/* Layout & Grid Utilities */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container-narrow {
  max-width: 800px;
}

.section {
  padding: var(--space-16) 0;
  position: relative;
}

.section-lg {
  padding: var(--space-24) 0;
}

.section-sm {
  padding: var(--space-10) 0;
}

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

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

.bg-dark {
  background-color: #0B081C;
  color: #FFFFFF;
}

.bg-dark h1, .bg-dark h2, .bg-dark h3, .bg-dark h4 {
  color: #FFFFFF;
}

.bg-dark p {
  color: #9CA3AF;
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--space-8);
}

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

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

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

.grid-1-2 {
  grid-template-columns: 1fr 2fr;
}

.grid-2-1 {
  grid-template-columns: 2fr 1fr;
}

.grid-center {
  align-items: center;
}

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

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

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

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

.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); }

/* Section Header */
.section-header {
  margin-bottom: var(--space-12);
}

.section-title {
  font-size: var(--font-size-h2);
  margin-bottom: var(--space-4);
}

.section-subtitle {
  font-size: var(--font-size-body-lg);
  color: var(--color-text-muted);
  max-width: 680px;
}

.section-header.text-center .section-subtitle {
  margin: 0 auto;
}