/* Layout System - Grid, Flexbox, Spacing */

/* Container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }
}

/* Grid system */
.grid {
  display: grid;
  gap: 1rem;
}

.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);
  }
}

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

/* Flexbox utilities */
.flex {
  display: flex;
}

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

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flex-start {
  display: flex;
  align-items: flex-start;
}

.flex-end {
  display: flex;
  align-items: flex-end;
}

/* Spacing utilities */
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }

.m-0 { margin: 0; }
.m-1 { margin: 0.25rem; }
.m-2 { margin: 0.5rem; }
.m-3 { margin: 0.75rem; }
.m-4 { margin: 1rem; }
.m-6 { margin: 1.5rem; }
.m-8 { margin: 2rem; }

.mx-auto { margin-left: auto; margin-right: auto; }

.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }

/* Display utilities */
.block { display: block; }
.inline { display: inline; }
.inline-block { display: inline-block; }
.hidden { display: none; }

@media (max-width: 768px) {
  .hidden-mobile { display: none; }
}

@media (min-width: 769px) {
  .hidden-desktop { display: none; }
}

/* Visibility */
.invisible { visibility: hidden; }
.visible { visibility: visible; }

/* Width & Height */
.w-full { width: 100%; }
.w-1\/2 { width: 50%; }
.w-1\/3 { width: 33.333%; }
.w-1\/4 { width: 25%; }
.w-auto { width: auto; }

.h-full { height: 100%; }
.h-screen { height: 100vh; }
.h-auto { height: auto; }

/* Object fit */
.object-cover { object-fit: cover; }
.object-contain { object-fit: contain; }

/* Overflow */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-x-auto { overflow-x: auto; }
.overflow-y-auto { overflow-y: auto; }

/* Positioning */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

.top-0 { top: 0; }
.right-0 { right: 0; }
.bottom-0 { bottom: 0; }
.left-0 { left: 0; }

/* Z-index */
.z-0 { z-index: 0; }
.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-50 { z-index: 50; }
.z-auto { z-index: auto; }

/* Opacity */
.opacity-0 { opacity: 0; }
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }
.opacity-100 { opacity: 1; }

/* Transform */
.scale-95 { transform: scale(0.95); }
.scale-100 { transform: scale(1); }

.translate-y-0 { transform: translateY(0); }
.translate-y-1 { transform: translateY(0.25rem); }
.translate-y-2 { transform: translateY(0.5rem); }
.translate-y-minus-2 { transform: translateY(-0.5rem); }

/* Transitions */
.transition-all { transition: all var(--transition-base); }
.transition-colors { transition: colors var(--transition-base); }
.transition-transform { transition: transform var(--transition-base); }