/* Scoped checkout controls: author display rules must respect their hidden state. */
[data-checkout-retry][hidden],
[data-checkout-portal][hidden],
[data-checkout-return][hidden] { display: none !important; }
[data-checkout-price][data-price-state="unavailable"],
[data-checkout-price][data-price-state="held"] {
  font-size: clamp(1.2rem, 5vw, 1.8rem);
  letter-spacing: normal;
  line-height: 1.3;
  white-space: normal;
  overflow-wrap: anywhere;
}

/* Loaded only by the eleven Buy pages; keep long localized headings readable. */
main h1 {
  font-size: clamp(2.25rem, 3.8vw, 3.75rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
}
main.site-shell.section h2 {
  font-size: clamp(1.4rem, 2vw, 1.8rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

[dir="rtl"] main.site-shell.section h1,
[dir="rtl"] main.site-shell.section h2 { letter-spacing: normal; }