/* === layout.css === */

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

.section {
  padding-block: var(--space-4xl);
}

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

.section__header {
  margin-bottom: var(--space-2xl);
}

.section__title {
  margin-bottom: var(--space-sm);
}

.section__subtitle {
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
  max-width: 680px;
}

.section__intro {
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
  max-width: 720px;
}

.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 helpers */
.flex {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

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

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

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}