/* Estructura común a todos los temas. Los colores y tipografías vienen del tema. */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
[hidden] { display: none !important; }
body {
  margin: 0;
  min-height: 100svh;
  background: var(--papel);
  color: var(--tinta);
  font-family: var(--f-texto);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
button { font: inherit; color: inherit; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--oro); outline-offset: 3px; border-radius: 6px; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- capa de pétalos ---------- */
#petalos { position: fixed; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 1; }

/* ---------- página del evento ---------- */
.evento {
  position: relative;
  z-index: 2;
  max-width: 30rem;
  margin: 0 auto;
  padding: max(2.25rem, env(safe-area-inset-top)) 1.25rem calc(2rem + env(safe-area-inset-bottom));
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  text-align: center;
}

.encabezado { padding-top: 1.5rem; }
.monograma {
  width: 3.25rem; height: 3.25rem; margin: 0 auto 1.25rem;
  display: grid; place-items: center;
  border: 1px solid var(--oro); border-radius: 50%;
  font-family: var(--f-titulos); font-size: .95rem; letter-spacing: .04em; color: var(--oro);
}
.nombres {
  margin: 0;
  font-family: var(--f-nombres);
  font-weight: 400;
  font-size: clamp(3.4rem, 17vw, 4.6rem);
  line-height: 1.05;
  color: var(--tinta);
}
.fecha {
  margin: 1rem 0 0;
  font-family: var(--f-titulos);
  font-size: 1.05rem;
  letter-spacing: .02em;
}
.lugar { margin: .15rem 0 0; color: var(--tinta-suave); font-size: .95rem; }
.ramita { display: block; width: 7rem; height: auto; margin: 1.5rem auto; color: var(--oro); }
.mensaje { margin: 0 auto; max-width: 22rem; color: var(--tinta-suave); font-size: 1.02rem; line-height: 1.6; }

/* ---------- acciones ---------- */
.acciones { margin-top: auto; padding-top: 2rem; display: grid; gap: .9rem; }
.aviso-terminos { margin: 0; font-size: .78rem; color: var(--tinta-suave); text-align: center; }

.campo-nombre { display: grid; gap: .35rem; text-align: left; }
.campo-nombre label { font-size: .88rem; color: var(--tinta-suave); padding-left: .25rem; }
.campo-nombre input {
  width: 100%; padding: .8rem 1rem; border-radius: 14px;
  border: 1px solid color-mix(in srgb, var(--tinta) 18%, transparent);
  background: color-mix(in srgb, var(--papel) 70%, white);
  font: inherit; color: var(--tinta);
}
.campo-nombre input:focus { outline: none; border-color: var(--oro); box-shadow: 0 0 0 3px color-mix(in srgb, var(--oro) 22%, transparent); }

.boton-camara {
  position: relative;
  display: flex; align-items: center; justify-content: center; gap: .7rem;
  width: 100%; min-height: 4.25rem; padding: 1rem 1.25rem;
  border: 0; border-radius: 999px;
  background: var(--tinta); color: var(--papel);
  font-size: 1.15rem; font-weight: 600; letter-spacing: .01em;
  cursor: pointer;
  box-shadow: 0 10px 28px -12px color-mix(in srgb, var(--tinta) 70%, transparent);
  transition: transform .15s ease;
}
.boton-camara:active { transform: scale(.97); }
.boton-camara svg { width: 1.6rem; height: 1.6rem; }
.boton-camara::after {
  content: ''; position: absolute; inset: 4px; border-radius: inherit;
  border: 1px solid color-mix(in srgb, var(--oro) 65%, transparent);
  pointer-events: none;
}
.boton-galeria {
  justify-self: center;
  padding: .7rem 1.2rem; border: 0; background: none; cursor: pointer;
  color: var(--tinta); font-size: 1rem; font-weight: 500;
  text-decoration: underline; text-decoration-color: color-mix(in srgb, var(--oro) 70%, transparent);
  text-underline-offset: 5px;
}

.contador {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  margin: 1.25rem auto 0; padding: .6rem 1.1rem;
  border-radius: 999px; background: var(--salvia);
  font-size: .95rem; text-decoration: none; color: var(--tinta);
  transition: transform .3s ease;
}
.contador strong { font-weight: 600; font-size: 1.05rem; font-variant-numeric: tabular-nums; }
.contador.latido { animation: latido .6s ease; }
@keyframes latido { 40% { transform: scale(1.08); } }

/* ---------- foto de portada ---------- */
.portada {
  display: block; width: min(68%, 15rem); aspect-ratio: 4 / 5; margin: 0 auto 1.4rem;
  object-fit: cover; border-radius: 999px 999px 18px 18px; /* arco */
  border: 3px solid var(--papel);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--oro) 70%, transparent), 0 18px 40px -20px rgba(0,0,0,.45);
}

/* marcos de la foto principal (panel → Página → Marco) */
.portada[data-marco="circulo"] { aspect-ratio: 1; border-radius: 50%; }
.portada[data-marco="ovalo"] { border-radius: 50%; }
.portada[data-marco="rectangulo"] { border-radius: 14px; }
.portada[data-marco="polaroid"] {
  border: 0; border-radius: 2px; padding: 10px 10px 36px; background: #fbfaf6;
  box-shadow: 0 16px 34px -18px rgba(0,0,0,.5), 0 1px 3px rgba(0,0,0,.15);
  transform: rotate(-2deg);
}
.portada[data-marco="ninguno"] {
  width: calc(100% + 2.5rem); max-width: none; aspect-ratio: 4 / 3;
  margin: calc(-1 * (max(2.25rem, env(safe-area-inset-top)) + 1.5rem)) -1.25rem 1.6rem;
  border: 0; border-radius: 0; box-shadow: none;
}

/* ---------- invitación personalizada ---------- */
.saludo { margin-top: 1.8rem; padding: 1.3rem 1.2rem; border-radius: 20px; border: 1px solid color-mix(in srgb, var(--oro) 45%, transparent); }
.saludo-para { margin: 0; font-size: .85rem; color: var(--tinta-suave); }
.saludo-nombre { margin: .2rem 0 .5rem; font-family: var(--f-nombres); font-size: 2.2rem; line-height: 1.15; }
.saludo-texto { margin: 0; color: var(--tinta-suave); line-height: 1.55; }
.saludo-mesa {
  display: inline-block; margin: .9rem 0 0; padding: .45rem 1.1rem; border-radius: 999px;
  background: var(--salvia); color: var(--tinta); font-size: 1rem;
}
.saludo-mesa b { font-family: var(--f-titulos); font-weight: 400; font-size: 1.15em; }
.saludo-texto b { color: var(--tinta); font-weight: 600; }
.tarjeta-para { margin-top: .7rem; font-size: .78rem; letter-spacing: .04em; color: var(--tinta-suave); }

.seccion-titulo { margin: 0 0 .9rem; font-family: var(--f-titulos); font-weight: 400; font-size: 1.35rem; }

/* ---------- confirmación de asistencia ---------- */
.rsvp { margin-top: 2.2rem; text-align: left; }
.rsvp .seccion-titulo, .rsvp-nota { text-align: center; }
.rsvp-nota { margin: -.4rem 0 1rem; font-size: .9rem; color: var(--tinta-suave); }
#form-rsvp { display: grid; gap: .9rem; }
.rsvp-campo { display: grid; gap: .35rem; font-size: .88rem; color: var(--tinta-suave); }
.rsvp-campo input, .rsvp-campo textarea {
  width: 100%; padding: .8rem 1rem; border-radius: 14px;
  border: 1px solid color-mix(in srgb, var(--tinta) 18%, transparent);
  background: color-mix(in srgb, var(--papel) 70%, white);
  font: inherit; color: var(--tinta); resize: vertical;
}
.rsvp-campo input:focus, .rsvp-campo textarea:focus { outline: none; border-color: var(--oro); box-shadow: 0 0 0 3px color-mix(in srgb, var(--oro) 22%, transparent); }
.rsvp-opciones { display: grid; grid-template-columns: 1fr 1fr; gap: .6rem; }
.rsvp-opcion {
  padding: 1rem .5rem; border-radius: 16px; cursor: pointer;
  border: 1px solid color-mix(in srgb, var(--tinta) 18%, transparent);
  background: color-mix(in srgb, var(--papel) 70%, white); color: var(--tinta);
  font-weight: 500; font-size: 1rem; transition: all .2s;
}
.rsvp-opcion[aria-checked="true"] { background: var(--tinta); color: var(--papel); border-color: var(--tinta); }
.rsvp-personas { display: flex; align-items: center; justify-content: space-between; gap: 1rem; font-size: .95rem; }
.contador-personas { display: flex; align-items: center; gap: .3rem; padding: .25rem; border-radius: 999px; background: var(--salvia); }
.contador-personas button { width: 2.6rem; height: 2.6rem; border: 0; border-radius: 50%; background: var(--papel); font-size: 1.3rem; cursor: pointer; }
.contador-personas button:disabled { opacity: .35; cursor: default; }
.contador-personas output { min-width: 2rem; text-align: center; font-weight: 600; font-size: 1.15rem; }
.rsvp-error { min-height: 1.2em; margin: 0; text-align: center; color: var(--cera); font-size: .9rem; }
.rsvp-gracias { padding: 1.4rem 1.2rem; border-radius: 22px; background: var(--salvia); text-align: center; }
.rsvp-gracias p { margin: 0; }
.rsvp-gracias-titulo { font-family: var(--f-titulos); font-size: 1.25rem; margin-bottom: .3rem !important; }
.rsvp-gracias .boton-galeria { margin-top: .6rem; }

/* ---------- lugares ---------- */
.lugares { margin-top: 2.2rem; }
.lugar-tarjeta { margin-bottom: 1rem; padding: 1.1rem; border-radius: 20px; background: color-mix(in srgb, var(--salvia) 60%, transparent); text-align: center; }
.lugar-titulo { margin: 0; font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; color: var(--oro); font-weight: 600; }
.lugar-nombre { margin: .25rem 0 0; font-family: var(--f-titulos); font-size: 1.2rem; }
.lugar-hora { margin: .15rem 0 0; font-weight: 500; }
.lugar-direccion { margin: .3rem 0 0; font-size: .9rem; color: var(--tinta-suave); }
.lugar-tarjeta iframe { display: block; width: 100%; height: 11rem; margin-top: .9rem; border: 0; border-radius: 14px; background: var(--salvia); }
.lugar-botones { display: flex; gap: .5rem; justify-content: center; margin-top: .9rem; flex-wrap: wrap; }
.lugar-botones a {
  display: inline-flex; align-items: center; gap: .4rem; padding: .65rem 1rem; border-radius: 999px;
  background: var(--tinta); color: var(--papel); text-decoration: none; font-size: .92rem; font-weight: 500;
}
.lugar-botones a.secundario { background: none; color: var(--tinta); border: 1px solid color-mix(in srgb, var(--tinta) 25%, transparent); }

/* ---------- cuenta regresiva ---------- */
.cuenta { margin-top: 2rem; }
.cuenta-mensaje { margin: 0 0 .9rem; font-family: var(--f-titulos); font-size: 1.1rem; }
.cuenta-numeros { display: grid; grid-template-columns: repeat(4, 1fr); gap: .5rem; }
.cuenta-numeros div {
  display: grid; gap: .1rem; padding: .8rem 0 .7rem; border-radius: 16px;
  background: color-mix(in srgb, var(--salvia) 70%, transparent);
  border: 1px solid color-mix(in srgb, var(--oro) 35%, transparent);
}
.cuenta-numeros strong { font-family: var(--f-titulos); font-weight: 400; font-size: 2rem; line-height: 1.1; font-variant-numeric: tabular-nums; }
.cuenta-numeros span { font-size: .78rem; letter-spacing: .06em; text-transform: uppercase; color: var(--tinta-suave); }
.cuenta-pie { margin: .9rem 0 0; color: var(--tinta-suave); font-size: .92rem; }

/* ---------- vista previa del anfitrión (página sin activar) ---------- */
.vista-previa {
  position: sticky; top: 0; z-index: 30;
  padding: .55rem 1rem calc(.55rem); text-align: center;
  background: var(--oro); color: white; font-size: .88rem; line-height: 1.35;
}

.cerrado {
  margin-top: auto; padding: 1.5rem 1.25rem; border-radius: 22px;
  background: var(--salvia); color: var(--tinta);
}
.cerrado p { margin: 0; }
.cerrado p + p { margin-top: .4rem; color: var(--tinta-suave); font-size: .95rem; }

/* ---------- bandeja de subidas ---------- */
.bandeja {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 20;
  padding: .75rem 1rem calc(.75rem + env(safe-area-inset-bottom));
  background: color-mix(in srgb, var(--papel) 92%, transparent);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid color-mix(in srgb, var(--tinta) 10%, transparent);
  transform: translateY(110%); transition: transform .35s cubic-bezier(.2,.8,.2,1);
}
.bandeja.visible { transform: none; }
.bandeja-titulo { margin: 0 0 .5rem; font-size: .9rem; color: var(--tinta-suave); text-align: left; max-width: 30rem; margin-inline: auto; }
.bandeja-lista { display: flex; gap: .6rem; overflow-x: auto; padding: .15rem; max-width: 30rem; margin: 0 auto; scrollbar-width: none; }
.bandeja-lista::-webkit-scrollbar { display: none; }

.subida { position: relative; flex: 0 0 auto; width: 4.25rem; height: 4.25rem; border-radius: 14px; overflow: hidden; background: var(--salvia); }
.subida img { width: 100%; height: 100%; object-fit: cover; }
.subida .velo { position: absolute; inset: 0; background: color-mix(in srgb, var(--tinta) 45%, transparent); display: grid; place-items: center; transition: opacity .3s; }
.subida .anillo { width: 2.1rem; height: 2.1rem; transform: rotate(-90deg); }
.subida .anillo circle { fill: none; stroke-width: 3; }
.subida .anillo .pista { stroke: color-mix(in srgb, var(--papel) 35%, transparent); }
.subida .anillo .avance { stroke: var(--papel); stroke-linecap: round; transition: stroke-dashoffset .2s; }
.subida.lista .velo { opacity: 0; }
.subida .marca { position: absolute; right: 4px; bottom: 4px; width: 1.35rem; height: 1.35rem; border-radius: 50%; display: grid; place-items: center; font-size: .8rem; opacity: 0; transform: scale(.4); transition: all .3s cubic-bezier(.3,1.6,.5,1); }
.subida.lista .marca { opacity: 1; transform: none; background: var(--tinta); color: var(--papel); }
.subida.revision .marca { opacity: 1; transform: none; background: var(--oro); color: white; }
.subida.error .velo { opacity: 1; background: color-mix(in srgb, var(--cera) 70%, transparent); }

/* borrador sin pagar */
.marca-borrador {
  position: fixed; inset: -50%; z-index: 55; pointer-events: none; overflow: hidden; /* encima del sobre (50) */
  transform: rotate(-28deg);
  font: 600 1.35rem/3.4rem var(--f-texto, sans-serif); letter-spacing: .18em; word-spacing: .4em;
  color: color-mix(in srgb, var(--tinta) 16%, transparent);
  text-align: center; overflow-wrap: anywhere;
  user-select: none; -webkit-user-select: none;
}

/* música de fondo */
.musica {
  position: fixed; right: max(1rem, env(safe-area-inset-right)); top: max(1rem, env(safe-area-inset-top)); z-index: 15;
  width: 2.9rem; height: 2.9rem; border: 0; border-radius: 50%; cursor: pointer;
  display: grid; place-items: center;
  background: color-mix(in srgb, var(--papel) 88%, transparent); color: var(--tinta);
  box-shadow: 0 6px 18px -8px rgba(0,0,0,.35);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.musica svg { width: 1.3rem; height: 1.3rem; }
.musica:not(.sonando)::after { content: ''; position: absolute; width: 1.7rem; height: 2px; background: currentColor; transform: rotate(-45deg); border-radius: 2px; }
.musica.esperando { animation: musica-late 1.8s ease-in-out infinite; }
.musica.sonando svg { animation: musica-gira 3s ease-in-out infinite; }
@keyframes musica-late { 50% { transform: scale(1.12); box-shadow: 0 0 0 8px color-mix(in srgb, var(--oro) 25%, transparent); } }
@keyframes musica-gira { 50% { transform: rotate(-8deg) translateY(-1px); } }

/* foto que vuela hacia el contador */
.vuelo {
  position: fixed; z-index: 30; pointer-events: none;
  border-radius: 12px; object-fit: cover;
  box-shadow: 0 12px 30px -8px rgba(0,0,0,.35);
  border: 3px solid white;
}

/* avisos */
.aviso {
  position: fixed; left: 50%; top: max(1rem, env(safe-area-inset-top)); z-index: 40;
  width: min(26rem, calc(100% - 2rem));
  padding: .9rem 1.1rem; border-radius: 16px;
  background: var(--tinta); color: var(--papel);
  font-size: .95rem; text-align: left;
  box-shadow: 0 14px 34px -14px rgba(0,0,0,.5);
  transform: translate(-50%, -140%); transition: transform .4s cubic-bezier(.2,.9,.2,1);
}
.aviso.visible { transform: translate(-50%, 0); }
.aviso.dorado { background: var(--oro); color: white; }

/* ---------- entrada: sobre con sello ---------- */
.intro {
  position: fixed; inset: 0; z-index: 50;
  display: grid; place-items: center;
  background: var(--fondo-intro);
  transition: opacity .9s ease, visibility .9s;
  perspective: 1200px;
}
.intro.fuera { opacity: 0; visibility: hidden; }
.intro-saltar {
  position: absolute; top: max(1rem, env(safe-area-inset-top)); right: 1rem;
  padding: .5rem .9rem; border: 0; border-radius: 999px; cursor: pointer;
  background: rgba(255,255,255,.08); color: rgba(255,255,255,.75); font-size: .9rem;
}
.intro-pista {
  position: absolute; bottom: calc(12svh + env(safe-area-inset-bottom)); left: 0; right: 0;
  margin: 0; text-align: center; color: rgba(255,255,255,.7);
  font-family: var(--f-titulos); font-size: 1rem; letter-spacing: .03em;
  animation: respira 2.4s ease-in-out infinite;
}
@keyframes respira { 50% { opacity: .45; } }
.intro.abriendo .intro-pista, .intro.abriendo .intro-saltar { opacity: 0; transition: opacity .3s; }

.sobre {
  position: relative;
  width: min(80vw, 22rem); aspect-ratio: 1.45;
  transform-style: preserve-3d;
  /* llega y luego flota suavemente mientras espera el toque */
  animation: llega 1s cubic-bezier(.2,.8,.2,1) both, flota 5s ease-in-out 1s infinite;
}
@keyframes llega { from { transform: translateY(30px) rotate(-4deg); opacity: 0; } }
@keyframes flota { 50% { transform: translateY(-6px) rotate(-.6deg); } }
/* sombra en el "piso", para que se sienta que flota */
.sobre::before {
  content: ''; position: absolute; left: 8%; right: 8%; bottom: -14%; height: 10%;
  border-radius: 50%; background: rgba(0,0,0,.35); filter: blur(10px);
  transition: opacity .6s;
}

/* Geometría: la punta de la solapa, la "V" del frente y el centro del sello
   caen en el mismo punto (--punta), así el sello queda centrado en la unión. */
.sobre { --punta: 54%; }
.sobre-fondo, .sobre-frente, .sobre-solapa { position: absolute; inset: 0; }
.sobre-fondo { background: color-mix(in srgb, var(--sobre) 84%, black); border-radius: 6px; }
.sobre-frente {
  z-index: 3; border-radius: 6px;
  background: var(--sobre);
  clip-path: polygon(0 0, 50% var(--punta), 100% 0, 100% 100%, 0 100%);
  box-shadow: 0 20px 40px -18px rgba(0,0,0,.6);
}
/* solapas de los lados y de abajo, con su sombra */
.sobre-frente::before, .sobre-frente::after { content: ''; position: absolute; inset: 0; }
.sobre-frente::before {
  background:
    linear-gradient(to right, color-mix(in srgb, var(--sobre) 95%, black), transparent 50%, color-mix(in srgb, var(--sobre) 95%, black));
  clip-path: polygon(0 0, 50% var(--punta), 100% 0, 100% 100%, 50% var(--punta), 0 100%);
}
.sobre-frente::after {
  background: linear-gradient(to top, color-mix(in srgb, var(--sobre) 92%, black), color-mix(in srgb, var(--sobre) 98%, black));
  clip-path: polygon(0 100%, 50% var(--punta), 100% 100%);
  filter: drop-shadow(0 -1px 1px rgba(0,0,0,.08));
}
.sobre-solapa {
  z-index: 4; height: var(--punta);
  transform-origin: top center;
  transform-style: preserve-3d;
}
.sobre-solapa::before, .sobre-solapa::after {
  content: ''; position: absolute; inset: 0;
  clip-path: polygon(0 0, 100% 0, 50% 100%);
  backface-visibility: hidden;
}
.sobre-solapa::before { background: linear-gradient(to bottom, color-mix(in srgb, var(--sobre) 93%, black), var(--sobre)); }
.sobre-solapa::after { background: linear-gradient(to top, color-mix(in srgb, var(--sobre) 86%, black), color-mix(in srgb, var(--sobre) 94%, black)); transform: rotateY(180deg) rotateZ(180deg); }

.tarjeta {
  position: absolute; z-index: 2; left: 6%; right: 6%; top: 7%; height: 86%;
  border-radius: 4px; background: var(--papel);
  box-shadow: 0 2px 10px rgba(0,0,0,.12);
  display: grid; place-content: center; text-align: center; padding: 1rem;
  transition: transform 1s cubic-bezier(.3,.8,.25,1), box-shadow 1s;
}
/* filete dorado, como invitación impresa */
.tarjeta::after {
  content: ''; position: absolute; inset: 7px; border-radius: 2px; pointer-events: none;
  border: 1px solid color-mix(in srgb, var(--oro) 55%, transparent);
}
.tarjeta-nombres { font-family: var(--f-nombres); font-size: clamp(2rem, 10vw, 2.8rem); line-height: 1.1; color: var(--tinta); }
.tarjeta-fecha { margin-top: .4rem; font-family: var(--f-titulos); font-size: .85rem; color: var(--tinta-suave); }

/* El sello va centrado en la punta de la solapa. Al abrir se despega entero (nunca se
   rompe: en una boda un sello partido se puede leer como mal augurio). */
.sello {
  position: absolute; z-index: 6; left: 50%; top: var(--punta);
  width: 4.6rem; height: 4.6rem; margin: -2.3rem 0 0 -2.3rem;
  border: 0; padding: 0; cursor: pointer; background: none;
  animation: late 2.6s ease-in-out 1.2s infinite;
}
@keyframes late { 0%, 70%, 100% { transform: scale(1); } 80% { transform: scale(1.07); } 90% { transform: scale(.98); } }
.sello svg { width: 100%; height: 100%; overflow: visible; filter: drop-shadow(0 4px 6px rgba(0,0,0,.35)); }
.sello-texto { font-family: var(--f-titulos); fill: color-mix(in srgb, var(--cera) 55%, white); }

/* 1) el sello se despega y la solapa se abre */
/* al tocar, el sobre queda quieto en su lugar (aunque no haya terminado de llegar) */
.intro.abriendo .sobre { animation: none; }
.intro.abriendo .sobre::before { opacity: .5; }
.intro.abriendo .sello { animation: despega .8s cubic-bezier(.3,.6,.35,1) forwards; cursor: default; }
/* se levanta (crece un poco y su sombra se aleja) y luego sube desvaneciéndose */
@keyframes despega {
  0% { transform: none; opacity: 1; }
  35% { transform: translateY(-8px) scale(1.12); opacity: 1; }
  100% { transform: translateY(-46px) scale(1.04); opacity: 0; }
}
.intro.abriendo .sello svg { filter: drop-shadow(0 14px 12px rgba(0,0,0,.3)); transition: filter .3s; }
.intro.abriendo .sobre-solapa { animation: abre-solapa .9s cubic-bezier(.45,0,.25,1) .45s both; }
/* a la mitad del giro la solapa pasa detrás de la tarjeta (sin brincos) */
@keyframes abre-solapa {
  0% { transform: rotateX(0); z-index: 4; }
  50% { z-index: 4; }
  51% { z-index: 1; }
  100% { transform: rotateX(180deg); z-index: 1; }
}
/* 2) la tarjeta sale del sobre */
.intro.sacando .tarjeta { transform: translateY(-58%); }
/* 3) el sobre baja y se desvanece; la tarjeta pasa al frente */
.intro.mostrando .tarjeta { transform: translateY(-14%) scale(1.14); box-shadow: 0 30px 60px -25px rgba(0,0,0,.6); }
.intro.mostrando .sobre-fondo, .intro.mostrando .sobre-frente, .intro.mostrando .sobre-solapa {
  opacity: 0; transform: translateY(40%);
  transition: opacity .7s ease, transform .9s cubic-bezier(.5,0,.75,0);
}
.intro.mostrando .sobre::before { opacity: 0; }

/* Con "reducir movimiento": nada se desplaza ni gira, todo se desvanece. */
@media (prefers-reduced-motion: reduce) {
  .sobre, .sello { animation: none; }
  .intro.abriendo .sello { animation: none; opacity: 0; transition: opacity .4s; }
  .intro.abriendo .sobre-solapa { animation: none; opacity: 0; transition: opacity .5s; }
  .intro.sacando .tarjeta, .intro.mostrando .tarjeta { transform: none; }
  .intro.mostrando .sobre-fondo, .intro.mostrando .sobre-frente { transform: none; transition: opacity .6s; }
}

/* ---------- galería ---------- */
.galeria-cabecera {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: max(.75rem, env(safe-area-inset-top)) 1rem .75rem;
  background: color-mix(in srgb, var(--papel) 90%, transparent);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.galeria-nombres { margin: 0; font-family: var(--f-nombres); font-weight: 400; font-size: 2.1rem; line-height: 1.1; }
.galeria-total { margin: 0; font-size: .9rem; color: var(--tinta-suave); }
.boton-subir {
  flex: 0 0 auto; display: inline-flex; align-items: center; gap: .45rem;
  padding: .7rem 1.05rem; border-radius: 999px; text-decoration: none;
  background: var(--tinta); color: var(--papel); font-weight: 600; font-size: .95rem;
}
.boton-subir svg { width: 1.15rem; height: 1.15rem; }

.mosaico { columns: 2; column-gap: .5rem; padding: .5rem .5rem 3rem; max-width: 72rem; margin: 0 auto; }
@media (min-width: 40rem) { .mosaico { columns: 3; } }
@media (min-width: 64rem) { .mosaico { columns: 4; } }
.mosaico button {
  position: relative; display: block; width: 100%; margin: 0 0 .5rem; padding: 0; border: 0; cursor: zoom-in;
  border-radius: 10px; overflow: hidden; background: var(--salvia); break-inside: avoid;
}
.mosaico img { width: 100%; height: auto; opacity: 0; transition: opacity .5s ease; }
.mosaico img.cargada { opacity: 1; }
.mosaico .nueva { animation: aparece .8s cubic-bezier(.2,.8,.2,1); }
@keyframes aparece { from { transform: scale(.85); opacity: 0; } }

.vacio { max-width: 22rem; margin: 18svh auto 0; padding: 0 1.25rem; text-align: center; }
.vacio p { margin: 0 0 1.25rem; color: var(--tinta-suave); font-size: 1.05rem; }

.visor {
  position: fixed; inset: 0; z-index: 60; display: none;
  background: rgba(14, 20, 17, .96);
  touch-action: pan-y;
}
.visor.abierto { display: grid; grid-template-rows: auto 1fr auto; }
.visor-barra { position: relative; display: flex; justify-content: flex-end; align-items: center; gap: .5rem; padding: max(.6rem, env(safe-area-inset-top)) .6rem .6rem; }
.visor-compartir {
  display: inline-flex; align-items: center; gap: .45rem; margin-right: auto;
  height: 2.75rem; padding: 0 1.05rem; border: 0; border-radius: 999px;
  background: rgba(255,255,255,.14); color: white; font-weight: 600; font-size: .95rem; cursor: pointer;
}
.visor-compartir svg { width: 1.2rem; height: 1.2rem; }
.visor-compartir:disabled { opacity: .55; }
.compartir-menu {
  position: absolute; left: .6rem; top: calc(100% - .2rem); z-index: 2;
  display: grid; min-width: 13rem; padding: .35rem; border-radius: 14px;
  background: var(--papel); box-shadow: 0 14px 40px -10px rgba(0,0,0,.5);
}
.compartir-menu a { padding: .75rem .9rem; border-radius: 10px; color: var(--tinta); text-decoration: none; font-weight: 500; }
.compartir-menu a:hover, .compartir-menu a:focus-visible { background: var(--salvia); }
.visor-mensaje { margin: 0 auto .35rem; max-width: 34rem; color: white; font-size: 1.15rem; line-height: 1.4; overflow-wrap: anywhere; }
.visor-quien { margin: 0; }
.visor-nota {
  display: inline-flex; align-items: center; gap: .5rem; margin: .1rem 0 .5rem;
  padding: .55rem 1rem .55rem .7rem; border: 0; border-radius: 999px;
  background: rgba(255,255,255,.14); color: white; font-size: .9rem; cursor: pointer;
}
.visor-nota svg { width: 1.1rem; height: 1.1rem; }
.visor-nota.sonando { background: var(--oro); }
.mosaico-marca {
  position: absolute; right: 6px; bottom: 6px; width: 1.6rem; height: 1.6rem; border-radius: 50%;
  display: grid; place-items: center; font-size: .8rem; line-height: 1;
  background: rgba(255,255,255,.9); box-shadow: 0 2px 6px rgba(0,0,0,.2); pointer-events: none;
}
.visor-cerrar { width: 2.75rem; height: 2.75rem; border: 0; border-radius: 50%; background: rgba(255,255,255,.1); color: white; font-size: 1.5rem; cursor: pointer; }
.visor-foto { display: grid; place-items: center; min-height: 0; padding: 0 .5rem; }
.visor-foto img { max-width: 100%; max-height: 100%; object-fit: contain; border-radius: 6px; }
.visor-pie { padding: .8rem 1rem calc(1rem + env(safe-area-inset-bottom)); color: rgba(255,255,255,.8); text-align: center; font-size: .95rem; min-height: 3rem; }
.visor-nav { position: absolute; top: 50%; width: 3rem; height: 3rem; margin-top: -1.5rem; border: 0; border-radius: 50%; background: rgba(255,255,255,.1); color: white; font-size: 1.4rem; cursor: pointer; }
.visor-nav.prev { left: .5rem; } .visor-nav.next { right: .5rem; }
@media (hover: none) { .visor-nav { display: none; } }

.no-existe { max-width: 24rem; margin: 25svh auto 0; padding: 0 1.25rem; text-align: center; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .2s !important; transition-delay: 0s !important; }
}