/* sitio.css — base compartida de las páginas internas de www.voltiqapp.com
   (/guias/…, /calculadora-aportacion-cfe/, /calculadora-plazos-cfe/). La portada (index.html)
   lleva su propio CSS en línea; aquí se repiten SÓLO sus tokens y piezas comunes para que las
   páginas internas se vean de la misma casa. Si cambias un token en index.html, cámbialo aquí. */
:root{
  --bg:#071413; --bg2:#0a1e1f; --panel:#0e2627;
  --teal:#20808d; --teal-bright:#2bc2cf; --teal-deep:#0e5560;
  --cyan:#22d3ee;
  --ink:#e8f3f3; --muted:#9fc0c2; --faint:#6f9296;
  --glass:rgba(255,255,255,.045); --glass2:rgba(255,255,255,.06);
  --line:rgba(255,255,255,.09); --line2:rgba(255,255,255,.14);
  --ok:#10b981; --warn:#fbbf24; --bad:#fb5d72;
  --maxw:1160px; --read:760px;
  --display:"Sora","Corbel","Mulish",system-ui,sans-serif;
  --font:"Corbel","Mulish",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:var(--teal-bright)}
img{max-width:100%}
:focus-visible{outline:3px solid var(--teal-bright);outline-offset:3px;border-radius:6px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.read{max-width:var(--read);margin:0 auto;padding:0 24px}
h1,h2,h3{font-family:var(--display);line-height:1.12;letter-spacing:-.02em;color:#fff}
h1{font-size:clamp(2rem,4.6vw,3.1rem);font-weight:800}
h2{font-size:clamp(1.45rem,3vw,1.9rem);font-weight:800;margin:2.2em 0 .6em}
h3{font-size:1.15rem;font-weight:700;margin:1.6em 0 .4em}
p,li{color:var(--muted);font-size:1.05rem}
p{margin:.8em 0}
ul,ol{margin:.6em 0 .6em 1.3em}
li{margin:.3em 0}
strong,b{color:var(--ink)}
.gradtext{background:linear-gradient(100deg,#5eead4,var(--cyan) 55%,var(--teal-bright));-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{display:inline-block;font-size:.76rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--teal-bright);background:rgba(43,194,207,.10);border:1px solid rgba(43,194,207,.24);padding:6px 14px;border-radius:999px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 24px;border-radius:999px;font-weight:800;font-size:1rem;font-family:var(--font);cursor:pointer;border:0;text-decoration:none;transition:transform .16s ease,box-shadow .16s ease}
.btn-primary{background:linear-gradient(120deg,var(--cyan),var(--teal));color:#042a2e;box-shadow:0 10px 30px -8px rgba(43,194,207,.5)}
.btn-primary:hover{transform:translateY(-2px)}
.btn-ghost{background:var(--glass2);color:#fff;border:1px solid var(--line2)}
.glass{background:var(--glass);border:1px solid var(--line2);border-radius:18px}

/* Encabezado */
.hdr{position:sticky;top:0;z-index:50;background:rgba(7,20,19,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.hdr .nav{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:66px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand .mark{height:36px;width:auto}
.brand .wordmark{height:21px;width:auto}
.hdr nav{display:flex;align-items:center;gap:20px}
.hdr nav a{color:#cfe9ea;text-decoration:none;font-weight:700;font-size:.95rem}
.hdr nav a:hover{color:#fff}
.hdr nav .btn{padding:10px 18px;font-size:.92rem;color:#042a2e}
@media (max-width:720px){ .hdr nav a:not(.btn){display:none} .wrap,.read{padding:0 16px} }

/* Migas y contenido de guía */
.crumbs{font-size:.85rem;color:var(--faint);margin:28px 0 14px}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:#fff}
.guia-head{padding:8px 0 10px}
.guia-head .lead{font-size:1.15rem;color:#cfe3e4;margin-top:14px}
.guia-body{padding-bottom:40px}
.guia-body table{width:100%;border-collapse:collapse;margin:1em 0;font-size:.95rem;display:block;overflow-x:auto}
.guia-body th,.guia-body td{border:1px solid var(--line2);padding:9px 11px;text-align:left;color:var(--muted);vertical-align:top}
.guia-body th{color:#fff;background:rgba(43,194,207,.08)}
.nota{border-left:3px solid var(--teal-bright);background:rgba(43,194,207,.07);padding:12px 16px;border-radius:0 12px 12px 0;margin:1.2em 0}
.nota p{margin:.3em 0}
.fuente{font-size:.85rem;color:var(--faint)}
.cta-box{margin:2.4em 0;padding:24px;text-align:center}
.cta-box p{margin:.4em 0 1em}
.relacionadas{margin:2em 0}
.relacionadas ul{list-style:none;margin:0;display:grid;gap:10px}
.relacionadas a{display:block;padding:12px 16px;border:1px solid var(--line2);border-radius:12px;text-decoration:none;color:#e8f3f3;font-weight:700}
.relacionadas a:hover{border-color:var(--teal-bright)}

/* Pie */
.foot{border-top:1px solid var(--line);margin-top:40px;padding:36px 0 28px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:26px}
.foot-grid a{display:block;color:var(--muted);text-decoration:none;margin:6px 0;font-size:.95rem}
.foot-grid a:hover{color:#fff}
.foot-grid .tit{color:#fff;font-weight:700;margin-bottom:6px}
.foot-bottom{margin-top:26px;font-size:.82rem;color:var(--faint)}
@media (max-width:820px){ .foot-grid{grid-template-columns:1fr 1fr} }
@media (max-width:480px){ .foot-grid{grid-template-columns:1fr} }

/* Consentimiento (mismo criterio y misma cookie que la portada) */
#consent{position:fixed;left:16px;right:92px;bottom:20px;z-index:10000;max-width:640px;display:none;align-items:center;gap:14px;flex-wrap:wrap;padding:14px 16px;border-radius:14px;background:rgba(10,30,31,.97);border:1px solid var(--line2);box-shadow:0 12px 40px rgba(0,0,0,.45);font-size:.9rem;color:#cfe9ea}
#consent.on{display:flex}
#consent p{margin:0;flex:1 1 260px;font-size:.9rem}
#consent .acts{display:flex;gap:8px;flex:0 0 auto}
#consent button{font:inherit;font-weight:700;border-radius:10px;padding:8px 14px;cursor:pointer;border:1px solid rgba(255,255,255,.18);background:transparent;color:#cfe9ea}
#consent button.si{background:linear-gradient(120deg,var(--cyan),var(--teal));color:#042a2e;border:0}
@media (max-width:560px){#consent{right:16px;bottom:88px}}

/* WhatsApp flotante */
#waFloat{position:fixed;right:20px;bottom:20px;width:58px;height:58px;border-radius:50%;background:#25D366;color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 22px rgba(0,0,0,.38);z-index:9999;text-decoration:none}

/* Calculadoras de página propia */
.calc-page{padding:10px 0 40px}
.calc-card{padding:26px;margin:22px 0}
.field{margin-bottom:16px}
.field label{display:block;font-size:.74rem;font-weight:800;color:#bfe0e2;margin-bottom:6px;text-transform:uppercase;letter-spacing:.06em}
.field input,.field select{width:100%;padding:12px 14px;border:1px solid var(--line2);border-radius:12px;font-size:1.05rem;font-family:var(--font);color:#fff;background:rgba(255,255,255,.05);outline:none}
.field select option{color:#071413}
.field input:focus,.field select:focus{border-color:var(--teal-bright);box-shadow:0 0 0 3px rgba(43,194,207,.18)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (max-width:560px){ .grid2{grid-template-columns:1fr} }
.resultado{margin-top:10px;background:linear-gradient(135deg,rgba(34,211,238,.14),rgba(32,128,141,.16));border:1px solid var(--line2);border-radius:14px;padding:20px}
.resultado .grande{font-family:var(--display);font-size:2.3rem;font-weight:800;color:#fff;line-height:1.1;font-variant-numeric:tabular-nums}