/* ==========================================================================
   03-layout.css — Container, section, grid utilities
   ========================================================================== */

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

.container--narrow {
  max-width: var(--container-narrow);
}

/* Sections — .pen uses 96px vertical padding */
.section {
  padding-block: var(--space-13);
}

.section--sm {
  padding-block: var(--space-9);
}

.section--lg {
  padding-block: var(--space-12);
}

/* Grid utilities */
.grid {
  display: grid;
  gap: var(--space-7);
}

.grid--2 {
  grid-template-columns: 1fr;
}

.grid--3 {
  grid-template-columns: 1fr;
}

/* Flex utilities */
.flex { display: flex; }
.flex--center { align-items: center; justify-content: center; }
.flex--between { align-items: center; justify-content: space-between; }
.flex--col { flex-direction: column; }
.flex--wrap { flex-wrap: wrap; }
.flex--gap-sm { gap: var(--space-3); }
.flex--gap { gap: var(--space-5); }
.flex--gap-lg { gap: var(--space-7); }

/* Section backgrounds */
.bg--white {
  background-color: var(--color-card-bg);
}

.bg--tint {
  background-color: var(--color-gray-50);
}

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

/* Responsive */
@media (min-width: 768px) {
  .grid--2 {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (min-width: 1024px) {
  .grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }
}