.envelope-gate[hidden], #invitation[hidden] { display: none; }
.envelope-gate {
  min-height: 100svh;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 24px;
  padding: 32px 20px;
  text-align: center;
}
.envelope-to {
  margin: 0;
  font: 700 clamp(23px, 6vw, 32px) 'Fredoka', sans-serif;
  color: var(--dark);
}
.envelope-button {
  border: 0;
  padding: 0;
  background: none;
  cursor: pointer;
}
.envelope {
  position: relative;
  display: block;
  width: min(78vw, 325px);
  height: min(49vw, 202px);
  border-radius: 12px;
  background: #ec8baa;
  box-shadow: 0 12px 32px #a6214f30;
  perspective: 700px;
  isolation: isolate;
}
.envelope-letter {
  position: absolute;
  inset: 10% 8% 8%;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: #fffdf7;
  color: var(--dark);
  font: 400 clamp(22px, 7vw, 37px) 'Pacifico', cursive;
  transition: transform 420ms 160ms ease;
}
.envelope-pocket, .envelope-flap {
  position: absolute;
  inset: 0;
  border-radius: inherit;
}
.envelope-pocket {
  background: linear-gradient(145deg,#ffc2d2 49%,#ffb4c9 50%);
  clip-path: polygon(0 0, 50% 64%, 100% 0, 100% 100%, 0 100%);
}
.envelope-flap {
  background: #f5a2ba;
  clip-path: polygon(0 0, 100% 0, 50% 65%);
  transform-origin: top;
  transition: transform 420ms ease;
}
.envelope-seal {
  position: absolute;
  top: 58%;
  left: 50%;
  transform: translate(-50%,-50%);
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border: 3px solid #fff6f8;
  border-radius: 50%;
  background: #ffe5ed;
  font-size: 27px;
  transition: opacity 160ms ease;
}
.envelope-label { margin-top: 28px; background: var(--dark); color: white; }
.is-opening .envelope-flap { transform: rotateX(180deg); }
.is-opening .envelope-letter { transform: translateY(-37%); }
.is-opening .envelope-seal { opacity: 0; }

#detalles .pill { display: inline-flex; margin: 6px 4px; }
#detalles .detail:first-of-type { margin-top: 0; }
@media (prefers-reduced-motion: reduce) {
  .envelope-letter, .envelope-flap, .envelope-seal { transition: none; }
}