.stamp-promo {
  max-width: 760px;
  margin: 28px auto 0;
  padding: 20px;
  border: 1px solid #efcfdb;
  border-radius: 20px;
  background: #fff5f8;
  text-align: center;
}

.stamp-promo h2 {
  margin: 0 0 16px;
  color: var(--accent);
  font-size: clamp(17px, 2.8vw, 21px);
  line-height: 1.5;
}

.stamp-promo-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  width: min(560px, 100%);
  margin: 0 auto;
}

.stamp-promo-grid a {
  display: block;
  min-width: 0;
  padding: 6px;
  border: 1px solid #e9cbd4;
  border-radius: 17px;
  background: #fff;
  box-shadow: 0 4px 10px #33272e10;
  transition: transform .2s, box-shadow .2s;
}

.stamp-promo-grid a:hover {
  transform: translateY(-3px);
  box-shadow: 0 7px 14px #33272e1e;
}

.stamp-promo-grid a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.stamp-promo-grid img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  object-fit: contain;
}

@media (max-width: 480px) {
  .stamp-promo {
    padding: 16px 12px;
  }

  .stamp-promo-grid {
    gap: 7px;
  }

  .stamp-promo-grid a {
    padding: 3px;
    border-radius: 12px;
  }
}