/*
   ==========================================================================
   COMPONENTE: Franja de valores (mobile-first)
   ========================================================================== */
.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--border-color-dark);
  border: 1px solid var(--border-color-dark);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.feature-item {
  background-color: var(--color-bg-ink);
  padding: 1.75rem;
  transition: filter 0.22s ease;
}
.feature-item:hover { filter: brightness(1.15); }

.feature-icon {
  width: 2.2rem;
  height: 2.2rem;
  color: var(--color-highlight);
  margin-bottom: 1rem;
  transition: transform 0.22s ease;
}
.feature-item:hover .feature-icon { transform: translateY(-2px); }

.feature-item h3 { font-size: 1.05rem; margin-bottom: 0.5em; }
.feature-item p { font-size: 0.92rem; }

/* --------------------------------------------------------------------------
   Desde tablet / desktop
   -------------------------------------------------------------------------- */
@media (min-width: 640px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 980px) {
  .feature-grid { grid-template-columns: repeat(4, 1fr); }
  .feature-item { padding: 2.25rem 1.75rem; }
  .feature-icon { width: 2.5rem; height: 2.5rem; margin-bottom: 1.25rem; }
}