/* ==========================================================================
   Layout — container, grids, section header, footer
   ========================================================================== */

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

@media (min-width: 66rem) {
  .container {
    padding-inline: var(--cds-grid-gutter-lg);
  }
}

.page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.page__main {
  flex: 1;
}

/* Vertical rhythm helper */
.stack > * + * {
  margin-top: var(--stack-gap, var(--cds-spacing-05));
}

/* Carbon-style card group: 1px gaps on a gray background read as grid lines */
.tile-grid {
  display: grid;
  gap: 1px;
  background: var(--cds-border-subtle);
  border: 1px solid var(--cds-border-subtle);
  grid-template-columns: 1fr;
}

@media (min-width: 42rem) {
  .tile-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 66rem) {
  .tile-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 82rem) {
  .tile-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Section header: eyebrow + heading on the left, meta on the right */
.section-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--cds-spacing-03) var(--cds-spacing-05);
  padding-bottom: var(--cds-spacing-05);
  margin-bottom: var(--cds-spacing-05);
  border-bottom: 1px solid var(--cds-border-strong);
}

.section-header__eyebrow {
  display: block;
  margin-bottom: var(--cds-spacing-02);
  color: var(--cds-text-secondary);
}

/* Footer */
.site-footer {
  margin-top: var(--cds-spacing-11);
  padding-block: var(--cds-spacing-06);
  border-top: 1px solid var(--cds-border-subtle);
  color: var(--cds-text-secondary);
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--cds-spacing-03) var(--cds-spacing-06);
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--cds-spacing-05);
}

.site-footer a {
  color: inherit;
}