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

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

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

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

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

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

.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);
}

/* Two-column split layout */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.split--reverse {
  direction: rtl;
}

.split--reverse > * {
  direction: ltr;
}

@media (max-width: 768px) {
  .split {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .split--reverse {
    direction: ltr;
  }
}

/* Grid layouts */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

@media (max-width: 900px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

/* Section header */
.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary-mid);
  margin-bottom: var(--space-sm);
}

.section-label--light {
  color: var(--color-accent);
}

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

.section-header h2 {
  margin-bottom: var(--space-xs);
}

.section-header p {
  font-size: var(--font-size-md);
  color: var(--color-text-muted);
}

/* Aspect ratios */
.aspect-4-3 { aspect-ratio: 4/3; }
.aspect-16-9 { aspect-ratio: 16/9; }
.aspect-square { aspect-ratio: 1; }

.aspect-4-3 img,
.aspect-16-9 img,
.aspect-square img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Utility */
.text-center { text-align: center; }
.text-center p { margin-inline: auto; }
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}