/* ==========================================================================
   UNIFIED CONCEPTS - LAYOUT & GRID STYLES
   ========================================================================== */

/* Main Containers */
.container {
  width: 100%;
  max-width: var(--content-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-3);
  padding-right: var(--space-3);
}

.container-wide {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-3);
  padding-right: var(--space-3);
}

.container-fluid {
  width: 100%;
  padding-left: var(--space-3);
  padding-right: var(--space-3);
}

/* Section Spacing */
.section {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
  position: relative;
}

.section-alt {
  background-color: var(--bg-alt);
}

.section-dark {
  background-color: var(--bg-dark);
  color: var(--text-inverse);
}

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

.section-header.text-center {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

/* Flexbox Utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.flex-wrap { flex-wrap: wrap; }
.gap-1 { gap: var(--space-1); }
.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); }

/* Grid Systems */
.grid {
  display: grid;
  gap: var(--space-4);
}

.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }

/* 60/40 Split Layout for Form + Content */
.split-60-40 {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-8);
  align-items: start;
  width: 100%;
  max-width: 100%;
  min-width: 0;
}

/* Sticky Parent Container */
.sticky-container {
  position: sticky;
  top: 100px;
  min-width: 0;
  max-width: 100%;
}