/* Páginas de servicio (Investigación, Diseño, Brand, Tecnología): hero animado, marquesina,
   bloques numerados con columna fija y tarjeta "siguiente servicio". Se carga después de site.css. */
.sp-hero{min-height:0;padding:150px var(--pad) clamp(48px,7vw,96px);position:relative;}
.sp-top{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:clamp(28px,5vw,64px);}
.sp-top .eyebrow{margin:0;}
.sp-back{font-family:var(--mono);font-size:13px;letter-spacing:.06em;text-transform:uppercase;text-decoration:none;color:var(--muted);position:relative;padding-bottom:3px;}
.sp-back::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .35s cubic-bezier(.2,.7,.2,1);}
.sp-back:hover{color:var(--ink);} .sp-back:hover::after{transform:scaleX(1);}
.sp-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(24px,5vw,80px);align-items:center;}
.sp-title{
  font-family:var(--display);font-weight:400;font-size:clamp(34px,9vw,148px);line-height:1;letter-spacing:-.03em;margin:0 0 clamp(26px,4vw,48px);
}
.sp-title .w{display:inline-block;overflow:hidden;vertical-align:top;padding-bottom:.1em;margin-bottom:-.1em;}
.sp-title .w>span{display:inline-block;transform:translateY(108%);transition:transform .9s cubic-bezier(.2,.7,.2,1);transition-delay:calc(var(--k)*70ms);}
.sp-title.in .w>span{transform:none;}
.sp-tags{list-style:none;display:flex;flex-wrap:wrap;gap:8px;max-width:760px;}
.sp-tags li{font-family:var(--mono);font-size:12px;line-height:1.5;letter-spacing:.04em;text-transform:uppercase;padding:6px 11px;border:1px solid rgba(0,0,0,.3);
  opacity:0;transform:translateY(14px);transition:opacity .5s ease calc(.5s + var(--t,0)*50ms),transform .6s cubic-bezier(.2,.7,.2,1) calc(.5s + var(--t,0)*50ms),background .25s,color .25s,border-color .25s;}
.sp-hero.in .sp-tags li{opacity:1;transform:none;}
.sp-tags li:hover{background:var(--ink);color:#fff;border-color:var(--ink);}
.sp-art{position:relative;aspect-ratio:1/1;width:100%;max-width:460px;justify-self:end;}
.sp-art svg{position:absolute;inset:6%;width:88%;height:88%;stroke:var(--accent);stroke-width:1.4;fill:none;overflow:visible;}
.sp-art svg *{vector-effect:non-scaling-stroke;stroke-dasharray:1;stroke-dashoffset:1;transition:stroke-dashoffset 1.7s cubic-bezier(.4,.1,.2,1);}
.sp-hero.in .sp-art svg *{stroke-dashoffset:0;}
.sp-hero.in .sp-art svg *:nth-child(2){transition-delay:.12s;} .sp-hero.in .sp-art svg *:nth-child(3){transition-delay:.24s;}
.sp-hero.in .sp-art svg *:nth-child(4){transition-delay:.36s;} .sp-hero.in .sp-art svg *:nth-child(5){transition-delay:.48s;}
.sp-hero.in .sp-art svg *:nth-child(n+6){transition-delay:.6s;}
.sp-big{position:absolute;right:-2%;bottom:-8%;font-family:var(--display);font-size:clamp(130px,18vw,280px);line-height:.8;color:rgba(0,0,0,.07);letter-spacing:-.04em;pointer-events:none;}

.sp-lede{font-size:clamp(18px,1.6vw,22px);line-height:1.5;max-width:640px;margin:-8px 0 28px;color:var(--ink);opacity:0;transform:translateY(16px);transition:opacity .8s ease .45s,transform .9s cubic-bezier(.2,.7,.2,1) .45s;}
.sp-hero.in .sp-lede{opacity:1;transform:none;}
/* marquesina con los títulos de los bloques */
.sp-marquee{overflow:hidden;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);padding:22px 0;background:#fff;}
.sp-track{display:flex;width:max-content;animation:spMarq 36s linear infinite;}
.sp-marquee:hover .sp-track{animation-play-state:paused;}
.sp-track span{font-family:var(--display);font-size:clamp(34px,5.6vw,84px);line-height:1;text-transform:uppercase;letter-spacing:-.01em;white-space:nowrap;
  color:transparent;-webkit-text-stroke:1.2px var(--ink);padding-right:.5em;display:inline-flex;align-items:center;gap:.5em;}
.sp-track span::after{content:"/";color:var(--accent);-webkit-text-stroke:0;}
.sp-track span:nth-child(3n+2){color:var(--ink);-webkit-text-stroke:0;}
@keyframes spMarq{to{transform:translateX(-50%);}}

/* bloques numerados */
.sp-feats{min-height:0;padding:clamp(40px,6vw,90px) var(--pad) clamp(30px,5vw,60px);}
.sp-feat{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(24px,5vw,90px);padding:clamp(36px,5.5vw,84px) 0;position:relative;}
.sp-feat::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:rgba(0,0,0,.2);transition:width 1.1s ease-out .2s;}
.sp-feat.in::after{width:100%;}
.sp-feat:first-child::before{content:"";position:absolute;left:0;top:0;height:1px;width:100%;background:var(--ink);}
.sp-feat-head{position:sticky;top:120px;align-self:start;}
.sp-n{display:block;font-family:var(--mono);font-size:13px;letter-spacing:.06em;color:var(--accent);margin-bottom:18px;}
.sp-feat-head h2{font-family:var(--display);font-weight:400;font-size:clamp(32px,4.4vw,66px);line-height:1.05;letter-spacing:-.02em;max-width:12ch;}
.sp-feat-head h2::before{display:none !important;}
.sp-feat-body{max-width:720px;}
.sp-feat-body p{font-size:clamp(16px,1.3vw,18px);line-height:1.7;color:var(--ink);margin-bottom:20px;max-width:none;}
.sp-feat-body p:first-child{font-family:var(--display);font-size:clamp(22px,2.3vw,32px);line-height:1.3;letter-spacing:-.01em;margin-bottom:28px;}
.sp-feat-body p:last-child{margin-bottom:0;}
.sp-feat-head,.sp-feat-body p{opacity:0;transform:translateY(30px);transition:opacity .7s ease,transform .8s cubic-bezier(.2,.7,.2,1);}
.sp-feat.in .sp-feat-head{opacity:1;transform:none;}
.sp-feat.in .sp-feat-body p{opacity:1;transform:none;}
.sp-feat.in .sp-feat-body p:nth-child(1){transition-delay:.1s;} .sp-feat.in .sp-feat-body p:nth-child(2){transition-delay:.22s;} .sp-feat.in .sp-feat-body p:nth-child(3){transition-delay:.34s;}

/* siguiente servicio */
.sp-next-wrap{padding:clamp(30px,5vw,70px) var(--pad) clamp(60px,9vw,120px);}
.sp-next{position:relative;display:grid;grid-template-columns:1fr auto;align-items:end;gap:24px;overflow:hidden;text-decoration:none;color:#fff;background:var(--black);padding:clamp(28px,4.5vw,64px);min-height:clamp(220px,28vw,360px);}
.sp-next::before{content:"";position:absolute;inset:0;background:var(--accent);transform:translateY(101%);transition:transform .6s cubic-bezier(.2,.7,.2,1);}
.sp-next:hover::before{transform:none;}
.sp-next>*{position:relative;}
.sp-next-label{position:absolute;left:clamp(28px,4.5vw,64px);top:clamp(24px,3.5vw,48px);font-family:var(--mono);font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);transition:color .3s;}
.sp-next:hover .sp-next-label{color:var(--black);}
.sp-next-name{font-family:var(--display);font-weight:400;font-size:clamp(34px,9vw,144px);line-height:.95;min-width:0;letter-spacing:-.03em;transition:color .3s;}
.sp-next:hover .sp-next-name{color:var(--black);}
.sp-next-arrow{width:clamp(44px,6vw,92px);height:clamp(44px,6vw,92px);stroke:currentColor;stroke-width:1.4;fill:none;stroke-linecap:round;stroke-linejoin:round;transition:transform .5s cubic-bezier(.2,.7,.2,1),color .3s;}
.sp-next:hover .sp-next-arrow{transform:translate(6px,-6px) rotate(0);color:var(--black);}
.sp-end{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;margin-top:28px;}

@media (max-width:900px){
  .sp-grid{grid-template-columns:1fr;}
  .sp-art{max-width:260px;justify-self:start;}
  .sp-feat{grid-template-columns:1fr;}
  .sp-feat-head{position:static;}
  .sp-feat-head h2{max-width:none;}
}
@media (max-width:560px){ .sp-hero{padding-top:130px;} }
@media (max-width:420px){ .sp-next{padding:24px 20px;gap:12px;} .sp-next-name{font-size:30px;} .sp-next-arrow{width:30px;height:30px;} .sp-next-label{left:20px;} }
@media (prefers-reduced-motion:reduce){
  .sp-title .w>span,.sp-tags li,.sp-lede,.sp-feat-head,.sp-feat-body p{opacity:1 !important;transform:none !important;transition:none !important;}
  .sp-art svg *{stroke-dashoffset:0;transition:none;} .sp-track{animation:none;} .sp-feat::after{width:100%;transition:none;}
}