/* Compra y confianza: ampliación de la identidad existente. */
.purchase-guide { scroll-margin-top: 110px; }
.purchase-guide__intro { max-width: 72ch; }
.purchase-guide__steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 30px;
  list-style: none;
  margin: 30px 0;
  padding: 0;
  counter-reset: purchase;
}
.purchase-guide__steps li { min-width: 0; counter-increment: purchase; border-top: 1px solid var(--border-strong); padding-top: 20px; }
.purchase-guide__steps h3 { margin: 0 0 12px; font-size: 1.25rem; }
.purchase-guide__steps h3::before { content: counter(purchase) '. '; color: var(--accent-strong); }
.purchase-guide__steps p { margin: 0; max-width: 40ch; }
.purchase-guide__actions { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; }
.business-proof__photos { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; margin: 30px 0; }
.business-proof__photos figure { margin: 0; min-width: 0; }
.business-proof__photos img { width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--radius-sm); }
.business-proof__photos figcaption { padding-top: 12px; font-size: .95rem; color: var(--text-body); line-height: 1.5; }
.business-proof__photos strong { display: block; margin-bottom: 4px; color: var(--text-strong); }
.purchase-guide a:focus-visible, .business-proof a:focus-visible { outline: 3px solid var(--accent-strong); outline-offset: 4px; }
.purchase-guide a, .business-proof a { text-underline-offset: .2em; }
@media (max-width: 700px) {
  .purchase-guide__steps, .business-proof__photos { grid-template-columns: 1fr; gap: 24px; }
  .purchase-guide__steps p { max-width: 65ch; }
  .purchase-guide__actions .btn { width: 100%; min-height: 48px; }
}