/* =========================================================
   IMSO — Calculadora eléctrica (herramienta)
   Tokens alineados con /ups/ y el Dimensionador (consistencia)
   ========================================================= */
:root{
  --bg:#0F151C; --bg-alt:#151D26; --surface:#1A2430; --surface-2:#212D3A;
  --border:#2B3947; --border-soft:#22303D;
  --text:#EAF1F7; --text-muted:#9FB2C2; --text-dim:#66788A;
  --accent:#2FD8A8; --accent-dark:#1FAE86; --accent-soft:rgba(47,216,168,.12);
  --amber:#F2A93C; --amber-dark:#C6822A; --amber-soft:rgba(242,169,60,.12);
  --danger:#E5654E;
  --font-display:'Space Grotesk',sans-serif; --font-body:'Inter',sans-serif; --font-mono:'IBM Plex Mono',monospace;
  --radius-s:6px; --radius-m:10px; --radius-l:16px;
  --shadow-panel:0 20px 60px -20px rgba(0,0,0,.55);
  --header-h:66px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px);}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto;}*{transition-duration:.001ms!important;animation-duration:.001ms!important;}}
body.imso-tool{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;}
.imso-tool h1,.imso-tool h2,.imso-tool h3,.imso-tool h4{font-family:var(--font-display);font-weight:600;line-height:1.15;margin:0 0 .5em;letter-spacing:-.01em;}
.imso-tool h1{font-size:clamp(2rem,4vw,3rem);font-weight:700;}
.imso-tool h2{font-size:clamp(1.4rem,2.6vw,2rem);}
.imso-tool h3{font-size:1.1rem;}
.imso-tool p{margin:0 0 1em;color:var(--text-muted);}
.imso-tool a{color:inherit;text-decoration:none;}
.imso-tool ul{list-style:none;margin:0;padding:0;}
.imso-tool button{font:inherit;}
.imso-tool svg{display:block;max-width:100%;}
.imso-tool :focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px;}
.wrap-narrow{max-width:820px;}

.grid-overlay{position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.5;
  background-image:linear-gradient(var(--border-soft) 1px,transparent 1px),linear-gradient(90deg,var(--border-soft) 1px,transparent 1px);
  background-size:44px 44px;mask-image:radial-gradient(circle at 50% 0,#000,transparent 70%);}
main,.site-header,.site-footer{position:relative;z-index:1;}

.led{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:.5em;vertical-align:middle;}
.led-green{background:var(--accent);box-shadow:0 0 8px var(--accent);}
.led-amber{background:var(--amber);box-shadow:0 0 8px var(--amber);}
.led-lg{width:14px;height:14px;}
.eyebrow{font-family:var(--font-mono);font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;color:var(--text-muted);margin:0 0 1em;}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;padding:12px 22px;border-radius:var(--radius-s);
  font-weight:600;font-size:.95rem;border:1px solid transparent;cursor:pointer;transition:transform .12s,background .2s,border-color .2s;text-align:center;}
.btn:hover{transform:translateY(-1px);}
.btn-sm{padding:9px 15px;font-size:.86rem;}
.btn-block{width:100%;}
.btn-primary{background:var(--amber);color:#241a06;}
.btn-primary:hover{background:var(--amber-dark);}
.btn-outline{background:transparent;border-color:var(--border);color:var(--text);}
.btn-outline:hover{border-color:var(--accent);color:var(--accent);}
.btn-ghost{background:transparent;color:var(--text-muted);}
.btn-ghost:hover{color:var(--text);}
.btn-whatsapp{background:#1f7a52;color:#eafff4;}
.btn-whatsapp:hover{background:#1a6644;}

.site-header{position:sticky;top:0;height:var(--header-h);display:flex;align-items:center;
  background:rgba(15,21,28,.82);backdrop-filter:blur(10px);border-bottom:1px solid var(--border-soft);}
.header-inner{display:flex;align-items:center;justify-content:space-between;width:100%;}
.logo{display:flex;align-items:center;gap:.6em;font-family:var(--font-display);font-weight:700;}
.logo-mark{width:30px;height:30px;color:var(--text);}
.logo-text{display:flex;flex-direction:column;line-height:1;font-size:1.15rem;}
.logo-sub{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.12em;text-transform:uppercase;color:var(--text-dim);margin-top:3px;}
.header-actions{display:flex;align-items:center;gap:.6em;}

.hero{padding:48px 0 8px;}
.hero-sub{font-size:1.15rem;color:var(--text-muted);max-width:640px;}
.disclaimer{display:flex;gap:.7em;align-items:flex-start;background:var(--amber-soft);border:1px solid rgba(242,169,60,.35);
  border-radius:var(--radius-m);padding:14px 16px;margin-top:8px;}
.disclaimer p{margin:0;color:var(--text);font-size:.92rem;}
.disc-icon{color:var(--amber);font-size:1.1rem;line-height:1.3;flex:none;}
.disclaimer-hero{max-width:760px;}
.disclaimer-sm{background:var(--surface-2);border-color:var(--border);padding:11px 13px;}
.disclaimer-sm p{font-size:.82rem;color:var(--text-muted);}

.section{padding:34px 0;}
.section-alt{background:var(--bg-alt);border-top:1px solid var(--border-soft);border-bottom:1px solid var(--border-soft);}
.tool-grid{display:grid;grid-template-columns:1fr 360px;gap:26px;align-items:start;}
.tool-input{display:flex;flex-direction:column;gap:22px;}

.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-l);padding:22px;}
.card-head{display:flex;gap:14px;align-items:flex-start;margin-bottom:16px;}
.card-head h2{margin:0 0 .2em;}
.card-sub{margin:0;font-size:.88rem;color:var(--text-muted);}
.step-badge{flex:none;width:30px;height:30px;border-radius:50%;background:var(--accent-soft);color:var(--accent);
  display:flex;align-items:center;justify-content:center;font-family:var(--font-mono);font-weight:600;border:1px solid var(--accent-dark);}

.params{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.param{display:flex;flex-direction:column;gap:9px;}
.param-full{grid-column:1 / -1;}
.param-label{font-size:.88rem;color:var(--text);font-weight:500;display:flex;align-items:center;gap:.4em;}
.param-control{display:flex;align-items:center;gap:12px;}
.param-control input[type=range]{flex:1;accent-color:var(--accent);}
.param-out{font-family:var(--font-mono);font-weight:600;color:var(--accent);min-width:52px;text-align:right;
  background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-s);padding:4px 8px;font-size:.86rem;}
.param-input{background:var(--bg);border:1px solid var(--border);color:var(--text);border-radius:var(--radius-s);
  padding:11px 12px;font-size:1rem;font-family:inherit;width:100%;}
.param-input:focus{border-color:var(--accent);outline:none;}
.help{display:inline-flex;align-items:center;justify-content:center;width:16px;height:16px;border-radius:50%;
  background:var(--surface-2);border:1px solid var(--border);color:var(--text-dim);font-size:.7rem;cursor:help;position:relative;}
.help:hover::after{content:attr(data-tip);position:absolute;bottom:130%;left:50%;transform:translateX(-50%);
  width:240px;background:#05090d;border:1px solid var(--border);color:var(--text-muted);font-size:.76rem;line-height:1.4;
  padding:9px 11px;border-radius:var(--radius-s);z-index:5;box-shadow:var(--shadow-panel);font-weight:400;text-transform:none;letter-spacing:0;}
.field-hint{font-size:.8rem;color:var(--text-dim);margin:12px 0 0;font-family:var(--font-mono);}

/* Segmented control */
.seg{display:inline-flex;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-s);padding:3px;gap:3px;flex-wrap:wrap;}
.seg-opt{background:transparent;border:0;color:var(--text-muted);padding:8px 14px;border-radius:4px;cursor:pointer;font-size:.88rem;font-weight:500;transition:.15s;}
.seg-opt:hover{color:var(--text);}
.seg-opt.is-active{background:var(--accent-soft);color:var(--accent);}

/* Panel resultado */
.tool-result{position:sticky;top:calc(var(--header-h) + 16px);}
.result-card{background:linear-gradient(160deg,var(--surface-2),var(--surface));border:1px solid var(--border);
  border-radius:var(--radius-l);padding:22px;box-shadow:var(--shadow-panel);}
.result-eyebrow{font-family:var(--font-mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);margin:0 0 14px;}
.result-list{display:flex;flex-direction:column;gap:10px;margin-bottom:12px;}
.result-list li{display:flex;justify-content:space-between;align-items:baseline;padding:12px 14px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-m);}
.result-list li span{color:var(--text-muted);font-size:.9rem;}
.result-list li b{font-family:var(--font-display);font-size:1.5rem;font-weight:700;color:var(--accent);}
.result-list li b em{font-family:var(--font-mono);font-size:.8rem;color:var(--text-muted);font-style:normal;font-weight:500;margin-left:3px;}
.result-meta{font-family:var(--font-mono);font-size:.8rem;color:var(--text-dim);text-align:center;padding:6px 0 14px;border-bottom:1px dashed var(--border);margin-bottom:14px;}
.result-card .btn{margin-top:10px;}

/* Formulario */
.section-form h2{margin-bottom:.3em;}
.section-lead{font-size:1.05rem;color:var(--text-muted);}
.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:18px 0;}
.field{display:flex;flex-direction:column;gap:6px;}
.field-full{grid-column:1 / -1;display:flex;flex-direction:column;gap:6px;margin:4px 0 6px;}
.field>span{font-size:.86rem;color:var(--text);font-weight:500;}
.field em{color:var(--amber);font-style:normal;}
.field .opt{color:var(--text-dim);}
.field input,.field textarea{background:var(--surface);border:1px solid var(--border);color:var(--text);
  border-radius:var(--radius-s);padding:11px 12px;font-size:.92rem;font-family:inherit;}
.field input:focus,.field textarea:focus{border-color:var(--accent);outline:none;}

.summary-box{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-m);overflow:hidden;margin:8px 0 18px;}
.summary-head{background:var(--surface-2);padding:9px 14px;font-size:.78rem;font-family:var(--font-mono);text-transform:uppercase;
  letter-spacing:.05em;color:var(--text-muted);border-bottom:1px solid var(--border);}
.summary-pre{margin:0;padding:14px;font-family:var(--font-mono);font-size:.78rem;line-height:1.55;color:var(--text-muted);
  white-space:pre-wrap;word-break:break-word;max-height:260px;overflow:auto;}
.field-privacy{display:flex;gap:.6em;align-items:flex-start;font-size:.86rem;color:var(--text-muted);margin:6px 0 14px;}
.field-privacy input{margin-top:3px;accent-color:var(--accent);}
.field-privacy a{color:var(--accent);text-decoration:underline;}
.form-error{background:rgba(229,101,78,.12);border:1px solid var(--danger);color:#ffd7cd;
  border-radius:var(--radius-s);padding:10px 13px;font-size:.88rem;margin-bottom:12px;}
.fineprint{font-size:.78rem;color:var(--text-dim);margin-top:12px;}
.confirmation{text-align:center;background:var(--surface);border:1px solid var(--accent-dark);border-radius:var(--radius-l);padding:34px 24px;display:flex;flex-direction:column;align-items:center;gap:10px;}
.confirmation h3{color:var(--accent);margin:0;}
.confirmation .btn{margin-top:6px;}

.method-list{display:flex;flex-direction:column;gap:12px;margin:8px 0 16px;}
.method-list li{position:relative;padding-left:26px;color:var(--text-muted);font-size:.94rem;}
.method-list li::before{content:"▸";position:absolute;left:0;top:0;color:var(--accent);}
.method-list b{color:var(--text);}
.method-list sub{font-size:.7em;}

.site-footer{background:var(--bg-alt);border-top:1px solid var(--border-soft);padding:36px 0 20px;margin-top:20px;}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px;}
.footer-logo{font-family:var(--font-display);font-size:1.3rem;font-weight:700;display:block;margin-bottom:8px;}
.footer-col h4{font-size:.82rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-dim);font-family:var(--font-mono);}
.footer-col p{font-size:.9rem;margin:0 0 .4em;}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;border-top:1px solid var(--border-soft);
  margin-top:24px;padding-top:16px;font-size:.8rem;color:var(--text-dim);}

.wa-float{position:fixed;right:20px;bottom:20px;width:54px;height:54px;border-radius:50%;background:#1f7a52;color:#fff;
  display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(0,0,0,.4);z-index:20;transition:transform .15s;}
.wa-float:hover{transform:scale(1.06);}

@media (max-width:920px){
  .tool-grid{grid-template-columns:1fr;}
  .tool-result{position:static;order:-1;}
}
@media (max-width:560px){
  .params,.field-grid{grid-template-columns:1fr;}
  .header-actions .btn-ghost{display:none;}
  .footer-inner{grid-template-columns:1fr;}
}