/* ==========================================================================
   Sección: Etapas / Servicios (Stages)
   ========================================================================== */

.stages {
  padding: 5rem 1.5rem;
  background-color: var(--color-bg-dark);
  color: var(--color-text-light);
}

.stages__container {
  max-width: var(--container-max-width);
  /* 1100px */
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Encabezado */
.stages__header {
  text-align: center;
  max-width: 52rem;
  margin-bottom: 4rem;
}

.stages__title {
  font-size: clamp(1.375rem, 1.1rem + 1.5vw, 2rem);
  font-weight: 700;
  color: var(--color-text-white);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
  line-height: 1.3;
}

.stages__subtitle {
  font-size: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
  font-weight: 600;
  color: var(--color-text-soft);
  line-height: 1.5;
}

/* Grilla de Tarjetas */
.stages__grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
  width: 100%;
  margin-bottom: 5rem;
}

/* Componente: Tarjeta */
.stage-card {
  position: relative;
  background-color: var(--color-border-subtle);
  /* Tono ligeramente más claro que el fondo oscuro */
  padding: 2rem;
  border-radius: 0.75rem;
  display: flex;
  flex-direction: column;
  box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
  transition: transform 0.3s ease;
}

.stage-card:hover {
  transform: translateY(-5px);
}

.stage-card__number {
  position: absolute;
  top: 1.5rem;
  left: 1.5rem;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text-white);
}

.stage-card__icon {
  display: flex;
  justify-content: center;
  margin-bottom: 1.5rem;
  margin-top: 1rem;
}

.stage-card__title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-text-white);
  text-align: center;
  margin-bottom: 1rem;
  line-height: 1.4;
}

.stage-card__desc {
  font-size: 0.875rem;
  color: var(--color-text-soft);
  text-align: center;
  margin-bottom: 2rem;
  line-height: 1.6;
  flex-grow: 1;
  /* Permite que la lista baje si las descripciones tienen distinta longitud */
}

/* Lista con tildes */
.stage-card__list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.stage-card__list li {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-soft);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0.5rem;
}

.stage-card__list li::before {
  content: "\2713";
  /* Unicode para tilde (✓) */
  color: var(--color-text-white);
  font-weight: bold;
}

/* Llamado a la Acción (CTA Inferior) */
.stages__cta {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

.stages__cta-title {
  font-size: clamp(1.25rem, 1rem + 1.2vw, 1.5rem);
  font-weight: 700;
  color: var(--color-text-white);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

@media (max-width: 64rem) {

  /* 1024px */
  .stages__grid {
    gap: 1rem;
  }

  .stage-card {
    padding: 2rem 1.25rem;
  }
}

@media (max-width: 48rem) {

  /* 768px */
  .stages {
    padding: 4rem 1.5rem;
  }

  .stages__grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    max-width: 28rem;
  }

  .stage-card__number {
    position: static;
    display: block;
    text-align: center;
    margin-bottom: 0.5rem;
  }

  .stage-card__icon {
    margin-top: 0;
  }
}