:root {
  --azul: #4f6af5;
  --azul-oscuro: #3446b8;
  --azul-claro: #9db0ff;
  --amarillo: #ffd866;
  --crema: #fff8f0;
  --tinta: #2b2340;
  --fondo: #f6f7ff;
  --tarjeta: #ffffff;
  --texto: #232338;
  --suave: #5b5f7a;
  --linea: #e3e6fb;
  --radio: 18px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fondo: #14162b;
    --tarjeta: #1d2040;
    --texto: #eef0ff;
    --suave: #a9aed6;
    --linea: #2c3160;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--fondo);
  color: var(--texto);
  font: 17px/1.6 "Nunito", system-ui, -apple-system, "Segoe UI", sans-serif;
}
img { max-width: 100%; height: auto; }
a { color: var(--azul); }
@media (prefers-color-scheme: dark) { a { color: var(--azul-claro); } }

.pixel, h1, h2, h3.pixel { font-family: "Pixelify Sans", "Nunito", system-ui, sans-serif; letter-spacing: 0.01em; }
.wrap { width: min(1080px, 100% - 32px); margin-inline: auto; }
section { padding: 64px 0; }
h2 { font-size: clamp(28px, 4.5vw, 40px); line-height: 1.15; margin: 0 0 12px; }
h3 { margin: 0 0 6px; font-size: 20px; }
.lead { font-size: 19px; color: var(--suave); max-width: 720px; }
.center { text-align: center; }
.center .lead { margin-inline: auto; }

/* Barra superior */
header.top {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--fondo) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--linea);
}
header.top .wrap { display: flex; align-items: center; gap: 16px; height: 60px; }
header.top .marca { display: flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 700; text-decoration: none; color: var(--texto); }
header.top .marca img { width: 32px; height: 32px; image-rendering: auto; border-radius: 8px; }
header.top nav { margin-left: auto; display: flex; gap: 18px; font-weight: 700; font-size: 15px; }
header.top nav a { color: var(--suave); text-decoration: none; }
header.top nav a:hover { color: var(--azul); }
@media (max-width: 720px) { header.top nav a:not(.cta-mini) { display: none; } }
.cta-mini { background: var(--azul); color: #fff !important; padding: 8px 14px; border-radius: 999px; }

/* Héroe */
.hero {
  background: linear-gradient(180deg, var(--azul) 0%, var(--azul-oscuro) 100%);
  color: #fff;
  padding: 72px 0 56px;
  position: relative;
  overflow: hidden;
}
.hero .wrap { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; align-items: center; }
@media (max-width: 860px) { .hero .wrap { grid-template-columns: 1fr; text-align: center; } .hero .acciones { justify-content: center; } }
.hero h1 { font-size: clamp(40px, 7vw, 68px); line-height: 1.05; margin: 0 0 14px; }
.hero p { font-size: 20px; margin: 0 0 24px; color: #e8ecff; max-width: 560px; }
@media (max-width: 860px) { .hero p { margin-inline: auto; } }
.hero .marca-hero { width: 96px; height: 96px; image-rendering: auto; border-radius: 22px; margin-bottom: 18px; box-shadow: 0 8px 0 rgba(0,0,0,.18); }
.hero .foto { display: flex; justify-content: center; }
.hero .foto img { width: min(280px, 70%); border-radius: 26px; box-shadow: 0 18px 0 rgba(0,0,0,.18), 0 30px 60px rgba(0,0,0,.3); }
.acciones { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px; border-radius: 14px;
  font-weight: 800; font-size: 17px; text-decoration: none;
  border: 3px solid var(--tinta);
  box-shadow: 0 5px 0 var(--tinta);
  transition: transform .08s, box-shadow .08s;
}
.btn:hover { transform: translateY(2px); box-shadow: 0 3px 0 var(--tinta); }
.btn:active { transform: translateY(5px); box-shadow: 0 0 0 var(--tinta); }
.btn.amarillo { background: var(--amarillo); color: var(--tinta); }
.btn.blanco { background: var(--crema); color: var(--tinta); }
.btn.oscuro { background: var(--tinta); color: #fff; border-color: #000; box-shadow: 0 5px 0 #000; }
.nota-chica { font-size: 14px; color: #cdd5ff; margin-top: 14px; }

/* Tarjetas */
.rejilla { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); margin-top: 28px; }
.tarjeta {
  background: var(--tarjeta); border: 1px solid var(--linea);
  border-radius: var(--radio); padding: 22px;
}
.tarjeta .emoji { font-size: 30px; display: block; margin-bottom: 8px; }
.tarjeta p { margin: 0; color: var(--suave); font-size: 16px; }

/* Capturas */
.capturas { display: flex; gap: 20px; overflow-x: auto; padding: 8px 4px 20px; scroll-snap-type: x mandatory; }
.capturas figure { margin: 0; flex: 0 0 auto; width: 230px; scroll-snap-align: start; text-align: center; }
.capturas img { width: 100%; border-radius: 18px; border: 1px solid var(--linea); box-shadow: 0 10px 30px rgba(52,70,184,.15); background: #fff; }
.capturas figcaption { font-size: 14px; color: var(--suave); margin-top: 8px; }

.dos { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: center; }
@media (max-width: 800px) { .dos { grid-template-columns: 1fr; } }
.pixelimg { image-rendering: auto; width: 100%; border-radius: var(--radio); border: 1px solid var(--linea); background: #edebf5; }

/* Tabla */
table { width: 100%; border-collapse: collapse; background: var(--tarjeta); border-radius: var(--radio); overflow: hidden; border: 1px solid var(--linea); }
th, td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--linea); }
th { background: color-mix(in srgb, var(--azul) 12%, var(--tarjeta)); }
tr:last-child td { border-bottom: 0; }

.banda { background: color-mix(in srgb, var(--azul) 8%, var(--fondo)); }
.significado { display: grid; grid-template-columns: auto 1fr; gap: 28px; align-items: center; }
.significado img { width: 150px; image-rendering: auto; border-radius: 30px; box-shadow: 0 8px 0 rgba(52,70,184,.35); }
@media (max-width: 640px) { .significado { grid-template-columns: 1fr; text-align: center; } .significado img { margin-inline: auto; } }

.descargas { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); margin-top: 28px; }
.descargas .tarjeta { text-align: center; padding: 28px; }
.descargas .grande { font-size: 44px; }
.descargas ol { text-align: left; color: var(--suave); font-size: 15px; padding-left: 20px; }
.descargas .btn { margin: 10px 0 14px; }

details { background: var(--tarjeta); border: 1px solid var(--linea); border-radius: 14px; padding: 14px 18px; margin-top: 12px; }
summary { cursor: pointer; font-weight: 800; }
details p { margin: 10px 0 0; color: var(--suave); }

footer { background: var(--tinta); color: #cfd3f7; padding: 36px 0; font-size: 15px; }
footer a { color: var(--amarillo); }
footer .wrap { display: flex; flex-wrap: wrap; gap: 12px 28px; justify-content: space-between; align-items: center; }

/* Sección de descarga */
.btn.grande { font-size: 20px; padding: 18px 30px; }
.dl-cabeza { text-align: center; margin-bottom: 36px; }
.dl-logo { width: 96px; height: 96px; image-rendering: auto; border-radius: 22px; box-shadow: 0 6px 0 rgba(52,70,184,.35); }
.dl-cabeza h2 { margin: 16px 0 18px; }
.dl-nota { color: var(--suave); margin: 14px auto 0; max-width: 560px; }
.dl-version { color: var(--suave); margin: 6px 0 0; font-size: 15px; }
.dl-columnas { display: grid; gap: 20px; grid-template-columns: 1fr 1fr; }
@media (max-width: 800px) { .dl-columnas { grid-template-columns: 1fr; } }
.dl-col { text-align: center; padding: 26px; }
.dl-col ol { text-align: left; color: var(--suave); font-size: 15px; padding-left: 20px; }
.dl-col .btn { margin: 14px 0 6px; }
.chica { font-size: 14px; color: var(--suave); }
.peso { font-weight: 700; opacity: .8; font-size: 14px; }
.marco-telefono { width: 150px; margin: 6px auto 0; padding: 8px 6px; background: var(--tinta); border-radius: 26px; }
.marco-telefono img { display: block; width: 100%; border-radius: 18px; }
.marco-ventana { margin: 6px auto 0; max-width: 300px; border-radius: 12px; overflow: hidden; border: 2px solid var(--tinta); background: var(--fondo); }
.marco-ventana .barra { background: var(--tinta); padding: 8px 10px; display: flex; gap: 6px; }
.marco-ventana .barra i { width: 10px; height: 10px; border-radius: 50%; background: var(--azul-claro); display: block; }
.marco-ventana .cuerpo { padding: 22px 12px; display: flex; flex-direction: column; align-items: center; gap: 6px; }
.marco-ventana .cuerpo img { width: 64px; height: 64px; image-rendering: auto; border-radius: 14px; }
.marco-ventana .cuerpo span { font-size: 12px; color: var(--suave); }
.qr { width: 132px; height: 132px; margin: 8px auto 0; background: #fff; padding: 6px; border-radius: 10px; }
.qr svg { width: 100%; height: 100%; display: block; }
.os-android .qr, .os-android #dl-movil .chica { display: none; }
.dl-tabla { margin-top: 20px; }
.dl-tabla table { border: 0; }
.dl-tabla td:first-child { font-weight: 800; width: 34%; }
.dl-tabla .apagado { color: var(--suave); }
.huella { font-size: 13px; cursor: pointer; white-space: nowrap; }
.huella code { background: color-mix(in srgb, var(--azul) 10%, var(--tarjeta)); padding: 2px 6px; border-radius: 6px; }
.huella.copiado code { outline: 2px solid var(--amarillo); }
.verificable { margin-top: 20px; color: var(--suave); }
.verificable h3 { color: var(--texto); }
@media (max-width: 640px) { .huella { display: none; } }

/* ===== Efectos y probador ===== */
#progreso { position: fixed; top: 0; left: 0; right: 0; height: 4px; background: var(--amarillo); transform-origin: 0 50%; transform: scaleX(0); z-index: 50; }

/* Héroe animado */
.hero { background: linear-gradient(180deg, #3d57e6 0%, var(--azul) 45%, var(--azul-oscuro) 100%); }
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    radial-gradient(2px 2px at 12% 22%, #fff 99%, transparent), radial-gradient(2px 2px at 30% 60%, #fff 99%, transparent),
    radial-gradient(3px 3px at 47% 15%, #ffd866 99%, transparent), radial-gradient(2px 2px at 63% 75%, #fff 99%, transparent),
    radial-gradient(3px 3px at 78% 30%, #fff 99%, transparent), radial-gradient(2px 2px at 90% 55%, #ffd866 99%, transparent),
    radial-gradient(2px 2px at 8% 80%, #fff 99%, transparent), radial-gradient(2px 2px at 55% 45%, #fff 99%, transparent);
  animation: titila 3.2s ease-in-out infinite alternate;
}
@keyframes titila { from { opacity: .35; } to { opacity: 1; } }
.hero .wrap { position: relative; z-index: 2; }
.hero-fx { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.nube { position: absolute; width: 8px; height: 8px; background: #fff; opacity: .85;
  box-shadow: 8px 0 #fff, 16px 0 #fff, 0 8px #fff, 8px 8px #fff, 16px 8px #fff, 24px 8px #fff, 32px 8px #fff, -8px 16px #fff, 0 16px #fff, 8px 16px #fff, 16px 16px #fff, 24px 16px #fff, 32px 16px #fff, 40px 16px #fff;
  animation: nube-pasa 60s linear infinite; }
.nube.n1 { top: 12%; left: -10%; transform: scale(1.6); }
.nube.n2 { top: 55%; left: -10%; transform: scale(1); animation-duration: 90s; animation-delay: -30s; opacity: .55; }
.nube.n3 { top: 30%; left: -10%; transform: scale(2.2); animation-duration: 120s; animation-delay: -70s; opacity: .35; }
@keyframes nube-pasa { to { left: 110%; } }
.suelo { position: absolute; left: 0; right: 0; bottom: 0; height: 26px;
  background: repeating-linear-gradient(90deg, #5cc28a 0 24px, #4aa877 24px 48px); border-top: 6px solid #7fdcaa; }
.hero { padding-bottom: 96px; }
.hero h1 { text-shadow: 4px 4px 0 rgba(0,0,0,.22); }
.hero .foto { position: relative; perspective: 900px; }
.flota { animation: flota 4s ease-in-out infinite; transform: rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)); transition: transform .15s ease-out; will-change: transform; }
@keyframes flota { 0%, 100% { translate: 0 0; } 50% { translate: 0 -14px; } }
.moneda { position: absolute; font-size: 34px; z-index: 3; animation: gira 3.4s ease-in-out infinite; filter: drop-shadow(0 4px 0 rgba(0,0,0,.2)); }
.moneda.m1 { top: 6%; left: 8%; } .moneda.m2 { top: 34%; right: 6%; animation-delay: -1.2s; font-size: 28px; } .moneda.m3 { bottom: 12%; left: 2%; animation-delay: -2.1s; font-size: 26px; }
@keyframes gira { 0%, 100% { transform: translateY(0) rotate(-8deg) scale(1); } 50% { transform: translateY(-16px) rotate(10deg) scale(1.12); } }

/* Botón con brillo */
.btn { position: relative; overflow: hidden; }
.btn.amarillo::after { content: ""; position: absolute; top: 0; bottom: 0; width: 40%; left: -60%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,.65), transparent); transform: skewX(-18deg); animation: brillo 3.6s ease-in-out infinite; }
@keyframes brillo { 0%, 55% { left: -60%; } 100% { left: 130%; } }
.btn.pequeno { font-size: 15px; padding: 10px 16px; box-shadow: 0 4px 0 var(--tinta); }

/* Cifras */
.cifras { background: var(--tarjeta); border-bottom: 1px solid var(--linea); position: relative; z-index: 3; margin-top: -1px; }
.cifras .wrap { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; padding: 26px 0; text-align: center; }
@media (max-width: 720px) { .cifras .wrap { grid-template-columns: repeat(3, 1fr); row-gap: 18px; } }
.cifras b { display: block; font: 700 clamp(30px, 5vw, 46px)/1 "Pixelify Sans", system-ui, sans-serif; color: var(--azul); letter-spacing: .04em; }
@media (prefers-color-scheme: dark) { .cifras b { color: var(--azul-claro); } }
.cifras span { font-size: 14px; color: var(--suave); }

/* Aparición */
.js .rev { opacity: 0; transform: translateY(26px) scale(.98); transition: opacity .6s ease var(--d, 0ms), transform .6s cubic-bezier(.2,.8,.2,1) var(--d, 0ms); }
.js .rev.vis { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .js .rev { opacity: 1; transform: none; transition: none; } .flota, .moneda, .nube, .hero::before, .btn.amarillo::after { animation: none; } }

/* Tarjetas vivas */
.tarjeta { transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.tarjeta:hover { transform: translateY(-6px); border-color: var(--azul); box-shadow: 0 14px 0 -6px color-mix(in srgb, var(--azul) 35%, transparent), 0 18px 34px rgba(52,70,184,.18); }
.capturas img { transition: transform .3s ease; }
.capturas figure:hover img { transform: translateY(-8px) rotate(-1.5deg) scale(1.03); }
.tarjeta .emoji { transition: transform .3s ease; display: inline-block; }
.tarjeta:hover .emoji { transform: scale(1.35) rotate(-8deg); }

/* Confeti */
.confeti { position: fixed; z-index: 100; font-size: 22px; pointer-events: none; transform: translate(-50%, -50%); animation: confeti .95s cubic-bezier(.2,.7,.3,1) forwards; }
@keyframes confeti { 0% { opacity: 1; transform: translate(-50%, -50%) scale(.6); } 70% { opacity: 1; } 100% { opacity: 0; transform: translate(calc(-50% + var(--dx)), calc(-50% + var(--dy) + var(--g))) scale(1.2) rotate(240deg); } }

/* Probador */
.probador { background: radial-gradient(1200px 500px at 50% 0, color-mix(in srgb, var(--azul) 14%, transparent), transparent), var(--fondo); }
.probador-cuerpo { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 28px; margin-top: 30px; align-items: start; }
@media (max-width: 900px) { .probador-cuerpo { grid-template-columns: 1fr; } }
.probador-escena { position: sticky; top: 76px; text-align: center; }
@media (max-width: 900px) { .probador-escena { position: static; } }
#juego-lienzo { display: block; margin: 0 auto; max-width: 100%; image-rendering: pixelated; border-radius: 22px; border: 4px solid var(--tinta); box-shadow: 0 10px 0 var(--tinta), 0 24px 50px rgba(52,70,184,.3); background: var(--azul-claro); opacity: .4; transition: opacity .4s; }
#juego-lienzo.listo { opacity: 1; }
.probador-botones { display: flex; gap: 12px; justify-content: center; margin-top: 26px; flex-wrap: wrap; }
.probador-controles { background: var(--tarjeta); border: 1px solid var(--linea); border-radius: var(--radio); padding: 18px 18px 6px; max-height: 640px; overflow: auto; }
.grupo { margin-bottom: 16px; }
.grupo .et { font-weight: 800; font-size: 14px; margin-bottom: 8px; }
.chips { display: flex; flex-wrap: wrap; gap: 7px; }
.chip { font: 700 13px/1 "Nunito", system-ui, sans-serif; padding: 8px 12px; border-radius: 999px; border: 2px solid var(--linea); background: transparent; color: var(--texto); cursor: pointer; transition: transform .1s, background .15s, border-color .15s; }
.chip:hover { border-color: var(--azul); transform: translateY(-1px); }
.chip.sel { background: var(--azul); border-color: var(--azul); color: #fff; }
.sw { width: 28px; height: 28px; border-radius: 50%; border: 3px solid var(--linea); cursor: pointer; padding: 0; transition: transform .1s; }
.sw:hover { transform: scale(1.15); }
.sw.sel { border-color: var(--texto); box-shadow: 0 0 0 3px var(--amarillo); }
input[type=range] { width: 100%; accent-color: var(--azul); }

/* Probador: escena arriba, a todo el ancho (así el lienzo cabe con una escala entera más grande) */
.probador-cuerpo { grid-template-columns: 1fr; }
.probador-escena { position: static; }
.probador-controles { column-count: 2; column-gap: 32px; max-height: none; overflow: visible; }
.probador-controles .grupo, #c-prendas .grupo { break-inside: avoid; }
#c-prendas { display: contents; }
@media (max-width: 800px) { .probador-controles { column-count: 1; } }