.hvac-page{max-width:1200px;margin:0 auto;padding:24px 28px 80px;color:#183341;font:16px/1.65 Inter,system-ui,sans-serif}.hvac-page *{box-sizing:border-box;min-width:0}.hvac-page a{color:#086181;text-underline-offset:4px}.hvac-breadcrumbs,.hvac-tabs,.hvac-language,.hvac-related{display:flex;flex-wrap:wrap;gap:12px 22px}.hvac-breadcrumbs{font-size:.9rem}.hvac-breadcrumbs>*+*::before{content:'/';color:#74858e;margin-right:12px}.hvac-heading{padding:26px 0 34px;border-bottom:2px solid #173e52}.hvac-eyebrow{font-size:.88rem;letter-spacing:.06em;color:#56717c}.hvac-heading h1{font-size:clamp(2rem,4.8vw,3.5rem);line-height:1.12;letter-spacing:-.035em;margin:10px 0 22px}.hvac-lead{font-size:1.16rem;max-width:940px}.hvac-tabs{margin-top:24px}.hvac-tabs a{padding:8px 0;font-weight:650}.hvac-section{padding:32px 0;border-bottom:1px solid #d5e1e6;scroll-margin-top:90px}.hvac-section h2,.hvac-children h2{font-size:1.65rem;line-height:1.25;margin:0 0 18px}.hvac-section h3{font-size:1.25rem}.hvac-section li{margin-bottom:10px}.hvac-topic-grid,.hvac-family-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.hvac-topic-grid article{border-left:3px solid #0b809b;background:#f4f8fa;padding:20px}.hvac-topic-grid article>a{font-size:1.16rem;font-weight:700}.hvac-topic-grid p{margin:10px 0 0}.hvac-family-grid article{border:1px solid #d5e1e6;border-radius:14px;padding:22px;display:flex;flex-direction:column;background:#fff}.hvac-family-grid h4{font-size:1.15rem;line-height:1.35;margin:10px 0}.hvac-family-grid article>p{margin:8px 0}.hvac-text-link{margin-top:auto;padding-top:16px;font-weight:650}.hvac-meta{color:#58707d;font-size:.9rem}.hvac-brand{margin-top:24px}.hvac-product-image{margin:0 0 18px;max-width:800px}.hvac-product-image img{display:block;width:100%;height:220px;object-fit:contain;background:#fff;border-radius:8px}.hvac-product-image figcaption{font-size:.8rem;line-height:1.5;color:#546b78;margin-top:8px}.hvac-brief{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:24px 0;background:#eef5f8;padding:24px;border-radius:14px}.hvac-brief label{display:grid;gap:8px;font-weight:600}.hvac-wide{grid-column:1/-1}.hvac-brief input,.hvac-brief select,.hvac-brief textarea,.hvac-brief-result textarea{width:100%;font:inherit;border:1px solid #93abb7;border-radius:8px;background:#fff;color:#183341;padding:11px}.hvac-brief textarea,.hvac-brief-result textarea{resize:vertical}.hvac-brief button,.hvac-button{display:inline-flex;align-items:center;justify-content:center;background:#0b607e;color:#fff!important;border:0;border-radius:8px;padding:12px 18px;font:inherit;font-weight:650;cursor:pointer;text-decoration:none;min-height:48px}.hvac-local-note{font-size:.88rem;margin:0;align-self:center}.hvac-brief-result textarea{margin-bottom:18px}.hvac-section details,.hvac-children details{border-top:1px solid #d5e1e6;padding:16px 0}.hvac-section summary,.hvac-children summary{cursor:pointer;font-weight:650;min-height:28px}.hvac-related{margin-bottom:20px}.hvac-language{margin-top:32px}.hvac-notice{padding:16px;background:#fff6e8;border-left:3px solid #bd7d1d}.hvac-children{margin:24px 0}.hvac-children ul{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 24px}.hvac-children li,.hvac-sources li{overflow-wrap:anywhere}.hvac-parent{margin:12px 0}.hvac-page [hidden]{display:none!important}.hvac-page :focus-visible{outline:3px solid #0a8cba;outline-offset:3px}
@media(max-width:640px){.hvac-page{padding:16px 16px 80px}.hvac-topic-grid,.hvac-family-grid,.hvac-brief,.hvac-children ul{grid-template-columns:1fr}.hvac-heading{padding:20px 0 26px}.hvac-section{padding:26px 0}.hvac-topic-grid article,.hvac-family-grid article,.hvac-brief{padding:18px}.hvac-brief button,.hvac-button{width:100%}.hvac-product-image img{height:190px}.hvac-lead{font-size:1rem}.hvac-tabs{gap:10px 20px}.hvac-tabs a{min-height:44px}.hvac-section h2{font-size:1.45rem}}
