/* obra.css — hero inmersivo «obra de arte» (scrollytelling 3D) de la home.
   Depende de plano.css (tokens, fuentes, header, footer). Aislado: solo estilos de la obra.
   CSP script-src 'self': el motor va en assets/js/obra.js + assets/js/lib/ (autoalojado). */

/* la obra ocupa su tramo de scroll y luego libera el flujo hacia el formulario */
.obra-track{position:relative;z-index:1;height:700vh;pointer-events:none}
.obra-stage{position:sticky;top:0;height:100vh;height:100dvh;overflow:hidden;
  background:var(--paper);
  background-image:linear-gradient(rgba(46,94,140,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(46,94,140,.045) 1px,transparent 1px);background-size:36px 36px}
#scene{position:absolute;inset:0;z-index:1}
#scene canvas{display:block}
.obra-ui{position:absolute;inset:0;z-index:10;pointer-events:none}

.stepwrap{position:absolute;inset:0}
.step{position:absolute;left:0;right:0;bottom:0;padding:0 clamp(20px,5vw,60px) clamp(48px,8vh,96px);opacity:0;transform:translateY(24px);visibility:hidden;will-change:opacity,transform}
/* el hero no espera a las libs 3D: visible desde el primer paint (obra.js lo pisa con estilo inline al arrancar).
   El resto nace con visibility:hidden para que sus CTA no sean tabulables mientras las libs descargan. */
.step[data-step="0"]{opacity:1;transform:none;visibility:visible}
.step .ref{font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--red);margin:0 0 16px}
.step h1{font-family:var(--disp);font-weight:600;text-transform:uppercase;letter-spacing:.012em;line-height:.9;font-size:clamp(2.8rem,8.5vw,8rem);margin:0;max-width:15ch;color:var(--ink)}
.step h2{font-family:var(--disp);font-weight:600;text-transform:uppercase;letter-spacing:.012em;line-height:.95;font-size:clamp(2rem,5.2vw,4.5rem);margin:0;max-width:16ch;color:var(--ink)}
.step .red{color:var(--red)}
.step p{margin:20px 0 0;color:var(--ink-2);font-size:1.1rem;max-width:40ch;line-height:1.5}
.step .cta{pointer-events:auto;display:inline-block;margin-top:26px;font-family:var(--mono);font-size:13px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;text-decoration:none;padding:15px 28px;background:var(--red);color:var(--paper);border:1.5px solid var(--red)}
.step .cta:hover{background:var(--red-ink);border-color:var(--red-ink)}
.step .metric{font-family:var(--disp);font-weight:600;font-size:clamp(2rem,5vw,4.1rem);line-height:1;color:var(--red);margin-top:12px}
.step .metric small{font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-2);display:block;font-weight:400}
.step .s2{margin:14px 0 0;color:var(--ink-2);font-size:1rem;line-height:1.45;max-width:42ch}
/* nombre de add-on (plugin) grande, para que se lea como un producto */
.step .plug{font-family:var(--disp);font-weight:600;text-transform:uppercase;letter-spacing:.01em;line-height:.92;font-size:clamp(1.8rem,4vw,3rem);color:var(--red);margin:0 0 5px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.step .plug .plug-t{font-family:var(--mono);font-weight:400;font-size:11px;letter-spacing:.14em;color:var(--ink-2);border:1.5px solid var(--hair);padding:4px 9px;line-height:1;flex:none}
.step.center{display:flex;flex-direction:column;align-items:center;justify-content:center;bottom:auto;top:0;height:100%;text-align:center;padding-bottom:0}
.step.center .s2{margin-left:auto;margin-right:auto}
.scrollcue{position:absolute;left:50%;bottom:22px;transform:translateX(-50%);font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-2);text-align:center}
.scrollcue span{display:block;width:1px;height:26px;background:var(--ink-2);margin:8px auto 0;opacity:.5}
@media (prefers-reduced-motion: no-preference){.scrollcue span{animation:obraBob 2.2s ease-in-out infinite}@keyframes obraBob{0%,100%{transform:translateY(0)}50%{transform:translateY(6px)}}}

/* índice / «saber más» */
.idx-btn{position:fixed;right:clamp(16px,4vw,48px);bottom:22px;z-index:44;pointer-events:auto;
  font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;
  display:flex;align-items:center;gap:9px;padding:11px 16px;background:var(--ink);color:var(--paper);border:1.5px solid var(--ink);cursor:pointer;transition:opacity .3s,visibility .3s}
.idx-btn[hidden]{display:flex;opacity:0;visibility:hidden;pointer-events:none}
.idx-btn .idx-dot{width:7px;height:7px;background:var(--red);border-radius:50%;flex:none}
.idx-btn:hover{background:#0f2130}
.idx-btn:focus-visible{outline:2px solid var(--red);outline-offset:3px}
.idx-scrim{position:fixed;inset:0;z-index:48;background:rgba(21,42,61,.30)}
.idx-panel{position:fixed;top:0;right:0;bottom:0;z-index:49;width:min(444px,93vw);pointer-events:auto;
  background:var(--paper);border-left:1.5px solid var(--ink);overflow-y:auto;overscroll-behavior:contain;box-shadow:-22px 0 60px rgba(21,42,61,.14);
  background-image:linear-gradient(rgba(46,94,140,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(46,94,140,.05) 1px,transparent 1px);background-size:30px 30px}
.idx-head{position:relative;padding:26px clamp(20px,4vw,32px) 4px}
.idx-kick{font-family:var(--mono);font-size:11px;letter-spacing:.15em;text-transform:uppercase;color:var(--red);margin:0 0 8px}
.idx-title{font-family:var(--disp);font-weight:600;text-transform:uppercase;letter-spacing:.012em;font-size:1.85rem;line-height:1;margin:0;max-width:14ch}
.idx-close{position:absolute;top:22px;right:20px;background:none;border:1.5px solid var(--hair);color:var(--ink);width:34px;height:34px;cursor:pointer;font-size:14px;line-height:1}
.idx-close:hover{border-color:var(--ink)}
.idx-close:focus-visible,.idx-item:focus-visible,.idx-jump:focus-visible,.idx-foot a:focus-visible{outline:2px solid var(--red);outline-offset:2px}
.idx-intro{padding:12px clamp(20px,4vw,32px) 4px;color:var(--ink-2);font-size:.92rem;line-height:1.55;margin:0}
.idx-intro b{color:var(--ink)}
.idx-list{list-style:none;margin:16px 0 8px;padding:0}
.idx-row{border-top:1px solid var(--hair)}
.idx-row:last-child{border-bottom:1px solid var(--hair)}
.idx-item{width:100%;display:flex;align-items:center;gap:14px;padding:15px clamp(20px,4vw,32px);background:none;border:0;cursor:pointer;text-align:left;color:inherit}
.idx-item:hover{background:var(--paper-2)}
.idx-item .idx-n{font-family:var(--mono);font-size:12px;color:var(--red);letter-spacing:.04em;flex:none}
.idx-item .idx-lbl{display:flex;flex-direction:column;gap:3px;flex:1}
.idx-item .idx-lbl b{font-family:var(--disp);font-weight:600;text-transform:uppercase;letter-spacing:.01em;font-size:1.18rem;color:var(--ink);line-height:1}
.idx-item .idx-lbl em{font-family:var(--mono);font-style:normal;font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-2)}
.idx-item .idx-plus{font-family:var(--mono);font-size:19px;color:var(--ink-2);flex:none;transition:transform .2s,color .2s}
.idx-item[aria-expanded=true] .idx-plus{transform:rotate(45deg);color:var(--red)}
.idx-item[aria-expanded=true]{background:var(--paper-3)}
.idx-det{padding:2px clamp(20px,4vw,32px) 20px}
.idx-det p{color:var(--ink-2);font-size:.96rem;line-height:1.6;margin:0 0 15px;max-width:47ch}
.idx-jump{position:relative;font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--red);background:none;border:1.5px solid var(--red);padding:9px 15px;cursor:pointer}
.idx-jump:hover{background:var(--red);color:var(--paper)}
/* área táctil ≥44px sin engordar el recuadro dibujado */
.idx-btn::after,.idx-close::after,.idx-jump::after{content:"";position:absolute;inset:-6px}
.idx-foot{padding:18px clamp(20px,4vw,32px) 34px;font-family:var(--mono);font-size:11.5px;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-2);margin:0}
.idx-foot a{color:var(--red);text-decoration:none;border-bottom:1px solid transparent}
.idx-foot a:hover{border-bottom-color:var(--red)}
@media (prefers-reduced-motion: no-preference){.idx-panel{animation:idxIn .26s ease-out}@keyframes idxIn{from{transform:translateX(24px);opacity:.3}to{transform:none;opacity:1}}}

/* FORMULARIO POR PASOS (mejora progresiva; sin JS se ve el formulario completo) */
.fprog{height:4px;background:var(--paper-2);margin:0 0 24px;overflow:hidden}
.fprog span{display:block;height:100%;width:20%;background:var(--red);transition:width .45s cubic-bezier(.2,.8,.2,1)}
.ff-stepped .fstep[hidden]{display:none}
.fstep-head{margin:0 0 20px}
.fstep-n{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--red);margin:0 0 8px}
.fstep-t{font-family:var(--disp);font-weight:600;text-transform:uppercase;letter-spacing:.01em;font-size:clamp(1.55rem,3vw,2.15rem);line-height:1;margin:0 0 6px;color:var(--ink)}
.fstep-s{color:var(--ink-2);font-size:.95rem;line-height:1.45;margin:0}
.fstep-err{color:var(--red);font-family:var(--mono);font-size:12px;letter-spacing:.02em;margin:12px 0 0;min-height:1px}
.fstep-nav{display:flex;gap:12px;margin-top:26px;align-items:center;flex-wrap:wrap}
.fnav-next,.fnav-back{font-family:var(--mono);font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;cursor:pointer;padding:14px 24px;border:1.5px solid var(--ink);line-height:1}
.fnav-next{background:var(--ink);color:var(--paper);margin-left:auto}
.fnav-next:hover{background:#0f2130}
.fnav-back{background:none;color:var(--ink)}
.fnav-back:hover{background:var(--paper-2)}
.fnav-next:focus-visible,.fnav-back:focus-visible{outline:2px solid var(--red);outline-offset:2px}
@media (prefers-reduced-motion: no-preference){
  .ff-stepped .fstep:not([hidden]){animation:fstepIn .38s cubic-bezier(.2,.8,.2,1)}
  @keyframes fstepIn{from{opacity:0;transform:translateX(16px)}to{opacity:1;transform:none}}
}
/* fallback sin JavaScript */
.obra-fallback{padding:clamp(40px,9vh,120px) 0}
.obra-fallback .of-eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--red);margin:0 0 18px}
.obra-fallback h1{font-family:var(--disp);font-weight:600;text-transform:uppercase;letter-spacing:.012em;line-height:.95;font-size:clamp(2.4rem,6vw,4.6rem);margin:0 0 20px;color:var(--ink)}
.obra-fallback .of-lead{color:var(--ink-2);font-size:1.15rem;line-height:1.55;max-width:56ch;margin:0 0 26px}
.obra-fallback .of-svc{list-style:none;padding:0;margin:34px 0 0;display:grid;gap:22px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.obra-fallback .of-svc h2{font-family:var(--disp);font-weight:600;text-transform:uppercase;font-size:1.3rem;margin:0 0 6px;color:var(--ink)}
.obra-fallback .of-svc p{color:var(--ink-2);line-height:1.55;margin:0}

/* el botón «volver arriba» estorba durante la obra: oculto mientras está en pantalla */
body.obra-inview .cbk-scroll-top{display:none!important}
/* móvil: descongestionar la banda inferior del hero (índice fuera de la banda del CTA, sin cue) */
@media (max-width:640px){
  .idx-btn{top:66px;bottom:auto;right:12px;padding:9px 12px;font-size:11px;gap:7px}
  .scrollcue{display:none}
  .step{padding-bottom:clamp(40px,7vh,72px)}
}