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

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

.section {
  padding-block: var(--space-section);
}

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

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

.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4 {
  color: var(--color-text-light);
}

/* Grid utilities */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.grid-4 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 600px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }

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

/* Text alignment utilities */
.text-center { text-align: center; }
.text-left   { text-align: left; }

/* Flex utilities */
.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
}