/* =========================================================
   Aranza & Roberto · Save the Date
   Todas las posiciones están en % del lienzo de cada pantalla
   (medidas sobre /assets/ref). Los tamaños de texto usan cqw
   (1cqw = 1% del ancho del lienzo), así todo escala junto.
   ========================================================= */

@font-face {
  font-family: "Ateron";
  src: url("/assets/fonts/Ateron.woff2") format("woff2");
  font-display: swap;
}
@font-face {
  font-family: "Perfumery Script";
  src: url("/assets/fonts/PerfumeryScript.woff2?v=20260923141341") format("woff2");
  font-display: swap;
}

:root {
  --burgundy: #54101b;
  --cream: #e8dbcb;
  --ink: #000;
  --pink: #d9a9b1;         /* círculo de los radios (tono de ref-3) */
  --sat: env(safe-area-inset-top, 0px);
  --sab: env(safe-area-inset-bottom, 0px);
  --sal: env(safe-area-inset-left, 0px);
  --sar: env(safe-area-inset-right, 0px);
  --vh: 100vh;
  --fade: .7s;
  --ease: cubic-bezier(.65, 0, .35, 1);  /* misma curva en toda la apertura */
}
@supports (height: 100dvh) { :root { --vh: 100dvh; } }

*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--burgundy);
  color: var(--cream);
  overflow: hidden;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}
/* En la pantalla 1 el fondo del documento también es el fresco, para que las
   barras de Safari (arriba/abajo, notch) no se vean burgundy */
html.on-s1 { background: #2f2a24 url("/assets/optimized/fresco-vertical-900.webp") center / cover no-repeat; }
@media (orientation: landscape) {
  html.on-s1 { background-image: url("/assets/optimized/fresco.webp"); }
}
body { background: transparent; }
body {
  font-family: "Ateron", "Didot", "Bodoni 72", Georgia, serif;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

img { display: block; max-width: 100%; user-select: none; -webkit-user-select: none; -webkit-touch-callout: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; margin: 0; cursor: pointer; -webkit-tap-highlight-color: transparent; }
h1, h2, p { margin: 0; font-weight: 400; }

.script {
  font-family: "Perfumery Script", "Snell Roundhand", cursive;
  font-weight: 400;
  line-height: 1;
  white-space: nowrap;
}
.caps {
  font-family: "Ateron", Georgia, serif;
  text-transform: uppercase;
  letter-spacing: .12em;
  /* El letter-spacing apaga ligaduras en algunos navegadores: las forzamos */
  font-variant-ligatures: common-ligatures;
  font-feature-settings: "liga" 1, "kern" 1;
}

:focus { outline: none; }
:focus-visible { outline: 1px dashed currentColor; outline-offset: 3px; }

/* ---------- Toggle EN | ES ---------- */
.lang {
  position: fixed;
  z-index: 50;
  top: calc(var(--sat) + 10px);
  right: calc(var(--sar) + 12px);
  display: flex;
  align-items: center;
  gap: .35em;
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--cream);
  text-shadow: 0 0 6px rgba(40, 8, 14, .45);
}
.lang__btn {
  padding: 8px 4px;
  opacity: .55;
  letter-spacing: inherit;
  transition: opacity .25s;
}
.lang__btn[aria-pressed="true"] { opacity: 1; text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 1px; }
.lang__sep { opacity: .7; }

/* ---------- Pantallas ---------- */
.screen {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: var(--sat) var(--sar) var(--sab) var(--sal);
  background: var(--burgundy);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--fade) ease, visibility 0s linear var(--fade);
  overflow: hidden;
}
/* Safari (iPhone) pinta sus barras con el color de las capas fijas: solo la
   pantalla activa tiene fondo, y la 1 nunca (ahí se ve el fresco hasta la orilla) */
.screen:not(.is-active), .screen--1 { background: transparent; }
.screen.is-active {
  opacity: 1;
  visibility: visible;
  transition: opacity var(--fade) ease, visibility 0s;
  z-index: 2;
}

/* Lienzo: misma proporción que la referencia, cabe completo en el viewport */
.stage {
  position: relative;
  width: min(100%, calc((var(--vh) - var(--sat) - var(--sab)) * var(--ar)));
  aspect-ratio: var(--ar);
  container-type: inline-size;
}
.stage--1    { --ar: 1217 / 1343; }  /* ref-1 */
.stage--tall { --ar: 1224 / 2037; }  /* ref-2 (usado en 2, 3 y 4 para que "Go back" quede idéntico) */

.el { position: absolute; margin: 0; }
.el > img { width: 100%; height: auto; }
img.el { height: auto; }

/* ---------- Animaciones de entrada ---------- */
@keyframes rise {
  from { opacity: 0; transform: translateY(3.5cqw); }
  to   { opacity: 1; transform: none; }
}
@keyframes breathe {
  from { opacity: 0; transform: scale(.96); }
  to   { opacity: 1; transform: none; }
}
.anim, .anim-b { opacity: 0; }
.screen.play .anim   { animation: rise 1s var(--ease) var(--d, 0s) both; }
.screen.play .anim-b { animation: breathe 1.2s var(--ease) var(--d, .1s) both; }

/* =========================================================
   PANTALLA 1
   ========================================================= */
/* Apertura: una sola línea de tiempo (0s = toque)
   0.0–0.9s solapa · 0.3–1.6s zoom a la abertura · 1.0–1.6s velo burgundy
   1.4s entra la pantalla 2 encima (ver app.js) */
.screen--1 { display: block; padding: 0; }
.scene {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: var(--sat) var(--sar) var(--sab) var(--sal);
  transform-origin: var(--zx, 50%) var(--zy, 50%);
  will-change: transform;
}
.veil {
  position: absolute;
  inset: 0;
  z-index: 5;
  background: var(--burgundy);
  opacity: 0;
  pointer-events: none;
  will-change: opacity;
}
.screen--1.opening .scene { animation: zoom-in 1.3s var(--ease) .3s both; }
.screen--1.opening .veil  { animation: veil-in .6s var(--ease) 1s both; }
@keyframes zoom-in { from { transform: scale(1); } to { transform: scale(6); } }
@keyframes veil-in { from { opacity: 0; } to { opacity: 1; } }
/* La pantalla 2 entra encima con fondo transparente mientras el velo termina */
.screen.handoff { background: transparent; z-index: 3; }

.bg { position: absolute; inset: 0; }
.bg img { width: 100%; height: 100%; object-fit: cover; }

.p1-title {
  left: 0; right: 0;
  top: 6.9%;
  text-align: center;
  font-size: 9.8cqw;
  color: var(--cream);
  text-shadow: 0 0 1.5cqw rgba(30, 20, 20, .25);
}
.p1-cta {
  left: 0; right: 0;
  top: 53.6%;
  text-align: center;
  font-size: max(2.55cqw, 11px);
  letter-spacing: .1em;
  color: var(--cream);
  text-shadow: 0 0 1cqw rgba(30, 20, 20, .5);
}

/* Sobre en capas (marco común de 1448×1086 de los PNG) */
.env {
  left: 21.8%;
  top: 14.6%;
  width: 55.8%;
  aspect-ratio: 1448 / 1086;
  display: block;
}
.env__beat {
  position: absolute;
  inset: 0;
  display: block;
  perspective: 170cqw;
  animation: beat 2.4s ease-in-out 1.4s infinite;
}
.env.is-open .env__beat { animation-play-state: paused; } /* se congela sin brinco */
@keyframes beat {
  0%, 60%, 100% { transform: scale(1); }
  18% { transform: scale(1.028); }
  32% { transform: scale(1.004); }
  44% { transform: scale(1.02); }
}
.screen.play .env.is-open ~ .p1-cta { animation: fade-out .4s var(--ease) both; }
@keyframes fade-out { from { opacity: 1; } to { opacity: 0; } }
.env__layer { position: absolute; inset: 0; width: 100%; height: 100%; }
/* UN solo fresco continuo (como en la pantalla 2): un rectángulo virtual que va
   desde la punta de la solapa abierta (-69.05% del alto del sobre) hasta el fondo
   del forro (88%), 98% de ancho. La solapa y el interior muestran cada uno su parte. */
.env__liner {
  position: absolute;
  left: 5.5%;
  top: 8%;
  width: 89%;
  height: 80%;
  overflow: hidden;
}
.fresco-v { position: absolute; max-width: none; object-fit: cover; object-position: 50% 50%; }
.env__liner .fresco-v { left: -4.94%; width: 110.11%; top: -96.31%; height: 196.31%; }

.flap {
  position: absolute;
  left: 1.1%;
  top: 6.45%;
  width: 98%;
  height: 75.5%;
  transform-origin: 50% 0;
  transform-style: preserve-3d;
  transition: transform .9s var(--ease);
  will-change: transform;
  z-index: 2;
}
.env.is-open .flap { transform: rotateX(180deg); }
.flap__front, .flap__back {
  position: absolute;
  inset: 0;
  display: block;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}
.flap__front img, .flap__paper { width: 100%; height: 100%; }
.flap__back { transform: rotateY(180deg); }
.flap__paper { position: absolute; inset: 0; filter: brightness(.985); } /* cara interior: papel crema */
/* Forro de la solapa: su parte del mismo fresco, con la forma de la solapa y orilla crema */
.flap__lining {
  position: absolute;
  inset: 0;
  display: block;
  overflow: hidden;
  -webkit-mask: url("/assets/optimized/solapa.webp") 50% 10% / 90% 94% no-repeat;
  mask: url("/assets/optimized/solapa.webp") 50% 10% / 90% 94% no-repeat;
}
/* Girada 180° para que al abrir la solapa quede derecha y alineada con el interior */
.flap__art { position: absolute; inset: 0; display: block; transform: rotate(180deg); }
.flap__art .fresco-v { left: 0; width: 100%; top: 0; height: 208.01%; }

/* Sello pegado a la punta de la solapa */
.seal {
  position: absolute;
  left: 40.25%;
  top: 74.5%;
  width: 19.5%;
  height: auto;
  transform: translateZ(1px);
  filter: drop-shadow(0 .4cqw .5cqw rgba(40, 10, 10, .35));
}

/* =========================================================
   PANTALLA 2
   ========================================================= */
.p2-envelope { left: 20.8%; top: 6.2%; width: 59%; z-index: 1; }
.p2-swan     { left: 49.7%; top: 15.1%; width: 43.2%; z-index: 2; }
.p2-heart    { left: -0.8%; top: 35.5%; width: 55.4%; z-index: 3; }
.p2-stamp1   { left: 19.93%; top: 58.32%; width: 15.03%; z-index: 4; }
.p2-stamp2   { left: 31.7%; top: 65.39%; width: 18.63%; z-index: 5; }
/* Estampillas: caen desde arriba, grandes y giradas, y se "estampan" (pas, pas) */
.screen.play .stamp { animation: stamp .55s var(--d, 0s) both; transform-origin: 50% 60%; }
.stamp { cursor: pointer; }
/* Al tocarla se vuelve a estampar (sin esperar) */
.screen.play .stamp.restamp { animation: stamp-tap .55s both; }
@keyframes stamp-tap {
  0%   { opacity: 1; transform: translateY(-6cqw) scale(1.55) rotate(-9deg); animation-timing-function: cubic-bezier(.55, 0, .9, .45); }
  55%  { opacity: 1; transform: translateY(0) scale(.93) rotate(1.5deg); animation-timing-function: cubic-bezier(.2, .7, .3, 1); }
  75%  { opacity: 1; transform: scale(1.03) rotate(-.6deg); }
  100% { opacity: 1; transform: none; }
}
@keyframes stamp {
  0%   { opacity: 0; transform: translateY(-6cqw) scale(1.55) rotate(-9deg); animation-timing-function: cubic-bezier(.55, 0, .9, .45); }
  55%  { opacity: 1; transform: translateY(0) scale(.93) rotate(1.5deg); animation-timing-function: cubic-bezier(.2, .7, .3, 1); }
  75%  { transform: scale(1.03) rotate(-.6deg); }
  100% { opacity: 1; transform: none; }
}
.p2-frame    { left: 48.69%; top: 42.22%; width: 47.71%; z-index: 6; }
.p2-angel    { left: 40.8%; top: 82.6%; width: 25.82%; z-index: 10; pointer-events: none; } /* recargado sobre el botón */

.heart { display: block; width: 100%; }
.heart img { width: 100%; height: auto; }
.shaker { position: relative; }
.shaker.shake { animation: shake .6s cubic-bezier(.36, .07, .19, .97); }
@keyframes shake {
  10%, 90% { transform: translateX(-.4cqw) rotate(-1deg); }
  20%, 80% { transform: translateX(.7cqw) rotate(1.5deg); }
  30%, 50%, 70% { transform: translateX(-1cqw) rotate(-2deg); }
  40%, 60% { transform: translateX(1cqw) rotate(2deg); }
}
.heart__date {
  position: absolute;
  left: 54.4%;
  top: 50.4%;
  transform: translate(-50%, -50%);
  width: 72%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .32em;
  text-align: center;
  font-size: max(2.95cqw, 9px);
  letter-spacing: .075em;
  line-height: 1;
  color: var(--cream);
  pointer-events: none;
}
.heart__date span { text-wrap: balance; }
.heart__date[data-small] { font-size: max(2.7cqw, 9px); line-height: 1.12; }

.frame { display: block; width: 100%; }
.frame img { width: 100%; height: auto; }

.music {
  left: 88.4%;
  top: 43.1%;
  width: 6cqw;
  z-index: 8;
  padding: .6cqw;
  opacity: .55;
  transition: opacity .3s;
}
.music img { width: 100%; height: auto; }
.music.is-playing { opacity: 1; }
.music.is-playing img { animation: note 1.6s ease-in-out infinite; }
@keyframes note {
  0%, 100% { transform: translateY(0) rotate(-6deg); }
  50% { transform: translateY(-.6cqw) rotate(6deg); }
}

.share {
  left: 52.2%;
  top: 91.3%;
  transform: translateX(-50%);
  min-width: 25%;
  z-index: 9;
  padding: .95cqw 2cqw;
  border: 1px solid var(--cream);
  font-size: max(1.1cqw, 9px);
  letter-spacing: .13em;
  white-space: nowrap;
  color: var(--cream);
}
.screen.play .share { animation-name: rise-x; }
@keyframes rise-x {
  from { opacity: 0; transform: translate(-50%, 3.5cqw); }
  to   { opacity: 1; transform: translate(-50%, 0); }
}
.share span, .goback span { text-decoration: none; }

/* "Go back": misma posición exacta en pantallas 2, 3 y 4 */
.goback {
  left: 5.6%;
  top: 94.1%;
  width: 12.7%;
  z-index: 9;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.5cqw;
  padding-top: 0;
  font-size: max(1.85cqw, 10px);
  letter-spacing: .1em;
  white-space: nowrap;
  color: var(--cream);
}
.goback span { margin-left: 12%; }
.goback img { width: 100%; height: auto; }

/* =========================================================
   PANTALLA 3 · FORMULARIO
   Unidad --u: 1cqw del lienzo (en celular se redefine)
   ========================================================= */
.stage--form { --u: 1cqw; }

.card-wrap {
  position: absolute;
  left: 26.8%;
  top: 27.6%;       /* un poquito más arriba que ref-3 (29.1%) */
  width: 47.3%;
  min-height: 41.5%;
  display: grid;   /* la tarjeta llena la altura mínima en ambos idiomas */
}
.tray {
  position: absolute;
  z-index: -1;
  width: 207.2%;
  max-width: none;
  left: -54.5%;
  top: -26.79cqw;   /* charola al 11.5% del lienzo; fija aunque la tarjeta crezca */
  height: auto;
  pointer-events: none;
  filter: drop-shadow(0 1cqw 2cqw rgba(0, 0, 0, .35));
}
.card {
  position: relative;
  width: 100%;
  background: var(--cream) url("/assets/optimized/tarjeta.webp") center / 100% 100% no-repeat;
  color: var(--ink);
  padding: calc(var(--u) * 3.3) calc(var(--u) * 4.4) calc(var(--u) * 1.3);
  display: flex;
  flex-direction: column;
  box-shadow: 0 .4cqw 1.6cqw rgba(0, 0, 0, .25);
}
.card .caps { letter-spacing: .1em; }

.card__title {
  font-size: calc(var(--u) * 8.9);
  line-height: .62;
  padding: calc(var(--u) * .5) 0 calc(var(--u) * .9);
  color: var(--burgundy);
  text-align: center;
  white-space: normal;
  margin: 0 auto;
  width: 90%;
}
.sep {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: calc(var(--u) * .6);
  margin: calc(var(--u) * .35) 0 calc(var(--u) * .6);
}
.sep span {
  flex: 0 1 calc(var(--u) * 13);
  height: 0;
  border-top: 1px solid var(--burgundy);
  opacity: .55;
  margin-top: calc(var(--u) * .45);
}
.sep img { width: calc(var(--u) * 2.9); height: auto; }
.sep--2 { margin: calc(var(--u) * 1.3) 0 calc(var(--u) * 1.3); }
.sep--2 span { flex-basis: calc(var(--u) * 14.5); }

.card__intro {
  font-size: calc(var(--u) * 1.6);
  line-height: 1.32;
  text-align: center;
  padding: 0 calc(var(--u) * 1.4);
  margin-bottom: calc(var(--u) * .9);
}

.field { margin-bottom: calc(var(--u) * 1.55); }
.field__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: .5em;
  margin-bottom: calc(var(--u) * .2);
}
.field label, .q legend { font-size: calc(var(--u) * 1.62); line-height: 1.15; }
.field label { flex: 0 0 auto; white-space: nowrap; }
.field__head .err { flex: 1 1 auto; min-width: 0; }
.card .q legend { letter-spacing: .075em; }
.field, .q { margin-left: calc(var(--u) * 1.6); margin-right: calc(var(--u) * -1.8); }

.card input[type="text"], .card input[type="tel"], .cc {
  width: 100%;
  height: calc(var(--u) * 2.5);
  border: 1px solid var(--burgundy);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  font-family: "Ateron", Georgia, serif;
  font-size: calc(var(--u) * 1.45);
  letter-spacing: .06em;
  padding: 0 calc(var(--u) * .8);
  margin: 0;
  -webkit-appearance: none;
  appearance: none;
  box-shadow: none;
}
.card input:focus { outline: none; box-shadow: inset 0 0 0 1px var(--burgundy); }
.card input.is-invalid { box-shadow: inset 0 0 0 1px var(--burgundy); background: rgba(84, 16, 27, .05); }

.phone { display: flex; gap: calc(var(--u) * .7); }
.cc {
  position: relative;
  flex: 0 0 auto;
  width: auto;
  min-width: calc(var(--u) * 7.2);
  display: flex;
  align-items: center;
  padding-right: calc(var(--u) * 1.9);
  white-space: nowrap;
}
.cc::after { /* flechita */
  content: "";
  position: absolute;
  right: calc(var(--u) * .75);
  top: 50%;
  width: calc(var(--u) * .5);
  height: calc(var(--u) * .5);
  border-right: 1px solid var(--burgundy);
  border-bottom: 1px solid var(--burgundy);
  transform: translateY(-70%) rotate(45deg);
}
.cc select {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
  font-size: 16px; /* evita zoom en iOS */
  -webkit-appearance: none;
  appearance: none;
}
.cc:focus-within { box-shadow: inset 0 0 0 1px var(--burgundy); }
.phone input { flex: 1 1 auto; min-width: 0; }

.q { border: 0; padding: 0; min-width: 0; position: relative; }
.q legend { padding: 0; margin-bottom: calc(var(--u) * .9); }
.radio {
  display: flex;
  align-items: center;
  gap: calc(var(--u) * 1.4);
  padding-left: calc(var(--u) * 3.1);
  min-height: calc(var(--u) * 2.25);
  font-size: calc(var(--u) * 1.6);
  cursor: pointer;
  position: relative;
}
.radio input { position: absolute; opacity: 0; width: 1px; height: 1px; margin: 0; pointer-events: none; }
.radio__dot {
  flex: 0 0 auto;
  width: calc(var(--u) * 1.25);
  height: calc(var(--u) * 1.25);
  border-radius: 50%;
  border: 1px solid var(--pink);
  background: transparent;
  position: relative;
  transition: background-color .2s;
}
.radio__dot::after {
  content: "";
  position: absolute;
  inset: 22%;
  border-radius: 50%;
  background: var(--pink);
  transform: scale(0);
  transition: transform .2s var(--ease);
}
.radio input:checked + .radio__dot::after { transform: scale(1); }
.radio input:focus-visible + .radio__dot { outline: 1px dashed var(--burgundy); outline-offset: 2px; }

.err {
  font-size: calc(var(--u) * 1.15);
  letter-spacing: .06em;
  color: var(--burgundy);
  font-style: italic;
  font-family: Georgia, serif;
  text-align: right;
  min-height: 0;
}
.err--block { display: block; text-align: left; padding-left: calc(var(--u) * 3.1); min-height: calc(var(--u) * 1.3); margin-top: calc(var(--u) * .15); }
.err--block:empty { min-height: 0; }

.hp { position: absolute !important; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden; }

.submit {
  align-self: center;
  margin-top: calc(var(--u) * 1.4);
  min-width: calc(var(--u) * 12.6);
  padding: calc(var(--u) * .7) calc(var(--u) * 1.8);
  background: var(--burgundy);
  color: var(--cream);
  border-radius: 0;
  font-size: calc(var(--u) * 1.7);
  letter-spacing: .08em;
  transition: opacity .2s;
}
.submit:disabled { opacity: .7; cursor: default; }
.status {
  font-family: Georgia, serif;
  font-style: italic;
  font-size: calc(var(--u) * 1.2);
  color: var(--burgundy);
  text-align: center;
  min-height: calc(var(--u) * 1.3);
  margin-top: calc(var(--u) * .5);
}
.status:empty { min-height: 0; margin: 0; }

/* =========================================================
   PANTALLA 4
   ========================================================= */
.p4-title {
  left: 0; right: 0;
  top: 21%;
  text-align: center;
  font-size: 19cqw;
  color: var(--cream);
}
.p4-line1, .p4-line2 {
  left: 0; right: 0;
  text-align: center;
  color: var(--cream);
  white-space: nowrap;
}
.p4-line1 { top: 34%; font-size: max(3.4cqw, 10px); letter-spacing: .1em; }
.p4-line2 { top: 60.2%; font-size: max(2.95cqw, 10px); letter-spacing: .1em; }
.p4-dogs  { left: 22.6%; top: 36.4%; width: 54.7%; }
.p4-fly   { left: 44.8%; top: 64%; width: 10.4%; }
.screen--4 .anim-b:nth-child(1) { --d: .05s; }
.screen--4 .anim-b:nth-child(2) { --d: .2s; }
.screen--4 .anim-b:nth-child(3) { --d: .35s; }
.screen--4 .anim-b:nth-child(4) { --d: .5s; }
.screen--4 .anim-b:nth-child(5) { --d: .65s; }

/* =========================================================
   CELULAR EN HORIZONTAL: pantallas 2–4 con el layout vertical y scroll
   ========================================================= */
@media (orientation: landscape) and (max-height: 540px) and (pointer: coarse) {
  .screen--scroll-land {
    place-items: start center;
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
  }
  .screen--scroll-land .stage { width: min(100%, 440px); }
}

/* =========================================================
   PANTALLA 3 EN CELULAR (<600px) o celular horizontal:
   tarjeta al 90% del ancho, texto legible, charola detrás, con scroll
   ========================================================= */
/* DESACTIVADO (prueba: en celular la pantalla 3 se ve igual que ref-3).
   Para volver a activarlo, cambia "not all" por: (max-width: 599px), (orientation: landscape) and (max-height: 540px) and (pointer: coarse) */
@media not all {
  .screen--3 {
    display: block;
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
  }
  .screen--3 .stage {
    --u: 2.3vw;
    width: 100%;
    aspect-ratio: auto;
    container-type: normal;
    padding: 64px 0 28px;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100%;
  }
  .screen--3 .card-wrap {
    position: relative;
    left: auto; top: auto;
    width: 90vw;
    min-height: 0;
    margin: 12vw 0 14vw;
  }
  .screen--3 .tray {
    width: 207.2%;
    left: -54.5%;
    top: 50%;
    transform: translateY(-50%);
    filter: none;
  }
  .screen--3 .card { padding: 9vw 6.5vw 6vw; box-shadow: 0 4px 18px rgba(0,0,0,.25); }
  .screen--3 .card__title { font-size: 12.4vw; width: 88%; }
  .screen--3 .sep img { width: 7vw; }
  .screen--3 .sep span { flex-basis: 28vw; margin-top: 1.1vw; }
  .screen--3 .card__intro,
  .screen--3 .field label,
  .screen--3 .q legend,
  .screen--3 .radio { font-size: 13px; }
  .screen--3 .radio { min-height: 36px; padding-left: 4vw; gap: 3.5vw; }
  .screen--3 .radio__dot { width: 16px; height: 16px; }
  .screen--3 .card input[type="text"],
  .screen--3 .card input[type="tel"],
  .screen--3 .cc { height: 44px; font-size: 16px; padding: 0 12px; }
  .screen--3 .cc { min-width: 92px; padding-right: 28px; }
  .screen--3 .cc::after { right: 12px; width: 7px; height: 7px; }
  .screen--3 .phone { gap: 8px; }
  .screen--3 .field { margin-bottom: 18px; }
  .screen--3 .field, .screen--3 .q { margin-left: 0; margin-right: 0; }
  .screen--3 .field__head { margin-bottom: 6px; }
  .screen--3 .q legend { margin-bottom: 8px; line-height: 1.45; }
  .screen--3 .err { font-size: 12px; }
  .screen--3 .err--block { padding-left: 4vw; min-height: 16px; }
  .screen--3 .err--block:empty { min-height: 0; }
  .screen--3 .sep--2 { margin: 18px 0 20px; }
  .screen--3 .submit { font-size: 15px; padding: 12px 34px; margin-top: 22px; }
  .screen--3 .status { font-size: 13px; min-height: 18px; }
  .screen--3 .goback {
    position: relative;
    left: auto; top: auto;
    align-self: flex-start;
    margin-left: 5.6vw;
    width: 12.7vw;
    min-width: 76px;
    font-size: 10px;
    gap: 6px;
  }
  .screen--3.kb-open .stage { padding-bottom: var(--kb, 0px); }
}
/* DESACTIVADO (prueba: en celular la pantalla 3 se ve igual que ref-3).
   Para volver a activarlo, cambia "not all" por: (orientation: landscape) and (max-height: 540px) and (pointer: coarse) */
@media not all {
  .screen--3 .stage { --u: 1.05vw; }
  .screen--3 .card-wrap { width: min(90vw, 440px); margin: 60px 0; }
  .screen--3 .card { padding: 36px 26px 24px; }
  .screen--3 .card__title { font-size: 52px; }
  .screen--3 .sep img { width: 28px; }
  .screen--3 .sep span { flex-basis: 110px; margin-top: 4px; }
}

/* ---------- Movimiento reducido ---------- */
@media (prefers-reduced-motion: reduce) {
  :root { --fade: .25s; }
  .screen.play .anim, .screen.play .anim-b, .screen.play .share { animation: fade-only .4s ease both !important; }
  .screen.play .share { transform: translateX(-50%); }
  @keyframes fade-only { from { opacity: 0; } to { opacity: 1; } }
  .env__beat, .music.is-playing img { animation: none !important; }
  .flap { transition: none; }
  .screen--1.opening .scene { animation: none; }
  .screen--1.opening .veil { animation: veil-in .4s linear both !important; }
  .shaker.shake { animation: none; }
}

/* Teclado abierto en tablet/compu con lienzo: permitir scroll */
.screen--3.kb-open { overflow-y: auto; place-items: start center; padding-bottom: calc(var(--sab) + var(--kb, 0px)); }

/* =========================================================
   PANTALLA 3 EN CELULAR VERTICAL: "zoom out" para ver la charola completa.
   Tarjeta más angosta y letra más chica; la charola cabe de ancho y se
   alarga un poco para rodear toda la tarjeta.
   ========================================================= */
/* DESACTIVADO (prueba: en celular la pantalla 3 se ve igual que ref-3).
   Para volver a activarlo, cambia "not all" por: (max-width: 599px) */
@media not all {
  /* La tarjeta queda dentro de la parte plateada: ocupa ~55% del ancho de la
     charola y del 18% al 82% de su alto */
  .screen--3 .card-wrap { width: 70vw; margin: 42vw 0 40vw; }
  .screen--3 .tray {
    width: 181.4%;          /* 127vw: el cuerpo de la charola llena el ancho, las asas se asoman */
    left: -40.7%;
    top: -28.1%;
    height: 156.25%;
    transform: none;
    object-fit: fill;
  }
  .screen--3 .card { padding: 6vw 5vw 5vw; }
  .screen--3 .card__title { font-size: 9.5vw; width: 100%; }
  .screen--3 .sep img { width: 5vw; }
  .screen--3 .sep span { flex-basis: 18vw; margin-top: .8vw; }
  .screen--3 .card__intro,
  .screen--3 .field label,
  .screen--3 .q legend,
  .screen--3 .radio { font-size: 10.5px; }
  .screen--3 .card__intro { padding: 0; margin-bottom: 10px; }
  .screen--3 .radio { min-height: 28px; padding-left: 1vw; gap: 2.5vw; }
  .screen--3 .radio__dot { width: 13px; height: 13px; }
  .screen--3 .card input[type="text"],
  .screen--3 .card input[type="tel"],
  .screen--3 .cc { height: 36px; font-size: 16px; padding: 0 8px; }
  .screen--3 .cc { min-width: 72px; padding-right: 20px; font-size: 13px; }
  .screen--3 .cc::after { right: 8px; width: 6px; height: 6px; }
  .screen--3 .phone { gap: 6px; }
  .screen--3 .field { margin-bottom: 12px; }
  .screen--3 .q legend { margin-bottom: 4px; line-height: 1.35; }
  .screen--3 .err { font-size: 10px; }
  .screen--3 .err--block { padding-left: 1vw; }
  .screen--3 .sep--2 { margin: 10px 0 12px; }
  .screen--3 .submit { font-size: 13px; padding: 9px 26px; margin-top: 14px; }
}

/* =========================================================
   PANTALLA 3 EN CELULAR VERTICAL: mismo layout que ref-3 pero un poco
   más grande (lienzo al 125% del ancho). Las asas de la charola se salen
   un poco por los lados y la pantalla permite scroll vertical.
   ========================================================= */
@media (max-width: 599px) {
  .screen--3 {
    place-items: start;
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
  }
  .screen--3 .stage {
    width: 125vw;
    max-width: none;
    margin-left: -12.5vw;
  }
  /* "Regresar" a 5.6vw de la orilla, igual que en las pantallas 2 y 4 */
  .screen--3 .goback { left: 14.5%; }
  /* Charola un poco más angosta (misma altura) para que se vean las asas */
  .screen--3 .tray {
    width: 169.13%;        /* 100vw */
    left: -35.52%;
    height: 152.3vw;
    object-fit: fill;
  }
}

/* En español los textos son más largos: un poco más compactos para que la
   tarjeta mida lo mismo que en inglés y nada se mueva al cambiar de idioma */
html[lang="es"] .card .q legend,
html[lang="es"] .card .radio { font-size: calc(var(--u) * 1.5); }
html[lang="es"] .card .q legend { letter-spacing: .06em; }
html[lang="es"] .card .radio { min-height: calc(var(--u) * 2.05); letter-spacing: .07em; }
html[lang="es"] .card__intro { margin-bottom: calc(var(--u) * .6); }