font-family: var(--font-body);
}

.page-about__capability-chart img {
  height: 100%;
  min-height: 200px;
}

.page-about .media-frame--wide,
.page-about__capability-chart {
  aspect-ratio: 3 / 2;
  background: #0b2a4a;
}

.page-about__capability-chart img {
  height: 100%;
}

.page-about__capability-list ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.page-about__capability-row {
  display: flex;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: var(--about-panel);
  border: 1px solid var(--about-line-dim);
  transition: border-color var(--trans), transform var(--trans);
}

.page-about__capability-row:hover {
  border-color: var(--color-cyan);
  transform: translateX(4px);
}

.page-about__capability-row-index {
  font-size: 0.7rem;
  color: var(--color-violet);
  font-weight: 500;
  white-space: nowrap;
  padding-top: 0.15rem;
}

.page-about__capability-row h3 {
  font-family: var(--font-title);
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0 0 0.3rem;
  color: var(--color-text);
}

.page-about__capability-row p {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.5;
}

.page-about__certification {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 4.5rem;
  padding: 2.25rem 1.5rem;
  background: rgba(2, 12, 27, 0.5);
  border: 1px solid var(--about-line);
  position: relative;
}

.page-about__certification::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-gold), var(--color-accent), var(--color-cyan));
}

.page-about__certification-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.page-about__certification-item {
  display: flex;
  gap: 1rem;
}

.page-about__certification-badge {
  display: inline-block;
  min-width: 5rem;
  text-align: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-bg);
  background: var(--color-cyan);
  padding: 0.25rem 0.4rem;
  clip-path: var(--clip);
  font-family: var(--font-body);
  letter-spacing: 0.02em;
  height: fit-content;
}

.page-about__certification-item:nth-child(2) .page-about__certification-badge {
  background: var(--color-violet);
}

.page-about__certification-item:nth-child(3) .page-about__certification-badge {
  background: var(--color-green);
}

.page-about__certification-item > div {
  padding-left: 0.75rem;
  border-left: 1px solid var(--about-line-dim);
}

.page-about__certification-label {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  margin: 0 0 0.2rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.page-about__certification-value {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 0.3rem;
  font-family: var(--font-title);
}

.page-about__certification-note {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin: 0;
}

.page-about__certification-right {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.page-about .media-frame--portrait {
  aspect-ratio: 4 / 5;
  background: #0b2a4a;
  width: 100%;
}

.page-about__certification-map {
  aspect-ratio: 2 / 1;
  background: #071a33;
}

.page-about__certification-map img {
  height: 100%;
}

.page-about .page-about__certification-note {
  font-size: 0.8125rem;
  line-height: 1.8;
}

.page-about__lastwords {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.page-about__lastwords-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: #0b2a4a;
}

.page-about__lastwords-image img {
  height: 100%;
}

.page-about__lastwords-copy {
  font-size: 0.9375rem;
}

.page-about__lastwords-copy p {
  margin: 0 0 1rem;
  color: var(--color-text);
}

.page-about__lastwords-copy a {
  color: var(--color-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.3);
  transition: border-color var(--trans), color var(--trans);
}

.page-about__lastwords-copy a:hover {
  color: var(--color-green);
  border-bottom-color: var(--color-green);
}

@media (min-width: 640px) {
  .page-about__intro-code dl {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .page-about__capability-stats {
    gap: 1rem;
  }

  .page-about__stat-item {
    padding: 1.25rem 1rem;
  }

  .page-about__capability-list ul {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .page-about__inner {
    padding-top: 3rem;
  }

  .page-about__intro-grid {
    grid-template-columns: 1.5fr 0.9fr;
    align-items: end;
  }

  .page-about__title {
    font-size: 2.25rem;
  }

  .page-about__brand {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }

  .page-about__brand-left {
    padding-right: 1.5rem;
    border-right: 1px solid var(--about-line-dim);
  }

  .page-about__capability-grid {
    grid-template-columns: 1.1fr 1fr;
    gap: 2.5rem;
  }

  .page-about__certification {
    grid-template-columns: 1fr 1fr;
    padding: 3rem 2.25rem;
    gap: 3rem;
  }

  .page-about__certification-list {
    gap: 1.75rem;
  }

  .page-about__lastwords {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
  }
}

@media (min-width: 1160px) {
  .page-about__intro-grid {
    grid-template-columns: 1.5fr 0.8fr;
  }

  .page-about__title {
    font-size: 2.625rem;
  }

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

  .page-about__timeline-item {
    margin-bottom: 1.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about__timeline-card,
  .page-about__capability-row,
  .page-about__stat-item {
    transition: none;
  }
}

.page-about {
  --color-green: var(--color-bg-deep);
}