/* ===================== LAUSIV STUDIO — base ===================== */
:root{
  --ink:#0d0d0d;
  --paper:#f3f1ea;
  --paper-2:#e9e6dd;
  --line:rgba(13,13,13,.14);
  --muted:#5c5a54;
  --font-display:"Space Grotesk", system-ui, sans-serif;
  --font-body:"Inter", system-ui, sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
section[id],main[id]{scroll-margin-top:84px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font-body);-webkit-font-smoothing:antialiased;overflow-x:hidden}
body.ls-lock{overflow:hidden;height:100vh}
#lausiv-app{position:relative}
.ls-wrap{width:min(1180px,90vw);margin:0 auto}
a{color:inherit;text-decoration:none}

/* ===================== INTRO: VISUAL -> LAUSIV (mismas letras, al revés) + STUDIO ===================== */
.ls-intro{position:fixed;inset:0;z-index:9999;background:var(--paper);overflow:hidden;display:grid;place-items:center}
.ls-intro__panel{position:absolute;inset:0;background:var(--ink);clip-path:circle(0% at 50% 50%);transition:clip-path 1.1s cubic-bezier(.76,0,.24,1)}
.ls-intro__stage{position:relative;z-index:2;text-align:center;line-height:.95}
.ls-morph{font-family:var(--font-display);font-weight:700;font-size:clamp(2.4rem,13vw,9rem);color:var(--ink);white-space:nowrap;display:inline-block;transition:color .9s ease}
.ls-morph span{display:inline-block}
.ls-studio{overflow:hidden;height:0;font-size:clamp(1.5rem,8vw,5.6rem);transition:height .5s ease .15s}
.ls-studio span{display:block;font-family:var(--font-display);font-weight:400;line-height:1.1;letter-spacing:.06em;color:var(--paper);transform:translateY(120%);transition:transform .75s cubic-bezier(.7,0,.2,1) .2s}
/* fase MORPH: el FLIP (app.js) reordena las letras a LAUSIV y las anima a su posición real (apretado) */
/* fase INVERT: fondo a negro + texto a blanco + STUDIO entra */
.ls-intro.invert .ls-intro__panel{clip-path:circle(150% at 50% 50%)}
.ls-intro.invert .ls-morph{color:var(--paper)}
.ls-intro.invert .ls-studio{height:1.25em}
.ls-intro.invert .ls-studio span{transform:translateY(0)}
.ls-intro.done{opacity:0;pointer-events:none;transition:opacity .7s ease .1s}

/* ===================== NAV ===================== */
.ls-nav{position:fixed;top:0;left:0;right:0;z-index:900;display:flex;align-items:center;justify-content:space-between;
  padding:18px clamp(18px,4vw,46px);mix-blend-mode:difference;color:#fff;transition:opacity .4s ease}
.ls-brand{font-family:var(--font-display);font-weight:700;font-size:1.05rem;letter-spacing:.02em}
.ls-brand span{font-weight:400;opacity:.8;margin-left:.18em}
.ls-links{display:flex;align-items:center;gap:clamp(14px,2vw,30px);font-size:.86rem}
.ls-links a{opacity:.85}
.ls-links a:hover{opacity:1}
.ls-cta-sm{border:1px solid #fff;border-radius:999px;padding:8px 16px;opacity:1!important}

/* ===================== HERO ===================== */
.ls-hero{min-height:100vh;display:flex;flex-direction:column;justify-content:center;padding:120px 0 60px;position:relative}
.ls-kicker{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.22em;font-size:.74rem;color:var(--muted);margin:0 0 22px}
.ls-hero__h1{font-family:var(--font-display);font-weight:700;font-size:clamp(2.6rem,8vw,7rem);line-height:.98;letter-spacing:-.03em;margin:0;max-width:14ch}
.ls-hero__h1 em{font-style:normal;-webkit-text-stroke:1.4px var(--ink);color:transparent}
.ls-hero__lead{font-size:clamp(1.05rem,1.6vw,1.4rem);line-height:1.5;max-width:46ch;color:var(--muted);margin:30px 0 0}
.ls-hero__cta{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:40px;max-width:540px}
.ls-hero__cta .ls-btn{width:100%;text-align:center;padding-left:16px;padding-right:16px}
.ls-btn{display:inline-block;background:var(--ink);color:var(--paper);font-family:var(--font-display);font-weight:500;font-size:.92rem;padding:15px 28px;border-radius:999px;border:1px solid var(--ink);transition:transform .2s ease,background .2s ease}
.ls-btn:hover{transform:translateY(-2px)}
.ls-btn--ghost{background:transparent;color:var(--ink)}
.ls-btn--big{font-size:1.1rem;padding:20px 42px}
.ls-scrollcue{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);font-family:var(--font-display);font-size:.68rem;letter-spacing:.3em;color:var(--muted)}

/* ===================== MANIFIESTO (rotator) ===================== */
.ls-manifesto{padding:clamp(60px,12vh,140px) 0;background:var(--ink);color:var(--paper);border-top:1px solid rgba(243,241,234,.12);border-bottom:1px solid rgba(243,241,234,.12)}
.ls-rotator{font-family:var(--font-display);font-weight:700;font-size:clamp(2rem,7vw,6rem);line-height:1;letter-spacing:-.02em;display:flex;flex-wrap:wrap;align-items:baseline;gap:.3em}
.ls-rotator__static{position:relative;opacity:.85;color:var(--paper)}
.ls-rotator__static::before,.ls-rotator__static::after{content:attr(data-text);position:absolute;top:0;left:0;width:100%;height:100%;background:var(--ink);overflow:hidden;pointer-events:none}
.ls-rotator__static::before{color:#e8ff00;clip-path:inset(0 0 100% 0);animation:lsGlitchTop 4s steps(1) infinite}
.ls-rotator__static::after{color:#00e5ff;clip-path:inset(100% 0 0 0);animation:lsGlitchBot 4s steps(1) infinite}
@keyframes lsGlitchTop{0%,92%,100%{clip-path:inset(0 0 100% 0);transform:translateX(0)}93%{clip-path:inset(0 0 62% 0);transform:translateX(-3px)}95%{clip-path:inset(28% 0 40% 0);transform:translateX(3px)}97%{clip-path:inset(8% 0 76% 0);transform:translateX(-2px)}99%{clip-path:inset(44% 0 30% 0);transform:translateX(2px)}}
@keyframes lsGlitchBot{0%,92%,100%{clip-path:inset(100% 0 0 0);transform:translateX(0)}94%{clip-path:inset(58% 0 8% 0);transform:translateX(3px)}96%{clip-path:inset(78% 0 4% 0);transform:translateX(-3px)}98%{clip-path:inset(48% 0 26% 0);transform:translateX(2px)}}
.ls-rotator__words{position:relative;display:inline-grid}
.ls-rotator__words b{grid-area:1/1;font-weight:700;opacity:0;transform:translateY(.25em);transition:opacity .5s,transform .5s}
.ls-rotator__words b.on{opacity:1;transform:none}

/* ===================== SECCIONES ===================== */
.ls-sec{padding:clamp(70px,12vh,150px) 0}
.ls-sec--dark{background:var(--ink);color:var(--paper)}
.ls-sec--legal{background:var(--paper-2)}
.ls-eyebrow{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.2em;font-size:.72rem;color:var(--muted);display:block;margin:0 0 36px}
.ls-sec--dark .ls-eyebrow{color:rgba(243,241,234,.55)}
.ls-h2{font-family:var(--font-display);font-weight:700;font-size:clamp(1.9rem,4.5vw,3.6rem);line-height:1.02;letter-spacing:-.02em;margin:0 0 24px;max-width:18ch}

/* servicios */
.ls-svc{display:grid;gap:clamp(40px,6vw,90px);grid-template-columns:1fr;border-top:1px solid var(--line)}
.ls-svc__item{padding-top:38px;border-bottom:1px solid var(--line);padding-bottom:38px}
.ls-svc__no{font-family:var(--font-display);font-size:.8rem;color:var(--muted)}
.ls-svc__item h2{font-family:var(--font-display);font-weight:700;font-size:clamp(1.6rem,3.6vw,2.8rem);letter-spacing:-.02em;margin:10px 0 14px}
.ls-svc__item p{font-size:1.05rem;line-height:1.6;max-width:54ch;color:var(--muted)}
.ls-caps{list-style:none;padding:0;margin:22px 0 0;display:flex;flex-wrap:wrap;gap:10px}
.ls-caps li{font-family:var(--font-display);font-size:.82rem;border:1px solid var(--line);border-radius:999px;padding:7px 14px;cursor:pointer;transition:box-shadow .3s,border-color .3s,background .3s}
.ls-caps li:hover,.ls-caps li.lit{border-color:#e8ff00;background:rgba(232,255,0,.12);box-shadow:0 0 0 1px #e8ff00,0 0 22px rgba(232,255,0,.55)}
.ls-media{margin-top:26px;aspect-ratio:16/7;border:1px solid var(--line);display:grid;place-items:center;position:relative;overflow:hidden;background:repeating-linear-gradient(45deg,rgba(13,13,13,.03) 0 14px,transparent 14px 28px)}

/* enfoques (acordeón) — recuadros con neón amarillo discreto + trazo Tron al abrir */
@property --lsang{syntax:'<angle>';inherits:false;initial-value:0deg}
.ls-acc{display:grid;gap:16px}
.ls-acc__item{position:relative;border:1px solid rgba(232,255,0,.22);border-radius:14px;background:rgba(255,255,255,.015);
  box-shadow:0 0 0 1px rgba(232,255,0,.05), 0 0 16px rgba(232,255,0,.05);
  transition:box-shadow .35s ease,border-color .35s ease}
.ls-acc__item:hover{border-color:rgba(232,255,0,.42);box-shadow:0 0 0 1px rgba(232,255,0,.1), 0 0 26px rgba(232,255,0,.13)}
.ls-acc__item.open{border-color:transparent;box-shadow:0 0 26px rgba(232,255,0,.16)}
.ls-acc__head{width:100%;display:flex;align-items:center;gap:20px;background:none;border:0;color:var(--paper);font-family:var(--font-display);font-weight:500;text-align:left;padding:24px 26px;cursor:pointer;font-size:clamp(1.2rem,2.6vw,2.1rem);letter-spacing:-.01em;transition:padding-left .25s}
.ls-acc__head:hover{padding-left:34px}
.ls-acc__no{font-size:.8rem;opacity:.7;flex:0 0 auto;color:#e8ff00}
.ls-acc__name{flex:1}
.ls-acc__plus{font-weight:400;color:#e8ff00;transition:transform .3s}
.ls-acc__item.open .ls-acc__plus{transform:rotate(45deg)}
.ls-acc__panel{max-height:0;overflow:hidden;transition:max-height .4s ease}
.ls-acc__inner{padding:2px 26px 30px}
.ls-acc__inner p{margin:0;max-width:62ch}
.ls-acc__hook{font-family:var(--font-display);font-weight:600;font-size:clamp(1.1rem,2vw,1.5rem);color:var(--paper);line-height:1.22;margin-bottom:12px!important}
.ls-acc__body{color:rgba(243,241,234,.72);font-size:1.02rem;line-height:1.6}
.ls-acc__for{font-size:.88rem;color:rgba(243,241,234,.5);margin-top:16px!important;padding-top:13px;border-top:1px solid rgba(232,255,0,.16)}
.ls-acc__for b{color:#e8ff00;font-weight:600;font-family:var(--font-display)}
/* trazo Tron: haz de luz girando por el borde al abrir */
.ls-acc__item.open::before{content:'';position:absolute;inset:0;border-radius:14px;padding:1.6px;pointer-events:none;z-index:3;
  background:conic-gradient(from var(--lsang), transparent 0 62%, #e8ff00 80%, #fff7cc 88%, #e8ff00 94%, transparent 100%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;
  mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);mask-composite:exclude;
  animation:lsTron 1.7s linear infinite}
@keyframes lsTron{to{--lsang:360deg}}

/* trabajo / clientes */
.ls-logos{display:flex;flex-wrap:wrap;gap:clamp(20px,4vw,54px);align-items:center;font-family:var(--font-display);font-weight:500;font-size:clamp(1.1rem,2.4vw,1.8rem);opacity:.55;margin:8px 0 28px}
.ls-note{color:var(--muted);font-size:1rem;line-height:1.6;max-width:60ch}
.ls-cases{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:44px}
.ls-case{aspect-ratio:3/4;border:1px solid var(--line);display:grid;place-items:center;position:relative;overflow:hidden;background:repeating-linear-gradient(45deg,rgba(13,13,13,.03) 0 14px,transparent 14px 28px)}
.ls-media__img,.ls-case__img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;z-index:1}
/* galería de trabajo (mosaico) */
.ls-gallery{column-count:3;column-gap:14px;margin-top:44px}
@media(max-width:900px){.ls-gallery{column-count:2}}
@media(max-width:560px){.ls-gallery{column-count:1}}
.ls-g{break-inside:avoid;margin:0 0 14px;position:relative;overflow:hidden;border:1px solid var(--line);background:#0d0d0d;display:block}
.ls-g>img,.ls-g video{display:block;width:100%;height:auto}
.ls-g--v video{aspect-ratio:9/16;object-fit:cover}
.ls-g figcaption{position:absolute;inset:auto 0 0 0;padding:18px 14px 12px;font-family:var(--font-display);font-size:.8rem;letter-spacing:.03em;color:#fff;background:linear-gradient(transparent,rgba(0,0,0,.66));opacity:0;transform:translateY(6px);transition:opacity .3s,transform .3s;pointer-events:none}
.ls-g:hover figcaption{opacity:1;transform:none}
.ls-g--play{cursor:pointer}
.ls-g__poster{position:relative;aspect-ratio:16/9;display:grid;place-items:center;background:radial-gradient(circle at 50% 42%,#1c1c1c,#000)}
.ls-g__playbtn{width:62px;height:62px;border-radius:999px;border:1.5px solid #fff;background:rgba(0,0,0,.25);color:#fff;font-size:1rem;display:grid;place-items:center;transition:transform .25s,background .25s,color .25s,border-color .25s}
.ls-g--play:hover .ls-g__playbtn{transform:scale(1.1);background:#e8ff00;color:#000;border-color:#e8ff00}
.ls-g--play figcaption{opacity:1;transform:none}

/* legal / cruz díaz */
.ls-lead-2{font-size:clamp(1.05rem,1.6vw,1.3rem);line-height:1.5;max-width:50ch;color:var(--muted);margin:0 0 30px}

/* por qué */
.ls-why{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;border-top:1px solid var(--line);padding-top:40px}
.ls-why__item h3{font-family:var(--font-display);font-weight:600;font-size:1.2rem;margin:0 0 8px}
.ls-why__item p{margin:0;color:var(--muted);line-height:1.55}

/* cta */
.ls-sec--cta{background:var(--ink);color:var(--paper);text-align:center}
.ls-cta__h{font-family:var(--font-display);font-weight:700;font-size:clamp(2.2rem,7vw,5.5rem);line-height:1;letter-spacing:-.02em;margin:0 0 38px}
.ls-sec--cta .ls-btn{background:var(--paper);color:var(--ink);border-color:var(--paper)}
.ls-sec--cta .ls-note{color:rgba(243,241,234,.5);margin:24px auto 0}

/* footer */
.ls-footer{padding:40px 0;border-top:1px solid var(--line)}
.ls-footer .ls-wrap{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center}
.ls-footer .ls-brand{color:var(--ink)}
.ls-footer p{margin:0;color:var(--muted);font-size:.85rem}

/* reveals */
.ls-reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.ls-reveal.in{opacity:1;transform:none}

/* responsive */
@media(max-width:760px){
  .ls-links a:not(.ls-cta-sm){display:none}
  .ls-cases,.ls-why{grid-template-columns:1fr}
  .ls-hero__h1 em{-webkit-text-stroke:1px var(--ink)}
}
@media(prefers-reduced-motion:reduce){
  .ls-intro__w span,.ls-intro__panel{transition:none}
  .ls-btn--metal::after,.ls-ico-ads i,.ls-ico-foto .flash,.ls-ico-social .heart,.ls-rotator__static::before,.ls-rotator__static::after{animation:none}
}

/* ============ NAV: menú 3 puntos (overlay negro, wosh) ============ */
.ls-nav__right{display:flex;align-items:center;gap:clamp(12px,2vw,20px)}
.ls-menu-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;width:38px;height:38px;padding:0;border:0;background:none;color:inherit;cursor:pointer;position:relative;z-index:1001}
.ls-menu-btn span{width:5px;height:5px;border-radius:50%;background:currentColor;transition:transform .3s,background .3s}
.ls-menu-btn:hover span{transform:scale(1.3);background:#e8ff00}
.ls-menu{position:fixed;inset:0;z-index:1000;background:#0c0c0e;color:var(--paper);display:flex;flex-direction:column;justify-content:center;padding:0 clamp(28px,9vw,140px);visibility:hidden;pointer-events:none;clip-path:circle(0% at calc(100% - 42px) 40px);transition:clip-path .62s cubic-bezier(.76,0,.24,1),visibility 0s .62s}
.ls-menu.open{visibility:visible;pointer-events:auto;clip-path:circle(150% at calc(100% - 42px) 40px);transition:clip-path .62s cubic-bezier(.76,0,.24,1)}
.ls-menu__close{position:absolute;top:24px;right:clamp(20px,5vw,52px);background:none;border:0;color:var(--paper);font-size:1.7rem;line-height:1;cursor:pointer;font-family:var(--font-display)}
.ls-menu__close:hover{color:#e8ff00}
.ls-menu__nav{display:flex;flex-direction:column;gap:clamp(4px,1.4vh,16px)}
.ls-menu__nav a{font-family:var(--font-display);font-weight:700;font-size:clamp(2rem,8.5vw,4.6rem);letter-spacing:-.02em;line-height:1.04;color:var(--paper);width:max-content;max-width:100%;opacity:0;transform:translateY(28px);transition:opacity .5s ease,transform .5s ease,color .2s}
.ls-menu__nav a:hover{color:#e8ff00}
.ls-menu.open .ls-menu__nav a{opacity:1;transform:none}
.ls-menu.open .ls-menu__nav a:nth-child(1){transition-delay:.14s}
.ls-menu.open .ls-menu__nav a:nth-child(2){transition-delay:.20s}
.ls-menu.open .ls-menu__nav a:nth-child(3){transition-delay:.26s}
.ls-menu.open .ls-menu__nav a:nth-child(4){transition-delay:.32s}
.ls-menu.open .ls-menu__nav a:nth-child(5){transition-delay:.38s}
.ls-menu.open .ls-menu__nav a:nth-child(6){transition-delay:.44s}
.ls-menu__tag{margin-top:clamp(26px,5vh,52px);font-family:var(--font-body);font-size:.86rem;letter-spacing:.04em;color:rgba(243,241,234,.45)}
body.ls-menu-open{overflow:hidden}

/* ============ BOTÓN METÁLICO + RESPLANDOR AMARILLO QUE CRUZA (a Cruz Díaz) ============ */
.ls-btn--metal{position:relative;overflow:hidden;border:1px solid rgba(255,255,255,.22);color:#fff;
  background:linear-gradient(135deg,#34343a 0%,#47474e 24%,#1d1d21 52%,#43434b 76%,#2a2a2f 100%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.28),inset 0 -3px 8px rgba(0,0,0,.55),0 8px 24px rgba(0,0,0,.32)}
.ls-btn--metal::after{content:'';position:absolute;top:-60%;left:-80%;width:48%;height:220%;pointer-events:none;
  background:linear-gradient(100deg,transparent,rgba(232,255,0,.65) 36%,rgba(255,255,255,.95) 50%,rgba(232,255,0,.65) 64%,transparent);
  transform:skewX(-20deg);filter:blur(1px);animation:lsShine 3.4s ease-in-out infinite}
@keyframes lsShine{0%{left:-80%}24%{left:165%}100%{left:165%}}

/* ============ PARA TU NEGOCIO (marcas pequeñas) ============ */
.ls-sec--dark .ls-note{color:rgba(243,241,234,.6)}
.ls-biz{display:flex;flex-wrap:wrap;justify-content:center;gap:clamp(16px,2vw,26px);margin-top:48px}
.ls-biz__item{--bizc:#e8ff00;flex:0 1 calc(33.333% - 18px);min-width:240px;border:1px solid color-mix(in srgb,var(--bizc) 32%,transparent);border-radius:16px;padding:30px 26px 34px;background:color-mix(in srgb,var(--bizc) 6%,transparent);transition:border-color .3s,box-shadow .3s,transform .3s}
.ls-biz__item:nth-child(even){--bizc:#00e5ff}
.ls-biz__item:hover{border-color:var(--bizc);box-shadow:0 0 30px color-mix(in srgb,var(--bizc) 18%,transparent);transform:translateY(-4px)}
.ls-biz__item h3{font-family:var(--font-display);font-weight:600;font-size:1.35rem;margin:22px 0 10px}
.ls-biz__item p{margin:0;color:rgba(243,241,234,.7);line-height:1.55;font-size:1rem}
.ls-biz__ico{width:64px;height:64px;display:flex;align-items:flex-end;justify-content:center;gap:6px;position:relative}
.ls-ico-ads i{display:block;width:12px;height:30%;background:var(--bizc);border-radius:3px 3px 0 0;animation:lsBars 1.6s ease-in-out infinite}
.ls-ico-ads i:nth-child(2){animation-delay:.22s}
.ls-ico-ads i:nth-child(3){animation-delay:.44s}
@keyframes lsBars{0%,100%{height:28%}50%{height:100%}}
.ls-ico-foto{align-items:center}
.ls-ico-foto .lens{width:46px;height:34px;border:2.5px solid var(--paper);border-radius:8px;position:relative;display:block}
.ls-ico-foto .lens::after{content:'';position:absolute;top:50%;left:50%;width:16px;height:16px;border:2.5px solid var(--paper);border-radius:50%;transform:translate(-50%,-50%)}
.ls-ico-foto .flash{position:absolute;top:0;left:0;right:0;bottom:0;border-radius:10px;pointer-events:none;background:radial-gradient(circle at 50% 45%,var(--bizc),transparent 62%);opacity:0;animation:lsFlash 2.9s ease-in-out infinite}
@keyframes lsFlash{0%,84%,100%{opacity:0}86%{opacity:1}90%{opacity:.08}93%{opacity:.85}96%{opacity:0}}
.ls-ico-social{align-items:center;justify-content:center}
.ls-ico-social .heart{font-size:46px;line-height:1;color:var(--bizc);display:inline-block;animation:lsBeat 1.3s ease-in-out infinite}
@keyframes lsBeat{0%,100%{transform:scale(.9)}14%{transform:scale(1.14)}28%{transform:scale(.96)}42%{transform:scale(1.05)}56%{transform:scale(.95)}}
.ls-ico-reels{align-items:center}
.ls-ico-reels .play{width:48px;height:48px;border:2.5px solid var(--paper);border-radius:50%;display:flex;align-items:center;justify-content:center;position:relative}
.ls-ico-reels .play::after{content:'';width:0;height:0;border-left:15px solid var(--bizc);border-top:9px solid transparent;border-bottom:9px solid transparent;margin-left:4px;animation:lsPulse 1.5s ease-in-out infinite}
@keyframes lsPulse{0%,100%{transform:scale(.82);opacity:.7}50%{transform:scale(1.06);opacity:1}}
.ls-ico-models{align-items:center}
.ls-ico-models .person{position:relative;width:42px;height:48px;animation:lsBob 2s ease-in-out infinite}
.ls-ico-models .person::before{content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);width:17px;height:17px;border-radius:50%;background:var(--bizc)}
.ls-ico-models .person::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:32px;height:27px;border-radius:16px 16px 7px 7px;background:var(--bizc)}
@keyframes lsBob{0%,100%{transform:translateY(0)}50%{transform:translateY(-4px)}}
@media(max-width:760px){.ls-biz__item{flex-basis:100%}}

/* ============ BOTÓN VOLVER ARRIBA ============ */
.ls-top{position:fixed;right:clamp(16px,3vw,28px);bottom:clamp(16px,3vw,28px);z-index:800;width:48px;height:48px;border-radius:50%;border:1px solid var(--ink);background:var(--ink);color:var(--paper);font-size:1.25rem;line-height:1;cursor:pointer;display:grid;place-items:center;opacity:0;transform:translateY(12px);pointer-events:none;transition:opacity .3s,transform .3s,background .25s,color .25s,border-color .25s}
.ls-top.show{opacity:1;transform:none;pointer-events:auto}
.ls-top:hover{background:#e8ff00;color:var(--ink);border-color:#e8ff00}