/* Calculadora de eficiencia — CSS portado del sitio original.
   Shim: mapea las variables del sistema viejo a los tokens 2.0 (scoped a .calc-section). */
.calc-section{
  --rosso:var(--accent); --rosso-l:var(--accent-hover); --rosso-d:#9B0C22;
  --rosso-g:var(--accent-glow); --rosso-s:var(--accent-tint);
  --nero:#0B0B0B; --nc:#141414; --ne:#1C1C1C; --ns:#232323;
  --bianco:#F5F5F5; --bp:#FFFFFF; --brd:#2A2A2A;
  --g300:#BFBFBF; --g400:#A6A6A6; --g500:#8C8C8C; --g600:#6E6E6E; --g700:#4D4D4D; --g900:#2A2A2A;
  --gr:linear-gradient(135deg,#C8102E,#E01535);
  color:var(--text-on-dark);
}
.calc-section .sec-in{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--sp-3)}
.calc-section{background:linear-gradient(135deg,#0B0B0B 0%,#1a0a0e 100%);position:relative}
.calc-section::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--gr)}

/* EXPLICADOR DE USO · 3 pasos visuales antes de la calculadora */
.calc-howto{max-width:980px;margin:2.2rem auto 0;background:linear-gradient(135deg,rgba(200,16,46,.06) 0%,rgba(255,255,255,.02) 100%);border:1px solid var(--brd);border-radius:12px;padding:1.8rem 1.8rem 1.5rem}
.calc-howto-head{text-align:center;margin-bottom:1.4rem}
.calc-howto-tag{display:inline-block;font-family:'Barlow Condensed',sans-serif;font-size:.72rem;font-weight:700;letter-spacing:2.2px;text-transform:uppercase;color:var(--rosso-l);background:var(--rosso-s);padding:.32rem .85rem;border:1px solid var(--rosso-g);border-radius:2px;margin-bottom:.7rem}
.calc-howto-head h3{font-family:'Bebas Neue',sans-serif;font-size:1.55rem;letter-spacing:2.5px;color:var(--bp);margin:.2rem 0 .5rem}
.calc-howto-head p{color:var(--g400);font-size:.9rem;line-height:1.6;max-width:640px;margin:0 auto}
.calc-howto-head p strong{color:var(--bianco)}
.calc-howto-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:1.2rem}
.calc-howto-step{display:flex;gap:.9rem;background:var(--nc);border:1px solid var(--g800);border-radius:10px;padding:1rem 1.1rem;transition:border-color .25s,transform .25s}
.calc-howto-step:hover{border-color:var(--rosso);transform:translateY(-2px)}
.calc-howto-num{flex-shrink:0;width:38px;height:38px;border-radius:50%;background:var(--rosso);color:#fff;font-family:'Bebas Neue',sans-serif;font-size:1.3rem;letter-spacing:1px;display:flex;align-items:center;justify-content:center;line-height:1}
.calc-howto-body{flex:1;min-width:0}
.calc-howto-body h4{font-family:'Barlow Condensed',sans-serif;font-size:1rem;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--bp);margin:0 0 .35rem;line-height:1.2}
.calc-howto-body p{color:var(--g300);font-size:.85rem;line-height:1.55;margin:0 0 .55rem}
.calc-howto-hint{display:inline-block;font-family:'Barlow Condensed',sans-serif;font-size:.7rem;font-weight:600;letter-spacing:1.2px;text-transform:uppercase;color:var(--g400);background:rgba(255,255,255,.04);border:1px solid var(--g800);padding:.22rem .5rem;border-radius:2px}
.calc-howto-foot{font-size:.78rem;color:var(--g500);text-align:center;margin:1.2rem 0 0;line-height:1.55}
@media (max-width:760px){
  .calc-howto-grid{grid-template-columns:1fr}
  .calc-howto{padding:1.4rem 1.2rem}
}

.calc-card{max-width:980px;margin:1.4rem auto 0;background:var(--ne);border:1px solid var(--brd);border-radius:12px;padding:2.5rem;box-shadow:0 30px 80px rgba(0,0,0,.5)}
.calc-steps{display:flex;justify-content:center;margin-bottom:2rem;gap:.5rem;flex-wrap:wrap}
.calc-step{display:flex;align-items:center;gap:.6rem;padding:.5rem 1rem;background:var(--nc);border:1px solid var(--brd);border-radius:30px;font-family:'Barlow Condensed',sans-serif;font-size:.78rem;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;color:var(--g500);transition:all .3s}
.calc-step .num{width:24px;height:24px;border-radius:50%;background:var(--g800);color:var(--g400);display:flex;align-items:center;justify-content:center;font-size:.78rem;font-weight:700}
.calc-step.active{background:var(--rosso);border-color:var(--rosso);color:var(--bp)}
.calc-step.active .num{background:var(--bp);color:var(--rosso)}
.calc-step.done{background:rgba(46,160,67,.15);border-color:rgba(46,160,67,.4);color:#7ee787}
.calc-step.done .num{background:#2ea043;color:var(--bp)}
.calc-pane{display:none}
.calc-pane.active{display:block;animation:fadeIn .35s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.calc-pane h3{font-family:'Bebas Neue',sans-serif;font-size:1.6rem;letter-spacing:2.5px;color:var(--bp);margin-bottom:.5rem;text-align:center}
.calc-pane p.sub{color:var(--g400);text-align:center;margin-bottom:1.8rem;font-size:.95rem}
.calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem;margin-bottom:1.5rem}
.calc-grid .full{grid-column:1/-1}
@media (max-width:640px){.calc-grid{grid-template-columns:1fr}}
.calc-actions{display:flex;justify-content:space-between;gap:1rem;margin-top:1.5rem;flex-wrap:wrap}
.calc-actions .btn{flex:1;min-width:140px;justify-content:center}
/* Comparativa visual antes/después */
.calc-compare{margin-top:1.8rem;padding:1.5rem;background:linear-gradient(135deg,rgba(255,255,255,.02),rgba(200,16,46,.04));border:1px solid var(--brd);border-radius:10px}
.calc-compare-row{display:grid;grid-template-columns:200px 1fr 180px;gap:1rem;align-items:center;margin-bottom:.85rem}
.calc-compare-lbl{font-family:'Barlow Condensed',sans-serif;font-size:.85rem;font-weight:600;letter-spacing:.5px;color:var(--g300);display:flex;align-items:center;gap:.5rem}
.calc-compare-lbl .dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}
.calc-compare-lbl .dot-red{background:#E0142D}
.calc-compare-lbl .dot-green{background:#22C55E}
.calc-compare-bar-wrap{height:34px;background:rgba(255,255,255,.04);border-radius:6px;overflow:hidden;position:relative}
.calc-compare-bar{height:100%;border-radius:6px;transition:width 1.2s cubic-bezier(.4,0,.2,1)}
.calc-compare-bar.bar-red{background:linear-gradient(90deg,#9B0C22,#E0142D)}
.calc-compare-bar.bar-green{background:linear-gradient(90deg,#15803D,#22C55E)}
.calc-compare-val{font-family:'Bebas Neue',sans-serif;font-size:1.45rem;letter-spacing:1.5px;text-align:right}
.calc-compare-val.red{color:#FF8A9F}
.calc-compare-val.green{color:#86EFAC}
.calc-compare-savings{margin-top:1.2rem;padding-top:1.1rem;border-top:1px dashed rgba(255,255,255,.1);display:flex;align-items:baseline;gap:.7rem;justify-content:center;flex-wrap:wrap;font-family:'Barlow Condensed',sans-serif;letter-spacing:1px}
.calc-compare-savings span{color:var(--g400);font-size:.95rem;text-transform:uppercase;font-weight:600}
.calc-compare-savings strong{font-family:'Bebas Neue',sans-serif;font-size:2.4rem;color:#22C55E;letter-spacing:2px}
.calc-compare-savings .pct{color:var(--g500);font-size:.85rem}
@media(max-width:720px){.calc-compare-row{grid-template-columns:1fr;gap:.4rem}.calc-compare-bar-wrap{height:24px}.calc-compare-val{text-align:left;font-size:1.2rem}.calc-compare-savings strong{font-size:1.9rem}}

/* Equipo recomendado · cabecera */
.calc-rec-head{margin-bottom:1rem}
.calc-rec-tag{display:inline-block;font-family:'Barlow Condensed',sans-serif;font-size:.7rem;font-weight:700;letter-spacing:1.6px;text-transform:uppercase;color:var(--rosso-l);background:var(--rosso-s);padding:.3rem .8rem;border-radius:3px;margin-bottom:.55rem}
.calc-rec-head h4{font-family:'Bebas Neue',sans-serif;font-size:1.45rem;letter-spacing:2px;color:var(--bp);margin:0}
.calc-rec-note{margin-top:.85rem;padding-top:.85rem;border-top:1px dashed rgba(255,255,255,.08);font-size:.88rem;color:var(--g400);line-height:1.65}
.calc-rec-note strong{color:var(--rosso-l)}

/* CTAs jerarquizados post-resultado */
.calc-ctas{display:grid;gap:.85rem;margin-top:1.6rem}
.calc-cta{display:grid;grid-template-columns:auto 1fr;gap:1rem;align-items:center;padding:1.1rem 1.3rem;border-radius:8px;text-decoration:none;border:1px solid transparent;transition:transform .25s,border-color .25s,background .25s,box-shadow .25s;cursor:pointer}
.calc-cta:hover,.calc-cta:focus-visible{transform:translateX(4px);outline:none}
.calc-cta .cta-ico{width:48px;height:48px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:1.6rem;flex-shrink:0}
.calc-cta .cta-title{font-family:'Barlow Condensed',sans-serif;font-size:1.05rem;font-weight:700;letter-spacing:.6px;text-transform:uppercase;line-height:1.15}
.calc-cta .cta-sub{font-size:.82rem;color:var(--g400);margin-top:.2rem;line-height:1.45}
.calc-cta-primary{background:linear-gradient(135deg,#C8102E 0%,#9B0C22 100%);color:var(--bp);box-shadow:0 8px 24px rgba(200,16,46,.3)}
.calc-cta-primary .cta-ico{background:rgba(255,255,255,.18)}
.calc-cta-primary .cta-sub{color:rgba(255,255,255,.85)}
.calc-cta-primary:hover{box-shadow:0 12px 32px rgba(200,16,46,.45);transform:translateX(4px) translateY(-2px)}
.calc-cta-secondary{background:var(--nc);color:var(--bp);border-color:var(--brd)}
.calc-cta-secondary .cta-ico{background:var(--rosso-s);color:var(--rosso-l)}
.calc-cta-secondary:hover{border-color:var(--rosso);background:var(--ne)}
.calc-cta-tertiary{background:transparent;color:var(--g300);border-color:rgba(37,211,102,.35)}
.calc-cta-tertiary .cta-ico{background:rgba(37,211,102,.12);color:#25D366}
.calc-cta-tertiary:hover{border-color:#25D366;background:rgba(37,211,102,.06);color:var(--bp)}
@media(max-width:540px){.calc-cta{padding:.9rem 1rem;grid-template-columns:auto 1fr}.calc-cta .cta-ico{width:40px;height:40px;font-size:1.3rem}.calc-cta .cta-title{font-size:.95rem}}

.calc-power-input{display:grid;grid-template-columns:1fr auto;gap:.6rem;align-items:stretch}
.calc-power-input input{min-width:0}
.calc-power-toggle{align-self:stretch}
.calc-power-toggle label{padding:.55rem .85rem;font-size:.78rem;letter-spacing:1.2px}
@media (max-width:520px){.calc-power-input{grid-template-columns:1fr;gap:.5rem}}
.calc-pill{display:inline-flex;flex-wrap:wrap;gap:.4rem}
.calc-pill input[type=radio]{position:absolute;opacity:0;pointer-events:none}
.calc-pill label{display:inline-flex;align-items:center;padding:.6rem 1rem;background:var(--nc);border:1px solid var(--g800);border-radius:6px;font-family:'Barlow Condensed',sans-serif;font-size:.85rem;font-weight:600;letter-spacing:1px;text-transform:uppercase;color:var(--g300);cursor:pointer;transition:all .2s}
.calc-pill input[type=radio]:checked + label{background:var(--rosso-s);border-color:var(--rosso);color:var(--rosso-l)}
.calc-pill label:hover{border-color:var(--rosso-g)}

/* RESULTADOS CALCULADORA */
.calc-results{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;margin-bottom:1.5rem}
.calc-result{background:linear-gradient(135deg,var(--nc),var(--ne));border:1px solid var(--brd);border-left:4px solid var(--rosso);border-radius:8px;padding:1.4rem}
.calc-result .lbl{font-family:'Barlow Condensed',sans-serif;font-size:.75rem;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;color:var(--g400);margin-bottom:.4rem}
.calc-result .val{font-family:'Bebas Neue',sans-serif;font-size:2rem;letter-spacing:2px;color:var(--bp);line-height:1}
.calc-result .val.green{color:#7ee787}
.calc-result .val.red{color:#ff6b7a}
.calc-result .unit{font-family:'Barlow Condensed',sans-serif;font-size:.85rem;color:var(--g500);margin-top:.3rem}
.calc-rec{background:linear-gradient(135deg,rgba(200,16,46,.12),rgba(11,11,11,.4));border:1px solid var(--rosso-g);border-radius:10px;padding:1.5rem;margin-top:1rem}
.calc-rec h4{font-family:'Bebas Neue',sans-serif;font-size:1.3rem;letter-spacing:2px;color:var(--rosso-l);margin-bottom:.6rem}
.calc-rec p{color:var(--g300);font-size:.92rem;line-height:1.7}
.calc-rec .model{display:inline-block;background:var(--rosso);color:var(--bp);padding:.3rem .8rem;border-radius:3px;font-family:'Barlow Condensed',sans-serif;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;font-size:.85rem;margin:.5rem .3rem .5rem 0}
.calc-disclaimer{font-size:.78rem;color:var(--g500);margin-top:1.5rem;text-align:center;line-height:1.6}

/* Fix overflow: los radios de toggle (kW/HP, bar/MPa, CFM…) heredaban width:100%
   de .form-field input y desbordaban el viewport. Se ocultan (sr-only) — los labels
   .calc-pill actúan como toggles y el JS lee el radio :checked. */
.calc-section input[type="radio"],
.calc-section input[type="checkbox"]{
  position:absolute !important; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0;
}

/* ============================================================
   REDISEÑO 2.0 — desenredar la calculadora (feedback cliente)
   ============================================================ */
/* 1) Toggles de unidad como SEGMENTED CONTROL unificado (no botones rojos sueltos) */
.calc-section .calc-pill{display:inline-flex;gap:3px;background:var(--nc);border:1px solid var(--brd);
  border-radius:8px;padding:3px;flex-wrap:nowrap}
.calc-section .calc-pill label{padding:.5rem .8rem;background:transparent !important;border:0 !important;
  border-radius:5px;color:var(--g400);font-size:.8rem;font-weight:600;letter-spacing:.06em;
  white-space:nowrap;transition:background .18s,color .18s;box-shadow:none}
.calc-section .calc-pill label:hover{color:var(--bianco)}
.calc-section .calc-pill input:checked + label{background:var(--rosso) !important;color:#fff !important}

/* 2) Explicador "3 pasos" redundante con el stepper → fuera. Guía el stepper + los labels. */
.calc-section .calc-howto{display:none}

/* 3) Textos de ayuda discretos (eran densos y competían con los campos) */
.calc-section .hint{display:block;font-size:.72rem;color:var(--g500);margin-top:.35rem;line-height:1.45;max-width:46ch}

/* 4) Card y ritmo más limpios */
.calc-section .calc-card{padding:clamp(1.4rem,3vw,2.2rem);margin-top:0}
.calc-section .calc-grid{gap:1.4rem 1.2rem}
.calc-section .form-field > label{font-family:var(--font-head);font-weight:600;font-size:.8rem;
  text-transform:uppercase;letter-spacing:.06em;color:var(--g300);margin-bottom:.5rem;display:block}
/* Un poco más de aire entre el título de la página y la card */
.calc-page .sec-head{margin-bottom:.5rem}

/* Fix título calc: aire arriba (no pegarse al header sticky) + orden del encabezado */
.calc-section{padding-block:clamp(52px,6vw,88px) clamp(40px,5vw,64px)}
.calc-section .sec-head{max-width:840px;margin-bottom:var(--sp-4)}
.calc-section .sec-head .sec-kicker{display:inline-block;font-family:var(--font-head);font-weight:600;
  font-size:13px;text-transform:uppercase;letter-spacing:.12em;color:var(--rosso-l);margin-bottom:12px}
.calc-section .sec-head h2{font-size:var(--fs-h2);line-height:1.06;margin-bottom:14px;color:#fff}
.calc-section .sec-head > p{color:var(--g300);font-size:16px;line-height:1.65;max-width:66ch;margin:0}