/* Estilos compartidos de las landing pages SEO (simulador-inversion, seguimiento-cartera,
   calculadora-interes-compuesto). Ligeros a propósito: cargan rápido y puntúan bien en
   Core Web Vitals. La app completa vive en /Simulador.html. */
:root{
  --bg:#F8FAFC;--card:#FFFFFF;--ink:#0F172A;--ink2:#475569;--ink3:#64748B;--line:#E2E8F0;
  --blue:#2563EB;--blue-d:#1D4ED8;--violet:#8B5CF6;--green:#059669;
  --grad:linear-gradient(90deg,#2563EB,#8B5CF6);
  --font-head:'Plus Jakarta Sans',system-ui,sans-serif;--font-body:'Plus Jakarta Sans',system-ui,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:17px;line-height:1.7}
a{color:var(--blue)}
img{max-width:100%;height:auto}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}

/* Cabecera */
.lp-top{background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.lp-top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
.lp-brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-family:var(--font-head);font-weight:800;font-size:19px}
.lp-brand img{width:34px;height:34px}
.lp-nav{display:flex;gap:22px;align-items:center}
.lp-nav a{color:var(--ink2);text-decoration:none;font-weight:600;font-size:15px}
.lp-nav a:hover,.lp-nav a[aria-current]{color:var(--blue)}
.lp-nav a.btn,.lp-nav a.btn:hover{color:#fff}
.lp-brand,.lp-nav a{white-space:nowrap}
@media(max-width:380px){.lp-brand{font-size:17px}.lp-nav .btn-sm{padding:8px 12px;font-size:13px}}
@media(max-width:760px){.lp-nav a:not(.btn){display:none}}

/* Botones */
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--blue);color:#fff;text-decoration:none;font-weight:700;
  padding:12px 22px;border-radius:12px;font-size:16px;border:0;cursor:pointer;box-shadow:0 6px 18px rgba(37,99,235,.25);transition:.15s}
.btn:hover{background:var(--blue-d);transform:translateY(-1px)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-ghost{background:#fff;color:var(--ink);border:1.5px solid var(--line);box-shadow:none}
.btn-ghost:hover{background:#F1F5F9}

/* Hero */
.lp-hero{padding:64px 0 40px}
.lp-crumbs{font-size:14px;color:var(--ink3);margin-bottom:14px}
.lp-crumbs a{color:var(--ink3)}
.lp-hero h1{font-family:var(--font-head);font-size:clamp(34px,5vw,54px);line-height:1.08;letter-spacing:-.03em;margin:0 0 18px;font-weight:800}
.lp-hero h1 span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.lp-lead{font-size:clamp(17px,1.8vw,20px);color:var(--ink2);max-width:720px;margin:0 0 28px}
.lp-ctas{display:flex;gap:12px;flex-wrap:wrap}
.lp-trust{display:flex;gap:18px;flex-wrap:wrap;margin-top:22px;font-size:14px;color:var(--ink3);font-weight:600}
.lp-trust b{color:var(--green)}

/* Secciones */
section{padding:36px 0}
h2{font-family:var(--font-head);font-size:clamp(26px,3vw,34px);letter-spacing:-.02em;line-height:1.2;margin:0 0 16px}
h3{font-family:var(--font-head);font-size:19px;margin:0 0 6px}
.lp-prose{max-width:760px}
.lp-prose p{margin:0 0 16px;color:var(--ink2)}
.lp-prose ul,.lp-prose ol{color:var(--ink2);padding-left:22px}
.lp-prose li{margin-bottom:8px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px}
.card p{margin:0;color:var(--ink2);font-size:15.5px}
.card .ic{font-size:26px;margin-bottom:10px}
.steps{counter-reset:s;list-style:none;padding:0;display:grid;gap:14px}
.steps li{counter-increment:s;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 18px 18px 64px;position:relative;color:var(--ink2)}
.steps li::before{content:counter(s);position:absolute;left:18px;top:16px;width:32px;height:32px;border-radius:10px;background:var(--grad);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center}
.steps strong{color:var(--ink)}

/* Tabla */
.tbl{width:100%;border-collapse:collapse;background:var(--card);border-radius:14px;overflow:hidden;border:1px solid var(--line);font-size:15px}
.tbl th,.tbl td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}
.tbl th{background:#F1F5F9;font-weight:700}
.tbl td.n,.tbl th.n{text-align:right;font-variant-numeric:tabular-nums}
.tbl-wrap{overflow-x:auto}

/* Calculadora */
.calc{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:26px;box-shadow:0 10px 30px rgba(15,23,42,.06)}
.calc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:22px}
.calc label{display:block;font-weight:700;font-size:14px;margin-bottom:6px}
.calc input{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;font:inherit;font-size:17px;background:#fff;color:var(--ink)}
.calc input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(37,99,235,.15)}
.calc-out{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}
.kpi{background:#F8FAFC;border:1px solid var(--line);border-radius:14px;padding:16px}
.kpi small{display:block;color:var(--ink3);font-weight:600;font-size:13px}
.kpi strong{font-family:var(--font-head);font-size:26px;font-variant-numeric:tabular-nums}
.kpi.hl{background:linear-gradient(135deg,rgba(37,99,235,.08),rgba(139,92,246,.08));border-color:rgba(37,99,235,.25)}
.calc-note{font-size:13px;color:var(--ink3);margin:14px 0 0}

/* FAQ */
.faq details{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 20px;margin-bottom:10px}
.faq summary{cursor:pointer;font-weight:700;font-size:17px;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';float:right;color:var(--blue);font-size:22px;line-height:1}
.faq details[open] summary::after{content:'−'}
.faq details p{color:var(--ink2);margin:12px 0 0}

/* CTA final */
.lp-cta{background:linear-gradient(135deg,#1E3A8A,#4C1D95);color:#fff;border-radius:24px;padding:40px 32px;text-align:center;margin:20px 0 50px}
.lp-cta h2{color:#fff}
.lp-cta p{color:#CBD5E1;max-width:600px;margin:0 auto 22px}
.lp-cta .btn{background:#fff;color:#1E3A8A}

/* Pie */
.lp-foot{border-top:1px solid var(--line);padding:30px 0 40px;font-size:14px;color:var(--ink3)}
.lp-foot .wrap{display:flex;flex-wrap:wrap;gap:18px 30px;justify-content:space-between}
.lp-foot nav{display:flex;flex-wrap:wrap;gap:10px 20px}
.lp-foot a{color:var(--ink2);text-decoration:none}
.lp-foot a:hover{color:var(--blue)}
.lp-disc{flex-basis:100%;font-size:13px}
.lp-foot-legal{flex-basis:100%}
.lp-linkbtn{background:none;border:0;padding:0;font:inherit;color:var(--ink2);cursor:pointer}
.lp-linkbtn:hover{color:var(--blue)}

/* Páginas legales */
.legal{max-width:780px;padding:48px 0 30px}
.legal h1{font-family:var(--font-head);font-size:clamp(30px,4vw,40px);letter-spacing:-.02em;line-height:1.15;margin:0 0 8px}
.legal .upd{color:var(--ink3);font-size:14px;margin:0 0 30px}
.legal h2{font-size:22px;margin:34px 0 10px}
.legal h3{margin:20px 0 6px}
.legal p,.legal li{color:var(--ink2)}
.legal ul{padding-left:22px}
.legal .tbl{font-size:14px}
.legal mark{background:#FEF3C7;color:#92400E;padding:1px 5px;border-radius:5px;font-weight:700}
.legal .box{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:6px 20px;margin:0 0 10px}
.legal .box p{margin:12px 0}