/* utilities.css — classes utilitárias */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Display */
.u-flex { display: flex; }
.u-grid { display: grid; }
.u-hidden { display: none; }

@media (min-width: 768px) {
  .u-hidden-desktop { display: none; }
}

@media (max-width: 767px) {
  .u-hidden-mobile { display: none; }
}

/* Flex helpers */
.u-items-center { align-items: center; }
.u-justify-center { justify-content: center; }
.u-justify-between { justify-content: space-between; }
.u-flex-col { flex-direction: column; }
.u-gap-xs { gap: var(--space-xs); }
.u-gap-sm { gap: var(--space-sm); }
.u-gap-md { gap: var(--space-md); }

/* Texto */
.u-text-center { text-align: center; }
.u-text-primary { color: var(--color-primary); }
.u-text-light { color: var(--color-text-light); }

/* Espaçamento vertical entre seções */
.u-section-spacing {
  padding-block: var(--space-lg);
}

@media (min-width: 1024px) {
  .u-section-spacing {
    padding-block: var(--space-xl);
  }
}

/* Margens */
.u-mt-sm { margin-top: var(--space-sm); }
.u-mt-md { margin-top: var(--space-md); }
.u-mt-lg { margin-top: var(--space-lg); }
.u-mb-sm { margin-bottom: var(--space-sm); }
.u-mb-md { margin-bottom: var(--space-md); }
.u-mb-lg { margin-bottom: var(--space-lg); }