/* Full-screen wedding envelope reveal. Independent of the page layout. */
.opening-overlay { display: none; }
html.js .opening-overlay {
  --envelope-cream: #fbf8f2;
  --envelope-edge: #d8cbb8;
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: grid;
  place-items: center;
  overflow: hidden;
  padding: max(18px, env(safe-area-inset-top)) 18px max(18px, env(safe-area-inset-bottom));
  background: radial-gradient(ellipse at 50% 35%, #fffefb 0%, #f7f3ed 53%, #ede9df 100%);
  color: #283b2e;
  text-align: center;
  isolation: isolate;
}
html.intro-active { overflow: hidden; }
.opening-overlay::before {
  position: absolute;
  inset: 0;
  content: '';
  opacity: .22;
  pointer-events: none;
  background: url('../images/paper-texture.svg') repeat;
  background-size: 350px;
}
.opening-botanical {
  position: absolute;
  width: clamp(170px, 42vw, 330px);
  pointer-events: none;
  user-select: none;
  opacity: .87;
  z-index: 0;
}
.opening-botanical--top { top: -126px; right: -115px; transform: rotate(138deg); }
.opening-botanical--bottom { bottom: -150px; left: -125px; transform: rotate(-16deg); }
.opening-content { position: relative; z-index: 1; width: min(100%, 500px); }
.opening-kicker {
  margin: 0 0 11px;
  font: 600 10px/1.7 var(--sans, sans-serif);
  letter-spacing: .3em;
}
.opening-title {
  margin: 0;
  font: 400 clamp(35px, 8.6vw, 53px)/1.04 var(--serif, Georgia, serif);
  letter-spacing: -.022em;
}
.opening-subtitle {
  margin: 10px 0 5px;
  font: italic 400 23px/1.2 var(--serif, Georgia, serif);
  color: #875067;
}
.opening-stage {
  width: min(82vw, 395px);
  height: min(88vw, 335px);
  min-height: 250px;
  margin: 6px auto 9px;
  position: relative;
  perspective: 1250px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.opening-envelope {
  position: absolute;
  bottom: 8px;
  left: 0;
  width: 100%;
  height: 65%;
  min-height: 172px;
  filter: drop-shadow(0 21px 19px rgba(54, 48, 32, .15));
  transform-style: preserve-3d;
}
.opening-envelope-back {
  position: absolute;
  inset: 0;
  z-index: 1;
  border: 1px solid #d8cbb8;
  background: linear-gradient(150deg, #e6d9c7, #f1e7d8 58%, #dfd1bb);
}
.opening-letter {
  position: absolute;
  left: 9%;
  bottom: 16px;
  z-index: 2;
  width: 82%;
  height: 97%;
  padding: 28px 14px 14px;
  border: 1px solid #cfc4b3;
  background: #fffdf8;
  box-shadow: 0 5px 12px #6e61451a;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  transform: translateY(0);
  transition: transform 1.12s cubic-bezier(.19, 1, .22, 1) .5s;
}
.opening-letter::before {
  content: '';
  position: absolute;
  inset: 8px;
  border: 1px solid #e9dfd1;
  pointer-events: none;
}
.opening-letter-ornament { color: #aa936f; font-size: 19px; line-height: 1; }
.opening-letter-kicker {
  font: 600 8px/1.8 var(--sans, sans-serif);
  letter-spacing: .2em;
  margin: 9px 0 8px;
}
.opening-letter-monogram {
  font: 400 clamp(45px, 10vw, 61px)/1.06 var(--serif, Georgia, serif);
  letter-spacing: -.04em;
  color: #283b2e;
}
.opening-letter-date {
  margin: 8px 0 0;
  font: 500 9px/1.5 var(--sans, sans-serif);
  letter-spacing: .16em;
}
.opening-envelope-sides,
.opening-envelope-pocket {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.opening-envelope-sides {
  z-index: 3;
}
.opening-envelope-sides::before,
.opening-envelope-sides::after {
  position: absolute;
  inset: 0;
  content: '';
}
.opening-envelope-sides::before {
  background: linear-gradient(140deg, #efe5d6, #e1d2bc);
  clip-path: polygon(0 0, 51% 55%, 0 100%);
}
.opening-envelope-sides::after {
  background: linear-gradient(215deg, #ede1d0, #dfd0b9);
  clip-path: polygon(100% 0, 49% 55%, 100% 100%);
}
.opening-envelope-pocket {
  z-index: 4;
  background: linear-gradient(170deg, #f7eee0 0%, #e8dac5 100%);
  clip-path: polygon(0 100%, 50% 40%, 100% 100%);
}
.opening-envelope-pocket::after {
  position: absolute;
  content: '';
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: #cbbb9f;
}
.opening-envelope-flap {
  position: absolute;
  z-index: 5;
  inset: -1px 0 auto;
  height: 66%;
  transform-origin: center top;
  backface-visibility: hidden;
  transform: rotateX(0deg);
  transition: transform .95s cubic-bezier(.22, 1, .36, 1);
  background: linear-gradient(160deg, #f8f0e3, #e8d8c1 95%);
  clip-path: polygon(0 0, 100% 0, 50% 100%);
  filter: drop-shadow(0 2px 1px #74654b14);
}
.opening-seal {
  position: absolute;
  z-index: 6;
  top: 36%;
  left: 50%;
  width: 67px;
  height: 67px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid #9c5260;
  background: radial-gradient(circle at 32% 25%, #b86373, #84283f 73%);
  box-shadow: inset 0 0 0 3px #a84b60, inset 0 0 0 4px #cb9da5, 0 5px 9px #5d34412b;
  color: #fff3e5;
  font: italic 400 19px/1 var(--serif, Georgia, serif);
  white-space: nowrap;
  transform: translate(-50%, -50%) rotate(-8deg);
  transition: opacity .32s ease, transform .65s cubic-bezier(.22, 1, .36, 1);
}
.opening-open-button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-width: 201px;
  min-height: 44px;
  border: 1px solid #283b2e;
  padding: 12px 19px;
  background: transparent;
  color: #283b2e;
  font: 600 10px/1 var(--sans, sans-serif);
  letter-spacing: .18em;
  cursor: pointer;
  transition: background .25s ease, color .25s ease, opacity .3s ease;
}
.opening-open-button:hover { background: #283b2e; color: #fffaf3; }
.opening-open-button:disabled { cursor: default; }
.opening-skip {
  display: block;
  margin: 14px auto 0;
  padding: 8px;
  border: 0;
  color: #667064;
  background: transparent;
  font: 500 10px/1.4 var(--sans, sans-serif);
  text-decoration: underline;
  text-underline-offset: 4px;
  cursor: pointer;
}
/* Animation: open the envelope flap, draw out the letter, then reveal the site. */
.opening-overlay.is-opening .opening-envelope-flap { transform: rotateX(180deg); }
.opening-overlay.is-opening .opening-seal { opacity: 0; transform: translate(-50%, -75%) scale(.72) rotate(-8deg); }
.opening-overlay.is-opening .opening-letter { transform: translateY(-78px); }
.opening-overlay.is-opening .opening-open-button { opacity: 0; pointer-events: none; }
.opening-overlay.is-opening { animation: opening-overlay-exit .9s ease 2.12s forwards; pointer-events: none; }
.opening-overlay.is-opening .opening-content { animation: opening-scene-exit .9s cubic-bezier(.2, .75, .3, 1) 2.08s forwards; }
.site-shell.intro-site-reveal { animation: invitation-emerge 1.1s ease 2.06s both; }
@keyframes opening-overlay-exit { to { opacity: 0; visibility: hidden; } }
@keyframes opening-scene-exit { to { transform: translateY(-50px) scale(1.07); opacity: 0; } }
@keyframes invitation-emerge { from { opacity: .6; transform: scale(1.025); filter: blur(5px); } to { opacity: 1; transform: scale(1); filter: blur(0); } }
@media (max-height: 600px) {
  .opening-title { font-size: 30px; }
  .opening-subtitle { margin: 3px 0; }
  .opening-stage { height: 240px; min-height: 240px; width: min(75vw, 320px); }
  .opening-envelope { min-height: 0; }
  .opening-letter { padding-top: 14px; }
  .opening-letter-monogram { font-size: 38px; }
  .opening-letter-date { margin-top: 2px; }
  .opening-overlay.is-opening .opening-letter { transform: translateY(-60px); }
  .opening-skip { margin-top: 5px; }
}
@media (prefers-reduced-motion: reduce) {
  .opening-overlay, .opening-overlay *, .site-shell.intro-site-reveal { animation: none !important; transition: none !important; }
}