*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--color-primary:#41b6e6;--color-primary-dark:#2a8ab8;--color-primary-light:#e8f6fc;--color-bg:#f5f7fa;--color-white:#fff;--color-text:#1a2332;--color-text-secondary:#5a6978;--color-border:#e2e8f0;--color-success:#22c55e;--color-warning:#f59e0b;--color-badge-tax:#ef4444;--color-badge-notax:#22c55e;--radius:12px;--radius-sm:8px;--shadow-sm:0 1px 3px #00000014;--shadow-md:0 4px 12px #0000001a;--shadow-lg:0 8px 30px #0000001f;--transition:.2s ease}body{background:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.6}a{color:var(--color-primary-dark);text-decoration:none}a:hover{text-decoration:underline}.header{background:var(--color-white);border-bottom:3px solid var(--color-primary);z-index:100;box-shadow:var(--shadow-sm);padding:0 24px;position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;max-width:1200px;height:70px;margin:0 auto;display:flex}.header-logo{align-items:center;gap:12px;text-decoration:none;display:flex}.header-logo:hover{text-decoration:none}.header-logo-text{flex-direction:column;line-height:1.2;display:flex}.header-logo-company{color:var(--color-text);font-size:18px;font-weight:700}.header-logo-sub{color:var(--color-text-secondary);letter-spacing:.5px;text-transform:uppercase;font-size:12px}.header-nav{align-items:center;gap:12px;display:flex}.lang-switcher{background:#f1f5f9;border-radius:6px;gap:2px;margin-left:8px;padding:2px;display:flex}.lang-btn{color:var(--color-text-secondary);cursor:pointer;transition:var(--transition);background:0 0;border:none;border-radius:4px;padding:5px 10px;font-size:12px;font-weight:600}.lang-btn:hover{color:var(--color-primary-dark)}.lang-btn.active{background:var(--color-white);color:var(--color-primary-dark);box-shadow:0 1px 3px #0000001a}.header-nav a{border-radius:var(--radius-sm);color:var(--color-text-secondary);transition:var(--transition);padding:8px 16px;font-size:14px;font-weight:500}.header-nav a:hover,.header-nav a.active{background:var(--color-primary-light);color:var(--color-primary-dark);text-decoration:none}.hero{color:#fff;text-align:center;background:linear-gradient(135deg,#1a2332 0%,#2d4156 100%);padding:60px 24px}.hero h1{margin-bottom:12px;font-size:36px;font-weight:700}.hero h1 span{color:var(--color-primary)}.hero p{opacity:.8;max-width:600px;margin:0 auto;font-size:18px}.container{max-width:1200px;margin:0 auto;padding:40px 24px}.section-title{color:var(--color-text);margin-bottom:8px;font-size:24px;font-weight:700}.section-subtitle{color:var(--color-text-secondary);margin-bottom:32px;font-size:15px}.gas-grid{grid-template-columns:repeat(auto-fill,minmax(min(340px,100%),1fr));align-items:start;gap:24px;display:grid}.gas-card{background:var(--color-white);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:var(--transition);border:1px solid var(--color-border);cursor:pointer;color:inherit;text-decoration:none;display:block;overflow:hidden}.gas-card:hover{box-shadow:var(--shadow-lg);text-decoration:none;transform:translateY(-2px)}.gas-card-header{color:#fff;background:linear-gradient(135deg,#1a2332 0%,#2d4156 100%);justify-content:space-between;align-items:center;padding:20px 24px;display:flex}.gas-card-name{font-size:22px;font-weight:700}.gas-card-gwp{background:#ffffff26;border-radius:20px;padding:4px 10px;font-size:12px;font-weight:600}.gas-card-gwp.low{color:#86efac;background:#22c55e33}.gas-card-body{padding:24px}.gas-card-price-row{align-items:baseline;gap:8px;margin-bottom:4px;display:flex}.gas-card-price{color:var(--color-primary-dark);font-size:32px;font-weight:800}.gas-card-price-iva{color:var(--color-text-secondary);background:#f1f5f9;border-radius:4px;padding:2px 8px;font-size:14px;font-weight:600}.gas-card-price-unit{color:var(--color-text-secondary);font-size:14px}.gas-card-tax-badge{border-radius:20px;margin-top:8px;margin-bottom:16px;padding:4px 12px;font-size:12px;font-weight:600;display:inline-block}.gas-card-tax-badge.has-tax{color:#64748b;background:#f0f4f8}.gas-card-tax-badge.no-tax{color:var(--color-badge-notax);background:#f0fdf4}.gas-card-desc{color:var(--color-text-secondary);-webkit-line-clamp:4;-webkit-box-orient:vertical;margin-bottom:16px;font-size:14px;line-height:1.5;display:-webkit-box;overflow:hidden}.gas-card-footer{border-top:1px solid var(--color-border);justify-content:space-between;align-items:center;padding-top:16px;display:flex}.gas-card-link{color:var(--color-primary-dark);transition:var(--transition);align-items:center;gap:4px;font-size:14px;font-weight:600;display:flex}.gas-card:hover .gas-card-link{gap:8px}.gas-card-note{color:var(--color-text-secondary);background:var(--color-bg);border-radius:20px;padding:3px 10px;font-size:12px}.ficha-back{color:var(--color-text-secondary);align-items:center;gap:6px;margin-bottom:24px;padding:8px 0;font-size:14px;font-weight:500;display:inline-flex}.ficha-back:hover{color:var(--color-primary-dark);text-decoration:none}.ficha-header{background:var(--color-white);border-radius:var(--radius);box-shadow:var(--shadow-sm);border:1px solid var(--color-border);margin-bottom:24px;overflow:hidden}.ficha-header-top{color:#fff;background:linear-gradient(135deg,#1a2332 0%,#2d4156 100%);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding:32px;display:flex}.ficha-header-top h1{font-size:36px;font-weight:800}.ficha-price-block{text-align:right}.ficha-price-block .price{color:var(--color-primary);font-size:40px;font-weight:800}.ficha-price-block .price-iva{color:var(--color-text-secondary);font-size:16px;font-weight:600}.ficha-price-block .unit{opacity:.7;font-size:14px}.ficha-header-badges{background:var(--color-bg);flex-wrap:wrap;gap:12px;padding:20px 32px;display:flex}.ficha-badge{border-radius:20px;padding:6px 16px;font-size:13px;font-weight:600}.ficha-badge.gwp{background:var(--color-primary-light);color:var(--color-primary-dark)}.ficha-badge.tax-yes{color:var(--color-badge-tax);background:#fef2f2}.ficha-badge.tax-no{color:var(--color-badge-notax);background:#f0fdf4}.ficha-content{grid-template-columns:1fr 1fr;gap:24px;display:grid}.ficha-section{background:var(--color-white);border-radius:var(--radius);box-shadow:var(--shadow-sm);border:1px solid var(--color-border);padding:28px}.ficha-section.full{grid-column:1/-1}.ficha-section h2{color:var(--color-text);align-items:center;gap:8px;margin-bottom:16px;font-size:16px;font-weight:700;display:flex}.ficha-section h2 .icon{background:var(--color-primary-light);border-radius:6px;justify-content:center;align-items:center;width:28px;height:28px;font-size:14px;display:flex}.ficha-detail-row{border-bottom:1px solid var(--color-border);justify-content:space-between;padding:10px 0;font-size:14px;display:flex}.ficha-detail-row:last-child{border-bottom:none}.ficha-detail-row .label{color:var(--color-text-secondary)}.ficha-detail-row .value{color:var(--color-text);text-align:right;max-width:60%;font-weight:600}.ficha-argumento{color:var(--color-text-secondary);background:var(--color-primary-light);border-radius:var(--radius-sm);border-left:4px solid var(--color-primary);padding:16px;font-size:15px;line-height:1.7}.info-banner{border-radius:var(--radius-sm);background:#fffbeb;border:1px solid #fde68a;border-left:4px solid #f59e0b;align-items:flex-start;gap:16px;margin-bottom:32px;padding:20px 24px;font-size:14px;line-height:1.6;display:flex}.info-banner-icon{flex-shrink:0;margin-top:2px;font-size:24px}.info-banner-content strong{color:#92400e;margin-bottom:4px;font-size:15px;display:block}.info-banner-content p{color:#78350f;margin:0}.gas-card--destacado{border:2px solid var(--color-primary);box-shadow:var(--shadow-md);position:relative}.gas-card--destacado:hover{border-color:var(--color-primary-dark)}.gas-card-ribbon{background:var(--color-primary);color:#fff;text-align:center;letter-spacing:.3px;padding:6px 0;font-size:13px;font-weight:700}.recomendacion-block{background:var(--color-white);border-radius:var(--radius);box-shadow:var(--shadow-sm);border:1px solid var(--color-border);border-left:5px solid var(--color-primary);margin-top:48px;padding:36px 40px}.recomendacion-badge{background:var(--color-primary);color:#fff;text-transform:uppercase;letter-spacing:.5px;border-radius:20px;margin-bottom:16px;padding:4px 14px;font-size:12px;font-weight:700;display:inline-block}.recomendacion-block h3{color:var(--color-text);margin-bottom:16px;font-size:22px;font-weight:700}.recomendacion-block p{color:var(--color-text-secondary);margin-bottom:12px;font-size:15px;line-height:1.8}.recomendacion-block p:last-child{margin-bottom:0}.recomendacion-destacado{background:var(--color-primary-light);border-radius:var(--radius-sm);margin-top:8px;padding:12px 16px;font-weight:600;color:var(--color-text)!important}.footer{color:#fff9;text-align:center;background:#1a2332;margin-top:60px;padding:32px 24px;font-size:14px}.footer strong{color:#fff}.loading{text-align:center;color:var(--color-text-secondary);padding:80px 24px}.loading-spinner{border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;width:40px;height:40px;margin:0 auto 16px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.error-msg{text-align:center;border-radius:var(--radius);color:var(--color-badge-tax);background:#fef2f2;padding:40px;font-weight:500}@media (width<=768px){.header{padding:0 16px}.header-inner{height:60px}.header-logo-company{font-size:16px}.header-logo-sub{font-size:11px}.header-nav a{display:none}.hero{padding:40px 20px}.hero h1{font-size:26px}.hero p{font-size:16px}.container{padding:24px 16px}.gas-grid{grid-template-columns:1fr;gap:16px}.gas-card-header{padding:16px 20px}.gas-card-name{font-size:20px}.gas-card-body{padding:20px}.gas-card-price{font-size:28px}.gas-card-price-row{flex-wrap:wrap;gap:6px}.gas-card-footer{flex-wrap:wrap;gap:8px}.info-banner{flex-direction:column;gap:8px;padding:16px}.recomendacion-block{margin-top:32px;padding:24px 20px}.recomendacion-block h3{font-size:18px}.ficha-content{grid-template-columns:1fr;gap:16px}.ficha-header-top{flex-direction:column;align-items:flex-start;padding:24px 20px}.ficha-header-top h1{font-size:26px}.ficha-price-block{text-align:left}.ficha-price-block .price{font-size:32px}.ficha-header-badges{gap:8px;padding:16px 20px}.ficha-badge{padding:5px 12px;font-size:12px}.ficha-section{padding:20px}.ficha-detail-row{flex-direction:column;gap:2px;padding:10px 0}.ficha-detail-row .value{text-align:left;max-width:100%}.footer{margin-top:40px;padding:24px 16px;font-size:13px}}@media (width<=400px){.header-inner{height:56px}.header-logo svg{width:32px;height:32px}.header-logo-company{font-size:15px}.header-logo{gap:8px}.lang-switcher{margin-left:4px}.lang-btn{padding:4px 8px;font-size:11px}.hero{padding:32px 16px}.hero h1{font-size:22px}.hero p{font-size:14px}.section-title{font-size:20px}.section-subtitle{margin-bottom:20px;font-size:13px}.gas-card-price{font-size:24px}.gas-card-name{font-size:18px}.gas-card-header{padding:14px 16px}.gas-card-body{padding:16px}.gas-card-desc{-webkit-line-clamp:3;font-size:13px}.recomendacion-block{padding:20px 16px}.recomendacion-block h3{font-size:16px}.recomendacion-block p{font-size:14px}.recomendacion-badge{padding:3px 10px;font-size:11px}.ficha-header-top h1{font-size:22px}.ficha-price-block .price{font-size:28px}.ficha-section h2{font-size:15px}.info-banner{padding:14px;font-size:13px}}