.about-source {
  --about-brand: oklch(48% 0.13 145);
  --about-brand-dark: oklch(38% 0.11 145);
  --about-brand-light: oklch(96% 0.02 145);
  --about-brand-border: oklch(85% 0.05 145 / 0.3);
  --about-text-primary: oklch(18% 0.02 150);
  --about-text-secondary: oklch(42% 0.02 150);
  --about-text-muted: oklch(62% 0.015 150);
  --about-surface: oklch(97% 0.01 150);
  --about-radius: 1.2rem;
  --about-radius-lg: 2rem;
  --about-radius-xl: 3rem;
  --about-shadow-card: 0 8px 32px oklch(0% 0 0 / 0.05);
  --about-shadow-brand: 0 12px 40px oklch(48% 0.13 145 / 0.14);
  overflow-x: hidden;
}

.about-page-hero-source {
  position: relative;
  padding-top: 30px;
  padding-bottom: 3rem;
  background: transparent;
  overflow: hidden;
}

.about-page-hero-source .bg-blobs {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.about-page-hero-source .blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
}

.about-page-hero-source .blob-1 {
  top: -10%;
  right: -5%;
  width: 500px;
  height: 500px;
  background: oklch(38% 0.2 145 / 0.04);
}

.about-page-hero-source .blob-2 {
  bottom: 10%;
  left: -8%;
  width: 400px;
  height: 400px;
  background: oklch(88% 0.12 145 / 0.06);
}

.about-page-hero-source .blob-3 {
  top: 40%;
  left: 40%;
  width: 600px;
  height: 600px;
  background: oklch(38% 0.2 145 / 0.03);
}

.about-source .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.78rem;
  color: var(--about-text-muted);
  margin-bottom: 2rem;
}

.about-source .breadcrumb a { color: var(--about-text-secondary); }
.about-source .breadcrumb span { color: var(--about-brand); font-weight: 600; }
.about-source .breadcrumb svg { opacity: 0.4; }

.about-source .hero-head {
  text-align: center;
  position: relative;
  z-index: 1;
}

.about-source .badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  background: var(--about-brand-light);
  border: 1px solid var(--about-brand-border);
  color: var(--about-brand);
}

.about-source .badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--about-brand);
}

.about-source .hero-title {
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 900;
  color: var(--about-text-primary);
  line-height: 1.1;
  margin: 1rem 0 1.25rem;
  letter-spacing: -0.03em;
}

.about-source .hero-title-grad {
  background: linear-gradient(90deg, var(--about-brand), oklch(32% 0.16 145));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.about-source .hero-sub {
  color: var(--about-text-secondary);
  line-height: 1.7;
  font-size: 1rem;
  max-width: 40rem;
  margin: 0 auto;
}

.about-source-section {
  position: relative;
  padding-block: clamp(3.5rem, 8vw, 6rem);
  background: transparent;
}

.about-source-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, oklch(50% 0.14 145 / 0.3), transparent);
}

.about-source .about__blob { position: absolute; border-radius: 50%; pointer-events: none; filter: blur(80px); }
.about-source .about__blob--tr { top: 0; right: 0; width: 500px; height: 500px; background: oklch(38% 0.2 145 / 0.05); }
.about-source .about__blob--bl { bottom: 0; left: 0; width: 400px; height: 400px; background: oklch(88% 0.12 145 / 0.08); }
.about-source .about__blob--c { top: 50%; left: 50%; transform: translate(-50%, -50%); width: 700px; height: 700px; background: oklch(38% 0.2 145 / 0.03); }

.about-source .about__inner { position: relative; z-index: 1; display: grid; gap: 2rem; }
.about-source .about__two-col { display: grid; gap: 1.5rem; }
@media (min-width: 1024px) { .about-source .about__two-col { grid-template-columns: 1fr 1fr; } }

.about-source .glass-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--about-radius-xl);
  border: 1px solid oklch(90% 0.02 150);
  background: #fff;
  padding: clamp(1.4rem, 3vw, 2.25rem);
  box-shadow: 0 4px 24px oklch(0% 0 0 / 0.06);
}

.about-source .glass-card__blob { position: absolute; border-radius: 50%; pointer-events: none; filter: blur(60px); }
.about-source .glass-card__blob--tr { top: 0; right: 0; width: 220px; height: 220px; background: oklch(38% 0.2 145 / 0.05); }
.about-source .glass-card__blob--bl { bottom: 0; left: 0; width: 180px; height: 180px; background: oklch(88% 0.12 145 / 0.08); }
.about-source .glass-card__inner { position: relative; z-index: 1; }

.about-source .about__card-title {
  font-size: clamp(1.25rem, 2.4vw, 1.6rem);
  font-weight: 800;
  color: var(--about-text-primary);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.about-source .about__card-text { color: var(--about-text-secondary); font-size: 0.9rem; line-height: 1.75; }
.about-source .about__card-text + .about__card-text { margin-top: 0.75rem; }

.about-source .lab-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; margin-block: 1.25rem; }
.about-source .lab-item { border-radius: var(--about-radius); border: 1px solid oklch(90% 0.02 150); background: var(--about-surface); padding: 0.875rem 1rem; }
.about-source .lab-item__name { color: var(--about-text-primary); font-weight: 700; font-size: 0.8rem; margin-bottom: 0.2rem; }
.about-source .lab-item__desc { color: var(--about-text-muted); font-size: 0.72rem; line-height: 1.5; }

.about-source .cert-badges { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 1.25rem; }
.about-source .cert-badge { padding: 0.4rem 1rem; border-radius: 999px; background: var(--about-brand-light); border: 1px solid var(--about-brand-border); color: var(--about-brand); font-size: 0.75rem; font-weight: 700; }

.about-source .mvv-grid { display: grid; gap: 1.25rem; }
@media (min-width: 768px) { .about-source .mvv-grid { grid-template-columns: repeat(3, 1fr); } }

.about-source .mvv-card { border-radius: var(--about-radius-lg); background: #fff; border: 1px solid oklch(90% 0.02 150); padding: 1.5rem; transition: all 0.3s; }
.about-source .mvv-card:hover { border-color: var(--about-brand-border); transform: translateY(-4px); box-shadow: var(--about-shadow-brand); }
.about-source .mvv-card--accent { background: linear-gradient(145deg, var(--about-brand), oklch(30% 0.16 145)); border-color: transparent; }
.about-source .mvv-card--accent:hover { transform: none; box-shadow: none; }
.about-source .mvv-icon { width: 3rem; height: 3rem; border-radius: 0.875rem; display: grid; place-items: center; margin-bottom: 1rem; background: var(--about-brand-light); border: 1px solid var(--about-brand-border); }
.about-source .mvv-card--accent .mvv-icon { background: oklch(100% 0 0 / 0.15); border-color: oklch(100% 0 0 / 0.2); }
.about-source .mvv-icon svg { width: 1.25rem; height: 1.25rem; stroke: var(--about-brand); fill: none; }
.about-source .mvv-card--accent .mvv-icon svg { stroke: oklch(88% 0.12 145); }
.about-source .mvv-title { font-size: 1.1rem; font-weight: 800; margin-bottom: 0.75rem; color: var(--about-text-primary); }
.about-source .mvv-card--accent .mvv-title { color: #fff; }
.about-source .mvv-desc { color: var(--about-text-secondary); font-size: 0.875rem; line-height: 1.7; }
.about-source .mvv-card--accent .mvv-desc { color: oklch(88% 0.03 150); }
.about-source .mvv-list { display: grid; gap: 0.5rem; }
.about-source .mvv-list li { display: flex; align-items: center; gap: 0.625rem; font-size: 0.875rem; color: var(--about-text-secondary); }
.about-source .mvv-list li::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--about-brand); flex-shrink: 0; }

.about-source .about__cap-grid { display: grid; gap: 2rem; }
@media (min-width: 1024px) { .about-source .about__cap-grid { grid-template-columns: 1fr 1fr; } }
.about-source .about__mini-stats { display: flex; flex-wrap: wrap; gap: 2rem; margin-top: 1.5rem; }
.about-source .mini-stat__value { font-size: 2rem; font-weight: 900; color: var(--about-brand); line-height: 1; }
.about-source .mini-stat__label { font-size: 0.72rem; color: var(--about-text-muted); margin-top: 0.2rem; }

.about-source .check-list { display: grid; gap: 0.9rem; }
.about-source .check-item { display: flex; gap: 0.75rem; align-items: flex-start; }
.about-source .check-icon { flex-shrink: 0; width: 1.25rem; height: 1.25rem; border-radius: 50%; background: var(--about-brand-light); border: 1px solid var(--about-brand-border); display: grid; place-items: center; margin-top: 2px; }
.about-source .check-icon svg { width: 0.6rem; height: 0.6rem; stroke: var(--about-brand); fill: none; }
.about-source .check-text { color: var(--about-text-secondary); font-size: 0.875rem; line-height: 1.65; }

.about-source .about__stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
@media (min-width: 640px) { .about-source .about__stats { grid-template-columns: repeat(4, 1fr); } }
.about-source .about__stat { border-radius: var(--about-radius-lg); background: #fff; border: 1px solid oklch(90% 0.02 150); padding: 1.25rem 1rem; text-align: center; transition: all 0.3s; }
.about-source .about__stat:hover { border-color: var(--about-brand-border); transform: translateY(-4px); box-shadow: var(--about-shadow-brand); }
.about-source .about__stat-value { font-size: 2.1rem; font-weight: 900; color: var(--about-brand); margin-bottom: 0.35rem; }
.about-source .about__stat-label { font-size: 0.75rem; color: var(--about-text-muted); font-weight: 500; }

.about-source .about__pillars { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 1.25rem; }
.about-source .pillar-card { border-radius: var(--about-radius-lg); background: #fff; border: 1px solid oklch(90% 0.02 150); padding: 1.5rem; transition: all 0.3s; }
.about-source .pillar-card:hover { border-color: var(--about-brand-border); transform: translateY(-4px); box-shadow: var(--about-shadow-brand); }
.about-source .pillar-icon { width: 3rem; height: 3rem; background: var(--about-brand-light); border: 1px solid var(--about-brand-border); border-radius: 0.875rem; display: grid; place-items: center; margin-bottom: 1rem; }
.about-source .pillar-icon svg { width: 1.1rem; height: 1.1rem; stroke: var(--about-brand); fill: none; }
.about-source .pillar-title { color: var(--about-text-primary); font-weight: 700; font-size: 0.9rem; margin-bottom: 0.6rem; }
.about-source .pillar-desc { color: var(--about-text-muted); font-size: 0.82rem; line-height: 1.6; }

.about-source .about__cta { text-align: center; }
.about-source .link-arrow { display: inline-flex; align-items: center; gap: 0.4rem; color: var(--about-brand); font-weight: 600; font-size: 0.875rem; }
.about-source .link-arrow svg { width: 15px; height: 15px; stroke: currentColor; fill: none; }
.about-source .link-arrow:hover svg { transform: translateX(4px); }

@media (max-width: 768px) {
  .about-source .lab-grid { grid-template-columns: 1fr; }

  .about-page-hero-source .blob-1,
  .about-page-hero-source .blob-2,
  .about-page-hero-source .blob-3,
  .about-source .about__blob {
    transform: scale(0.7);
  }

  .about-page-hero-source .blob-1 {
    width: 18rem;
    height: 18rem;
    top: -6%;
    right: -10%;
  }

  .about-page-hero-source .blob-2 {
    width: 15rem;
    height: 15rem;
    left: -12%;
    bottom: 12%;
  }

  .about-page-hero-source .blob-3 {
    width: 20rem;
    height: 20rem;
    left: 40%;
    top: 36%;
  }

  .about-source .about__blob--tr {
    width: 18rem;
    height: 18rem;
    right: -4rem;
    top: -2rem;
  }

  .about-source .about__blob--bl {
    width: 15rem;
    height: 15rem;
    left: -4rem;
    bottom: -1rem;
  }

  .about-source .about__blob--c {
    width: 22rem;
    height: 22rem;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%) scale(0.9);
  }
}