/* ============================================================
     IDENTIDAD OFICIAL — Manual de diseño Maratón RRPP 2026
     Tiza + Asfalto + Rojo al aire + regla Lima ARP.
     Capa de estilo aplicada sin cambios de estructura (brief pág. 1).
     Sin degradados, sin sombras, blanco solo dentro de tarjetas.
     ============================================================ */
  @font-face{font-family:'Bricolage Grotesque';font-style:normal;font-weight:800;font-display:swap;src:url(/fonts/bricolage-800.woff2) format('woff2')}
  @font-face{font-family:'Inter';font-style:normal;font-weight:100 900;font-display:swap;src:url(/fonts/inter-var.woff2) format('woff2')}
  @font-face{font-family:'Montserrat';font-style:normal;font-weight:700;font-display:swap;src:url(/fonts/montserrat-700.woff2) format('woff2')}
  :root{
    --m-rojo:#E8192C; --m-rojo-texto:#C8102E; --m-asfalto:#0E0F12; --m-tiza:#F4F6F8;
    --m-lima:#E8FF8C; --m-gris:#5C6270; --m-linea:#E6E8EC; --m-blanco:#FFFFFF;
    --muted:var(--m-gris);
    --ease:cubic-bezier(.22,.9,.24,1);
    --font:'Inter',-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
    --font-display:'Bricolage Grotesque',-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
    --font-label:'Montserrat',-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  @media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
  body{font-family:var(--font);background:#FFFFFF;color:var(--m-asfalto);font-size:17px;line-height:1.7;overflow-x:hidden;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
  h1,h2,h3{font-family:var(--font-display);line-height:1.02;font-weight:800;letter-spacing:-.032em;text-wrap:balance}
  p{text-wrap:pretty}
  .skip{position:absolute;left:-9999px;top:0;z-index:200;background:var(--m-asfalto);color:#fff;padding:12px 20px;border-radius:0 0 12px 0;font-family:var(--font-label);font-weight:700;font-size:13px;letter-spacing:.1em;text-transform:uppercase}
  .skip:focus{left:0}
  a{color:inherit;text-decoration:none}
  ::selection{background:var(--m-rojo);color:#fff}
  :focus-visible{outline:2px solid var(--m-rojo);outline-offset:3px;border-radius:6px}
  .wrap{max-width:1120px;margin:0 auto;padding:0 24px}
  .grad-text{color:inherit}

  #nav .logo{display:flex;align-items:center}
  #nav .lockup{height:50px;width:auto;display:block}
  #nav .simbolo{height:34px;width:34px;display:none}
  @media(max-width:480px){#nav .lockup{height:38px}}
  .hero-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:56px;align-items:center}
  .hero-visual{position:relative;aspect-ratio:1/1;max-width:540px;justify-self:end;width:100%}
  .hero-visual .ring{position:absolute;inset:0;width:100%;height:100%;z-index:1}
  .hero-visual .ring-photo{position:absolute;inset:13%;border-radius:50%!important;overflow:hidden;border-style:solid;border-color:var(--m-linea)}.hero-visual .organiza{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:0 21%}.hero-visual .organiza span{font-family:var(--font-label);font-size:10.5px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--m-gris)}.hero-visual .organiza img{width:100%;height:auto;display:block}
  @media(max-width:960px){.hero-grid{grid-template-columns:1fr}.hero-visual{max-width:380px;justify-self:center}}
  /* Gente en pantalla */
  .gente-sec{padding:0 0 72px}
  .gente-grid{display:flex;gap:26px;align-items:center;flex-wrap:wrap}
  .ph-media{background:var(--m-tiza);border:1.5px dashed #D8D2C6;color:var(--m-gris);display:flex;align-items:center;justify-content:center;text-align:center;font-family:var(--font-label);font-size:12px;letter-spacing:.14em;text-transform:uppercase;border-radius:16px;padding:12px}
  .foto-live{aspect-ratio:16/9}
  .caras{display:flex;gap:26px;align-items:center;flex-wrap:wrap}
  .caras-row{display:flex;gap:10px}
  .cara{width:72px;height:72px;border-radius:50%;flex-shrink:0;font-size:9px;letter-spacing:.08em}
  .caras-txt{color:var(--m-gris);font-size:15px}
  .caras-txt b{color:var(--m-asfalto)}
  @media(max-width:860px){.gente-grid{grid-template-columns:1fr}}
  /* Banda de impacto en asfalto */
  .dark{background:var(--m-asfalto)}
  .dark .eyebrow{color:#8E8880}
  .dark h2.sec{color:#fff}
  .dark .sec-intro{color:#B9B3AD}
  .dark .defn{color:#B9B3AD;border-left-color:#3A3733}
  .dark .defn strong{color:#fff}
  .tl-item.star h3{color:#fff}
  .tl-item.star p{color:#B9B3AD}
  .tl-item.star .k{color:#B9B3AD}
  /* Barra de progreso */
  #progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--m-rojo);z-index:100;transition:width .1s linear}

  /* Header */
  header#nav{position:fixed;top:0;left:0;right:0;z-index:90;padding:20px 0;transition:padding .35s var(--ease),background .35s var(--ease)}
  header#nav.scrolled{padding:12px 0;background:#FFFFFF;border-bottom:1px solid var(--m-linea)}
  #nav .bar{display:flex;justify-content:space-between;align-items:center}
  #nav .logo{font-family:var(--font-display);font-weight:800;font-size:1.05rem;color:var(--m-asfalto)}
  #nav .logo b{color:inherit}
  #nav .navright{display:flex;align-items:center;gap:20px;margin-left:28px}
  #nav .navlink{white-space:nowrap}
  #nav .navlink{font-family:var(--font-label);font-weight:700;font-size:13px;letter-spacing:.2em;text-transform:uppercase;color:var(--m-asfalto)}
  #nav .navlink:hover{color:var(--m-rojo-texto)}
  /* Móvil: los enlaces no desaparecen — pasan a una fila compacta con scroll horizontal */
  @media(max-width:1024px){
    #nav .bar{flex-wrap:wrap;row-gap:8px}
    #nav .navright{order:2;width:100%;gap:0;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding-bottom:2px}
    #nav .navright::-webkit-scrollbar{display:none}
    #nav .navlink{font-size:11px;letter-spacing:.1em;white-space:nowrap;padding:7px 12px;border:1.5px solid var(--m-linea);border-radius:999px;background:#fff;margin-right:7px}
    #nav .navlink[aria-current="page"]{background:var(--m-asfalto);color:#fff;border-color:var(--m-asfalto)}
    #nav .navcta{order:-1;flex:0 0 auto;font-size:11px;letter-spacing:.1em;padding:9px 16px;white-space:nowrap;background:var(--m-rojo);margin-right:7px;border-radius:999px}
    #nav .navcta:hover{background:var(--m-rojo)}
    header#nav{padding:12px 0;background:#fff;border-bottom:1px solid var(--m-linea)}
  }
  #nav .navcta{font-family:var(--font-label);font-weight:700;font-size:13px;letter-spacing:.2em;text-transform:uppercase;background:var(--m-asfalto);color:#fff;padding:12px 22px;border-radius:12px;white-space:nowrap;transition:background .2s ease,color .2s ease}
  #nav .navcta:hover{background:var(--m-asfalto);color:#fff}

  /* Hero — el rojo ocupa el ancho completo (excepción del manual) */
  .hero{position:relative;padding:96px 0 66px;background:#FFFFFF;color:var(--m-asfalto);overflow:hidden;isolation:isolate}
  @keyframes heroRise{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}
  .hero .badge{animation:heroRise .7s var(--ease) .1s backwards}
  .hero h1{animation:heroRise .8s var(--ease) .22s backwards}
  .hero .lede{animation:heroRise .8s var(--ease) .34s backwards}
  .hero .hero-meta{animation:heroRise .75s var(--ease) .46s backwards}
  .hero .cta-row{animation:heroRise .75s var(--ease) .56s backwards}
  .hero .countdown{animation:heroRise .8s var(--ease) .68s backwards}

  .badge{display:inline-flex;align-items:center;gap:10px;background:transparent;color:var(--m-asfalto);border:1px solid var(--m-linea);border-radius:999px;padding:10px 18px;font-family:var(--font-label);font-size:12px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;margin-bottom:26px}
  .badge .dot{width:9px;height:9px;border-radius:50%;background:var(--m-rojo)}
  .badge.live .dot{animation:pulse 2.6s infinite}
  @keyframes pulse{0%{box-shadow:0 0 0 0 rgba(232,25,44,.55)}70%{box-shadow:0 0 0 10px rgba(232,25,44,0)}100%{box-shadow:0 0 0 0 rgba(232,25,44,0)}}
  .lime{color:inherit;font-weight:700}
  .hero h1{font-size:clamp(40px,5.9vw,76px);line-height:1.07;max-width:17ch;margin-bottom:6px;color:var(--m-asfalto)}
  .hero h1::after{content:"";display:block;width:72px;height:4px;background:var(--m-lima);margin-top:18px}
  .hero h1 + *{margin-top:8px}
  .hero .grad-text{color:inherit}
  .hero .lede{font-size:clamp(17px,1.5vw,20px);line-height:1.55;color:var(--m-gris);max-width:52ch;margin:18px 0 28px}
  .hero-meta{display:flex;flex-wrap:wrap;align-items:center;row-gap:8px;margin-bottom:34px;border-top:1px solid var(--m-linea);border-bottom:1px solid var(--m-linea);padding:14px 0}
  .chip{display:inline-flex;align-items:center;font-size:15px;font-weight:500;color:var(--m-gris)}
  .chip b{color:var(--m-asfalto);margin-right:6px}
  .chip+.chip::before{content:"";width:1px;height:14px;background:var(--m-linea);margin:0 18px;display:inline-block}

  .btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-label);font-weight:700;font-size:13px;letter-spacing:.2em;text-transform:uppercase;padding:16px 26px;border-radius:12px;background:var(--m-rojo);color:#fff;transition:background .2s ease,color .2s ease,border-color .2s ease}
  .btn:hover{background:var(--m-asfalto);color:#fff}
  .btn.ghost{background:transparent;color:var(--m-asfalto);border:1.5px solid var(--m-asfalto)}
  .btn.ghost:hover{background:var(--m-asfalto);color:#fff}
  
  .cta-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center}

  /* Countdown */
  .countdown{margin-top:44px}
  .countdown .lbl{font-family:var(--font-label);font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--m-gris);margin-bottom:12px;font-weight:700}
  .cd-grid{display:grid;grid-template-columns:repeat(4,minmax(72px,88px));gap:14px}
  .cd-cell{background:var(--m-tiza);border:1px solid var(--m-linea);border-radius:14px;padding:16px 8px;text-align:center}
  @media(max-width:420px){.cd-grid{grid-template-columns:repeat(4,1fr);gap:8px}}
  .cd-cell .n{font-family:var(--font-display);font-size:clamp(34px,4.5vw,54px);font-weight:800;line-height:1;font-variant-numeric:tabular-nums;color:var(--m-asfalto)}
  .cd-cell .n.tick{animation:numPop .45s var(--ease)}
  @keyframes numPop{0%{transform:translateY(-8px);opacity:.2}100%{transform:translateY(0);opacity:1}}
  .cd-cell .u{font-family:var(--font-label);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--m-gris);margin-top:8px;font-weight:700}

  /* Facts */
  .facts{border-top:1px solid var(--m-linea);border-bottom:1px solid var(--m-linea);background:#FFFFFF}
  .facts .grid{display:grid;grid-template-columns:repeat(5,1fr)}
  .fact{padding:40px 18px;text-align:center;border-right:1px solid var(--m-linea)}
  .fact:last-child{border-right:none}
  .fact .big{font-family:var(--font-display);font-size:60px;font-weight:800;color:var(--m-asfalto);font-variant-numeric:tabular-nums}
  .fact .lbl{color:var(--m-gris);font-size:14px;margin-top:6px}

  section{padding:96px 0}
  .eyebrow{display:inline-block;font-family:var(--font-label);color:var(--m-gris);font-weight:700;letter-spacing:.2em;text-transform:uppercase;font-size:13px;margin-bottom:16px}
  h2.sec{font-size:clamp(28px,4vw,40px);margin-bottom:18px;max-width:24ch;color:var(--m-asfalto)}
  h2.sec::after{content:"";display:block;width:64px;height:4px;background:var(--m-lima);margin-top:16px}
  .sec-intro{color:var(--m-gris);max-width:62ch;font-size:17px;margin-bottom:50px}

  /* Definición citable */
  .defn{max-width:70ch;font-size:17px;line-height:1.7;color:var(--m-gris);border-left:3px solid var(--m-linea);padding:6px 0 6px 22px;margin-bottom:44px}
  .defn strong{color:var(--m-asfalto)}

  .grid{display:grid;gap:22px}
  .g3{grid-template-columns:repeat(3,1fr)}
  .g2{grid-template-columns:repeat(2,1fr)}
  .card{background:#fff;border:1px solid var(--m-linea);border-radius:16px;padding:32px 30px;transition:border-color .25s ease;position:relative;overflow:hidden}
  .card:hover{border-color:var(--m-asfalto)}
  .card::after{display:none}
  .card h3{font-size:22px;margin-bottom:6px;color:var(--m-asfalto)}
  .card h3::after{content:"";display:block;width:44px;height:4px;background:var(--m-lima);margin-top:10px}
  .card p{color:var(--m-gris);font-size:16px;margin-top:10px}

  /* Pilares */
  .pilares .pilar{padding-top:36px}
  .pilar .pn{position:absolute;right:6px;bottom:-34px;font-family:var(--font-display);font-size:180px;font-weight:800;color:rgba(28,26,23,.05);line-height:1;z-index:0;pointer-events:none}
  .pilar .pk{font-family:var(--font-label);color:var(--m-gris);font-weight:700;letter-spacing:.2em;text-transform:uppercase;font-size:12px;margin-bottom:12px;position:relative;z-index:1}
  .pilar h3,.pilar p{position:relative;z-index:1}

  /* Marquee husos */
  .marquee{overflow:hidden;border-top:1px solid var(--m-linea);border-bottom:1px solid var(--m-linea);padding:34px 0;background:#fff;white-space:nowrap}
  .marquee .track{display:inline-flex;gap:44px;animation:scrollx 26s linear infinite}
  .marquee:hover .track{animation-play-state:paused}
  .marquee .m{display:inline-flex;align-items:center;gap:14px;font-family:var(--font-display);font-size:30px;font-weight:800;letter-spacing:-.02em;color:var(--m-asfalto)}
  .marquee .m .h{color:var(--m-gris);font-weight:800;font-variant-numeric:tabular-nums}
  @keyframes scrollx{from{transform:translateX(0)}to{transform:translateX(-50%)}}

  /* Timeline etapas */
  .tl{position:relative;margin-top:20px;padding-left:26px}
  .tl::before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;background:var(--m-linea)}
  .tl-item{position:relative;padding:0 0 34px 26px}
  .tl-item::before{content:"";position:absolute;left:-26px;top:6px;width:14px;height:14px;border-radius:50%;background:var(--m-asfalto);border:3px solid #fff}
  .tl-item .k{display:inline-block;font-family:var(--font-label);color:var(--m-gris);font-weight:700;font-size:12px;letter-spacing:.2em;text-transform:uppercase;margin-bottom:8px;border-bottom:4px solid var(--m-lima);padding-bottom:4px}
  .tl-item h3{font-size:22px;margin-bottom:6px;color:var(--m-asfalto)}
  .tl-item p{color:var(--m-gris);font-size:16px}
  .tl-item.star{background:var(--m-asfalto);border:none;border-radius:16px;padding:26px 26px 26px 26px;margin-left:-4px}
  .tl-item.star::before{left:-30px}
  .star-tag{display:block;width:max-content;font-family:var(--font-label);background:var(--m-lima);color:var(--m-asfalto);font-weight:700;font-size:11px;letter-spacing:.16em;text-transform:uppercase;padding:6px 12px;border-radius:8px;margin-bottom:12px}
  .tl-item.star h3{color:#fff}

  /* Anfitriona */
  .autora{display:grid;grid-template-columns:240px 1fr;gap:48px;align-items:center}
  .av{width:240px;height:240px;border-radius:16px;background:var(--m-asfalto);display:flex;align-items:center;justify-content:center;position:relative;border:none;object-fit:cover}
  .av::after{display:none}
  .av span{font-family:var(--font-display);font-size:64px;font-weight:800;color:#fff;position:relative;z-index:1}
  .autora ul{list-style:none;margin-top:18px}
  .autora li{padding:8px 0 8px 30px;position:relative;color:var(--m-gris)}
  .autora li::before{content:"\2713";position:absolute;left:0;color:var(--m-asfalto);font-weight:700}

  /* Inscripción — blanco; el único sólido rojo es el CTA gratis */
  #inscripcion{background:#FFFFFF;border-top:1px solid var(--m-linea)}
  #inscripcion h2.sec::after{margin-left:auto;margin-right:auto}
  .tier.free .btn.ghost{background:var(--m-rojo);color:#fff;border:none}
  .tier.free .btn.ghost:hover{background:var(--m-asfalto)}
  .tier.featured .btn{background:var(--m-asfalto);color:#fff}
  .tier.featured .btn:hover{background:var(--m-rojo)}
  .gami{display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;max-width:840px;margin:0 auto 30px;background:#fff;border:1px solid var(--m-linea);border-radius:14px;padding:16px 24px;font-size:15px;font-weight:600;color:var(--m-gris)}
  .gami b{color:var(--m-asfalto)}
  .gami .pts{font-family:var(--font-display);font-weight:800;font-size:22px;color:var(--m-asfalto)}
  .tiers{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;max-width:840px;margin:0 auto;align-items:stretch}
  .tier{background:#fff;border:1px solid var(--m-linea);border-radius:16px;padding:38px 32px;display:flex;flex-direction:column;position:relative;overflow:visible}
  .tier::after{display:none}
  .tier.featured{border:2px solid var(--m-asfalto)}
  .tier h3{font-size:22px;margin-bottom:12px;color:var(--m-asfalto)}
  .tier h3::after{content:"";display:block;width:44px;height:4px;background:var(--m-lima);margin-top:10px}
  .tier .tprice{font-family:var(--font-display);font-size:56px;font-weight:800;color:var(--m-asfalto);line-height:1;margin-top:14px}
  .tier.free .tprice{color:var(--m-asfalto)}
  .tier .tprice span{font-family:var(--font);font-size:15px;color:var(--m-gris);font-weight:500;letter-spacing:0}
  .tier .tsub{color:var(--m-gris);font-size:15px;margin:10px 0 22px}
  .tier ul{list-style:none;margin-bottom:26px;flex:1}
  .tier li{padding:10px 0 10px 30px;position:relative;font-size:15px;border-bottom:1px solid var(--m-linea);color:var(--m-asfalto)}
  .tier li:last-child{border-bottom:none}
  .tier li.yes::before{content:"\2713";position:absolute;left:2px;color:var(--m-asfalto);font-weight:700}
  .tier li.no{color:var(--m-gris)}
  .tier li.no::before{content:"\2715";position:absolute;left:2px;color:var(--m-linea);font-weight:700}
  
  .tier .btn.ghost{border-color:var(--m-asfalto);color:var(--m-asfalto)}
  .tier .btn.ghost:hover{background:var(--m-asfalto);color:#fff}
  .tbtn{width:100%;justify-content:center;text-align:center}
  /* Formulario de registro gratis (MailerLite nativo) */
  .sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
  .ml-form input[type=text],.ml-form input[type=email]{width:100%;font-family:var(--font);font-size:16px;color:var(--m-asfalto);background:#fff;border:1px solid var(--m-linea);border-radius:12px;padding:13px 16px;margin-bottom:10px;transition:border-color .2s ease}
  .ml-form input:focus{outline:none;border-color:var(--m-asfalto)}
  .ml-form input::placeholder{color:var(--m-gris)}
  .ml-form .btn{border:none}
  .ml-ok{margin-top:14px;font-size:15px;color:var(--m-asfalto);background:var(--m-tiza);border:1px solid var(--m-linea);border-radius:12px;padding:14px 16px}
  .ml-error{margin-top:14px;font-size:14px;color:var(--m-rojo-texto)}
  .ribbon{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--m-asfalto);color:#fff;font-family:var(--font-label);font-weight:700;font-size:11px;letter-spacing:.16em;text-transform:uppercase;padding:7px 16px;border-radius:8px;white-space:nowrap}

  /* FAQ */
  .faq{max-width:780px}
  details{background:#fff;border:1px solid var(--m-linea);border-radius:14px;padding:22px 26px;margin-bottom:14px;transition:border-color .2s ease}
  details[open]{border-color:var(--m-asfalto)}
  summary{font-weight:600;cursor:pointer;font-size:17px;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;color:var(--m-asfalto)}
  summary::-webkit-details-marker{display:none}
  summary::after{content:"+";color:var(--m-asfalto);font-size:26px;font-weight:700}
  details[open] summary::after{content:"\2212"}
  details p{color:var(--m-gris);margin-top:14px;font-size:16px}
  details[open] p{animation:faqIn .4s var(--ease)}
  @keyframes faqIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}

  /* Footer */
  footer{padding:56px 0 44px;color:#B9B3AD;font-size:13px;background:var(--m-asfalto)}
  .foot-grid{display:flex;justify-content:space-between;flex-wrap:wrap;gap:26px;margin-bottom:30px}
  footer .fb{color:#fff;font-family:var(--font-display);font-weight:800;font-size:17px;margin-bottom:10px}
  footer a{color:#fff;text-decoration:underline;text-decoration-color:rgba(255,255,255,.4)}
  footer a:hover{text-decoration:underline}
  .disclaimer{border-top:1px solid rgba(255,255,255,.15);padding-top:22px;font-size:13px;color:#8E8880}
  .ph{background:rgba(232,255,140,.45);border-bottom:1px dashed var(--m-gris);padding:0 4px;border-radius:3px}

  /* CTA fija móvil */
  #mcta{position:fixed;left:12px;right:12px;bottom:12px;z-index:95;display:none;background:var(--m-rojo);color:#fff;font-family:var(--font-label);font-weight:700;font-size:13px;letter-spacing:.16em;text-transform:uppercase;text-align:center;padding:16px;border-radius:12px;transform:translateY(130%);transition:transform .4s var(--ease)}
  #mcta.on{transform:none}
  @media(max-width:720px){#mcta{display:block}}

  /* Reveal on scroll */
  .reveal{opacity:0;transform:translateY(22px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
  .reveal.in{opacity:1;transform:none}
  .reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}

  /* Demo IA — la reputación algorítmica, demostrada en la propia página */
  #demo-ia .ia-card{max-width:720px;background:#fff;border:1px solid var(--m-linea);border-radius:16px;overflow:hidden}
  .ia-q{padding:20px 26px;border-bottom:1px solid var(--m-linea);font-weight:600;font-size:17px;color:var(--m-asfalto);background:var(--m-tiza)}
  .ia-a{padding:22px 26px}
  .ia-tag{display:block;font-family:var(--font-label);font-weight:700;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--m-gris);margin-bottom:8px}
  .ia-a p{color:var(--m-asfalto);font-size:16.5px;min-height:7em}
  @media(max-width:560px){.ia-a p{min-height:12em}}
  .typing::after{content:"";display:inline-block;width:9px;height:1.05em;background:var(--m-asfalto);vertical-align:text-bottom;margin-left:3px;animation:caret 1s steps(1) infinite}
  @keyframes caret{50%{opacity:0}}
  .ent{border-radius:4px;padding:0 3px;border-bottom:1px solid transparent;transition:background .35s ease,border-color .35s ease}
  .ent.on{background:var(--m-tiza);border-bottom:1px solid var(--m-asfalto)}
  .ia-srcs{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
  .ia-src{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--m-linea);border-radius:999px;padding:7px 14px;font-size:13px;color:var(--m-gris);opacity:0;transition:opacity .5s ease}
  .ia-src b{color:var(--m-asfalto);font-weight:600}
  .ia-card.done .ia-src{opacity:1}
  .ia-nota{margin-top:26px;color:var(--m-gris);max-width:62ch;font-size:16px}
  .ia-nota strong{color:var(--m-asfalto)}
  button.btn{cursor:pointer;font-size:13px}
  dialog#vista-ia{border:1px solid var(--m-linea);border-radius:16px;padding:0;width:min(92vw,660px);margin:auto;background:#fff;color:var(--m-asfalto)}
  dialog#vista-ia::backdrop{background:rgba(14,15,18,.55)}
  .vi-head{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:14px 16px 14px 26px;border-bottom:1px solid var(--m-linea)}
  .vi-body{margin:0;padding:24px 26px;white-space:pre-wrap;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px;line-height:1.8;color:var(--m-asfalto);background:var(--m-tiza);max-height:62vh;overflow:auto}
  .vi-cerrar{cursor:pointer;font-family:var(--font-label);font-weight:700;font-size:11px;letter-spacing:.16em;text-transform:uppercase;background:transparent;border:1.5px solid var(--m-asfalto);color:var(--m-asfalto);border-radius:10px;padding:8px 14px;transition:background .2s ease,color .2s ease}
  .vi-cerrar:hover{background:var(--m-asfalto);color:#fff}

  /* CSS moderno 2026 — mejoras progresivas (solo navegadores que las soportan) */
  @view-transition{navigation:auto}
  @supports (animation-timeline: scroll()){
    #progress{width:100%;transform-origin:0 50%;transform:scaleX(0);transition:none;animation:rutaProgress linear both;animation-timeline:scroll(root)}
    @keyframes rutaProgress{to{transform:scaleX(1)}}
  }
  @supports (animation-timeline: view()){
    h2.sec::after{transform-origin:0 50%;animation:limaDraw linear both;animation-timeline:view();animation-range:entry 20% entry 70%}
    @keyframes limaDraw{from{transform:scaleX(0)}to{transform:scaleX(1)}}
    .pilar .pn{animation:pnDrift linear both;animation-timeline:view();animation-range:entry 0% exit 100%}
    @keyframes pnDrift{from{transform:translateY(34px)}to{transform:translateY(-22px)}}
  }

  @media(max-width:860px){
    body{font-size:16px}
    .g3,.g2{grid-template-columns:1fr}
    .tiers{grid-template-columns:1fr}
    .facts .grid{grid-template-columns:repeat(2,1fr)}
    .fact:nth-child(2n){border-right:none}
    .fact{border-bottom:1px solid var(--m-linea)}
    .autora{grid-template-columns:1fr;text-align:center;gap:30px}
    .av{margin:0 auto}
    .autora li{text-align:left}
    #nav .logo{font-size:.95rem}
    .pilar .pn{font-size:130px}
  }
  @media(prefers-reduced-motion:reduce){
    *{animation:none!important;transition:none!important}
    .reveal{opacity:1;transform:none}
    .marquee .track{animation:none!important}
    #progress{transform:none!important;width:0}
    .pilar .pn{transform:none!important}
    h2.sec::after{transform:none!important}
  }
.hist .ed-img{width:100%;height:auto;display:block;margin-top:18px;border:1px solid var(--m-linea);border-radius:2px}
@media(max-width:640px){.hist .ed-img{margin-top:14px}}