/* ==========================================================================
   Layout — Container, sections, grids, responsive
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-xl);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

/* Section base — mobile-first: compact on small screens */
.section {
  padding-block: var(--space-8);
}

.section--alt {
  background-color: var(--color-bg-secondary);
}

.section--dark {
  background-color: var(--color-bg-dark);
  color: var(--color-text-inverse);
}

/* Card grid — auto-responsive */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

/* Tablet+ — multi-column cards */
@media (min-width: 640px) {
  .card-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

/* Desktop section spacing */
@media (min-width: 1024px) {
  .section {
    padding-block: var(--space-16);
  }
}