/* Estilos compartidos de las páginas del blog. Mismos tokens que index.html. */
:root{
  --blue:#1F55E0; --blue-ink:#1946BC; --lime:#8CD62A; --lime-ink:#4E8A0C;
  --graphite:#272B2F; --graphite-2:#32373C;
  --bg:#F3F5F7; --surface:#FFFFFF; --fg:#15191E; --muted:#59616B; --line:#DDE2E8;
  --on-dark:#EEF1F4; --on-dark-muted:#AAB2BC; --wa:#1FAF5A;
  --f-display:"Big Shoulders Display","Arial Narrow",Impact,sans-serif;
  --f-body:"Barlow","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  --radius:6px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --blue:#5A86F2; --blue-ink:#8CA9F6; --lime:#9BE23A; --lime-ink:#9BE23A;
    --graphite:#1C1F22; --graphite-2:#262A2E;
    --bg:#121518; --surface:#1A1E22; --fg:#E9EDF1; --muted:#9BA4AE; --line:#2B3137;
    --wa:#2BC46A; color-scheme:dark;
  }
}
*{box-sizing:border-box}
body{background:var(--bg);color:var(--fg);font-family:var(--f-body);font-size:17px;line-height:1.6;margin:0}
a{color:inherit}
img{max-width:100%;display:block}
h1,h2,h3,h4{font-family:var(--f-display);line-height:.98;margin:0;text-wrap:balance;letter-spacing:.01em}
p{margin:0}
.wrap{max-width:1180px;margin-inline:auto;padding-inline:20px}
.eyebrow{font-family:var(--f-mono);font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;font-weight:600}
:focus-visible{outline:3px solid var(--lime);outline-offset:3px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;text-decoration:none;font-weight:700;font-size:1.02rem;padding:14px 20px;border-radius:var(--radius);border:2px solid transparent;font-family:var(--f-body);cursor:pointer;transition:transform .15s ease,filter .15s ease}
.btn:hover{transform:translateY(-1px);filter:brightness(1.07)}
.btn svg{width:21px;height:21px;flex:none}
.btn-call{background:var(--lime);color:#14200A}
.btn-wa{background:var(--wa);color:#fff}
.cta-row{display:flex;flex-wrap:wrap;gap:12px}

/* Cabecera */
.top{position:sticky;top:0;z-index:20;background:var(--graphite);color:var(--on-dark);border-bottom:3px solid var(--blue)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:8px}
.brand img{height:58px;width:auto;border-radius:4px}
.nav{display:flex;gap:26px;align-items:center}
.nav a{text-decoration:none;font-weight:600;font-size:.95rem;color:var(--on-dark-muted)}
.nav a:hover,.nav a[aria-current="page"]{color:var(--on-dark)}
.nav a[aria-current="page"]{box-shadow:inset 0 -2px 0 var(--lime)}
.nav .call{color:#14200A;background:var(--lime);padding:9px 16px;border-radius:var(--radius);font-weight:700;box-shadow:none}
.nav .call:hover{color:#14200A}
.menu-btn{display:none;background:none;border:1px solid rgba(255,255,255,.25);color:var(--on-dark);border-radius:var(--radius);padding:8px 12px;font:600 .9rem var(--f-body);cursor:pointer}
@media (max-width:860px){
  .menu-btn{display:block}
  .nav{position:absolute;left:0;right:0;top:100%;background:var(--graphite);flex-direction:column;align-items:stretch;gap:0;padding:8px 20px 18px;border-bottom:3px solid var(--blue)}
  .nav a{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.07)}
  .nav a[aria-current="page"]{box-shadow:none;color:var(--lime)}
  .nav .call{margin-top:12px;text-align:center;border:0}
  .nav:not(.open){display:none}
}

/* Encabezado del blog */
.blog-hero{background:var(--graphite);color:var(--on-dark);position:relative;overflow:hidden}
.blog-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(700px 360px at 90% 0%,rgba(31,85,224,.42),transparent 62%);pointer-events:none}
.blog-hero .wrap{position:relative;padding-block:56px 60px}
.blog-hero .eyebrow{color:var(--lime)}
.blog-hero h1{font-size:clamp(2.8rem,7vw,5.2rem);font-weight:900;text-transform:uppercase;margin-top:12px}
.blog-hero p{color:var(--on-dark-muted);margin-top:16px;max-width:40em;font-size:1.1rem}

/* Listado */
.listado{padding-block:56px 80px}
.grid-posts{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:10px;overflow:hidden;display:flex;flex-direction:column;text-decoration:none;transition:transform .2s ease,box-shadow .2s ease}
.card:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(0,0,0,.08)}
.card .ph{aspect-ratio:16/10;background:var(--graphite-2);overflow:hidden}
.card .ph img{width:100%;height:100%;object-fit:cover}
.card .ph.vacia{display:grid;place-items:center}
.card .ph.vacia img{width:46%;height:auto;object-fit:contain;opacity:.9}
.card .txt{padding:20px 22px 24px;display:grid;gap:10px;align-content:start;flex:1}
.meta{font-family:var(--f-mono);font-size:.76rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.card h2{font-size:1.75rem;font-weight:800;text-transform:uppercase}
.card p{color:var(--muted);font-size:.97rem}
.card .leer{margin-top:auto;font-weight:700;color:var(--blue);font-size:.95rem}
.card.destacado{grid-column:1/-1;flex-direction:row}
.card.destacado .ph{flex:1.25;aspect-ratio:auto;min-height:340px}
.card.destacado .txt{flex:1;padding:32px;align-content:center}
.card.destacado h2{font-size:clamp(2rem,3.6vw,2.8rem)}
@media (max-width:980px){.grid-posts{grid-template-columns:1fr 1fr}}
@media (max-width:720px){.card.destacado{flex-direction:column}.card.destacado .ph{min-height:0;aspect-ratio:16/10}.card.destacado .txt{padding:20px 22px 24px}}
@media (max-width:620px){.grid-posts{grid-template-columns:1fr}}

.paginacion{display:flex;justify-content:center;gap:8px;margin-top:40px;flex-wrap:wrap}
.paginacion a,.paginacion span{min-width:42px;padding:9px 14px;border:1px solid var(--line);border-radius:var(--radius);text-align:center;text-decoration:none;font-weight:600;background:var(--surface)}
.paginacion .actual{background:var(--blue);border-color:var(--blue);color:#fff}

.vacio{background:var(--surface);border:1px dashed var(--line);border-radius:10px;padding:48px 24px;text-align:center;color:var(--muted)}
.vacio h2{font-size:2rem;text-transform:uppercase;color:var(--fg);margin-bottom:10px}

/* Artículo */
.articulo-head{background:var(--graphite);color:var(--on-dark)}
.articulo-head .wrap{max-width:860px;padding-block:44px 40px}
.migas{font-size:.9rem;color:var(--on-dark-muted)}
.migas a{color:var(--on-dark-muted)}
.migas a:hover{color:var(--lime)}
.articulo-head h1{font-size:clamp(2.4rem,6vw,4.2rem);font-weight:900;text-transform:uppercase;margin-top:16px}
.articulo-head .meta{color:var(--on-dark-muted);margin-top:16px}
.portada{max-width:1000px;margin:-1px auto 0;padding-inline:20px}
.portada img{width:100%;border-radius:0 0 10px 10px;max-height:560px;object-fit:cover}
.cuerpo{max-width:740px;margin-inline:auto;padding:44px 20px 20px;font-size:1.12rem;line-height:1.75}
.cuerpo > * + *{margin-top:1.1em}
.cuerpo .resumen{font-size:1.25rem;color:var(--muted);line-height:1.6}
.cuerpo h2{font-size:2.2rem;font-weight:800;text-transform:uppercase;margin-top:1.6em}
.cuerpo h3{font-size:1.65rem;font-weight:800;text-transform:uppercase;margin-top:1.4em}
.cuerpo h4{font-size:1.3rem;font-weight:800;margin-top:1.2em}
.cuerpo ul,.cuerpo ol{padding-left:1.3em}
.cuerpo li + li{margin-top:.35em}
.cuerpo li::marker{color:var(--blue);font-weight:700}
.cuerpo a{color:var(--blue);text-underline-offset:3px}
.cuerpo img{border-radius:8px;margin-block:1.4em}
.cuerpo blockquote{margin-inline:0;padding:14px 20px;border-left:4px solid var(--lime);background:var(--surface);border-radius:0 8px 8px 0;color:var(--fg)}
.cuerpo hr{border:0;border-top:1px solid var(--line);margin-block:2em}

.cta-box{max-width:740px;margin:36px auto 0;padding-inline:20px}
.cta-box > div{background:var(--graphite);color:var(--on-dark);border-radius:12px;padding:28px;display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center;border-left:6px solid var(--lime)}
.cta-box h2{font-size:2rem;text-transform:uppercase}
.cta-box p{color:var(--on-dark-muted);margin-top:6px}
@media (max-width:620px){.cta-box > div{grid-template-columns:1fr}}

.relacionados{padding-block:64px 80px}
.relacionados h2.titulo{font-size:2.4rem;text-transform:uppercase;margin-bottom:24px}

/* Pie */
footer{background:var(--graphite);color:var(--on-dark-muted);font-size:.92rem;border-top:3px solid var(--blue)}
footer .wrap{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;padding-block:24px}
footer img{height:46px;width:auto;border-radius:4px}
footer a{text-decoration:none}
footer a:hover{color:var(--on-dark)}

.fabs{position:fixed;right:18px;bottom:calc(18px + env(safe-area-inset-bottom,0px));z-index:30;display:flex;flex-direction:column;gap:12px}
.fab{width:58px;height:58px;border-radius:50%;display:grid;place-items:center;box-shadow:0 8px 24px rgba(0,0,0,.28);text-decoration:none;transition:transform .15s ease}
.fab:hover{transform:scale(1.06)}
.fab svg{width:28px;height:28px}
.fab-wa{background:var(--wa);color:#fff}
.fab-call{background:var(--lime);color:#14200A}

@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}