body { padding-bottom: 0; }
main { position: relative; z-index: 1; min-height: 100svh; display: grid; place-items: center; padding: 72px 16px 110px; }
.pantalla { width: 100%; display: grid; justify-items: center; text-align: center; }
.pantalla.activa { animation: entrar .7s cubic-bezier(.16, 1, .3, 1) both; }
@keyframes entrar { from { opacity: 0; transform: translateY(18px) scale(.985); } to { opacity: 1; transform: none; } }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
/* El confeti vuela detrás de la tarjeta, para no tapar el texto. */
.chispas { position: fixed; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 0; }
.flores { display: none; }

/* ---------- controles flotantes ---------- */
.a-demo { position: fixed; z-index: 50; top: max(14px, env(safe-area-inset-top)); left: 14px; display: inline-flex; align-items: center; gap: 6px; min-height: 44px; padding: 8px 16px; border-radius: 999px; background: rgba(10, 7, 30, .7); border: 1px solid var(--borde); color: var(--suave); text-decoration: none; font: 600 .86rem "Sora"; backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.a-demo:hover { color: var(--tinta); }
.sonido { position: fixed; top: max(14px, env(safe-area-inset-top)); right: 14px; z-index: 50; width: 48px; height: 48px; border-radius: 50%; border: 1px solid var(--borde); background: rgba(10, 7, 30, .7); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); cursor: pointer; display: grid; place-items: center; }
.ondas { display: flex; gap: 3px; align-items: end; height: 18px; }
.ondas i { width: 3px; height: 100%; border-radius: 2px; background: var(--neon); animation: onda 1s ease-in-out infinite; }
.ondas i:nth-child(2) { animation-delay: -.3s; } .ondas i:nth-child(3) { animation-delay: -.6s; } .ondas i:nth-child(4) { animation-delay: -.15s; }
@keyframes onda { 0%, 100% { transform: scaleY(.3); } 50% { transform: scaleY(1); } }
.sonido.mudo .ondas i { animation: none; transform: scaleY(.25); opacity: .6; }

.selector-estilo { position: fixed; z-index: 55; left: 50%; top: max(14px, env(safe-area-inset-top)); transform: translateX(-50%); display: grid; justify-items: center; gap: 8px; }
.se-boton { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 8px 18px; border-radius: 999px; border: 1px solid var(--borde); background: rgba(10, 7, 30, .82); color: var(--suave); font: 600 .86rem "Sora"; cursor: pointer; backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); white-space: nowrap; }
.se-boton b { color: var(--tinta); }
.se-punto { width: 14px; height: 14px; border-radius: 50%; background: var(--neon); box-shadow: 0 0 10px rgba(var(--a2-rgb), .8); }
.se-lista { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; padding: 8px; border-radius: 20px; background: rgba(10, 7, 30, .92); border: 1px solid var(--borde); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); box-shadow: 0 20px 50px -20px rgba(0, 0, 0, .8); }
.se-lista button { display: flex; align-items: center; gap: 8px; min-height: 46px; padding: 8px 14px; border-radius: 14px; border: 1px solid transparent; background: rgba(255, 255, 255, .05); color: #f3f1ff; font: 600 .9rem "Sora"; cursor: pointer; text-align: left; white-space: nowrap; }
.se-lista button[aria-checked="true"] { border-color: rgba(255, 255, 255, .6); background: rgba(255, 255, 255, .12); }
.se-lista i { width: 22px; height: 22px; border-radius: 50%; flex: none; border: 1px solid rgba(255, 255, 255, .3); }
.m-neon { background: linear-gradient(135deg, #22e6ff, #8b5cff, #ff3df2); }
.m-dorado { background: radial-gradient(circle at 35% 30%, #f8e8aa, #c9a24e 55%, #1a140a); }
.m-floral { background: radial-gradient(circle at 40% 40%, #ffd1e3, #e0457b 60%, #7cc4a4); }
.m-minimal { background: linear-gradient(135deg, #ffffff 50%, #111111 50%); }
.se-boton:focus-visible, .se-lista button:focus-visible, .a-demo:focus-visible, .sonido:focus-visible, .volver:focus-visible { outline: 3px solid var(--cian); outline-offset: 3px; }

/* ---------- portal ---------- */
#portal { gap: 16px; }
.anillo { position: relative; width: min(60vw, 280px); aspect-ratio: 1; margin-bottom: 8px; }
.anillo-luz { position: absolute; inset: 0; border-radius: 50%; background: conic-gradient(from 0deg, var(--cian), var(--violeta), var(--magenta), var(--cian)); animation: girar 6s linear infinite;
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 5px), #000 calc(100% - 4px)); mask: radial-gradient(farthest-side, transparent calc(100% - 5px), #000 calc(100% - 4px)); }
.anillo::before { content: ""; position: absolute; inset: -18%; border-radius: 50%; background: radial-gradient(circle, rgba(var(--a2-rgb), .45), transparent 62%); animation: latir 3.2s ease-in-out infinite; }
.anillo-orbita { position: absolute; inset: 12%; border-radius: 50%; border: 1px dashed rgba(var(--a1-rgb), .35); animation: girar 14s linear infinite reverse; }
.anillo-orbita.o2 { inset: 24%; border-color: rgba(var(--a3-rgb), .35); animation-duration: 9s; animation-direction: normal; }
.anillo-orbita i { position: absolute; top: -5px; left: 50%; width: 10px; height: 10px; margin-left: -5px; border-radius: 50%; background: var(--cian); box-shadow: 0 0 14px 4px rgba(var(--a1-rgb), .8); }
.anillo-orbita.o2 i { background: var(--magenta); box-shadow: 0 0 14px 4px rgba(var(--a3-rgb), .8); }
.anillo-nucleo { position: absolute; inset: 33%; border-radius: 50%; display: grid; place-items: center; align-content: center; background: radial-gradient(circle at 35% 30%, rgba(255, 255, 255, .25), rgba(var(--a2-rgb), .25) 40%, var(--fondo)); box-shadow: inset 0 0 30px rgba(var(--a2-rgb), .6), 0 0 40px rgba(var(--a2-rgb), .4); }
.anillo-nucleo span { font: 800 clamp(2rem, 9vw, 3.4rem)/1 var(--titulos); background: var(--neon); -webkit-background-clip: text; background-clip: text; color: transparent; }
.anillo-nucleo small { font: 600 .8rem/1 "Sora"; letter-spacing: .4em; color: var(--suave); margin-top: 6px; padding-left: .4em; }
@keyframes girar { to { transform: rotate(360deg); } }
@keyframes latir { 0%, 100% { opacity: .55; transform: scale(.96); } 50% { opacity: 1; transform: scale(1.04); } }
.portal-titulo { font-size: clamp(2rem, 8vw, 3.6rem); max-width: 14ch; }
.portal-quien { margin: -4px 0 6px; color: var(--tinta); font-weight: 600; font-size: 1.05rem; }
.boton.grande { min-height: 60px; padding: 16px 34px; font-size: 1.1rem; min-width: min(100%, 300px); }
#b-abrir { animation: respirar 2.4s ease-in-out infinite; }
@keyframes respirar { 0%, 100% { box-shadow: 0 10px 34px -8px rgba(var(--a2-rgb), .8), 0 0 0 0 rgba(var(--a1-rgb), .5); } 50% { box-shadow: 0 10px 40px -6px rgba(var(--a3-rgb), .8), 0 0 0 10px rgba(var(--a1-rgb), 0); } }
.nota { margin: 0; color: var(--tenue); font-size: .9rem; }
body.abriendo #portal { animation: salirPortal .8s cubic-bezier(.7, 0, .2, 1) forwards; }
body.abriendo .anillo { animation: expandir .8s cubic-bezier(.7, 0, .2, 1) forwards; }
@keyframes salirPortal { 50% { opacity: 1; } 100% { opacity: 0; } }
@keyframes expandir { 0% { transform: scale(1); } 30% { transform: scale(.9); } 100% { transform: scale(9); opacity: 0; } }
.destello { position: fixed; inset: 0; z-index: 45; pointer-events: none; background: radial-gradient(circle at 50% 45%, #fff 0%, rgba(var(--a2-rgb), .8) 30%, transparent 70%); opacity: 0; }
.destello.on { animation: destello .8s ease-out forwards; }
@keyframes destello { 0% { opacity: 0; } 30% { opacity: .95; } 100% { opacity: 0; } }

/* ---------- tarjeta ---------- */
.tarjeta .etiqueta, .detras .etiqueta { text-wrap: balance; letter-spacing: .22em; }
.tarjeta { position: relative; width: min(100%, 560px); padding: 34px 24px 28px; overflow: hidden; }
.tarjeta-brillo { position: absolute; inset: 0; pointer-events: none; background: linear-gradient(115deg, transparent 30%, rgba(255, 255, 255, .12) 45%, transparent 60%); background-size: 250% 100%; animation: barrido 5s ease-in-out infinite; }
@keyframes barrido { 0% { background-position: 150% 0; } 60%, 100% { background-position: -100% 0; } }
.tarjeta::before { content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px; background: var(--neon); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; opacity: .7; pointer-events: none; }
.nombre { font-size: clamp(2.5rem, 11.5vw, 4.6rem); margin: 10px 0 0; filter: drop-shadow(0 0 22px rgba(var(--a2-rgb), .55)); }
.nombre .neon-texto { background-size: 200% 100%; animation: fluir 6s linear infinite; }
@keyframes fluir { to { background-position: 200% 0; } }
.edad { display: flex; justify-content: center; gap: 4px; margin: 2px 0 4px; font: 800 clamp(4.4rem, 22vw, 8.4rem)/.95 var(--titulos); }
.edad span { color: transparent; -webkit-text-stroke: 2px var(--cian); text-shadow: 0 0 30px rgba(var(--a1-rgb), .45); animation: parpadeo 4s steps(1) infinite; }
.edad span:last-child { -webkit-text-stroke-color: var(--magenta); text-shadow: 0 0 30px rgba(var(--a3-rgb), .45); animation-delay: -1.7s; }
@keyframes parpadeo { 0%, 92%, 100% { opacity: 1; } 93% { opacity: .35; } 95% { opacity: 1; } 96% { opacity: .5; } }
.lema { margin: 0 auto 18px; color: var(--suave); max-width: 32ch; text-wrap: balance; }
.acciones { display: grid; gap: 10px; margin: 0 0 18px; }
.datos { display: grid; gap: 10px; margin: 0 0 16px; text-align: left; }
.datos > div { display: grid; gap: 2px; padding: 14px 16px; border-radius: 16px; background: rgba(255, 255, 255, .04); border: 1px solid rgba(var(--a2-rgb), .2); }
.datos strong { font-size: 1.08rem; }
.datos span:not(.etiqueta) { color: var(--suave); font-size: .95rem; }
.cuenta { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin: 0 0 16px; }
.cuenta div { padding: 12px 4px 10px; border-radius: 14px; background: rgba(0, 0, 0, .25); border: 1px solid rgba(var(--a1-rgb), .25); }
.cuenta b { display: block; font: 700 clamp(1.4rem, 6vw, 1.9rem)/1 var(--titulos); font-variant-numeric: tabular-nums; }
.cuenta span { font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--tenue); }
.acciones-sec { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.acciones-sec .boton { padding: 12px 10px; font-size: .92rem; }
.revelar { opacity: 0; transform: translateY(14px); }
.pantalla.activa .revelar { animation: subir .7s cubic-bezier(.16, 1, .3, 1) forwards; }
.pantalla.activa .r1 { animation-delay: .05s; }
.pantalla.activa .r2 { animation-delay: .15s; }
.pantalla.activa .r3 { animation-delay: .28s; }
.pantalla.activa .r4 { animation-delay: .4s; }
.pantalla.activa .r5 { animation-delay: .5s; }
.pantalla.activa .r6 { animation-delay: .6s; }
.pantalla.activa .r7 { animation-delay: .7s; }
.pantalla.activa .r8 { animation-delay: .78s; }
@keyframes subir { to { opacity: 1; transform: none; } }

/* ---------- formulario ---------- */
.formulario { display: grid; gap: 14px; text-align: left; }
.formulario h2 { font-size: clamp(1.6rem, 6vw, 2.2rem); margin: -6px 0 4px; }
.formulario .etiqueta, .formulario h2 { text-align: center; }
.error-campo { min-height: 0; margin: 6px 0 0; font-size: .86rem; font-weight: 600; color: #ff9bd7; }
.error-campo:empty { display: none; }
.error-campo.centro { text-align: center; margin-top: -4px; }
.error:empty { display: none; }
.privacidad { margin: 0; font-size: .84rem; color: var(--tenue); text-align: center; }
.trampa { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.opciones { border: 0; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.opcion { margin: 0; position: relative; display: grid; place-items: center; min-height: 64px; padding: 10px; border-radius: 16px; cursor: pointer; border: 1px solid var(--borde); background: rgba(255, 255, 255, .04); font: 700 1rem/1.2 "Sora"; color: var(--tinta); transition: background .2s ease, border-color .2s ease, box-shadow .2s ease; }
.opcion input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.opcion:hover { border-color: var(--cian); }
/* .marcada la pone el JS: sirve en navegadores sin :has */
.opcion.si.marcada { background: linear-gradient(135deg, rgba(var(--a1-rgb), .25), rgba(var(--a2-rgb), .3)); border-color: var(--cian); box-shadow: 0 0 24px rgba(var(--a1-rgb), .35); }
.opcion.no.marcada { background: rgba(var(--a3-rgb), .14); border-color: var(--magenta); }
.opciones.invalido .opcion { border-color: #ff9bd7; }
.volver { background: none; border: 0; color: var(--suave); font: 600 .95rem "Sora"; text-decoration: underline; cursor: pointer; padding: 12px; min-height: 44px; justify-self: center; }

/* ---------- listo ---------- */
.listo { display: grid; gap: 14px; }
.sello { width: 82px; height: 82px; margin: 0 auto; border-radius: 50%; display: grid; place-items: center; font-size: 2.4rem; color: var(--fondo); background: var(--neon); box-shadow: 0 0 40px rgba(var(--a2-rgb), .7); animation: sello .9s cubic-bezier(.2, 1.6, .4, 1) both .2s; }
@keyframes sello { from { transform: scale(0) rotate(-40deg); } to { transform: none; } }
.listo h2 { font-size: clamp(2rem, 8vw, 2.8rem); outline: none; }
.listo .lema { margin-bottom: 4px; }
.detras { margin-top: 10px; padding: 18px 16px; border-radius: 18px; background: rgba(var(--a1-rgb), .06); border: 1px dashed rgba(var(--a1-rgb), .4); display: grid; gap: 8px; }
.detras p { margin: 0; color: var(--suave); font-size: .95rem; }
.detras-enlaces { display: grid; gap: 8px; margin-top: 6px; }
.detras-enlaces .boton { min-height: 48px; font-size: .95rem; }

@media (min-width: 900px) {
  .tarjeta { padding: 44px 46px 36px; }
  .datos { grid-template-columns: repeat(3, 1fr); }
  #invitacion .tarjeta { width: min(100%, 820px); }
  #invitacion .acciones { justify-items: center; }
}
@media (max-width: 400px) { .se-txt { display: none; } }
@media (max-height: 700px) and (max-width: 600px) {
  .anillo { width: min(46vw, 200px); }
}