.rmx-convocatorias-hero {
  padding: 80px 0;
  background: linear-gradient(135deg, #0f172a, #020617);
  color: #fff;
}

.rmx-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}

.rmx-card {
  background: var(--rmx-card, #fff);
  border-radius: 14px;
  padding: 24px;
  box-shadow: 0 10px 30px rgba(0,0,0,.08);
}

.rmx-card h3 {
  margin-top: 0;
}

.rmx-btn {
  display: inline-block;
  margin-top: 14px;
  padding: 10px 18px;
  background: #1d4ed8;
  color: #fff;
  border-radius: 8px;
  text-decoration: none;
}