/* ============================================================
   BlackPrint — sistema visual de las guías
   Toma el lenguaje de los reportes: papel blanco, tinta #231f20,
   Bai Jamjuree de display, Work Sans de texto, secciones §NN,
   insignias MEDIDO y franjas oscuras a sangre para respirar.
   ============================================================ */

:root{
  --papel:#ffffff;
  --papel-2:#f7f8f9;
  --tinta:#231f20;
  --tinta-60:rgba(35,31,32,.62);
  --tinta-40:rgba(35,31,32,.44);
  --linea:rgba(35,31,32,.12);
  --azul:#0875e3;
  --azul-p:#0662c2;
  --azul-claro:#9dc0ec;
  --rosa:#fe2b7c;
  --oscuro:#0e0d0d;
  --oscuro-2:#1a1a19;
  --hielo:#8fd2f7;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--papel);color:var(--tinta);
  font:300 17px/1.68 'Work Sans',system-ui,-apple-system,sans-serif;
  letter-spacing:-.011em;-webkit-font-smoothing:antialiased;
}
.marco{max-width:1080px;margin:0 auto;padding:0 40px}
.col{max-width:760px}

/* ---------- barra superior ---------- */
.top{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.93);backdrop-filter:blur(12px);border-bottom:1px solid var(--linea)}
.top .marco{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px}
.top a.logo{display:block;line-height:0}
.top a.logo img{height:19px;width:auto;display:block}
.top nav a{color:var(--tinta-60);text-decoration:none;font:400 14px 'Work Sans',sans-serif;margin-left:22px}
.top nav a:hover{color:var(--azul)}
.top .cta{display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:19px;background:var(--azul);color:#fff !important;font:500 13.5px 'Work Sans',sans-serif;margin-left:22px}
.top .cta:hover{background:#0a86ff}

/* ---------- portada ---------- */
.portada{background:var(--oscuro);color:#f6f5f5;padding:76px 0 68px;position:relative;overflow:hidden}
.portada::after{content:"";position:absolute;inset:0;background:radial-gradient(900px 420px at 78% 12%,rgba(8,117,227,.20),transparent 68%);pointer-events:none}
.portada .marco{position:relative;z-index:1}
.miga{font:400 13px 'Work Sans',sans-serif;color:rgba(255,255,255,.42);margin-bottom:26px}
.miga a{color:rgba(255,255,255,.62);text-decoration:none}
.miga a:hover{color:var(--hielo)}
.kicker{display:inline-flex;align-items:center;gap:9px;font:600 11.5px 'Bai Jamjuree',sans-serif;letter-spacing:.14em;text-transform:uppercase;color:var(--hielo)}
.kicker::before{content:"";width:22px;height:2px;background:var(--hielo);border-radius:1px}
.portada h1{
  margin:20px 0 0;max-width:15ch;
  font:600 62px/1.04 'Bai Jamjuree',sans-serif;letter-spacing:-.04em;text-wrap:balance;color:#fff;
}
.portada .lede{margin:22px 0 0;max-width:60ch;font:300 19px/1.6 'Work Sans',sans-serif;color:rgba(255,255,255,.7)}
.meta{margin-top:30px;display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;font:400 13px 'Work Sans',sans-serif;color:rgba(255,255,255,.45)}
.insignia{display:inline-flex;align-items:center;gap:7px;height:26px;padding:0 12px;border-radius:13px;border:1px solid rgba(143,210,247,.4);background:rgba(143,210,247,.09);font:600 11px 'Bai Jamjuree',sans-serif;letter-spacing:.1em;text-transform:uppercase;color:var(--hielo)}
.insignia::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--hielo)}

/* ---------- respuesta corta ---------- */
.tldr{background:var(--papel-2);border-bottom:1px solid var(--linea);padding:34px 0}
.tldr .rot{font:600 11.5px 'Bai Jamjuree',sans-serif;letter-spacing:.14em;text-transform:uppercase;color:var(--azul);margin-bottom:10px}
.tldr p{margin:0;max-width:70ch;font:300 19px/1.6 'Work Sans',sans-serif;color:var(--tinta)}
.tldr b{font-weight:600}

/* ---------- secciones ---------- */
section.bloque{padding:58px 0;border-bottom:1px solid var(--linea)}
.num{font:600 12px 'Bai Jamjuree',sans-serif;letter-spacing:.1em;color:var(--azul)}
h2{margin:10px 0 14px;max-width:22ch;font:600 33px/1.16 'Bai Jamjuree',sans-serif;letter-spacing:-.032em;text-wrap:pretty}
h3{margin:30px 0 8px;font:600 18px 'Bai Jamjuree',sans-serif;letter-spacing:-.02em}
p{margin:0 0 16px;max-width:70ch}
p:last-child{margin-bottom:0}
a.liga,section.bloque a{color:var(--azul);text-decoration:underline;text-underline-offset:3px}
b,strong{font-weight:600}

/* franja oscura a sangre */
section.oscuro{background:var(--oscuro);color:#f6f5f5;border-bottom:none}
section.oscuro h2{color:#fff}
section.oscuro .num{color:var(--hielo)}
section.oscuro p{color:rgba(255,255,255,.72)}
section.oscuro a{color:var(--hielo)}
section.oscuro th{color:var(--hielo);border-color:rgba(255,255,255,.14)}
section.oscuro td{border-color:rgba(255,255,255,.1);color:rgba(255,255,255,.78)}
section.oscuro td b{color:#fff}
section.oscuro figure{background:var(--oscuro-2);border-color:rgba(255,255,255,.12)}
section.oscuro figcaption{color:#fff}
section.oscuro .sub,section.oscuro .fuente{color:rgba(255,255,255,.5)}
section.oscuro .leyenda{color:rgba(255,255,255,.66)}

/* ---------- tablas ---------- */
.tabla{overflow-x:auto;margin:8px 0 0;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;font-size:15px;min-width:480px}
th,td{text-align:left;padding:13px 14px;border-bottom:1px solid var(--linea);vertical-align:top}
th{font:600 11.5px 'Bai Jamjuree',sans-serif;letter-spacing:.09em;text-transform:uppercase;color:var(--azul);white-space:nowrap}
td b{color:var(--tinta);font-weight:600}
td span.sec{display:block;margin-top:4px;font-size:14px;color:var(--tinta-60)}

/* ---------- pasos ---------- */
ol.pasos{counter-reset:p;list-style:none;margin:10px 0 0;padding:0}
ol.pasos li{counter-increment:p;position:relative;padding:0 0 22px 52px}
ol.pasos li::before{
  content:counter(p,decimal-leading-zero);position:absolute;left:0;top:1px;
  width:34px;height:34px;border-radius:50%;border:1px solid var(--linea);
  display:flex;align-items:center;justify-content:center;
  font:600 12.5px 'Bai Jamjuree',sans-serif;color:var(--azul);background:var(--papel-2);
}
ol.pasos b{display:block;margin-bottom:4px;font:600 17px 'Bai Jamjuree',sans-serif;letter-spacing:-.02em}
ol.pasos p{margin:0;color:var(--tinta-60);font-size:16px}

/* ---------- figuras y gráficas ---------- */
figure{margin:14px 0 0;padding:24px 22px 18px;background:var(--papel-2);border:1px solid var(--linea);border-radius:14px}
figcaption{margin:0 0 4px;font:600 17px 'Bai Jamjuree',sans-serif;letter-spacing:-.02em}
figure .sub{margin:0 0 18px;font-size:14.5px;color:var(--tinta-60);max-width:66ch}
.leyenda{display:flex;flex-wrap:wrap;gap:8px 20px;margin-bottom:16px;font-size:13px;color:var(--tinta-60)}
.leyenda span{display:inline-flex;align-items:center;gap:8px}
.leyenda i{width:11px;height:11px;border-radius:3px;display:inline-block;flex:none}
.fuente{margin:14px 0 0;font-size:12.5px;color:var(--tinta-40)}
svg.gr{display:block;width:100%;height:auto;overflow:visible}
svg.gr .hit{fill:transparent;cursor:default}
svg.gr .hit:hover ~ .val,svg.gr g.pt:hover .val{opacity:1}
svg.gr .val{opacity:0;transition:opacity .12s}
svg.gr g.pt:hover circle.dot{r:6}

/* cifras */
.cifras{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;margin-top:14px}
.cifra{padding:18px;border:1px solid var(--linea);border-radius:12px;background:var(--papel-2)}
.cifra b{display:block;font:600 30px 'Bai Jamjuree',sans-serif;letter-spacing:-.035em;color:var(--azul-p);line-height:1.1}
.cifra span{display:block;margin-top:7px;font-size:14px;color:var(--tinta-60)}
.cifra i{display:block;margin-top:8px;font-style:normal;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--tinta-40)}
section.oscuro .cifra{background:var(--oscuro-2);border-color:rgba(255,255,255,.12)}
section.oscuro .cifra b{color:var(--hielo)}
section.oscuro .cifra span{color:rgba(255,255,255,.62)}
section.oscuro .cifra i{color:rgba(255,255,255,.38)}

/* aviso */
.aviso{margin-top:22px;padding:20px 22px;border-left:3px solid var(--rosa);background:var(--papel-2);border-radius:0 10px 10px 0;font-size:16px;color:var(--tinta-60)}
.aviso b{color:var(--tinta)}
section.oscuro .aviso{background:var(--oscuro-2);color:rgba(255,255,255,.72)}
section.oscuro .aviso b{color:#fff}

/* siguiente lectura */
.siguiente{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin-top:14px}
.siguiente a{display:block;padding:20px;border:1px solid var(--linea);border-radius:12px;text-decoration:none;color:var(--tinta);background:var(--papel)}
.siguiente a:hover{border-color:rgba(8,117,227,.5)}
.siguiente a em{display:block;font-style:normal;font:600 11.5px 'Bai Jamjuree',sans-serif;letter-spacing:.1em;text-transform:uppercase;color:var(--azul);margin-bottom:7px}
.siguiente a strong{display:block;font:600 17px/1.3 'Bai Jamjuree',sans-serif;letter-spacing:-.02em}

/* ---------- pie ---------- */
footer.pie{background:var(--oscuro);color:rgba(255,255,255,.5);padding:44px 0 56px;font-size:14px}
footer.pie img{height:17px;width:auto;display:block;margin-bottom:20px}
footer.pie a{color:rgba(255,255,255,.62);text-decoration:none;margin-right:20px}
footer.pie a:hover{color:var(--hielo)}
footer.pie .legal{margin-top:18px;font-size:12.5px;color:rgba(255,255,255,.35)}

@media(max-width:820px){
  .marco{padding:0 22px}
  .portada{padding:52px 0 46px}
  .portada h1{font-size:38px;max-width:none}
  .portada .lede{font-size:17px}
  h2{font-size:26px}
  .tldr p{font-size:17px}
  .top nav{display:none}
  ol.pasos li{padding-left:44px}
}