:root{
  --ius-red:#8a001f;
  --ius-red-dark:#5b0014;
  --ius-gold:#c6a15b;
  --ius-gold-soft:#f3e6c8;
  --text:#111827;
  --muted:#667085;
  --bg:#f7f2f5;
  --line:#e5e7eb;
  --white:#ffffff;
  --success:#157347;
  --focus:rgba(138,0,31,.22);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Inter',-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  background:
    radial-gradient(circle at top left, rgba(138,0,31,.13), transparent 31%),
    radial-gradient(circle at bottom right, rgba(198,161,91,.22), transparent 36%),
    linear-gradient(180deg,#fff 0%,var(--bg) 100%);
  color:var(--text);
}
.page{min-height:100vh;padding:28px 16px;display:flex;align-items:center;justify-content:center}
.survey-card{width:min(980px,100%);background:rgba(255,255,255,.94);border:1px solid rgba(138,0,31,.10);border-radius:32px;box-shadow:0 28px 85px rgba(17,24,39,.15);overflow:hidden;backdrop-filter:blur(10px)}
.survey-header{position:relative;text-align:center;padding:34px 28px 30px;background:linear-gradient(135deg,var(--ius-red-dark),var(--ius-red));color:white;overflow:hidden}
.survey-header:before{content:"";position:absolute;inset:-80px auto auto -80px;width:220px;height:220px;border-radius:50%;background:rgba(198,161,91,.28)}
.survey-header:after{content:"";position:absolute;right:-90px;bottom:-110px;width:270px;height:270px;border-radius:50%;background:rgba(255,255,255,.08)}
.logo-wrap{position:relative;z-index:1;width:170px;margin:0 auto 15px;display:flex;align-items:center;justify-content:center}
.logo-wrap img{max-width:100%;height:auto;display:block;filter:drop-shadow(0 12px 20px rgba(0,0,0,.22))}
.eyebrow{position:relative;z-index:1;display:inline-flex;gap:9px;align-items:center;justify-content:center;margin-bottom:12px;padding:8px 14px;border:1px solid rgba(255,255,255,.32);background:rgba(255,255,255,.10);border-radius:999px;font-size:14px;font-weight:800;letter-spacing:.02em}
.survey-header h1{position:relative;z-index:1;margin:0;font-size:clamp(30px,5vw,52px);line-height:1.02;font-weight:800;letter-spacing:-.04em}
.survey-header p{position:relative;z-index:1;margin:14px auto 0;max-width:720px;font-size:18px;line-height:1.6;color:rgba(255,255,255,.90)}
.location-pill{position:relative;z-index:1;display:inline-flex;align-items:center;gap:9px;margin-top:18px;padding:10px 16px;border-radius:999px;background:rgba(198,161,91,.22);border:1px solid rgba(198,161,91,.45);font-weight:700;color:white}
.step-indicator{padding:16px 24px;background:#fff8ea;color:var(--ius-red-dark);font-weight:800;border-bottom:1px solid rgba(198,161,91,.35);letter-spacing:.01em}
.step{display:none}.step.active{display:block}.section-body{padding:30px 28px 10px}.section-body h2{display:flex;align-items:center;gap:12px;margin:0 0 8px;font-size:27px;letter-spacing:-.03em}.section-body h2 i{color:var(--ius-red)}.hint{margin:0 0 22px;color:var(--muted);font-size:16px;line-height:1.6}.grid{display:grid;gap:18px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.field{margin-bottom:18px}label{display:block;margin:0 0 8px;font-weight:800;color:#1f2937}label span,.privacy-box strong{color:var(--ius-red)}input,select,textarea{width:100%;border:1px solid var(--line);border-radius:16px;background:#fff;padding:14px 15px;font:inherit;color:var(--text);outline:none;transition:box-shadow .2s,border-color .2s,transform .2s}input:focus,select:focus,textarea:focus{border-color:var(--ius-red);box-shadow:0 0 0 5px var(--focus)}textarea{min-height:125px;resize:vertical}.choice-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.choice-card{cursor:pointer;margin:0;min-height:105px;border:1px solid var(--line);border-radius:20px;padding:15px;background:linear-gradient(180deg,#fff,#fffaf1);display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:10px;transition:transform .18s,box-shadow .18s,border-color .18s}.choice-card:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(17,24,39,.10);border-color:rgba(138,0,31,.35)}.choice-card input{position:absolute;opacity:0;pointer-events:none}.choice-card i{width:42px;height:42px;border-radius:14px;background:var(--ius-gold-soft);color:var(--ius-red);display:flex;align-items:center;justify-content:center;font-size:20px}.choice-card span{font-weight:800}.choice-card:has(input:checked){border-color:var(--ius-red);background:linear-gradient(135deg,rgba(138,0,31,.08),rgba(198,161,91,.20));box-shadow:0 18px 32px rgba(138,0,31,.13)}.privacy-box{display:flex;gap:12px;align-items:flex-start;margin:8px 0 16px;padding:16px;border-radius:18px;background:#fff8ea;border:1px solid rgba(198,161,91,.50);font-weight:600;line-height:1.5}.privacy-box input{width:20px;height:20px;margin-top:2px;accent-color:var(--ius-red)}.privacy-box a{color:var(--ius-red);font-weight:900;text-decoration:underline;text-underline-offset:3px}.privacy-box a:hover{color:#5f0016}.question-error{border-color:#ef4444!important;box-shadow:0 0 0 4px rgba(239,68,68,.15)!important}.field.question-error input,.field.question-error select,.field.question-error textarea{border-color:#ef4444;box-shadow:0 0 0 4px rgba(239,68,68,.12)}.actions{display:flex;justify-content:space-between;gap:12px;padding:22px 28px 30px;border-top:1px solid var(--line);background:#fff}.btn{border:0;border-radius:999px;padding:14px 19px;font-weight:900;font-size:15px;display:inline-flex;align-items:center;justify-content:center;gap:10px;cursor:pointer;text-decoration:none;transition:transform .18s,box-shadow .18s}.btn:hover{transform:translateY(-2px)}.btn-primary{background:var(--ius-red);color:white;box-shadow:0 14px 28px rgba(138,0,31,.24)}.btn-secondary{background:#f3f4f6;color:#111827}.btn-success{background:var(--success);color:white;box-shadow:0 14px 28px rgba(21,115,71,.22)}@media(max-width:760px){.page{padding:12px}.survey-card{border-radius:24px}.survey-header{padding:28px 18px}.section-body{padding:24px 18px 6px}.grid.two,.choice-grid{grid-template-columns:1fr}.actions{padding:18px;flex-direction:column}.btn{width:100%}.location-pill{border-radius:18px;line-height:1.4}.logo-wrap{width:128px}}
.language-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:18px}.language-card{border:1px solid var(--line);border-radius:22px;background:linear-gradient(180deg,#fff,#fff9ef);padding:18px 14px;text-align:left;cursor:pointer;transition:transform .18s,box-shadow .18s,border-color .18s;min-height:116px}.language-card:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(17,24,39,.12);border-color:rgba(138,0,31,.35)}.language-card.active{border-color:var(--ius-red);box-shadow:0 18px 36px rgba(138,0,31,.16);background:linear-gradient(135deg,rgba(138,0,31,.08),rgba(198,161,91,.22))}.language-card .flag{display:block;font-size:30px;margin-bottom:8px}.language-card strong{display:block;font-size:18px;color:#111827}.language-card small{display:block;margin-top:4px;color:var(--muted);font-weight:700}.info-banner{display:flex;gap:12px;align-items:flex-start;margin-top:22px;padding:16px;border-radius:20px;background:#fff8ea;border:1px solid rgba(198,161,91,.45);color:#4b5563;font-weight:700;line-height:1.55}.info-banner i{color:var(--ius-red);margin-top:3px}label b{color:var(--ius-red)}
@media(max-width:760px){.language-grid{grid-template-columns:1fr}.language-card{min-height:auto}}

.language-welcome{display:flex;align-items:flex-start;gap:16px;margin:0 0 12px}.welcome-icon{width:52px;height:52px;border-radius:18px;background:var(--ius-gold-soft);color:var(--ius-red);display:flex;align-items:center;justify-content:center;font-size:24px;flex:0 0 auto}.language-welcome h2.welcome-main{margin:0 0 9px;font-size:30px;line-height:1.15;letter-spacing:-.035em;display:block}.welcome-lines{display:flex;flex-wrap:wrap;gap:7px}.welcome-lines span{display:inline-flex;align-items:center;border:1px solid rgba(198,161,91,.45);background:#fff8ea;color:#4b5563;border-radius:999px;padding:5px 9px;font-size:13px;font-weight:800;line-height:1.2}.language-hint-multi strong{color:var(--ius-red-dark)}.multi-note strong{color:var(--ius-red-dark)}
@media(max-width:760px){.language-welcome{gap:12px}.welcome-icon{width:46px;height:46px;border-radius:15px}.language-welcome h2.welcome-main{font-size:24px}.welcome-lines span{font-size:12px}.language-hint-multi{font-size:14px}}


/* Pantalla inicial multilingüe mejorada */
.language-hero{
  position:relative;
  display:grid;
  grid-template-columns:auto 1fr;
  gap:18px;
  align-items:flex-start;
  margin:0 0 24px;
  padding:24px;
  border-radius:28px;
  overflow:hidden;
  background:
    radial-gradient(circle at top right, rgba(198,161,91,.35), transparent 34%),
    linear-gradient(135deg, rgba(138,0,31,.08), rgba(255,248,234,.95));
  border:1px solid rgba(198,161,91,.42);
}
.language-hero:before{
  content:"";
  position:absolute;
  width:190px;
  height:190px;
  right:-70px;
  bottom:-95px;
  border-radius:50%;
  background:rgba(138,0,31,.08);
}
.language-hero-icon{
  position:relative;
  z-index:1;
  width:60px;
  height:60px;
  border-radius:22px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  background:linear-gradient(135deg,var(--ius-red),var(--ius-red-dark));
  box-shadow:0 16px 32px rgba(138,0,31,.24);
  font-size:26px;
}
.language-hero-copy{position:relative;z-index:1}
.language-hero .mini-label{
  display:inline-flex;
  margin-bottom:8px;
  padding:6px 11px;
  border-radius:999px;
  background:#fff;
  color:var(--ius-red-dark);
  border:1px solid rgba(198,161,91,.48);
  font-size:12px;
  font-weight:900;
  letter-spacing:.04em;
  text-transform:uppercase;
}
.language-hero h2{
  margin:0 0 12px;
  font-size:clamp(30px,4vw,46px);
  line-height:1;
  letter-spacing:-.055em;
  color:#111827;
}
.translation-cloud{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.translation-cloud span{
  display:inline-flex;
  align-items:center;
  padding:7px 11px;
  border-radius:999px;
  background:rgba(255,255,255,.88);
  border:1px solid rgba(229,231,235,.95);
  box-shadow:0 8px 18px rgba(17,24,39,.05);
  color:#374151;
  font-size:13px;
  font-weight:800;
  line-height:1.2;
}
.hero-instruction{
  margin:0;
  color:#5b6474;
  font-size:15px;
  line-height:1.55;
  font-weight:700;
}
.language-welcome,.welcome-icon,.welcome-lines,.language-hint-multi{display:none!important}
@media(max-width:760px){
  .logo-wrap{width:145px}
  .language-hero{grid-template-columns:1fr;padding:20px;border-radius:24px}
  .language-hero-icon{width:52px;height:52px;border-radius:18px}
  .translation-cloud span{font-size:12px}
}