/* Layout Utilities and Grid System */

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

@media (min-width: 768px) {
  .container {
    --container-padding: 2rem;
  }
}

@media (min-width: 1024px) {
  .container {
    --container-padding: 3rem;
  }
}

/* Section Spacing */
section {
  padding-top: var(--section-padding-y);
  padding-bottom: var(--section-padding-y);
}

@media (min-width: 768px) {
  section {
    --section-padding-y: 6rem;
  }
}

/* Grid Utilities with Flexbox Fallback */
.grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

@supports (display: grid) {
  .grid {
    display: grid;
    gap: var(--spacing-md);
  }
}

.grid-cols-1 {
  display: flex;
  flex-wrap: wrap;
}

.grid-cols-1 > * {
  flex: 1 1 100%;
}

@supports (display: grid) {
  .grid-cols-1 {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
  }
  
  .grid-cols-1 > * {
    flex: initial;
  }
}

.grid-cols-2 {
  display: flex;
  flex-wrap: wrap;
}

.grid-cols-2 > * {
  flex: 1 1 calc(50% - 1rem);
}

@supports (display: grid) {
  .grid-cols-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-cols-2 > * {
    flex: initial;
  }
}

.grid-cols-3 {
  display: flex;
  flex-wrap: wrap;
}

.grid-cols-3 > * {
  flex: 1 1 calc(33.333% - 1.5rem);
}

@supports (display: grid) {
  .grid-cols-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
  }
  
  .grid-cols-3 > * {
    flex: initial;
  }
}

.grid-cols-4 {
  display: flex;
  flex-wrap: wrap;
}

.grid-cols-4 > * {
  flex: 1 1 calc(25% - 1.5rem);
}

@supports (display: grid) {
  .grid-cols-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
  }
  
  .grid-cols-4 > * {
    flex: initial;
  }
}

/* Responsive Grid with Flexbox Fallback */
.grid-responsive {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.grid-responsive > * {
  flex: 1 1 100%;
}

@supports (display: grid) {
  .grid-responsive {
    display: grid;
    gap: var(--spacing-md);
    grid-template-columns: repeat(1, 1fr);
  }
  
  .grid-responsive > * {
    flex: initial;
  }
}

@media (min-width: 768px) {
  .grid-responsive > * {
    flex: 1 1 calc(50% - 1rem);
  }
  
  @supports (display: grid) {
    .grid-responsive {
      grid-template-columns: repeat(2, 1fr);
    }
    
    .grid-responsive > * {
      flex: initial;
    }
  }
}

@media (min-width: 1024px) {
  .grid-responsive > * {
    flex: 1 1 calc(33.333% - 1.5rem);
  }
  
  @supports (display: grid) {
    .grid-responsive {
      grid-template-columns: repeat(3, 1fr);
    }
    
    .grid-responsive > * {
      flex: initial;
    }
  }
}

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

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

.flex-row {
  flex-direction: row;
}

.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-start {
  justify-content: flex-start;
}

.justify-end {
  justify-content: flex-end;
}

.gap-xs {
  gap: var(--spacing-xs);
}

.gap-sm {
  gap: var(--spacing-sm);
}

.gap-md {
  gap: var(--spacing-md);
}

.gap-lg {
  gap: var(--spacing-lg);
}

/* Spacing Utilities */
.mt-sm {
  margin-top: var(--spacing-sm);
}

.mt-md {
  margin-top: var(--spacing-md);
}

.mt-lg {
  margin-top: var(--spacing-lg);
}

.mb-sm {
  margin-bottom: var(--spacing-sm);
}

.mb-md {
  margin-bottom: var(--spacing-md);
}

.mb-lg {
  margin-bottom: var(--spacing-lg);
}

.pt-sm {
  padding-top: var(--spacing-sm);
}

.pt-md {
  padding-top: var(--spacing-md);
}

.pt-lg {
  padding-top: var(--spacing-lg);
}

.pb-sm {
  padding-bottom: var(--spacing-sm);
}

.pb-md {
  padding-bottom: var(--spacing-md);
}

.pb-lg {
  padding-bottom: var(--spacing-lg);
}

/* Text Alignment */
.text-center {
  text-align: center;
}

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

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

/* Section Title Styling */
.section__title {
  font-size: var(--font-size-h2);
  font-weight: var(--font-weight-bold);
  text-align: center;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-primary);
}