/* Blanca & Martin — invitation opening, editorial rebuild */
.opening-scene__backdrop {
  position: fixed;
  inset: 0;
  z-index: 499;
  overflow: hidden;
  background:
    radial-gradient(circle at 18% 14%, rgba(225, 176, 137, .16), transparent 27rem),
    radial-gradient(circle at 82% 82%, rgba(104, 153, 157, .16), transparent 30rem),
    linear-gradient(145deg, #162f31 0%, #24494a 46%, #132b2e 100%);
  transition: opacity .8s ease, visibility .8s ease;
}

.opening-scene__backdrop::before {
  content: "";
  position: absolute;
  inset: clamp(12px, 2.4vw, 34px);
  border: 1px solid rgba(248, 238, 215, .17);
  box-shadow: inset 0 0 0 5px rgba(13, 37, 39, .08);
  pointer-events: none;
}

.opening-scene__backdrop::after {
  content: "B · M";
  position: absolute;
  right: clamp(1.4rem, 4vw, 4rem);
  bottom: clamp(1.25rem, 3vw, 2.8rem);
  color: rgba(247, 232, 204, .25);
  font: 500 clamp(.56rem, .8vw, .72rem)/1 var(--font-serif);
  letter-spacing: .34em;
}

.opening-scene__paper-grain {
  position: absolute;
  inset: 0;
  opacity: .26;
  background-image:
    repeating-linear-gradient(7deg, transparent 0 4px, rgba(255,255,255,.025) 5px 6px),
    repeating-linear-gradient(96deg, transparent 0 9px, rgba(7,26,28,.08) 10px 11px);
  mix-blend-mode: soft-light;
  pointer-events: none;
}

.opening-scene {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: grid;
  place-items: center;
  overflow: hidden;
  padding: clamp(1.5rem, 4vw, 4rem);
  background: transparent;
  perspective: 1800px;
  isolation: isolate;
  transition: opacity .72s ease, visibility .72s ease;
}

.opening-envelope-stage {
  width: min(780px, 88vw);
  text-align: center;
  transform: translateY(1.5vh);
  transform-origin: center;
  transition: transform .85s cubic-bezier(.22,1,.36,1), filter .65s ease, opacity .6s ease;
}

.opening-envelope__prelude {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  width: min(580px, 78%);
  margin: 0 auto clamp(1.35rem, 3vh, 2.25rem);
  color: rgba(249, 239, 218, .76);
  font: 500 clamp(.56rem, .8vw, .7rem)/1.5 var(--font-sans);
  letter-spacing: .24em;
  text-transform: uppercase;
  transition: opacity .35s ease, transform .5s ease;
}

.opening-envelope__prelude::before,
.opening-envelope__prelude::after {
  content: "";
  height: 1px;
  flex: 1;
  background: rgba(249, 239, 218, .24);
}

.opening-envelope__prelude span { flex: 0 1 auto; }

.opening-envelope {
  position: relative;
  width: 100%;
  aspect-ratio: 1.66 / 1;
  filter: drop-shadow(0 38px 38px rgba(4, 19, 21, .38));
  transform: rotateX(1.5deg);
  transform-style: preserve-3d;
  transition: transform 1s cubic-bezier(.22,1,.36,1), filter 1s ease;
}

.opening-envelope__back {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  border: 1px solid rgba(79, 66, 45, .28);
  border-radius: 3px;
  background:
    linear-gradient(132deg, rgba(255,255,255,.6), transparent 35%),
    linear-gradient(180deg, #efe7d5 0%, #e2d4b9 100%);
  box-shadow:
    0 3px 0 rgba(154, 128, 90, .46),
    inset 0 0 55px rgba(123, 91, 54, .1),
    inset 0 0 0 8px rgba(255,255,255,.12);
}

.opening-envelope__back::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .48;
  background-image:
    repeating-linear-gradient(8deg, transparent 0 5px, rgba(103,76,46,.035) 6px 7px),
    radial-gradient(circle at 22% 34%, rgba(94,67,38,.08) 0 1px, transparent 1.5px);
  background-size: auto, 18px 16px;
}

.opening-envelope__liner {
  position: absolute;
  inset: 0 0 35%;
  z-index: 1;
  clip-path: polygon(0 0, 100% 0, 50% 100%);
  background:
    radial-gradient(circle at 25% 30%, transparent 0 15px, rgba(232,203,156,.2) 16px 17px, transparent 18px) 0 0 / 74px 62px,
    radial-gradient(circle at 75% 70%, transparent 0 12px, rgba(232,203,156,.15) 13px 14px, transparent 15px) 0 0 / 74px 62px,
    linear-gradient(145deg, #315f63, #1f484c);
  box-shadow: inset 0 14px 28px rgba(4, 26, 29, .28);
}

.opening-envelope__liner::after {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(236, 209, 166, .26);
  clip-path: polygon(0 0, 100% 0, 50% 100%);
}

.opening-envelope__letter {
  position: absolute;
  top: 6%;
  left: 8%;
  z-index: 3;
  display: flex;
  width: 84%;
  height: 88%;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: clamp(1rem, 3.5vw, 2.5rem);
  overflow: hidden;
  border: 1px solid rgba(128, 99, 66, .26);
  background:
    linear-gradient(90deg, transparent 49.85%, rgba(155,126,88,.09) 50%, transparent 50.15%),
    radial-gradient(circle at 16% 21%, rgba(130,96,58,.045) 0 1px, transparent 1.5px) 0 0 / 17px 14px,
    linear-gradient(138deg, #fffdf7 0%, #f8f1e3 100%);
  box-shadow:
    0 16px 30px rgba(38, 29, 19, .2),
    inset 0 0 0 10px rgba(181, 151, 110, .08),
    inset 0 0 0 11px rgba(139, 105, 65, .12);
  color: #343a35;
  transform: scale(.96);
  transform-origin: center bottom;
  transition: transform 1.35s cubic-bezier(.16,.8,.25,1), box-shadow 1s ease;
}

.opening-envelope__letter::before,
.opening-envelope__letter::after {
  content: "";
  position: absolute;
  width: 32px;
  height: 32px;
  border-color: rgba(161, 119, 79, .42);
  pointer-events: none;
}

.opening-envelope__letter::before {
  top: 21px;
  left: 21px;
  border-top: 1px solid;
  border-left: 1px solid;
}

.opening-envelope__letter::after {
  right: 21px;
  bottom: 21px;
  border-right: 1px solid;
  border-bottom: 1px solid;
}

.opening-envelope__letter-mark {
  display: grid;
  place-items: center;
  width: clamp(42px, 6vw, 54px);
  aspect-ratio: 1;
  margin-bottom: clamp(.8rem, 2vw, 1.2rem);
  border: 1px solid rgba(55, 94, 92, .46);
  border-radius: 50%;
  color: #345f5f;
  font: 500 clamp(.62rem, 1.3vw, .8rem)/1 var(--font-serif);
  letter-spacing: .02em;
}

.opening-envelope__letter-mark i { margin: 0 .16em; font-size: .7em; font-style: normal; }
.opening-envelope__letter p {
  margin: 0 0 .55rem;
  color: #9a654f;
  font: 600 clamp(.52rem, 1vw, .67rem)/1 var(--font-sans);
  letter-spacing: .28em;
  text-transform: uppercase;
}

.opening-envelope__letter strong {
  max-width: 90%;
  color: #3b403b;
  font: 400 clamp(2.2rem, 6.1vw, 4.85rem)/.88 var(--font-script);
  text-align: center;
}

.opening-envelope__letter-date {
  margin-top: clamp(.65rem, 1.7vw, 1rem);
  color: #4d524c;
  font: 500 clamp(.66rem, 1.4vw, .9rem)/1.25 var(--font-serif);
  letter-spacing: .13em;
  text-transform: uppercase;
}

.opening-envelope__letter-place {
  margin-top: .35rem;
  color: #68736c;
  font: 500 clamp(.52rem, 1vw, .64rem)/1.3 var(--font-sans);
  letter-spacing: .19em;
  text-transform: uppercase;
}

.opening-envelope__letter-star {
  margin-top: clamp(.65rem, 1.4vw, .9rem);
  color: #b7775e;
  font-size: .65rem;
}

.opening-envelope__pocket {
  position: absolute;
  inset: 34% 0 0;
  z-index: 5;
  overflow: hidden;
  border-radius: 0 0 3px 3px;
  clip-path: polygon(0 0, 50% 47%, 100% 0, 100% 100%, 0 100%);
  background:
    linear-gradient(145deg, rgba(255,255,255,.42), transparent 38%),
    linear-gradient(165deg, #eee4d1 0%, #ddceb1 100%);
  box-shadow: inset 0 -24px 38px rgba(104, 78, 47, .1);
}

.opening-envelope__pocket::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(8deg, transparent 0 6px, rgba(92,67,39,.03) 7px 8px);
  pointer-events: none;
}

.opening-envelope__fold {
  position: absolute;
  top: 0;
  bottom: 0;
  z-index: 4;
  display: block;
  width: 51%;
  border: 1px solid rgba(128, 99, 63, .12);
  background:
    repeating-linear-gradient(8deg, transparent 0 6px, rgba(92,67,39,.025) 7px 8px),
    linear-gradient(155deg, #eee4d1, #ddcdb0);
}

.opening-envelope__fold--left { left: 0; clip-path: polygon(0 0, 100% 65%, 0 100%); }
.opening-envelope__fold--right { right: 0; clip-path: polygon(100% 0, 0 65%, 100% 100%); }

.opening-envelope__flap {
  position: absolute;
  inset: 0 0 35%;
  z-index: 7;
  clip-path: polygon(0 0, 100% 0, 50% 100%);
  transform-origin: 50% 0;
  transform-style: preserve-3d;
  transition: transform 1.08s cubic-bezier(.55,.02,.19,1), z-index 0s .58s;
}

.opening-envelope__flap::before,
.opening-envelope__flap::after {
  content: "";
  position: absolute;
  inset: 0;
  clip-path: inherit;
  backface-visibility: hidden;
}

.opening-envelope__flap::before {
  background:
    repeating-linear-gradient(8deg, transparent 0 6px, rgba(104,76,43,.035) 7px 8px),
    linear-gradient(156deg, rgba(255,255,255,.56), transparent 44%),
    linear-gradient(180deg, #f1e8d7, #deceb0);
  filter: drop-shadow(0 5px 5px rgba(55, 39, 24, .14));
}

.opening-envelope__flap::after {
  border: 1px solid rgba(221, 192, 146, .24);
  background:
    radial-gradient(circle at 25% 30%, transparent 0 15px, rgba(232,203,156,.2) 16px 17px, transparent 18px) 0 0 / 74px 62px,
    radial-gradient(circle at 75% 70%, transparent 0 12px, rgba(232,203,156,.15) 13px 14px, transparent 15px) 0 0 / 74px 62px,
    linear-gradient(145deg, #315f63, #1f484c);
  box-shadow: inset 0 16px 28px rgba(4, 26, 29, .22);
  transform: rotateX(180deg);
}

.opening-envelope__seal {
  position: absolute;
  top: 48%;
  left: 50%;
  z-index: 9;
  display: grid;
  place-items: center;
  width: clamp(68px, 9vw, 86px);
  aspect-ratio: 1;
  padding: 0;
  border: 0;
  border-radius: 49% 44% 52% 46%;
  background:
    radial-gradient(circle at 32% 25%, rgba(255,207,184,.36) 0 4%, transparent 5%),
    radial-gradient(circle at 43% 39%, #c77a60 0%, #a7533f 57%, #773326 100%);
  box-shadow:
    0 11px 16px rgba(72, 28, 20, .3),
    inset 3px 5px 8px rgba(255, 202, 177, .25),
    inset -5px -6px 9px rgba(73, 22, 16, .3),
    0 0 0 1px rgba(78, 31, 24, .22);
  color: #f6d8c7;
  cursor: pointer;
  transform: translate(-50%, -50%) rotate(-5deg);
  transition: transform .48s cubic-bezier(.22,1,.36,1), opacity .36s ease, filter .36s ease;
}

.opening-envelope__seal::before {
  content: "";
  position: absolute;
  inset: 12%;
  border: 1px solid rgba(255, 218, 197, .58);
  border-radius: 50%;
  box-shadow: inset 0 0 0 3px rgba(100, 37, 27, .16);
}

.opening-envelope__seal::after {
  content: "";
  position: absolute;
  inset: -5px;
  border: 1px solid rgba(237, 172, 144, .18);
  border-radius: 48% 53% 44% 51%;
}

.opening-envelope__seal span {
  position: relative;
  z-index: 1;
  font: 500 clamp(1.05rem, 2.1vw, 1.4rem)/1 var(--font-serif);
  letter-spacing: -.08em;
}

.opening-envelope__seal small { margin: 0 .08em; font-size: .52em; }
.opening-envelope__seal i {
  position: absolute;
  inset: 21%;
  border: 1px dotted rgba(248, 207, 185, .45);
  border-radius: 50%;
}

.opening-envelope__seal:hover,
.opening-envelope__seal:focus-visible {
  filter: brightness(1.06);
  outline: none;
  transform: translate(-50%, -50%) rotate(0) scale(1.07);
}

.opening-envelope__seal:focus-visible { box-shadow: 0 0 0 4px rgba(248,238,215,.72), 0 11px 18px rgba(42,19,16,.34); }

.opening-envelope__hint {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  margin: clamp(1.45rem, 3vh, 2.1rem) auto 0;
  padding: .25rem 0 .45rem;
  border: 0;
  border-bottom: 1px solid rgba(248, 236, 211, .32);
  background: transparent;
  color: #f4e9d4;
  cursor: pointer;
  font: 500 .66rem/1 var(--font-sans);
  letter-spacing: .22em;
  text-transform: uppercase;
  transition: color .25s ease, border-color .25s ease, opacity .35s ease, transform .5s ease;
}

.opening-envelope__hint i { font: 400 1rem/1 var(--font-sans); transition: transform .25s ease; }
.opening-envelope__hint:hover,
.opening-envelope__hint:focus-visible { border-color: rgba(248,236,211,.74); color: #fffaf0; outline: none; }
.opening-envelope__hint:hover i,
.opening-envelope__hint:focus-visible i { transform: translate(3px, -3px); }

.opening-scene__skip {
  position: fixed;
  z-index: 600;
  top: clamp(1.3rem, 3vw, 2.7rem);
  right: clamp(1.35rem, 3vw, 2.8rem);
  bottom: auto;
  padding: .5rem 0;
  border: 0;
  border-bottom: 1px solid rgba(247, 233, 207, .28);
  border-radius: 0;
  background: transparent;
  color: rgba(247, 236, 215, .62);
  cursor: pointer;
  font: 500 .58rem/1 var(--font-sans);
  letter-spacing: .15em;
  text-transform: uppercase;
  transition: color .25s ease, border-color .25s ease, opacity .3s ease;
}

.opening-scene__skip:hover,
.opening-scene__skip:focus-visible { color: #fff9ed; border-color: rgba(247,233,207,.72); outline: none; }
.opening-scene__skip.is-hidden { display: none; }

/* The interaction is deliberately paced like opening real stationery. */
.opening-scene.is-opening .opening-envelope { transform: translateY(6%) rotateX(0); }
.opening-scene.is-opening .opening-envelope__flap { z-index: 2; transform: rotateX(-180deg); }
.opening-scene.is-opening .opening-envelope__seal {
  opacity: 0;
  filter: blur(1px);
  pointer-events: none;
  transform: translate(-50%, -36%) rotate(13deg) scale(.68);
}

.opening-scene.is-opening .opening-envelope__hint,
.opening-scene.is-opening .opening-envelope__prelude {
  opacity: 0;
  pointer-events: none;
  transform: translateY(6px);
}

.opening-scene.is-revealing .opening-envelope { transform: translateY(10%) rotateX(0); filter: drop-shadow(0 28px 30px rgba(4,19,21,.28)); }
.opening-scene.is-revealing .opening-envelope__letter {
  z-index: 4;
  box-shadow:
    0 22px 40px rgba(22, 20, 15, .3),
    inset 0 0 0 10px rgba(181, 151, 110, .08),
    inset 0 0 0 11px rgba(139, 105, 65, .12);
  transform: translateY(-49%) scale(1);
}

.opening-scene.is-leaving .opening-envelope-stage {
  opacity: 0;
  filter: blur(4px);
  transform: translateY(-1rem) scale(1.025);
}

.opening-scene.is-leaving,
.opening-scene__backdrop.is-leaving {
  opacity: 0;
  visibility: hidden;
}

.opening-scene.is-opening,
.opening-scene.is-hidden { pointer-events: none; }
.opening-scene.is-hidden,
.opening-scene__backdrop.is-hidden { display: none; }

@media (max-width: 620px) {
  .opening-scene { padding: 1rem; }
  .opening-scene__backdrop::before { inset: 10px; }
  .opening-scene__backdrop::after { right: 1rem; bottom: 1rem; }
  .opening-envelope-stage { width: min(100%, 440px); transform: none; }
  .opening-envelope__prelude {
    width: 88%;
    gap: .65rem;
    margin-bottom: 1.3rem;
    font-size: .5rem;
    letter-spacing: .16em;
  }
  .opening-envelope { aspect-ratio: 1.28 / 1; }
  .opening-envelope__letter {
    top: 6%;
    left: 6%;
    width: 88%;
    height: 88%;
    padding: 1rem;
  }
  .opening-envelope__letter-mark { width: 38px; margin-bottom: .65rem; }
  .opening-envelope__letter p { margin-bottom: .4rem; font-size: .5rem; }
  .opening-envelope__letter strong { max-width: 96%; font-size: clamp(2rem, 10.5vw, 3.1rem); }
  .opening-envelope__letter-date { margin-top: .65rem; font-size: .63rem; }
  .opening-envelope__letter-place { font-size: .49rem; }
  .opening-envelope__letter-star { margin-top: .55rem; }
  .opening-envelope__seal { width: 72px; }
  .opening-envelope__hint { margin-top: 1.35rem; }
  .opening-scene__skip { top: 1.15rem; right: 1.2rem; font-size: .52rem; }
  .opening-scene.is-revealing .opening-envelope__letter { transform: translateY(-43%) scale(1); }
}

@media (max-height: 640px) and (min-width: 621px) {
  .opening-envelope-stage { width: min(680px, 72vw); transform: none; }
  .opening-envelope__prelude { margin-bottom: .8rem; }
  .opening-envelope__hint { margin-top: .85rem; }
}

@media (prefers-reduced-motion: reduce) {
  .opening-scene,
  .opening-scene__backdrop,
  .opening-envelope-stage,
  .opening-envelope,
  .opening-envelope__flap,
  .opening-envelope__seal,
  .opening-envelope__letter { transition: none !important; }
}

/* Reference-led watercolor redesign — warm paper, never a flat blue field. */
.opening-scene__backdrop {
  background:
    linear-gradient(180deg, rgba(255,250,239,.12), rgba(244,232,210,.2)),
    url("../img/opening-mediterranean-watercolor-v1.png") center center / cover no-repeat;
}

.opening-scene__backdrop::before {
  inset: 0;
  border: 0;
  background:
    linear-gradient(90deg, rgba(83,67,45,.12), transparent 16%, transparent 84%, rgba(83,67,45,.08)),
    linear-gradient(180deg, rgba(255,252,243,.12), transparent 58%, rgba(96,72,42,.1));
  box-shadow: inset 0 0 90px rgba(86,67,42,.1);
}

.opening-scene__backdrop::after {
  content: "B y M";
  right: clamp(1.3rem,3vw,2.6rem);
  bottom: clamp(1.1rem,2.5vw,2.2rem);
  color: rgba(78,69,53,.56);
  font-family: var(--font-serif);
  letter-spacing: .22em;
}

.opening-scene__paper-grain {
  opacity: .18;
  background-image:
    repeating-linear-gradient(7deg, transparent 0 5px, rgba(103,77,46,.04) 6px 7px),
    repeating-linear-gradient(96deg, transparent 0 9px, rgba(255,255,255,.18) 10px 11px);
  mix-blend-mode: multiply;
}

.opening-scene { padding: clamp(1.25rem,3vw,3rem); }
.opening-envelope-stage {
  width: min(720px,86vw);
  transform: translateY(5vh);
}

.opening-envelope__prelude {
  width: min(560px,82%);
  margin-bottom: clamp(1rem,2vh,1.6rem);
  color: #655e50;
  text-shadow: 0 1px 10px rgba(255,252,243,.95);
}

.opening-envelope__prelude::before,
.opening-envelope__prelude::after { background: rgba(87,78,61,.28); }

.opening-envelope {
  aspect-ratio: 1.48 / 1;
  filter: drop-shadow(0 30px 28px rgba(67,51,31,.28)) drop-shadow(0 4px 4px rgba(77,57,33,.16));
  transform: rotate(-.35deg);
}

.opening-envelope__back {
  border-color: rgba(128,105,72,.3);
  border-radius: 4px 4px 7px 7px;
  background:
    repeating-linear-gradient(4deg, transparent 0 6px, rgba(116,92,59,.025) 7px 8px),
    radial-gradient(ellipse at 20% 32%, rgba(124,94,54,.055) 0 1px, transparent 1.5px) 0 0 / 16px 13px,
    linear-gradient(138deg, #f7f1e3 0%, #e9deca 100%);
  box-shadow:
    0 3px 0 rgba(151,125,88,.34),
    inset 0 0 62px rgba(126,96,58,.08),
    inset 0 0 0 7px rgba(255,255,255,.15);
}

.opening-envelope__liner {
  background:
    radial-gradient(circle at 24% 28%, transparent 0 15px, rgba(116,124,87,.16) 16px 17px, transparent 18px) 0 0 / 72px 62px,
    radial-gradient(circle at 76% 70%, transparent 0 12px, rgba(169,137,91,.14) 13px 14px, transparent 15px) 0 0 / 72px 62px,
    linear-gradient(145deg,#d8d5bd,#c9c7aa);
  box-shadow: inset 0 14px 26px rgba(79,70,48,.12);
}

.opening-envelope__liner::after { border-color: rgba(118,105,71,.18); }

.opening-envelope__letter {
  border-color: rgba(137,112,78,.26);
  background:
    linear-gradient(90deg, transparent 49.85%, rgba(155,126,88,.065) 50%, transparent 50.15%),
    radial-gradient(circle at 16% 21%, rgba(130,96,58,.04) 0 1px, transparent 1.5px) 0 0 / 17px 14px,
    linear-gradient(138deg,#fffdf7,#f7efdf);
  box-shadow:
    0 14px 28px rgba(65,48,29,.18),
    inset 0 0 0 10px rgba(181,151,110,.07),
    inset 0 0 0 11px rgba(139,105,65,.1);
}

.opening-envelope__letter-mark {
  border-color: rgba(135,83,60,.46);
  color: #8c4938;
}

.opening-envelope__fold {
  border-color: rgba(128,99,63,.1);
  background:
    repeating-linear-gradient(7deg, transparent 0 6px, rgba(92,67,39,.022) 7px 8px),
    linear-gradient(155deg,#f4eddf,#e2d6c1);
}

.opening-envelope__pocket {
  clip-path: polygon(0 0,50% 45%,100% 0,100% 100%,0 100%);
  background:
    repeating-linear-gradient(5deg, transparent 0 7px, rgba(102,75,42,.026) 8px 9px),
    linear-gradient(145deg,rgba(255,255,255,.36),transparent 42%),
    linear-gradient(165deg,#f4eddf 0%,#e2d5bf 100%);
  box-shadow: inset 0 -24px 38px rgba(104,78,47,.07);
}

.opening-envelope__flap {
  inset: 0 0 34%;
  clip-path: polygon(0 0,100% 0,98% 4%,55% 94%,52% 99%,50% 100%,48% 99%,45% 94%,2% 4%);
}

.opening-envelope__flap::before {
  background:
    repeating-linear-gradient(7deg,transparent 0 6px,rgba(104,76,43,.028) 7px 8px),
    radial-gradient(ellipse at 22% 34%,rgba(119,91,57,.05) 0 1px,transparent 1.5px) 0 0 / 17px 14px,
    linear-gradient(150deg,rgba(255,255,255,.52),transparent 44%),
    linear-gradient(180deg,#f7f1e4,#e5d9c4);
  filter: drop-shadow(0 4px 4px rgba(74,52,29,.12));
}

.opening-envelope__flap::after {
  border-color: rgba(118,105,71,.17);
  background:
    radial-gradient(circle at 24% 28%,transparent 0 15px,rgba(116,124,87,.16) 16px 17px,transparent 18px) 0 0 / 72px 62px,
    radial-gradient(circle at 76% 70%,transparent 0 12px,rgba(169,137,91,.14) 13px 14px,transparent 15px) 0 0 / 72px 62px,
    linear-gradient(145deg,#d8d5bd,#c9c7aa);
  box-shadow: inset 0 13px 24px rgba(79,70,48,.1);
}

.opening-envelope__seal {
  top: 49%;
  width: clamp(76px,9.5vw,94px);
  border-radius: 47% 53% 46% 54% / 52% 45% 55% 48%;
  background:
    radial-gradient(circle at 31% 24%,rgba(255,197,177,.4) 0 4%,transparent 5%),
    radial-gradient(circle at 44% 39%,#d04435 0%,#a51f19 56%,#70110f 100%);
  box-shadow:
    0 12px 18px rgba(81,20,15,.32),
    inset 4px 6px 9px rgba(255,184,159,.28),
    inset -6px -7px 10px rgba(70,8,8,.34),
    0 0 0 1px rgba(85,19,14,.28);
  color:#f4c3ad;
}

.opening-envelope__seal::before {
  inset: 11%;
  border: 2px ridge rgba(244,176,151,.46);
  box-shadow: inset 0 0 0 3px rgba(99,16,13,.22),0 0 0 2px rgba(112,18,14,.18);
}

.opening-envelope__seal::after {
  inset: -6px;
  border-color: rgba(141,29,21,.24);
  border-radius: 54% 46% 51% 49% / 47% 53% 45% 55%;
}

.opening-envelope__seal span {
  color:#efbca5;
  font: 400 clamp(1.45rem,2.8vw,1.95rem)/1 var(--font-script);
  letter-spacing:-.04em;
  text-shadow: 0 1px 0 rgba(92,14,12,.82),0 -1px 0 rgba(255,202,180,.2);
}

.opening-envelope__seal small {
  margin:0 .06em;
  font: inherit;
  font-size:.56em;
}

.opening-envelope__seal i {
  inset:20%;
  border:1px dotted rgba(246,185,159,.38);
}

.opening-envelope__hint {
  margin-top:clamp(1.15rem,2.2vh,1.65rem);
  padding:.64rem 1rem;
  border:1px solid rgba(99,85,62,.23);
  border-radius:999px;
  background:rgba(255,251,241,.78);
  box-shadow:0 8px 24px rgba(75,58,34,.09);
  color:#514b40;
  backdrop-filter:blur(7px);
}

.opening-envelope__hint:hover,
.opening-envelope__hint:focus-visible {
  border-color:rgba(119,58,42,.42);
  background:#fffaf0;
  color:#8f4031;
}

.opening-scene__skip {
  color:rgba(62,57,48,.72);
  border-color:rgba(72,65,53,.25);
  text-shadow:0 1px 8px rgba(255,252,243,.94);
}

.opening-scene__skip:hover,
.opening-scene__skip:focus-visible { color:#3e382f; border-color:rgba(72,65,53,.55); }

.opening-scene.is-opening .opening-envelope { transform:translateY(6%) rotate(-.15deg); }
.opening-scene.is-revealing .opening-envelope { transform:translateY(9%) rotate(0); filter:drop-shadow(0 24px 25px rgba(67,51,31,.22)); }

@media (max-width:620px) {
  .opening-scene__backdrop {
    background:
      linear-gradient(180deg,rgba(255,250,239,.13),rgba(244,232,210,.18)),
      url("../img/opening-mediterranean-watercolor-mobile-v1.png") center center / cover no-repeat;
  }
  .opening-scene__backdrop::before {
    background:linear-gradient(180deg,rgba(255,252,243,.08),transparent 58%,rgba(96,72,42,.08));
    box-shadow:inset 0 0 48px rgba(86,67,42,.08);
  }
  .opening-envelope-stage { width:min(100%,440px); transform:translateY(3vh); }
  .opening-envelope__prelude {
    width:90%;
    margin-bottom:1rem;
    color:#5b5549;
    font-size:.49rem;
  }
  .opening-envelope { aspect-ratio:1.36 / 1; }
  .opening-envelope__seal { width:76px; }
  .opening-envelope__hint { margin-top:1.05rem; }
  .opening-scene.is-revealing .opening-envelope__letter { transform:translateY(-42%) scale(1); }
}

@media (max-height:640px) and (min-width:621px) {
  .opening-envelope-stage { width:min(650px,70vw); transform:translateY(2vh); }
}

/* V5 — larger stationery and a deeper, hand-poured wax seal. */
.opening-envelope-stage {
  width: min(900px, 92vw);
}

.opening-envelope__seal {
  isolation: isolate;
  width: clamp(102px, 10.5vw, 122px);
  border-radius: 52% 48% 45% 55% / 47% 54% 46% 53%;
  background:
    radial-gradient(circle at 29% 22%, rgba(255, 185, 153, .7) 0 2.2%, transparent 3.5%),
    radial-gradient(circle at 38% 31%, rgba(239, 91, 67, .52) 0 8%, transparent 23%),
    radial-gradient(circle at 52% 48%, #c82720 0 38%, #a11917 66%, #690b0c 100%);
  box-shadow:
    0 16px 22px rgba(67, 12, 10, .35),
    0 4px 5px rgba(48, 9, 8, .3),
    inset 6px 8px 12px rgba(255, 145, 113, .34),
    inset -9px -10px 14px rgba(59, 3, 5, .5),
    0 0 0 1px rgba(85, 9, 9, .5);
  color: #730d0d;
}

.opening-envelope__seal::before {
  z-index: 1;
  inset: 10%;
  border: 2px solid rgba(103, 10, 10, .74);
  border-radius: 49% 51% 46% 54% / 52% 47% 53% 48%;
  box-shadow:
    0 1px 0 rgba(255, 135, 105, .26),
    inset 0 1px 2px rgba(255, 133, 104, .2),
    0 0 0 2px rgba(238, 74, 53, .13);
}

.opening-envelope__seal::after {
  z-index: -1;
  inset: -7px -6px -6px -8px;
  border: 0;
  border-radius: 45% 55% 49% 51% / 56% 44% 54% 46%;
  background:
    radial-gradient(circle at 22% 31%, #b41d18 0 11%, transparent 12%),
    radial-gradient(circle at 82% 27%, #8f1312 0 12%, transparent 13%),
    radial-gradient(circle at 76% 81%, #7a0d0e 0 12%, transparent 13%),
    radial-gradient(circle at 18% 76%, #a01615 0 13%, transparent 14%),
    #9b1715;
  box-shadow: inset 2px 3px 5px rgba(250, 101, 76, .22), 0 3px 3px rgba(57, 7, 7, .22);
  transform: rotate(7deg);
}

.opening-envelope__seal-art {
  position: relative;
  z-index: 3;
  display: block;
  width: 84%;
  height: 84%;
  overflow: visible;
  filter: drop-shadow(0 1px 0 rgba(244, 91, 69, .38)) drop-shadow(0 -1px 0 rgba(66, 4, 6, .46));
}

.opening-envelope__seal-ring,
.opening-envelope__seal-flourish {
  fill: none;
  stroke: #710b0c;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.opening-envelope__seal-ring {
  stroke-width: 1.7;
  opacity: .84;
}

.opening-envelope__seal-flourish {
  stroke-width: 2.3;
  opacity: .9;
}

.opening-envelope__seal-art text {
  fill: #68090a;
  stroke: rgba(237, 85, 63, .24);
  stroke-width: .6px;
  paint-order: stroke fill;
  font: 400 20px/1 var(--font-script);
  letter-spacing: -1px;
}

.opening-envelope__seal i {
  z-index: 2;
  inset: 18%;
  border-color: rgba(102, 7, 9, .55);
  transform: rotate(10deg);
}

@media (max-width:620px) {
  .opening-scene { padding: .7rem; }
  .opening-envelope-stage { width: min(100%, 500px); }
  .opening-envelope__seal { width: 92px; }
}

@media (max-height:640px) and (min-width:621px) {
  .opening-envelope-stage { width:min(760px,82vw); }
  .opening-envelope__seal { width:92px; }
}

/* V6 — the seal releases first, the flap finishes opening, then the card rises. */
.opening-envelope__letter {
  transition: transform 1.2s cubic-bezier(.2,.78,.22,1), box-shadow .9s ease;
}

.opening-envelope__letter::before,
.opening-envelope__letter::after {
  display: none;
}

.opening-envelope__flap {
  transition: transform 1.12s cubic-bezier(.52,.02,.16,1), z-index 0s .63s;
}

.opening-scene.is-unsealing .opening-envelope__seal {
  filter: brightness(1.08) saturate(1.08);
  transform: translate(-50%, -50%) rotate(-1deg) scale(.94);
}

.opening-scene.is-unsealing .opening-envelope__prelude {
  opacity: 0;
  pointer-events: none;
  transform: translateY(6px);
}

.opening-scene.is-unsealing,
.opening-scene.is-opening,
.opening-scene.is-hidden {
  pointer-events: none;
}

.opening-scene.is-opening .opening-envelope__flap {
  z-index: 2;
  transform: rotateX(-180deg);
}

.opening-scene.is-revealing .opening-envelope__letter {
  transition-delay: .05s;
}

/* V7 — imperfect poured wax with a crisp, embossed monogram. */
.opening-envelope__hint,
.opening-envelope__prelude {
  display: none !important;
}

.opening-envelope-stage {
  transform: translateY(2vh);
}

.opening-envelope__seal {
  width: clamp(108px, 11vw, 128px);
  border-radius: 47% 53% 44% 56% / 53% 45% 55% 47%;
  background:
    radial-gradient(circle at 29% 21%, rgba(255, 188, 157, .82) 0 1.5%, transparent 3%),
    radial-gradient(circle at 69% 72%, rgba(74, 3, 5, .28) 0 2%, transparent 3.5%),
    radial-gradient(circle at 24% 65%, rgba(255, 84, 61, .18) 0 2%, transparent 3.4%),
    radial-gradient(ellipse at 37% 31%, rgba(246, 98, 73, .66) 0 8%, rgba(211, 43, 34, .28) 20%, transparent 38%),
    radial-gradient(circle at 53% 49%, #c7221d 0 35%, #a41414 64%, #65080a 100%);
  box-shadow:
    0 17px 20px rgba(59, 8, 8, .38),
    0 4px 5px rgba(48, 5, 6, .34),
    inset 7px 9px 12px rgba(255, 132, 101, .38),
    inset -10px -11px 15px rgba(55, 2, 4, .58),
    inset 0 0 0 1px rgba(255, 106, 81, .16),
    0 0 0 1px rgba(75, 5, 7, .56);
}

.opening-envelope__seal::after {
  inset: -7px -8px -8px -7px;
  border-radius: 44% 56% 47% 53% / 53% 45% 55% 47%;
  clip-path: none;
  background:
    radial-gradient(circle at 31% 24%, rgba(237, 77, 57, .38), transparent 32%),
    linear-gradient(145deg, #bc201a 0%, #981311 57%, #72090b 100%);
  box-shadow:
    -8px -2px 0 -4px #a71815,
    -5px -8px 0 -5px #b61d18,
    4px -8px 0 -4px #ad1916,
    9px -3px 0 -5px #91100f,
    9px 6px 0 -5px #820c0d,
    2px 10px 0 -5px #790a0c,
    -7px 8px 0 -4px #8f1110,
    inset 3px 4px 7px rgba(255, 111, 83, .26),
    0 4px 5px rgba(52, 5, 6, .28);
  transform: rotate(-4deg);
}

.opening-envelope__seal::before {
  inset: 9%;
  border-color: rgba(94, 5, 7, .78);
  box-shadow:
    1px 2px 1px rgba(255, 102, 78, .22),
    -1px -1px 1px rgba(60, 2, 4, .5),
    inset 1px 1px 2px rgba(255, 118, 91, .2),
    0 0 0 2px rgba(230, 55, 42, .12);
}

.opening-envelope__seal-art {
  width: 86%;
  height: 86%;
  filter:
    drop-shadow(1px 1px 0 rgba(238, 76, 57, .48))
    drop-shadow(-1px -1px 0 rgba(58, 2, 4, .62));
}

.opening-envelope__seal-ring,
.opening-envelope__seal-flourish {
  stroke: #680709;
}

.opening-envelope__seal-art text {
  fill: #620608;
  stroke: rgba(234, 73, 55, .2);
}

@media (max-width:620px) {
  .opening-envelope-stage { transform: translateY(1vh); }
  .opening-envelope__seal { width: 98px; }
}

/* V8 — refined cotton-paper invitation and editorial type hierarchy. */
.opening-envelope__letter {
  top: 4%;
  left: 6.5%;
  width: 87%;
  height: 92%;
  padding: clamp(2.2rem, 4.6vw, 4rem) clamp(2rem, 5.2vw, 4.6rem) clamp(1.8rem, 3.8vw, 3.2rem);
  border: 1px solid rgba(139, 111, 76, .28);
  border-radius: 2px;
  background:
    radial-gradient(circle at 20% 18%, rgba(130, 97, 57, .055) 0 .65px, transparent .85px) 0 0 / 12px 12px,
    radial-gradient(circle at 74% 68%, rgba(255, 255, 255, .58) 0 .7px, transparent .95px) 0 0 / 15px 14px,
    repeating-linear-gradient(4deg, transparent 0 8px, rgba(123, 91, 55, .018) 9px 10px),
    linear-gradient(138deg, rgba(255, 255, 255, .72), transparent 42%),
    linear-gradient(155deg, #fffdf7 0%, #faf3e6 58%, #f5ead8 100%);
  box-shadow:
    0 20px 38px rgba(70, 48, 25, .2),
    0 3px 7px rgba(78, 55, 29, .12),
    inset 0 0 42px rgba(151, 116, 72, .045);
}

.opening-envelope__letter::before {
  display: block;
  inset: clamp(10px, 1.8vw, 17px);
  width: auto;
  height: auto;
  border: 1px solid rgba(163, 124, 82, .2);
  box-shadow: inset 0 0 0 3px rgba(255, 255, 255, .22);
}

.opening-envelope__letter::after {
  display: none;
}

.opening-envelope__letter-mark {
  position: relative;
  z-index: 1;
  display: flex;
  width: clamp(44px, 5.4vw, 54px);
  height: clamp(44px, 5.4vw, 54px);
  flex: 0 0 auto;
  flex-direction: column;
  justify-content: center;
  gap: 0;
  margin-bottom: clamp(.72rem, 1.3vw, 1rem);
  border: 1px solid rgba(160, 91, 68, .58);
  border-radius: 50%;
  background: rgba(255, 250, 241, .46);
  box-shadow: 0 0 0 3px rgba(180, 122, 92, .055), inset 0 0 12px rgba(180, 110, 82, .04);
  color: #9d5847;
  line-height: .78;
}

.opening-envelope__letter-mark b {
  font: 500 clamp(.61rem, 1vw, .75rem)/.78 var(--font-serif);
}

.opening-envelope__letter-mark i {
  margin: .08em 0;
  font: 500 clamp(.42rem, .68vw, .52rem)/.7 var(--font-serif);
}

.opening-envelope__letter p {
  position: relative;
  z-index: 1;
  margin: 0 0 clamp(.72rem, 1.3vw, 1rem);
  color: #a45f4e;
  font: 600 clamp(.53rem, .78vw, .66rem)/1 var(--font-sans);
  letter-spacing: .34em;
}

.opening-envelope__letter strong {
  position: relative;
  z-index: 1;
  max-width: 96%;
  color: #39413b;
  font-size: clamp(3rem, 6.4vw, 5.25rem);
  line-height: .82;
  letter-spacing: -.025em;
  text-shadow: 0 1px 0 rgba(255, 255, 255, .8);
}

.opening-envelope__letter-date {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: clamp(.65rem, 1.5vw, 1rem);
  margin-top: clamp(1rem, 2vw, 1.45rem);
  color: #4f554e;
  font-size: clamp(.65rem, 1.08vw, .82rem);
  letter-spacing: .18em;
}

.opening-envelope__letter-date::before,
.opening-envelope__letter-date::after {
  content: "";
  width: clamp(24px, 4vw, 42px);
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(143, 105, 72, .42));
}

.opening-envelope__letter-date::after {
  transform: rotate(180deg);
}

.opening-envelope__letter-place {
  position: relative;
  z-index: 1;
  margin-top: clamp(.55rem, 1vw, .75rem);
  color: #66736a;
  font-size: clamp(.52rem, .82vw, .64rem);
  letter-spacing: .25em;
}

.opening-envelope__letter-star {
  position: relative;
  z-index: 1;
  margin-top: clamp(.68rem, 1.3vw, .95rem);
  color: #ad6a55;
  font-size: .58rem;
  text-shadow: -12px 0 0 rgba(173, 106, 85, .24), 12px 0 0 rgba(173, 106, 85, .24);
}

@media (max-width:620px) {
  .opening-envelope__letter {
    top: 4%;
    left: 5%;
    width: 90%;
    height: 92%;
    padding: 1.25rem 1rem 1rem;
  }
  .opening-envelope__letter::before { inset: 8px; }
  .opening-envelope__letter-mark {
    width: 39px;
    height: 39px;
    margin-bottom: .55rem;
  }
  .opening-envelope__letter p {
    margin-bottom: .55rem;
    font-size: .46rem;
    letter-spacing: .28em;
  }
  .opening-envelope__letter strong {
    max-width: 100%;
    font-size: clamp(2.25rem, 10.8vw, 3.25rem);
  }
  .opening-envelope__letter-date {
    gap: .5rem;
    margin-top: .75rem;
    font-size: .58rem;
  }
  .opening-envelope__letter-date::before,
  .opening-envelope__letter-date::after { width: 20px; }
  .opening-envelope__letter-place {
    margin-top: .45rem;
    font-size: .46rem;
  }
  .opening-envelope__letter-star { margin-top: .5rem; }
}

/* V9 — photographed sealing wax with a precisely embossed vector monogram. */
.opening-envelope__seal {
  width: clamp(118px, 12vw, 140px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: url("../img/wax-seal-bm-monogram-v2.webp") center / contain no-repeat;
  box-shadow: none;
  filter: drop-shadow(0 13px 9px rgba(57, 16, 11, .34)) drop-shadow(0 3px 2px rgba(43, 8, 6, .24));
}

.opening-envelope__seal::before,
.opening-envelope__seal::after {
  content: none;
}

.opening-envelope__seal-art {
  width: 68%;
  height: 68%;
  opacity: .72;
  mix-blend-mode: multiply;
  filter:
    drop-shadow(1px 1px .35px rgba(246, 89, 66, .52))
    drop-shadow(-1px -1px .45px rgba(57, 2, 3, .8));
  transform: translateY(1%);
}

.opening-envelope__seal-ring { display: none; }
.opening-envelope__seal-flourish {
  stroke: #580406;
  stroke-width: 2.5;
  opacity: .64;
}
.opening-envelope__seal-art text {
  fill: #520305;
  stroke: rgba(246, 91, 67, .32);
  stroke-width: .65px;
  opacity: .88;
}
.opening-envelope__seal i { display: none; }

.opening-envelope__seal:hover,
.opening-envelope__seal:focus-visible {
  box-shadow: none;
  outline: none;
  filter: drop-shadow(0 15px 10px rgba(57, 16, 11, .38)) drop-shadow(0 3px 2px rgba(43, 8, 6, .26)) brightness(1.035);
}

.opening-scene.is-unsealing .opening-envelope__seal {
  filter: drop-shadow(0 11px 8px rgba(57, 16, 11, .3)) brightness(1.05) saturate(1.02);
}

@media (max-width:620px) {
  .opening-envelope__seal { width: 108px; }
}

/* V10 — original botanical B & M monogram inspired by the supplied reference. */
.opening-monogram-defs {
  position:absolute;
  width:0;
  height:0;
  overflow:hidden;
}
.opening-monogram__arc,
.opening-monogram__branch,
.opening-monogram__twig {
  fill:none;
  stroke:currentColor;
  stroke-width:1.55;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.opening-monogram__leaf { fill:currentColor; stroke:none; }
.opening-monogram__letter {
  fill:currentColor;
  stroke:none;
  font:400 47px/1 var(--font-serif);
}
.opening-monogram__letter--m { font-size:45px; }
.opening-monogram__ampersand {
  fill:currentColor;
  stroke:none;
  font:400 55px/1 var(--font-script);
}
.opening-envelope__letter-mark {
  display:block;
  width:clamp(68px,7vw,82px);
  height:auto;
  aspect-ratio:1;
  margin-bottom:clamp(.65rem,1.1vw,.9rem);
  border:0;
  border-radius:0;
  background:transparent;
  box-shadow:none;
  color:#a86b18;
  overflow:visible;
}
@media (max-width:620px) {
  .opening-envelope__letter-mark { width:58px; height:auto; }
}

.opening-language {
  position: absolute;
  z-index: 5;
  left: 50%;
  bottom: max(1rem, env(safe-area-inset-bottom));
  display: grid;
  justify-items: center;
  gap: .38rem;
  width: min(490px, calc(100vw - 2rem));
  padding: .55rem .8rem .6rem;
  border: 1px solid rgba(107, 91, 66, .18);
  border-radius: 18px;
  background: rgba(255, 252, 244, .78);
  box-shadow: 0 8px 24px rgba(63, 52, 34, .11);
  transform: translateX(-50%);
  -webkit-backdrop-filter: blur(9px);
  backdrop-filter: blur(9px);
}
.opening-language__label {
  color: #706858;
  font: 600 .55rem/1.2 var(--font-sans);
  letter-spacing: .16em;
  text-transform: uppercase;
}
.opening-language__options {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: .35rem;
  width: 100%;
}
.opening-language__options button {
  display: flex;
  min-height: 38px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .12rem;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  color: #625d51;
  cursor: pointer;
  font: 600 .62rem/1 var(--font-sans);
  letter-spacing: .08em;
  transition: background .2s ease, border-color .2s ease, color .2s ease;
}
.opening-language__options button span { font-size: .61rem; }
.opening-language__options button small { font-size: .46rem; font-weight: 500; letter-spacing: 0; }
.opening-language__options button:hover,
.opening-language__options button:focus-visible,
.opening-language__options button.is-active {
  border-color: rgba(150, 97, 76, .32);
  background: rgba(255, 255, 255, .72);
  color: #914f42;
  outline: none;
}
@media (max-width: 620px) {
  .opening-language { bottom: max(.75rem, env(safe-area-inset-bottom)); padding: .42rem .6rem .48rem; }
  .opening-language__options { gap: .18rem; }
  .opening-language__options button { min-height: 36px; font-size: .59rem; }
  .opening-language__options button small { font-size: .43rem; }
}