:root{--storm-primary:#0288d1;--storm-primary-dark:#01579b;--storm-secondary:#4fc3f7;--storm-accent:#00e5ff;--storm-bg:linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);--storm-card-bg:rgba(255, 255, 255, 0.95);--storm-text:#263238;--storm-text-muted:#546e7a;--storm-success:#00c853;--storm-warning:#ffc107;--storm-error:#ff5252;--storm-shadow:0 8px 32px rgba(2, 136, 209, 0.15);--storm-radius:16px}.storm-calc-page{max-width:1200px;margin:0 auto;padding:40px 20px 60px}.storm-calc-hero{text-align:center;padding:40px 20px;background:var(--storm-bg);border-radius:var(--storm-radius);margin-bottom:30px}.storm-calc-hero .hero-icon{font-size:64px;margin-bottom:16px;animation:rainDrop 2s ease-in-out infinite}@keyframes rainDrop{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}.storm-calc-hero h1{font-size:32px;font-weight:700;color:var(--storm-text);margin:0 0 12px}.storm-calc-hero .hero-subtitle{font-size:18px;color:var(--storm-text-muted);margin:0}.storm-calc-container{background:var(--storm-card-bg);border-radius:var(--storm-radius);box-shadow:var(--storm-shadow);padding:32px;margin-bottom:40px}.wizard-progress{display:flex;justify-content:center;gap:40px;padding:20px 0 30px;border-bottom:1px solid #e0e0e0;margin-bottom:30px}.wizard-step{display:flex;align-items:center;gap:10px;opacity:.4;transition:all .3s ease}.wizard-step.active{opacity:1}.wizard-step.completed{opacity:.8}.wizard-step .step-num{width:36px;height:36px;border-radius:50%;background:#e0e0e0;color:#757575;display:flex;align-items:center;justify-content:center;font-weight:600;transition:all .3s ease}.wizard-step.active .step-num{background:var(--storm-primary);color:#fff;box-shadow:0 4px 12px rgba(2,136,209,.4)}.wizard-step.completed .step-num{background:var(--storm-success);color:#fff}.wizard-step .step-label{font-weight:500;color:var(--storm-text-muted)}.wizard-step.active .step-label{color:var(--storm-text)}.wizard-panel{display:none}.wizard-panel.active{display:block;animation:fadeIn .4s ease}@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.wizard-panel h2{font-size:24px;color:var(--storm-text);margin:0 0 8px}.wizard-panel .step-hint{color:var(--storm-text-muted);margin:0 0 24px}.city-selector{margin-bottom:24px}.search-box{position:relative;margin-bottom:20px}.search-box input{width:100%;padding:16px 50px 16px 20px;border:2px solid #e0e0e0;border-radius:12px;font-size:16px;transition:all .3s ease}.search-box input:focus{outline:0;border-color:var(--storm-primary);box-shadow:0 0 0 4px rgba(2,136,209,.1)}.search-box .search-icon{position:absolute;right:16px;top:50%;transform:translateY(-50%);font-size:20px}.city-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;max-height:350px;overflow-y:auto;padding:4px}.city-card{padding:16px;background:#f5f5f5;border:2px solid transparent;border-radius:12px;cursor:pointer;transition:all .2s ease}.city-card:hover{background:#e3f2fd;border-color:var(--storm-secondary);transform:translateY(-2px)}.city-card.selected{background:var(--storm-primary);color:#fff;border-color:var(--storm-primary-dark)}.city-card .city-name{font-weight:600;margin-bottom:4px}.city-card .city-q20{font-size:13px;opacity:.8}.city-card.selected .city-q20{color:rgba(255,255,255,.9)}.manual-q20-toggle{margin:20px 0;padding:12px 16px;background:#fafafa;border-radius:8px}.toggle-label{display:flex;align-items:center;gap:10px;cursor:pointer;font-weight:500}.manual-q20-input{margin-top:16px;padding:20px;background:#fff8e1;border-radius:12px;border:1px solid #ffecb3}.selected-city-info{margin-top:20px;padding:16px;background:linear-gradient(135deg,#e3f2fd,#bbdefb);border-radius:12px}.info-badge{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.city-label{color:var(--storm-text-muted)}.city-value{font-weight:600;font-size:18px;color:var(--storm-text)}.q20-badge{background:var(--storm-primary);color:#fff;padding:6px 14px;border-radius:20px;font-weight:500;font-size:14px}.surfaces-grid{display:grid;gap:16px;margin-bottom:24px}.surface-card{display:grid;grid-template-columns:50px 1fr 200px;align-items:center;gap:16px;padding:16px 20px;background:#f8f9fa;border-radius:12px;border:2px solid transparent;transition:all .2s ease}.surface-card:hover{background:#e3f2fd}.surface-card.has-value{border-color:var(--storm-primary);background:#e3f2fd}.surface-icon{font-size:32px;text-align:center}.surface-name{font-weight:600;color:var(--storm-text)}.surface-psi{font-size:13px;color:var(--storm-text-muted)}.surface-input{display:flex;align-items:center;gap:8px}.surface-input input{width:140px;padding:12px 16px;border:2px solid #e0e0e0;border-radius:10px;font-size:16px;text-align:right}.surface-input input:focus{outline:0;border-color:var(--storm-primary)}.input-unit{color:var(--storm-text-muted);font-weight:500}.total-area-bar{display:flex;align-items:center;justify-content:flex-end;gap:10px;padding:16px 20px;background:linear-gradient(135deg,#e8f5e9,#c8e6c9);border-radius:12px;margin-bottom:24px}.total-label{font-weight:500;color:var(--storm-text-muted)}.total-value{font-size:24px;font-weight:700;color:#2e7d32}.total-unit{font-weight:500;color:#2e7d32}.wizard-nav{display:flex;justify-content:space-between;padding-top:24px;border-top:1px solid #e0e0e0}.btn-wizard{padding:14px 28px;border:none;border-radius:10px;font-size:16px;font-weight:600;cursor:pointer;transition:all .2s ease}.btn-wizard.btn-back{background:#f5f5f5;color:var(--storm-text)}.btn-wizard.btn-back:hover{background:#e0e0e0}.btn-wizard.btn-next{background:var(--storm-primary);color:#fff}.btn-wizard.btn-next:hover:not(:disabled){background:var(--storm-primary-dark);transform:translateY(-2px);box-shadow:0 4px 12px rgba(2,136,209,.4)}.btn-wizard:disabled{opacity:.5;cursor:not-allowed}.btn-wizard.btn-calculate{background:linear-gradient(135deg,#00c853,#00e676);color:#fff;padding:16px 32px}.btn-wizard.btn-calculate:hover:not(:disabled){box-shadow:0 4px 16px rgba(0,200,83,.4)}.result-card{animation:slideUp .5s ease}@keyframes slideUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.result-header{display:flex;align-items:center;gap:16px;padding-bottom:20px;border-bottom:2px solid #e3f2fd;margin-bottom:24px}.result-header .result-icon{font-size:48px}.result-header h2{margin:0;color:var(--storm-text)}.result-section{margin-bottom:28px;padding:24px;background:#fafafa;border-radius:12px}.result-section h3{margin:0 0 16px;font-size:18px;color:var(--storm-text)}.result-metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px}.metric-card{text-align:center;padding:24px;border-radius:12px;background:#fff;box-shadow:0 4px 16px rgba(0,0,0,.08)}.metric-card.primary{background:linear-gradient(135deg,var(--storm-primary),var(--storm-primary-dark));color:#fff}.metric-card.primary .metric-label{color:rgba(255,255,255,.85)}.metric-label{font-size:14px;color:var(--storm-text-muted);margin-bottom:8px}.metric-value{font-size:42px;font-weight:700;line-height:1.1}.metric-unit{font-size:18px;opacity:.8}.details-table{overflow-x:auto}.details-table table{width:100%;border-collapse:collapse}.details-table td,.details-table th{padding:12px 16px;text-align:left;border-bottom:1px solid #e0e0e0}.details-table th{background:#e3f2fd;font-weight:600;color:var(--storm-text)}.details-table tr:hover{background:#f5f5f5}.formula-block{margin-top:16px;padding:16px 20px;background:#e8eaf6;border-radius:10px;font-family:'Roboto Mono',monospace}.formula-block code{font-size:16px;color:#303f9f}.equipment-hint{color:var(--storm-text-muted);margin-bottom:16px}.storm-sets-row{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;align-items:start}.storm-set-card{background:#fff;border-radius:12px;border:2px solid #e9ecef;display:flex;flex-direction:column;overflow:hidden;transition:transform .2s,box-shadow .2s,border-color .2s}.storm-set-card:hover{border-color:#b0c4de}.storm-set-best{border-color:#2ecc71;box-shadow:0 8px 24px rgba(46,204,113,.1)}.storm-set-header{background:#f8f9fa;padding:12px 20px;font-weight:700;font-size:14px;border-bottom:1px solid #eee;display:flex;justify-content:space-between;align-items:center}.storm-set-best .storm-set-header{background:rgba(46,204,113,.05);color:#27ae60}.storm-set-badge{background:#2ecc71;color:#fff;font-size:11px;text-transform:uppercase;padding:3px 8px;border-radius:4px;letter-spacing:.5px}.storm-set-badge-partial{background:#f9a825}.storm-set-items{padding:20px;flex:1}.storm-set-item{margin-bottom:15px}.storm-set-item:last-child{margin-bottom:0}.storm-set-item-nf{opacity:.6}.storm-set-item-row{display:flex;gap:15px;align-items:center}.storm-set-item-row img{width:60px;height:60px;object-fit:contain;background:#f8f8f8;border-radius:8px;padding:5px;flex-shrink:0}.storm-set-noimg{width:60px;height:60px;display:flex;align-items:center;justify-content:center;background:#f0f4f8;color:var(--storm-text-muted);font-size:18px;font-weight:700;border-radius:8px;flex-shrink:0}.storm-set-item-info{flex:1}a.storm-set-item-name{display:block;font-size:13px;font-weight:600;line-height:1.4;margin-bottom:3px;color:var(--storm-primary);text-decoration:none}a.storm-set-item-name:hover{text-decoration:underline}div.storm-set-item-name{font-size:13px;font-weight:600;line-height:1.4;margin-bottom:3px;color:var(--storm-text)}.storm-set-item-spec{font-size:14px;color:#333;font-weight:700}.storm-set-footer{padding:20px;background:#f8f9fa;border-top:1px solid #eee}.storm-set-stats{margin-bottom:15px}.storm-set-stat{display:flex;justify-content:space-between;font-size:14px;margin-bottom:5px}.storm-set-stat strong{color:#2ecc71;font-size:16px}.storm-set-btn{display:block;width:100%;padding:12px;background:var(--storm-primary);color:#fff;border:none;border-radius:8px;font-weight:600;text-align:center;text-decoration:none;font-size:14px;cursor:pointer;box-sizing:border-box;transition:background .2s}.storm-set-btn:hover{background:var(--storm-primary-dark);color:#fff;text-decoration:none}.storm-set-card[data-variant]{cursor:pointer;transition:box-shadow .2s,border-color .2s}.storm-set-card[data-variant]:hover{box-shadow:0 4px 16px rgba(0,0,0,.12)}.storm-set-card.selected-for-pdf{border-color:#0073aa!important;box-shadow:0 0 0 3px rgba(0,115,170,.25)}.pdf-select-hint{flex:1;text-align:center;font-size:14px;color:#888;padding:15px 20px;background:#f8f9fa;border:2px dashed #ddd;border-radius:10px;margin:0}.pdf-select-hint.hint-attention{background:#fff3cd;border-color:#ffc107;color:#856404;font-weight:600}.selected-variant-summary{margin:20px 0 0;padding:16px 20px;background:#f0f7ff;border:2px solid #b0cfe0;border-radius:10px}#btn-pdf-main{margin-top:16px}.svs-header{font-weight:700;font-size:15px;color:#0073aa;margin-bottom:8px}.svs-items{margin-bottom:8px}.svs-item{font-size:14px;color:#333;padding:2px 0}.svs-total{font-size:15px;font-weight:600;color:#333}.storm-los3x1-hint{margin-top:12px;padding:12px 16px;background:#e3f2fd;border-left:4px solid #0288d1;border-radius:6px;font-size:14px;color:#333;line-height:1.5}.equipment-grid.highlight-select{animation:highlightPulse .6s ease 3}@keyframes highlightPulse{0%,100%{box-shadow:none}50%{box-shadow:0 0 0 4px rgba(0,115,170,.3);border-radius:12px}}.legal-block{background:#f0f7ff;border:1px solid #b3d4fc}.legal-text{font-size:14px;line-height:1.7;color:#444;margin-bottom:20px}.legal-text a{color:var(--storm-primary);text-decoration:none;font-weight:500}.legal-text a:hover{text-decoration:underline}.legal-text strong{color:var(--storm-primary-dark)}.result-volume-box{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;padding:20px;background:#fff;border-radius:8px;border:2px solid var(--storm-primary)}.volume-label{font-size:14px;color:#666}.volume-value{font-size:32px;font-weight:700;color:var(--storm-primary)}.volume-secondary{font-size:18px;font-weight:600;color:var(--storm-text-muted)}.tech-block{background:#fff8e1;border:1px solid #ffe082}.tech-text{font-size:14px;line-height:1.6;color:#5d4037;margin-bottom:15px}.tech-text strong{color:#333}.tank-config{display:flex;flex-direction:column;gap:0}.tank-config-line{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px;padding:10px 14px;background:#fff;border:1px solid #ffe0b2;border-radius:8px;margin-bottom:8px;font-size:14px;line-height:1.5}.tank-config-line:last-child{margin-bottom:0}.tank-config-pool{font-weight:700;color:#333;white-space:nowrap}.tank-config-items{color:#555}.products-block{background:#f8f9fa;border:1px solid #e9ecef}.storm-actions{display:flex;gap:10px;margin-top:20px;padding-top:20px;border-top:1px solid #e0e0e0}.storm-act-btn{flex:1;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 16px;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s;text-decoration:none;border:none;font-family:inherit;white-space:nowrap}.storm-act-btn svg{flex-shrink:0}.storm-act-catalog{background:var(--storm-primary);color:#fff}.storm-act-catalog:hover{background:var(--storm-primary-dark);box-shadow:0 2px 8px rgba(2,136,209,.3)}.storm-act-pdf{background:#e1f5fe;color:var(--storm-primary-dark);border:1px solid #b3e5fc}.storm-act-pdf:hover{background:#b3e5fc}.storm-act-cabinet{background:#e8eaf6;color:#1a237e;border:1px solid #c5cae9}.storm-act-cabinet:hover{background:#c5cae9}.result-actions{display:flex;gap:16px;flex-wrap:wrap;padding-top:20px;border-top:1px solid #e0e0e0}.btn-action{display:flex;align-items:center;gap:10px;padding:14px 24px;border:none;border-radius:10px;font-size:15px;font-weight:600;cursor:pointer;transition:all .2s ease}.btn-action.btn-pdf{background:#ff7043;color:#fff}.btn-action.btn-pdf:hover{background:#f4511e;transform:translateY(-2px)}.btn-action.btn-consult{background:var(--storm-primary);color:#fff}.btn-action.btn-consult:hover{background:var(--storm-primary-dark);transform:translateY(-2px)}.action-icon{font-size:18px}.error-card{text-align:center;padding:48px;background:#ffebee;border-radius:12px}.error-card .error-icon{font-size:64px;margin-bottom:16px}.error-card h3{color:#c62828;margin:0 0 12px}.error-card p{color:#b71c1c;margin-bottom:24px}.storm-info-block{margin-bottom:40px}.storm-info-block h2{text-align:center;font-size:24px;color:var(--storm-text);margin-bottom:24px}.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.info-card{padding:28px;background:var(--storm-card-bg);border-radius:var(--storm-radius);box-shadow:0 4px 16px rgba(0,0,0,.06);text-align:center}.info-card .info-icon{font-size:48px;margin-bottom:16px}.info-card h4{font-size:18px;color:var(--storm-text);margin:0 0 12px}.info-card p{color:var(--storm-text-muted);margin:0;line-height:1.6}.storm-cta{background:linear-gradient(135deg,var(--storm-primary),#006db3);border-radius:var(--storm-radius);padding:48px;text-align:center;margin-bottom:40px}.storm-cta h3{font-size:28px;color:#fff;margin:0 0 12px}.storm-cta p{color:rgba(255,255,255,.9);margin:0 0 24px;font-size:18px}.storm-cta .big_btn{display:inline-block;padding:16px 32px;background:#fff;color:var(--storm-primary-dark);border-radius:10px;font-weight:600;font-size:18px;cursor:pointer;transition:all .2s ease}.storm-cta .big_btn:hover{transform:translateY(-3px);box-shadow:0 8px 24px rgba(0,0,0,.2)}.related-tools{margin-bottom:40px}.related-tools h3{font-size:20px;color:var(--storm-text);margin-bottom:16px}.tools-grid{display:flex;gap:16px;flex-wrap:wrap}.tool-card{display:flex;align-items:center;gap:10px;padding:14px 20px;background:#f5f5f5;border-radius:10px;text-decoration:none;color:var(--storm-text);transition:all .2s ease}.tool-card:hover{background:#e3f2fd;transform:translateY(-2px)}.tool-icon{font-size:24px}.tool-name{font-weight:500}.storm-input{width:100%;padding:14px 18px;border:2px solid #e0e0e0;border-radius:10px;font-size:16px;transition:all .2s ease;box-sizing:border-box}.storm-input:focus{outline:0;border-color:var(--storm-primary);box-shadow:0 0 0 4px rgba(2,136,209,.1)}.form-label{display:block;font-weight:600;color:var(--storm-text);margin-bottom:8px}.form-hint{font-size:13px;color:var(--storm-text-muted);margin-top:6px}.lead-gate{margin-top:20px;padding:20px 24px;background:#f0f7ff;border:2px solid #b3d4fc;border-radius:12px}.lead-gate-title{font-weight:600;font-size:16px;color:var(--storm-primary-dark);margin-bottom:12px}.lead-gate-fields{display:flex;gap:12px;margin-bottom:10px}.lead-gate-fields input{flex:1}.lead-gate-consent{display:flex;align-items:center;gap:8px;font-size:13px;color:#666;margin-bottom:12px;cursor:pointer}.lead-gate-consent input[type=checkbox]{accent-color:var(--storm-primary)}.lead-gate-consent.error-field{color:#c62828}.lead-gate-success{padding:15px;background:#f0fdf4;border:1px solid #86efac;border-radius:8px;color:#166534;font-size:14px;line-height:1.6}.lead-gate-success a{color:var(--storm-primary-dark);font-weight:600}.error-field{border-color:#c62828!important}.storm-quick-calcs{margin-top:40px;padding:30px;background:#fff;border-radius:12px;border:1px solid #eee}.storm-quick-calcs h2{text-align:center;font-size:20px;margin:0 0 25px 0;color:#333}.storm-quick-calcs .quick-calcs-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}.storm-quick-calcs .quick-calcs-group h4{font-size:15px;color:var(--storm-primary-dark);margin:0 0 12px 0;padding-bottom:8px;border-bottom:2px solid #e3f2fd}.storm-quick-calcs .quick-calcs-group ul{list-style:none;margin:0;padding:0}.storm-quick-calcs .quick-calcs-group li{margin-bottom:8px}.storm-quick-calcs .quick-calcs-group a{color:#555;text-decoration:none;font-size:14px;transition:color .2s}.storm-quick-calcs .quick-calcs-group a:hover{color:var(--storm-primary);text-decoration:underline}.storm-faq-block{margin-top:40px}.storm-faq-block h2{font-size:22px;margin-bottom:20px;color:#1a1a1a}.faq-item{margin-bottom:16px;padding:15px 20px;background:#f0f7fb;border-radius:8px;border-left:3px solid #0288d1}.faq-q{font-size:16px;font-weight:600;color:#1a1a1a;margin-bottom:8px}.faq-item p{font-size:14px;line-height:1.6;color:#555;margin:0}.faq-item a{color:#0277bd;text-decoration:none}.faq-item a:hover{text-decoration:underline}@media (max-width:768px){.storm-calc-page{padding:20px 12px}.storm-calc-hero h1{font-size:24px}.storm-calc-container{padding:20px 16px}.wizard-progress{gap:20px}.wizard-step .step-label{display:none}.city-grid{grid-template-columns:repeat(2,1fr)}.surface-card{grid-template-columns:1fr;text-align:center}.surface-input{justify-content:center}.info-grid{grid-template-columns:1fr}.result-metrics{grid-template-columns:1fr}.metric-value{font-size:32px}.storm-actions{flex-direction:column}.result-actions{flex-direction:column}.btn-action{justify-content:center}.lead-gate-fields{flex-direction:column}.storm-quick-calcs .quick-calcs-grid{grid-template-columns:1fr;gap:20px}.storm-sets-row{grid-template-columns:1fr}.storm-set-items{padding:15px}.storm-set-footer{padding:15px}.storm-set-item-row img,.storm-set-noimg{width:50px;height:50px}}