/* ============================================
   LAYOUT - Grid, Containers, Spacing
   ============================================ */

/* ── Container ── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.container-wide {
  max-width: var(--container-wide);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.container-narrow {
  max-width: 768px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

/* ── Section Spacing ── */
.section {
  padding-top: var(--space-20);
  padding-bottom: var(--space-20);
}

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

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

/* ── Grid System ── */
.grid {
  display: grid;
  gap: var(--space-8);
}

.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-6 {
  grid-template-columns: repeat(6, 1fr);
}

/* Grid with smaller gaps */
.grid-gap-sm {
  gap: var(--space-4);
}

.grid-gap-md {
  gap: var(--space-6);
}

.grid-gap-lg {
  gap: var(--space-10);
}

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

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

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

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

.items-start {
  align-items: flex-start;
}

.items-end {
  align-items: flex-end;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.justify-end {
  justify-content: flex-end;
}

.gap-1 { gap: var(--space-1); }
.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); }

/* ── Two Column Layout ── */
.layout-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.layout-split--reverse {
  direction: rtl;
}

.layout-split--reverse > * {
  direction: ltr;
}

/* ── Sidebar Layout ── */
.layout-sidebar {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--space-10);
  align-items: start;
}

/* ── Background Variants ── */
.bg-white { background-color: var(--bg-primary); }
.bg-light { background-color: var(--bg-secondary); }
.bg-tertiary { background-color: var(--bg-tertiary); }
.bg-dark { background-color: var(--bg-dark); color: var(--text-inverse); }
.bg-darker { background-color: var(--bg-darker); color: var(--text-inverse); }
.bg-primary-light { background-color: var(--color-primary-light); }
.bg-accent-light { background-color: var(--color-accent-light); }

.bg-dark h1,
.bg-dark h2,
.bg-dark h3,
.bg-dark h4,
.bg-dark h5,
.bg-dark h6,
.bg-darker h1,
.bg-darker h2,
.bg-darker h3,
.bg-darker h4,
.bg-darker h5,
.bg-darker h6 {
  color: var(--text-inverse);
}

.bg-dark p,
.bg-darker p {
  color: var(--color-gray-400);
}

.bg-dark .section-label,
.bg-darker .section-label {
  color: var(--color-primary);
}

/* ── Width Utilities ── */
.w-full { width: 100%; }
.max-w-sm { max-width: 480px; }
.max-w-md { max-width: 640px; }
.max-w-lg { max-width: 768px; }
.max-w-xl { max-width: 960px; }

/* ── Margin Utilities ── */
.mx-auto { margin-left: auto; margin-right: auto; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }

/* ── Aspect Ratios ── */
.aspect-video { aspect-ratio: 16 / 9; }
.aspect-square { aspect-ratio: 1; }
.aspect-hero { aspect-ratio: 21 / 9; }

/* ── Overflow ── */
.overflow-hidden { overflow: hidden; }