.header{background-color:var(--bg-color);border-bottom:1px solid var(--border-color);padding:1.5rem 0;position:sticky;top:0;z-index:100;box-shadow:0 1px 3px #0000001a}.header .container{max-width:1200px;margin:0 auto;padding:0 1.5rem;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}.logo{font-size:1.5rem;font-weight:700;color:var(--primary-color);margin:0}.nav{display:flex;gap:2rem}.nav a{color:var(--text-color);font-weight:500;transition:color .2s}.nav a:hover{color:var(--primary-color);text-decoration:none}@media(max-width:768px){.header .container{flex-direction:column;align-items:flex-start}.nav{gap:1rem}}.footer{background-color:var(--text-color);color:#fff;padding:3rem 0 1rem;margin-top:4rem}.footer .container{max-width:1200px;margin:0 auto;padding:0 1.5rem}.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;margin-bottom:2rem;text-align:left}.footer-section h3{margin:0 0 .5rem;font-size:1.25rem;color:#fff}.footer-section h4{margin:0 0 1rem;font-size:1rem;color:#fff;font-weight:600}.footer-section p{margin:0 0 1rem;line-height:1.6;color:#ffffffe6}.footer-section a{color:#fff;text-decoration:none;transition:opacity .2s}.footer-section a:hover{opacity:.8;text-decoration:underline}.footer-section strong{color:#ffffffb3;font-size:.9rem;font-weight:500}.footer-bottom{border-top:1px solid rgba(255,255,255,.2);padding-top:1.5rem;text-align:center}.footer-bottom p{margin:0;font-size:.9rem;color:#ffffffb3}@media(max-width:768px){.footer-content{grid-template-columns:1fr;gap:2rem}.footer{padding:2rem 0 1rem}}.heat-pump-card{background:var(--bg-color);border:1px solid var(--border-color);border-radius:8px;overflow:hidden;transition:transform .2s,box-shadow .2s;cursor:pointer}.heat-pump-card:hover{transform:translateY(-4px);box-shadow:0 10px 20px #0000001a}.card-image{width:100%;height:250px;background-color:var(--bg-light);display:flex;align-items:center;justify-content:center;overflow:hidden}.card-image img{width:100%;height:100%;object-fit:cover}.card-content{padding:1.5rem}.card-content h3{margin-bottom:.5rem;color:var(--text-color)}.brand{color:var(--text-light);font-size:.9rem;margin-bottom:1rem}.description{color:var(--text-color);margin-bottom:1rem}.features{list-style:none;padding:0;margin:0;margin-bottom:1.5rem}.features li{padding:.25rem 0;color:var(--text-light);font-size:.9rem}.details-button{width:100%;padding:.75rem 1.5rem;background-color:var(--primary-color);color:#fff;border:none;border-radius:4px;font-size:1rem;font-weight:500;cursor:pointer;transition:background-color .2s}.details-button:hover{background-color:var(--secondary-color)}.contact-form{max-width:600px;margin:0 auto}.contact-form h2{text-align:center;margin-bottom:2rem}.message-container{min-height:60px;margin-bottom:1.5rem}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--text-color)}.form-group input,.form-group textarea{width:100%;padding:.75rem;border:1px solid var(--border-color);border-radius:4px;font-size:1rem;font-family:inherit;transition:border-color .2s}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--primary-color)}.submit-button{width:100%;padding:1rem;background-color:var(--primary-color);color:#fff;border:none;border-radius:4px;font-size:1rem;font-weight:600;transition:background-color .2s}.submit-button:hover{background-color:var(--secondary-color)}.success-message{background-color:#10b981;color:#fff;padding:1rem;border-radius:4px;text-align:center}.error-message{background-color:#ef4444;color:#fff;padding:1rem;border-radius:4px;text-align:center}.technical-details{padding:2rem 0;min-height:calc(100vh - 200px)}.technical-details .container{max-width:1400px}.technical-details h1{font-size:2rem;color:var(--text-color);margin-bottom:1rem}.technical-details .subtitle{font-size:1.1rem;color:var(--text-light);margin-bottom:2rem;line-height:1.6}.back-button{display:inline-flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;background-color:var(--primary-color);color:#fff;border:none;border-radius:4px;font-size:1rem;font-weight:500;cursor:pointer;transition:background-color .2s;margin-bottom:2rem}.back-button:hover{background-color:var(--secondary-color)}.tech-table-wrapper{margin:2rem 0}.tech-table-wrapper h2{font-size:1.5rem;margin-bottom:1.5rem;color:var(--text-color)}.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin-bottom:2rem}.tech-table-multi{width:100%;min-width:800px;border-collapse:collapse;background:#fff;box-shadow:0 1px 3px #0000001a;border-radius:8px;overflow:hidden}.tech-table-multi thead th{background-color:var(--secondary-color);color:#fff;padding:1rem .75rem;text-align:center;font-weight:700;font-size:1rem;border-right:1px solid rgba(255,255,255,.1)}.tech-table-multi thead th:last-child{border-right:none}.tech-table-multi thead th.row-header{width:200px;text-align:left}.tech-table-multi thead th.unit-header{width:60px;font-size:.85rem}.tech-table-multi thead th.variant-header{min-width:120px;white-space:nowrap}.tech-table-multi tbody td{padding:.75rem;text-align:center;border-bottom:1px solid var(--border-color);border-right:1px solid var(--border-color);font-family:Courier New,monospace;color:var(--text-color)}.tech-table-multi tbody td:last-child{border-right:none}.tech-table-multi tbody td.row-header{text-align:left;font-weight:600;color:var(--text-color);font-family:inherit;background-color:var(--bg-light);white-space:nowrap}.tech-table-multi tbody td.unit{font-size:.85rem;color:var(--text-light);font-weight:500;background-color:var(--bg-light)}.tech-table-multi tbody tr.section-header td{background-color:var(--primary-color);color:#fff;font-weight:700;padding:.75rem 1rem;font-size:1.05rem;text-align:left;border-bottom:2px solid var(--secondary-color)}.tech-table-multi tbody tr:hover:not(.section-header){background-color:#2563eb05}.tech-table-multi tbody tr:last-child td{border-bottom:none}.features-section{margin-top:3rem;padding:2rem;background-color:var(--bg-light);border-radius:8px}.features-section h3{font-size:1.3rem;margin-bottom:1rem;color:var(--text-color)}.features-section ul{list-style:none;padding:0}.features-section li{color:var(--text-color);position:relative;padding:.5rem 0 .5rem 1.5rem}.features-section li:before{content:"✓";position:absolute;left:0;color:var(--primary-color);font-weight:700}@media(max-width:768px){.technical-details h1{font-size:1.5rem}.tech-table-multi{min-width:700px;font-size:.85rem}.tech-table-multi thead th{padding:.75rem .5rem;font-size:.9rem}.tech-table-multi tbody td{padding:.5rem}.tech-table-multi thead th.row-header{width:150px}.tech-table-multi thead th.variant-header{min-width:100px}.features-section{padding:1.5rem}}.app{min-height:100vh;display:flex;flex-direction:column}main{flex:1}.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}.hero{background:linear-gradient(135deg,var(--primary-color) 0%,var(--secondary-color) 100%);color:#fff;padding:4rem 0;text-align:center}.hero h1{font-size:2.5rem;margin-bottom:1rem}.subtitle{font-size:1.25rem;opacity:.9}.section{padding:4rem 0}.section h2{text-align:center;font-size:2rem;margin-bottom:1rem}.section-description{text-align:center;color:var(--text-light);max-width:600px;margin:0 auto 3rem}.bg-light{background-color:var(--bg-light)}.heat-pumps-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;margin-top:2rem}.contact-content{display:grid;grid-template-columns:1fr 1fr;gap:4rem;margin-top:2rem}.contact-info h3{margin-bottom:1rem}.contact-info p{margin-bottom:1.5rem}@media(max-width:768px){.hero h1{font-size:2rem}.subtitle{font-size:1rem}.contact-content{grid-template-columns:1fr;gap:2rem}.heat-pumps-grid{grid-template-columns:1fr}}*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #2563eb;--secondary-color: #1e40af;--text-color: #1f2937;--text-light: #6b7280;--bg-color: #ffffff;--bg-light: #f9fafb;--border-color: #e5e7eb}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:var(--text-color);line-height:1.6}h1,h2,h3,h4,h5,h6{line-height:1.2;margin-bottom:1rem}p{margin-bottom:1rem}a{color:var(--primary-color);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;font-family:inherit}