/* ==========================================================================
   BENJA.MARKETING — Sistema de diseño compartido
   Dirección: réplica de la identidad visual original del sitio — fondo casi
   negro, tipografía Outfit en mayúsculas para titulares, acentos índigo/
   violeta (marca), cian neón (enlaces y cifras) y rosa (etiquetas y CTA).
   Los mismos nombres de clase que usa todo el HTML del sitio; solo cambian
   los valores visuales, no la estructura.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800;900&display=swap');

/* ---- Tokens ------------------------------------------------------------- */
:root{
  /* Superficies */
  --ink-900:#050508;      /* fondo base, casi negro */
  --ink-850:#0a0a10;
  --ink-800:#0f172a;      /* superficie (cards) */
  --ink-700:#1e293b;      /* superficie elevada / bordes */
  --ink-600:#334155;

  /* Texto */
  --text:#f8fafc;
  --text-soft:#cbd5e1;
  --text-mute:#94a3b8;

  /* Acentos */
  --blue:#00f2ff;         /* cian neón: enlaces, foco, cifras */
  --blue-strong:#6366f1;  /* índigo: marca, botones principales, hover fuerte */
  --amber:#f43f5e;        /* rosa: etiquetas, badges, CTA de énfasis */
  --amber-ink:#ffffff;    /* texto sobre el rosa/índigo: blanco */

  /* Estados */
  --line:rgba(255,255,255,.10);
  --line-soft:rgba(255,255,255,.06);
  --ok:#57c98a;

  /* Tipografía */
  --font-display:'Outfit',system-ui,sans-serif;
  --font-body:'Outfit',system-ui,sans-serif;
  --font-mono:'Outfit',system-ui,sans-serif;

  /* Escala y ritmo */
  --wrap:1180px;
  --wrap-narrow:760px;
  --radius:24px;
  --radius-sm:12px;
  --sp:clamp(4rem,8vw,7rem);   /* separación vertical entre secciones */
  --shadow:0 20px 50px -20px rgba(0,0,0,.65);
}

/* ---- Reset --------------------------------------------------------------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
}
body{
  margin:0;
  font-family:var(--font-body);
  background:var(--ink-900);
  color:var(--text);
  line-height:1.65;
  font-size:1.02rem;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  position:relative;
}
/* Resplandor ambiental sutil, como el fondo del sitio original */
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(circle at 50% 0%,rgba(99,102,241,.08) 0%,transparent 55%);
}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;line-height:1.12;letter-spacing:-.015em;margin:0 0 .5em}
h1{text-transform:uppercase;font-weight:900;letter-spacing:-.01em}
p{margin:0 0 1rem}
ul{margin:0 0 1rem;padding-left:1.15rem}
li{margin:.3rem 0}
strong{color:#fff;font-weight:600}

/* ---- Layout -------------------------------------------------------------- */
.wrap{width:min(100% - 2.4rem,var(--wrap));margin-inline:auto}
.narrow{width:min(100% - 2.4rem,var(--wrap-narrow));margin-inline:auto}
section{padding-block:var(--sp)}
.eyebrow{
  font-family:var(--font-mono);
  font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;font-weight:800;
  color:var(--amber);margin:0 0 1rem;display:inline-flex;align-items:center;gap:.6rem;
}
.eyebrow::before{content:"";width:1.6rem;height:1px;background:var(--amber);opacity:.7}
.section-head{max-width:60ch;margin-bottom:2.6rem}
.section-head h2{font-size:clamp(1.8rem,3.6vw,2.7rem);text-transform:uppercase;font-weight:900}
.section-head p{color:var(--text-soft);font-size:1.06rem}
.lead{font-size:1.18rem;color:var(--text-soft)}

/* ---- Accesibilidad ------------------------------------------------------- */
:focus-visible{outline:3px solid var(--blue);outline-offset:3px;border-radius:4px}
.skip-link{
  position:absolute;left:-999px;top:0;z-index:200;
  background:var(--amber);color:var(--amber-ink);padding:.7rem 1.1rem;border-radius:0 0 8px 0;font-weight:600;
}
.skip-link:focus{left:0}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}

/* ---- Botones ------------------------------------------------------------- */
.btn{
  display:inline-flex;align-items:center;gap:.55rem;
  font-family:var(--font-body);font-weight:700;font-size:1rem;
  padding:.9rem 1.6rem;border-radius:var(--radius-sm);border:1px solid transparent;
  cursor:pointer;transition:transform .18s ease,background .18s ease,border-color .18s ease,box-shadow .18s ease;
  text-decoration:none;line-height:1.1;
}
.btn:hover{text-decoration:none;transform:translateY(-3px)}
.btn-primary{
  background:linear-gradient(135deg,#6366f1 0%,#a855f7 100%);color:#fff;
  box-shadow:0 8px 25px rgba(99,102,241,.35);
}
.btn-primary:hover{box-shadow:0 14px 36px rgba(99,102,241,.5)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--text-mute)}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue)}
.btn-wa{background:linear-gradient(90deg,#25d366,#128c7e);color:#fff;border-color:transparent}
.btn-wa:hover{box-shadow:0 10px 30px rgba(37,211,102,.4)}
.btn svg{width:1.05em;height:1.05em;flex:none}

/* ---- Cabecera / navegación ---------------------------------------------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(5,5,8,.92);backdrop-filter:blur(15px);-webkit-backdrop-filter:blur(15px);
  border-bottom:1px solid var(--line-soft);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding-block:.85rem}
.brand{
  display:flex;align-items:center;gap:.6rem;font-family:var(--font-display);font-weight:900;font-size:1.25rem;
  text-transform:uppercase;letter-spacing:.02em;
  background:linear-gradient(135deg,#6366f1 0%,#a855f7 100%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.brand:hover{text-decoration:none}
.brand .dot{width:.55rem;height:.55rem;border-radius:50%;background:var(--blue);box-shadow:0 0 0 4px rgba(0,242,255,.18);-webkit-text-fill-color:initial}
.nav-links{display:flex;align-items:center;gap:.3rem;list-style:none;margin:0;padding:0}
.nav-links a{color:var(--text-soft);padding:.5rem .7rem;border-radius:8px;font-size:.94rem;font-weight:500;transition:color .18s ease}
.nav-links a:hover{color:var(--blue);background:transparent;text-decoration:none}
.nav-cta{display:flex;align-items:center;gap:.6rem}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:9px;padding:.5rem;color:var(--text);cursor:pointer}
.nav-toggle svg{width:1.4rem;height:1.4rem}

@media (max-width:960px){
  .nav-links{
    position:fixed;inset:64px 0 auto 0;flex-direction:column;align-items:stretch;gap:.15rem;
    background:var(--ink-850);border-bottom:1px solid var(--line);padding:1rem 1.2rem 1.4rem;
    transform:translateY(-120%);transition:transform .3s ease;box-shadow:var(--shadow);
  }
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:.8rem .6rem;font-size:1.05rem}
  .nav-toggle{display:inline-flex}
  .nav-cta .btn-ghost{display:none}
}

/* ---- Componentes de contenido ------------------------------------------- */
.card{
  background:var(--ink-800);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.8rem;transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.card:hover{border-color:var(--blue-strong);transform:translateY(-6px);box-shadow:0 16px 34px rgba(0,0,0,.35)}
.card h3{font-size:1.2rem}
.card p:last-child{margin-bottom:0}
.grid{display:grid;gap:1.2rem}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media (max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}

.icon-badge{
  width:2.6rem;height:2.6rem;border-radius:12px;display:grid;place-items:center;
  background:rgba(0,242,255,.12);color:var(--blue);margin-bottom:1rem;flex:none;
}
.icon-badge svg{width:1.4rem;height:1.4rem}

/* Franja de confianza */
.trust-strip{border-block:1px solid var(--line-soft);background:var(--ink-850)}
.trust-strip .wrap{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem 2rem}
.trust-item{display:flex;gap:.85rem;align-items:flex-start}
.trust-item .icon-badge{margin-bottom:0}
.trust-item h3{font-size:1.02rem;margin-bottom:.15rem}
.trust-item p{font-size:.92rem;color:var(--text-mute);margin:0}
@media (max-width:820px){.trust-strip .wrap{grid-template-columns:1fr}}

/* Dato con fuente (estadísticas verificadas) */
.stat{background:var(--ink-800);border:1px solid var(--line);border-radius:var(--radius);padding:1.7rem}
.stat .num{font-family:var(--font-display);font-size:clamp(2.4rem,5vw,3.2rem);color:var(--blue);line-height:1;letter-spacing:-.02em;text-shadow:0 0 24px rgba(0,242,255,.25)}
.stat .num .u{color:var(--amber);text-shadow:none}
.stat p{color:var(--text-soft);margin:.7rem 0 .9rem;font-size:.98rem}
.stat .src{font-family:var(--font-mono);font-size:.72rem;color:var(--text-mute)}
.stat .src a{color:var(--text-mute);text-decoration:underline;text-underline-offset:2px}
.stat .src a:hover{color:var(--blue)}

/* Proceso (secuencia real -> numeración justificada) */
.steps{list-style:none;padding:0;margin:0;display:grid;gap:0}
.step{display:grid;grid-template-columns:auto 1fr;gap:1.3rem;padding:1.4rem 0;border-top:1px solid var(--line)}
.step:first-child{border-top:0}
.step .n{font-family:var(--font-mono);font-weight:700;font-size:.85rem;color:var(--amber);padding-top:.2rem}
.step h3{font-size:1.15rem;margin-bottom:.25rem}
.step p{color:var(--text-soft);margin:0}

/* FAQ */
.faq details{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--ink-800);margin-bottom:.7rem;overflow:hidden}
.faq summary{cursor:pointer;padding:1.1rem 1.3rem;font-family:var(--font-display);font-weight:700;font-size:1.05rem;list-style:none;display:flex;justify-content:space-between;gap:1rem;align-items:center;color:#fff;transition:color .18s ease}
.faq summary:hover{color:var(--blue)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--font-mono);color:var(--amber);font-size:1.4rem;flex:none;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details > div{padding:0 1.3rem 1.2rem;color:var(--text-soft)}
.faq details > div p:last-child{margin-bottom:0}

/* Breadcrumb */
.breadcrumb{font-family:var(--font-mono);font-size:.78rem;color:var(--text-mute);padding-top:1.6rem}
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:.5rem;padding:0;margin:0}
.breadcrumb li::after{content:"/";margin-left:.5rem;color:var(--ink-600)}
.breadcrumb li:last-child::after{content:""}
.breadcrumb a{color:var(--text-mute)}
.breadcrumb a:hover{color:var(--blue)}

/* Formularios */
.field{margin-bottom:1.1rem}
.field label{display:block;font-size:.9rem;color:var(--text-soft);margin-bottom:.4rem;font-weight:500}
.field .req{color:var(--amber)}
input,textarea,select{
  width:100%;font-family:var(--font-body);font-size:1rem;color:var(--text);
  background:var(--ink-850);border:1px solid var(--line);border-radius:var(--radius-sm);padding:.9rem 1rem;
}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(0,242,255,.18)}
textarea{min-height:120px;resize:vertical}
.field-error{color:#ff9b9b;font-size:.82rem;margin-top:.35rem;display:none}
.field.invalid input,.field.invalid textarea,.field.invalid select{border-color:#e26d6d}
.field.invalid .field-error{display:block}
.consent{display:flex;gap:.6rem;align-items:flex-start;font-size:.88rem;color:var(--text-soft)}
.consent input{width:auto;margin-top:.25rem}
.form-note{font-size:.85rem;color:var(--text-mute)}

/* Panel / cajas de apoyo */
.panel{background:var(--ink-800);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(1.4rem,3vw,2.2rem)}
.panel-amber{border:2px solid rgba(99,102,241,.4);background:linear-gradient(180deg,rgba(99,102,241,.1),transparent);box-shadow:0 0 40px rgba(99,102,241,.12)}
.tag{display:inline-block;font-family:var(--font-mono);font-size:.72rem;font-weight:700;letter-spacing:.03em;color:#fff;background:var(--blue-strong);border-radius:6px;padding:.3rem .75rem;margin:0 .3rem .3rem 0}

/* Placeholder de imagen (portafolio / foto pendiente) */
.ph{
  display:grid;place-items:center;text-align:center;gap:.4rem;
  background:repeating-linear-gradient(135deg,var(--ink-800),var(--ink-800) 12px,var(--ink-850) 12px,var(--ink-850) 24px);
  border:1px dashed var(--ink-600);border-radius:var(--radius-sm);color:var(--text-mute);
  font-family:var(--font-mono);font-size:.78rem;padding:2rem;aspect-ratio:16/10;
}

/* WhatsApp flotante */
.wa-float{
  position:fixed;right:1.1rem;bottom:1.1rem;z-index:90;
  width:3.5rem;height:3.5rem;border-radius:50%;background:#25d366;display:grid;place-items:center;
  box-shadow:0 12px 30px -8px rgba(37,211,102,.5);color:#fff;transition:transform .2s ease;
}
.wa-float:hover{transform:scale(1.1) rotate(8deg)}
.wa-float svg{width:1.9rem;height:1.9rem}

/* ---- Pie -----------------------------------------------------------------*/
.site-footer{border-top:1px solid var(--line);background:var(--ink-850);padding-block:3.2rem 2rem;font-size:.92rem}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:2rem}
.site-footer h4{font-size:.8rem;font-family:var(--font-mono);font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--text-mute);margin-bottom:1rem}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin:.45rem 0}
.site-footer a{color:var(--text-soft)}
.site-footer a:hover{color:var(--blue)}
.footer-bottom{border-top:1px solid var(--line-soft);margin-top:2.4rem;padding-top:1.4rem;color:var(--text-mute);font-size:.82rem;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}
@media (max-width:760px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.footer-grid{grid-template-columns:1fr}}

/* ---- Utilidades ---------------------------------------------------------- */
.center{text-align:center}
.mt-0{margin-top:0}.mb-0{margin-bottom:0}
.cta-row{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.6rem}
.muted{color:var(--text-mute)}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* Reveal al hacer scroll (respeta reduced-motion vía media query arriba) */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ---- Páginas de nicho: hero a dos columnas y listas con check ---- */
.hero-niche{display:grid;grid-template-columns:1.15fr .85fr;gap:2.6rem;align-items:center;padding-block:var(--sp)}
.hero-niche h1{font-size:clamp(2rem,4.4vw,3.3rem);line-height:1.08;margin:.3rem 0 1rem}
.check-list{list-style:none;padding:0;margin:.4rem 0 0;display:grid;gap:.7rem}
.check-list li{position:relative;padding-left:1.7rem;color:var(--text-soft);line-height:1.5}
.check-list li::before{content:"";position:absolute;left:0;top:.5em;width:.7rem;height:.7rem;border-radius:50%;background:var(--blue);opacity:.9;box-shadow:0 0 8px rgba(0,242,255,.5)}
@media (max-width:820px){.hero-niche{grid-template-columns:1fr;gap:1.8rem}}

/* ---- Artículos del blog ---- */
.article{max-width:72ch;margin:0 auto}
.article-header{max-width:72ch;margin:0 auto var(--sp-sm,2.2rem)}
.article-header h1{font-size:clamp(1.9rem,4.2vw,3rem);line-height:1.1;margin:.4rem 0 .8rem}
.article-meta{display:flex;flex-wrap:wrap;gap:.4rem 1.1rem;color:var(--text-mute);font-size:.9rem;font-family:var(--font-mono)}
.article-meta time{color:var(--text-mute)}
.toc{background:var(--ink-850);border:1px solid var(--line);border-radius:var(--radius-sm);padding:1.3rem 1.5rem;margin:0 0 2.4rem}
.toc h2{font-size:.8rem;text-transform:uppercase;letter-spacing:.1em;font-weight:800;color:var(--text-mute);font-family:var(--font-mono);margin:0 0 .8rem}
.toc ol{margin:0;padding-left:1.2rem;display:grid;gap:.45rem}
.toc a{color:var(--text-soft)}
.toc a:hover{color:var(--blue)}
.article-body h2{font-size:clamp(1.4rem,2.8vw,1.9rem);margin:2.4rem 0 .8rem;scroll-margin-top:90px;text-transform:none}
.article-body h3{font-size:1.15rem;margin:1.7rem 0 .5rem;scroll-margin-top:90px}
.article-body p{color:var(--text-soft);margin:0 0 1.1rem;line-height:1.72}
.article-body ul,.article-body ol{color:var(--text-soft);margin:0 0 1.2rem;padding-left:1.3rem;line-height:1.7}
.article-body li{margin-bottom:.5rem}
.article-body a{color:var(--blue);text-decoration:underline;text-underline-offset:2px}
.article-body strong{color:var(--text)}
.article-cta{background:var(--ink-850);border:1px solid var(--line);border-left:3px solid var(--amber);border-radius:var(--radius-sm);padding:1.4rem 1.6rem;margin:2.2rem 0}
.article-cta p{margin:0 0 1rem;color:var(--text-soft)}
.related{border-top:1px solid var(--line);margin-top:2.6rem;padding-top:1.8rem}
.related h2{font-size:1.1rem;margin:0 0 1rem;text-transform:none}
.related ul{list-style:none;padding:0;margin:0;display:grid;gap:.6rem}
.related a{color:var(--blue)}