.th-header {
  text-align: center;
  padding: 3rem 1.25rem 2.5rem;
  max-width: 1080px;
  margin: 0 auto;
}

.th-header h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.15;
}

.th-subtitle {
  color: var(--text-muted, #94a3b8);
  margin-top: .75rem;
}

.th-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.25rem 5rem;
}

.th-card {
  display: block;
  padding: 1.5rem;
  border: 1px solid var(--border, #1e293b);
  border-radius: 14px;
  text-decoration: none;
  color: inherit;
  transition: border-color .15s, transform .15s;
}

.th-card:hover {
  border-color: var(--accent, #10b981);
  transform: translateY(-2px);
}

.th-icon {
  width: 28px;
  height: 28px;
  color: var(--accent, #10b981);
}

.th-card-title {
  margin: .75rem 0 .35rem;
  font-size: 1.15rem;
}

.th-card-tagline {
  color: var(--text-muted, #94a3b8);
  font-size: .95rem;
  line-height: 1.45;
}