/* =========================================================================
   LUMIT — sistema de diseño
   Marca heredada del sitio actual (azul sobre oscuro) + capa de lectura
   larga para las páginas de contenido SEO.
   ========================================================================= */

:root{
  --d0:#070910; --d1:#090B10; --d2:#0E1118; --d3:#161B26; --d4:#1E2435;
  --blue:#0EA5E9; --blue-b:#38BDF8; --blue-d:#0369A1;
  --blue-glow:rgba(14,165,233,.22); --blue-bd:rgba(14,165,233,.30);
  --white:#F2F8FF;
  --text:#D3DFEC;          /* cuerpo de texto largo: más brillante que --muted */
  --muted:#93A3B8;
  --bd:rgba(255,255,255,.08);
  --bd2:rgba(255,255,255,.14);
  --green:#22C55E;
  /* Verde WhatsApp oscurecido: con #1A9E4A el texto blanco daba 3.48:1 (AA pide 4.5).
     #15873E da 4.6:1 y sigue leyendose como el verde de WhatsApp. */
  --wa:#15873E; --wa-d:#0F6B30;
  --amber:#FBBF24; --red:#F87171; --orange:#FB923C;
  --r:12px; --r-lg:20px;
  --shadow:0 4px 32px rgba(14,165,233,.18);
  --wrap:1160px; --prose:74ch;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:var(--d1);color:var(--text);line-height:1.65;font-size:16px;
  -webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
picture{display:contents}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font:inherit;border:0;background:none;cursor:pointer;color:inherit}
table{border-collapse:collapse}
summary::-webkit-details-marker{display:none}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 22px}
.center{text-align:center}
.mt{margin-top:1.5rem}
.skip{position:absolute;left:-9999px;top:0;background:var(--blue);color:var(--d0);
  padding:10px 16px;font-weight:700;z-index:999}
.skip:focus{left:8px;top:8px}
:focus-visible{outline:2px solid var(--blue-b);outline-offset:3px;border-radius:4px}

/* ============================ TOPBAR ============================ */
.topbar{background:rgba(14,165,233,.10);border-bottom:1px solid var(--blue-bd);font-size:13px}
.topbar-in{display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding-top:7px;padding-bottom:7px}
.tb-link{color:rgba(242,248,255,.82);font-weight:500}
.tb-link:hover{color:var(--blue-b)}
.tb-sep{color:var(--muted);opacity:.5}
.tb-note{color:var(--muted);margin-left:auto}
@media(max-width:820px){.tb-note{display:none}.topbar-in{justify-content:center}}

/* ============================== NAV ============================== */
.nav{position:sticky;top:0;z-index:100;background:rgba(9,11,16,.93);
  border-bottom:1px solid var(--bd);backdrop-filter:blur(14px)}
.nav.scrolled{box-shadow:0 6px 30px rgba(0,0,0,.5)}
.nav-in{display:flex;align-items:center;height:64px;gap:28px}
.logo{font-size:21px;font-weight:800;color:var(--blue);flex-shrink:0}
.logo span{color:var(--white)}
.menu{margin-left:auto}
.menu>ul{display:flex;align-items:center;gap:2px}
.menu>ul>li>a{display:flex;align-items:center;gap:5px;font-size:14.5px;font-weight:500;
  color:var(--muted);padding:9px 13px;border-radius:8px;transition:.18s}
.menu>ul>li>a:hover,.menu>ul>li.is-active>a{color:var(--white);background:var(--d3)}
.chev{width:10px;height:7px;opacity:.6;transition:transform .2s}
.has-sub:hover .chev{transform:rotate(180deg)}
.nav-cta{background:var(--blue);color:var(--d0)!important;font-weight:700!important;
  padding:9px 18px!important;border-radius:8px;margin-left:6px}
.nav-cta:hover{background:var(--blue-b)}

.sub{position:absolute;top:100%;opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:.18s;padding-top:6px}
.has-sub{position:relative}
.has-sub:hover .sub,.has-sub:focus-within .sub{opacity:1;visibility:visible;transform:none}
.sub ul{background:var(--d3);border:1px solid var(--bd2);border-radius:var(--r);
  padding:8px;min-width:290px;box-shadow:0 20px 50px rgba(0,0,0,.6)}
.sub li a{display:block;padding:9px 12px;border-radius:8px;transition:.15s}
.sub li a:hover{background:var(--d4)}
.sub strong{display:block;font-size:14px;font-weight:600;color:var(--white)}
.sub span{display:block;font-size:12.5px;color:var(--muted);margin-top:1px}

.burger{display:none;flex-direction:column;gap:5px;padding:8px;margin-left:auto;z-index:300}
.burger span{display:block;width:22px;height:2px;background:var(--white);border-radius:2px;transition:.28s}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

@media(max-width:980px){
  .burger{display:flex}
  .menu{position:fixed;inset:0;background:var(--d1);padding:76px 20px 40px;
    overflow-y:auto;display:none;z-index:200}
  .menu.open{display:block}
  .menu>ul{flex-direction:column;align-items:stretch;gap:0}
  .menu>ul>li>a{font-size:17px;padding:14px 4px;border-bottom:1px solid var(--bd);border-radius:0}
  .chev{margin-left:auto}
  .sub{position:static;opacity:1;visibility:visible;transform:none;padding:0;
    max-height:0;overflow:hidden;transition:max-height .3s}
  .has-sub.open .sub{max-height:600px}
  .sub ul{background:none;border:0;box-shadow:none;padding:4px 0 10px 12px;min-width:0}
  .sub li a{padding:8px 10px}
  .nav-buy{margin-top:18px;border:0}
  .nav-cta{display:block;text-align:center;font-size:16px;padding:14px!important}
  .menu>ul>li.nav-buy>a{border-bottom:0}
}

/* ============================ BOTONES ============================ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:8px;font-size:15px;font-weight:600;
  border:2px solid transparent;transition:.18s;text-align:center;line-height:1.3}
.btn-ico svg{width:18px;height:18px;display:block}
.btn-primary{background:var(--blue);color:var(--d0);font-weight:700}
.btn-primary:hover{background:var(--blue-b);transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-outline{background:transparent;color:var(--blue-b);border-color:var(--blue-bd)}
.btn-outline:hover{background:var(--blue-glow);border-color:var(--blue)}
.btn-ghost{background:transparent;color:var(--white);border-color:var(--bd2)}
.btn-ghost:hover{background:rgba(255,255,255,.06);border-color:var(--bd2)}
.btn-whatsapp{background:var(--wa);color:#fff}
.btn-whatsapp:hover{background:var(--wa-d);transform:translateY(-2px)}
.btn-block{width:100%}
.btn-lg{padding:16px 32px;font-size:16.5px}

.link-arrow{color:var(--blue-b);font-weight:600}
.link-arrow:hover{color:var(--white)}

/* =========================== BREADCRUMBS ========================= */
.crumbs{max-width:var(--wrap);margin:0 auto;padding:16px 22px 0;font-size:13px;color:var(--muted)}
.crumbs ol{display:flex;flex-wrap:wrap;gap:6px}
.crumbs li+li::before{content:"›";margin-right:6px;opacity:.5}
.crumbs a:hover{color:var(--blue-b)}
.crumbs [aria-current]{color:var(--text)}

/* ============================ SECCIONES ========================== */
.sec{padding:76px 0}
.sec--tight{padding:52px 0}
.sec--alt{background:var(--d2);border-top:1px solid var(--bd);border-bottom:1px solid var(--bd)}
.sec--dark{background:var(--d0)}
.eyebrow{display:inline-block;background:var(--blue-glow);color:var(--blue-b);font-size:11px;
  font-weight:700;letter-spacing:1.8px;text-transform:uppercase;padding:5px 13px;
  border-radius:20px;margin-bottom:14px;border:1px solid var(--blue-bd)}
.sec h2,.prose h2{font-size:clamp(25px,3.4vw,38px);font-weight:800;color:var(--white);
  line-height:1.2;margin-bottom:14px;letter-spacing:-.01em}
.sec-sub{font-size:17px;color:var(--muted);max-width:64ch;line-height:1.75;margin-bottom:40px}

/* ============================== HERO ============================= */
.hero{position:relative;overflow:hidden;background:var(--d1);
  border-bottom:1px solid var(--bd)}
.hero::before{content:"";position:absolute;top:-240px;right:-180px;width:640px;height:640px;
  background:radial-gradient(circle,rgba(14,165,233,.14) 0%,transparent 70%);pointer-events:none}
.hero-in{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
  padding:66px 0 62px;position:relative}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:var(--d3);
  border:1px solid var(--bd2);border-radius:20px;padding:6px 14px;font-size:13px;
  color:var(--muted);margin-bottom:20px}
.hero h1{font-size:clamp(31px,4.6vw,52px);font-weight:800;color:var(--white);
  line-height:1.08;letter-spacing:-.02em;margin-bottom:18px}
.hero h1 em{font-style:normal;color:var(--blue)}
.hero-sub{font-size:17.5px;color:var(--muted);line-height:1.72;max-width:52ch;margin-bottom:26px}
.hero-sub strong{color:var(--blue-b);font-weight:600}
.hero-ul{display:flex;flex-direction:column;gap:11px;margin-bottom:30px}
.hero-ul li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--white)}
.tick{flex:0 0 19px;height:19px;margin-top:2px;background:var(--blue);color:var(--d0);
  border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800}
.hero-actions{display:flex;flex-wrap:wrap;gap:11px;margin-bottom:24px}
.hero-trust{display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px;font-size:13.5px;color:var(--muted)}
.hero-trust b{color:var(--white);font-weight:600}
.hero-trust .stars{color:var(--amber);font-size:15px;letter-spacing:2px}
.hero-img{position:relative;overflow:hidden;border-radius:var(--r-lg);
  box-shadow:0 0 80px rgba(14,165,233,.12),0 24px 64px rgba(0,0,0,.6)}
.hero-img img{width:100%;height:auto;display:block}
@media(max-width:900px){
  .hero-in{grid-template-columns:1fr;gap:34px;padding:44px 0 46px}
  .hero-actions .btn{flex:1 1 100%}
}

/* páginas de contenido: hero compacto */
.hero--art{padding:0;background:var(--d2)}
.hero--art .hero-in{grid-template-columns:1fr;padding:38px 0 30px;gap:0}
.hero--art h1{font-size:clamp(28px,4.2vw,44px);max-width:22ch}
.hero--art .hero-sub{max-width:68ch;font-size:18px;margin-bottom:0}

/* =========================== PROSA / SEO ========================= */
.prose{max-width:var(--prose);margin:0 auto;font-size:17.5px;line-height:1.82}
.prose>*+*{margin-top:1.15em}
.prose h2{margin-top:2.1em;scroll-margin-top:88px}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:20.5px;font-weight:700;color:var(--white);margin-top:1.9em;line-height:1.35;
  scroll-margin-top:88px}
.prose h4{font-size:17px;font-weight:700;color:var(--white);margin-top:1.6em}
.prose p{color:var(--text)}
.prose strong{color:var(--white);font-weight:650}
/* :not(.btn) es imprescindible: sin el, `.prose a` (0,2,0) le gana a `.btn-primary`
   (0,1,0) y pinta el texto de los botones del mismo celeste que su fondo. */
.prose a:not(.btn){color:var(--blue-b);text-decoration:underline;text-underline-offset:3px;
  text-decoration-color:rgba(56,189,248,.4);transition:.15s}
.prose a:not(.btn):hover{text-decoration-color:var(--blue-b);color:#7dd3fc}
.prose .btn{text-decoration:none}
.prose ul,.prose ol{padding-left:1.35em}
.prose ul li{list-style:none;position:relative;margin-top:.55em}
.prose ul li::before{content:"";position:absolute;left:-1.1em;top:.72em;width:6px;height:6px;
  border-radius:50%;background:var(--blue);opacity:.8}
.prose ol{list-style:decimal;color:var(--blue-b)}
.prose ol>li{margin-top:.55em}
.prose ol>li::marker{font-weight:700}
.prose ol>li>*{color:var(--text)}
.prose .lead{font-size:19px;color:var(--muted);line-height:1.75}
.prose hr{border:0;border-top:1px solid var(--bd);margin:2.4em 0}
.prose blockquote{border-left:3px solid var(--blue);padding-left:1.1em;color:var(--muted);font-style:italic}
.prose figure{margin:1.6em 0}
.prose figcaption{font-size:13.5px;color:var(--muted);margin-top:.6em;text-align:center}
.prose img{border-radius:var(--r)}
.prose-wide{max-width:var(--wrap);margin:0 auto;padding:0 22px}

/* índice */
.toc{background:var(--d3);border:1px solid var(--bd);border-radius:var(--r);padding:18px 22px;
  margin:1.6em 0 2em}
.toc-t{font-size:11px;font-weight:700;letter-spacing:1.6px;text-transform:uppercase;
  color:var(--muted);margin-bottom:10px}
.toc ul{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:4px 22px}
.toc li{list-style:none}
.toc a{font-size:14.5px;color:var(--text);display:block;padding:4px 0;border-bottom:1px solid transparent}
.toc a:hover{color:var(--blue-b)}

/* callouts */
.callout{border:1px solid var(--bd2);border-left-width:3px;border-radius:var(--r);
  padding:18px 22px;background:var(--d3);font-size:16.5px;line-height:1.7}
.callout .callout-title{font-weight:700;color:var(--white);margin-bottom:6px;font-size:16px}
.callout-body>*+*{margin-top:.7em}
.callout--info{border-left-color:var(--blue)}
.callout--ok{border-left-color:var(--green)}
.callout--ok .callout-title{color:#86efac}
.callout--warn{border-left-color:var(--amber);background:rgba(251,191,36,.06)}
.callout--warn .callout-title{color:var(--amber)}
.callout--dato{border-left-color:var(--blue-b);background:rgba(14,165,233,.07)}

/* tablas */
.tabla-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;
  border:1px solid var(--bd);border-radius:var(--r);background:var(--d2)}
.tabla{width:100%;min-width:520px;font-size:15px}
.tabla th{background:var(--d4);color:var(--white);font-weight:700;text-align:left;
  padding:13px 16px;font-size:13.5px;letter-spacing:.02em;border-bottom:1px solid var(--bd2)}
.tabla td{padding:13px 16px;border-bottom:1px solid var(--bd);color:var(--text);vertical-align:top}
.tabla tbody tr:last-child td{border-bottom:0}
.tabla tbody tr:hover td{background:rgba(14,165,233,.05)}
.tabla td strong{color:var(--white)}
.tabla-nota{font-size:13.5px;color:var(--muted);margin-top:10px;line-height:1.6}

/* pasos numerados */
.pasos{counter-reset:p;list-style:none;padding:0;display:flex;flex-direction:column;gap:14px}
.pasos>li{counter-increment:p;position:relative;background:var(--d3);border:1px solid var(--bd);
  border-radius:var(--r);padding:20px 22px 20px 66px;list-style:none;margin:0}
.pasos>li::before{content:counter(p);position:absolute;left:20px;top:19px;width:32px;height:32px;
  background:var(--blue);color:var(--d0);border-radius:50%;display:flex;align-items:center;
  justify-content:center;font-weight:800;font-size:15px}
.pasos>li>h3{margin:0 0 6px;font-size:17.5px;color:var(--white)}
.pasos>li>div{font-size:16px;color:var(--text);line-height:1.7}
.pasos>li>div>*+*{margin-top:.7em}

/* FAQ */
.faq{display:flex;flex-direction:column;gap:9px;margin-top:1.4em}
.faq-item{background:var(--d2);border:1px solid var(--bd);border-radius:var(--r);overflow:hidden}
.faq-item[open]{border-color:var(--blue-bd)}
.faq-item summary{padding:17px 48px 17px 20px;font-weight:600;color:var(--white);cursor:pointer;
  position:relative;font-size:16.5px;line-height:1.5;list-style:none}
.faq-item summary::after{content:"";position:absolute;right:20px;top:24px;width:9px;height:9px;
  border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transform:rotate(45deg);transition:.25s}
.faq-item[open] summary::after{transform:rotate(-135deg);border-color:var(--blue)}
.faq-item summary:hover{color:var(--blue-b)}
.faq-a{padding:0 20px 18px;font-size:16.5px;line-height:1.75;color:var(--text)}
.faq-a>*+*{margin-top:.8em}
.faq-a a:not(.btn){color:var(--blue-b);text-decoration:underline;text-underline-offset:3px}

/* fuentes */
.fuentes{padding-left:1.3em;font-size:14.5px;color:var(--muted);line-height:1.65}
.fuentes li{margin-top:.6em;list-style:decimal}
.fuentes a{color:var(--muted);text-decoration:underline;text-underline-offset:3px}
.fuentes a:hover{color:var(--blue-b)}

/* ===================== TARJETAS DE PROBLEMA ====================== */
.pcards{display:grid;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));gap:14px}
.pcard{background:var(--d3);border:1px solid var(--bd);border-radius:var(--r);padding:22px 20px;
  display:flex;flex-direction:column;gap:7px;transition:.22s}
.pcard:hover{border-color:var(--blue-bd);transform:translateY(-3px);box-shadow:var(--shadow)}
.pcard-ico{font-size:28px;line-height:1}
.pcard-t{font-size:16px;font-weight:700;color:var(--white)}
.pcard-d{font-size:14px;color:var(--muted);line-height:1.6;flex:1}
.pcard-go{font-size:13px;font-weight:600;color:var(--blue-b);margin-top:4px}

/* ======================== CARDS DE PRODUCTO ====================== */
/* 246px permite que los 4 modelos entren en una sola fila a 1160px de ancho */
.pgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(246px,1fr));gap:20px}
.pc{background:var(--d2);border:1px solid var(--bd);border-radius:var(--r-lg);overflow:hidden;
  display:flex;flex-direction:column;transition:.25s}
.pc:hover{border-color:var(--blue-bd);transform:translateY(-4px);box-shadow:var(--shadow)}
.pc--featured{border-color:var(--blue-bd);box-shadow:0 0 40px rgba(14,165,233,.12)}
.pc-badge{padding:14px 20px 10px;font-size:11.5px;font-weight:700;color:var(--blue-b);
  text-transform:uppercase;letter-spacing:.06em}
.pc--featured .pc-badge{color:var(--amber)}
/* Las fotos de producto son 3:2 (1440x960) y el Aqualit 1:1. `contain` sobre una
   caja 3:2 muestra la imagen completa en ambos casos: nada queda recortado. */
.pc-img{width:100%;height:auto;aspect-ratio:3/2;object-fit:contain;
  background:var(--d3);border-block:1px solid var(--bd)}
.pc-specs{list-style:none;padding:0;margin:0 0 14px;display:flex;flex-direction:column;gap:5px}
.pc-specs li{font-size:13px;color:var(--muted);padding-left:14px;position:relative}
.pc-specs li::before{content:"·";position:absolute;left:2px;color:var(--blue);font-weight:700}
/* Imagen grande de la ficha de producto: sin recorte, con su relacion real */
.ficha-img{width:100%;height:auto;border-radius:var(--r-lg);border:1px solid var(--bd);
  background:var(--d3)}
.pc-body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1}
.pc-name{font-size:21px;font-weight:800;color:var(--white);margin-bottom:8px}
.pc-name a:hover{color:var(--blue-b)}
.pc-ctx{font-size:13.5px;color:var(--blue-b);margin-bottom:8px;font-weight:600}
.pc-desc{font-size:14.5px;color:var(--muted);line-height:1.65;margin-bottom:14px;flex:1}
.pc-actions{display:flex;flex-direction:column;gap:9px;margin-top:auto}

/* especificaciones */
.spec{display:grid;grid-template-columns:1fr;gap:0;border:1px solid var(--bd);
  border-radius:var(--r);overflow:hidden;background:var(--d2)}
.spec div{display:flex;justify-content:space-between;gap:18px;padding:12px 18px;
  border-bottom:1px solid var(--bd);font-size:15px}
.spec div:last-child{border-bottom:0}
.spec dt{color:var(--muted)}
.spec dd{color:var(--white);font-weight:600;text-align:right}

/* ========================== TESTIMONIOS ========================== */
.tgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;margin-top:1.4em}
.tcard{background:var(--d2);border:1px solid var(--bd);border-radius:var(--r);padding:22px;
  display:flex;flex-direction:column;gap:12px}
.tstars{color:var(--amber);font-size:15px;letter-spacing:2px}
.tcard blockquote{font-size:14.5px;color:var(--text);line-height:1.7;flex:1;border:0;padding:0;font-style:normal}
.tcard figcaption{display:flex;justify-content:space-between;align-items:center;
  padding-top:11px;border-top:1px solid var(--bd);font-size:12px;color:var(--muted)}
.tsrc{font-weight:700;color:var(--blue-b);background:var(--blue-glow);
  border:1px solid var(--blue-bd);padding:3px 8px;border-radius:10px;font-size:11px}

/* ============================= CTA =============================== */
.ctabox{margin:3em 0;background:linear-gradient(135deg,var(--d3),var(--d2));
  border:1px solid var(--blue-bd);border-radius:var(--r-lg);padding:34px 30px;position:relative;overflow:hidden}
.ctabox::before{content:"";position:absolute;top:-120px;right:-80px;width:340px;height:340px;
  background:radial-gradient(circle,rgba(14,165,233,.16) 0%,transparent 70%)}
.ctabox-in{position:relative;max-width:62ch}
.ctabox-t{font-size:clamp(21px,2.7vw,28px)!important;font-weight:800;color:var(--white);
  margin-bottom:9px!important;line-height:1.25}
.ctabox-d{font-size:16.5px;color:var(--muted);line-height:1.7;margin-bottom:20px}
.ctabox-a{display:flex;flex-wrap:wrap;gap:11px}
.ctabox--comercial{border-color:rgba(34,197,94,.3)}
@media(max-width:560px){.ctabox-a .btn{flex:1 1 100%}}

/* ========================= RELACIONADOS ========================== */
.rel{margin:3em 0 0;padding-top:2em;border-top:1px solid var(--bd)}
.rel h2{font-size:20px!important;margin-bottom:1em!important}
.rel-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:10px}
.rel-list li{list-style:none;margin:0}
.rel-list li::before{display:none}
.rel-list a{display:block;background:var(--d2);border:1px solid var(--bd);border-radius:var(--r);
  padding:14px 16px;transition:.18s;text-decoration:none}
.rel-list a:hover{border-color:var(--blue-bd);background:var(--d3)}
.rel-list strong{display:block;font-size:15px;color:var(--blue-b);font-weight:600;margin-bottom:3px}
.rel-list span{display:block;font-size:13.5px;color:var(--muted);line-height:1.55}

/* ========================= HERRAMIENTAS ========================== */
.tool{background:var(--d2);border:1px solid var(--bd2);border-radius:var(--r-lg);
  padding:28px;max-width:760px;margin:0 auto}
.tool-field{margin-bottom:20px}
.tool-field label{display:block;font-size:15px;font-weight:600;color:var(--white);margin-bottom:8px}
.tool-field .hint{font-size:13.5px;color:var(--muted);font-weight:400;margin-top:3px;line-height:1.55}
.tool input[type=number],.tool input[type=text],.tool select{
  width:100%;background:var(--d4);border:1px solid var(--bd2);border-radius:9px;
  padding:13px 15px;font-size:17px;color:var(--white);font-family:inherit}
.tool input:focus,.tool select:focus{border-color:var(--blue);outline:none;
  box-shadow:0 0 0 3px var(--blue-glow)}
.tool select{appearance:none;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%2393A3B8' stroke-width='1.6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 15px center;background-size:12px;padding-right:40px}
.unit-row{display:flex;gap:10px}
.unit-row input{flex:1}
.unit-row select{width:auto;min-width:130px}

.opts{display:grid;gap:9px}
.opts.two{grid-template-columns:1fr 1fr}
@media(max-width:520px){.opts.two{grid-template-columns:1fr}}
.opt{display:flex;align-items:center;gap:12px;background:var(--d4);border:1px solid var(--bd);
  border-radius:10px;padding:14px 16px;text-align:left;font-size:15px;color:var(--text);
  transition:.16s;width:100%}
.opt:hover{border-color:var(--blue-bd);background:rgba(14,165,233,.07);color:var(--white)}
.opt[aria-pressed=true],.opt.sel{border-color:var(--blue);background:rgba(14,165,233,.12);
  color:var(--white);box-shadow:0 0 0 3px var(--blue-glow)}
.opt-ico{font-size:20px;flex-shrink:0}
.opt-sub{display:block;font-size:13px;color:var(--muted);margin-top:2px}

.progress{height:4px;background:var(--d4);border-radius:3px;overflow:hidden;margin-bottom:26px}
.progress i{display:block;height:100%;background:var(--blue);border-radius:3px;transition:width .35s}
.step{display:none}
.step.on{display:block}
.q{font-size:20px;font-weight:700;color:var(--white);margin-bottom:6px;line-height:1.35}
.q-help{font-size:14px;color:var(--muted);margin-bottom:18px;line-height:1.6}
.back{margin-top:18px;font-size:13.5px;color:var(--muted)}
.back:hover{color:var(--blue-b)}

/* resultado de herramienta */
.result{display:none}
.result.on{display:block}
.gauge{height:14px;border-radius:8px;overflow:hidden;display:flex;margin:16px 0 8px;
  border:1px solid var(--bd2)}
.gauge i{display:block;height:100%;opacity:.30;transition:opacity .3s}
.gauge i.on{opacity:1}
.gauge-scale{display:flex;font-size:11.5px;color:var(--muted);margin-bottom:22px}
.gauge-scale span{flex:1;text-align:center}
.res-badge{display:inline-block;font-size:13px;font-weight:800;letter-spacing:.06em;
  text-transform:uppercase;padding:6px 14px;border-radius:20px;margin-bottom:12px}
.res-h{font-size:clamp(23px,3.4vw,31px);font-weight:800;color:var(--white);
  line-height:1.2;margin-bottom:12px}
.res-p{font-size:16.5px;color:var(--text);line-height:1.75;margin-bottom:14px}
.res-p+.res-p{margin-top:-4px}
.res-list{margin:14px 0 20px;display:flex;flex-direction:column;gap:9px}
.res-list li{display:flex;gap:10px;font-size:15.5px;color:var(--text);line-height:1.6}
.res-list li::before{content:"→";color:var(--blue);flex-shrink:0;font-weight:700}
.res-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}
@media(max-width:560px){.res-actions .btn{flex:1 1 100%}}

/* contador de sarro en vivo */
.live{background:var(--d3);border:1px solid var(--bd);border-radius:var(--r-lg);padding:26px}
.live-n{font-size:clamp(2.4rem,7vw,3.4rem);font-weight:800;color:var(--blue-b);
  font-variant-numeric:tabular-nums;line-height:1}
.live-lab{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.09em;
  font-weight:600;margin-bottom:8px}
.live-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:20px}
@media(max-width:600px){.live-grid{grid-template-columns:1fr}}
.live-stat{background:var(--d4);border:1px solid var(--bd);border-radius:var(--r);padding:14px}
.live-stat b{display:block;font-size:1.4rem;font-weight:800;color:var(--blue-b);line-height:1.15}
.live-stat b.good{color:var(--green)}
.live-stat span{display:block;font-size:11.5px;color:var(--muted);margin-top:3px;line-height:1.45}
.live-stat em{display:block;font-size:11px;color:var(--muted);text-transform:uppercase;
  letter-spacing:.05em;font-weight:600;font-style:normal;margin-bottom:5px}
.disclaimer{font-size:12.5px;color:var(--muted);line-height:1.65;opacity:.75;margin-top:14px}

/* --- el sarro avanzando: seccion del cano que se cierra --- */
.live-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#F87171;
  margin-right:7px;vertical-align:middle;animation:sv-beat 1.8s ease-out infinite}
@keyframes sv-beat{0%{box-shadow:0 0 0 0 rgba(248,113,113,.6)}
  70%{box-shadow:0 0 0 8px rgba(248,113,113,0)}100%{box-shadow:0 0 0 0 rgba(248,113,113,0)}}
.live-n{transition:text-shadow .3s ease}
.live-n.bump{animation:sv-bump .45s ease-out}
@keyframes sv-bump{0%{transform:scale(1)}35%{transform:scale(1.035);
  text-shadow:0 0 26px rgba(56,189,248,.55)}100%{transform:scale(1)}}

.sv-pipe{margin-top:20px}
.sv-tube{position:relative;height:76px;border-radius:11px;overflow:hidden;
  background:linear-gradient(180deg,#08161F,#0B1F2C 45%,#08161F);
  border:2px solid var(--bd);box-shadow:inset 0 0 26px rgba(0,0,0,.7)}
.sv-crust{position:absolute;left:0;right:0;height:0;background:#CFBE97;
  box-shadow:0 0 12px rgba(0,0,0,.45)}
.sv-crust--top{top:0;border-bottom:1px solid rgba(0,0,0,.55)}
.sv-crust--bot{bottom:0;border-top:1px solid rgba(0,0,0,.55)}
.sv-flow{position:absolute;left:0;right:0;top:50%;height:16px;transform:translateY(-50%);
  background-image:linear-gradient(90deg,transparent,rgba(56,189,248,.5),transparent);
  background-repeat:no-repeat;background-size:36% 100%;
  animation:sv-flow 2.6s linear infinite}
@keyframes sv-flow{from{background-position:-40% 0}to{background-position:140% 0}}
/* barrido de la fase "con Lumit": el equipo entra en escena */
.sv-sweep{position:absolute;top:0;bottom:0;width:32%;left:-40%;opacity:0;filter:blur(1px);
  background:linear-gradient(90deg,transparent,rgba(56,189,248,.5),rgba(125,211,252,.95),
    rgba(56,189,248,.5),transparent)}
.sv-tube.limpiando .sv-sweep{animation:sv-sweep 3.5s ease-in-out}
@keyframes sv-sweep{0%{left:-40%;opacity:0}14%{opacity:1}86%{opacity:1}100%{left:108%;opacity:0}}
.sv-cap{margin-top:10px;font-size:12.5px;color:var(--muted);display:flex;
  justify-content:space-between;align-items:baseline;gap:10px;flex-wrap:wrap}
.sv-cap b{font-size:15px;font-weight:800;color:#FBBF24;font-variant-numeric:tabular-nums}
.sv-cap b.alto{color:#F87171}
.sv-cap b.ok{color:var(--green)}
.sv-cap em{font-style:normal;font-variant-numeric:tabular-nums;color:var(--white);font-weight:600}
.sv-cap strong{color:var(--green);font-weight:800}
@media(prefers-reduced-motion:reduce){
  .live-dot,.sv-flow,.sv-tube.limpiando .sv-sweep{animation:none}
  .live-n.bump{animation:none}
}

/* ============================ FOOTER ============================= */
.footer{background:var(--d0);border-top:1px solid var(--bd);padding:58px 0 0;margin-top:0}
.fgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(168px,1fr));gap:32px 24px;
  padding-bottom:40px}
.fcol h3{font-size:11px;font-weight:700;color:var(--white);text-transform:uppercase;
  letter-spacing:1.4px;margin-bottom:13px}
.fcol li{margin-bottom:8px}
.fcol a{font-size:13.5px;color:var(--muted);line-height:1.5}
.fcol a:hover{color:var(--blue-b)}
.fbrand{display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between;
  padding:28px 0;border-top:1px solid var(--bd)}
.flogo{font-size:19px;font-weight:800;color:var(--blue);margin-bottom:8px}
.flogo span{color:var(--white)}
.fdesc{font-size:13.5px;color:var(--muted);max-width:52ch;line-height:1.6}
.fcontact{display:flex;flex-wrap:wrap;gap:8px 18px;align-items:flex-start}
.fcontact a{font-size:13.5px;color:var(--muted)}
.fcontact a:hover{color:var(--blue-b)}
.fnote{font-size:12.5px;color:var(--muted);line-height:1.7;padding:18px 0;
  border-top:1px solid var(--bd);opacity:.85}
.fnote a{color:var(--blue-b);text-decoration:underline;text-underline-offset:2px}
.fbottom{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  border-top:1px solid var(--bd);padding:17px 0;font-size:12.5px;color:var(--muted);opacity:.7}


/* ================= AUTORÍA / ACTUALIZACIÓN (E-E-A-T) ============= */
.revisado{margin:2.6em 0 0;padding:16px 20px;background:var(--d2);border:1px solid var(--bd);
  border-radius:var(--r);font-size:14px;line-height:1.65;color:var(--muted)}
.revisado p{margin:0}
.revisado p+p{margin-top:.5em}
.revisado strong{color:var(--text);font-weight:600}
.revisado a{color:var(--blue-b)}

/* ==================== CTA FIJO EN MÓVIL ========================== */
/* La mayoría del tráfico es móvil y en páginas largas el CTA principal queda
   muy lejos. Sólo se muestra en pantallas chicas: en escritorio estorbaría. */
.sticky-cta{display:none}
@media(max-width:768px){
  .sticky-cta{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:95;gap:8px;
    padding:10px 12px calc(10px + env(safe-area-inset-bottom));
    background:rgba(9,11,16,.94);backdrop-filter:blur(12px);
    border-top:1px solid var(--bd2)}
  .sticky-cta .btn{padding:12px 16px;font-size:15px}
  .sticky-cta .btn-primary{flex:1}
  .sticky-cta .btn-whatsapp{flex:0 0 52px;padding:12px}
  .sticky-cta .btn-whatsapp svg{width:22px;height:22px}
  body:has(.sticky-cta){padding-bottom:72px}
  .footer{padding-bottom:8px}
}

/* ====================== WHATSAPP FLOTANTE ======================== */
.wafloat{position:fixed;bottom:22px;right:22px;z-index:90;background:var(--wa);color:#fff;
  width:54px;height:54px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 22px rgba(26,158,74,.4);transition:.2s}
.wafloat svg{width:27px;height:27px}
.wafloat:hover{background:var(--wa-d);transform:scale(1.07)}
/* Va DESPUÉS de .wafloat a propósito: si estuviera antes, la regla base
   (misma especificidad) la pisaría y quedarían los dos botones superpuestos. */
@media(max-width:768px){
  body:has(.sticky-cta) .wafloat{display:none}
}

/* ======================= UTILIDADES FINALES ====================== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:22px}
@media(max-width:760px){.split{grid-template-columns:1fr}}
.mini{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px}
.mini div{background:var(--d3);border:1px solid var(--bd);border-radius:var(--r);padding:20px}
.mini h3{font-size:15.5px;font-weight:700;color:var(--white);margin:0 0 7px}
.mini p{font-size:14px;color:var(--muted);line-height:1.6;margin:0}
.mini .ico{font-size:25px;margin-bottom:9px;display:block}
.video{position:relative;aspect-ratio:16/9;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--bd);box-shadow:0 10px 44px rgba(0,0,0,.5)}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

@media(max-width:640px){
  .sec{padding:52px 0}
  .wrap,.prose-wide{padding:0 16px}
  .crumbs{padding:14px 16px 0}
  body{font-size:15.5px}
  .prose{font-size:17px}
  .ctabox{padding:26px 20px}
  .tool{padding:20px 16px}
}

@media(prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
}