:root{
  --bg-1: linear-gradient(135deg,#E6FFFA 0%, #F0F8FF 100%);
  --card-bg: rgba(255,255,255,0.8);
  --glass: rgba(255,255,255,0.6);
  --accent: #16A34A; /* verde vibrante */
  --accent-2: #0f766e; /* teal profundo */
  --muted: #6b7280;
  --danger: #dc2626;
  --radius: 14px;
  --shadow-1: 0 8px 30px rgba(16,24,40,0.08);
  --shadow-2: 0 6px 18px rgba(2,6,23,0.08);
  --container: 1100px;
  --glass-border: rgba(255,255,255,0.5);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
  background: var(--bg-1);
  color:#0f172a;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  padding:36px 20px;
}

main{max-width:var(--container);margin:0 auto}

header{display:flex;align-items:center;gap:20px;justify-content:space-between;margin-bottom:26px}
header h1{font-family:'Space Grotesk',sans-serif;font-weight:600;margin:0;font-size:20px;color:var(--accent-2)}
header p{margin:0;color:var(--muted)}

#sustainabilityForm{
  background: linear-gradient(180deg, rgba(255,255,255,0.9), rgba(255,255,255,0.85));
  border-radius:18px;
  padding:28px;
  box-shadow:var(--shadow-1);
  backdrop-filter: blur(6px) saturate(110%);
}

section{margin-bottom:22px}
section h2{font-size:1rem;margin:0 0 12px;color:var(--accent-2);display:flex;align-items:center;gap:10px}

.input-group{display:flex;flex-direction:column;margin-bottom:14px}
.input-group label{font-size:0.9rem;color:var(--accent-2);margin-bottom:6px}

input[type="text"],input[type="email"],input[type="number"],select,textarea{
  border:1px solid rgba(15,23,42,0.06);
  padding:12px 14px;border-radius:12px;font-size:15px;transition:box-shadow .18s,transform .12s, border-color .12s;background:transparent
}
input:focus,select:focus,textarea:focus{outline:none;box-shadow:0 6px 18px rgba(16,185,129,0.12);border-color:var(--accent)}

.radio-group,.checkbox-group{display:flex;flex-wrap:wrap;gap:12px}
.radio-group label,.checkbox-group label{display:flex;align-items:center;gap:8px;padding:8px 12px;border-radius:10px;background:rgba(15,23,42,0.02);font-size:0.95rem}

.error-message{display:none;color:var(--danger);background:rgba(220,38,38,0.06);padding:12px;border-radius:10px;border-left:4px solid rgba(220,38,38,0.12);margin-top:8px}

.actions{display:flex;gap:12px;margin-top:20px}
button, .btn{appearance:none;border:0;padding:10px 16px;border-radius:12px;font-weight:600;cursor:pointer}
.btn-primary{background:linear-gradient(90deg,var(--accent),var(--accent-2));color:#fff;box-shadow:var(--shadow-2)}
.btn-soft{background:#fff;border:1px solid rgba(15,23,42,0.06);color:var(--accent-2)}
.btn-ghost{background:transparent;color:var(--muted);border:1px dashed rgba(15,23,42,0.04)}

button[type="submit"]{width:100%;padding:14px 18px;border-radius:12px;font-size:16px}

footer{margin-top:26px;text-align:center;color:var(--muted);font-size:0.9rem}

/* Cookie banner styles */
.cookie-banner{position:fixed;right:20px;bottom:20px;z-index:9999;max-width:420px;background:linear-gradient(180deg, rgba(255,255,255,0.95), rgba(255,255,255,0.92));border-radius:12px;padding:14px;box-shadow:0 10px 30px rgba(2,6,23,0.2);display:flex;align-items:center;gap:12px}
.cookie-content{display:flex;gap:12px;align-items:center;flex:1}
.cookie-text h4{margin:0;font-size:1rem;color:var(--accent-2)}
.cookie-text p{margin:6px 0 0;font-size:0.9rem;color:var(--muted)}
.cookie-actions{display:flex;gap:8px}
.cookie-close{position:absolute;left:8px;top:6px;background:transparent;border:0;font-size:14px;color:var(--muted);cursor:pointer}

/* Modal for cookie preferences */
/* cookie modal removed - styles cleaned */

/* Responsive tweaks */
@media (min-width:900px){
  header h1{font-size:24px}
  #sustainabilityForm{padding:36px}
}

@media (max-width:520px){
  .cookie-banner{left:12px;right:12px;bottom:12px;max-width:calc(100% - 24px)}
}


/* -------------------------------------------------------------------------- */
/* Nuevo estilo adicional: tarjetas, micro-interacciones y tipografía refinada    */
/* -------------------------------------------------------------------------- */

.card-hero{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px;border-radius:14px;background:linear-gradient(90deg,rgba(255,255,255,0.6),rgba(255,255,255,0.4));box-shadow:var(--shadow-1);margin-bottom:18px}
.brand{display:flex;align-items:center;gap:12px}
.brand .logo{width:52px;height:52px;border-radius:12px;background:linear-gradient(135deg,var(--accent),#34d399);display:inline-flex;align-items:center;justify-content:center;color:white;font-weight:700;font-size:20px;box-shadow:0 6px 18px rgba(16,185,129,0.14)}
.brand h2{margin:0;font-size:1.1rem;color:var(--accent-2)}

.field-row{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
@media(max-width:720px){.field-row{grid-template-columns:1fr}}

.chip{display:inline-flex;align-items:center;gap:8px;padding:6px 10px;border-radius:999px;background:rgba(15,23,42,0.04);font-size:0.85rem;color:var(--muted)}

/* subtle hover for inputs */
input[type="text"]:not(:disabled):hover,input[type="email"]:not(:disabled):hover,input[type="number"]:not(:disabled):hover,select:hover{transform:translateY(-2px)}

/* success states */
.is-valid{box-shadow:0 6px 18px rgba(34,197,94,0.08);border-color:rgba(34,197,94,0.36)}
.is-invalid{box-shadow:0 6px 18px rgba(220,38,38,0.06);border-color:rgba(220,38,38,0.32)}

/* small helper text */
.help{font-size:0.85rem;color:var(--muted);margin-top:6px}

/* make footer buttons smaller on mobile */
@media(max-width:520px){
  .cookie-actions{flex-direction:column-reverse;align-items:stretch}
  .cookie-actions .btn{width:100%}
}
/* -------------------------------------------------------------------------- */
/* Diseño estético adicional: gradientes, profundidad y microinteracciones       */
/* -------------------------------------------------------------------------- */

/* Hero destacado */
.hero{display:flex;gap:18px;align-items:center;padding:18px;border-radius:16px;background:linear-gradient(135deg, rgba(16,185,129,0.06), rgba(6,95,70,0.02));box-shadow:0 10px 30px rgba(6,95,70,0.05);margin-bottom:20px}
.hero .hero-left{display:flex;gap:14px;align-items:center}
.hero .hero-title{font-family:'Space Grotesk',sans-serif;font-size:20px;color:var(--accent-2);margin:0}
.hero .hero-sub{color:var(--muted);font-size:0.95rem;margin:0}

/* Section cards: separa visualmente cada bloque */
.section-card{background:linear-gradient(180deg, rgba(255,255,255,0.85), rgba(255,255,255,0.78));border-radius:14px;padding:16px;margin-bottom:14px;box-shadow:var(--shadow-2);border:1px solid rgba(15,23,42,0.02)}
.section-card h2{display:flex;align-items:center;gap:10px;font-size:0.98rem}

/* Icon headings */
.heading-icon{display:inline-flex;width:34px;height:34px;align-items:center;justify-content:center;border-radius:8px;background:linear-gradient(180deg, rgba(16,185,129,0.12), rgba(6,95,70,0.02));color:var(--accent-2);font-size:16px;margin-right:6px}
.site-logo{display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:10px;background:linear-gradient(135deg,var(--accent),#34d399);color:#fff;margin-right:10px}
.site-logo i{font-size:18px}

/* Field layout */
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:740px){.field-row{grid-template-columns:1fr}}

/* Inputs más pulidos */
input[type="text"],input[type="email"],input[type="number"],select,textarea{
  background:linear-gradient(180deg, rgba(255,255,255,0.98), rgba(250,250,250,0.98));
  border:1px solid rgba(15,23,42,0.06);
  padding:12px 14px;border-radius:12px;font-size:15px;transition:transform .12s ease, box-shadow .18s ease, border-color .12s ease;
  box-shadow: inset 0 -1px 0 rgba(255,255,255,0.6);
}
input::placeholder{color: #9AA3B2}
input:focus,select:focus,textarea:focus{outline:none;transform:translateY(-2px);box-shadow:0 10px 30px rgba(6,95,70,0.08);border-color:rgba(16,185,129,0.32)}

/* Fancy submit button */
.btn-primary{background:linear-gradient(90deg,var(--accent),#34d399);padding:12px 18px;border-radius:12px;color:#fff;font-weight:700;border:0;cursor:pointer;transition:transform .12s ease, box-shadow .12s ease}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 14px 40px rgba(16,185,129,0.14)}
.btn-primary:active{transform:translateY(-1px)}

/* Secondary actions */
.btn-soft{background:transparent;border:1px solid rgba(15,23,42,0.06);color:var(--accent-2);padding:10px 14px}

/* Checkboxes and radios: modern accent color support */
input[type="checkbox"], input[type="radio"]{width:18px;height:18px;accent-color:var(--accent)}
.radio-group label, .checkbox-group label{background:linear-gradient(180deg, rgba(250,250,250,0.6), rgba(255,255,255,0.6));padding:8px 12px;border-radius:10px;border:1px solid rgba(15,23,42,0.02)}

/* Small helper and meta */
.help{font-size:0.85rem;color:var(--muted);margin-top:6px}

/* Smooth entry animations */
.fade-in{animation:fadeInUp .45s cubic-bezier(.22,.9,.19,1) both}
@keyframes fadeInUp{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}

/* Result / score preview inline in form (decorative) */
.score-preview{display:flex;align-items:center;gap:12px;padding:12px;border-radius:12px;background:linear-gradient(90deg,rgba(16,185,129,0.08),rgba(34,197,94,0.04));border:1px solid rgba(16,185,129,0.06);font-weight:600}

/* micro-icons for section headings handled by .heading-icon (removed pseudo-element squares) */

/* footer tweaks */
footer{font-size:0.9rem;color:var(--muted);margin-top:30px}

@media(max-width:520px){
  .cookie-actions{flex-direction:column-reverse;align-items:stretch}
  .cookie-actions .btn{width:100%}
}

/* -------------------------------------------------------------------------- */
/* Enhancements: animated background blobs, input accents, separators, badges   */
/* -------------------------------------------------------------------------- */

/* Animated subtle gradient shift for the whole page */
@keyframes pageGradient {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
body{
  background: linear-gradient(120deg, #E6FFFA 0%, #F0F8FF 40%, #F7FFF6 100%);
  background-size: 300% 300%;
  animation: pageGradient 18s ease infinite;
}

/* Decorative floating blobs using pseudo-elements */
body::before, body::after{
  content: '';
  position: fixed;
  pointer-events: none;
  z-index: 0;
  filter: blur(40px) saturate(120%);
}
body::before{
  width: 420px; height: 420px; right: -80px; top: -80px;
  background: radial-gradient(circle at 30% 30%, rgba(22,163,74,0.18), rgba(16,185,129,0.06) 40%, transparent 60%);
}
body::after{
  width: 360px; height: 360px; left: -100px; bottom: -100px;
  background: radial-gradient(circle at 70% 70%, rgba(15,118,110,0.12), rgba(52,211,153,0.04) 40%, transparent 60%);
}

/* Ensure main content sits above decorative blobs */
main, header, footer, #sustainabilityForm{position:relative;z-index:1}

/* Header tweaks: add a subtle badge */
.site-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,0.6);padding:8px 12px;border-radius:999px;border:1px solid rgba(15,23,42,0.04);box-shadow:0 6px 20px rgba(16,24,40,0.04);font-weight:600;color:var(--accent-2)}

/* Section separator: elegant line */
hr{border:0;height:1px;background:linear-gradient(90deg,transparent,rgba(15,23,42,0.06),transparent);margin:20px 0}

/* Left accent bar for focused/valid inputs */
.form-accent{position:relative}
.form-accent::before{content:'';position:absolute;left:0;top:0;bottom:0;width:6px;border-radius:8px;background:linear-gradient(180deg,var(--accent),var(--accent-2));opacity:0;transform:translateX(-6px);transition:opacity .18s, transform .18s}
.form-accent input:focus + label ~ .accent-visible,
.form-accent input.is-valid ~ .accent-visible,
.form-accent select:focus + label ~ .accent-visible{opacity:1;transform:translateX(0)}

/* Instead of relying on special HTML we provide utility class for forms
   Developers can add .form-accent to .form-field to get left accent effect. */

/* Radio/checkbox hover/active look */
.radio-group label:hover, .checkbox-group label:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(2,6,23,0.06)}
.radio-group label input, .checkbox-group label input{margin-right:8px}

/* Floating action for submit button: arrow slides in on hover */
button[type="submit"]{position:relative;overflow:hidden}
button[type="submit"]::after{content:'→';position:absolute;right:18px;top:50%;transform:translateY(-50%) translateX(8px);opacity:0;transition:transform .18s ease, opacity .18s ease}
button[type="submit"]:hover::after{transform:translateY(-50%) translateX(0);opacity:1}

/* Validation icons inside inputs using background images (SVG data URI) */
.is-valid{background-image:linear-gradient(180deg, rgba(255,255,255,0.98), rgba(250,250,250,0.98)), url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' fill='%2334D399' viewBox='0 0 24 24'><path d='M9 16.2l-3.5-3.5L4 14.2 9 19l12-12-1.4-1.4z'/></svg>");background-repeat:no-repeat;background-position:right 12px center;background-size:18px 18px}
.is-invalid{background-image:linear-gradient(180deg, rgba(255,255,255,0.98), rgba(250,250,250,0.98)), url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' fill='%23EF4444' viewBox='0 0 24 24'><path d='M11.001 10h2v5h-2zM11 16h2v2h-2z'/><path d='M12 2C6.486 2 2 6.486 2 12s4.486 10 10 10 10-4.486 10-10S17.514 2 12 2z'/></svg>");background-repeat:no-repeat;background-position:right 12px center;background-size:18px 18px}

/* Tiny helper for compact forms */
.compact .input-group{margin-bottom:10px}

/* Make cookie banner slightly more prominent on small screens */
@media(max-width:480px){
  .cookie-banner{left:12px;right:12px;bottom:12px;max-width:calc(100% - 24px);padding:12px}
  .cookie-text p{display:none}
}