/* ============================================
   OMNI — Layout System (layout.css)
   Grid, contenedores y responsive
   ============================================ */

/* ─── Contenedor Principal ─── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.container--narrow {
  max-width: 900px;
}

.container--wide {
  max-width: 1440px;
}

/* ─── Sección Base ─── */
.section {
  padding: var(--space-20) 0;
  position: relative;
}

.section--lg {
  padding: var(--space-24) 0;
}

.section--sm {
  padding: var(--space-12) 0;
}

/* ─── Grid System ─── */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* Grid responsivo para productos (marketplace) */
.grid-products {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}

/* ─── Flexbox Utilities ─── */
.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flex-col {
  display: flex;
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

.items-center {
  align-items: center;
}

.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* ─── Responsive Breakpoints ─── */

/* Tablet: ≤ 1024px */
@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(3, 1fr);
  }

  .grid-products {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Tablet small: ≤ 768px */
@media (max-width: 768px) {
  .section {
    padding: var(--space-16) 0;
  }

  .section--lg {
    padding: var(--space-20) 0;
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-products {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Mobile: ≤ 480px */
@media (max-width: 480px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-products {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
  }
}