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

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

.text-primary   { color: var(--color-primary); }
.text-muted     { color: var(--color-text-muted); }
.text-success   { color: var(--color-success); }
.text-danger    { color: var(--color-danger); }

.text-sm  { font-size: var(--text-sm); }
.text-xs  { font-size: var(--text-xs); }

.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }

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

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

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

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

.price {
  font-family: var(--font-heading);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
}

.price--old {
  font-weight: var(--weight-regular);
  color: var(--color-text-muted);
  text-decoration: line-through;
}

.price--lg {
  font-size: var(--text-2xl);
}

.price--md {
  font-size: var(--text-md);
}

.price--sm {
  font-size: var(--text-base);
}