/* ============================================
   Layout — Containers, Grid, Utilities
   ============================================ */

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}
@media (min-width: 768px) {
  .container { padding: 0 2.5rem; }
}
@media (min-width: 1024px) {
  .container { padding: 0; }
}

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

/* ---- Grid ---- */
.grid { display: grid; gap: 1.5rem; }
.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
.grid-4 { grid-template-columns: 1fr; }

@media (min-width: 768px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* ---- Flex ---- */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-center { align-items: center; justify-content: center; }
.flex-between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.gap-2 { gap: 0.5rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.gap-12 { gap: 3rem; }

/* ---- Section Spacing ---- */
.section {
  padding: 3.75rem 0;
}
@media (min-width: 768px) {
  .section { padding: 2.5rem 0; }
}
@media (min-width: 1024px) {
  .section { padding: 6rem 0; }
}

.section-lg { padding: 3.75rem 0; }
@media (min-width: 1024px) {
  .section-lg { padding: 6.25rem 0; }
}

/* ---- Visibility ---- */
.hide-mobile { display: none; }
@media (min-width: 768px) { .hide-mobile { display: block; } }
@media (min-width: 768px) { .hide-tablet { display: none; } }
@media (min-width: 1024px) { .hide-tablet { display: block; } }
.show-mobile { display: block; }
@media (min-width: 1024px) { .show-mobile { display: none; } }