/* ============================================================
   Invitación XV · salvia / oliva
   Los colores se pueden cambiar desde js/config.js (tema)
   ============================================================ */

:root {
  --sage-900: #383a2e;
  --olive: #5b5d4b;
  --sage: #7f836b;
  --sage-300: #a7ab92;
  --sage-100: #d9dac9;
  --paper: #f4f0e6;
  --ink: #46483a;
  --muted: #7b7e69;
  --gold: #a98a46;
  --gold-light: #d6bd7b;

  --font-serif: "Cormorant Garamond", "Times New Roman", serif;
  --font-sans: "Jost", system-ui, -apple-system, "Helvetica Neue", sans-serif;
  --font-script: "Pinyon Script", "Snell Roundhand", cursive;

  /* Ancho de la tarjeta principal / sobre (se adapta al alto de la pantalla) */
  --w: min(78vw, 340px, calc((100dvh - 110px) / 1.5), calc(100dvh / 2.7));
  --col: min(100vw, 500px);

  --grain: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 .32  0 0 0 0 .3  0 0 0 0 .22  0 0 0 .5 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: auto; }
html.is-locked, body.is-locked { overflow: hidden; height: 100%; }
body {
  margin: 0;
  background: var(--sage);
  color: var(--ink);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
button { font: inherit; }

/* ---------- Fondo de satín ---------- */
.bg { position: fixed; inset: 0; z-index: -1; overflow: hidden; background: var(--sage); }
.bg__layer { position: absolute; inset: -8% 0; will-change: transform; }
.bg__satin { width: 100%; height: 100%; display: block; object-fit: cover; }
.bg__img { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: 0; transition: opacity .6s; }
.bg__img.is-on { opacity: 1; }
.bg__vignette { position: absolute; inset: 0; background: radial-gradient(120% 90% at 50% 40%, transparent 60%, rgba(40, 34, 20, .28)); }

/* ---------- Tipografía base ---------- */
.eyebrow { font: 500 .6rem/1.8 var(--font-sans); letter-spacing: .3em; text-transform: uppercase; color: var(--muted); margin: 0; }
.eyebrow--lg { font-size: .64rem; color: var(--ink); }
.eyebrow--light { color: rgba(244, 240, 230, .88); }
.display { font: 500 clamp(2rem, 9vw, 2.7rem)/1.05 var(--font-serif); color: var(--olive); margin: 0; }
.display--sm { font-size: clamp(1.8rem, 8vw, 2.3rem); }
.script { font: 400 2.8rem/1.1 var(--font-script); color: var(--olive); }
.script--md { font-size: 2.3rem; color: var(--gold); }
.small { font: 400 1.08rem/1.45 var(--font-serif); margin: 0; }
.small--muted { opacity: .68; }
.lead { font: 400 1.18rem/1.6 var(--font-serif); color: #5a5c4a; margin: 0; }
.center { text-align: center; }
.link { font: 400 .72rem var(--font-sans); letter-spacing: .08em; color: var(--muted); text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.hint { font: 500 .58rem var(--font-sans); letter-spacing: .3em; text-transform: uppercase; color: var(--olive); margin: 2.6rem 0 0; }

/* ---------- Papel rasgado ---------- */
.paper { position: relative; filter: drop-shadow(0 .5px 0 rgba(0, 0, 0, .1)) drop-shadow(0 12px 18px rgba(30, 32, 22, .3)); }
.paper__sheet {
  position: relative;
  background-color: var(--paper);
  background-image: var(--paper-img, none), var(--grain);
  background-size: cover, 220px;
  background-blend-mode: normal, multiply;
}
.paper--dark .paper__sheet { background-color: var(--olive); color: var(--sage-100); background-blend-mode: normal, soft-light; }
.paper--dark .eyebrow { color: var(--sage-300); }
.paper--dark .display { color: var(--paper); }
.paper--dark .small { color: var(--sage-100); }

.grain { position: absolute; inset: 0; pointer-events: none; background-image: var(--env-img, none), var(--grain); background-size: cover, 220px; mix-blend-mode: multiply; opacity: .9; }

/* ---------- Placeholder de imágenes ---------- */
.ph { position: relative; width: 100%; height: 100%; overflow: hidden; background: linear-gradient(140deg, var(--sage-300), var(--sage) 55%, var(--olive)); }
.ph img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.ph::after { display: none; }
.ph.is-missing::after {
  content: attr(data-label); display: grid; place-items: center; position: absolute; inset: 0; padding: .6rem; text-align: center;
  font: 500 .56rem/1.6 var(--font-sans); letter-spacing: .22em; text-transform: uppercase; color: rgba(244, 240, 230, .72);
  background:
    radial-gradient(circle at 50% 42%, transparent 0 14px, rgba(244, 240, 230, .5) 14px 15.5px, transparent 16px),
    repeating-linear-gradient(135deg, rgba(255, 255, 255, .05) 0 10px, transparent 10px 20px);
  padding-top: 5.2rem;
}

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .85rem 1.8rem; border: 1px solid var(--olive); border-radius: 999px; background: transparent; color: var(--olive);
  font: 500 .62rem/1 var(--font-sans); letter-spacing: .26em; text-transform: uppercase; text-decoration: none; cursor: pointer;
  transition: background .25s, color .25s, transform .25s;
}
.btn:hover { background: var(--olive); color: var(--paper); transform: translateY(-1px); }
.btn:active { transform: scale(.97); }
.btn--sm { padding: .62rem 1.2rem; font-size: .56rem; }
.btn--solid { background: var(--olive); color: var(--paper); }
.btn--solid:hover { background: var(--sage-900); }
.btn--light { color: var(--paper); border-color: rgba(244, 240, 230, .6); }
.btn--light:hover { background: var(--paper); color: var(--olive); }
.btn[disabled] { opacity: .5; pointer-events: none; }

/* ---------- Estructura ---------- */
main { position: relative; z-index: 1; width: var(--col); margin: 0 auto; }
.sec { padding: 4.5vh 0; }
.sec--stack { padding: 8vh 0 6vh; text-align: center; }
.sec--stack .eyebrow { color: var(--olive); }
.sec--stack .display { color: var(--sage-900); text-shadow: 0 1px 12px rgba(255, 250, 235, .5); margin-top: .3rem; }

.card { width: min(88%, 440px); margin: 0 auto; }
.card__body { display: flex; flex-direction: column; align-items: center; gap: 1.05rem; padding: 2.7rem 1.7rem 2.5rem; text-align: center; }
.card--photo .card__body { padding-top: 1.2rem; }
.card__photo { width: 100%; aspect-ratio: 5 / 4; margin-bottom: .6rem; }

/* Aparición al hacer scroll */
.rv { opacity: 0; transform: translateY(48px) rotate(var(--rot, 0deg)); transition: opacity .9s ease, transform 1.15s cubic-bezier(.2, .7, .2, 1); }
.rv.in { opacity: 1; transform: translateY(0) rotate(calc(var(--rot, 0deg) * .4)); }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 100dvh; display: grid; place-items: center; }
.is-locked .hero { visibility: hidden; }
.hero__card { will-change: transform, opacity; }
.hero__scroll { position: absolute; left: 50%; bottom: max(2.6vh, env(safe-area-inset-bottom)); transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: .6rem; color: var(--sage-900); font: 500 .56rem var(--font-sans); letter-spacing: .32em; text-transform: uppercase; opacity: 0; transition: opacity 1s .8s; text-shadow: 0 1px 8px rgba(255, 250, 235, .6); }
.is-ready .hero__scroll { opacity: .9; }
.hero__scroll i { width: 1px; height: 34px; background: linear-gradient(var(--sage-900), transparent); animation: drip 1.9s ease-in-out infinite; transform-origin: top; }

.polaroid { width: var(--w); aspect-ratio: 1 / 1.5; }
.polaroid .paper__sheet { height: 100%; display: flex; flex-direction: column; padding: calc(var(--w) * .06) calc(var(--w) * .06) 0; }
.polaroid__photo { flex: 1; min-height: 0; }
.polaroid__cap { flex: 0 0 27%; display: grid; align-content: center; justify-items: center; gap: .1rem; text-align: center; }
.polaroid__cap .eyebrow { font-size: calc(var(--w) * .03); letter-spacing: .3em; }
.polaroid__name { font-size: calc(var(--w) * .21); line-height: 1.05; color: var(--olive); }

/* ---------- Invitación ---------- */
.fam { display: grid; gap: .1rem; justify-items: center; }
.fam__name { font: 500 1.4rem/1.2 var(--font-serif); color: var(--ink); }
.amp { font: italic 400 1rem var(--font-serif); color: var(--gold); display: block; line-height: 1; }
.xv-title {
  margin: .1rem 0; font: 500 clamp(3.2rem, 16vw, 4.6rem)/1 var(--font-serif); letter-spacing: .01em;
  background: linear-gradient(115deg, #8a6f2f, var(--gold-light) 30%, var(--gold) 50%, #f0e1a8 64%, #9b7b36);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.guest { display: grid; gap: .15rem; justify-items: center; padding: .9rem 1.4rem; border-top: 1px solid rgba(169, 138, 70, .45); border-bottom: 1px solid rgba(169, 138, 70, .45); margin: .4rem 0; }
.guest__name { font: italic 500 1.5rem/1.2 var(--font-serif); color: var(--olive); }
.guest__pases { font: 500 .62rem var(--font-sans); letter-spacing: .26em; text-transform: uppercase; color: var(--gold); }
.sign { font-size: 2.6rem; margin-top: .2rem; }

.xvbig { height: 54vh; display: grid; place-items: center; overflow: hidden; }
.xvbig__txt {
  font: 500 min(46vw, 230px)/1 var(--font-serif); letter-spacing: .02em; will-change: transform;
  background: linear-gradient(115deg, #8a6f2f 0%, var(--gold-light) 24%, var(--gold) 44%, #f3e5b0 58%, #9b7b36 78%, var(--gold-light) 100%);
  background-size: 220% 100%; -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 6px 10px rgba(30, 25, 10, .28)); animation: foil 8s linear infinite;
}

/* ---------- Fecha ---------- */
.date { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: .9rem; width: 100%; }
.date__num { font: 500 clamp(4.6rem, 22vw, 6rem)/.9 var(--font-serif); color: var(--olive); }
.count { display: grid; grid-template-columns: repeat(4, 1fr); width: 100%; margin: .4rem 0; }
.count div { display: grid; gap: .15rem; justify-items: center; }
.count div + div { border-left: 1px solid rgba(70, 72, 58, .15); }
.count b { font: 500 2rem/1 var(--font-serif); color: var(--ink); font-variant-numeric: tabular-nums; }
.count span { font: 500 .52rem var(--font-sans); letter-spacing: .24em; text-transform: uppercase; color: var(--muted); }
.count__done { font: italic 500 1.5rem var(--font-serif); color: var(--olive); margin: 0; }

/* ---------- Pila de fotos ---------- */
.stack { position: relative; width: min(72%, 300px); aspect-ratio: 4 / 5.4; margin: 2.4rem auto 0; touch-action: pan-y; }
.stack__card { position: absolute; inset: 0; margin: 0; cursor: grab; touch-action: pan-y; user-select: none; -webkit-user-select: none; will-change: transform; }
.stack__card:active { cursor: grabbing; }
.stack__card .paper { height: 100%; }
.stack__sheet { height: 100%; padding: 9px; }
.stack__sheet .ph { pointer-events: none; }

/* ---------- Itinerario / columnas ---------- */
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; width: 100%; }
.cols--tight { margin: .2rem 0; }
.col { display: flex; flex-direction: column; align-items: center; gap: .45rem; padding: 0 .2rem; }
.col + .col { border-left: 1px solid rgba(70, 72, 58, .16); }
.col__time { font: 500 1.7rem/1 var(--font-serif); color: var(--olive); }

/* ---------- Dress code ---------- */
.ribbons { display: flex; justify-content: center; gap: 1.6rem; }
.ribbon { filter: drop-shadow(0 4px 4px rgba(30, 32, 22, .2)); text-align: center; }
.ribbon i {
  display: block; width: 26px; height: 86px; margin: 0 auto .55rem; transform-origin: top center;
  background: linear-gradient(90deg, rgba(255, 255, 255, .22), transparent 40%, rgba(0, 0, 0, .14)), var(--c);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 85%, 0 100%); animation: sway 4.5s ease-in-out infinite;
}
.ribbon:nth-child(2) i { animation-delay: -1.4s; }
.ribbon:nth-child(3) i { animation-delay: -2.8s; }
.ribbon span { font: 500 .52rem var(--font-sans); letter-spacing: .22em; text-transform: uppercase; color: var(--muted); }

/* ---------- Hospedaje / regalos ---------- */
.hotel, .gift { display: flex; flex-direction: column; align-items: center; gap: .45rem; width: 100%; padding: 1.1rem 0 .4rem; border-top: 1px solid rgba(70, 72, 58, .15); }
.hotel { border-top-color: rgba(244, 240, 230, .18); }
.hotel__name { font: 500 1.45rem/1.1 var(--font-serif); color: var(--paper); }

.gift__num { font: 500 1.45rem/1.2 var(--font-serif); letter-spacing: .06em; color: var(--ink); }
.ig { width: 34px; height: 34px; color: var(--olive); }

/* ---------- Fotos a pantalla completa ---------- */
.bleed { position: relative; height: 230vh; margin: 4vh 0; }
.bleed__sticky { position: sticky; top: 0; height: 100dvh; }
.bleed__frame { position: absolute; inset: 0; overflow: hidden; clip-path: inset(17% 12%); transform: rotate(-2.4deg); will-change: clip-path, transform; background: var(--sage); }
.bleed__img { position: absolute; inset: -8% 0; will-change: transform; transform: scale(1.1); }
.bleed__mat { position: absolute; inset: 0; pointer-events: none; box-shadow: inset 0 0 0 10px var(--paper); }
.bleed__shade { position: absolute; inset: 0; pointer-events: none; background: linear-gradient(to top, rgba(30, 32, 22, .62), transparent 46%); }
.bleed__cap { position: absolute; left: 0; right: 0; bottom: 13%; display: grid; justify-items: center; gap: .4rem; text-align: center; color: var(--paper); opacity: 0; padding: 0 2rem; }
.bleed__cap .eyebrow { color: rgba(244, 240, 230, .85); }
.bleed__title { margin: 0; font: italic 500 clamp(2.2rem, 11vw, 3rem)/1.05 var(--font-serif); text-shadow: 0 2px 14px rgba(0, 0, 0, .35); }

/* ---------- Confirmación ---------- */
.form { width: 100%; display: grid; gap: 1.15rem; margin-top: .3rem; }
.field { display: grid; gap: .1rem; }
.field input, .field select, .field textarea {
  width: 100%; background: transparent; border: 0; border-bottom: 1px solid rgba(70, 72, 58, .4); border-radius: 0; outline: 0;
  font: 500 1.2rem var(--font-serif); color: var(--ink); text-align: center; padding: .35rem 0; resize: none; appearance: none; -webkit-appearance: none;
}
.field input:focus, .field select:focus, .field textarea:focus { border-bottom-color: var(--gold); }
.field input.is-bad { border-bottom-color: #a4513c; }
.radios { display: grid; gap: .55rem; justify-content: center; text-align: left; }
.radios label { display: flex; align-items: center; gap: .7rem; cursor: pointer; font: 500 1.12rem var(--font-serif); }
.radios input { position: absolute; opacity: 0; pointer-events: none; }
.radios i { width: 15px; height: 15px; border-radius: 50%; border: 1px solid var(--olive); display: grid; place-items: center; flex: none; }
.radios i::after { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--gold); transform: scale(0); transition: transform .25s; }
.radios input:checked + i::after { transform: scale(1); }
.form [hidden] { display: none; }
.form__msg { margin: 0; font: italic 500 1.3rem var(--font-serif); color: var(--olive); }
.form.is-sent .btn--solid { opacity: .45; pointer-events: none; }

/* ---------- Cierre ---------- */
.closing { position: relative; height: 100dvh; overflow: hidden; margin-top: 6vh; }
.closing__img { position: absolute; inset: -10% 0; will-change: transform; transform: scale(1.15); }
.closing__shade { position: absolute; inset: 0; background: linear-gradient(to top, rgba(30, 32, 22, .78), rgba(30, 32, 22, .05) 55%, rgba(30, 32, 22, .25)); }
.closing__ribbon { position: absolute; left: 9%; top: 0; width: 26px; height: 42%; filter: drop-shadow(0 4px 5px rgba(0, 0, 0, .3)); }
.closing__txt { position: absolute; left: 0; right: 0; bottom: 11%; display: grid; justify-items: center; gap: .8rem; padding: 0 2rem; text-align: center; color: var(--paper); }
.closing__title { margin: 0; font: 500 clamp(2.2rem, 10.5vw, 3rem)/1.08 var(--font-serif); text-shadow: 0 2px 16px rgba(0, 0, 0, .4); }
.closing__sign { color: var(--paper); font-size: 3rem; text-shadow: 0 2px 12px rgba(0, 0, 0, .4); }
.credit { padding: 1.6rem 1rem 2.2rem; text-align: center; font: 500 .56rem var(--font-sans); letter-spacing: .26em; text-transform: uppercase; color: rgba(244, 240, 230, .7); background: var(--sage-900); }

/* ---------- Botón de música ---------- */
.music {
  position: fixed; z-index: 60; top: max(14px, env(safe-area-inset-top)); right: 14px;
  display: flex; align-items: center; gap: .5rem; padding: .5rem .85rem .5rem .7rem;
  border: 1px solid rgba(244, 240, 230, .55); border-radius: 999px; cursor: pointer;
  background: rgba(56, 58, 46, .5); color: var(--paper); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  font: 500 .54rem/1 var(--font-sans); letter-spacing: .26em; text-transform: uppercase; transition: opacity .6s .2s, background .25s;
}
.music[hidden] { display: none; }
.is-locked .music { opacity: 0; pointer-events: none; }
.music:hover { background: rgba(56, 58, 46, .7); }
.music__bars { display: inline-flex; align-items: flex-end; gap: 2px; height: 12px; }
.music__bars i { width: 2px; height: 100%; background: currentColor; transform: scaleY(.3); transform-origin: bottom; animation: bar 1s ease-in-out infinite paused; }
.music__bars i:nth-child(2) { animation-delay: -.35s; }
.music__bars i:nth-child(3) { animation-delay: -.7s; }
.music.is-playing .music__bars i { animation-play-state: running; }

/* ============================================================
   INTRO · sobre
   ============================================================ */
.intro { position: fixed; inset: 0; z-index: 50; display: grid; place-items: center; transition: opacity .7s ease; overflow: hidden; }
.intro.is-done { opacity: 0; pointer-events: none; }
.intro__top, .intro__hint { position: absolute; left: 0; right: 0; text-align: center; margin: 0; transition: opacity .5s; }
.intro__top { top: max(8vh, env(safe-area-inset-top)); }
.intro__hint { bottom: max(8vh, env(safe-area-inset-bottom)); animation: blink 2.6s ease-in-out infinite; }
.is-untie .intro__top, .is-untie .intro__hint { opacity: 0; animation: none; }

.env { position: relative; width: calc(var(--w) * 1.1); height: calc(var(--w) * 1.6); animation: float 5.5s ease-in-out infinite; }
.is-untie .env { animation: none; }

.env-part { position: absolute; inset: 0; transition: transform 1.35s cubic-bezier(.6, 0, .9, .5); }
.env-part > svg { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.is-exit .env-part { transform: translateY(calc(58vh + var(--w))) rotate(5deg); }

.env__back { z-index: 1; filter: drop-shadow(0 24px 28px rgba(25, 27, 18, .4)); }
.env__card { position: absolute; left: 50%; top: 50%; z-index: 3; width: var(--w); transform: translate(-50%, -50%) scale(.8); transition: transform 1.2s cubic-bezier(.4, 0, .2, 1); }
.is-rise .env__card { transform: translate(-50%, calc(-50% - var(--w) * .7)) scale(.8); }
.is-exit .env__card { transform: translate(-50%, -50%) scale(1); transition: transform 1.05s cubic-bezier(.3, .7, .2, 1) .45s; }

.env__front { z-index: 4; filter: drop-shadow(0 -2px 3px rgba(20, 22, 14, .28)); }
.env__front .grain { clip-path: polygon(0 0, 50% 55%, 100% 0, 100% 100%, 0 100%); }
.env__label { position: absolute; left: 0; right: 0; bottom: 7%; text-align: center; font: 400 calc(var(--w) * .1)/1 var(--font-script); color: rgba(244, 240, 230, .55); text-shadow: 0 1px 0 rgba(0, 0, 0, .18); }

.env__flapwrap { z-index: 6; perspective: 1500px; }
.flap-back .env__flapwrap { z-index: 2; }
.flap { position: absolute; left: 0; top: 0; width: 100%; height: 55%; transform-origin: 50% 0; transform-style: preserve-3d; transition: transform .95s cubic-bezier(.5, 0, .2, 1); }
.is-open .flap { transform: rotateX(-180deg); }
.flap__out, .flap__in { position: absolute; inset: 0; backface-visibility: hidden; -webkit-backface-visibility: hidden; }
.flap__in { transform: rotateX(180deg); }
.flap__out .grain { clip-path: polygon(0 0, 100% 0, 50% 100%); }
.flap__in .grain { clip-path: polygon(0 100%, 100% 100%, 50% 0); }
.flap__out svg, .flap__in svg { position: absolute; inset: 0; width: 100%; height: 100%; display: block; filter: drop-shadow(0 3px 3px rgba(20, 22, 14, .22)); }
.env__emboss { position: absolute; left: 0; right: 0; top: 12%; text-align: center; font: 400 calc(var(--w) * .3)/1 var(--font-script); color: rgba(0, 0, 0, .07); text-shadow: 1px 1px 0 rgba(255, 255, 255, .18), -1px -1px 0 rgba(0, 0, 0, .16); }

.seal {
  display: grid; place-items: center; width: calc(var(--w) * .21); aspect-ratio: 1; border-radius: 48% 52% 50% 50% / 52% 48% 52% 48%;
  background: radial-gradient(circle at 34% 30%, #ecd691, var(--gold) 46%, #6f5a26);
  box-shadow: 0 3px 7px rgba(0, 0, 0, .4), inset 0 0 0 calc(var(--w) * .012) rgba(255, 255, 255, .14), inset 0 -3px 6px rgba(0, 0, 0, .3);
}
.seal::before { content: ""; position: absolute; inset: 14%; border-radius: 50%; border: 1px solid rgba(70, 54, 18, .35); }
.seal b { position: relative; font: 400 calc(var(--w) * .12)/1 var(--font-script); color: rgba(63, 48, 16, .86); text-shadow: 0 1px 0 rgba(255, 236, 175, .55); }
.seal--flap { position: absolute; left: 50%; top: 100%; transform: translate(-50%, -50%); }
.seal--ribbon { position: absolute; left: 50%; top: 55.3%; transform: translate(-50%, -50%); animation: pulse 2.3s ease-out infinite; transition: transform .5s ease, opacity .45s ease; }

.env__ribbon { z-index: 7; pointer-events: none; transition-property: transform; }
.rb { transition: transform .85s cubic-bezier(.5, 0, .3, 1), opacity .7s ease; transform-box: fill-box; transform-origin: center; filter: drop-shadow(0 .6px .6px rgba(0, 0, 0, .3)); }
.is-untie .rb--loop-l { transform: scale(.1) rotate(-50deg); opacity: 0; }
.is-untie .rb--loop-r { transform: scale(.1) rotate(50deg); opacity: 0; }
.is-untie .rb--knot { transform: scale(0); opacity: 0; }
.is-untie .rb--tail-l { transform: translateY(24px) rotate(-20deg); opacity: 0; }
.is-untie .rb--tail-r { transform: translateY(24px) rotate(20deg); opacity: 0; }
.is-untie .rb--l { transform: translateX(-100%); opacity: 0; transition-delay: .3s; }
.is-untie .rb--r { transform: translateX(100%); opacity: 0; transition-delay: .3s; }
.is-untie .seal--ribbon { transform: translate(-50%, -50%) scale(1.3); opacity: 0; animation: none; }

/* Con textura real del sobre: la foto va de base y los polígonos solo aportan luces y sombras */
.has-env-tex .grain { z-index: 0; mix-blend-mode: normal; opacity: 1; background-image: var(--env-img); background-size: cover; background-position: center; }
.has-env-tex .env-part > svg, .has-env-tex .flap__in svg, .has-env-tex .flap__out svg { z-index: 1; }
.has-env-tex .env__back svg rect { fill: rgba(14, 17, 8, .58); }
.has-env-tex .env__front polygon:nth-of-type(1) { fill: rgba(14, 18, 8, .1); }
.has-env-tex .env__front polygon:nth-of-type(2) { fill: rgba(14, 18, 8, .17); }
.has-env-tex .env__front polygon:nth-of-type(3) { fill: rgba(255, 255, 240, .07); }
.has-env-tex .flap__out polygon { fill: rgba(255, 255, 240, .05); }
.has-env-tex .flap__in polygon { fill: rgba(255, 255, 240, .16); }
.has-env-tex .env__back .grain { background-position: 20% 40%; }
.has-env-tex .flap__in .grain { background-position: 80% 60%; }
.has-env-tex .env__label, .has-env-tex .env__emboss, .has-env-tex .seal { z-index: 2; }
.has-env-tex .env__label { color: rgba(244, 240, 220, .6); }

/* Listón de foto (recortado) */
.tie { position: absolute; left: 0; top: calc(var(--w) * .107); width: 100%; height: auto; display: block; transform-origin: 50% 40%;
  filter: drop-shadow(0 4px 3px rgba(18, 20, 8, .45)) drop-shadow(0 12px 12px rgba(18, 20, 8, .25));
  transition: transform 1.05s cubic-bezier(.45, 0, .8, .45), opacity .75s ease .2s; }
.is-untie .tie { transform: translateY(calc(var(--w) * .28)) scale(1.12) rotate(-2.5deg); opacity: 0; }

.env__hit { position: absolute; inset: -6%; z-index: 9; background: none; border: 0; cursor: pointer; -webkit-tap-highlight-color: transparent; }
.is-untie .env__hit { pointer-events: none; }

/* ---------- Intro con video del sobre ---------- */
.intro { --sw: min(100vw, calc(100dvh * .56426)); --sh: calc(var(--sw) / .56426); --u: calc(var(--sw) / 720); --D: calc(50dvh + var(--sh) / 2 + 24px); }
.vstage { position: relative; width: var(--sw); height: var(--sh); transition: transform 1.5s cubic-bezier(.6, 0, .9, .5); }
.vstage__video {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; pointer-events: none;
  -webkit-mask-image: linear-gradient(to bottom, transparent 0, #000 9%, #000 91%, transparent 100%), linear-gradient(to right, transparent 0, #000 4%, #000 96%, transparent 100%);
  -webkit-mask-composite: source-in;
  mask-image: linear-gradient(to bottom, transparent 0, #000 9%, #000 91%, transparent 100%), linear-gradient(to right, transparent 0, #000 4%, #000 96%, transparent 100%);
  mask-composite: intersect;
}
/* Región visible de la tarjeta = todo lo que queda por encima del bolsillo del sobre abierto (medido sobre el último cuadro del video) */
.vstage__clip {
  position: absolute; inset: 0;
  clip-path: polygon(-416.67% -235.1%, 555.56% -235.1%, 555.56% 38.56%, 92.78% 38.56%, 83.33% 41.3%, 53.47% 61.36%, 50% 62.15%, 46.53% 62.15%, 44.72% 62.46%, 13.47% 41.69%, 2.78% 38.95%, -416.67% 38.79%);
}
.vstage__card { position: absolute; left: 50%; top: 0; width: var(--w); transform-origin: 50% 0; transform: translate(-50%, calc(var(--u) * 800)) scale(.8); transition: transform 1.25s cubic-bezier(.4, 0, .2, 1); }
.is-vrise .vstage__card { transform: translate(-50%, calc(var(--u) * 150)) scale(.8); }
.is-vexit .vstage { transform: translateY(var(--D)) rotate(3deg); }
.is-vexit .vstage__card { transform: translate(-50%, calc(var(--sh) / 2 - var(--w) * .75 - var(--D))) scale(1); transition: transform 1.05s cubic-bezier(.3, .7, .2, 1) .45s; }

/* Textos del sobre sobre fondo claro */
.intro .eyebrow--light { color: var(--sage-900); text-shadow: 0 1px 8px rgba(255, 250, 235, .6); }

/* ---------- Animaciones ---------- */
@keyframes float { 50% { transform: translateY(-5px); } }
@keyframes pulse {
  0% { box-shadow: 0 3px 7px rgba(0, 0, 0, .4), inset 0 -3px 6px rgba(0, 0, 0, .3), 0 0 0 0 rgba(214, 189, 123, .6); }
  75%, 100% { box-shadow: 0 3px 7px rgba(0, 0, 0, .4), inset 0 -3px 6px rgba(0, 0, 0, .3), 0 0 0 18px rgba(214, 189, 123, 0); }
}
@keyframes blink { 50% { opacity: .35; } }
@keyframes drip { 0% { transform: scaleY(0); } 50% { transform: scaleY(1); } 100% { transform: scaleY(1); opacity: 0; } }
@keyframes foil { to { background-position: -220% 0; } }
@keyframes sway { 50% { transform: rotate(3.5deg); } }
@keyframes bar { 50% { transform: scaleY(1); } }

@media (prefers-reduced-motion: reduce) {
  .env, .xvbig__txt, .ribbon i, .seal--ribbon, .intro__hint, .hero__scroll i { animation: none; }
  .rv { transition-duration: .01s; }
}