.page-about {
  --about-grad-navy: linear-gradient(135deg, #0d1830 0%, #1B2A4A 55%, #2c3e66 100%);
  --about-grad-red: linear-gradient(135deg, #D32F2F 0%, #8B0000 100%);
  --about-gold-soft: rgba(212, 175, 55, .18);
  --about-card-border: rgba(212, 175, 55, .45);
  --about-ink-soft: #3d3a34;
  background: var(--color-paper);
  color: var(--color-ink);
  overflow-x: hidden;
}

.page-about .breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 22px;
  padding-bottom: 4px;
  font-size: 13px;
  color: #6b6b6b;
}

.page-about .breadcrumb a {
  color: var(--color-primary-deep);
  text-decoration: none;
  font-weight: 700;
}

.page-about .breadcrumb a:hover,
.page-about .breadcrumb a:focus {
  color: var(--color-primary);
  text-decoration: underline;
}

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

.page-about .about-hero {
  position: relative;
  background: var(--about-grad-navy);
  color: #fff;
  padding: 52px 0 60px;
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  left: -60px;
  top: 24%;
  width: 210px;
  height: 210px;
  border-radius: 50%;
  border: 32px solid rgba(212, 175, 55, .10);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -70px;
  width: 240px;
  height: 240px;
  border-radius: 36px;
  background: rgba(211, 47, 47, .16);
  transform: rotate(18deg);
}

.page-about .about-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

.page-about .about-hero-copy h1 {
  margin: 16px 0 18px;
  font-family: var(--font-head);
  font-size: clamp(28px, 5vw, 56px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: #fff;
}

.page-about .about-hero .section-label {
  color: var(--color-gold);
}

.page-about .about-hero-lead {
  font-size: 16px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .78);
  max-width: 560px;
  margin: 0 0 28px;
}

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

.page-about .about-hero .stat-chip {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 104px;
  padding: 13px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--about-card-border);
  background: rgba(255, 255, 255, .08);
}

.page-about .about-hero .stat-label {
  font-size: 12px;
  color: rgba(255, 255, 255, .66);
}

.page-about .about-hero .stat-num {
  font-family: var(--font-head);
  font-size: 26px;
  font-weight: 900;
  color: var(--color-gold);
  line-height: 1;
}

.page-about .about-hero-figure {
  margin: 0;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(212, 175, 55, .35);
  box-shadow: var(--shadow-deep);
  transform: rotate(1.2deg);
}

.page-about .about-hero-figure::after {
  content: "";
  position: absolute;
  left: 18px;
  top: 18px;
  width: 54px;
  height: 54px;
  border-top: 2px solid var(--color-gold);
  border-left: 2px solid var(--color-gold);
  border-radius: 14px 0 0 0;
}

.page-about .about-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .about-who {
  padding-top: 64px;
  padding-bottom: 56px;
}

.page-about .about-who-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: start;
}

.page-about .about-who-copy p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--about-ink-soft);
  margin-bottom: 16px;
}

.page-about .about-who-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

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

.page-about .about-who .data-card {
  position: relative;
  overflow: hidden;
  background: var(--color-white);
  border: 1px solid var(--color-gray);
  border-radius: var(--radius-md);
  padding: 22px 22px 22px 28px;
  box-shadow: var(--shadow-soft);
}

.page-about .about-who .data-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--about-grad-red);
}

.page-about .about-who .data-card::after {
  content: "";
  position: absolute;
  right: -26px;
  top: -26px;
  width: 64px;
  height: 64px;
  border-radius: 20px;
  background: var(--about-gold-soft);
  transform: rotate(20deg);
}

.page-about .data-card-label {
  display: block;
  font-size: 13px;
  color: #6c6c66;
  margin-bottom: 6px;
}

.page-about .data-card-value {
  display: block;
  font-family: var(--font-head);
  font-size: 32px;
  font-weight: 900;
  color: var(--color-primary-deep);
  line-height: 1.08;
}

.page-about .data-card-note {
  font-size: 13px;
  color: #7a7a72;
  margin: 9px 0 0;
}

.page-about .about-milestones {
  background: var(--about-grad-navy);
  color: #e9e6df;
  padding-top: 64px;
  padding-bottom: 72px;
}

.page-about .about-milestones .section-label {
  color: var(--color-gold);
}

.page-about .about-milestones h2 {
  color: #fff;
}

.page-about .about-milestones .section-lead {
  color: rgba(255, 255, 255, .72);
}

.page-about .timeline {
  position: relative;
  list-style: none;
  margin: 44px 0 0;
  padding: 0;
}

.page-about .timeline::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(to bottom, rgba(212, 175, 55, .9), rgba(212, 175, 55, .12));
  border-radius: 2px;
}

.page-about .timeline-item {
  position: relative;
  margin-bottom: 28px;
  padding-left: 44px;
}

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

.page-about .timeline-rail {
  position: absolute;
  left: 0;
  top: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  color: var(--color-gold);
  filter: drop-shadow(0 0 6px rgba(212, 175, 55, .35));
}

.page-about .timeline-details {
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-base), background var(--transition-base), translate var(--transition-base), rotate var(--transition-base);
}

.page-about .timeline-details:hover,
.page-about .timeline-details:focus-within {
  border-color: rgba(212, 175, 55, .45);
  background: rgba(255, 255, 255, .09);
  translate: 2px 0;
  rotate: -0.4deg;
}

.page-about .timeline-details summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
}

.page-about .timeline-details summary::-webkit-details-marker {
  display: none;
}

.page-about .timeline-year {
  font-family: var(--font-head);
  font-size: 30px;
  font-weight: 900;
  color: var(--color-gold);
  line-height: 1;
  min-width: 62px;
}

.page-about .timeline-summary-main {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  flex: 1;
  min-width: 160px;
}

.page-about .timeline-summary-title {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 800;
  color: #fff;
}

.page-about .timeline-summary-note {
  font-size: 12px;
  color: rgba(255, 255, 255, .45);
  white-space: nowrap;
}

.page-about .timeline-detail-body {
  padding: 14px 20px 20px;
  border-top: 1px dashed rgba(255, 255, 255, .14);
}

.page-about .timeline-detail-body h3 {
  font-size: 14px;
  font-weight: 900;
  color: var(--color-gold);
  margin: 0 0 8px;
}

.page-about .timeline-detail-body p {
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255, 255, 255, .74);
  margin: 0;
}

.page-about .about-tech {
  padding-top: 64px;
  padding-bottom: 64px;
}

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

.page-about .tech-steps {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 22px;
}

.page-about .tech-step {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  align-items: start;
}

.page-about .tech-step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 900;
  color: var(--color-gold);
  background: var(--color-navy);
  border: 1px solid rgba(212, 175, 55, .4);
  box-shadow: 0 6px 16px rgba(27, 42, 74, .18);
}

.page-about .tech-step-body h3 {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 900;
  color: var(--color-ink);
  margin: 0 0 6px;
}

.page-about .tech-step-body p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--about-ink-soft);
  margin: 0;
}

.page-about .about-tech-figure,
.page-about .about-team-figure {
  margin: 0;
}

.page-about .about-tech-figure img,
.page-about .about-team-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.page-about .about-tech-figure {
  position: relative;
}

.page-about .about-tech-figure::before {
  content: "";
  position: absolute;
  left: -14px;
  bottom: -14px;
  width: 120px;
  height: 120px;
  background: linear-gradient(135deg, rgba(212, 175, 55, .3), transparent 70%);
  border-radius: 28px;
  z-index: -1;
}

.page-about .about-team {
  padding-top: 60px;
  padding-bottom: 60px;
}

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

.page-about .about-team-copy p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--about-ink-soft);
  margin: 0 0 16px;
}

.page-about .team-list {
  list-style: none;
  margin: 18px 0 22px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .team-list li {
  position: relative;
  padding: 14px 16px 14px 22px;
  border-left: 4px solid var(--color-primary);
  background: var(--color-white);
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(26, 18, 18, .06);
  font-size: 14px;
  color: #383530;
  line-height: 1.65;
}

.page-about .team-list li strong {
  font-family: var(--font-head);
  font-weight: 900;
  color: var(--color-primary-deep);
  margin-right: 6px;
}

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

.page-about .about-team-figure::after {
  content: "";
  position: absolute;
  right: -10px;
  top: -10px;
  width: 80px;
  height: 80px;
  background: var(--about-gold-soft);
  border-radius: 24px;
  transform: rotate(12deg);
  z-index: -1;
}

.page-about .about-credentials {
  padding-top: 64px;
  padding-bottom: 72px;
}

.page-about .credentials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 36px;
}

.page-about .credential-card {
  position: relative;
  overflow: hidden;
  padding: 26px 22px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-gray);
  box-shadow: var(--shadow-soft);
}

.page-about .credential-card::after {
  content: "";
  position: absolute;
  right: -22px;
  bottom: -22px;
  width: 72px;
  height: 72px;
  border-radius: 22px;
  background: var(--about-gold-soft);
  transform: rotate(24deg);
}

.page-about .credential-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 13px;
  color: var(--color-gold);
  background: var(--color-navy);
  margin-bottom: 16px;
  box-shadow: 0 6px 14px rgba(27, 42, 74, .2);
}

.page-about .credential-card h3 {
  position: relative;
  z-index: 1;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 900;
  color: var(--color-ink);
  margin: 0 0 8px;
}

.page-about .credential-card p {
  position: relative;
  z-index: 1;
  font-size: 14px;
  line-height: 1.7;
  color: var(--about-ink-soft);
  margin: 0;
}

.page-about .credential-note {
  margin: 32px 0 0;
  padding: 20px 22px;
  border-left: 4px solid var(--color-gold);
  background: var(--color-gray);
  border-radius: 0 12px 12px 0;
  font-size: 14px;
  line-height: 1.75;
  color: #55504a;
}

.page-about .credential-action {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

@media (min-width: 768px) {
  .page-about .about-hero {
    padding: 64px 0 76px;
  }

  .page-about .about-hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(280px, .95fr);
    gap: 44px;
  }

  .page-about .about-hero-figure {
    margin-right: 6px;
  }

  .page-about .about-who-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(260px, .9fr);
    gap: 48px;
  }

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

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

  .page-about .timeline-item {
    width: 50%;
    padding-left: 0;
    padding-right: 40px;
    margin-bottom: 34px;
  }

  .page-about .timeline-item .timeline-rail {
    left: auto;
    right: -14px;
  }

  .page-about .timeline-item:nth-child(even) {
    margin-left: 50%;
    padding-right: 0;
    padding-left: 40px;
  }

  .page-about .timeline-item:nth-child(even) .timeline-rail {
    left: -14px;
    right: auto;
  }

  .page-about .about-tech-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(280px, .9fr);
    gap: 48px;
  }

  .page-about .about-team-grid {
    grid-template-columns: minmax(260px, .85fr) minmax(0, 1.15fr);
    gap: 48px;
  }

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

@media (min-width: 1024px) {
  .page-about .about-hero {
    padding: 84px 0 100px;
  }

  .page-about .about-hero-grid {
    gap: 72px;
  }

  .page-about .about-hero-copy h1 {
    font-size: 54px;
  }

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

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

  .page-about .tech-step-body p {
    font-size: 15px;
  }
}