.furnace-page[data-astro-cid-2lubosa7]{background:var(--paper);color:var(--ink)}.furnace-breadcrumb[data-astro-cid-2lubosa7]{padding:15px 0;border-bottom:1px solid rgba(20,36,63,.1);background:var(--white)}.furnace-breadcrumb[data-astro-cid-2lubosa7] nav[data-astro-cid-2lubosa7]{display:flex;flex-wrap:wrap;align-items:center;gap:9px;color:var(--muted);font-size:.86rem}.furnace-breadcrumb[data-astro-cid-2lubosa7] a[data-astro-cid-2lubosa7]{color:var(--heat);font-weight:800}.furnace-breadcrumb[data-astro-cid-2lubosa7] strong[data-astro-cid-2lubosa7]{color:var(--ink)}.furnace-hero[data-astro-cid-2lubosa7]{padding:clamp(74px,10vw,132px) 0 84px;background:linear-gradient(115deg,#14243ffa,#14243fb8),url(/images/Background_Images/hvac_tools_flat_lay_background.jpg) center / cover;color:var(--white)}.furnace-hero-grid[data-astro-cid-2lubosa7],.furnace-intro-grid[data-astro-cid-2lubosa7],.sizing-grid[data-astro-cid-2lubosa7],.safety-grid[data-astro-cid-2lubosa7],.proposal-grid[data-astro-cid-2lubosa7],.local-grid[data-astro-cid-2lubosa7]{display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,.85fr);gap:clamp(30px,7vw,96px);align-items:center}.furnace-hero-copy[data-astro-cid-2lubosa7]{min-width:0}.eyebrow[data-astro-cid-2lubosa7],.section-kicker[data-astro-cid-2lubosa7]{margin:0 0 14px;color:var(--heat);font-size:.76rem;font-weight:900;letter-spacing:.12em;text-transform:uppercase}.furnace-hero[data-astro-cid-2lubosa7] .eyebrow[data-astro-cid-2lubosa7],.section-head-light[data-astro-cid-2lubosa7] .section-kicker[data-astro-cid-2lubosa7]{color:var(--heat-soft)}.furnace-hero[data-astro-cid-2lubosa7] h1[data-astro-cid-2lubosa7]{max-width:760px;margin:0;color:var(--white)!important;font-size:clamp(3rem,6vw,6rem);line-height:.96;letter-spacing:-.04em}.furnace-lede[data-astro-cid-2lubosa7]{max-width:730px;margin:25px 0 0;color:#ffffffd6;font-size:clamp(1.08rem,1.8vw,1.3rem);line-height:1.64}.furnace-actions[data-astro-cid-2lubosa7]{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.furnace-primary[data-astro-cid-2lubosa7],.furnace-secondary[data-astro-cid-2lubosa7]{display:inline-flex;min-height:48px;align-items:center;justify-content:center;padding:12px 19px;border-radius:8px;font-weight:900}.furnace-primary[data-astro-cid-2lubosa7]{background:var(--heat);color:var(--white);box-shadow:0 12px 28px #f64b1b40}.furnace-secondary[data-astro-cid-2lubosa7]{border:1px solid rgba(255,255,255,.34);background:#ffffff14;color:var(--white)}.furnace-hero-side[data-astro-cid-2lubosa7]{min-width:0}.furnace-hero-media[data-astro-cid-2lubosa7]{margin:0 0 0 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h2[data-astro-cid-2lubosa7],.sizing-grid[data-astro-cid-2lubosa7] h2[data-astro-cid-2lubosa7],.safety-grid[data-astro-cid-2lubosa7] h2[data-astro-cid-2lubosa7],.proposal-grid[data-astro-cid-2lubosa7] h2[data-astro-cid-2lubosa7],.local-card[data-astro-cid-2lubosa7] h2[data-astro-cid-2lubosa7]{max-width:700px;margin:0;color:var(--ink);font-size:clamp(2.15rem,4.4vw,4.5rem);line-height:.99;letter-spacing:-.035em}.furnace-intro-grid[data-astro-cid-2lubosa7]>div[data-astro-cid-2lubosa7]:last-child>p[data-astro-cid-2lubosa7],.sizing-grid[data-astro-cid-2lubosa7]>div[data-astro-cid-2lubosa7]>p[data-astro-cid-2lubosa7],.proposal-grid[data-astro-cid-2lubosa7]>div[data-astro-cid-2lubosa7]>p[data-astro-cid-2lubosa7],.local-card[data-astro-cid-2lubosa7] p[data-astro-cid-2lubosa7]{margin:0 0 18px;color:var(--muted);font-size:1.06rem;line-height:1.7}.text-link[data-astro-cid-2lubosa7],.local-card[data-astro-cid-2lubosa7] a[data-astro-cid-2lubosa7],.sizing-callout[data-astro-cid-2lubosa7] a[data-astro-cid-2lubosa7],.safety-link[data-astro-cid-2lubosa7]{color:var(--heat);font-weight:900;text-decoration:none}.text-link[data-astro-cid-2lubosa7]:hover,.local-card[data-astro-cid-2lubosa7] a[data-astro-cid-2lubosa7]:hover,.sizing-callout[data-astro-cid-2lubosa7] a[data-astro-cid-2lubosa7]:hover,.safety-link[data-astro-cid-2lubosa7]:hover{text-decoration:underline;text-underline-offset:4px}.furnace-reasons[data-astro-cid-2lubosa7],.furnace-sizing[data-astro-cid-2lubosa7],.furnace-local[data-astro-cid-2lubosa7]{padding:clamp(70px,9vw,112px) 0;background:var(--blue-soft)}.section-head[data-astro-cid-2lubosa7]{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,.72fr);gap:44px;align-items:end;margin-bottom:34px}.section-head[data-astro-cid-2lubosa7] h2[data-astro-cid-2lubosa7]{max-width:730px;margin:0;color:var(--ink);font-size:clamp(2.2rem,4.8vw,4.8rem);line-height:.98;letter-spacing:-.035em}.section-head[data-astro-cid-2lubosa7]>p[data-astro-cid-2lubosa7]{margin:0;color:var(--muted);font-size:1.05rem;line-height:1.65}.reason-grid[data-astro-cid-2lubosa7]{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.reason-card[data-astro-cid-2lubosa7]{min-height:280px;padding:28px;border:1px solid var(--line);border-radius:12px;background:var(--white);box-shadow:var(--shadow)}.reason-card[data-astro-cid-2lubosa7] span[data-astro-cid-2lubosa7]{color:var(--heat);font-size:.75rem;font-weight:900;letter-spacing:.1em;text-transform:uppercase}.reason-card[data-astro-cid-2lubosa7] h3[data-astro-cid-2lubosa7],.process-card[data-astro-cid-2lubosa7] h3[data-astro-cid-2lubosa7],.faq-grid[data-astro-cid-2lubosa7] h3[data-astro-cid-2lubosa7]{margin:20px 0 10px;color:var(--ink);font-size:1.45rem;line-height:1.08}.reason-card[data-astro-cid-2lubosa7] p[data-astro-cid-2lubosa7],.process-card[data-astro-cid-2lubosa7] p[data-astro-cid-2lubosa7],.faq-grid[data-astro-cid-2lubosa7] p[data-astro-cid-2lubosa7]{margin:0;color:var(--muted);line-height:1.65}.furnace-process[data-astro-cid-2lubosa7],.furnace-safety[data-astro-cid-2lubosa7],.furnace-faq[data-astro-cid-2lubosa7]{padding:clamp(70px,9vw,112px) 0;background:var(--night);color:var(--white)}.section-head-light[data-astro-cid-2lubosa7] h2[data-astro-cid-2lubosa7]{color:var(--white)}.section-head-light[data-astro-cid-2lubosa7]>p[data-astro-cid-2lubosa7]{color:#ffffffc4}.process-grid[data-astro-cid-2lubosa7]{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;padding:0;margin:0;list-style:none}.process-card[data-astro-cid-2lubosa7]{min-height:300px;padding:25px;border:1px solid rgba(255,255,255,.14);border-radius:10px;background:#ffffff0f}.process-card[data-astro-cid-2lubosa7]>span[data-astro-cid-2lubosa7]{color:var(--heat-soft);font-size:1.45rem;font-weight:900;letter-spacing:.05em}.process-card[data-astro-cid-2lubosa7] h3[data-astro-cid-2lubosa7]{color:var(--white)}.process-card[data-astro-cid-2lubosa7] p[data-astro-cid-2lubosa7]{color:#ffffffbf}.sizing-grid[data-astro-cid-2lubosa7]{align-items:start}.sizing-grid[data-astro-cid-2lubosa7] h2[data-astro-cid-2lubosa7],.safety-grid[data-astro-cid-2lubosa7] h2[data-astro-cid-2lubosa7]{margin-bottom:22px}.sizing-callout[data-astro-cid-2lubosa7]{padding:30px;border:1px solid var(--heat);background:var(--white);box-shadow:var(--shadow)}.sizing-callout[data-astro-cid-2lubosa7]>span[data-astro-cid-2lubosa7]{color:var(--heat);font-size:.75rem;font-weight:900;letter-spacing:.1em;text-transform:uppercase}.sizing-callout[data-astro-cid-2lubosa7] h3[data-astro-cid-2lubosa7]{margin:18px 0 10px;color:var(--ink);font-size:1.8rem;line-height:1.03}.sizing-callout[data-astro-cid-2lubosa7] p[data-astro-cid-2lubosa7]{margin:0 0 20px;color:var(--muted);line-height:1.65}.furnace-safety[data-astro-cid-2lubosa7]{background:linear-gradient(120deg,var(--night),#102c48)}.safety-grid[data-astro-cid-2lubosa7]{align-items:start}.safety-grid[data-astro-cid-2lubosa7] h2[data-astro-cid-2lubosa7]{color:var(--white)}.safety-grid[data-astro-cid-2lubosa7]>div[data-astro-cid-2lubosa7]>p[data-astro-cid-2lubosa7]{margin:0 0 18px;color:#ffffffc7;line-height:1.7}.safety-link[data-astro-cid-2lubosa7]{color:var(--heat-soft)}.safety-list[data-astro-cid-2lubosa7]{border-top:1px solid rgba(255,255,255,.2)}.safety-list[data-astro-cid-2lubosa7] p[data-astro-cid-2lubosa7]{margin:0;padding:19px 0;border-bottom:1px solid rgba(255,255,255,.2);color:#ffffffc2;line-height:1.6}.safety-list[data-astro-cid-2lubosa7] strong[data-astro-cid-2lubosa7]{color:var(--heat-soft)}.proposal-grid[data-astro-cid-2lubosa7]{align-items:start}.proposal-list[data-astro-cid-2lubosa7]{display:grid;gap:0;margin:0;padding:0;border-top:1px solid var(--line);list-style:none}.proposal-list[data-astro-cid-2lubosa7] li[data-astro-cid-2lubosa7]{display:grid;grid-template-columns:24px 1fr;gap:12px;padding:16px 0;border-bottom:1px solid var(--line);color:var(--muted);line-height:1.5}.proposal-list[data-astro-cid-2lubosa7] li[data-astro-cid-2lubosa7] span[data-astro-cid-2lubosa7]{color:var(--heat);font-weight:900}.local-grid[data-astro-cid-2lubosa7]{align-items:stretch}.local-card[data-astro-cid-2lubosa7]{padding:clamp(28px,4vw,44px);border:1px solid var(--line);border-radius:14px;background:var(--white);box-shadow:var(--shadow)}.local-card[data-astro-cid-2lubosa7] h2[data-astro-cid-2lubosa7]{margin-bottom:20px;font-size:clamp(2rem,3.5vw,3.5rem)}.local-card-dark[data-astro-cid-2lubosa7]{border-color:#ffffff24;background:var(--night)}.local-card-dark[data-astro-cid-2lubosa7] h2[data-astro-cid-2lubosa7]{color:var(--white)}.local-card-dark[data-astro-cid-2lubosa7] p[data-astro-cid-2lubosa7]{color:#ffffffc4}.local-card-dark[data-astro-cid-2lubosa7] a[data-astro-cid-2lubosa7]{color:var(--heat-soft)}.faq-grid[data-astro-cid-2lubosa7]{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.faq-grid[data-astro-cid-2lubosa7] article[data-astro-cid-2lubosa7]{min-width:0;padding:25px;border:1px solid rgba(255,255,255,.14);border-radius:10px;background:#ffffff0f}.faq-grid[data-astro-cid-2lubosa7] h3[data-astro-cid-2lubosa7]{margin-top:0;color:var(--white)}.faq-grid[data-astro-cid-2lubosa7] p[data-astro-cid-2lubosa7]{color:#ffffffc2}@media (max-width: 980px){.furnace-hero-grid[data-astro-cid-2lubosa7],.furnace-intro-grid[data-astro-cid-2lubosa7],.sizing-grid[data-astro-cid-2lubosa7],.safety-grid[data-astro-cid-2lubosa7],.proposal-grid[data-astro-cid-2lubosa7],.local-grid[data-astro-cid-2lubosa7]{grid-template-columns:1fr}.reason-grid[data-astro-cid-2lubosa7],.process-grid[data-astro-cid-2lubosa7]{grid-template-columns:repeat(2,minmax(0,1fr))}.furnace-hero-media[data-astro-cid-2lubosa7]{margin-left:0}}@media (max-width: 640px){.furnace-hero[data-astro-cid-2lubosa7]{padding-top:70px}.furnace-hero[data-astro-cid-2lubosa7] h1[data-astro-cid-2lubosa7]{font-size:clamp(2.7rem,13vw,4rem)}.furnace-actions[data-astro-cid-2lubosa7] a[data-astro-cid-2lubosa7]{width:100%}.section-head[data-astro-cid-2lubosa7]{display:block}.section-head[data-astro-cid-2lubosa7]>p[data-astro-cid-2lubosa7]{margin-top:18px}.reason-grid[data-astro-cid-2lubosa7],.process-grid[data-astro-cid-2lubosa7],.faq-grid[data-astro-cid-2lubosa7]{grid-template-columns:1fr}.reason-card[data-astro-cid-2lubosa7],.process-card[data-astro-cid-2lubosa7]{min-height:auto}.furnace-answer-card[data-astro-cid-2lubosa7]{margin-top:-24px}}