.newsletter__inner {
  position: relative;
  overflow: hidden;
  text-align: center;
  max-width: 44rem;
  margin-inline: auto;
  padding: clamp(2.5rem, 6vw, 4rem) clamp(1.5rem, 5vw, 3.5rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(90% 120% at 50% 0%, color-mix(in srgb, var(--glow) 14%, transparent), transparent 60%),
    var(--color-surface);
}
.newsletter__embers { position: absolute; inset: 0; z-index: 0; pointer-events: none; opacity: 0.5; }
.newsletter__inner > * { position: relative; z-index: 1; }
.newsletter__inner .eyebrow { color: var(--glow); margin-bottom: 0.75rem; }
.newsletter__sub { margin-top: 0.85rem; max-width: 42ch; margin-inline: auto; }
.newsletter__form { margin-top: 1.75rem; }
.newsletter__form .newsletter-form__row { max-width: 30rem; margin-inline: auto; }

@media (max-width: 560px) {
  .newsletter__form .newsletter-form__row { flex-direction: column; }
}