.page-about {
  position: relative;
  overflow-x: clip;
  background:
    radial-gradient(ellipse at 88% 12%, rgba(255, 107, 0, 0.1) 0%, transparent 54%),
    linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 22%, var(--bg-primary) 100%);
  color: var(--text-primary);
}

.page-about .container {
  max-width: 1180px;
}

.page-about .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 42px;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.page-about .breadcrumb a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.page-about .breadcrumb [aria-current="page"] {
  color: var(--accent);
}

.page-about .section-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  color: var(--data-color);
  font-family: var(--font-data);
  font-size: 0.8125rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.page-about .section-kicker::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--accent);
  flex: 0 0 auto;
}

.page-about .data-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 11px;
  border: 1px solid rgba(0, 212, 255, 0.35);
  border-radius: 4px;
  background: rgba(0, 212, 255, 0.08);
  color: var(--data-color);
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  line-height: 1;
  white-space: nowrap;
}

.page-about .about-card {
  position: relative;
  padding: 28px 24px;
  background:
    linear-gradient(135deg, rgba(255, 107, 0, 0.1) 0%, transparent 34%),
    linear-gradient(160deg, rgba(16, 42, 74, 0.85), rgba(11, 30, 54, 0.8));
  clip-path: polygon(18px 0, calc(100% - 18px) 0, 100% 18px, 100% calc(100% - 18px), calc(100% - 18px) 100%, 18px 100%, 0 calc(100% - 18px), 0 18px);
  transition: transform 0.28s ease;
}

.page-about .about-card:hover {
  transform: translateY(-4px);
}

.page-about .about-section-head {
  max-width: 760px;
  margin-bottom: 38px;
}

.page-about .about-section-head h2 {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: var(--fs-h2);
  line-height: 1.2;
  letter-spacing: 0.01em;
  margin: 0 0 10px;
}

.page-about .about-section-desc {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.8;
}

.page-about .about-hero {
  position: relative;
  padding: 52px 0 88px;
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  right: -110px;
  top: 28px;
  width: 440px;
  height: 440px;
  background: repeating-linear-gradient(-45deg, rgba(255, 107, 0, 0.12) 0 1px, transparent 1px 14px);
  z-index: 1;
  pointer-events: none;
}

.page-about .about-hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-about .about-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
  transform: scale(1.02);
}

.page-about .about-hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, var(--bg-primary) 0%, rgba(8, 22, 38, 0.6) 48%, var(--bg-primary) 100%),
    radial-gradient(ellipse at 76% 22%, rgba(255, 107, 0, 0.16) 0%, transparent 54%);
}

.page-about .about-hero-content {
  position: relative;
  z-index: 2;
}

.page-about .about-hero-content .section-kicker {
  color: var(--accent-light);
}

.page-about .about-hero h1 {
  max-width: 820px;
  margin: 0 0 20px;
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: clamp(2rem, 5.2vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: 0.01em;
}

.page-about .about-highlight {
  color: var(--accent);
}

.page-about .about-hero-lead {
  max-width: 660px;
  margin: 0 0 30px;
  color: var(--text-secondary);
  font-size: 1.0625rem;
  line-height: 1.8;
}

.page-about .about-hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-about .about-hero-chips .data-chip {
  padding: 7px 14px;
  font-size: 0.8125rem;
}

.page-about .about-origin {
  padding: 12px 0 84px;
}

.page-about .about-origin-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 44px;
  align-items: start;
}

.page-about .about-origin-copy p {
  margin: 0 0 18px;
  color: var(--text-secondary);
  font-size: 0.9688rem;
  line-height: 1.9;
}

.page-about .about-origin-copy p strong {
  color: var(--text-primary);
  font-weight: 600;
}

.page-about .about-origin-link {
  display: inline-block;
  margin: 0 4px;
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 107, 0, 0.4);
  padding-bottom: 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-about .about-origin-link:hover {
  color: var(--accent-light);
  border-color: var(--accent-light);
}

.page-about .about-origin-card h3 {
  margin: 18px 0 20px;
  font-family: var(--font-headline);
  font-size: 1.375rem;
  line-height: 1.2;
}

.page-about .about-origin-card .data-chip {
  display: inline-flex;
}

.page-about .about-origin-metric {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin: 0;
  padding: 12px 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.12);
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.page-about .about-origin-metric strong {
  font-family: var(--font-data);
  font-size: 1.375rem;
  color: var(--data-color);
  font-weight: 700;
}

.page-about .about-origin-card .btn-ghost {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 24px;
  width: 100%;
}

.page-about .about-principles {
  padding: 76px 0 88px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  background:
    linear-gradient(180deg, rgba(8, 22, 38, 0.2), rgba(11, 30, 54, 0.8), rgba(8, 22, 38, 0.2)),
    repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.012) 0 2px, transparent 2px 18px);
}

.page-about .principle-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1rem, 2.4vw, 1.75rem);
}

.page-about .principle-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.page-about .principle-num {
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  color: var(--accent);
}

.page-about .principle-card h3 {
  margin: 0;
  font-family: var(--font-headline);
  font-size: 2rem;
  line-height: 1;
}

.page-about .principle-card p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.8;
  flex-grow: 1;
}

.page-about .principle-card p strong {
  color: var(--accent-light);
  font-weight: 600;
}

.page-about .principle-card .data-chip {
  align-self: flex-start;
  margin-top: 6px;
}

.page-about .about-milestones {
  padding: 84px 0 92px;
}

.page-about .milestone-track {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .milestone-track::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent) 0%, var(--data-color) 55%, rgba(0, 212, 255, 0.12) 100%);
}

.page-about .milestone-item {
  position: relative;
  margin: 0 0 34px;
  padding-left: 44px;
}

.page-about .milestone-item:last-child {
  margin-bottom: 0;
}

.page-about .milestone-marker {
  position: absolute;
  left: 0;
  top: 24px;
  width: 12px;
  height: 12px;
  background: var(--accent);
  transform: rotate(45deg);
  box-shadow: 0 0 0 5px rgba(255, 107, 0, 0.16);
}

.page-about .milestone-year {
  margin: 0 0 12px;
  font-family: var(--font-data);
  font-weight: 700;
  font-size: clamp(2.1rem, 4vw, 3rem);
  line-height: 1;
  letter-spacing: -0.01em;
  color: rgba(0, 212, 255, 0.15);
  -webkit-text-stroke: 1.5px rgba(0, 212, 255, 0.9);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.page-about .milestone-item:hover .milestone-year {
  -webkit-text-stroke-color: var(--accent-light);
  transform: translateX(4px);
}

.page-about .milestone-tag {
  display: inline-block;
  margin-bottom: 16px;
  padding: 3px 9px;
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: 2px;
  background: rgba(0, 212, 255, 0.07);
  color: var(--data-color);
  font-family: var(--font-data);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
}

.page-about .milestone-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-headline);
  font-size: 1.375rem;
  line-height: 1.2;
}

.page-about .milestone-card p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.75;
}

.page-about .about-team {
  padding: 80px 0 92px;
  background: linear-gradient(180deg, var(--bg-primary), var(--bg-secondary) 46%, var(--bg-primary));
}

.page-about .about-team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}

.page-about .about-team-media {
  overflow: hidden;
  background: rgba(16, 42, 74, 0.5);
  clip-path: polygon(20px 0, calc(100% - 20px) 0, 100% 20px, 100% calc(100% - 20px), calc(100% - 20px) 100%, 20px 100%, 0 calc(100% - 20px), 0 20px);
}

.page-about .about-team-media img {
  display: block;
  width: 100%;
  height: auto;
  transition: transform 0.4s ease;
}

.page-about .about-team-media:hover img {
  transform: scale(1.03);
}

.page-about .about-team-copy p {
  margin: 0 0 18px;
  color: var(--text-secondary);
  font-size: 0.9688rem;
  line-height: 1.85;
}

.page-about .team-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 28px;
}

.page-about .team-metric {
  padding: 16px 12px 14px;
  background: rgba(255, 255, 255, 0.04);
  border-left: 2px solid var(--accent);
}

.page-about .team-metric strong {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-data);
  font-size: 1.5rem;
  line-height: 1;
  color: var(--data-color);
}

.page-about .team-metric span {
  color: var(--text-muted);
  font-size: 0.8125rem;
}

.page-about .about-honors {
  padding: 84px 0 90px;
}

.page-about .honor-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1rem, 2.4vw, 1.5rem);
}

.page-about .honor-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-about .honor-index {
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--accent);
}

.page-about .honor-card h3 {
  margin: 0;
  font-family: var(--font-headline);
  font-size: 1.375rem;
  line-height: 1.25;
}

.page-about .honor-card p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.75;
}

.page-about .about-honor-media {
  margin-top: 40px;
  overflow: hidden;
  clip-path: polygon(18px 0, calc(100% - 18px) 0, 100% 18px, 100% calc(100% - 18px), calc(100% - 18px) 100%, 18px 100%, 0 calc(100% - 18px), 0 18px);
}

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

.page-about .about-honor-note {
  margin: 28px 0 0;
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.8;
}

.page-about .about-next {
  padding: 72px 0 100px;
  background:
    repeating-linear-gradient(-45deg, rgba(255, 255, 255, 0.016) 0 2px, transparent 2px 16px),
    linear-gradient(180deg, var(--bg-primary), var(--bg-secondary));
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.page-about .about-next-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 44px;
}

.page-about .about-next-card {
  display: block;
  padding: 28px 24px;
  background:
    linear-gradient(135deg, rgba(255, 107, 0, 0.08), transparent 42%),
    rgba(11, 30, 54, 0.78);
  clip-path: polygon(14px 0, calc(100% - 14px) 0, 100% 14px, 100% calc(100% - 14px), calc(100% - 14px) 100%, 14px 100%, 0 calc(100% - 14px), 0 14px);
  text-decoration: none;
  color: var(--text-primary);
  transition: transform 0.25s ease, background 0.25s ease;
}

.page-about .about-next-card:hover {
  transform: translateY(-4px);
  background:
    linear-gradient(135deg, rgba(255, 107, 0, 0.16), transparent 48%),
    rgba(16, 42, 74, 0.92);
}

.page-about .about-next-num {
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--accent);
}

.page-about .about-next-card h3 {
  margin: 12px 0 8px;
  font-family: var(--font-headline);
  font-size: 1.25rem;
}

.page-about .about-next-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.7;
}

@media (prefers-reduced-motion: no-preference) {
  .page-about .milestone-item.reveal[data-visible] .milestone-year {
    animation: about-year-in 0.7s ease;
  }
}

@keyframes about-year-in {
  0% {
    opacity: 0;
    transform: translateY(10px);
  }
  38% {
    opacity: 1;
  }
  58% {
    opacity: 0.35;
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (min-width: 768px) {
  .page-about .principle-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

@media (min-width: 960px) {
  .page-about .about-hero {
    padding: 64px 0 104px;
  }

  .page-about .about-origin-grid {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 64px;
  }

  .page-about .about-team-grid {
    grid-template-columns: 1fr 1fr;
    gap: 64px;
  }

  .page-about .milestone-track::before {
    left: 50%;
    transform: translateX(-1px);
  }

  .page-about .milestone-item {
    width: calc(50% - 44px);
    margin-bottom: 48px;
    padding-left: 0;
  }

  .page-about .milestone-item:nth-child(even) {
    margin-left: calc(50% + 44px);
  }

  .page-about .milestone-marker {
    left: auto;
    right: -50px;
    top: 26px;
  }

  .page-about .milestone-item:nth-child(even) .milestone-marker {
    left: -50px;
    right: auto;
  }
}