/* ==========================================================================
   Utilities — grids, flex, spacing, alignment, responsive visibility
   Small, composable helpers. Reach for these before writing page CSS.
   ========================================================================== */

/* ---- Responsive grids (auto-collapse on small screens) ---- */
.grid { display: grid; gap: var(--space-8); }
.grid-2 { display: grid; gap: var(--space-8); grid-template-columns: repeat(2, 1fr); }
.grid-3 { display: grid; gap: var(--space-8); grid-template-columns: repeat(3, 1fr); }
.grid-4 { display: grid; gap: var(--space-6); grid-template-columns: repeat(4, 1fr); }

/* Auto-fit variant: cards flow and wrap without media queries */
.grid-auto {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

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

/* ---- Flex helpers ---- */
.flex { display: flex; }
.flex-col { display: flex; flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.flex-1 { flex: 1 1 0%; }

/* ---- Two-column content split (media + text) ---- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: center;
}
.split.is-reversed .split-media { order: 2; }
.split > * { min-width: 0; }
@media (max-width: 768px) {
  .split { grid-template-columns: 1fr; }
  .split.is-reversed .split-media { order: 0; }
}

/* ---- Text alignment ---- */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* ---- Measure (readable line length) ---- */
.measure { max-width: 65ch; }
.mx-auto { margin-inline: auto; }

/* ---- Vertical spacing helpers ---- */
.mt-0 { margin-top: 0; }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }
.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }

/* ---- Display + responsive visibility ---- */
.block { display: block; }
.inline-block { display: inline-block; }
.hidden { display: none; }

.hide-mobile { display: initial; }
.show-mobile { display: none; }
@media (max-width: 768px) {
  .hide-mobile { display: none !important; }
  .show-mobile { display: initial; }
}

/* ---- Width helpers ---- */
.w-full { width: 100%; }

/* Additional margin steps */
.mt-1 { margin-top: var(--space-1); }
.mb-1 { margin-bottom: var(--space-1); }
.mt-5 { margin-top: var(--space-5); }
.mb-5 { margin-bottom: var(--space-5); }
.mt-10 { margin-top: var(--space-10); }
.mb-10 { margin-bottom: var(--space-10); }
.mt-16 { margin-top: var(--space-16); }
.mb-16 { margin-bottom: var(--space-16); }