.hero-cursos {
  background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)),
              url('https://images.unsplash.com/photo-1581093458781-1c54c281e011?auto=format&fit=crop&w=1600&q=80');
  background-size: cover;
  background-position: center;
  color: #fff;
  padding: 6rem 2rem;
  text-align: center;
}

.hero-cursos h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.hero-cursos p {
  font-size: 1.2rem;
  max-width: 700px;
  margin: 0 auto;
}

.cursos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  padding: 4rem 0;
}

.curso-card {
  background-color: #fff;
  border-radius: 1rem;
  box-shadow: 0 5px 15px rgba(0,0,0,0.05);
  padding: 2rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.curso-card h3 {
  margin: 1rem 0;
  font-size: 1.5rem;
  color: #333;
}

.curso-card p {
  color: #555;
  font-size: 1rem;
  margin-bottom: 1.5rem;
}

.icono-curso {
  color: #0077cc;
}

@media (max-width: 768px) {
  .hero-cursos h1 {
    font-size: 2.2rem;
  }

  .hero-cursos p {
    font-size: 1rem;
  }
}