.page-about {
  --about-ease-1: 0.2s ease;
  --about-ease-2: 0.3s ease;
  --about-pad: clamp(44px, 6vw, 88px);
  position: relative;
  color: var(--color-paper);
  background-color: var(--color-bg);
  line-height: 1.7;
}

.page-about .breadcrumb {
  padding: 14px 0 0;
  font-size: 13px;
  font-family: var(--font-sans);
  color: var(--color-silver);
}
.page-about .breadcrumb a {
  color: var(--color-gold);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--about-ease-1);
}
.page-about .breadcrumb a:hover {
  border-color: var(--color-gold);
}
.page-about .breadcrumb-sep {
  color: var(--color-gold-dark);
  margin: 0 8px;
}

.page-about .about-intro,
.page-about .about-milestones,
.page-about .about-capabilities,
.page-about .about-ecosystem,
.page-about .about-credentials,
.page-about .about-cta {
  position: relative;
  overflow: hidden;
}

.page-about .about-intro,
.page-about .about-milestones,
.page-about .about-capabilities,
.page-about .about-ecosystem,
.page-about .about-credentials {
  padding: var(--about-pad) 0;
}

.page-about .about-intro {
  background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-card) 60%, var(--color-blue) 130%);
}
.page-about .about-intro::before {
  content: "01";
  position: absolute;
  top: 6%;
  right: -5px;
  font-family: var(--font-serif);
  font-size: clamp(110px, 18vw, 220px);
  font-weight: 900;
  line-height: 1;
  color: rgba(230, 184, 0, 0.05);
  pointer-events: none;
  z-index: 0;
}

.page-about .about-milestones {
  border-top: 1px solid rgba(230, 184, 0, 0.12);
  background: var(--color-bg);
}
.page-about .about-capabilities {
  border-top: 1px solid rgba(230, 184, 0, 0.12);
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-card) 100%);
}
.page-about .about-ecosystem {
  border-top: 1px solid rgba(230, 184, 0, 0.12);
  background: var(--color-bg);
}
.page-about .about-credentials {
  border-top: 1px solid rgba(230, 184, 0, 0.12);
  background: linear-gradient(180deg, var(--color-card) 0%, var(--color-bg) 100%);
}

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

.page-about .section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--color-gold);
  margin: 0 0 10px;
}
.page-about .section-label::before {
  content: "";
  width: 36px;
  height: 2px;
  background: var(--color-gold);
}
.page-about .section-label::after {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--color-red);
  transform: rotate(45deg);
}

.page-about .section-heading {
  position: relative;
  margin-bottom: 34px;
}
.page-about .section-heading::before {
  position: absolute;
  top: -20px;
  right: 0;
  font-family: var(--font-serif);
  font-size: clamp(90px, 14vw, 160px);
  font-weight: 900;
  line-height: 1;
  color: rgba(230, 184, 0, 0.05);
  pointer-events: none;
  z-index: 0;
}
.page-about .about-milestones .section-heading::before {
  content: "02";
}
.page-about .about-capabilities .section-heading::before {
  content: "03";
}
.page-about .about-ecosystem .section-heading::before {
  content: "04";
}
.page-about .about-credentials .section-heading::before {
  content: "05";
}
.page-about .section-heading > * {
  position: relative;
  z-index: 1;
}
.page-about .section-heading h2 {
  font-family: var(--font-serif);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 900;
  line-height: 1.3;
  margin: 0 0 8px;
}
.page-about .section-desc {
  max-width: 640px;
  color: var(--color-silver);
  font-size: 16px;
  margin: 0;
}
.page-about .section-divider {
  width: 64px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-gold), transparent);
  margin-top: 16px;
}

.page-about .about-intro h1 {
  font-family: var(--font-serif);
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 900;
  line-height: 1.25;
  margin: 0 0 6px;
}
.page-about .intro-lead {
  display: block;
  font-family: var(--font-serif);
  font-size: 18px;
  color: var(--color-gold-bright);
  border-left: 3px solid var(--color-gold);
  padding-left: 12px;
  margin: 0 0 20px;
}
.page-about .intro-copy-body {
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-silver);
  margin: 0 0 16px;
}
.page-about .intro-copy-body a,
.page-about .ecosystem-note a,
.page-about .about-cta-inner a {
  color: var(--color-gold);
  text-decoration: none;
  border-bottom: 1px solid var(--color-gold-dark);
  transition: border-color var(--about-ease-1);
}
.page-about .intro-copy-body a:hover,
.page-about .ecosystem-note a:hover,
.page-about .about-cta-inner a:hover {
  border-color: var(--color-gold-bright);
}

.page-about .about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 24px;
}
.page-about .stat-item {
  background: rgba(16, 24, 48, 0.7);
  border: 1px solid rgba(230, 184, 0, 0.18);
  border-radius: 2px;
  padding: 14px 10px;
  text-align: center;
  transition: border-color var(--about-ease-1), background var(--about-ease-1);
}
.page-about .stat-item:hover {
  border-color: var(--color-gold);
  background: var(--color-card);
}
.page-about .stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  color: var(--color-gold);
}
.page-about .stat-label {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  color: var(--color-silver);
}

.page-about .about-intro-media,
.page-about .capability-media,
.page-about .ecosystem-figure {
  position: relative;
  margin: 0;
  border: 1px solid rgba(230, 184, 0, 0.18);
  border-radius: 2px;
  overflow: hidden;
  background: var(--color-card);
}
.page-about .about-intro-media {
  box-shadow: var(--shadow-panel);
}
.page-about .about-intro-media img,
.page-about .capability-media img,
.page-about .ecosystem-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-about .about-media-caption {
  padding: 10px 16px;
  font-size: 13px;
  color: var(--color-silver);
  background: rgba(16, 24, 48, 0.8);
  border-top: 1px solid rgba(230, 184, 0, 0.15);
  letter-spacing: 0.04em;
}

.page-about .milestone-timeline {
  position: relative;
  margin-top: 40px;
  padding: 10px 0 20px;
}
.page-about .timeline-track {
  position: absolute;
  top: 6px;
  bottom: 30px;
  left: 19px;
  width: 2px;
  height: auto;
  display: block;
}
.page-about .milestone-item {
  position: relative;
  margin-bottom: 30px;
  padding-left: 52px;
}
.page-about .milestone-item:last-child {
  margin-bottom: 0;
}
.page-about .timeline-dot {
  position: absolute;
  left: 10px;
  top: 26px;
  width: 18px;
  height: 18px;
  background: var(--color-red);
  transform: rotate(45deg);
  border: 1px solid var(--color-gold-bright);
  box-shadow: 0 0 10px rgba(198, 40, 40, 0.5);
  transition: box-shadow var(--about-ease-2), background var(--about-ease-1);
}
.page-about .timeline-dot::after {
  content: "";
  position: absolute;
  inset: 3px;
  border: 1px solid rgba(249, 231, 159, 0.5);
}
.page-about .milestone-card {
  position: relative;
  z-index: 1;
  background: var(--color-card);
  border: 1px solid rgba(230, 184, 0, 0.22);
  border-left: 3px solid var(--color-gold);
  border-radius: 2px;
  padding: 18px 20px;
  transition: border-color var(--about-ease-1), background var(--about-ease-1), transform var(--about-ease-1);
}
.page-about .milestone-card:hover {
  border-color: var(--color-gold);
  background: rgba(16, 24, 48, 0.85);
  transform: translateY(-2px);
}
.page-about .milestone-item:hover .timeline-dot {
  box-shadow: 0 0 16px rgba(198, 40, 40, 0.8), 0 0 30px rgba(230, 184, 0, 0.4);
  background: var(--color-red-light);
}
.page-about .milestone-year {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--color-gold-bright);
  background: rgba(230, 184, 0, 0.12);
  border: 1px solid rgba(230, 184, 0, 0.25);
  border-radius: 2px;
  padding: 2px 10px;
  margin-bottom: 10px;
}
.page-about .milestone-card h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 900;
  margin: 0 0 8px;
  color: var(--color-paper);
}
.page-about .milestone-card p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-silver);
  margin: 0;
}

.page-about .capability-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.page-about .capability-item {
  background: var(--color-card);
  border: 1px solid rgba(230, 184, 0, 0.15);
  border-radius: 2px;
  padding: 24px 22px;
  text-align: center;
  transition: border-color var(--about-ease-1), transform var(--about-ease-1), background var(--about-ease-1);
}
.page-about .capability-item:hover {
  border-color: var(--color-gold);
  background: rgba(16, 24, 48, 0.9);
  transform: translateY(-2px);
}
.page-about .capability-hex {
  display: grid;
  place-items: center;
  width: 68px;
  height: 68px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--color-gold-bright), var(--color-gold-dark));
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  color: var(--color-bg);
  transition: background var(--about-ease-2), transform var(--about-ease-2);
}
.page-about .capability-item:hover .capability-hex {
  background: linear-gradient(135deg, var(--color-red-light), var(--color-red));
  transform: translateY(-2px) scale(1.05);
}
.page-about .capability-item h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 900;
  margin: 0 0 8px;
  color: var(--color-paper);
}
.page-about .capability-item p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-silver);
  margin: 0;
}
.page-about .capability-media {
  margin-top: 32px;
}

.page-about .about-ecosystem-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: center;
}
.page-about .ecosystem-item {
  position: relative;
  padding: 18px 20px;
  margin-bottom: 16px;
  background: rgba(16, 24, 48, 0.65);
  border-left: 3px solid var(--color-gold-dark);
  border-top: 1px solid rgba(230, 184, 0, 0.12);
  border-bottom: 1px solid rgba(230, 184, 0, 0.12);
  border-right: 1px solid rgba(230, 184, 0, 0.12);
  transition: border-color var(--about-ease-1), background var(--about-ease-1), transform var(--about-ease-1);
}
.page-about .ecosystem-item:hover {
  border-left-color: var(--color-red-light);
  background: var(--color-card);
  transform: translateX(4px);
}
.page-about .ecosystem-item h3 {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 900;
  margin: 0 0 6px;
  color: var(--color-gold-bright);
}
.page-about .ecosystem-item p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-silver);
  margin: 0;
}
.page-about .ecosystem-note {
  font-size: 15px;
  color: var(--color-silver);
  line-height: 1.7;
}
.page-about .ecosystem-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 70% 40%, rgba(230, 184, 0, 0.08), transparent 60%);
  opacity: 0;
  transition: opacity var(--about-ease-2);
  pointer-events: none;
}
.page-about .ecosystem-figure:hover::after {
  opacity: 1;
}

.page-about .credential-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 36px;
}
.page-about .credential-card {
  position: relative;
  background: var(--color-card);
  border: 1px solid rgba(230, 184, 0, 0.18);
  padding: 28px 24px;
  border-radius: 2px;
  overflow: hidden;
  transition: border-color var(--about-ease-1), background var(--about-ease-1), transform var(--about-ease-1);
}
.page-about .credential-card:hover {
  border-color: var(--color-gold);
  background: rgba(16, 24, 48, 0.9);
  transform: translateY(-2px);
}
.page-about .credential-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--color-gold), var(--color-red));
}
.page-about .credential-badge {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  margin-bottom: 14px;
  background: linear-gradient(135deg, var(--color-gold-bright), var(--color-gold));
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
}
.page-about .credential-badge::after {
  content: "✓";
  display: block;
  font-size: 18px;
  font-weight: 700;
  color: var(--color-bg);
}
.page-about .credential-card h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 900;
  margin: 0 0 8px;
  color: var(--color-paper);
}
.page-about .credential-card p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-silver);
  margin: 0;
}

.page-about .about-cta {
  border-top: 1px solid rgba(230, 184, 0, 0.2);
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-card) 100%);
  padding: var(--about-pad) 0;
  text-align: center;
}
.page-about .about-cta-inner {
  position: relative;
}
.page-about .about-cta-inner h2 {
  font-family: var(--font-serif);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 900;
  margin: 0 0 12px;
}
.page-about .about-cta-inner p {
  color: var(--color-silver);
  max-width: 660px;
  margin: 0 auto 28px;
  line-height: 1.7;
}
.page-about .about-cta-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}
.page-about .about-cta-links .btn {
  min-width: 140px;
  padding: 12px 24px;
  font-family: var(--font-sans);
  font-size: 15px;
  letter-spacing: 0.06em;
  text-decoration: none;
  border-radius: 2px;
  transition: all var(--about-ease-2);
}

@media (min-width: 600px) {
  .page-about .about-stats {
    gap: 16px;
  }
  .page-about .capability-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-about .credential-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .page-about {
    --about-pad: clamp(80px, 8vw, 120px);
  }
  .page-about .about-intro-grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 56px;
  }
  .page-about .about-intro::before {
    top: 8%;
  }
  .page-about .timeline-track {
    left: 50%;
    transform: translateX(-50%);
  }
  .page-about .milestone-item {
    width: 50%;
    padding-left: 0;
    padding-right: 64px;
    margin-bottom: 44px;
    text-align: right;
  }
  .page-about .milestone-item.item-right {
    margin-left: 50%;
    padding-left: 64px;
    padding-right: 0;
    text-align: left;
  }
  .page-about .timeline-dot {
    left: auto;
    right: -9px;
  }
  .page-about .milestone-item.item-right .timeline-dot {
    left: -9px;
    right: auto;
  }
  .page-about .milestone-card {
    padding: 22px 28px;
  }
  .page-about .capability-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-about .about-ecosystem-grid {
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
  }
  .page-about .credential-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-about .about-cta-inner {
    max-width: 720px;
  }
}

@media (min-width: 1280px) {
  .page-about .credential-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-about .section-heading::before {
    font-size: 160px;
  }
}