:root {
  --color-principal: #1265a6;
  --color-oscuro: #1b1d39;
  --color-gris: #706f6f;
  --color-fondo: #f4f6f8;
  --color-blanco: #ffffff;
  --sombra-suave: 0 4px 12px rgba(0, 0, 0, 0.08);
}

body {
  font-family: 'Urbanist', sans-serif;
  margin: 0;
  padding: 0;
  background-color: var(--color-fondo);
  color: var(--color-gris);
  line-height: 1.6;
}

.contenedor-formacion {
  max-width: 1200px;
  margin: 0 auto;
  padding: 9rem 2rem 3rem;
}

h1 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--color-principal);
  letter-spacing: 0.5px;
}

.intro {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 3rem;
  color: var(--color-oscuro);
  font-size: 1.05rem;
}

.curso-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.curso-card {
  background-color: var(--color-blanco);
  border-radius: 1.5rem;
  box-shadow: var(--sombra-suave);
  padding: 2rem;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  border: 1px solid transparent;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.curso-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
  border-color: var(--color-principal);
}

.curso-card h2 {
  font-size: 1.3rem;
  color: var(--color-oscuro);
  margin-bottom: 0.75rem;
}

.curso-card p {
  font-size: 0.97rem;
  color: var(--color-gris);
  flex-grow: 1;
}

.btn-inscribirse {
  align-self: flex-start;
  margin-top: 1.5rem;
  padding: 0.65rem 1.4rem;
  background: linear-gradient(135deg, var(--color-principal), #0b4875);
  color: #fff;
  border: none;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  box-shadow: 0 3px 8px rgba(18, 101, 166, 0.3);
  transition: all 0.3s ease;
}

.btn-inscribirse:hover {
  background: linear-gradient(135deg, #0b4875, var(--color-principal));
  box-shadow: 0 6px 14px rgba(18, 101, 166, 0.4);
  transform: scale(1.03);
}