/* ParoFácil — Theme 3 "Noche" (approved design) */
:root{
  --bg:#0d1526; --bg2:#131e33; --gold:#e0a83c; --gold-soft:rgba(224,168,60,.14);
  --ink:#f2ede4; --muted:#8b93a7; --line:rgba(139,147,167,.18); --field:#0b1220;
  --red:#c0564a;
}
[hidden]{display:none!important}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;line-height:1.65;font-size:17px}
::selection{background:var(--gold);color:#0d1526}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--gold);margin-bottom:18px}
h1,h2{font-weight:800;letter-spacing:-.03em;line-height:1.08}
h1{font-size:clamp(2.2rem,4.6vw,3.4rem);margin-bottom:18px}
h2{font-size:clamp(1.5rem,3vw,2.1rem);margin:0 0 14px}
h3{font-size:1.22rem;margin:30px 0 10px;letter-spacing:-.01em}
a{color:var(--gold)}
p{margin:0 0 16px}
.lead{color:var(--muted);font-size:19px;max-width:38rem}

/* header */
header{border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(13,21,38,.94);backdrop-filter:blur(8px);z-index:50}
.hd{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink)}
.brand b{font-size:20px;letter-spacing:-.02em}
.brand small{display:block;font-size:11px;color:var(--muted);font-weight:400;letter-spacing:.08em}
nav.main{display:flex;align-items:center}
nav.main a{color:var(--muted);text-decoration:none;font-size:15px;margin-left:26px;font-weight:600}
nav.main a:hover,nav.main a.active{color:var(--gold)}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:10px;color:var(--ink);font-size:22px;padding:6px 12px;cursor:pointer}

/* breadcrumbs */
.crumbs{font-size:13px;color:var(--muted);padding:18px 0 0}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--gold)}
.crumbs [aria-current]{color:var(--ink)}

/* hero */
.hero{padding:64px 0 56px;background:radial-gradient(900px 420px at 80% -60px,rgba(224,168,60,.10),transparent 60%)}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:start}
.hero h1 .hl{color:var(--gold)}
.hero p.lead{margin-bottom:0}
.trust{margin-top:26px;display:flex;gap:26px;flex-wrap:wrap}
.trust div{font-size:14px;color:var(--muted)}
.trust b{display:block;color:var(--ink);font-size:20px;letter-spacing:-.02em}

/* calculator card */
.calc{background:var(--bg2);border:1px solid rgba(224,168,60,.35);border-radius:20px;padding:30px;box-shadow:0 0 60px rgba(224,168,60,.07),0 24px 60px rgba(0,0,0,.45)}
.calc h2{font-size:22px;margin-bottom:6px;letter-spacing:-.02em}
.calc .sub{color:var(--muted);font-size:14px;margin-bottom:20px}
.field{margin-bottom:15px}
.field label{display:block;font-size:13px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.field input[type=text],.field input[type=number],.field input[type=email],.field select,.field textarea{width:100%;background:var(--field);border:1px solid #2a3550;color:var(--ink);border-radius:12px;padding:13px 15px;font-size:17px;font-weight:600;font-family:inherit}
.field textarea{font-weight:400;min-height:140px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(224,168,60,.18)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.meses{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:10px}
.meses input{background:var(--field);border:1px solid #2a3550;color:var(--ink);border-radius:10px;padding:10px;font-size:15px;width:100%;font-family:inherit}
.meses input:focus{outline:none;border-color:var(--gold)}
.mini{font-size:13px;color:var(--muted);margin-top:8px}
.btn{display:block;width:100%;background:var(--gold);color:#0d1526;border:none;border-radius:14px;padding:17px;font-size:18px;font-weight:800;letter-spacing:-.01em;cursor:pointer;margin-top:18px;transition:transform .12s,box-shadow .12s;text-decoration:none;text-align:center}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(224,168,60,.35)}
#resultado{margin-top:20px;display:none}
#resultado.visible{display:block;animation:fade .3s ease}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.res-total{background:var(--gold-soft);border:1px solid rgba(224,168,60,.4);border-radius:14px;padding:20px;text-align:center;margin-bottom:14px}
.res-total .num{font-size:42px;font-weight:800;color:var(--gold);letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.res-total .lbl{font-size:13px;text-transform:uppercase;letter-spacing:.14em;color:var(--muted)}
.res-row{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:11px 4px;border-bottom:1px solid var(--line);font-size:16px}
.res-row .num{font-weight:700;font-variant-numeric:tabular-nums;color:var(--ink);white-space:nowrap}
.res-row .pct{color:var(--gold);font-weight:800;margin-right:8px}
.nota{font-size:13px;color:var(--muted)}
.aviso{margin-top:14px;font-size:13px;color:var(--muted);background:rgba(139,147,167,.08);border-radius:10px;padding:12px 14px}
.error{background:rgba(192,86,74,.14);border:1px solid rgba(192,86,74,.5);border-radius:12px;padding:16px;font-size:15px}
.okbox{background:rgba(224,168,60,.10);border:1px solid rgba(224,168,60,.45);border-radius:12px;padding:16px;font-size:15px}

/* sections */
.section{padding:64px 0}
.section.alt{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stats .wrap{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding-top:34px;padding-bottom:34px}
.stat b{display:block;font-size:32px;font-weight:800;color:var(--gold);letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.stat span{font-size:14px;color:var(--muted)}
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:36px}
.step{border-top:2px solid var(--gold);padding-top:18px}
.step .n{font-size:13px;font-weight:800;color:var(--gold);letter-spacing:.18em}
.step h3{font-size:19px;margin:10px 0 8px}
.step p{font-size:15px;color:var(--muted)}

/* article */
.article{max-width:760px;padding:40px 0 64px}
.article p,.article li{color:#d9d4c7}
.article ul,.article ol{margin:0 0 18px 22px}
.article li{margin-bottom:8px}
.article .dateline{font-size:13px;color:var(--muted);margin-bottom:20px}
.article table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px}
.article th,.article td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article th{background:var(--bg2);color:var(--gold);font-size:13px;text-transform:uppercase;letter-spacing:.08em}
.article td{font-variant-numeric:tabular-nums}
.callout{border-left:3px solid var(--gold);background:var(--gold-soft);border-radius:0 12px 12px 0;padding:16px 18px;margin:24px 0;font-size:15px}
.callout strong{color:var(--gold)}
.toc{background:var(--bg2);border:1px solid var(--line);border-radius:14px;padding:20px 22px;margin:26px 0}
.toc b{display:block;font-size:13px;text-transform:uppercase;letter-spacing:.12em;color:var(--gold);margin-bottom:10px}
.toc a{display:block;color:var(--muted);text-decoration:none;font-size:15px;margin-bottom:6px}
.toc a:hover{color:var(--gold)}

/* faq */
.faq details{border-top:1px solid var(--line);padding:20px 4px}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{font-size:18px;font-weight:700;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--gold);font-size:26px;font-weight:400;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details .a-direct{color:var(--ink);font-weight:600;margin-top:12px}
.faq details p{color:var(--muted);margin-top:8px;font-size:16px}

/* cards grid (guides index links) */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:32px}
.card{background:var(--bg2);border:1px solid var(--line);border-radius:16px;padding:22px;text-decoration:none;display:block;transition:border-color .15s,transform .15s}
.card:hover{border-color:var(--gold);transform:translateY(-3px)}
.card h3{margin:0 0 8px;font-size:18px;color:var(--ink)}
.card p{font-size:14px;color:var(--muted);margin:0}
.card .tag{font-size:12px;color:var(--gold);text-transform:uppercase;letter-spacing:.14em;font-weight:700}

/* footer */
.cta-band{padding:72px 0;text-align:center;background:radial-gradient(700px 300px at 50% 0,rgba(224,168,60,.10),transparent 65%)}
.cta-band h2{font-size:clamp(1.9rem,4vw,2.9rem);margin-bottom:14px}
.cta-band h2 .hl{color:var(--gold)}
.cta-band .btn{max-width:420px;margin:26px auto 0}
footer{border-top:1px solid var(--line);padding:44px 0 28px;color:var(--muted);font-size:14px}
footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;margin-bottom:30px}
footer h4{color:var(--ink);font-size:13px;text-transform:uppercase;letter-spacing:.12em;margin-bottom:14px}
footer a{color:var(--muted);text-decoration:none;display:block;margin-bottom:8px;font-size:14px}
footer a:hover{color:var(--gold)}
.disclaimer{border:1px solid var(--line);border-radius:12px;padding:14px 18px;font-size:13px;margin-bottom:28px;background:rgba(139,147,167,.06)}
.legal{border-top:1px solid var(--line);padding-top:22px;font-size:13px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

@media(max-width:960px){
  .hero-grid{grid-template-columns:1fr}
  .step-grid{grid-template-columns:1fr 1fr}
  .stats .wrap{grid-template-columns:1fr;gap:16px}
  .cards{grid-template-columns:1fr 1fr}
  footer .cols{grid-template-columns:1fr 1fr}
  nav.main{display:none;position:absolute;top:100%;left:0;right:0;background:var(--bg2);flex-direction:column;align-items:stretch;padding:12px 24px 20px;border-bottom:1px solid var(--line)}
  nav.main.open{display:flex}
  nav.main a{margin:0;padding:12px 0;border-top:1px solid var(--line)}
  .burger{display:block}
  header .hd{position:relative}
}
@media(max-width:600px){
  body{font-size:16px}
  .step-grid,.cards,.grid2{grid-template-columns:1fr}
  .hero{padding:44px 0}
  .calc{padding:22px}
  footer .cols{grid-template-columns:1fr}
  .res-row{flex-direction:column;align-items:flex-start;gap:4px}
}
@media print{
  header nav,.burger,.cta-band,footer .cols{display:none}
  body{background:#fff;color:#000}
}