/* =============================================================
   Orion DS — Responsive Utilities
   Mobile-first helpers for layout, visibility, spacing
   ============================================================= */

/* --- Visibility --- */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.hide-mobile {
  display: none;
}

@media (min-width: 768px) {
  .hide-mobile {
    display: revert;
  }

  .hide-desktop {
    display: none;
  }
}

/* --- Flex Utilities --- */

.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.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; }

.stack-mobile {
  flex-direction: column;
}

@media (min-width: 768px) {
  .stack-mobile {
    flex-direction: row;
  }
}

/* --- Grid Utilities --- */

.grid { display: grid; }

.grid-cols-1-2-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-6);
}

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

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

.grid-cols-1-2-4 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-6);
}

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

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

.grid-cols-1-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-6);
}

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

/* --- Gap --- */

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

/* --- Text Alignment --- */

.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

.text-center-mobile {
  text-align: center;
}

@media (min-width: 768px) {
  .text-center-mobile {
    text-align: left;
  }
}

/* --- Order (mobile) --- */

.order-first-mobile {
  order: -1;
}

@media (min-width: 768px) {
  .order-first-mobile {
    order: 0;
  }
}

/* --- Full Bleed (mobile) --- */

.full-bleed-mobile {
  margin-inline: calc(var(--container-padding) * -1);
  width: calc(100% + var(--container-padding) * 2);
}

@media (min-width: 768px) {
  .full-bleed-mobile {
    margin-inline: 0;
    width: 100%;
  }
}

/* --- Spacing Utilities --- */

.mt-2 { margin-top: var(--spacing-2); }
.mt-4 { margin-top: var(--spacing-4); }
.mt-6 { margin-top: var(--spacing-6); }
.mt-8 { margin-top: var(--spacing-8); }
.mt-12 { margin-top: var(--spacing-12); }
.mb-2 { margin-bottom: var(--spacing-2); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mb-6 { margin-bottom: var(--spacing-6); }
.mb-8 { margin-bottom: var(--spacing-8); }
.mb-12 { margin-bottom: var(--spacing-12); }

.p-4 { padding: var(--spacing-4); }
.p-6 { padding: var(--spacing-6); }
.p-8 { padding: var(--spacing-8); }
.px-4 { padding-inline: var(--spacing-4); }
.px-6 { padding-inline: var(--spacing-6); }
.py-4 { padding-block: var(--spacing-4); }
.py-8 { padding-block: var(--spacing-8); }
.py-12 { padding-block: var(--spacing-12); }
.py-16 { padding-block: var(--spacing-16); }

/* --- Width Constraints --- */

.w-full { width: 100%; }
.max-w-sm { max-width: var(--container-sm); }
.max-w-md { max-width: var(--container-md); }
.max-w-lg { max-width: var(--container-lg); }
.max-w-xl { max-width: var(--container-xl); }
.mx-auto { margin-inline: auto; }

/* --- Text Color --- */

.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-accent { color: var(--text-accent); }
.accent { color: var(--text-accent); }

/* --- Aspect Ratios --- */

.aspect-square { aspect-ratio: var(--aspect-square); }
.aspect-video { aspect-ratio: var(--aspect-video); }
.aspect-photo { aspect-ratio: var(--aspect-photo); }
.aspect-cinema { aspect-ratio: var(--aspect-cinema); }
.aspect-portrait { aspect-ratio: var(--aspect-portrait); }
.aspect-story { aspect-ratio: var(--aspect-story); }

/* --- Overflow --- */

.overflow-hidden { overflow: hidden; }
.overflow-x-auto { overflow-x: auto; }

/* --- Position --- */

.relative { position: relative; }
.absolute { position: absolute; }
.sticky { position: sticky; top: 0; z-index: var(--z-sticky); }

/* --- Border Radius --- */

.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-2xl { border-radius: var(--radius-2xl); }
.rounded-full { border-radius: var(--radius-full); }