/* Separate generated paper and lace layers let the letter slide inside the pocket. */
.letter-back {
  background: linear-gradient(155deg, #c8d8e4, #adc3d6 65%, #a0b9cf);
}
.letter-front {
  background: none;
  clip-path: none;
  padding-top: calc(clamp(200px, 30svh, 280px) * .63);
  filter: drop-shadow(0 5px 6px #526b8120);
}
.letter-front::before,
.letter-front::after {
  inset: 0;
  background: url('/assets/stationery/blue-envelope-pocket.webp') center / 104.5% 112% no-repeat;
  clip-path: none;
  transform: none;
  pointer-events: none;
}
.letter-front::after {
  background-image: url('/assets/stationery/ivory-lace-trim.webp');
  background-size: 100% 100%;
}
/* The supplied PNG's centered artwork occupies 1514px of its 2250px canvas.
   Use its alpha as a mask to retain the original mark and match the stationery. */
.couple-logo {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  background: currentColor;
  -webkit-mask: url('/assets/aa-monogram.png') center / 148.61% auto no-repeat;
  mask: url('/assets/aa-monogram.png') center / 148.61% auto no-repeat;
}
.letter-brand {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  color: #fffdf3;
  width: max-content;
  text-align: center;
}
.letter-brand .couple-logo {
  width: clamp(56px, 9vw, 74px);
  margin: 0 auto 7px;
}
.letter-brand small {
  margin: 0;
  color: inherit;
  font: 7px/1.4 var(--serif);
  letter-spacing: 2.2px;
}
.footer-monogram {
  position: relative;
  width: clamp(120px, 27vw, 150px);
  margin: 55px auto 25px;
  color: #a79a73;
}