:root{--ntec-primary:#1a3a32;--ntec-primary-light:#2d5a4a;--ntec-accent:#e67e22;--ntec-success:#27ae60;--ntec-warning:#f39c12;--ntec-danger:#e74c3c;--ntec-text:#2c3e50;--ntec-text-light:#7f8c8d;--ntec-bg:#f8f9fa;--ntec-white:#fff;--ntec-border:#e0e0e0;--ntec-shadow:0 2px 10px rgba(0,0,0,0.1);--ntec-radius:12px}.ntec-calculateur{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;max-width:100%;width:100%;margin:0 auto;background:var(--ntec-white);border-radius:var(--ntec-radius);box-shadow:var(--ntec-shadow);overflow:hidden;box-sizing:border-box}.ntec-calculateur *{box-sizing:border-box}.ntec-header{background:linear-gradient(135deg,var(--ntec-primary) 0,var(--ntec-primary-light) 100%);color:var(--ntec-white);padding:25px 30px;text-align:center}.ntec-header h2{margin:0 0 8px 0;font-size:24px;font-weight:600;color:var(--ntec-white)}.ntec-header p{margin:0;opacity:.9;font-size:14px;color:var(--ntec-white)}.ntec-tabs{display:flex;background:var(--ntec-bg);border-bottom:1px solid var(--ntec-border)}.ntec-tab{flex:1;padding:15px 20px;background:0;border:0;font-size:15px;font-weight:500;color:var(--ntec-text-light);cursor:pointer;transition:all .3s ease;position:relative}.ntec-tab:hover{color:var(--ntec-primary);background:rgba(26,58,50,0.05)}.ntec-tab.active{color:var(--ntec-primary);background:var(--ntec-white)}.ntec-tab.active::after{content:'';position:absolute;bottom:0;left:0;right:0;height:3px;background:var(--ntec-accent)}.ntec-tab-content{display:none;padding:30px}.ntec-tab-content.active{display:block;animation:fadeIn .3s ease}@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.ntec-section{margin-bottom:30px}.ntec-section-title{font-size:16px;font-weight:600;color:var(--ntec-text);margin-bottom:15px;display:flex;align-items:center;gap:8px}.ntec-slider-container{background:var(--ntec-bg);padding:20px;border-radius:var(--ntec-radius);text-align:center}.ntec-slider-value{font-size:48px;font-weight:700;color:var(--ntec-primary);line-height:1}.ntec-slider-label{color:var(--ntec-text-light);font-size:14px;margin-top:5px}.ntec-slider{width:100%;margin:15px 0;-webkit-appearance:none;height:8px;background:var(--ntec-border);border-radius:4px;outline:0}.ntec-slider::-webkit-slider-thumb{-webkit-appearance:none;width:24px;height:24px;background:var(--ntec-accent);border-radius:50%;cursor:pointer;box-shadow:0 2px 6px rgba(230,126,34,0.4)}.ntec-slider::-moz-range-thumb{width:24px;height:24px;background:var(--ntec-accent);border-radius:50%;cursor:pointer;border:0}.ntec-checkbox-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}.ntec-checkbox-item{display:flex;align-items:center;padding:12px 15px;background:var(--ntec-bg);border-radius:8px;cursor:pointer;transition:all .2s ease;border:2px solid transparent}.ntec-checkbox-item:hover{background:rgba(26,58,50,0.08)}.ntec-checkbox-item.checked{background:rgba(26,58,50,0.1);border-color:var(--ntec-primary)}.ntec-checkbox-item input{display:none}.ntec-checkbox-icon{width:22px;height:22px;border:2px solid var(--ntec-border);border-radius:4px;margin-right:12px;display:flex;align-items:center;justify-content:center;transition:all .2s ease;flex-shrink:0}.ntec-checkbox-item.checked .ntec-checkbox-icon{background:var(--ntec-primary);border-color:var(--ntec-primary)}.ntec-checkbox-item.checked .ntec-checkbox-icon::after{content:'✓';color:white;font-size:14px}.ntec-checkbox-label{font-size:14px;color:var(--ntec-text)}.ntec-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;font-size:16px;font-weight:600;border:0;border-radius:8px;cursor:pointer;transition:all .3s ease;width:100%}.ntec-btn-primary{background:linear-gradient(135deg,var(--ntec-accent) 0,#d35400 100%);color:white}.ntec-btn-primary:hover{transform:translateY(-2px);box-shadow:0 4px 15px rgba(230,126,34,0.4)}.ntec-resultats{display:none;margin-top:30px;padding:25px;background:linear-gradient(135deg,var(--ntec-primary) 0,var(--ntec-primary-light) 100%);border-radius:var(--ntec-radius);color:white}.ntec-resultats.show{display:block;animation:fadeIn .5s ease}.ntec-resultats-titre{font-size:18px;font-weight:600;margin-bottom:20px;color:#fff}.ntec-resultats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:15px;margin-bottom:20px}.ntec-resultat-item{background:rgba(255,255,255,0.15);padding:15px;border-radius:8px;text-align:center}.ntec-resultat-valeur{font-size:24px;font-weight:700;color:#fff}.ntec-resultat-label{font-size:12px;opacity:.9;margin-top:5px;color:#fff}.ntec-economies{background:rgba(39,174,96,0.2);padding:15px;border-radius:8px;margin-top:15px;display:none}.ntec-economies.show{display:block}.ntec-economies-titre{font-weight:600;margin-bottom:5px;color:#fff}.ntec-economies-valeur{font-size:20px;font-weight:700;color:#2ecc71}.ntec-conseils{margin-top:20px;padding:20px;background:rgba(255,255,255,0.1);border-radius:8px}.ntec-conseils-titre{font-weight:600;margin-bottom:10px;color:#fff}.ntec-conseils-liste{list-style:none;padding:0;margin:0}.ntec-conseils-liste li{padding:8px 0;padding-left:25px;position:relative;font-size:14px;color:rgba(255,255,255,0.9)}.ntec-conseils-liste li::before{content:'💡';position:absolute;left:0}.ntec-select-container{position:relative}.ntec-select{width:100%;padding:14px 18px;font-size:15px;border:2px solid var(--ntec-border);border-radius:8px;background:white;cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvgxmlns='http://www.w3.org/2000/svg'width='12'height='12'viewBox='001212'%3E%3Cpathfill='%237f8c8d'd='M68L13h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 15px center}.ntec-select:focus{outline:0;border-color:var(--ntec-primary)}.ntec-echelle{margin-top:20px;padding:20px;background:var(--ntec-bg);border-radius:var(--ntec-radius)}.ntec-echelle-titre{font-weight:600;margin-bottom:15px;color:var(--ntec-text)}.ntec-echelle-bar{height:30px;border-radius:15px;background:linear-gradient(to right,#3498db 0,#2ecc71 14%,#f1c40f 28%,#e67e22 43%,#e74c3c 57%,#9b59b6 100%);position:relative;margin-bottom:10px}.ntec-echelle-marker{position:absolute;top:-8px;width:4px;height:46px;background:var(--ntec-text);border-radius:2px;transition:left .5s ease}.ntec-echelle-labels{display:flex;justify-content:space-between;font-size:11px;color:var(--ntec-text-light)}.ntec-durete-resultats{display:none;margin-top:25px}.ntec-durete-resultats.show{display:block;animation:fadeIn .5s ease}.ntec-durete-card{background:linear-gradient(135deg,var(--ntec-primary) 0,var(--ntec-primary-light) 100%);color:white;padding:25px;border-radius:var(--ntec-radius);margin-bottom:20px}.ntec-durete-commune{font-size:14px;opacity:.9}.ntec-durete-valeur{font-size:36px;font-weight:700;margin:10px 0}.ntec-durete-niveau{display:inline-block;padding:6px 16px;border-radius:20px;font-size:14px;font-weight:600}.ntec-niveau-tres-douce{background:#3498db}.ntec-niveau-douce{background:#2ecc71}.ntec-niveau-mi-dure{background:#f1c40f;color:#2c3e50}.ntec-niveau-assez-dure{background:#e67e22}.ntec-niveau-dure{background:#e74c3c}.ntec-niveau-tres-dure{background:#9b59b6}.ntec-recommandations{background:var(--ntec-bg);padding:20px;border-radius:var(--ntec-radius)}.ntec-recommandations-titre{font-weight:600;color:var(--ntec-text);margin-bottom:15px;display:flex;align-items:center;gap:8px}.ntec-recommandations-liste{list-style:none;padding:0;margin:0}.ntec-recommandations-liste li{padding:10px 0;border-bottom:1px solid var(--ntec-border);font-size:14px;color:var(--ntec-text)}.ntec-recommandations-liste li:last-child{border-bottom:0}.ntec-cta{margin-top:20px;padding:20px;background:linear-gradient(135deg,var(--ntec-accent) 0,#d35400 100%);border-radius:var(--ntec-radius);text-align:center;color:white}.ntec-cta-titre{font-weight:600;margin-bottom:10px}.ntec-cta-tel{font-size:24px;font-weight:700;color:white;text-decoration:none;display:inline-block;padding:10px 25px;background:rgba(255,255,255,0.2);border-radius:8px;transition:all .3s ease}.ntec-cta-tel:hover{background:rgba(255,255,255,0.3);color:white}.ntec-footer{padding:20px 30px;background:var(--ntec-bg);text-align:center;font-size:13px;color:var(--ntec-text-light);border-top:1px solid var(--ntec-border)}.ntec-footer a{color:var(--ntec-primary);text-decoration:none}.ntec-footer a:hover{text-decoration:underline}@media(max-width:768px){.ntec-header{padding:20px}.ntec-header h2{font-size:20px}.ntec-tab-content{padding:20px}.ntec-checkbox-grid{grid-template-columns:1fr}.ntec-resultats-grid{grid-template-columns:repeat(2,1fr)}.ntec-tabs{flex-direction:column}.ntec-tab{border-bottom:1px solid var(--ntec-border)}.ntec-tab.active::after{display:none}}