/* Interconecction · v1.2 inmersiva — piel v5 (tokens del proyecto) */
@font-face{font-family:'Inter Tight';src:url(fonts/InterTight-6.woff2) format('woff2');font-weight:100 900;font-display:swap}
@font-face{font-family:'JetBrains Mono';src:url(fonts/JetBrainsMono-12.woff2) format('woff2');font-weight:100 800;font-display:swap}
@font-face{font-family:'Satoshi';src:url(fonts/Satoshi-400.woff2) format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:'Satoshi';src:url(fonts/Satoshi-700.woff2) format('woff2');font-weight:700;font-display:swap}

:root{
  --negro:#0B0B0B;--negro2:#121212;--carbon:#1A1A1A;--borde:#262626;--borde2:#3A3A3A;
  --texto:#F2F2F0;--texto2:#A8A8A4;
  --verde:#B8FF2E;--acido:#00E676;--naranja:#FF6A13;
  --papel:#F6F4EF;--papel2:#ECE8DF;--blanco:#FFFFFF;
  --verde-o:#2F6B00;--acido-o:#00764A;--naranja-o:#B34200;--texto2-claro:#4B4B47;
  --display:'Inter Tight',system-ui,sans-serif;--cuerpo:'Satoshi','Inter Tight',sans-serif;--mono:'JetBrains Mono',ui-monospace,monospace;
  --ease:cubic-bezier(.23,1,.32,1);
  --suelo:var(--negro);--tinta:var(--texto);--tinta2:var(--texto2);--tono:var(--verde);--linea:var(--borde2);
  --gutter:clamp(16px,4vw,64px);
}
*{box-sizing:border-box;margin:0;padding:0}
html{background:var(--negro);color-scheme:dark;scroll-behavior:smooth}
body{background:var(--negro);color:var(--texto);font:400 clamp(16px,1.1vw,18px)/1.6 var(--cuerpo);overflow-x:hidden;-webkit-font-smoothing:antialiased}
::selection{background:var(--verde);color:var(--negro)}
a{color:inherit}
img{display:block;max-width:100%}

/* ── El mundo: un solo lienzo detrás de todo ───────────────────── */
#mundo{position:fixed;inset:0;width:100%;height:100%;z-index:0;display:block}
.sin-mundo #mundo{display:none}
.grano{position:fixed;inset:0;z-index:2;pointer-events:none;opacity:.06;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation:grano 1s steps(4) infinite}
@keyframes grano{0%{background-position:0 0}25%{background-position:-37px 23px}50%{background-position:29px -41px}75%{background-position:-17px -13px}}

main,.pie{position:relative;z-index:1}

/* Suelos: con mundo, las secciones son transparentes y el lienzo pinta el suelo */
[data-suelo]{--suelo:var(--negro)}
[data-suelo="negro2"]{--suelo:var(--negro2)}
[data-suelo="carbon"]{--suelo:var(--carbon)}
[data-suelo="papel"]{--suelo:var(--papel)}
[data-suelo="papel2"]{--suelo:var(--papel2)}
[data-suelo="blanco"]{--suelo:var(--blanco)}
[data-suelo="neon"]{--suelo:var(--verde)}
.claro{--tinta:var(--negro);--tinta2:var(--texto2-claro);--tono:var(--verde-o);--linea:#CFC9BC;color:var(--negro)}
.neon{--tinta:var(--negro);--tinta2:#1E2A0A;--tono:var(--negro);--linea:rgba(11,11,11,.35);color:var(--negro)}
.sin-mundo [data-suelo]{background:var(--suelo)}
.con-mundo [data-suelo]{background:transparent}
.con-mundo .pie{background:var(--negro)}

/* ── HUD ───────────────────────────────────────────────────────── */
.hud{position:fixed;top:0;left:0;right:0;z-index:20;display:flex;align-items:center;gap:2rem;padding:18px var(--gutter);color:var(--hud,#F2F2F0);transition:color .5s var(--ease)}
.hud::before{content:"";position:absolute;inset:0 0 -24px;z-index:-1;background:linear-gradient(var(--hud-velo,rgba(11,11,11,.72)),transparent);transition:background .5s}
body[data-hud="claro"]{--hud:#0B0B0B;--hud-velo:rgba(246,244,239,.8)}
body[data-hud="neon"]{--hud:#0B0B0B;--hud-velo:rgba(184,255,46,.85)}
.marca{display:flex;align-items:center;gap:.7rem;text-decoration:none;font:300 13px/1 var(--display);letter-spacing:.3em;text-transform:uppercase}
.marca svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.4}
.marca svg circle:last-child{stroke:var(--verde)}
body[data-hud="claro"] .marca svg circle:last-child{stroke:var(--verde-o)}
body[data-hud="neon"] .marca svg circle:last-child{stroke:var(--negro)}
.menu{display:flex;gap:1.8rem;margin-left:auto}
.menu a{font:500 11px/1 var(--mono);letter-spacing:.2em;text-transform:uppercase;text-decoration:none;opacity:.8;position:relative}
.menu a::after{content:"";position:absolute;left:0;right:100%;bottom:-6px;height:1px;background:currentColor;transition:right .4s var(--ease)}
.menu a:hover{opacity:1}.menu a:hover::after{right:0}
.hud-pie{position:fixed;left:var(--gutter);right:calc(var(--gutter) + 14px);bottom:18px;z-index:20;display:flex;gap:1.6rem;align-items:baseline;font:500 11px/1 var(--mono);letter-spacing:.2em;text-transform:uppercase;color:var(--hud,#F2F2F0);pointer-events:none;transition:color .5s}
.hud-pie b{font-weight:700;color:var(--hud-tono,var(--verde))}
body[data-hud="claro"]{--hud-tono:var(--verde-o)} body[data-hud="neon"]{--hud-tono:var(--negro)}
.hud-pie .dominio{margin-left:auto;opacity:.6}
.barra{position:fixed;top:0;right:0;width:2px;height:100vh;z-index:21;background:rgba(128,128,128,.18)}
.barra i{display:block;width:100%;height:100%;background:var(--hud-tono,var(--verde));transform-origin:top;transform:scaleY(0)}

/* ── Botones: único radio permitido, la píldora ────────────────── */
.btn{display:inline-flex;align-items:center;gap:.6rem;padding:1rem 1.6rem;border-radius:999px;border:0;background:var(--verde);color:var(--negro);font:700 13px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;text-decoration:none;cursor:pointer;transition:transform .4s var(--ease),background .3s}
.btn:hover{transform:translateY(-2px);background:#CCFF66}
.btn span{transition:transform .4s var(--ease)}.btn:hover span{transform:translateX(4px)}
.btn-mini{padding:.7rem 1.1rem;font-size:11px}
body[data-hud="neon"] .hud .btn{background:var(--negro);color:var(--verde)}
.btn-negro{background:var(--negro);color:var(--verde)}.btn-negro:hover{background:#222}
.btn-linea{font:500 12px/1 var(--mono);letter-spacing:.2em;text-transform:uppercase;text-decoration:none;padding:1rem 0;border-bottom:1px solid currentColor}
:focus-visible{outline:2px solid var(--naranja);outline-offset:3px}

/* ── Tipografía ────────────────────────────────────────────────── */
.rotulo{font:500 11px/1.4 var(--mono);letter-spacing:.2em;text-transform:uppercase;color:var(--tono);margin-bottom:1.4rem}
.titular,.grande,.gigante,.medio{font-family:var(--display);font-weight:800;letter-spacing:-.03em;line-height:.92;text-transform:uppercase;color:var(--tinta)}
.titular{font-size:clamp(46px,min(7.4vw,11.5vh),124px)}
.titular .l{display:block}
.acento{color:var(--verde)}
.claro .acento{color:var(--verde-o)}
.grande{font-size:clamp(44px,7vw,112px)}
.gigante{font-size:clamp(44px,9vw,150px);text-align:center}
.medio{font-size:clamp(30px,3.6vw,56px);line-height:.98;margin-bottom:1rem}
.contorno{color:transparent;-webkit-text-stroke:1.5px var(--tinta)}
.contorno.naranja{-webkit-text-stroke-color:var(--naranja)}
.entrada{font-size:clamp(17px,1.35vw,20px);max-width:46ch;margin:1.6rem 0 2rem;color:var(--tinta)}
.apoyo{max-width:52ch;color:var(--tinta2)}
.apoyo.centro{margin:1.6rem auto 0;text-align:center}
.acciones{display:flex;flex-wrap:wrap;gap:1.6rem;align-items:center}
.mono-lista{list-style:none;margin-top:1.6rem;border-top:1px solid var(--linea)}
.mono-lista li{display:flex;gap:1.2rem;padding:.7rem 0;border-bottom:1px solid var(--linea);font:500 13px/1.4 var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--tinta)}
.mono-lista span{color:var(--tono)}

/* ── Capítulos con el scroll tomado ────────────────────────────── */
.cap{height:var(--alto,300vh)}
.escena{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden;padding:96px var(--gutter) 64px;display:flex;flex-direction:column;justify-content:center}
.escena-centro{align-items:center;text-align:center}
.col{position:relative;max-width:640px}
.col-izq{max-width:min(620px,48vw)}
/* Velo local por columna: el mundo pasa por detrás y su brillo cambia con el scroll */
.col::before{content:"";position:absolute;inset:-18% -22%;z-index:-1;pointer-events:none;background:radial-gradient(closest-side,color-mix(in srgb,var(--suelo) 88%,transparent),color-mix(in srgb,var(--suelo) 55%,transparent) 55%,transparent);}
.sin-mundo .col::before{display:none}

/* Portada */
#portada .titular .l{opacity:0;transform:translateY(40%);animation:sube 1.1s var(--ease) forwards}
#portada .titular .l:nth-child(2){animation-delay:.12s}#portada .titular .l:nth-child(3){animation-delay:.24s}
@keyframes sube{to{opacity:1;transform:none}}
#portada .escena{justify-content:center}
#portada .col{transform:translateY(calc(var(--p,0) * -18vh));opacity:calc(1 - var(--p,0) * 1.6)}
.franja{list-style:none;display:flex;flex-wrap:wrap;gap:.6rem 2rem;margin-top:1.8rem;font:500 11px/1 var(--mono);letter-spacing:.2em;text-transform:uppercase;color:var(--texto2);opacity:calc(1 - var(--p,0) * 3)}
.franja li::before{content:"◆";color:var(--verde);margin-right:.7rem}
.pista{position:absolute;right:calc(var(--gutter) + 14px);bottom:64px;font:500 11px/1 var(--mono);letter-spacing:.2em;text-transform:uppercase;color:var(--texto2);display:flex;align-items:center;gap:.8rem;opacity:calc(1 - var(--p,0) * 4)}
.pista i{width:1px;height:40px;background:var(--verde);animation:pista 1.8s var(--ease) infinite;transform-origin:top}
@keyframes pista{0%{transform:scaleY(0)}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* Cinta */
.cinta-caja{position:relative;z-index:1;overflow:hidden;padding:3vh 0}
.cinta{position:relative;z-index:1;overflow:hidden;border-block:1px solid var(--borde2);background:var(--verde);color:var(--negro);padding:1rem 0;transform:rotate(-1.2deg) scale(1.02)}
.cinta div{display:flex;gap:2rem;width:max-content;animation:cinta 40s linear infinite;font:800 clamp(18px,2vw,28px)/1 var(--display);text-transform:uppercase;letter-spacing:-.01em;white-space:nowrap}
.cinta b{font-size:.6em;align-self:center}
@keyframes cinta{to{transform:translateX(-50%)}}

/* Tensión: las dos capas se separan */
.rot-fijo{position:absolute;top:96px;left:var(--gutter)}
.capa{position:absolute;max-width:min(560px,44vw)}
.capa-sup{left:var(--gutter);top:17vh;opacity:clamp(0,calc(var(--p,0) * 5 - .2),1);transform:translateY(calc((1 - clamp(0,var(--p,0)*4,1)) * 6vh))}
.capa-maq{right:calc(var(--gutter) + 14px);bottom:15vh;text-align:left;opacity:clamp(0,calc(var(--p,0) * 5 - 1.6),1);transform:translateY(calc((1 - clamp(0,var(--p,0)*4 - 1.2,1)) * 6vh))}
.remate{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:min(900px,86vw);text-align:center;font:800 clamp(24px,2.8vw,42px)/1.1 var(--display);letter-spacing:-.02em;text-transform:uppercase;color:var(--texto);opacity:clamp(0,calc(var(--p,0) * 6 - 4.3),1)}
.remate b{color:var(--verde);font-weight:800}
#tension .capa{opacity:calc(var(--o,1))}
#tension[data-fin] .capa{--o:.12}

/* Listas de pasos (servicios y método): una activa cada vez */
.lista-pasos{list-style:none;margin-top:1.8rem;border-top:1px solid var(--linea)}
.lista-pasos li{display:grid;grid-template-columns:3.2rem 1fr;border-bottom:1px solid var(--linea);padding:.55rem 0;transition:opacity .4s}
.lista-pasos li>span{font:500 12px/1.9 var(--mono);color:var(--tono);letter-spacing:.1em}
.lista-pasos b{font:700 clamp(15px,1.2vw,18px)/1.5 var(--display);letter-spacing:-.005em;text-transform:uppercase;display:block}
.lista-pasos b em{font:500 11px/1 var(--mono);letter-spacing:.15em;color:var(--tono);font-style:normal;margin-left:.6rem;white-space:nowrap}
.lista-pasos p{display:grid;grid-template-rows:0fr;overflow:hidden;color:var(--tinta2);max-width:48ch;transition:grid-template-rows .5s var(--ease),opacity .4s;opacity:0;max-height:0}
.lista-pasos li.activo p{opacity:1;max-height:14em;padding:.2rem 0 .5rem}
.con-mundo .lista-pasos li:not(.activo){opacity:.42}
.con-mundo .lista-pasos li.activo{border-bottom-color:var(--tinta)}
.sin-mundo .lista-pasos p{opacity:1;max-height:none}
.col-servicios .apoyo,.col-metodo .apoyo{font-size:.95em}
.semanas{position:absolute;right:calc(var(--gutter) + 14px);bottom:64px;display:flex;gap:2.2rem;font:700 12px/1 var(--mono);letter-spacing:.2em;color:var(--verde-o)}
.semanas span{opacity:.35;transition:opacity .4s}
#metodo[data-activo="2"] .semanas span,#metodo[data-activo="3"] .semanas span{opacity:1}

/* Bloques en flujo normal */
.bloque{position:relative;padding:18vh var(--gutter);overflow-x:clip}
.col-ancha{max-width:1100px;margin:0 auto}
.col-ancha::before{inset:-4% -6%}
.nota{margin-top:1.8rem;font-size:.9em;color:var(--tinta2);max-width:62ch}
.fecha-si{display:inline-flex;align-items:center;gap:1rem;margin:2rem 0 1.4rem;font:500 12px/1 var(--mono);letter-spacing:.2em;text-transform:uppercase}
.fecha-si input{font:600 15px/1 var(--mono);padding:.7rem .9rem;border:1px solid var(--negro);background:transparent;color:var(--negro);border-radius:0}
.fechas{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--linea)}
.fechas li{padding:1.2rem 1.2rem 1.2rem 0;border-right:1px solid var(--linea);display:flex;flex-direction:column;gap:.4rem}
.fechas li+li{padding-left:1.2rem}.fechas li:last-child{border-right:0}
.fechas b{font:800 clamp(22px,2.2vw,34px)/1 var(--display);text-transform:uppercase;letter-spacing:-.02em}
.fechas span{font-weight:700}
.fechas em{font:500 11px/1.4 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--verde-o);font-style:normal}

/* Proyectos: uno cada vez */
.proyectos{position:relative;height:100%;width:100%}
.proyecto{position:absolute;left:0;top:50%;transform:translateY(-50%);max-width:min(520px,42vw);opacity:0;visibility:hidden;transition:opacity .6s var(--ease),transform .8s var(--ease),visibility .6s}
.proyecto:nth-child(2){left:auto;right:14px}
.proyecto.activo{opacity:1;visibility:visible}
.proyecto:not(.activo){transform:translateY(-44%)}
.proyecto::before{content:"";position:absolute;inset:-14% -18%;z-index:-1;background:radial-gradient(closest-side,rgba(11,11,11,.9),rgba(11,11,11,.55) 60%,transparent)}
.proyecto-resto{max-width:min(1000px,100%);left:50%!important;right:auto!important;transform:translate(-50%,-50%)!important}
.resto{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;border-top:1px solid var(--borde2);padding-top:1.4rem}
.resto em{font:500 11px/1 var(--mono);letter-spacing:.2em;text-transform:uppercase;color:var(--verde);font-style:normal}
.resto b{display:block;font:800 22px/1.05 var(--display);text-transform:uppercase;margin:.8rem 0}
.resto p{color:var(--texto2);font-size:.95em}

/* Tecnología */
.tec{display:grid;grid-template-columns:repeat(4,1fr);margin-top:3rem;border-top:1px solid var(--borde2)}
.tec div{padding:1.4rem 1.4rem 0 0;border-right:1px solid var(--borde2)}
.tec div+div{padding-left:1.4rem}.tec div:last-child{border-right:0}
.tec dt{font:500 11px/1 var(--mono);letter-spacing:.2em;text-transform:uppercase;color:var(--acido);margin-bottom:1rem}
.tec dd{color:var(--texto2)}

/* Preguntas */
.faq{margin-top:2.6rem;border-top:1px solid var(--negro)}
.faq details{border-bottom:1px solid #D9D4C8}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:1rem;padding:1.3rem 0;font:700 clamp(18px,1.6vw,24px)/1.2 var(--display);text-transform:uppercase;letter-spacing:-.01em}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font:400 26px/1 var(--mono);color:var(--naranja-o);transition:transform .4s var(--ease)}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 0 1.5rem;max-width:70ch;color:var(--texto2-claro)}

/* Cierre */
.col-form{max-width:980px;margin:0 auto}
.col-form::before{inset:-4% -8%}
.formulario{margin-top:2.6rem;display:grid;gap:1.1rem}
.dos{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}
.formulario label{display:flex;flex-direction:column;gap:.5rem;font:500 11px/1 var(--mono);letter-spacing:.18em;text-transform:uppercase}
.formulario small{font-size:inherit;opacity:.7;letter-spacing:.1em}
.formulario input,.formulario select,.formulario textarea{font:500 17px/1.4 var(--cuerpo);color:var(--negro);background:rgba(255,255,255,.28);border:0;border-bottom:1px solid var(--negro);border-radius:0;padding:.8rem .2rem;width:100%}
.formulario input:focus,.formulario select:focus,.formulario textarea:focus{outline:0;background:rgba(255,255,255,.55)}
.trampa{position:absolute!important;left:-9999px}
.enviar{display:flex;flex-wrap:wrap;gap:1.2rem;align-items:center;margin-top:.6rem}
.aviso{font-size:.85em;max-width:44ch;color:#1E2A0A}
.estado{font:600 13px/1.4 var(--mono);min-height:1.4em}
.correo{display:block;margin-top:4rem;font:800 clamp(22px,5.2vw,84px)/1 var(--display);letter-spacing:-.04em;text-decoration:none;word-break:break-all;border-bottom:2px solid var(--negro);padding-bottom:.4rem;width:max-content;max-width:100%}

/* Pie */
.pie{overflow-x:clip;display:grid;grid-template-columns:2fr 1fr 1fr;gap:2rem;padding:10vh var(--gutter) 90px;border-top:1px solid var(--borde)}
.pie a{display:block;text-decoration:none;color:var(--texto2);padding:.25rem 0}.pie a:hover{color:var(--verde)}
.marca-texto{font:300 16px/1 var(--display);letter-spacing:.3em;text-transform:uppercase}
.pie p{color:var(--texto2);margin-top:.6rem}
.pie-copy{grid-column:1/-1;font:500 11px/1 var(--mono);letter-spacing:.2em;text-transform:uppercase}

/* Pósters: solo cuando no hay mundo */
.poster{display:none}
.sin-mundo .poster{display:block;margin-top:2rem;max-width:720px;border:1px solid var(--borde2)}
.sin-mundo .cap{height:auto}
.sin-mundo .escena{position:relative;height:auto;min-height:0;padding-block:16vh}
.sin-mundo .capa,.sin-mundo .remate,.sin-mundo .rot-fijo,.sin-mundo .franja,.sin-mundo .pista,.sin-mundo .proyecto{position:relative;inset:auto;transform:none!important;opacity:1!important;visibility:visible;max-width:720px;margin-bottom:3rem;text-align:left;width:auto}
.sin-mundo .proyectos{height:auto}
.sin-mundo #portada .col{transform:none;opacity:1}
.sin-mundo .semanas{display:none}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}#portada .titular .l{opacity:1;transform:none}html{scroll-behavior:auto}}

/* ── Móvil ─────────────────────────────────────────────────────── */
@media (max-width:820px){
  .menu{display:none}
  .hud{gap:1rem}.hud .btn-mini{margin-left:auto}
  .hud-pie .dominio{display:none}
  .col-izq,.capa,.proyecto{max-width:100%}
  .escena{padding:84px var(--gutter) 56px;justify-content:flex-start}
  #portada .escena{justify-content:flex-start;padding-top:18vh}
  .titular{font-size:clamp(40px,12.5vw,64px)}
  .capa-sup{top:14vh;right:var(--gutter)}
  .capa-maq{left:var(--gutter);bottom:10vh}
  .grande{font-size:clamp(38px,11vw,60px)}
  .col-servicios .apoyo,.col-metodo .apoyo{display:none}
  .col-servicios,.col-metodo{padding-top:30vh}
  .col-servicios::before,.col-metodo::before{top:24vh}
  .lista-pasos li:not(.activo){display:none}
  .lista-pasos{border-top:0}
  .medio{font-size:clamp(28px,8vw,40px)}
  .proyecto{top:auto;bottom:0;transform:none}
  .proyecto:not(.activo){transform:translateY(6%)}
  .proyecto:nth-child(2){right:auto;left:0}
  .proyecto .apoyo{font-size:.95em}
  .proyecto-resto{left:0!important;transform:none!important;top:0;bottom:auto}
  .resto{grid-template-columns:1fr;gap:1rem}.resto p{display:none}
  .fechas,.tec{grid-template-columns:1fr 1fr}
  .fechas li:nth-child(3){padding-left:0}
  .tec div:nth-child(3){padding-left:0}
  .dos{grid-template-columns:1fr}
  .pie{grid-template-columns:1fr}
  .franja{gap:.6rem 1.2rem}
  .pista{display:none}
  .semanas{left:var(--gutter);right:auto}
}

/* Tecnología y preguntas llevan su suelo pintado: en el relevo, el título que
   entra nunca queda sobre el suelo equivocado. */
.con-mundo #tecnologia,.con-mundo #preguntas{background:linear-gradient(transparent,var(--suelo) 14vh,var(--suelo) calc(100% - 14vh),transparent)}