/* ============================================
   Layout Styles — CORE
   Responsive layout patterns
   ============================================ */

/* ===== 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);
}

/* ===== Sections ===== */

section {
  width: 100%;
  padding-top: var(--section-spacing);
  padding-bottom: var(--section-spacing);
}

.section-header {
  margin-bottom: var(--space-10);
  text-align: center;
}

.section-title {
  font-size: var(--font-size-h2);
  font-weight: var(--font-weight-bold);
  margin-bottom: 0;
}

/* ===== Grid Utilities ===== */

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

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

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

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

/* Responsive grid */
@media (max-width: 1023px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

/* ===== Flex Utilities ===== */

.flex {
  display: flex;
}

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

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

/* ===== Text Utilities ===== */

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

.text-balance {
  text-wrap: balance;
}

/* ===== Overflow Prevention ===== */

.overflow-hidden {
  overflow: hidden;
}

/* ===== Aspect Ratios ===== */

.aspect-square {
  aspect-ratio: 1 / 1;
}

.aspect-video {
  aspect-ratio: 16 / 9;
}

.aspect-portrait {
  aspect-ratio: 3 / 4;
}

/* ===== Mobile Responsiveness ===== */

@media (max-width: 767px) {
  section {
    padding-top: var(--section-spacing-small);
    padding-bottom: var(--section-spacing-small);
  }
  
  .section-header {
    margin-bottom: var(--space-8);
  }
}