/**
 * layout.css
 * -----------------------------------------------------------------------------
 * Containers, grids, sections, and macro layout primitives.
 * ----------------------------------------------------------------------------- */

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

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

/* ===== Section ===== */
.section {
  position: relative;
  padding-block: clamp(var(--space-8), 10vw, var(--space-10));
}

.section-sm { padding-block: var(--space-7); }
.section-lg { padding-block: clamp(var(--space-9), 14vw, var(--space-12)); }

.section-header {
  max-width: 720px;
  margin-bottom: var(--space-7);
}
.section-header.center {
  margin-inline: auto;
  text-align: center;
}

/* ===== Grid ===== */
.grid {
  display: grid;
  gap: var(--space-5);
}

.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 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-auto-lg { grid-template-columns: repeat(auto-fit, minmax(360px, 1fr)); }

/* ===== Flex ===== */
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1; }
.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-start { justify-content: flex-start; }
.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-5 { gap: var(--space-5); }
.gap-6 { gap: var(--space-6); }

/* ===== Stack (vertical rhythm) ===== */
.stack > * + * { margin-top: var(--space-4); }
.stack-sm > * + * { margin-top: var(--space-2); }
.stack-lg > * + * { margin-top: var(--space-6); }

/* ===== Sticky/Pinned ===== */
.sticky { position: sticky; top: 0; }
.sticky-navbar { position: sticky; top: 0; z-index: var(--z-navbar); }

/* ===== Cover (full-bleed) ===== */
.cover {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ===== Page wrapper — accounts for fixed navbar ===== */
.page {
  padding-top: var(--navbar-height);
  min-height: 100vh;
  min-height: 100dvh;
}

/* ===== Sidebar (admin) ===== */
.layout-admin {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}
.layout-admin__sidebar {
  background: var(--color-bg-card);
  border-right: 1px solid var(--color-border);
  padding: var(--space-5);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}
.layout-admin__main {
  padding: var(--space-6);
  overflow-y: auto;
}

/* ===== Split (two-column) ===== */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-7);
  align-items: center;
}

/* ===== Page hero (interior pages) ===== */
.page-hero {
  padding-block: clamp(var(--space-7), 10vw, var(--space-9));
  text-align: center;
}
.page-hero .eyebrow { justify-content: center; }

/* ===== Spacer utilities ===== */
.spacer-2 { height: var(--space-2); }
.spacer-4 { height: var(--space-4); }
.spacer-6 { height: var(--space-6); }
.spacer-8 { height: var(--space-8); }
.spacer-12 { height: var(--space-12); }