/* ===================================
   LAYOUT UTILITIES
   ================================== */

/* === BASE LAYOUT === */
body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  color: var(--color-gray-800);
  background: var(--color-white);
  line-height: var(--leading-normal);
}

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

@media (min-width: 640px) {
  .container {
    max-width: var(--max-width-sm);
    padding-left: var(--container-padding-md);
    padding-right: var(--container-padding-md);
  }
}

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

@media (min-width: 1024px) {
  .container {
    max-width: var(--max-width-lg);
    padding-left: var(--container-padding-lg);
    padding-right: var(--container-padding-lg);
  }
}

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

@media (min-width: 1536px) {
  .container {
    max-width: var(--max-width-2xl);
  }
}

/* Wide container for hero sections */
.container-wide {
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

/* === SECTIONS === */
section {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.section-padding {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

@media (min-width: 768px) {
  .section-padding {
    padding-top: var(--space-20);
    padding-bottom: var(--space-20);
  }
}

@media (min-width: 1024px) {
  .section-padding {
    padding-top: var(--space-24);
    padding-bottom: var(--space-24);
  }
}

/* === GRID SYSTEM === */
.grid {
  display: grid;
  gap: var(--space-4);
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 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); }
  .md\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
  .grid { gap: var(--space-6); }
}

@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); }
  .grid { gap: var(--space-8); }
}

/* === FLEXBOX === */
.flex {
  display: flex;
}

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

.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;
}

.flex-wrap {
  flex-wrap: wrap;
}

.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }
.gap-12 { gap: var(--space-12); }

/* === SPACING UTILITIES === */
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }
.mt-16 { margin-top: var(--space-16); }

.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }
.mb-16 { margin-bottom: var(--space-16); }

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

/* === TEXT UTILITIES === */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-white { color: var(--color-white); }
.text-gray-600 { color: var(--color-gray-600); }
.text-gray-700 { color: var(--color-gray-700); }
.text-gray-800 { color: var(--color-gray-800); }
.text-primary { color: var(--color-primary); }

/* === VISIBILITY === */
.hidden {
  display: none !important;
}

@media (min-width: 768px) {
  .md\:block { display: block !important; }
  .md\:flex { display: flex !important; }
  .md\:hidden { display: none !important; }
}

@media (min-width: 1024px) {
  .lg\:block { display: block !important; }
  .lg\:flex { display: flex !important; }
  .lg\:hidden { display: none !important; }
}

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

/* === OVERFLOW === */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }