:root{
  --navy:#112237;--white:#FFFFFF;--yellow:#F8D210;--blue:#0081DD;--gray-light:#F4F4F4;--black-deep:#0A0F1A;
  --white-70:rgba(255,255,255,.7);--white-50:rgba(255,255,255,.5);--line:rgba(255,255,255,.12);
  --ink:rgba(17,34,55,.82);--ink-soft:rgba(17,34,55,.55);--rule:rgba(17,34,55,.10);
  --ease:cubic-bezier(.16,.8,.24,1);
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:'Mulish',sans-serif;background:var(--white);color:var(--navy);-webkit-font-smoothing:antialiased;overflow-x:hidden;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
.wrap{width:min(1180px,92%);margin-inline:auto;}
h1,h2,h3{font-family:'Montserrat',sans-serif;font-weight:800;line-height:1.15;letter-spacing:-.01em;}
.tag{display:inline-flex;align-items:center;gap:.5rem;font-weight:800;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--yellow);margin-bottom:1rem;}
.tag::before{content:'';width:18px;height:2px;background:var(--yellow);}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;font-weight:800;font-size:.95rem;padding:1rem 1.8rem;border-radius:100px;border:2px solid transparent;cursor:pointer;transition:transform .25s var(--ease);white-space:nowrap;}
.btn-yellow{background:var(--yellow);color:var(--navy);}
.btn-yellow:hover{transform:translateY(-3px);}
.btn-outline-white{background:transparent;color:var(--white);border-color:rgba(255,255,255,.5);}
.btn-outline-white:hover{border-color:var(--white);transform:translateY(-3px);}

/* ---------- barra de progreso de lectura ---------- */
.read-progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--yellow);z-index:400;transition:width .1s linear;}

header{position:fixed;top:0;left:0;right:0;z-index:200;background:rgba(17,34,55,.93);backdrop-filter:blur(10px);border-top:3px solid var(--yellow);padding:1.05rem 0;transition:padding .3s var(--ease);}
header.scrolled{padding:.7rem 0;box-shadow:0 10px 30px rgba(0,0,0,.25);}
header .wrap{display:flex;align-items:center;justify-content:space-between;gap:2rem;}
.logo img{height:40px;width:auto;}
@media(min-width:640px){.logo img{height:48px;}}
nav.main-nav ul{display:flex;gap:1.9rem;align-items:center;}
nav.main-nav a{font-weight:700;font-size:.9rem;color:var(--white-70);}
nav.main-nav a:hover{color:var(--white);}
.header-actions{display:flex;align-items:center;gap:1rem;}
.burger{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:transparent;color:var(--white);cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px;}
.burger span{display:block;width:20px;height:2px;background:var(--white);}
.mobile-nav{position:fixed;inset:0;background:var(--navy);z-index:199;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.8rem;transform:translateY(-100%);transition:transform .4s var(--ease);}
.mobile-nav.open{transform:translateY(0);}
.mobile-nav a{font-family:'Montserrat',sans-serif;font-weight:800;font-size:1.5rem;color:var(--white);}
@media(max-width:980px){nav.main-nav{display:none;}.burger{display:flex;}}

/* ---------- hero ---------- */
.article-hero{position:relative;padding-top:9.5rem;padding-bottom:4rem;overflow:hidden;color:var(--white);}
.article-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.05);}
.article-hero-overlay{position:absolute;inset:0;background:linear-gradient(100deg, rgba(17,34,55,.95) 30%, rgba(17,34,55,.68) 90%);}
.article-hero .wrap{position:relative;z-index:2;max-width:820px;}
.back-link{display:inline-flex;align-items:center;gap:.5rem;color:var(--white-70);font-weight:700;font-size:.88rem;margin-bottom:1.6rem;}
.back-link:hover{color:var(--white);}
.article-hero h1{font-size:clamp(1.85rem,4vw,3rem);line-height:1.1;}
.article-standfirst{margin-top:1.5rem;font-size:clamp(1.02rem,1.6vw,1.2rem);line-height:1.6;color:var(--white-70);max-width:64ch;}
.article-meta{display:flex;align-items:center;gap:.9rem;margin-top:2rem;flex-wrap:wrap;}
.article-meta-avatar{flex:none;width:46px;height:46px;border-radius:50%;background:rgba(255,255,255,.12);border:1.5px solid var(--yellow);color:var(--yellow);display:flex;align-items:center;justify-content:center;font-family:'Montserrat',sans-serif;font-weight:800;font-size:.9rem;}
.article-author{display:block;font-weight:700;font-size:.93rem;color:var(--white);}
.article-author a{color:var(--yellow);text-decoration:underline;text-underline-offset:2px;}
.article-date{display:block;font-size:.85rem;color:var(--white-70);margin-top:.15rem;}
.read-time{margin-left:auto;font-size:.82rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--white-50);border:1px solid var(--line);border-radius:100px;padding:.45rem 1rem;}
@media(max-width:640px){.read-time{margin-left:0;}}

/* ---------- cuerpo del artículo ----------
   Medida ~66 caracteres, cuerpo 18-19px, interlineado 1.72.
   Base: investigación de tipografía para lectura larga. */
.article-body{padding:4.5rem 0 5rem;}
.article-body .wrap{max-width:720px;}
.article-body p{font-size:1.15rem;line-height:1.72;color:var(--ink);margin-bottom:1.45rem;max-width:66ch;}
.article-body strong{color:var(--navy);font-weight:800;}
.article-body em{font-style:italic;}
.article-body h2{font-size:clamp(1.5rem,2.6vw,1.9rem);margin-top:3.4rem;margin-bottom:1.1rem;max-width:24ch;}
.article-body h3{font-size:clamp(1.12rem,1.8vw,1.3rem);margin-top:2.4rem;margin-bottom:.85rem;color:var(--navy);max-width:32ch;}
.article-body h2 + p, .article-body h3 + p{margin-top:0;}

/* entradilla: primer párrafo más grande */
.lede{font-size:1.32rem !important;line-height:1.6 !important;color:var(--navy) !important;font-weight:500;}

/* ---------- nota de fuente bajo cada cifra ---------- */
.article-body small.fuente{
  display:block;
  font-size:.82rem;
  line-height:1.55;
  color:var(--ink-soft);
  border-left:2px solid var(--yellow);
  padding-left:.85rem;
  margin:-.4rem 0 1.7rem;
  max-width:62ch;
}
.article-body small.fuente strong{color:var(--ink-soft);font-weight:800;}
.article-body small.fuente em{font-style:italic;}

/* ---------- bloque de duelo ---------- */
.nota-apertura{background:var(--gray-light);border-radius:16px;padding:1.9rem 2rem;margin-bottom:3rem;border-left:3px solid var(--blue);}
.nota-apertura p{font-size:1.02rem;line-height:1.68;margin-bottom:.9rem;color:var(--ink);}
.nota-apertura p:last-child{margin-bottom:0;}
.nota-apertura .apertura-titulo{font-family:'Montserrat',sans-serif;font-weight:800;font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;color:var(--blue);margin-bottom:.9rem;}

/* ---------- separador de sección mayor (Falla 1/2/3) ---------- */
.falla{margin:4.5rem 0 2rem;padding-top:2.6rem;border-top:1px solid var(--rule);}
.falla-num{font-family:'Montserrat',sans-serif;font-weight:900;font-size:.8rem;letter-spacing:.18em;text-transform:uppercase;color:var(--yellow);display:flex;align-items:center;gap:.7rem;margin-bottom:.7rem;}
.falla-num::after{content:'';flex:1;height:1px;background:var(--rule);}
.falla h2{margin-top:0;font-size:clamp(1.75rem,3.2vw,2.3rem);}

/* ---------- cita destacada ---------- */
.pull{margin:2.8rem 0;padding-left:1.6rem;border-left:4px solid var(--yellow);}
.pull p{font-family:'Montserrat',sans-serif;font-weight:800;font-size:clamp(1.25rem,2.2vw,1.55rem);line-height:1.35;color:var(--navy);margin:0;max-width:26ch;letter-spacing:-.01em;}

/* ---------- dato destacado ---------- */
.dato{margin:2.6rem 0;background:var(--navy);border-radius:18px;padding:2rem 2.1rem;color:var(--white);}
.dato-label{font-family:'Montserrat',sans-serif;font-weight:800;font-size:.76rem;letter-spacing:.16em;text-transform:uppercase;color:var(--yellow);margin-bottom:1.2rem;}
.dato-cifras{display:flex;gap:2.6rem;flex-wrap:wrap;align-items:flex-end;}
.dato-item .n{font-family:'Montserrat',sans-serif;font-weight:900;font-size:clamp(2rem,5vw,2.9rem);line-height:1;display:block;}
.dato-item .n.alto{color:var(--yellow);}
.dato-item .t{display:block;font-size:.86rem;color:var(--white-70);margin-top:.5rem;font-weight:600;}
.dato-pie{margin-top:1.4rem;padding-top:1.2rem;border-top:1px solid var(--line);font-size:.95rem;line-height:1.6;color:var(--white-70);}
.dato-pie strong{color:var(--white);}

/* ---------- listas ---------- */
.article-body ul.puntos{margin:0 0 1.6rem;max-width:66ch;}
.article-body ul.puntos li{position:relative;padding-left:1.5rem;font-size:1.15rem;line-height:1.72;color:var(--ink);margin-bottom:.9rem;}
.article-body ul.puntos li::before{content:'';position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--yellow);}
.article-body ol.exigir{counter-reset:ex;margin:0 0 1.6rem;list-style:none;max-width:66ch;}
.article-body ol.exigir > li{counter-increment:ex;position:relative;padding-left:3.1rem;margin-bottom:1.7rem;}
.article-body ol.exigir > li::before{content:counter(ex);position:absolute;left:0;top:-.1rem;width:2.2rem;height:2.2rem;border-radius:50%;background:var(--yellow);color:var(--navy);font-family:'Montserrat',sans-serif;font-weight:900;font-size:.95rem;display:flex;align-items:center;justify-content:center;}
.article-body ol.exigir > li p{margin-bottom:.4rem;}
.article-body ol.exigir > li p:last-child{margin-bottom:0;}

/* ---------- nota de referencia cruzada ---------- */
.crossref{background:var(--gray-light);border-radius:14px;padding:1.4rem 1.6rem;margin:2.4rem 0;}
.crossref p{font-size:1rem;line-height:1.65;color:var(--ink-soft);margin:0;max-width:none;}
.crossref a{color:var(--blue);font-weight:700;text-decoration:underline;text-underline-offset:2px;}

/* ---------- posición ---------- */
.posicion{margin-top:4.5rem;padding-top:3rem;border-top:3px solid var(--yellow);}
.posicion h2{margin-top:0;}
.posicion .sub{font-family:'Montserrat',sans-serif;font-weight:800;font-size:1.05rem;color:var(--navy);margin:2.2rem 0 .9rem;}
.cierre{font-family:'Montserrat',sans-serif;font-weight:800;font-size:clamp(1.3rem,2.6vw,1.7rem);line-height:1.3;color:var(--navy);margin:2.4rem 0;padding:1.7rem 0;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);max-width:24ch;letter-spacing:-.01em;}

/* ---------- fuentes ---------- */
.fuentes{margin-top:4rem;padding-top:2.4rem;border-top:1px solid var(--rule);}
.fuentes h2{font-size:1.3rem;margin-top:0;margin-bottom:.6rem;}
.fuentes .intro{font-size:.95rem;color:var(--ink-soft);margin-bottom:2rem;max-width:60ch;}
.fuentes h3{font-family:'Montserrat',sans-serif;font-weight:800;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--blue);margin:2rem 0 1rem;}
.fuentes ul{margin:0;}
.fuentes li{font-size:.93rem;line-height:1.6;color:var(--ink-soft);margin-bottom:1.15rem;padding-left:1.1rem;border-left:2px solid var(--rule);}
.fuentes li strong{color:var(--navy);font-weight:700;}
.fuentes li a{color:var(--blue);word-break:break-word;text-decoration:underline;text-underline-offset:2px;font-size:.87rem;}
.fuentes li a:hover{color:var(--navy);}

/* ---------- CTA ---------- */
.article-cta{margin-top:3.4rem;background:var(--navy);border-radius:20px;padding:2.6rem;color:var(--white);}
.article-cta h3{font-size:1.4rem;margin-bottom:.9rem;color:var(--white);max-width:none;margin-top:0;}
.article-cta p{color:var(--white-70);margin-bottom:1.5rem;font-size:1.02rem;max-width:52ch;}
.article-cta-actions{display:flex;gap:1rem;flex-wrap:wrap;}

footer{background:var(--black-deep);color:var(--white);padding:4rem 0 2rem;}
.footer-logo img{height:32px;margin-bottom:1rem;}
footer p{color:var(--white-50);font-size:.92rem;}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem;padding-top:2rem;margin-top:2rem;border-top:1px solid rgba(255,255,255,.1);font-size:.8rem;color:var(--white-50);}
.footer-bottom a{color:var(--white-70);font-weight:700;}

.wa-float{position:fixed;bottom:28px;right:28px;z-index:300;width:60px;height:60px;border-radius:50%;background:#25D366;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 26px rgba(37,211,102,.4);transition:transform .2s;}
.wa-float:hover{transform:translateY(-2px);}
@media(max-width:640px){.wa-float{width:52px;height:52px;bottom:18px;right:18px;}}

@media(max-width:640px){
  .article-body{padding:3rem 0 3.5rem;}
  .article-body p{font-size:1.08rem;line-height:1.7;}
  .lede{font-size:1.18rem !important;}
  .article-body ul.puntos li{font-size:1.08rem;}
  .dato{padding:1.6rem;}
  .dato-cifras{gap:1.8rem;}
  .article-cta{padding:1.9rem;}
  .nota-apertura{padding:1.5rem 1.4rem;}
}

/* ---------- tablas ---------- */
.tabla-wrap{overflow-x:auto;margin:2rem 0 .6rem;-webkit-overflow-scrolling:touch;}
.tabla-wrap table{border-collapse:collapse;width:100%;min-width:480px;font-size:1rem;}
.tabla-wrap th{font-family:'Montserrat',sans-serif;font-weight:800;font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--navy);text-align:left;padding:.85rem 1rem;border-bottom:2px solid var(--yellow);white-space:nowrap;}
.tabla-wrap td{padding:.85rem 1rem;border-bottom:1px solid var(--rule);color:var(--ink);line-height:1.5;}
.tabla-wrap tbody tr:last-child td{border-bottom:none;}
.tabla-wrap td:not(:first-child){font-variant-numeric:tabular-nums;white-space:nowrap;}
@media(max-width:640px){.tabla-wrap table{font-size:.92rem;}.tabla-wrap th,.tabla-wrap td{padding:.7rem .8rem;}}

/* ---------- foto dentro del artículo ---------- */
.figura{margin:2.6rem 0 2.2rem;}
.figura img{width:100%;height:auto;display:block;border-radius:14px;}
.figura figcaption{font-size:.86rem;line-height:1.55;color:var(--ink-soft);margin-top:.8rem;padding-left:.85rem;border-left:2px solid var(--yellow);max-width:62ch;}
.figura figcaption span{font-weight:700;color:var(--ink);}
@media(min-width:900px){.figura{margin-left:-4rem;margin-right:-4rem;}}