/* ═══════════════════════════════════════════════════════
   STEINKERNEL SYSTEMS — Layout System
   ═══════════════════════════════════════════════════════ */

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

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

.container--wide {
  max-width: 1600px;
}

/* ─── Section Spacing ─── */
.section {
  padding-block: var(--space-section);
  position: relative;
}

/* ─── Section Backgrounds ─── */
.section--white { background-color: var(--white); }
.section--warm  { background-color: var(--surface-warm); }
.section--cream { background-color: var(--surface-warm); }
.section--gray  { background-color: var(--warm-white); }
.section--dark  {
  background-color: var(--charcoal);
  color: var(--white);
}
.section--deep {
  background-color: var(--navy-deep);
  color: var(--white);
}

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

.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--auto-fit {
  grid-template-columns: repeat(auto-fit, minmax(min(320px, 100%), 1fr));
}

/* ─── Flex 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-xs { gap: var(--space-xs); }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

/* ─── Split Layout (text + visual) ─── */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.split--reverse {
  direction: rtl;
}

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

.split--60-40 {
  grid-template-columns: 1.5fr 1fr;
}

.split--40-60 {
  grid-template-columns: 1fr 1.5fr;
}

/* ─── Spacing Utilities ─── */
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

/* ─── Text Alignment ─── */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mx-auto { margin-inline: auto; }

/* ─── Responsive ─── */
@media (max-width: 1024px) {
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; gap: var(--space-xl); }
  .split--60-40,
  .split--40-60 { grid-template-columns: 1fr; }
  .split--reverse { direction: ltr; }
}

@media (max-width: 768px) {
  .grid--2,
  .grid--3,
  .grid--4 { grid-template-columns: 1fr; }
}