/* ============================================================
   blog.css — Blog de FacturGestión (facturgestion.com/blog)
   Hereda los tokens de tokens.css (--ink, --text, --primary, …).
   Tipografías: Bricolage Grotesque (títulos) + Plus Jakarta Sans (texto).
   ============================================================ */

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:"Plus Jakarta Sans",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;
}
a{color:var(--primary);text-decoration:none}
img{max-width:100%;display:block}
.bwrap{max-width:1120px;margin:0 auto;padding:0 20px}

/* ── Nav (misma que la landing) ──────────────────────────── */
:root{ --max:1180px; }
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:14px 24px;border-radius:999px;font-weight:600;font-size:15.5px;transition:transform .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease}
.btn:hover{transform:translateY(-2px)}
.btn-pri{background:var(--primary);color:#fff;box-shadow:0 10px 24px rgba(37,99,235,.28)}
.btn-pri:hover{background:var(--primary-dark)}
.btn-sec{border:1px solid var(--line-2);color:var(--ink);background:var(--surface)}
.btn-sec:hover{border-color:var(--primary);color:var(--primary)}
.nav{position:sticky;top:0;z-index:100;padding:14px 16px}
.nav-in{max-width:var(--max);margin:0 auto;display:flex;align-items:center;gap:24px;padding:9px 9px 9px 18px;border-radius:999px;background:rgba(255,255,255,.82);backdrop-filter:blur(14px);border:1px solid var(--line);box-shadow:0 8px 30px rgba(15,23,42,.06)}
.logo{font-family:var(--display);font-weight:800;font-size:21px;letter-spacing:-.04em;display:flex;align-items:center;gap:9px;color:var(--ink)}
.logo img{height:26px;width:auto}
.logo span{color:var(--primary)}
.nav-links{display:flex;gap:22px;margin-left:auto;font-size:14.5px}
.nav-links a{color:var(--muted)}
.nav-links a:hover{color:var(--ink)}
.nav-links a.on{color:var(--ink);font-weight:600}
.nav-ingresar{font-size:14.5px;color:var(--muted);font-weight:600}
.nav-ingresar:hover{color:var(--primary)}
.nav .btn{padding:10px 18px;font-size:14px}
.nav-burger{display:none;flex-direction:column;gap:4px;margin-left:auto;padding:8px;background:none;border:0;cursor:pointer}
.nav-burger span{width:22px;height:2px;background:var(--ink);border-radius:2px}
.nav-mobile{display:none;position:fixed;top:70px;left:12px;right:12px;z-index:99;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:14px;box-shadow:0 20px 50px rgba(15,23,42,.14);flex-direction:column;gap:6px}
.nav-mobile.open{display:flex}
.nav-mobile a{padding:11px 14px;border-radius:10px;color:var(--ink);font-weight:500}
.nav-mobile a:hover{background:var(--surface-2)}
.nm-cta{display:flex;gap:10px;margin-top:6px}
.nm-cta .btn{flex:1}
@media(max-width:900px){
  .nav-links,.nav-ingresar{display:none}
  .nav-burger{display:flex}
  .nav .btn.nav-primary{display:none}
}

/* ── Hero ────────────────────────────────────────────────── */
.bhero{background:linear-gradient(180deg,var(--primary-soft),var(--bg));padding:54px 0 30px;border-bottom:1px solid var(--line)}
.bhero-eyebrow{display:inline-block;font-weight:700;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--primary)}
.bhero h1{font-family:"Bricolage Grotesque",sans-serif;font-weight:800;color:var(--ink);font-size:clamp(30px,5vw,46px);line-height:1.08;margin:.3em 0 .25em;text-wrap:balance;max-width:16ch}
.bhero p{font-size:19px;color:var(--text);max-width:60ch;margin:0}
.bchips{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}
.bchip{padding:7px 14px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--muted);font-weight:600;font-size:14px}
.bchip:hover{color:var(--ink);border-color:#cfe0f5}
.bchip.on{background:var(--ink);color:#fff;border-color:var(--ink)}

/* ── Índice ──────────────────────────────────────────────── */
.bmain{padding:34px 0 60px}
.bc-cat{display:inline-block;font-weight:700;font-size:12.5px;letter-spacing:.04em;text-transform:uppercase;color:var(--primary)}
.bc-meta{color:var(--muted);font-size:13.5px;font-weight:500}

.bfeat{display:grid;grid-template-columns:1.15fr 1fr;gap:0;background:var(--surface);border:1px solid var(--line);border-radius:20px;overflow:hidden;margin-bottom:34px;transition:transform .18s ease,box-shadow .18s ease}
.bfeat:hover{transform:translateY(-3px);box-shadow:0 20px 50px -24px rgba(15,23,42,.28)}
.bfeat-cover{min-height:260px;background:var(--primary-soft)}
.bfeat-cover img{width:100%;height:100%;object-fit:cover}
.bfeat-body{padding:30px 32px;display:flex;flex-direction:column;gap:10px;justify-content:center}
.bfeat-body h2{font-family:"Bricolage Grotesque",sans-serif;font-weight:800;color:var(--ink);font-size:clamp(22px,3vw,30px);line-height:1.12;margin:0;text-wrap:balance}
.bfeat-body p{margin:0;color:var(--text)}

.bgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.bcard{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:18px;overflow:hidden;transition:transform .18s ease,box-shadow .18s ease}
.bcard:hover{transform:translateY(-4px);box-shadow:0 18px 44px -26px rgba(15,23,42,.3)}
.bc-cover{aspect-ratio:16/9;background:var(--primary-soft)}
.bc-cover img{width:100%;height:100%;object-fit:cover}
.bc-nocover{display:flex;align-items:center;justify-content:center}
.bc-nocover span{font-family:"Bricolage Grotesque",sans-serif;font-weight:800;font-size:44px;color:#b9d2f3}
.bc-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.bc-body h3{font-family:"Bricolage Grotesque",sans-serif;font-weight:700;color:var(--ink);font-size:20px;line-height:1.18;margin:2px 0 0;text-wrap:balance}
.bc-body p{margin:0;color:var(--text);font-size:15px;flex:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

.bempty{text-align:center;padding:60px 20px;color:var(--muted)}
.bempty h2{font-family:"Bricolage Grotesque",sans-serif;color:var(--ink);font-size:26px;margin:0 0 8px}

/* ── Nota ────────────────────────────────────────────────── */
.bpost{padding:38px 0 10px}
.bpost-head{max-width:760px}
.bpreview{background:#fef3c7;color:#92400e;border:1px solid #fde68a;border-radius:10px;padding:8px 14px;font-weight:600;font-size:14px;margin-bottom:16px}
.bpost-head h1{font-family:"Bricolage Grotesque",sans-serif;font-weight:800;color:var(--ink);font-size:clamp(29px,5vw,44px);line-height:1.08;margin:.35em 0 .25em;text-wrap:balance}
.bpost-lead{font-size:20px;color:var(--text)}
.bpost-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;color:var(--muted);font-size:14.5px;font-weight:500;margin-top:14px}
.bpost-cover{max-width:960px;margin:26px auto 6px;border-radius:20px;overflow:hidden;border:1px solid var(--line)}
.bpost-cover img{width:100%;max-height:520px;object-fit:cover}

.bpost-body{max-width:720px;font-size:18.5px;line-height:1.78;color:#1f2b3d}
.bpost-body h2{font-family:"Bricolage Grotesque",sans-serif;font-weight:800;color:var(--ink);font-size:28px;line-height:1.2;margin:1.5em 0 .4em}
.bpost-body h3{font-family:"Bricolage Grotesque",sans-serif;font-weight:700;color:var(--ink);font-size:22px;margin:1.3em 0 .35em}
.bpost-body h4{font-weight:700;color:var(--ink);font-size:18px;margin:1.2em 0 .3em}
.bpost-body p{margin:0 0 1.15em}
.bpost-body a{text-decoration:underline;text-underline-offset:2px}
.bpost-body ul,.bpost-body ol{margin:0 0 1.15em;padding-left:1.3em}
.bpost-body li{margin:.3em 0}
.bpost-body img{border-radius:14px;border:1px solid var(--line);margin:1.2em 0}
.bpost-body blockquote{margin:1.3em 0;padding:4px 20px;border-left:4px solid var(--primary);background:var(--primary-soft);border-radius:0 12px 12px 0;color:var(--ink);font-size:19px}
.bpost-body blockquote p{margin:.5em 0}
.bpost-body code{background:#eef2f7;border:1px solid var(--line);border-radius:6px;padding:1px 6px;font-family:"DM Mono",ui-monospace,monospace;font-size:.88em}
.bpost-body pre{background:#0f172a;color:#e2e8f0;border-radius:14px;padding:18px 20px;overflow-x:auto;margin:1.3em 0}
.bpost-body pre code{background:none;border:0;color:inherit;padding:0}
.bpost-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.bpost-body h2:first-child,.bpost-body h3:first-child,.bpost-body p:first-child{margin-top:0}

/* CTA + relacionadas */
.bcta{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;background:linear-gradient(120deg,var(--primary),var(--accent));color:#fff;border-radius:22px;padding:30px 34px;margin:46px auto}
.bcta h3{font-family:"Bricolage Grotesque",sans-serif;font-weight:800;font-size:25px;margin:0 0 4px}
.bcta p{margin:0;opacity:.92}
.bcta-btn{background:#fff;color:var(--primary)!important;font-weight:700;padding:13px 24px;border-radius:999px;white-space:nowrap}
.bcta-btn:hover{transform:translateY(-2px)}
.brel{margin:46px auto 10px}
.brel h2{font-family:"Bricolage Grotesque",sans-serif;font-weight:800;color:var(--ink);font-size:26px;margin:0 0 18px}

/* ── Footer (mismo que la landing) ───────────────────────── */
footer{padding:56px 0 30px;border-top:1px solid var(--line);background:var(--surface);margin-top:40px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px}
.foot-brand .logo{margin-bottom:14px}
.foot-brand p{font-size:14px;color:var(--muted);max-width:38ch;margin:14px 0 16px}
.foot-contact{display:grid;gap:8px;font-size:14px}
.foot-contact a,.foot-contact span{display:flex;gap:9px;align-items:center;color:var(--text)}
.foot-contact a:hover{color:var(--primary)}
.foot-col h4{font-family:var(--display);font-size:15px;margin-bottom:12px;color:var(--ink)}
.foot-col a{display:block;font-size:14px;color:var(--muted);padding:5px 0}
.foot-col a:hover{color:var(--primary)}
.foot-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;margin-top:36px;padding-top:22px;border-top:1px solid var(--line);font-size:12.5px;color:var(--muted);font-family:var(--mono)}
.foot-bottom a{color:var(--muted)}
.fb-legal{display:flex;gap:18px}
.fb-legal a:hover{color:var(--primary)}
@media(max-width:860px){.foot-grid{grid-template-columns:1fr 1fr}.foot-brand{grid-column:span 2}}
@media(max-width:520px){.foot-grid{grid-template-columns:1fr}.foot-brand{grid-column:span 1}}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width:900px){
  .bgrid{grid-template-columns:repeat(2,1fr)}
  .bfeat{grid-template-columns:1fr}
  .bfeat-cover{min-height:200px}
}
@media (max-width:620px){
  body{font-size:16px}
  .bgrid{grid-template-columns:1fr}
  .bhero{padding:38px 0 22px}
  .bpost-body{font-size:17.5px}
  .bcta{padding:24px}
}