.page-about {
  background: var(--navy-950);
  color: var(--cream-50);
  overflow-x: hidden;
}

.page-about__masthead {
  position: relative;
  padding: 36px 0 56px;
  border-bottom: 1px solid rgba(212, 175, 55, 0.12);
}

.page-about__masthead::before {
  content: "";
  position: absolute;
  right: -10%;
  top: 4%;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.14) 0%, transparent 68%);
  pointer-events: none;
}

.page-about__masthead-inner {
  position: relative;
}

.page-about__masthead-grid {
  margin-top: 32px;
}

.page-about__kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--gold-500);
  text-transform: uppercase;
  margin: 0 0 14px;
}

.page-about__title {
  font-family: var(--font-heading);
  font-size: clamp(32px, 8vw, 64px);
  font-weight: 900;
  line-height: 1.08;
  margin: 0 0 16px;
  letter-spacing: -0.01em;
}

.page-about__lead {
  font-size: 15px;
  line-height: 1.78;
  color: var(--slate-400);
  max-width: 720px;
  margin: 0;
}

.page-about__hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 40px 0 0;
}

.page-about__hero-stat {
  background: var(--navy-800);
  border: 1px solid rgba(212, 175, 55, 0.16);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  position: relative;
  overflow: hidden;
}

.page-about__hero-stat::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--gold-500);
}

.page-about__hero-label {
  font-size: 12px;
  color: var(--slate-400);
  line-height: 1.4;
}

.page-about__hero-num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  color: var(--gold-500);
  margin-top: 4px;
}

.page-about__exhibit-nav {
  position: sticky;
  top: var(--topbar-height);
  z-index: 20;
  background: rgba(11, 27, 45, 0.94);
  backdrop-filter: blur(8px);
  border-top: 1px solid rgba(212, 175, 55, 0.14);
  border-bottom: 1px solid rgba(212, 175, 55, 0.14);
}

.page-about__exhibit-nav-inner {
  display: flex;
  gap: 2px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding: 0 16px;
}

.page-about__exhibit-nav-inner::-webkit-scrollbar {
  display: none;
}

.page-about__exhibit-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 13px 14px;
  color: var(--slate-400);
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color 0.24s ease, border-color 0.24s ease;
}

.page-about__exhibit-link span {
  font-family: var(--font-mono);
  color: var(--gold-500);
  font-size: 11px;
}

.page-about__exhibit-link:hover {
  color: var(--cream-50);
  border-bottom-color: var(--gold-500);
}

.page-about__section {
  position: relative;
  padding: 64px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.page-about__section-head {
  margin-bottom: 32px;
}

.page-about__section-no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold-500);
  border-left: 2px solid var(--gold-500);
  padding-left: 10px;
  letter-spacing: 0.1em;
}

.page-about__section-title {
  font-family: var(--font-heading);
  font-size: 30px;
  font-weight: 900;
  margin: 14px 0 6px;
  line-height: 1.2;
}

.page-about__section-hint {
  color: var(--slate-400);
  font-size: 13px;
  margin: 0;
}

.page-about__section-content {
  min-width: 0;
}

.page-about__history {
  overflow: hidden;
}

.page-about__history-bg {
  position: absolute;
  right: -20px;
  top: -10px;
  font-family: var(--font-mono);
  font-size: 140px;
  font-weight: 900;
  line-height: 1;
  color: rgba(212, 175, 55, 0.06);
  pointer-events: none;
  user-select: none;
}

.page-about__history-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}

.page-about__timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-about__timeline::before {
  content: "";
  position: absolute;
  left: 76px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--gold-500) 0%, rgba(212, 175, 55, 0.08) 100%);
}

.page-about__tl-item {
  position: relative;
  padding: 0 0 30px 96px;
}

.page-about__tl-item:last-child {
  padding-bottom: 0;
}

.page-about__tl-marker {
  position: absolute;
  left: 0;
  top: 2px;
  width: 76px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--gold-500);
  text-align: right;
  padding-right: 20px;
  line-height: 1.4;
}

.page-about__tl-marker::after {
  content: "";
  position: absolute;
  right: 3px;
  top: 8px;
  width: 9px;
  height: 9px;
  background: var(--navy-950);
  border: 2px solid var(--gold-500);
  border-radius: 50%;
}

.page-about__tl-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  transition: border-color 0.24s ease, background 0.24s ease;
}

.page-about__tl-card:hover {
  border-color: rgba(212, 175, 55, 0.35);
  background: rgba(16, 42, 67, 0.6);
}

.page-about__tl-type {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--gold-300);
  border: 1px solid rgba(230, 200, 120, 0.3);
  padding: 3px 9px;
  border-radius: 99px;
  margin: 0 0 10px;
}

.page-about__tl-title {
  font-family: var(--font-heading);
  font-size: 17px;
  margin: 0 0 8px;
  color: var(--cream-50);
}

.page-about__tl-desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--slate-400);
}

.page-about__figure {
  margin: 0;
}

.page-about__figure img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  border: 1px solid rgba(212, 175, 55, 0.16);
}

.page-about__figcaption {
  font-size: 12px;
  color: var(--slate-400);
  margin-top: 12px;
  padding-left: 12px;
  border-left: 2px solid var(--gold-500);
  line-height: 1.6;
}

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

.page-about__service-card {
  background: var(--navy-800);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-md);
  padding: 24px 22px;
  position: relative;
  transition: transform 0.24s ease, border-color 0.24s ease;
}

.page-about__service-card:hover {
  transform: translateY(-3px);
  border-color: rgba(212, 175, 55, 0.42);
}

.page-about__service-index {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold-500);
  display: block;
  margin-bottom: 12px;
}

.page-about__service-title {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 10px;
  color: var(--cream-50);
}

.page-about__service-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate-400);
}

.page-about__scale-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.page-about__scale-card {
  background: var(--navy-800);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-md);
  padding: 24px 16px;
  text-align: center;
}

.page-about__scale-card--main {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.18) 0%, transparent 60%), var(--navy-800);
  border: 1px solid rgba(212, 175, 55, 0.34);
}

.page-about__scale-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 38px;
  font-weight: 700;
  color: var(--gold-500);
  line-height: 1.1;
}

.page-about__scale-label {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  color: var(--slate-400);
}

.page-about__scale-visual {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: 36px;
}

.page-about__growth {
  background: rgba(16, 42, 67, 0.5);
  border: 1px solid rgba(212, 175, 55, 0.12);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.page-about__growth-title {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 700;
  color: var(--cream-50);
  margin: 0 0 12px;
}

.page-about__growth-chart {
  width: 100%;
  height: auto;
  display: block;
}

.page-about__growth-caption {
  margin: 12px 0 0;
  font-size: 12px;
  color: var(--slate-400);
  text-align: right;
}

.page-about__indicator-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 28px;
}

.page-about__indicator {
  background: var(--navy-800);
  border-top: 2px solid var(--gold-500);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
}

.page-about__indicator-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--gold-500);
}

.page-about__indicator-desc {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate-400);
}

.page-about__team-lead {
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.8;
  color: var(--cream-50);
  border-left: 3px solid var(--gold-500);
  padding-left: 18px;
  margin: 0 0 32px;
}

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

.page-about__team-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-top: 2px solid var(--gold-500);
  border-radius: var(--radius-md);
  padding: 22px 20px;
}

.page-about__team-code {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--gold-300);
  margin-bottom: 12px;
}

.page-about__team-title {
  font-family: var(--font-heading);
  font-size: 17px;
  margin: 0 0 8px;
  color: var(--cream-50);
}

.page-about__team-desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--slate-400);
}

.page-about__figure--team {
  margin-top: 28px;
}

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

.page-about__honor-card {
  background: var(--cream-50);
  color: var(--ink-900);
  border-radius: var(--radius-md);
  padding: 22px;
}

.page-about__honor-detail summary {
  list-style: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--gold-500);
  color: var(--navy-950);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 99px;
  transition: background 0.24s ease;
}

.page-about__honor-detail summary::-webkit-details-marker {
  display: none;
}

.page-about__honor-detail summary:hover {
  background: var(--gold-300);
}

.page-about__honor-text {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-900);
}

.page-about__honor-note {
  margin: 20px 0 0;
  font-size: 12px;
  color: var(--slate-400);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 16px;
}

.page-about__next-nav {
  background: var(--navy-800);
  border-top: 1px solid rgba(212, 175, 55, 0.16);
  padding: 48px 0 64px;
}

.page-about__next-title {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 900;
  color: var(--gold-500);
  margin: 0 0 18px;
}

.page-about__next-links {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-about__next-link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  color: var(--cream-50);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: border-color 0.24s ease, transform 0.24s ease;
}

.page-about__next-link span {
  font-size: 12px;
  font-weight: 400;
  color: var(--slate-400);
}

.page-about__next-link:hover {
  border-color: var(--gold-500);
  transform: translateX(4px);
}

@media (min-width: 600px) {
  .page-about__hero-stats {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about__services-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-about__scale-grid {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 18px;
  }

  .page-about__scale-card--main {
    grid-column: auto;
  }

  .page-about__scale-visual {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }

  .page-about__indicator-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .page-about__team-grid {
    grid-template-columns: 1fr 1fr;
    gap: 18px;
  }

  .page-about__honor-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }

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

@media (min-width: 960px) {
  .page-about__masthead {
    padding: 72px 0 96px;
  }

  .page-about__masthead-inner {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 56px;
    align-items: end;
  }

  .page-about__masthead-grid {
    margin-top: 40px;
  }

  .page-about__title {
    font-size: 58px;
  }

  .page-about__lead {
    font-size: 16px;
  }

  .page-about__hero-stats {
    margin-top: 0;
    grid-template-columns: 1fr 1fr;
  }

  .page-about__section {
    padding: 96px 0;
  }

  .page-about__section-layout {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-about__section-head {
    position: sticky;
    top: 140px;
    margin-bottom: 0;
  }

  .page-about__section-title {
    font-size: 40px;
  }

  .page-about__history-grid {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
    align-items: start;
  }

  .page-about__section-content {
    min-width: 0;
  }

  .page-about__service-card--wide {
    grid-column: span 2;
  }

  .page-about__scale-visual {
    grid-template-columns: 1.1fr 0.9fr;
  }

  .page-about__team-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-about__figure--team {
    max-width: 640px;
  }

  .page-about__next-nav {
    padding: 56px 0 72px;
  }

  .page-about__next-links {
    grid-template-columns: repeat(5, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    transition: none !important;
    animation: none !important;
  }
}