/* Layout Primitives & Responsive System */

/* Container with responsive max-widths */
.container {
  width: 100%;
  margin-inline: auto;
  padding-inline: var(--space-lg);
}

@media (min-width: 640px) {
  .container {
    max-width: 640px;
  }
}

@media (min-width: 768px) {
  .container {
    max-width: 768px;
  }
}

@media (min-width: 1024px) {
  .container {
    max-width: 1024px;
  }
}

@media (min-width: 1280px) {
  .container {
    max-width: 1280px;
  }
}

/* Wide container for hero and features */
.container-wide {
  width: 100%;
  margin-inline: auto;
  padding-inline: var(--space-lg);
  max-width: 1280px;
}

/* Grid Utilities */
.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid-cols-1 {
  grid-template-columns: 1fr;
}

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

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

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

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

/* Stack Utility - adds vertical spacing between children */
.stack > * + * {
  margin-block-start: var(--stack-space, var(--space-lg));
}

/* Cluster Utility - horizontal layout with wrapping */
.cluster {
  display: flex;
  flex-wrap: wrap;
  gap: var(--cluster-gap, var(--space-md));
  align-items: center;
}

/* Centering Utilities */
.center {
  text-align: center;
}

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

/* Spacing Utilities */
.mb-xs { margin-bottom: var(--space-xs); }
.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); }
.mb-3xl { margin-bottom: var(--space-3xl); }
.mb-4xl { margin-bottom: var(--space-4xl); }

.mt-xs { margin-top: var(--space-xs); }
.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); }
.mt-4xl { margin-top: var(--space-4xl); }

/* Smooth scroll with reduced motion support */
html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}