/* Mobile-first: base = mobile, @min-width = tablet/desktop */

/* ============================================================
   TABLET (min-width: 640px)
   ============================================================ */
@media (min-width: 640px) {
  .options-grid { grid-template-columns: 1fr 1fr; }
  .dores-grid { grid-template-columns: 1fr 1fr; }
  .benef-grid { grid-template-columns: 1fr 1fr; }
  .depo-grid { grid-template-columns: 1fr 1fr; }
  .thanks__share-btns { justify-content: center; }
  .footer__top { flex-direction: row; justify-content: space-between; align-items: flex-start; }
}

/* ============================================================
   DESKTOP (min-width: 1024px)
   ============================================================ */
@media (min-width: 1024px) {
  .benef-grid { grid-template-columns: repeat(3, 1fr); }
  .depo-grid { grid-template-columns: repeat(3, 1fr); }
  .autor-grid { grid-template-columns: 1fr 1fr; gap: 5rem; }
  .flow-steps {
    flex-direction: row;
    align-items: stretch;
  }
  .flow-arrow { transform: rotate(-90deg); padding: 0 0.5rem; align-self: center; }
  .flow-step { flex: 1; }
  .options-grid { grid-template-columns: 1fr 1fr; }

  /* Hero back button não conflita com nav */
  .btn-back { top: 1.5rem; }
}

/* ============================================================
   FOCUS ACCESSIBILITY
   ============================================================ */
:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 3px;
}
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 3px;
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}