.book-cover--emblem {
  display: grid;
  place-items: center;
  padding: clamp(2.5rem, 5vw, 4.5rem);
  background:
    radial-gradient(circle at 50% 44%, var(--register-glow), transparent 58%),
    linear-gradient(145deg, var(--pending-wash), transparent 62%),
    var(--paper);
}

.book-cover.book-cover--emblem img {
  position: relative;
  z-index: 1;
  width: min(100%, 31rem);
  height: auto;
  min-height: 0;
  object-fit: contain;
  filter: drop-shadow(0 1.2rem 1.35rem rgba(30, 23, 18, 0.18));
}

.book-cover--emblem::after {
  border-color: var(--line);
}