:root{
  --navy:#152A44; --blue:#26579C; --gold:#D4AF37; --silver:#E1E3E5;
  --ink:#333333; --muted:#667085; --bg:#F4F6F8; --white:#fff;
  --green:#178A55; --red:#B42318;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink)}
a{color:inherit}
.topbar{position:sticky;top:0;z-index:50;background:rgba(21,42,68,.97);backdrop-filter:blur(12px);color:#fff;border-bottom:2px solid var(--gold)}
.topbar .inner{max-width:1100px;margin:auto;padding:12px 20px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{font-weight:900;letter-spacing:.02em}
.brand span{color:var(--gold)}
.badge{font-size:12px;font-weight:800;background:rgba(212,175,55,.14);border:1px solid rgba(212,175,55,.45);padding:7px 10px;border-radius:999px;color:#F8E8A7}
.wrap{max-width:1100px;margin:auto;padding:28px 20px 72px}
.hero{background:linear-gradient(135deg,var(--navy),#1D4777);color:#fff;border-radius:28px;padding:40px;box-shadow:0 22px 60px rgba(21,42,68,.17);display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:center}
.eyebrow{color:var(--gold);font-size:12px;font-weight:900;letter-spacing:.15em;text-transform:uppercase;margin-bottom:12px}
h1{font-size:clamp(34px,5vw,60px);line-height:1.02;letter-spacing:-.04em;margin:0 0 16px}
.hero p{font-size:18px;line-height:1.6;color:#E7EDF5;margin:0;max-width:720px}
.hero-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:20px;padding:22px}
.hero-card strong{display:block;color:var(--gold);margin-bottom:8px}
.hero-card p{font-size:14px}
.section{margin-top:26px;background:#fff;border-radius:24px;padding:28px;box-shadow:0 16px 45px rgba(0,0,0,.06);border:1px solid #E8EBEF}
.section h2{font-size:28px;color:var(--navy);margin:0 0 8px}
.section .lead{color:var(--muted);margin:0 0 22px;line-height:1.55}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:20px 0 24px}
.step{background:#F8FAFC;border:1px solid #E7EBF0;border-radius:16px;padding:16px}
.step .n{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:var(--navy);color:var(--gold);font-weight:900;margin-bottom:8px}
.step strong{display:block;color:var(--navy);font-size:14px;margin-bottom:4px}
.step span{font-size:12px;color:var(--muted)}
.form-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:14px}
.field{display:flex;flex-direction:column;gap:7px}
label{font-size:13px;font-weight:800;color:var(--navy)}
input,select{width:100%;border:1.5px solid #D7DDE5;border-radius:12px;padding:13px 14px;font-size:15px;background:#fff;color:var(--ink);outline:none}
input:focus,select:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(38,87,156,.1)}
.help{font-size:11px;color:#7A8493}
.factor-box{margin-top:14px;background:#F7F9FC;border:1px solid #E2E7EE;border-radius:16px;padding:16px;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.factor-box strong{color:var(--navy)}
.factor-pill{font-weight:900;color:var(--navy);background:#FFF8DA;border:1px solid rgba(212,175,55,.5);padding:9px 12px;border-radius:999px}
.manual{display:none;margin-top:14px;max-width:360px}
.manual.show{display:block}
.proc-meta{margin-top:16px;display:none;gap:10px;flex-wrap:wrap}
.proc-meta.show{display:flex}
.meta-pill{background:#EEF4FB;color:var(--blue);padding:8px 11px;border-radius:999px;font-size:12px;font-weight:800}
.calc{margin-top:22px;border-radius:20px;background:var(--navy);color:#fff;padding:24px}
.calc-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;margin-bottom:18px}
.calc-head h3{margin:0;font-size:22px}
.uvr{color:var(--gold);font-weight:900}
.formula{font-size:12px;color:#C7D1DE;margin-top:5px}
.results{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.result{display:flex;justify-content:space-between;gap:14px;padding:12px 14px;border-radius:12px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.08)}
.result span{font-size:13px;color:#D6DEE8}
.result b{font-size:15px}
.result.main{background:rgba(212,175,55,.12);border-color:rgba(212,175,55,.35)}
.result.main span,.result.main b{color:#fff}
.total{margin-top:12px;padding:16px;border-radius:14px;background:#fff;color:var(--navy);display:flex;justify-content:space-between;align-items:center;gap:10px}
.total b{font-size:24px}
.note{font-size:11px;color:#B9C5D3;line-height:1.5;margin-top:12px}
.compare{margin-top:18px;padding-top:18px;border-top:1px solid rgba(255,255,255,.13)}
.compare h4{margin:0 0 10px;color:#fff}
.compare-row{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:end}
.compare input{background:#fff}
.gap{margin-top:10px;font-size:14px;font-weight:800}
.gap.ok{color:#75D8A5}.gap.warn{color:#FFD37A}
.explainer{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.card{border:1px solid #E6EAF0;border-radius:18px;padding:20px;background:#FAFBFC}
.card h3{margin:0 0 8px;color:var(--navy);font-size:19px}
.card p{margin:0;color:var(--muted);line-height:1.55;font-size:14px}
.network{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:16px}
.network .option{border-radius:18px;padding:20px}
.network .in{background:#EEF8F3;border:1px solid #C9EADB}
.network .out{background:#FFF8E8;border:1px solid #F1DC9B}
.network h3{margin:0 0 8px;color:var(--navy)}
.network p{margin:0;color:#596473;line-height:1.55;font-size:14px}
.cta{margin-top:26px;background:linear-gradient(135deg,var(--navy),#214D7E);color:#fff;border-radius:26px;padding:30px;text-align:center}
.cta h2{color:#fff;margin:0 0 8px}
.cta p{margin:0 0 18px;color:#D8E1EC}
.btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;background:var(--gold);color:var(--navy);font-weight:900;padding:14px 20px;border-radius:999px}
.source{margin-top:18px;font-size:11px;color:#7C8795;line-height:1.55}
.warning{margin-top:14px;padding:13px 14px;border-radius:12px;background:#FFF4E5;border:1px solid #F6D39C;color:#7A4E00;font-size:12px;line-height:1.5}
@media(max-width:820px){
  .hero{grid-template-columns:1fr;padding:28px}
  .form-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .results{grid-template-columns:1fr}
  .explainer,.network{grid-template-columns:1fr}
}
@media(max-width:520px){
  .wrap{padding:16px 12px 56px}
  .hero,.section,.cta{border-radius:20px}
  .hero{padding:24px}
  .section{padding:20px}
  .topbar .inner{padding:10px 12px}
  .badge{display:none}
  .calc{padding:18px}
  .total b{font-size:20px}
}


/* PDF READER */
.pdf-reader{margin:22px 0;background:linear-gradient(180deg,#F8FAFC,#F3F6FA);border:1.5px solid #DDE4EC;border-radius:20px;padding:20px}
.pdf-reader-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:16px}
.pdf-reader-head h3{margin:0 0 5px;color:var(--navy);font-size:20px}
.pdf-reader-head p{margin:0;color:var(--muted);font-size:13px;line-height:1.5}
.local-pill{white-space:nowrap;background:#EAF7F0;border:1px solid #BFE4D0;color:#16633E;font-size:11px;font-weight:900;padding:7px 10px;border-radius:999px}
.upload-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.file-input{position:absolute;opacity:0;pointer-events:none;width:1px;height:1px}
.upload-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--blue);color:#fff;font-weight:900;border:0;border-radius:12px;padding:12px 16px;cursor:pointer;font-family:inherit;font-size:14px}
.upload-btn:hover{filter:brightness(.96)}
.file-name{font-size:12px;color:#687385;max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pdf-status{margin-top:14px;border-radius:14px;padding:14px;display:none;font-size:13px;line-height:1.5}
.pdf-status.show{display:block}
.pdf-status.loading{background:#EEF4FB;border:1px solid #C9DDF4;color:#254E7D}
.pdf-status.success{background:#EEF8F3;border:1px solid #C4E6D3;color:#175F3D}
.pdf-status.warning{background:#FFF8E8;border:1px solid #F0DA9B;color:#745100}
.pdf-detected{display:none;margin-top:14px;grid-template-columns:repeat(3,1fr);gap:10px}
.pdf-detected.show{display:grid}
.detected-item{background:#fff;border:1px solid #DFE5EC;border-radius:14px;padding:13px}
.detected-item span{display:block;font-size:10px;color:#7B8592;text-transform:uppercase;letter-spacing:.08em;font-weight:800;margin-bottom:4px}
.detected-item b{display:block;color:var(--navy);font-size:16px}
.pdf-actions{display:none;margin-top:14px;gap:10px;flex-wrap:wrap}
.pdf-actions.show{display:flex}
.use-btn{border:0;background:var(--gold);color:var(--navy);font-weight:900;padding:11px 15px;border-radius:12px;cursor:pointer;font-family:inherit}
.cancel-btn{border:1px solid #D5DBE3;background:#fff;color:#5F6978;font-weight:800;padding:11px 15px;border-radius:12px;cursor:pointer;font-family:inherit}
.privacy-note{margin-top:10px;font-size:11px;color:#7A8492;line-height:1.45}
@media(max-width:700px){
  .pdf-reader-head{flex-direction:column}
  .pdf-detected.show{grid-template-columns:1fr}
}

/* V2.2 SIMPLIFICADA */
.steps,.form-grid,.factor-box,.manual,.pdf-detected,.pdf-actions{display:none!important}
.pdf-reader{margin-top:20px}
.pdf-summary{display:none;margin-top:14px;align-items:center;gap:12px;background:#EEF8F3;border:1px solid #C4E6D3;border-radius:15px;padding:14px}
.pdf-summary.show{display:flex}
.summary-check{width:34px;height:34px;display:grid;place-items:center;border-radius:50%;background:#178A55;color:#fff;font-weight:900;font-size:18px;flex:0 0 auto}
.summary-copy{display:flex;flex-direction:column;gap:2px;min-width:0;flex:1}
.summary-copy strong{color:#165B3B;font-size:13px}
.summary-copy span{color:#152A44;font-weight:900;font-size:15px;white-space:normal}
.edit-btn{border:1px solid #C9D5DF;background:#fff;color:#536171;border-radius:10px;padding:9px 11px;font-weight:800;cursor:pointer;font-family:inherit;white-space:nowrap}
.manual-link{margin-top:12px;border:0;background:transparent;color:#26579C;font-weight:800;font-family:inherit;cursor:pointer;padding:4px 0;text-decoration:underline;text-underline-offset:3px}
.correction-panel{display:none;margin-top:14px;padding:16px;background:#fff;border:1px solid #DDE4EC;border-radius:14px}
.correction-panel.show{display:block}
.correction-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}
.procedure-block{margin-top:22px;padding-top:2px}
.procedure-label{font-size:19px;letter-spacing:-.01em}
.proc-meta{margin-top:12px}
.calc{margin-top:16px}
.compact-info .explainer{margin-top:12px}
#calcPanel{animation:fadeIn .22s ease}
@keyframes fadeIn{from{opacity:.2;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:700px){
  .pdf-summary.show{align-items:flex-start;flex-wrap:wrap}
  .edit-btn{margin-left:46px}
  .correction-grid{grid-template-columns:1fr}
}