/* ===========================================
   Layout – Trusted Blue Palette Ready
   =========================================== */
.container {
  width: 100%;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.container-sm { max-width: var(--container-sm); }
.container-md { max-width: var(--container-md); }
.container-lg { max-width: var(--container-lg); }
.container-2xl { max-width: var(--container-2xl); }

.section {
  padding: var(--space-16) 0;
}

.section-sm { padding: var(--space-12) 0; }
.section-lg { padding: var(--space-24) 0; }

/* Branded alternating backgrounds */
.section:nth-child(even) {
  background: var(--color-bg);           /* #F8FAFC – light cool gray */
}
.section:nth-child(odd) {
  background: var(--color-card);         /* #FFFFFF – crisp white */
}

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

.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)); }

.flex {
  display: flex;
}

.flex-col { flex-direction: column; }
.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-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

.stack > * + * {
  margin-top: var(--space-4);
}

.stack-sm > * + * { margin-top: var(--space-2); }
.stack-lg > * + * { margin-top: var(--space-6); }

.main-content {
  min-height: calc(100vh - var(--header-height));
  padding-top: var(--header-height);
}