/* ── Nextum Control · Blog "Guías Nextum" ─────────────────────────────────────
   Base visual COPIADA de ../index.html (tokens y componentes compartidos).
   El CSS de la landing no se toca: este archivo solo lo usan las páginas /blog/.
   Nuevo aquí: hero de artículo, cuerpo editorial, caja de respuesta, FAQ,
   banda CTA, prev/next y etiqueta "Imagen ilustrativa". */

:root{
  --negro:#0A0D12; --negro-2:#0d121b; --azul:#102A43; --azul-2:#0c2338;
  --titanio:#58616D; --oro:#B79A5B; --oro-2:#d4bd86; --oro-ink:#8a6a2a; --rojo:#A61C2B; --rojo-2:#c0263a;
  --perla:#F5F3EE; --perla-70:rgba(245,243,238,.74); --perla-45:rgba(245,243,238,.5);
  --line:rgba(183,154,91,.22); --line-l:rgba(16,42,67,.14);
  --tinta:#232B36;
  --gap:clamp(2cm, 1.4cm + 2.6vw, 3.4cm);
  --ease:cubic-bezier(.16,1,.3,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px;-webkit-tap-highlight-color:transparent;background:var(--negro);color-scheme:dark}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{font-family:'Montserrat',system-ui,sans-serif;background:var(--negro);color:var(--perla);font-weight:400;line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
h1,h2,h3,.display{font-family:'Cinzel',Georgia,serif;font-weight:600;line-height:1.08;letter-spacing:.01em}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{width:min(1200px,92vw);margin-inline:auto}
.accent{color:var(--oro)}
section{padding:var(--gap) 0;position:relative}
.center{text-align:center}
.s-light{background:var(--perla);color:var(--negro)}
.s-azul{background:var(--azul);color:var(--perla)}

.kicker{display:inline-flex;align-items:center;gap:.7em;font-size:.72rem;font-weight:600;letter-spacing:.28em;text-transform:uppercase;color:var(--oro)}
.kicker::before{content:"";width:34px;height:1px;background:currentColor;opacity:.7}
.kicker.center::after{content:"";width:34px;height:1px;background:currentColor;opacity:.7}
.s-light .kicker{color:var(--oro-ink)}
.section-h{font-size:clamp(2.1rem,1.4rem + 2.9vw,3.6rem);text-transform:uppercase;margin:.35em 0 .5em}
.s-light .section-h{color:var(--azul)}.s-azul .section-h{color:var(--perla)}
.lead{font-size:clamp(1.1rem,1rem + .5vw,1.32rem);max-width:60ch;color:var(--perla-70)}
.s-light .lead{color:var(--titanio)}
.center .kicker{justify-content:center}.center .lead{margin-inline:auto}

.btn{display:inline-flex;align-items:center;gap:.6em;font-weight:600;font-size:.95rem;letter-spacing:.02em;padding:.95em 1.8em;border-radius:999px;cursor:pointer;border:1px solid transparent;transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s,color .25s,border-color .25s}
.btn svg{width:1.15em;height:1.15em}
.btn-red{background:var(--rojo);color:#fff;box-shadow:0 12px 34px -12px rgba(166,28,43,.7)}
.btn-red:hover{background:var(--rojo-2);transform:translateY(-3px);box-shadow:0 20px 44px -14px rgba(166,28,43,.85)}
.btn-ghost{background:transparent;color:var(--perla);border-color:rgba(245,243,238,.28)}
.btn-ghost:hover{transform:translateY(-3px);border-color:var(--oro);color:var(--oro)}
.s-light .btn-ghost{color:var(--azul);border-color:rgba(16,42,67,.28)}.s-light .btn-ghost:hover{border-color:var(--rojo);color:var(--rojo)}
.btn-wa{background:#1faf54;color:#fff;box-shadow:0 12px 34px -12px rgba(31,175,84,.7)}
.btn-wa:hover{transform:translateY(-3px)}

.nav{position:fixed;top:0;left:0;width:100%;z-index:60;transition:background .35s,backdrop-filter .35s,border-color .35s;border-bottom:1px solid transparent}
.nav.solid{background:rgba(8,10,15,.85);backdrop-filter:blur(14px);border-color:rgba(183,154,91,.16)}
.nav .row{display:flex;align-items:center;justify-content:space-between;padding:.9rem 0}
.nav .logo{height:38px;width:auto}
.nav .links{display:flex;align-items:center;gap:2rem}
.nav .links a{font-size:.9rem;font-weight:500;color:var(--perla-70);position:relative;transition:color .25s}
.nav .links a::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:1.5px;background:var(--oro);transition:width .3s var(--ease)}
.nav .links a:hover{color:var(--perla)}.nav .links a:hover::after{width:100%}
.nav .links a.actual{color:var(--perla)}.nav .links a.actual::after{width:100%}
.nav .cta-sm{padding:.62em 1.3em;font-size:.85rem}
.nav .burger{display:none;background:none;border:0;color:var(--perla);cursor:pointer}
@media(max-width:920px){.nav .links{display:none}.nav .burger{display:inline-flex}}

.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.8rem;margin-top:3.5rem}
@media(max-width:900px){.pgrid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.pgrid{grid-template-columns:1fr}}
.pcard{background:#fff;border:1px solid var(--line-l);border-radius:16px;overflow:hidden;display:flex;flex-direction:column;box-shadow:0 22px 50px -34px rgba(10,13,18,.5);transition:transform .4s var(--ease),box-shadow .4s}
.pcard:hover{transform:translateY(-8px);box-shadow:0 36px 72px -34px rgba(10,13,18,.6)}
.pcard .ph{position:relative;aspect-ratio:16/10;overflow:hidden}
.pcard .ph img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.pcard:hover .ph img{transform:scale(1.06)}
.pcard .body{padding:1.7rem 1.6rem;position:relative;display:flex;flex-direction:column;flex:1}
.pcard .cat{font-size:.68rem;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--oro-ink);margin-bottom:.55rem}
.pcard h3{font-size:1.24rem;color:var(--azul);text-transform:uppercase;margin-bottom:.5rem}
.pcard h2{font-size:1.24rem;color:var(--azul);text-transform:uppercase;margin-bottom:.5rem}
.pcard p{color:var(--titanio);font-size:.9rem}
.pcard .more{margin-top:auto;padding-top:1.1rem;display:inline-flex;gap:.45em;align-items:center;color:var(--rojo);font-weight:700;font-size:.78rem;letter-spacing:.1em;text-transform:uppercase}
.pcard .more svg{width:1.1em;height:1.1em;transition:transform .3s var(--ease)}
.pcard:hover .more svg{transform:translateX(5px)}
@media(min-width:901px){.pcard.destacada{grid-column:span 2}.pcard.destacada .ph{aspect-ratio:16/7}}

/* ── Hero del blog y de artículo ── */
.bhero{position:relative;overflow:hidden;display:flex;align-items:flex-end;min-height:52svh;padding:8.5rem 0 3.2rem}
.bhero .bg{position:absolute;inset:0;z-index:0}
.bhero .bg img{width:100%;height:100%;object-fit:cover}
.bhero .bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,10,15,.93) 0%,rgba(8,10,15,.78) 40%,rgba(8,10,15,.42) 75%,rgba(8,10,15,.3) 100%),linear-gradient(0deg,rgba(8,10,15,.92) 0%,rgba(8,10,15,.25) 55%,rgba(8,10,15,.35) 100%)}
.bhero .wrap{position:relative;z-index:2}
.bhero h1{font-size:clamp(2.1rem,1.3rem + 3.6vw,4rem);text-transform:uppercase;margin:.4em 0 .3em;max-width:19ch;color:var(--perla)}
.art-hero{min-height:60svh}
.crumbs{font-size:.78rem;color:var(--perla-70);letter-spacing:.04em;margin-bottom:1rem}
.crumbs a:hover{color:var(--oro)}
.crumbs span{color:var(--perla-45)}
.art-meta{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--perla-45);margin-top:.9rem}
.art-meta b{color:var(--oro);font-weight:600}
.tag-il{position:absolute;right:12px;bottom:12px;z-index:3;font-size:.62rem;letter-spacing:.12em;text-transform:uppercase;color:var(--perla-70);background:rgba(10,13,18,.55);padding:.35em .8em;border-radius:999px;backdrop-filter:blur(4px);pointer-events:none}
@media (prefers-reduced-motion:no-preference){
  .fade-up{animation:fadeUp .9s var(--ease) both}
  .fade-up.f2{animation-delay:.12s}.fade-up.f3{animation-delay:.24s}
  @keyframes fadeUp{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}
}

/* ── Cuerpo editorial ── */
.art-body{max-width:70ch;margin-inline:auto;font-size:1.05rem;line-height:1.75;color:var(--tinta)}
.art-body>p{margin-bottom:1.35em}
.art-body b,.art-body strong{color:var(--azul)}
.art-body a{color:var(--oro-ink);text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(138,106,42,.45);transition:color .2s}
.art-body a:hover{color:var(--rojo)}
.art-body h2{font-size:clamp(1.45rem,1.1rem + 1.4vw,2.1rem);color:var(--azul);text-transform:uppercase;line-height:1.18;margin:2.4em 0 .9em}
.art-body h2::before{content:"";display:block;width:38px;height:2px;background:var(--oro);margin-bottom:.6em}
.art-body ul{list-style:none;margin:0 0 1.5em;display:grid;gap:.75rem}
.art-body ul li{position:relative;padding-left:1.7rem}
.art-body ul li::before{content:"";position:absolute;left:0;top:.58em;width:9px;height:9px;background:var(--oro);border-radius:2px;transform:rotate(45deg)}
.answer{background:#fff;border:1px solid var(--line-l);border-left:3px solid var(--oro);border-radius:12px;padding:1.5rem 1.7rem;margin:2.2rem 0;font-size:1.1rem;line-height:1.65;color:var(--azul);box-shadow:0 22px 50px -38px rgba(10,13,18,.5)}
.art-fig{margin:2.6rem 0}
.art-fig img{width:100%;border-radius:14px;border:1px solid var(--line-l)}
.art-fig figcaption{color:var(--titanio);font-size:.8rem;margin-top:.65rem;letter-spacing:.02em}
.art-fig{position:relative}

/* ── FAQ (details nativos, cero JS) ── */
.faq{margin-top:1rem;border-top:1px solid var(--line-l)}
.faq details{border-bottom:1px solid var(--line-l)}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:1.05rem 0;font-weight:600;color:var(--azul);font-size:1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:'Cinzel',serif;font-size:1.25rem;color:var(--oro-ink);flex:none;line-height:1;transition:transform .3s var(--ease)}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 0 1.2rem;color:var(--tinta);font-size:.98rem;line-height:1.7;max-width:64ch}

/* ── Banda CTA ── */
.cta-band{text-align:center}
.cta-band h2{font-size:clamp(1.9rem,1.3rem + 2.6vw,3.2rem);text-transform:uppercase;color:var(--perla);max-width:20ch;margin:.35em auto .45em}
.cta-band .lead{margin:0 auto 1.9rem}
.cta-band .botones{display:flex;gap:1rem;flex-wrap:wrap;justify-content:center}
.cta-band .tel{margin-top:1.3rem;color:var(--perla-45);font-size:.9rem}
.cta-band .tel b{color:var(--oro)}

/* ── Prev / next y relacionados ── */
.prevnext{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;margin-top:3rem;padding-top:2rem;border-top:1px solid var(--line-l)}
.prevnext a{display:inline-flex;align-items:center;gap:.55em;font-size:.82rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--azul)}
.prevnext a:hover{color:var(--rojo)}
.prevnext svg{width:1.1em;height:1.1em}
.rel{margin-top:3.2rem}
.rel .rel-h{font-size:.72rem;font-weight:600;letter-spacing:.28em;text-transform:uppercase;color:var(--oro-ink);margin-bottom:1.4rem}
.rel .pgrid{margin-top:0;grid-template-columns:repeat(2,1fr)}
@media(max-width:600px){.rel .pgrid{grid-template-columns:1fr}}

footer{background:var(--negro);border-top:1px solid rgba(183,154,91,.14);padding:3rem 0 2rem}
footer .row{display:flex;justify-content:space-between;gap:2rem;flex-wrap:wrap;align-items:flex-start}
footer .logo{height:40px;width:auto;margin-bottom:1rem}
footer p{font-size:.85rem;color:var(--perla-45);max-width:38ch}
footer .fnav{display:flex;gap:1.5rem;flex-wrap:wrap}
footer .fnav a{font-size:.85rem;color:var(--perla-70)}footer .fnav a:hover{color:var(--oro)}
footer .social{display:flex;gap:.8rem;margin-top:1.2rem}
footer .social a{width:42px;height:42px;border-radius:50%;border:1px solid rgba(245,243,238,.24);display:inline-flex;align-items:center;justify-content:center;color:var(--perla-70);transition:transform .25s var(--ease),border-color .25s,color .25s}
footer .social a:hover{transform:translateY(-3px);border-color:var(--oro);color:var(--oro)}
footer .social svg{width:19px;height:19px}
footer .legal{margin-top:2rem;padding-top:1.4rem;border-top:1px solid rgba(255,255,255,.06);font-size:.78rem;color:var(--perla-45);display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}

.wa-float{position:fixed;right:1.2rem;bottom:1.2rem;z-index:70;width:56px;height:56px;border-radius:50%;background:#1faf54;display:grid;place-items:center;box-shadow:0 12px 30px -8px rgba(31,175,84,.6);transition:transform .3s var(--ease)}
.wa-float:hover{transform:scale(1.08)}.wa-float svg{width:30px;height:30px;color:#fff}

/* Chatbot (Conversabot): mismos overrides de marca que la landing */
#conversabot-root{bottom:calc(1.2rem + 70px)!important;right:1.2rem!important}
#conversabot-bubble{width:56px!important;height:56px!important;background:linear-gradient(180deg,var(--oro-2),var(--oro))!important;box-shadow:0 12px 30px -8px rgba(183,154,91,.55)!important;transition:transform .3s var(--ease)!important}
#conversabot-bubble:hover{transform:scale(1.08)!important}
#conversabot-bubble svg{stroke:#1a1406!important;width:26px!important;height:26px!important}
#conversabot-iframe-container{bottom:calc(1.2rem + 140px)!important;right:1.2rem!important;border-radius:18px!important;box-shadow:0 24px 60px -20px rgba(0,0,0,.55)!important;max-height:calc(100vh - 180px)!important}
@media(max-width:480px){
  #conversabot-root{bottom:calc(1.2rem + 68px)!important;right:1.2rem!important}
  #conversabot-iframe-container{right:0!important;bottom:0!important;width:100%!important;height:100%!important;max-height:100%!important;border-radius:0!important}
}