/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.container--narrow {
  max-width: var(--container-narrow);
}

/* Section */
.section {
  padding: var(--space-section) 0;
}

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

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

.section--dark .section-title {
  color: var(--color-white);
}

.section--dark .section-subtitle,
.section--dark .text-muted {
  color: var(--color-text-on-dark-muted);
}

.section--dark a:hover {
  color: var(--color-primary-light);
}

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

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

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

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

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

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

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

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

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

.flex--gap-sm {
  gap: var(--space-sm);
}

.flex--gap-md {
  gap: var(--space-md);
}

.flex--gap-lg {
  gap: var(--space-lg);
}