/* ===== NeuroPop · sistema "clinico oscuro" =====
   Paleta adoptada de NeuroTune; tipografia de tumai.tech, para que los
   proyectos de Maria compartan una sola voz: Instrument Serif para display
   (un solo peso, nunca pedir 500 o el navegador lo sintetiza) y Schibsted
   Grotesk para texto. JetBrains Mono solo para cifras.
   Los tokens estan escritos para que anadir el modo claro sea un solo bloque. */
@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Schibsted+Grotesk:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root{
  /* Paleta clara, la misma de NeuroTune. Los tokens estaban escritos para esto:
     cambiar de fondo es cambiar este bloque, nada mas. */
  --bg:#F1F5F4;
  --bg-2:#E7EEEC;
  --panel:#FCFDFC;
  --panel-2:#E7EEEC;
  --line:#D4DEDB;
  --line-2:#B6C4C0;
  --txt:#16211F;
  --dim:#4A5754;
  --faint:#71807C;
  --accent:#0D6A5F;
  --accent-2:#0A4F47;     /* sobre claro, el enfasis es mas oscuro, no mas claro */
  --accent-soft:#D4E8E3;
  --accent-ink:#FCFDFC;   /* texto encima del acento */
  --good:#2C7A55;
  /* alias que usa la pagina de grid-cells */
  --magenta:var(--accent);--mag:var(--accent);--cyan:var(--accent);--violet:var(--accent);
  --orange:var(--accent);--amber:var(--accent-2);--pale:#16211F;--line-soft:var(--line);
  --display:"Instrument Serif",Georgia,"Times New Roman",serif;
  --sans:"Schibsted Grotesk",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;  /* solo para cifras */
  --r:16px;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%}
body{background:var(--bg);color:var(--txt);font-family:var(--sans);
  font-size:16.5px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--accent-2);text-decoration:none}
::selection{background:var(--accent);color:var(--accent-ink)}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:6px}

/* ===== nav ===== */
.topnav{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:18px;
  padding:13px 22px;background:color-mix(in srgb,var(--bg) 90%,transparent);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.topnav .brand{display:flex;align-items:center;gap:9px;font-weight:700;
  font-size:17px;letter-spacing:-.01em;color:var(--txt)}
.topnav .brand .hex{color:var(--accent);font-size:14px}
.topnav .brand .acc{color:var(--accent)}
.tabs{display:flex;gap:2px;flex:1;overflow-x:auto;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tabs a{font-weight:400;font-size:14.5px;color:var(--dim);padding:8px 14px;
  border-radius:999px;white-space:nowrap;transition:.16s}
.tabs a:hover{color:var(--txt);background:var(--panel-2)}
.tabs a.active{background:var(--accent);color:var(--accent-ink);font-weight:700}
.tabs a .soon{font-size:11px;color:var(--faint);border:1px solid var(--line-2);
  border-radius:6px;padding:1px 6px;margin-left:7px}
#langToggle{font-family:var(--sans);font-size:13px;color:var(--dim);background:transparent;
  border:1px solid var(--line-2);padding:7px 14px;border-radius:999px;cursor:pointer;transition:.16s}
#langToggle:hover{border-color:var(--accent);color:var(--txt)}

/* Etiqueta legible. Ya no es monoespaciada de 9,5px en mayusculas. */
.eyebrow{font-size:.78rem;letter-spacing:.11em;text-transform:uppercase;
  font-weight:700;color:var(--accent)}

/* ===== home ===== */
.home-wrap{max-width:1060px;margin:0 auto;padding:0 22px 90px}
.hero{position:relative;overflow:hidden;padding:96px 4px 88px;
  display:flex;flex-direction:column;justify-content:center;align-items:flex-start}
#neuralnet{position:absolute;inset:0;width:100%;height:100%;z-index:0;cursor:crosshair}
.hero::after{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(115% 88% at 6% 50%,var(--bg) 0%,
    color-mix(in srgb,var(--bg) 70%,transparent) 36%,transparent 68%)}
.hero>*{position:relative;z-index:1;max-width:800px;pointer-events:none}
.hero .eyebrow{margin-bottom:22px}
.hero h1{font-family:var(--display);font-weight:400;
  font-size:clamp(31px,5.6vw,62px);letter-spacing:-.014em;line-height:1.1;
  max-width:18ch;margin:0;color:var(--txt)}
.hero h1 .acc{font-style:normal;color:inherit}   /* sin cursiva: se leia como frase generada */
.hero p{color:var(--dim);font-size:clamp(16px,2vw,18.5px);max-width:52ch;
  margin:22px 0 0;line-height:1.62}
.hero p b{color:var(--txt);font-weight:700}
.hero .cue{display:flex;align-items:center;gap:10px;margin-top:26px;
  font-size:.82rem;color:var(--accent);font-weight:700}
.hero .cue i{display:block;width:26px;height:1px;background:var(--accent)}
@media(max-width:620px){.hero .cue{display:none}}

.reveal{opacity:0;transform:translateY(18px);
  transition:opacity .6s cubic-bezier(.2,.7,.2,1),transform .6s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

.section-head{display:flex;align-items:baseline;justify-content:space-between;
  gap:16px;margin:12px 2px 18px;padding-bottom:11px;border-bottom:1px solid var(--line)}
.section-head h2{font-family:var(--display);font-weight:400;font-size:clamp(20px,3vw,25px);
  letter-spacing:-.01em;margin:0;color:var(--txt);text-transform:none}
.section-head .eyebrow{color:var(--faint);flex:none}

/* ===== mosaico =====
   El tamano de cada baldosa es informacion: dice que esta construido. */
.mos{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;grid-auto-rows:minmax(0,auto)}
.mos + .section-head{margin-top:56px}
.tile{position:relative;display:flex;flex-direction:column;color:inherit;
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--panel);
  transition:transform .2s cubic-bezier(.2,.7,.2,1),border-color .2s}
.tile:hover{transform:translateY(-4px);border-color:var(--line-2)}
.tile.big{grid-column:span 2;grid-row:span 2}
.tile.wide{grid-column:span 2}
.tile.full{grid-column:span 4;flex-direction:row;align-items:center;gap:18px;
  padding:18px 22px;background:transparent;border-style:dashed}
.tile.full:hover{transform:none}
.tile .viz{position:relative;flex:1;min-height:96px;background:var(--accent-soft);
  display:flex;align-items:center;justify-content:center}
.tile.big .viz{min-height:252px}
.tile .viz canvas{position:absolute;inset:0;width:100%;height:100%;z-index:1}
.tile .viz .glyph{font-size:44px;line-height:1;color:var(--accent);opacity:.8;position:relative}
.tile .viz.live-viz .glyph{display:none}
.tile .body{padding:15px 17px 17px;border-top:1px solid var(--line)}
.tile.full .body{padding:0;border-top:0;flex:1}
.tile h3{font-family:var(--display);font-weight:400;margin:0 0 6px;
  font-size:21px;color:var(--txt);letter-spacing:-.01em;line-height:1.14}
.tile.big h3{font-size:30px;margin-bottom:9px}
.tile.full h3{font-size:22px;margin-bottom:4px}
.tile p{margin:0;font-size:13.5px;color:var(--dim);line-height:1.55}
.tile.big p{font-size:15.5px}
.tile.locked{cursor:default;background:var(--panel-2)}
.tile.locked:hover{transform:none;border-color:var(--line)}
.tile.locked .viz{background:var(--panel-2)}
.tile.locked .viz .glyph{color:var(--faint);opacity:.5}
.tile.locked h3{color:var(--dim)}
@media(max-width:820px){
  .mos{grid-template-columns:repeat(2,1fr)}
  .tile.big{grid-column:span 2;grid-row:span 1}
  .tile.big .viz{min-height:186px}
  .tile.full{grid-column:span 2}
}
@media(max-width:460px){
  .mos{grid-template-columns:1fr}
  .tile.big,.tile.wide,.tile.full{grid-column:span 1}
  .tile.full{flex-direction:column;align-items:flex-start;gap:10px}
}

.home-foot{margin-top:58px;padding-top:28px;border-top:1px solid var(--line);
  color:var(--dim);font-size:15px;line-height:1.66}
.home-foot .legal{max-width:70ch;margin:26px 0 0;padding-top:18px;
  border-top:1px solid var(--line);font-size:13.5px;line-height:1.62;color:var(--faint)}

@media(max-width:620px){
  .home-wrap{padding:0 18px 70px}
  .hero{padding:48px 0 44px}
}
@media(max-width:560px){
  .section-head{flex-direction:column;align-items:flex-start;gap:6px}
}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .cards .card,.cards .card .thumb .glyph,}

/* ===== seccion "explicacion", reutilizada por cada tema ===== */
.explainer{max-width:760px;margin:52px auto 0;padding:0 4px}
.explainer .eyebrow{display:block;text-align:center;margin-bottom:16px}
.explainer .lead{font-family:var(--display);font-weight:400;
  font-size:clamp(24px,3.6vw,36px);letter-spacing:-.014em;color:var(--txt);
  text-align:center;margin:0 0 14px;line-height:1.16}
.explainer .lead-sub{text-align:center;color:var(--dim);margin:0 auto 30px;
  max-width:56ch;font-size:16px;line-height:1.6}
.explainer .step{display:grid;grid-template-columns:44px 1fr;gap:18px;
  padding:28px 0;border-top:1px solid var(--line)}
.explainer .step .idx{font-family:var(--mono);font-size:14px;color:var(--accent);padding-top:5px}
.explainer .step h3{font-family:var(--display);font-weight:400;font-size:21px;
  margin:0 0 10px;color:var(--txt);letter-spacing:-.01em}
.explainer .step p{margin:0;color:var(--dim);font-size:16px;line-height:1.68}
.explainer .step p b{color:var(--txt);font-weight:700}
.explainer .step .src{display:block;font-size:12.5px;color:var(--faint);margin-top:12px}
.explainer .pull{margin:36px 0 0;padding:22px 26px;border-left:3px solid var(--accent);
  background:var(--accent-soft);border-radius:0 12px 12px 0;
  font-family:var(--display);font-weight:400;font-style:italic;
  font-size:clamp(18px,2.6vw,23px);color:var(--txt);line-height:1.45}
@media(max-width:560px){.explainer .step{grid-template-columns:1fr;gap:8px}}


/* ===== el cerebro es la portada =====
   Titular arriba, cerebro centrado debajo, y las piezas saliendo de el. */
.home-wrap .hero.has-3d{
  text-align:center; align-items:center; padding:64px 0 34px;
}
.home-wrap .hero.has-3d::after{display:none}   /* sin velo: el cerebro manda */
.home-wrap .hero.has-3d #neuralnet{opacity:.2;transition:opacity 1.2s ease}   /* atmosfera, detras del cerebro */
.home-wrap .hero.has-3d>*{margin-left:auto;margin-right:auto;max-width:860px}
.home-wrap .hero.has-3d h1{max-width:24ch}
.home-wrap .hero.has-3d p{max-width:56ch}
.home-wrap .hero.has-3d .cue{justify-content:center}

/* La altura la da .brain-ready, que el script pone ANTES de medir. Si se gateaba
   con .has-3d el contenedor media 0, el script abortaba y nunca llegaba a cargar. */
#brain3d{height:0;margin:0!important;overflow:hidden}
.home-wrap .hero.brain-ready #brain3d{
  position:relative; width:100%; max-width:none!important;
  height:clamp(430px,54vh,560px); margin:26px 0 0!important;
  pointer-events:none; z-index:1; overflow:visible;
}
#brain3d canvas{position:absolute;inset:0;width:100%!important;height:100%!important;
  pointer-events:auto}
#brainlines{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;overflow:visible}
.bline{fill:none;stroke:var(--line-2);stroke-width:1;opacity:.8;transition:stroke .2s,opacity .2s}
.bline.soon{stroke-dasharray:3 5}
.bline.on{stroke:var(--accent);opacity:1;stroke-width:1.4}

/* las etiquetas, repartidas en anillo alrededor del cerebro */
.blab{
  position:absolute; z-index:3; transform:translate(-50%,-50%);
  pointer-events:auto; text-decoration:none; color:var(--txt);
  text-align:left; white-space:nowrap; padding:7px 13px; border-radius:999px;
  background:var(--panel);
  border:1px solid var(--line-2); backdrop-filter:blur(8px);
  box-shadow:0 2px 10px #16211F0f;
  transition:border-color .2s,background .2s,transform .2s;
}
.blab.flip{text-align:right}
.blab .bn{display:block;font-family:var(--display);font-weight:400;font-size:1.12rem;line-height:1.1}
.blab em{display:block;font-style:normal;font-size:.72rem;color:var(--faint);margin-top:3px}
.blab:hover,.blab.on{border-color:var(--accent);background:var(--accent-soft);
  transform:translate(-50%,-50%) scale(1.04)}
.blab:hover .bn,.blab.on .bn{color:var(--accent-2)}
.blab.soon{opacity:.72}
.blab.soon .bn{color:var(--dim)}
.blab:focus-visible{outline:3px solid var(--accent);outline-offset:4px}


/* ===== las dos lentes ===== */
.lens{display:none}
.home-wrap .hero.brain-ready .lens{
  pointer-events:auto;   /* .hero>* las bloqueaba */
  display:flex;gap:3px;padding:4px;margin:20px auto 0;width:fit-content;max-width:100%;
  background:var(--panel);border:1px solid var(--line-2);border-radius:999px;overflow-x:auto;
  scrollbar-width:none}
.lens::-webkit-scrollbar{display:none}
.lens button{pointer-events:auto;font-family:var(--sans);font-size:13px;font-weight:600;color:var(--dim);
  background:none;border:0;padding:8px 16px;border-radius:999px;cursor:pointer;
  white-space:nowrap;transition:.18s}
.lens button:hover{color:var(--txt)}
.lens button[aria-pressed="true"]{background:var(--accent);color:var(--accent-ink)}

/* una pieza fuera de la lente se apaga pero no desaparece */
.blab.dim{opacity:.2;pointer-events:none}
.bline.dim{opacity:.12}

/* ===== el panel de detalle ===== */
#brainpanel{
  box-shadow:0 18px 50px #16211F1a;
  position:absolute;right:0;top:50%;transform:translateY(-50%) translateX(12px);
  width:min(300px,42%);background:var(--panel);border:1px solid var(--accent);
  border-radius:var(--r);padding:20px 22px;text-align:left;pointer-events:auto;
  opacity:0;transition:opacity .28s ease,transform .28s cubic-bezier(.2,.7,.2,1);z-index:5}
#brainpanel.show{opacity:1;transform:translateY(-50%) translateX(0)}
#brainpanel h3{font-family:var(--display);font-weight:400;font-size:1.6rem;
  margin:2px 0 3px;line-height:1.1;letter-spacing:-.01em}
#brainpanel .reg{font-size:.82rem;color:var(--faint);margin-bottom:13px}
#brainpanel p{font-size:.92rem;color:var(--dim);line-height:1.58}
#brainpanel .go{display:inline-flex;align-items:center;gap:7px;margin-top:16px;
  background:var(--accent);color:var(--accent-ink);font-weight:700;font-size:.88rem;
  padding:11px 20px;border-radius:999px;text-decoration:none;min-height:44px}
#brainpanel .go:hover{background:var(--accent-2)}
#brainpanel .go.off{background:transparent;color:var(--faint);
  border:1px solid var(--line-2);pointer-events:none}
#brainpanel .x{position:absolute;top:10px;right:12px;background:none;border:0;
  color:var(--faint);font-size:19px;line-height:1;cursor:pointer;padding:5px}
#brainpanel .x:hover{color:var(--txt)}
/* con el panel abierto, el resto se calla */
#brain3d.picked .blab{opacity:0;pointer-events:none}
#brain3d.picked .bline{opacity:.10}
#brain3d.picked .bline.sel{opacity:1;stroke:var(--accent);stroke-width:1.4}

/* ===== la rejilla de piezas, solo en movil ===== */


/* ===== el cerebro tambien en movil =====
   La rejilla de baldosas ya no es "la version movil": es el respaldo real,
   y solo aparece si el 3D no ha llegado a cargar, en cualquier tamano. */
.brain-live .only-mobile{display:none}

#brainchips{display:none!important}

/* en compacto la pildora deja de flotar y se pone en fila */

@media(max-width:759px){
  /* el anillo cabe si le damos alto y encogemos las etiquetas */
  .home-wrap .hero.brain-ready #brain3d{height:clamp(440px,64vh,560px);margin-top:14px!important}
  .home-wrap .hero.has-3d #neuralnet{opacity:.14}

  .blab{padding:5px 9px;border-radius:12px}
  .blab .bn{font-size:.86rem;line-height:1.08}
  .blab em{font-size:.6rem;margin-top:1px}
  .bline{stroke-width:.8;opacity:.6}

  /* el panel sube desde abajo, como una hoja */
  #brainpanel{
    position:fixed;left:0;right:0;bottom:0;top:auto;width:auto;
    transform:translateY(100%);border-radius:18px 18px 0 0;
    border:1px solid var(--line-2);border-bottom:0;padding:22px 20px calc(24px + env(safe-area-inset-bottom,0px));
    max-height:70vh;overflow-y:auto;z-index:60}
  #brainpanel.show{transform:translateY(0)}
}

@media(max-width:430px){
  /* a esta anchura el nombre solo: la region se lee en el panel */
  .blab em{display:none}
  .blab .bn{font-size:.8rem}
  .home-wrap .hero.brain-ready #brain3d{height:clamp(430px,62vh,520px)}
}