.page-about {
  --about-gold: #F2B705;
  --about-red: #E63946;
  --about-deep: #081233;
  --about-line: #2A4A7F;
  --about-surface: #1B3A6B;
  --about-card: #122A5C;
  --about-text: #E5E9F0;
  --about-muted: #A9B4C8;
  background: var(--c-primary);
  color: var(--c-text);
  overflow-x: hidden;
}

.page-about .container {
  max-width: var(--w-container);
  margin: 0 auto;
  padding: 0 1.25rem;
  width: 100%;
  box-sizing: border-box;
}

.page-about .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--f-mono);
  font-size: var(--fs-xs);
  color: var(--about-muted);
  margin-bottom: 1.5rem;
}

.page-about .breadcrumb a {
  color: var(--about-muted);
  text-decoration: none;
  transition: color 0.3s var(--ease);
}

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

.page-about .breadcrumb-sep {
  color: var(--about-line);
}

.page-about .breadcrumb-current {
  color: var(--about-gold);
}

.page-about .section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--f-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--about-gold);
  margin-bottom: 1rem;
}

.page-about .section-label::before {
  content: "";
  display: inline-block;
  width: 28px;
  height: 2px;
  background: linear-gradient(90deg, var(--about-gold), transparent);
  transform: skewX(-20deg);
}

.page-about .about-section-title {
  font-family: var(--f-display);
  font-weight: 900;
  font-size: clamp(1.8rem, 3.8vw, 2.8rem);
  line-height: 1.15;
  color: var(--about-text);
  margin: 0 0 1.25rem;
  letter-spacing: 0.01em;
  max-width: 18ch;
}

.page-about .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--f-body);
  font-size: 0.95rem;
  font-weight: 700;
  padding: 0.8rem 1.8rem;
  border-radius: var(--r-pill);
  text-decoration: none;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), background 0.3s var(--ease);
  border: none;
  cursor: pointer;
}

.page-about .btn-primary {
  background: linear-gradient(135deg, var(--about-gold), #DFA800);
  color: var(--about-deep);
  box-shadow: 0 4px 20px rgba(242, 183, 5, 0.18);
}

.page-about .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(242, 183, 5, 0.3);
}

.page-about .btn-ghost {
  background: transparent;
  color: var(--about-text);
  border: 1px solid var(--about-line);
}

.page-about .btn-ghost:hover {
  border-color: var(--about-gold);
  color: var(--about-gold);
  transform: translateY(-2px);
}

.page-about .about-hero {
  position: relative;
  padding: 7rem 0 3rem;
  background:
    linear-gradient(rgba(10, 31, 68, 0.94), rgba(10, 31, 68, 0.86)),
    repeating-linear-gradient(-45deg, transparent 0 18px, rgba(42, 74, 127, 0.12) 18px 21px);
}

.page-about .about-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

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

.page-about .about-hero-title {
  font-family: var(--f-display);
  font-weight: 900;
  font-size: clamp(2.6rem, 7vw, 4.4rem);
  line-height: 1.05;
  margin: 0.25rem 0 1.5rem;
  color: var(--about-text);
  max-width: 14ch;
  letter-spacing: 0.02em;
}

.page-about .about-hero-lead {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--about-muted);
  max-width: 60ch;
  border-left: 3px solid var(--about-gold);
  padding-left: 1.25rem;
  margin-bottom: 1.25rem;
}

.page-about .about-hero-sub {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--about-muted);
  max-width: 56ch;
  opacity: 0.9;
  margin-bottom: 2rem;
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-about .about-hero-visual {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.page-about .sv {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
}

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

.page-about .about-hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.page-about .hero-stat-item {
  background: rgba(18, 42, 92, 0.85);
  border: 1px solid var(--about-line);
  border-radius: var(--r-lg);
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  backdrop-filter: blur(6px);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-about .hero-stat-item:hover {
  transform: translateY(-3px);
  border-color: rgba(242, 183, 5, 0.5);
}

.page-about .hero-stat-num {
  font-family: var(--f-mono);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--about-gold);
  line-height: 1.2;
}

.page-about .hero-stat-label {
  font-size: 0.8rem;
  color: var(--about-muted);
  letter-spacing: 0.06em;
}

.page-about .about-story {
  position: relative;
  padding: 4.5rem 0 3.5rem;
  background: var(--about-deep);
  overflow: hidden;
}

.page-about .about-story::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -100px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(242, 183, 5, 0.08), transparent 70%);
  pointer-events: none;
}

.page-about .story-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}

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

.page-about .story-paragraph {
  font-size: 0.98rem;
  line-height: 1.85;
  color: var(--about-muted);
  max-width: 58ch;
  margin-bottom: 1.25rem;
}

.page-about .story-quote {
  margin: 1.75rem 0 0;
  padding: 1rem 1.5rem;
  border-left: 4px solid var(--about-gold);
  background: rgba(242, 183, 5, 0.06);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  font-family: var(--f-display);
  font-size: 1.15rem;
  color: var(--about-text);
  max-width: 40ch;
}

.page-about .story-visual {
  margin: 0;
  position: relative;
}

.page-about .story-visual img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-lg);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.3);
  object-fit: cover;
  aspect-ratio: 7 / 5;
}

.page-about .story-visual figcaption {
  margin-top: 0.65rem;
  font-size: 0.75rem;
  color: var(--about-muted);
  letter-spacing: 0.05em;
  text-align: right;
}

.page-about .about-milestones {
  padding: 4.5rem 0 3.5rem;
  background:
    linear-gradient(180deg, var(--c-primary), rgba(8, 18, 51, 0.6)),
    repeating-linear-gradient(0deg, transparent 0 2px, rgba(42, 74, 127, 0.08) 2px 3px);
}

.page-about .milestones-head {
  margin-bottom: 2.5rem;
}

.page-about .milestones-grid {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.page-about .milestones-grid::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 16px;
  width: 3px;
  background: linear-gradient(180deg, var(--about-gold), var(--about-line), var(--about-red));
  border-radius: 2px;
  opacity: 0.6;
}

.page-about .milestone-item {
  position: relative;
  padding-left: 3.25rem;
  border-bottom: 1px solid rgba(42, 74, 127, 0.35);
}

.page-about .milestone-item:last-child {
  border-bottom: none;
}

.page-about .milestone-node {
  list-style: none;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 1.4rem 0;
  cursor: default;
}

.page-about .milestone-node::-webkit-details-marker {
  display: none;
}

.page-about .milestone-year {
  font-family: var(--f-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--about-gold);
  white-space: nowrap;
  min-width: 5.5ch;
}

.page-about .milestone-dot {
  position: absolute;
  left: 9px;
  top: 1.7rem;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--c-primary);
  border: 3px solid var(--about-gold);
  box-shadow: 0 0 0 4px rgba(242, 183, 5, 0.15);
  transition: background 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-about .milestone-item[open] .milestone-dot {
  background: var(--about-gold);
  box-shadow: 0 0 0 6px rgba(242, 183, 5, 0.2);
}

.page-about .milestone-summary {
  font-family: var(--f-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--about-text);
  flex: 1;
  line-height: 1.4;
}

.page-about .milestone-detail {
  padding-bottom: 1.5rem;
}

.page-about .milestone-detail p {
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--about-muted);
  max-width: 65ch;
  margin: 0;
  background: rgba(18, 42, 92, 0.5);
  border-left: 3px solid var(--about-red);
  padding: 0.9rem 1.1rem;
  border-radius: 0 var(--r-md) var(--r-md) 0;
}

.page-about .about-team {
  padding: 4.5rem 0 3.5rem;
  background: var(--about-deep);
  overflow: hidden;
}

.page-about .team-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}

.page-about .team-diagram {
  margin: 0;
  position: relative;
}

.page-about .team-diagram img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-lg);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.page-about .team-diagram figcaption {
  margin-top: 0.65rem;
  font-size: 0.75rem;
  color: var(--about-muted);
  letter-spacing: 0.05em;
}

.page-about .team-copy {
  position: relative;
}

.page-about .team-paragraph {
  font-size: 0.98rem;
  line-height: 1.85;
  color: var(--about-muted);
  max-width: 58ch;
  margin-bottom: 1.75rem;
}

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

.page-about .team-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: rgba(18, 42, 92, 0.6);
  border: 1px solid var(--about-line);
  border-radius: var(--r-md);
  padding: 1rem 1.25rem;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-about .team-item:hover {
  transform: translateX(4px);
  border-color: rgba(242, 183, 5, 0.4);
}

.page-about .team-num {
  font-family: var(--f-mono);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--about-red);
  line-height: 1;
  margin-top: 0.2rem;
}

.page-about .team-item-body h3 {
  font-family: var(--f-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--about-text);
  margin: 0 0 0.35rem;
}

.page-about .team-item-body p {
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--about-muted);
  margin: 0;
}

.page-about .about-awards {
  padding: 4.5rem 0 3.5rem;
  background: var(--c-primary);
}

.page-about .awards-head {
  margin-bottom: 2rem;
}

.page-about .awards-tabs {
  display: flex;
  flex-direction: column;
}

.page-about .awards-radio {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.page-about .awards-tab-labels {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
  border-bottom: 2px solid var(--about-line);
  padding-bottom: 0;
}

.page-about .awards-tab-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  font-family: var(--f-body);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--about-muted);
  border-radius: var(--r-md) var(--r-md) 0 0;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: color 0.3s var(--ease), background 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-about .awards-radio:checked + .awards-tab-labels .awards-tab-label {
  color: var(--about-gold);
  border-bottom-color: var(--about-gold);
  background: rgba(18, 42, 92, 0.4);
}

.page-about .awards-panels {
  position: relative;
}

.page-about .awards-panel {
  display: none;
  grid-template-columns: minmax(180px, 280px) 1fr;
  gap: 1.5rem;
  align-items: center;
  animation: about-fade-in 0.4s var(--ease) both;
}

.page-about .awards-radio#award-tab-security:checked ~ .awards-panels > .awards-panel-security,
.page-about .awards-radio#award-tab-industry:checked ~ .awards-panels > .awards-panel-industry,
.page-about .awards-radio#award-tab-quality:checked ~ .awards-panels > .awards-panel-quality {
  display: grid;
}

.page-about .award-icon {
  margin: 0;
  position: relative;
}

.page-about .award-icon img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-lg);
  object-fit: cover;
  aspect-ratio: 1 / 1;
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.25);
}

.page-about .award-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

.page-about .award-card {
  background: rgba(18, 42, 92, 0.65);
  border: 1px solid var(--about-line);
  border-radius: var(--r-md);
  padding: 1.25rem 1.5rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-about .award-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 4px;
  height: 100%;
  background: var(--about-gold);
  background: linear-gradient(180deg, var(--about-gold), transparent);
}

.page-about .award-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

.page-about .award-card h3 {
  font-family: var(--f-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--about-text);
  margin: 0 0 0.5rem;
  line-height: 1.4;
}

.page-about .award-card p {
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--about-muted);
  margin: 0;
}

.page-about .award-badge {
  display: inline-block;
  font-family: var(--f-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--about-gold);
  background: rgba(242, 183, 5, 0.1);
  border: 1px solid rgba(242, 183, 5, 0.3);
  border-radius: var(--r-pill);
  padding: 0.3rem 0.7rem;
  margin-bottom: 0.6rem;
}

.page-about .about-quality {
  padding: 4.5rem 0 3.5rem;
  background:
    repeating-linear-gradient(-12deg, transparent 0 14px, rgba(42, 74, 127, 0.06) 14px 15px),
    var(--about-deep);
}

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

.page-about .quality-copy {
  position: relative;
}

.page-about .quality-intro {
  font-size: 0.98rem;
  line-height: 1.8;
  color: var(--about-muted);
  max-width: 62ch;
  margin-bottom: 1.75rem;
}

.page-about .quality-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.65rem;
}

.page-about .quality-step {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: rgba(10, 31, 68, 0.7);
  border-left: 3px solid var(--about-gold);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  padding: 0.9rem 1.15rem;
  transition: background 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-about .quality-step:hover {
  background: rgba(18, 42, 92, 0.9);
  transform: translateX(4px);
}

.page-about .quality-step-num {
  font-family: var(--f-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--about-red);
  line-height: 1;
  margin-top: 0.1rem;
  min-width: 2.4ch;
}

.page-about .quality-step-body h3 {
  font-family: var(--f-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--about-text);
  margin: 0 0 0.2rem;
}

.page-about .quality-step-body p {
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--about-muted);
  margin: 0;
}

.page-about .quality-aside {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.page-about .quality-card {
  background: rgba(18, 42, 92, 0.6);
  border: 1px solid var(--about-line);
  border-radius: var(--r-lg);
  padding: 1.25rem 1.5rem;
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-about .quality-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--about-gold), transparent);
}

.page-about .quality-card:hover {
  border-color: rgba(242, 183, 5, 0.35);
  transform: translateY(-2px);
}

.page-about .quality-card-accent {
  background: rgba(242, 183, 5, 0.07);
  border-color: rgba(242, 183, 5, 0.35);
}

.page-about .quality-card-label {
  display: block;
  font-family: var(--f-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--about-gold);
  margin-bottom: 0.4rem;
}

.page-about .quality-card p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--about-text);
  margin: 0;
}

.page-about .about-links {
  padding: 4.5rem 0 4rem;
  background: var(--c-primary);
  position: relative;
  overflow: hidden;
}

.page-about .about-links::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -80px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  border: 3px solid rgba(230, 57, 70, 0.2);
  pointer-events: none;
}

.page-about .links-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}

.page-about .links-copy {
  position: relative;
}

.page-about .links-copy p {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--about-muted);
  max-width: 52ch;
}

.page-about .links-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.65rem;
}

.page-about .links-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 1.35rem;
  background: rgba(18, 42, 92, 0.6);
  border: 1px solid var(--about-line);
  border-radius: var(--r-md);
  color: var(--about-text);
  font-family: var(--f-display);
  font-size: 1.05rem;
  font-weight: 700;
  text-decoration: none;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-about .links-card:hover {
  border-color: var(--about-gold);
  background: rgba(18, 42, 92, 0.95);
  transform: translateY(-2px);
}

.page-about .links-arrow {
  color: var(--about-gold);
  font-size: 1.2rem;
  transition: transform 0.3s var(--ease);
}

.page-about .links-card:hover .links-arrow {
  transform: translateX(4px);
}

@keyframes about-fade-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (min-width: 768px) {
  .page-about .container {
    padding: 0 2rem;
  }

  .page-about .about-hero {
    padding: 8rem 0 4rem;
  }

  .page-about .about-hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3rem;
  }

  .page-about .about-hero-stats {
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
  }

  .page-about .hero-stat-item {
    padding: 0.85rem 1rem;
  }

  .page-about .hero-stat-num {
    font-size: 1.2rem;
  }

  .page-about .milestones-grid::before {
    left: 24px;
  }

  .page-about .milestone-item {
    padding-left: 4rem;
  }

  .page-about .milestone-dot {
    left: 17px;
  }

  .page-about .milestone-year {
    min-width: 7ch;
  }

  .page-about .team-layout {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 2.5rem;
  }

  .page-about .quality-layout {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 2.5rem;
  }

  .page-about .links-inner {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
}

@media (min-width: 1024px) {
  .page-about .about-hero-grid {
    gap: 4rem;
  }

  .page-about .about-hero-title {
    font-size: clamp(3rem, 5vw, 4.4rem);
  }

  .page-about .about-hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.85rem;
  }

  .page-about .hero-stat-num {
    font-size: 1.5rem;
  }

  .page-about .story-layout {
    grid-template-columns: 1fr 0.85fr;
    gap: 3rem;
  }

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

  .page-about .quality-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }

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

@media (max-width: 480px) {
  .page-about .about-hero-title {
    font-size: 2.2rem;
  }

  .page-about .about-hero-stats {
    grid-template-columns: 1fr;
  }

  .page-about .milestone-summary {
    font-size: 1rem;
  }

  .page-about .awards-panel {
    grid-template-columns: 1fr;
  }

  .page-about .quality-step {
    flex-direction: column;
    gap: 0.35rem;
  }

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