/* Hecho a Máquina · estilo común del sitio. Sin dependencias externas: fuentes servidas desde /fuentes (licencia OFL). */
@font-face{font-family:'Archivo';src:url(fuentes/archivo-var.woff2) format('woff2');font-weight:400 900;font-stretch:62% 125%;font-display:swap}
@font-face{font-family:'IBM Plex Mono';src:url(fuentes/plexmono-400.woff2) format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:'IBM Plex Mono';src:url(fuentes/plexmono-500.woff2) format('woff2');font-weight:500;font-display:swap}
@font-face{font-family:'IBM Plex Mono';src:url(fuentes/plexmono-600.woff2) format('woff2');font-weight:600;font-display:swap}

:root{
  --fondo:#F1ECE2; --fondo2:#E8E1D3; --tarjeta:#FAF7F1; --texto:#1A1A1A; --suave:#5E594F; --linea:rgba(26,26,26,.16);
  --naranja:#FF5A1F; --naranja-txt:#B53A0C; --azul:#1F3F8F; --retic:rgba(31,63,143,.07);
  --boton-fondo:#1A1A1A; --boton-texto:#F1ECE2; --foco:#1F3F8F; --sombra:rgba(40,30,10,.28);
  color-scheme:light;
}
@media (prefers-color-scheme: dark){
  :root:not([data-tema="claro"]){
    --fondo:#16150F; --fondo2:#1E1C16; --tarjeta:#221F18; --texto:#F1ECE2; --suave:#BDB5A6; --linea:rgba(241,236,226,.16);
    --naranja-txt:#FF7A45; --azul:#8FA8E8; --retic:rgba(143,168,232,.06); --boton-fondo:#F1ECE2; --boton-texto:#1A1A1A; --foco:#FF7A45; --sombra:rgba(0,0,0,.6);
    color-scheme:dark;
  }
}
:root[data-tema="oscuro"]{
  --fondo:#16150F; --fondo2:#1E1C16; --tarjeta:#221F18; --texto:#F1ECE2; --suave:#BDB5A6; --linea:rgba(241,236,226,.16);
  --naranja-txt:#FF7A45; --azul:#8FA8E8; --retic:rgba(143,168,232,.06); --boton-fondo:#F1ECE2; --boton-texto:#1A1A1A; --foco:#FF7A45; --sombra:rgba(0,0,0,.6);
  color-scheme:dark;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{background:var(--fondo);color:var(--texto);font-family:'Archivo',system-ui,-apple-system,'Segoe UI',sans-serif;font-size:18px;line-height:1.55;
  background-image:linear-gradient(var(--retic) 1px,transparent 1px),linear-gradient(90deg,var(--retic) 1px,transparent 1px);background-size:36px 36px;overflow-wrap:break-word}
img,svg{max-width:100%}
a{color:inherit;text-underline-offset:3px}
a:hover{color:var(--naranja-txt)}
:focus-visible{outline:3px solid var(--foco);outline-offset:3px;border-radius:6px}
.mono{font-family:'IBM Plex Mono',ui-monospace,monospace}
.oculto{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.saltar{position:absolute;left:12px;top:-60px;z-index:10;background:var(--boton-fondo);color:var(--boton-texto);padding:10px 16px;border-radius:999px;font-weight:700;text-decoration:none}
.saltar:focus{top:10px}
.envoltura{max-width:1120px;margin:0 auto;padding:0 24px}
@media (max-width:600px){.envoltura{padding:0 16px}}

/* cabecera */
.cabecera{position:sticky;top:0;z-index:5;background:color-mix(in srgb,var(--fondo) 90%,transparent);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--linea)}
.cabecera .envoltura{display:flex;align-items:center;justify-content:space-between;min-height:64px;gap:12px;flex-wrap:wrap}
.marca{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:900;font-stretch:112%;line-height:.92;font-size:15px;letter-spacing:-.2px}
.marca:hover{color:var(--texto)}
.marca svg .cuerpo{fill:var(--texto)} .marca svg .vent{fill:var(--fondo)}
.nav{display:flex;gap:22px;font-size:15px;font-weight:600}
.nav a{text-decoration:none;color:var(--suave)} .nav a:hover,.nav a[aria-current="page"]{color:var(--texto)}
.nav a[aria-current="page"]{text-decoration:underline;text-decoration-color:var(--naranja);text-decoration-thickness:3px}
.tema{border:1px solid var(--linea);background:transparent;color:var(--texto);border-radius:999px;padding:6px 12px;font:inherit;font-size:14px;cursor:pointer;min-height:36px}
@media (max-width:760px){
  .cabecera .envoltura{padding-top:8px;padding-bottom:6px;gap:6px 12px}
  .nav{order:3;width:100%;gap:18px;font-size:14px;padding-bottom:2px}
}

/* botones y piezas */
.boton{display:inline-flex;align-items:center;justify-content:center;gap:.5em;background:var(--boton-fondo);color:var(--boton-texto);border:0;border-radius:999px;
  padding:14px 24px;font:inherit;font-weight:800;font-size:17px;cursor:pointer;box-shadow:0 5px 0 var(--naranja);text-decoration:none;white-space:nowrap}
.boton:hover{color:var(--boton-texto);transform:translateY(-1px);box-shadow:0 6px 0 var(--naranja)}
.boton:active{transform:translateY(3px);box-shadow:0 2px 0 var(--naranja)}
.boton.secundario{background:transparent;color:var(--texto);box-shadow:none;border:2px solid var(--texto)}
.boton.secundario:hover{color:var(--texto);box-shadow:0 4px 0 var(--linea)}
.botones{display:flex;gap:14px;flex-wrap:wrap}
.sello{display:inline-block;border:3px solid var(--naranja-txt);color:var(--naranja-txt);font-family:'IBM Plex Mono',monospace;font-weight:600;
  letter-spacing:.12em;text-transform:uppercase;padding:.3em .65em;border-radius:6px;font-size:13px;transform:rotate(-3deg)}
.antetitulo{font-family:'IBM Plex Mono',monospace;font-size:14px;letter-spacing:.14em;color:var(--naranja-txt);font-weight:600;margin-bottom:18px;text-transform:uppercase}

/* gancho */
.gancho{padding:72px 0 60px}
.gancho .rejilla{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
@media (max-width:900px){.gancho .rejilla{grid-template-columns:1fr}.gancho{padding:40px 0 44px}}
h1{font-weight:900;font-stretch:78%;text-transform:uppercase;line-height:.9;letter-spacing:-.02em;word-spacing:.08em;font-size:clamp(46px,8vw,96px)}
h1 em{font-style:normal;color:var(--naranja-txt)}
@media (min-width:601px){h1 em{white-space:nowrap}}
h1.largo{font-size:clamp(44px,6.6vw,82px)}
.entradilla{font-size:clamp(18px,2.2vw,22px);max-width:580px;margin:24px 0 28px;color:var(--suave)}
.entradilla b{color:var(--texto)}
.ilus{width:100%;height:auto;display:block}
.ilus .tinta{fill:var(--texto)} .ilus .papel{fill:var(--fondo)} .ilus .tarj{fill:var(--tarjeta)} .ilus .trazo{stroke:var(--texto)}
@media (max-width:900px){.ilus{max-width:420px;margin:0 auto}}
@media (max-width:600px){.ilus{max-width:320px}}
.reglas.tres-col{grid-template-columns:repeat(3,1fr)}
@media (max-width:900px){.reglas.tres-col{grid-template-columns:1fr}}

/* secciones */
section{padding:72px 0;border-top:1px solid var(--linea)}
@media (max-width:600px){section{padding:52px 0}}
h2{font-weight:900;font-stretch:85%;text-transform:uppercase;line-height:.95;font-size:clamp(34px,5vw,56px);letter-spacing:-.01em;margin-bottom:12px}
h3{line-height:1.2}
.intro{color:var(--suave);max-width:680px;margin-bottom:36px;font-size:19px}
.nota{font-size:14px;color:var(--suave);margin-top:18px}
.dos{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.tres{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media (max-width:900px){.tres{grid-template-columns:1fr 1fr}}
@media (max-width:760px){.dos,.tres{grid-template-columns:1fr}}
.tarjeta{background:var(--tarjeta);border:1px solid var(--linea);border-radius:18px;padding:26px;box-shadow:0 1px 0 var(--linea),0 18px 30px -24px var(--sombra)}
@media (max-width:600px){.tarjeta{padding:20px}}
.tarjeta h3{font-size:22px;font-weight:800;margin-bottom:12px}
.tarjeta p+p{margin-top:10px}
.lista{list-style:none;display:grid;gap:10px}
.lista li{padding-left:28px;position:relative}
.lista li::before{content:"";position:absolute;left:0;top:.55em;width:14px;height:10px;background:var(--naranja);clip-path:polygon(0 100%,0 40%,50% 0,50% 40%,100% 0,100% 100%)}
.lista.no li::before{background:var(--suave);clip-path:none;height:3px;top:.75em}

/* tarjetas de demos (clase .caso) */
.casos{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
@media (max-width:760px){.casos{grid-template-columns:1fr}}
.caso{position:relative;display:flex;flex-direction:column}
.caso .num{font-family:'IBM Plex Mono',monospace;font-size:13px;letter-spacing:.14em;color:var(--naranja-txt);font-weight:600}
.caso h3{padding-right:62px;font-size:clamp(23px,2.8vw,29px);font-weight:900;font-stretch:90%;line-height:1.08;margin:8px 0 10px}
.caso p{color:var(--suave)}
.caso .icono{position:absolute;right:20px;top:20px}
.caso .datos{display:flex;flex-wrap:wrap;gap:8px 10px;margin-top:auto;padding-top:16px}
.dato{border:2px solid var(--texto);border-radius:12px;padding:6px 12px;font-size:14px;font-weight:600;line-height:1.25}
.dato b{font-family:'IBM Plex Mono',monospace;font-size:20px;display:block;font-weight:600}
.caso .fallo{margin-top:14px;font-size:15px;border-top:1px dashed var(--linea);padding-top:12px;color:var(--suave)}
.caso .fallo b{font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.1em;color:var(--texto);display:block;margin-bottom:4px}

/* oferta */
.oferta{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
@media (max-width:760px){.oferta{grid-template-columns:1fr}}
.pieza{display:flex;flex-direction:column;gap:10px;text-decoration:none;transition:transform .15s}
.pieza:hover{color:inherit;transform:translateY(-3px)}
.pieza .etiqueta{font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.12em;font-weight:600;color:var(--suave);text-transform:uppercase}
.pieza h3{font-size:26px;font-weight:900;font-stretch:90%;margin:0}
.pieza p{color:var(--suave)}
.pieza .ir{margin-top:auto;padding-top:8px;font-weight:800;color:var(--naranja-txt)}
.pieza .ir span{margin-left:.3em;font-family:'IBM Plex Mono',monospace;font-weight:500;font-size:15px}

/* reglas */
.reglas{counter-reset:r;display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
@media (max-width:760px){.reglas{grid-template-columns:1fr}}
.regla{display:grid;grid-template-columns:52px 1fr;gap:14px;background:var(--tarjeta);border:1px solid var(--linea);border-radius:16px;padding:18px 20px}
.regla::before{counter-increment:r;content:counter(r,decimal-leading-zero);font-family:'IBM Plex Mono',monospace;font-weight:600;font-size:24px;color:var(--naranja-txt);line-height:1.1}
.regla h3{font-size:19px;font-weight:800}
.regla p{color:var(--suave);font-size:16px;margin-top:4px}

/* temario */
.temario{counter-reset:m;display:grid;gap:12px}
.modulo{display:grid;grid-template-columns:64px 1fr;gap:16px;align-items:start;background:var(--tarjeta);border:1px solid var(--linea);border-radius:16px;padding:18px 22px}
.modulo::before{counter-increment:m;content:counter(m,decimal-leading-zero);font-family:'IBM Plex Mono',monospace;font-weight:600;font-size:26px;color:var(--naranja-txt)}
.modulo h3{font-size:20px;font-weight:800}
.modulo p{color:var(--suave);font-size:16px;margin-top:4px}
@media (max-width:600px){.modulo{grid-template-columns:40px 1fr;gap:10px;padding:16px}.modulo::before{font-size:20px}}


/* tabla sencilla */
.tabla{width:100%;border-collapse:collapse;font-size:16px;background:var(--tarjeta);border-radius:14px;overflow:hidden}
.tabla th,.tabla td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--linea);vertical-align:top}
.tabla th{font-family:'IBM Plex Mono',monospace;font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--suave);font-weight:600}
.tabla-envoltura{overflow-x:auto;border:1px solid var(--linea);border-radius:14px}

/* preguntas */
details{background:var(--tarjeta);border:1px solid var(--linea);border-radius:14px;padding:18px 22px}
details+details{margin-top:10px}
summary{cursor:pointer;font-weight:800;font-size:19px;list-style:none;display:flex;justify-content:space-between;gap:16px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-family:'IBM Plex Mono',monospace;color:var(--naranja-txt);font-size:22px;line-height:1}
details[open] summary::after{content:"–"}
details p{color:var(--suave);margin-top:10px}

/* lista de espera (sin envío) */
.lista-espera{display:flex;gap:10px;flex-wrap:wrap;max-width:560px}
.lista-espera input{flex:1 1 240px;min-width:0;border:2px solid var(--texto);background:var(--tarjeta);color:var(--texto);border-radius:999px;padding:13px 20px;font:inherit;font-size:17px}
.lista-espera input::placeholder{color:var(--suave)}
.aviso{font-size:14px;color:var(--suave);margin-top:12px;min-height:1.4em}
.aviso.on{color:var(--naranja-txt);font-weight:700}

.cierre{text-align:center}
.cierre .intro{margin:0 auto}
.cierre .lista-espera,.cierre .botones{margin:26px auto 0;justify-content:center}
.correo{font-family:'IBM Plex Mono',monospace;font-weight:600;font-size:clamp(20px,4vw,30px);word-break:break-all}

/* textos legales */
.legal{padding:48px 0 72px}
.legal .envoltura{max-width:780px}
.legal h1{font-size:clamp(40px,7vw,64px);margin-bottom:10px}
.legal h2{font-size:clamp(24px,3.4vw,30px);margin:40px 0 10px;font-stretch:90%}
.legal p,.legal li{color:var(--texto)}
.legal p+p,.legal ul+p,.legal p+ul{margin-top:12px}
.legal ul{padding-left:22px;display:grid;gap:6px}
.legal .fecha{color:var(--suave);font-size:15px}
.hueco{background:color-mix(in srgb,var(--naranja) 22%,transparent);border:1px dashed var(--naranja-txt);border-radius:4px;padding:0 4px;font-family:'IBM Plex Mono',monospace;font-size:.9em;font-weight:600}

/* pie */
.pie{border-top:1px solid var(--linea);padding:36px 0 48px;color:var(--suave);font-size:14px}
.pie .filas{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
.pie nav{display:flex;gap:16px;flex-wrap:wrap}
.pie p+p{margin-top:6px}
.pie a{color:var(--suave)} .pie a:hover{color:var(--texto)}

/* 404 */
.error{min-height:60vh;display:grid;place-items:center;text-align:center;padding:60px 0}
.error .codigo{font-family:'IBM Plex Mono',monospace;font-size:clamp(64px,16vw,140px);font-weight:600;color:var(--naranja-txt);line-height:1}
/* tienda: botón aún cerrado y citas en textos legales */
.pronto{cursor:not-allowed;opacity:.65}
.pronto:hover{transform:none;box-shadow:none}
.pronto small{background:var(--naranja);color:#1A1A1A;border-radius:999px;padding:2px 9px;font:600 12px 'IBM Plex Mono',monospace;margin-left:4px}
.legal h3{font-size:clamp(19px,2.6vw,22px);margin:26px 0 8px}
.legal ol{padding-left:22px;display:grid;gap:6px}
.legal .cita{border-left:4px solid var(--naranja);padding:6px 0 6px 14px;font-style:italic}

/* ── la factoría de la portada (SVG de construir.py; movimiento.js la acelera, la para y saca las piezas con el scroll).
   Solo transform y opacity; con movimiento reducido, la regla general de arriba lo deja todo quieto. */
.fabrica{position:relative}
.fabrica .ilus{overflow:visible;touch-action:manipulation}
.fabrica .huellas{fill:var(--fondo);opacity:.35;animation:hm-huellas .8s linear infinite}
.fabrica .rodillo{transform-box:fill-box;transform-origin:center;animation:hm-gira 1.4s linear infinite}
.fabrica .engranaje{transform-box:fill-box;transform-origin:center;animation:hm-gira 9s linear infinite}
.fabrica .luces rect{fill:#FFC14D;opacity:.85;animation:hm-luz 5.2s ease-in-out infinite}
.fabrica .luces rect:nth-child(2){animation-duration:6.6s;animation-delay:-2.1s}
.fabrica .luces rect:nth-child(3){animation-duration:4.4s;animation-delay:-3.3s}
.fabrica .luces rect:nth-child(4){opacity:.55;animation-duration:7.8s;animation-delay:-1.2s}
.fabrica .humo circle{fill:var(--suave);opacity:0;transform-box:fill-box;transform-origin:center;animation:hm-humo 4.8s cubic-bezier(.3,.6,.4,1) infinite}
.fabrica .humo circle:nth-child(2){animation-delay:-1.6s}
.fabrica .humo circle:nth-child(3){animation-delay:-3.2s}
.fabrica .pz{transform:translateX(var(--o));transform-box:fill-box;transform-origin:100% 100%;animation:hm-cinta 15s linear var(--t) infinite}
.fabrica .salida{will-change:transform,opacity}
.fabrica .letrero{transform-box:fill-box;transform-origin:50% 0;animation:hm-letrero 6s ease-in-out infinite alternate}
.fabrica.parada .ilus *{animation-play-state:paused!important}
.fabrica .pausa{visibility:hidden;display:block;margin:6px 0 0 auto;background:none;border:0;padding:6px 2px;color:var(--suave);
  font:600 12px/1.2 'IBM Plex Mono',monospace;letter-spacing:.1em;text-transform:uppercase;cursor:pointer}
.fabrica .pausa::before{content:"■ ";color:var(--naranja-txt)}
.fabrica .pausa[aria-pressed="true"]::before{content:"▶ "}
.fabrica .pausa:hover{color:var(--texto)}
.mov .fabrica .pausa{visibility:visible}
@keyframes hm-huellas{to{transform:translateX(20px)}}
@keyframes hm-gira{to{transform:rotate(360deg)}}
@keyframes hm-luz{0%,100%{opacity:.85}46%{opacity:.85}50%{opacity:.3}54%{opacity:.8}58%{opacity:.45}62%{opacity:.85}}
@keyframes hm-humo{0%{transform:translate(0,0) scale(.5);opacity:0}15%{opacity:.4}100%{transform:translate(22px,-70px) scale(2);opacity:0}}
@keyframes hm-cinta{0%{transform:translate(0,0) rotate(0);opacity:1;animation-timing-function:linear}84%{transform:translate(290px,0) rotate(0);opacity:1;animation-timing-function:cubic-bezier(.4,0,.9,.6)}100%{transform:translate(372px,70px) rotate(28deg);opacity:0}}
@keyframes hm-letrero{from{transform:rotate(-1.5deg)}to{transform:rotate(1.5deg)}}
@media (prefers-reduced-motion: reduce){.fabrica .humo circle{opacity:.35}.fabrica .humo circle:nth-child(2){transform:translate(10px,-24px) scale(1.4);opacity:.25}.fabrica .humo circle:nth-child(3){display:none}}

/* movimiento común: el subrayado animado sustituye al subrayado fijo del menú */
.nav a.subraya[aria-current="page"]{text-decoration:none}
.pie nav a.subraya{text-decoration:none}
@media (max-width:900px){.fabrica .pausa{margin:4px auto 0}}