/* ==========================================================
   Silakab — Utility Classes
   ========================================================== */

/* ── Container ── */

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-lg);
}

@media (max-width: 640px) {
  .container {
    padding-inline: var(--space-md);
  }
}

/* ── Sections ── */

.section {
  padding-block: var(--space-5xl);
}

@media (max-width: 1024px) {
  .section {
    padding-block: var(--space-4xl);
  }
}

@media (max-width: 640px) {
  .section {
    padding-block: var(--space-3xl);
  }
}

.section.dark-bg {
  background-color: var(--color-black);
}

.section.light-bg {
  background-color: var(--color-off-white);
}

/* ── Grid ── */

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

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

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

@media (max-width: 640px) {
  .grid {
    gap: var(--grid-gutter-mobile);
  }
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
}

/* ── Flexbox helpers ── */

.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }
.gap-2xl { gap: var(--space-2xl); }

/* ── Spacing ── */

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }
.mt-3xl { margin-top: var(--space-3xl); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }

/* ── Text alignment ── */

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

/* ── 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: 0;
}

.hidden { display: none !important; }

.show-mobile {
  display: none;
}

.hide-mobile {
  display: block;
}

@media (max-width: 640px) {
  .show-mobile { display: block; }
  .hide-mobile { display: none !important; }
}

/* ── Max width limiter ── */

.max-text {
  max-width: var(--max-text-width);
}

.mx-auto {
  margin-inline: auto;
}

/* ── Relative positioning for canvases ── */

.relative { position: relative; }
.overflow-hidden { overflow: hidden; }