/* Estilos compartidos de las invitaciones de muestra. Cada página define sus tokens en :root. */
[hidden]{display:none!important}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.6;
  padding-left:max(16px, env(safe-area-inset-left, 0px));padding-right:max(16px, env(safe-area-inset-right, 0px));
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
h1,h2,h3,p{margin:0}
h1,h2,h3{text-wrap:balance;font-family:var(--display);font-weight:var(--display-w,600)}
a{color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}

/* Barra de muestra */
.demo-bar{
  position:relative;z-index:30;margin-inline:calc(-1 * max(16px, env(safe-area-inset-left, 0px)));
  padding:calc(8px + env(safe-area-inset-top, 0px)) max(16px, env(safe-area-inset-right, 0px)) 8px max(16px, env(safe-area-inset-left, 0px));
  display:flex;flex-wrap:wrap;gap:6px 14px;align-items:center;justify-content:center;
  background:#0A0F1E;color:#E9EDF9;font:500 13px/1.4 "Plus Jakarta Sans",system-ui,sans-serif;text-align:center
}
.demo-bar b{color:#B3B0FF;font-weight:600}
.demo-bar a{color:#fff;font-weight:600;text-decoration:none;padding:4px 12px;border-radius:999px;background:#5B57EA}

.page{max-width:620px;margin:0 auto;padding-block:28px 64px;display:flex;flex-direction:column;gap:22px}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius,18px);padding:32px 26px;box-shadow:var(--shadow,0 18px 40px rgba(0,0,0,.08))}
.center{text-align:center}
.eyebrow{font:600 12px/1.3 var(--body);letter-spacing:.2em;text-transform:uppercase;color:var(--accent)}
.sec-title{font-size:clamp(1.7rem,6vw,2.2rem);line-height:1.15;margin-top:6px}
.muted{color:var(--muted)}
.lead{font-size:1.05rem;color:var(--muted);max-width:44ch;margin-inline:auto}

/* Detalles */
.details{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:22px}
.details div{display:flex;flex-direction:column;gap:2px;padding:14px 8px;border-radius:12px;background:var(--soft)}
.details dt{font:600 11px var(--body);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.details dd{margin:0;font-family:var(--display);font-size:1.25rem;line-height:1.2}
.details small{font-size:.8rem;color:var(--muted)}

/* Cuenta regresiva */
.countdown{display:flex;justify-content:center;gap:10px;margin-top:22px;font-variant-numeric:tabular-nums}
.countdown div{min-width:66px;padding:12px 6px;border-radius:12px;background:var(--soft);display:flex;flex-direction:column;align-items:center}
.countdown b{font-family:var(--display);font-size:1.9rem;line-height:1;color:var(--accent)}
.countdown span{font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-top:4px}

/* Botones */
.actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:22px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border-radius:999px;border:1px solid var(--accent);background:transparent;color:var(--ink);font:600 .95rem var(--body);text-decoration:none;cursor:pointer}
.btn:hover{background:var(--soft)}
.btn.solid{background:var(--accent);color:var(--on-accent,#fff);border-color:var(--accent)}
.btn.solid:hover{filter:brightness(.95)}
.btn svg{flex:none}

/* Nota */
.note{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border-radius:12px;background:var(--soft);font-size:.95rem;text-align:left}

/* Itinerario */
.timeline{list-style:none;margin:22px 0 0;padding:0;display:flex;flex-direction:column}
.timeline li{display:grid;grid-template-columns:72px 18px 1fr;gap:12px;align-items:start;padding-bottom:18px;position:relative}
.timeline time{font:600 .95rem var(--body);color:var(--accent);text-align:right;font-variant-numeric:tabular-nums;padding-top:1px}
.timeline i{width:12px;height:12px;border-radius:50%;background:var(--accent);margin:6px auto 0;position:relative;z-index:1;box-shadow:0 0 0 4px var(--paper)}
.timeline li:not(:last-child)::after{content:"";position:absolute;left:calc(72px + 12px + 8px);top:14px;bottom:-2px;width:2px;background:var(--line)}
.timeline b{display:block;font-family:var(--display);font-size:1.15rem;line-height:1.3}
.timeline span{color:var(--muted);font-size:.92rem}

/* Personas */
.people{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:22px}
.people h3{font:600 11px var(--body);letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.people p{font-family:var(--display);font-size:1.15rem;line-height:1.35}

/* Vestimenta */
.dress{display:flex;justify-content:center;gap:14px;margin-top:18px}
.dress span{width:38px;height:38px;border-radius:50%;border:2px solid var(--paper);box-shadow:0 0 0 1px var(--line)}

/* Regalos */
.gifts{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:12px;margin-top:20px;text-align:left}
.gift{padding:16px;border-radius:12px;background:var(--soft);display:flex;flex-direction:column;gap:4px}
.gift b{font-family:var(--display);font-size:1.1rem}
.gift code{font:500 .95rem ui-monospace,Menlo,monospace;user-select:all;overflow-wrap:anywhere}
.gift .btn{margin-top:8px;min-height:40px;align-self:flex-start;font-size:.85rem}

/* Galería */
.gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:20px}
.gallery img{width:100%;height:auto;aspect-ratio:1;object-fit:cover;border-radius:10px}

/* Formulario */
form{display:flex;flex-direction:column;gap:18px;text-align:left;margin-top:22px}
.f{display:flex;flex-direction:column;gap:6px;font:600 .8rem var(--body);letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
input[type=text],textarea{font:400 1rem var(--body);color:var(--ink);background:var(--field,#fff);border:1px solid var(--line);border-radius:10px;padding:12px;width:100%;text-transform:none;letter-spacing:0}
textarea{min-height:80px;resize:vertical}
fieldset{border:0;margin:0;padding:0;min-width:0}
legend{font:600 .8rem var(--body);letter-spacing:.06em;text-transform:uppercase;color:var(--muted);padding:0;margin-bottom:8px}
.choices{display:flex;flex-wrap:wrap;gap:8px}
.choice{position:relative}
.choice input{position:absolute;opacity:0;inset:0;margin:0;cursor:pointer}
.choice span{display:inline-block;padding:10px 16px;border:1px solid var(--line);border-radius:999px;background:var(--field,#fff);font-size:.95rem;cursor:pointer}
.choice input:checked+span{background:var(--accent);border-color:var(--accent);color:var(--on-accent,#fff)}
.choice input:focus-visible+span{outline:2px solid var(--accent);outline-offset:2px}
.stepper{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:999px;background:var(--field,#fff);width:max-content}
.stepper button{width:44px;height:44px;border:0;background:none;font-size:1.3rem;color:var(--ink);cursor:pointer;border-radius:999px}
.stepper output{min-width:36px;text-align:center;font-weight:700;font-variant-numeric:tabular-nums}
.hint{font-size:.85rem;color:var(--muted);text-transform:none;letter-spacing:0;font-weight:400}
.error{color:#c0392b;font-size:.9rem}

/* Modal de demostración */
.modal{position:fixed;inset:0;z-index:50;display:grid;place-items:center;padding:max(16px, env(safe-area-inset-top, 0px)) max(16px, env(safe-area-inset-right, 0px)) max(16px, env(safe-area-inset-bottom, 0px)) max(16px, env(safe-area-inset-left, 0px));background:rgba(10,12,20,.6)}
.modal-box{width:min(100%,440px);max-height:100%;overflow:auto;background:#fff;color:#1d2321;border-radius:18px;padding:24px;display:flex;flex-direction:column;gap:14px;font-family:"Plus Jakarta Sans",system-ui,sans-serif}
.modal-box h3{font:700 1.2rem "Plus Jakarta Sans",system-ui,sans-serif}
.modal-box p{font-size:.95rem;color:#5b6461}
.wa-bubble{background:#dcf8c6;border-radius:10px 10px 10px 2px;padding:12px 14px;white-space:pre-wrap;font:400 .92rem/1.45 system-ui,sans-serif;color:#111}
.modal-box .row{display:flex;flex-wrap:wrap;gap:8px}
.modal-box .btn{border-color:#5B57EA;color:#1d2321;font-family:"Plus Jakarta Sans",system-ui,sans-serif}
.modal-box .btn.solid{background:#5B57EA;color:#fff}

/* Portada tipo sobre */
.cover{position:fixed;inset:0;z-index:40;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:22px;text-align:center;
  padding:max(24px, env(safe-area-inset-top, 0px)) max(16px, env(safe-area-inset-right, 0px)) max(24px, env(safe-area-inset-bottom, 0px)) max(16px, env(safe-area-inset-left, 0px));
  background:var(--cover-bg);transition:opacity .9s ease,visibility .9s}
.cover.open{opacity:0;visibility:hidden}
.envelope{position:relative;width:min(300px,78vw);max-width:100%;aspect-ratio:3/2;background:var(--paper);border-radius:6px;box-shadow:0 24px 60px rgba(0,0,0,.25);overflow:hidden}
.envelope::before{content:"";position:absolute;inset:0;background:linear-gradient(to bottom right,transparent 49.5%,var(--line) 50%,transparent 50.5%),linear-gradient(to bottom left,transparent 49.5%,var(--line) 50%,transparent 50.5%);background-size:50% 100%;background-position:left,right;background-repeat:no-repeat}
.flap{position:absolute;inset:0 0 auto 0;height:58%;background:var(--soft);clip-path:polygon(0 0,100% 0,50% 100%);transform-origin:top;transition:transform .8s ease}
.cover.open .flap{transform:rotateX(180deg)}
.seal{position:absolute;left:50%;top:58%;transform:translate(-50%,-50%);width:60px;height:60px;border-radius:50%;background:var(--accent);color:var(--on-accent,#fff);display:grid;place-items:center;font-family:var(--display);font-size:1.4rem;box-shadow:0 3px 8px rgba(0,0,0,.25)}
.cover p{font-family:var(--display);font-size:1.3rem;color:var(--cover-ink)}
.cover .btn{border-color:var(--cover-ink);color:var(--cover-ink)}
.cover .btn.solid{background:var(--accent);border-color:var(--accent);color:var(--on-accent,#fff)}

/* Música */
.music{position:fixed;z-index:35;right:calc(16px + env(safe-area-inset-right, 0px));bottom:calc(16px + env(safe-area-inset-bottom, 0px));
  display:flex;align-items:center;gap:8px;height:48px;padding:0 16px 0 14px;border-radius:999px;border:1px solid var(--accent);background:var(--paper);color:var(--ink);
  font:600 .85rem var(--body);cursor:pointer;box-shadow:0 8px 22px rgba(0,0,0,.18)}
.music .on{display:none}
.music[aria-pressed="true"] .on{display:block}
.music[aria-pressed="true"] .off{display:none}

/* Pase VIP */
.pass{display:grid;grid-template-columns:1fr auto;gap:18px;align-items:center;text-align:left;padding:22px;border-radius:16px;border:1.5px dashed var(--accent);background:var(--soft)}
.pass .who{font-family:var(--display);font-size:1.5rem;line-height:1.2}
.pass .seats{font:600 .85rem var(--body);letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-top:6px}
.pass .qr{width:112px;height:112px;padding:8px;background:#fff;border-radius:10px}
.pass .qr svg{width:100%;height:100%;display:block}
.guests{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin-top:12px}
.guests button{font:500 .8rem var(--body);padding:6px 12px;border-radius:999px;border:1px solid var(--line);background:var(--paper);color:var(--ink);cursor:pointer}
.guests button[aria-pressed="true"]{background:var(--ink);color:var(--paper);border-color:var(--ink)}

.foot{text-align:center;font-size:.85rem;color:var(--muted)}
.foot a{font-weight:600}

@media (max-width:460px){
  .card{padding:28px 18px}
  .details{grid-template-columns:1fr}
  .countdown{gap:6px}.countdown div{min-width:0;flex:1}
  .people{grid-template-columns:1fr}
  .pass{grid-template-columns:1fr;text-align:center}.pass .qr{margin-inline:auto}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.cover,.flap{transition:none}}

/* ===================== Animaciones y módulos interactivos ===================== */
.js-anim [data-reveal]{opacity:0;transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1),filter .9s;transition-delay:calc(var(--i,0) * 110ms)}
.js-anim [data-reveal="up"]{transform:translateY(32px)}
.js-anim [data-reveal="zoom"]{transform:scale(.9)}
.js-anim [data-reveal="left"]{transform:translateX(-36px)}
.js-anim [data-reveal="right"]{transform:translateX(36px)}
.js-anim [data-reveal="blur"]{filter:blur(10px);transform:translateY(12px)}
.js-anim [data-reveal="tilt"]{transform:translateY(40px) rotate(-6deg)}
.js-anim [data-reveal].in{opacity:1;transform:none;filter:none}

/* Trazo que se dibuja al aparecer */
.js-anim [data-reveal] .draw,.js-anim .draw[data-reveal]{stroke-dasharray:var(--len,600);stroke-dashoffset:var(--len,600);transition:stroke-dashoffset 2.2s ease .2s}
.js-anim .in .draw,.js-anim .draw.in{stroke-dashoffset:0}

/* Pantalla de carga */
#preloader{position:fixed;inset:0;z-index:60;display:grid;place-items:center;background:var(--pre-bg,var(--bg));transition:opacity .8s ease,visibility .8s}
#preloader.done{opacity:0;visibility:hidden}
#preloader svg{width:150px;height:150px}
#preloader .pl-ring{stroke-dasharray:440;stroke-dashoffset:440;animation:pl-draw 1.6s ease forwards}
#preloader .pl-text{opacity:0;animation:pl-fade .9s ease .9s forwards}
@keyframes pl-draw{to{stroke-dashoffset:0}}
@keyframes pl-fade{to{opacity:1}}

/* Menú superior */
#topnav{position:fixed;left:0;right:0;top:0;z-index:38;transform:translateY(-110%);transition:transform .45s cubic-bezier(.2,.7,.2,1);
  background:var(--nav-bg,rgba(255,255,255,.88));-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);
  padding:calc(env(safe-area-inset-top,0px)) max(8px, env(safe-area-inset-right,0px)) 0 max(8px, env(safe-area-inset-left,0px))}
#topnav.show{transform:none}
#topnav .track{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none;max-width:900px;margin:0 auto;padding:8px 0;justify-content:safe center}
#topnav .track::-webkit-scrollbar{display:none}
#topnav a{flex:none;padding:7px 14px;border-radius:999px;font:500 .85rem var(--body);color:var(--muted);text-decoration:none;white-space:nowrap;transition:background .25s,color .25s}
#topnav a.on{background:var(--accent);color:var(--on-accent,#fff)}

/* Galería ampliable */
.lightbox{position:fixed;inset:0;z-index:55;display:none;align-items:center;justify-content:center;background:rgba(10,10,14,.92);
  padding:max(16px, env(safe-area-inset-top,0px)) max(8px, env(safe-area-inset-right,0px)) max(16px, env(safe-area-inset-bottom,0px)) max(8px, env(safe-area-inset-left,0px))}
.lightbox.open{display:flex;animation:lb-in .3s ease}
.lightbox figure{margin:0;max-width:min(92vw,860px);display:flex;flex-direction:column;align-items:center;gap:10px}
.lightbox img{max-height:78vh;width:auto;max-width:100%;border-radius:6px;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.lightbox img.sw{animation:lb-sw .35s ease}
.lightbox figcaption{color:#eee;font:500 .95rem "Plus Jakarta Sans",system-ui,sans-serif}
.lightbox button{position:absolute;border:0;background:rgba(255,255,255,.12);color:#fff;width:48px;height:48px;border-radius:50%;font-size:1.8rem;line-height:1;cursor:pointer}
.lightbox button:hover{background:rgba(255,255,255,.22)}
.lb-close{top:calc(14px + env(safe-area-inset-top,0px));right:calc(14px + env(safe-area-inset-right,0px))}
.lb-prev{left:calc(10px + env(safe-area-inset-left,0px))}.lb-next{right:calc(10px + env(safe-area-inset-right,0px))}
@keyframes lb-in{from{opacity:0}}
@keyframes lb-sw{from{opacity:0;transform:scale(.96)}}

/* Menú de calendario */
.calwrap{position:relative;display:inline-block}
.calmenu{position:absolute;left:50%;top:calc(100% + 8px);transform:translateX(-50%);z-index:20;min-width:220px;display:flex;flex-direction:column;padding:6px;
  background:var(--paper);border:1px solid var(--line);border-radius:12px;box-shadow:0 18px 40px rgba(0,0,0,.18);animation:menu-in .2s ease}
.calmenu a{padding:10px 14px;border-radius:8px;text-decoration:none;color:var(--ink);font:500 .95rem var(--body);text-align:left}
.calmenu a:hover,.calmenu a:focus-visible{background:var(--soft)}
@keyframes menu-in{from{opacity:0;transform:translate(-50%,-6px)}}

/* Pestañas */
.tabs{display:inline-flex;gap:4px;padding:4px;border-radius:999px;background:var(--soft);margin-top:18px}
.tabs [role=tab]{border:0;background:none;padding:9px 20px;border-radius:999px;font:600 .9rem var(--body);color:var(--muted);cursor:pointer}
.tabs [role=tab][aria-selected="true"]{background:var(--paper);color:var(--ink);box-shadow:0 2px 8px rgba(0,0,0,.08)}
[role=tabpanel]{animation:panel-in .4s ease}
@keyframes panel-in{from{opacity:0;transform:translateY(8px)}}
.ideas{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:20px}
.idea{display:flex;flex-direction:column;align-items:center;gap:8px;padding:16px 8px;background:var(--paper);border:1px solid var(--line);font-size:.9rem;text-align:center}
.idea svg{width:56px;height:84px;color:var(--accent)}

/* Historia deslizable */
.st-track{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding:10px 12% 18px;margin-inline:-12px;scrollbar-width:none}
.st-track::-webkit-scrollbar{display:none}
.st-slide{flex:0 0 76%;scroll-snap-align:center;background:var(--paper);border:1px solid var(--line);padding:22px 20px;text-align:left;transition:transform .5s,opacity .5s;opacity:.55;transform:scale(.94)}
.st-slide.active{opacity:1;transform:none}
.st-slide .yr{font-family:var(--display);font-size:2.4rem;line-height:1;color:var(--accent)}
.st-slide h3{font-family:var(--display);font-size:1.35rem;margin:8px 0 6px;font-weight:400}
.st-slide p{font-size:.95rem;line-height:1.55}
.st-slide .pic{height:150px;margin:-22px -20px 16px;background-size:cover;background-position:center}
.st-nav{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:6px}
.st-dots{display:flex;gap:6px;position:relative}
.st-dots::before{content:"";position:absolute;left:0;right:0;top:50%;height:1px;background:var(--line);z-index:-1}
.st-dot{width:34px;height:34px;border-radius:50%;border:1px solid var(--line);background:var(--paper);font:500 .72rem var(--body);color:var(--muted);cursor:pointer;transition:all .3s}
.st-dot[aria-current="true"]{background:var(--accent);color:var(--on-accent,#fff);border-color:var(--accent);transform:scale(1.12)}
.st-prev,.st-next{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:var(--paper);color:var(--ink);font-size:1.3rem;cursor:pointer}

/* Libro de felicitaciones */
.gb-stage{position:relative;margin-top:22px;padding:30px 22px 22px;background:var(--paper);border:1px solid var(--line);min-height:190px;overflow:hidden}
.gb-card{display:flex;flex-direction:column;gap:12px}
.gb-card.in-r{animation:gb-r .5s ease}.gb-card.in-l{animation:gb-l .5s ease}
@keyframes gb-r{from{opacity:0;transform:translateX(40px)}}
@keyframes gb-l{from{opacity:0;transform:translateX(-40px)}}
.gb-msg{font-family:var(--display);font-style:italic;font-size:1.3rem;line-height:1.45}
.gb-who{font-weight:500;color:var(--accent)}
.gb-bar{display:flex;align-items:center;justify-content:center;gap:14px;margin-top:14px}
.gb-bar button{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:var(--paper);color:var(--ink);font-size:1.2rem;cursor:pointer}
.gb-count{font-size:.85rem;color:var(--muted);min-width:60px;text-align:center}
.ok{color:var(--accent);font-weight:500;animation:panel-in .4s ease}

/* Álbum compartido */
.dropzone{display:flex;flex-direction:column;align-items:center;gap:8px;margin-top:20px;padding:26px 16px;border:1.5px dashed var(--accent);background:var(--paper);cursor:pointer;transition:background .2s}
.dropzone:hover{background:var(--soft)}
.dropzone svg{width:40px;height:40px;color:var(--accent)}
.dropzone b{font-weight:500}
.dropzone input{position:absolute;width:1px;height:1px;opacity:0}
.dropzone:focus-within{outline:2px solid var(--accent);outline-offset:3px}
#upload-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;margin-top:12px}
#upload-grid img{width:100%;aspect-ratio:1;object-fit:cover;animation:lb-sw .4s ease}

/* Canciones */
.songs{list-style:none;margin:20px 0 0;padding:0;display:grid;gap:8px;text-align:left}
.songs li{display:flex;align-items:center;gap:12px;padding:12px 14px;background:var(--paper);border:1px solid var(--line)}
.songs li::before{content:"";flex:none;width:30px;height:30px;border-radius:50%;background:var(--accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M8 5v14l11-7z'/%3E%3C/svg%3E") center/14px no-repeat}
.songs b{font-weight:500;flex:1;min-width:0}
.songs span{font-size:.8rem;color:var(--muted);white-space:nowrap}
.songs li.new{animation:gb-r .5s ease}
.inline-form{display:flex;gap:8px;margin-top:14px;flex-direction:row}
.inline-form input{flex:1;min-width:0}

/* Reloj que cambia */
.tick{animation:tick .55s cubic-bezier(.2,.7,.2,1)}
@keyframes tick{0%{transform:translateY(-35%);opacity:0}100%{transform:none;opacity:1}}

@media (max-width:460px){.ideas{grid-template-columns:1fr 1fr 1fr;gap:8px}.idea{font-size:.8rem;padding:12px 4px}.st-slide{flex-basis:84%}.st-track{padding-inline:8%}}
@media (prefers-reduced-motion:reduce){.tick,.gb-card,.lightbox img.sw,[role=tabpanel]{animation:none!important}.st-slide{transition:none}}