/* ============================================
   Layout — Containers, Grid, Sections
   ============================================ */

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container-wide {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ── Section Wrapper ── */
.section {
  padding: var(--space-4xl) 0;
}

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

.section-dark {
  background: var(--color-dark);
  color: var(--color-white);
}

/* ── Grid Layouts ── */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

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

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.grid-5 {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-lg);
}

/* ── Flex 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-wrap {
  flex-wrap: wrap;
}

.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

/* ── Page Content Offset for Fixed Nav ── */
.page-content {
  padding-top: var(--nav-height);
}