:root {
  --lab-navy: #102a43;
  --lab-blue: #1464a5;
  --lab-cyan: #10a6a6;
  --lab-ink: #243b53;
  --lab-muted: #526d82;
  --lab-border: #d9e5ec;
  --lab-soft: #f2f8fb;
}

.masthead {
  border-bottom: 1px solid var(--lab-border);
  box-shadow: 0 2px 12px rgba(16, 42, 67, 0.04);
}

.greedy-nav a,
.site-title {
  color: var(--lab-navy);
}

.page__title,
.page h2,
.page h3 {
  color: var(--lab-navy);
}

.page h2 {
  margin-top: 2.1em;
  padding-bottom: 0.35em;
  border-bottom: 1px solid var(--lab-border);
}

.lab-hero {
  position: relative;
  overflow: hidden;
  margin: 0 0 2.4rem;
  padding: clamp(1.7rem, 5vw, 3.4rem);
  border: 1px solid #cfe3ed;
  border-radius: 18px;
  background:
    radial-gradient(circle at 88% 12%, rgba(16, 166, 166, 0.23), transparent 30%),
    linear-gradient(135deg, #eef8fc 0%, #f8fbfd 55%, #edf8f7 100%);
  box-shadow: 0 14px 34px rgba(16, 42, 67, 0.08);
}

.lab-hero::after {
  content: "";
  position: absolute;
  width: 170px;
  height: 170px;
  right: -75px;
  bottom: -85px;
  border: 28px solid rgba(20, 100, 165, 0.08);
  border-radius: 50%;
}

.lab-kicker {
  margin: 0 0 0.8rem;
  color: var(--lab-blue);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.lab-lead {
  max-width: 760px;
  margin: 0;
  color: var(--lab-ink);
  font-size: clamp(1.1rem, 2.2vw, 1.45rem);
  line-height: 1.55;
}

.lab-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.35rem;
}

.lab-btn {
  display: inline-block;
  padding: 0.62rem 1rem;
  border: 1px solid var(--lab-blue);
  border-radius: 999px;
  color: var(--lab-blue) !important;
  font-size: 0.86rem;
  font-weight: 600;
  text-decoration: none !important;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.lab-btn:hover {
  transform: translateY(-1px);
  background: #f0f7fb;
  box-shadow: 0 6px 15px rgba(20, 100, 165, 0.12);
}

.lab-btn-primary {
  border-color: var(--lab-blue);
  background: var(--lab-blue);
  color: #fff !important;
}

.lab-btn-primary:hover {
  background: #0f568f;
}

.lab-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.1rem 0 2rem;
}

.lab-card {
  min-height: 205px;
  padding: 1.25rem;
  border: 1px solid var(--lab-border);
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(16, 42, 67, 0.05);
}

.lab-card-number {
  display: block;
  margin-bottom: 0.6rem;
  color: var(--lab-cyan);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.lab-card h3 {
  margin: 0 0 0.6rem;
  font-size: 1.02rem;
  line-height: 1.35;
}

.lab-card p {
  margin: 0;
  color: var(--lab-muted);
  font-size: 0.88rem;
  line-height: 1.6;
}

@media (max-width: 900px) {
  .lab-card-grid {
    grid-template-columns: 1fr;
  }

  .lab-card {
    min-height: 0;
  }
}