.maintenance-page[data-astro-cid-zpmfftlf]{background:var(--paper)}.maintenance-breadcrumb[data-astro-cid-zpmfftlf]{padding:14px 0;background:var(--night);color:#ffffffb8}.maintenance-breadcrumb[data-astro-cid-zpmfftlf] nav[data-astro-cid-zpmfftlf]{display:flex;flex-wrap:wrap;gap:9px;align-items:center;font-size:.86rem}.maintenance-breadcrumb[data-astro-cid-zpmfftlf] a[data-astro-cid-zpmfftlf]{color:var(--heat-soft)}.maintenance-breadcrumb[data-astro-cid-zpmfftlf] strong[data-astro-cid-zpmfftlf]{color:var(--white)}.maintenance-hero[data-astro-cid-zpmfftlf]{padding:clamp(74px,11vw,144px) 0 82px;background:linear-gradient(115deg,#14243ffa,#14243fb8),url(/images/Background_Images/hvac_tools_flat_lay_background.jpg) center / cover;color:var(--white)}.maintenance-hero-grid[data-astro-cid-zpmfftlf]{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(300px,.9fr);gap:clamp(28px,6vw,78px);align-items:center}.maintenance-hero-copy[data-astro-cid-zpmfftlf]{min-width:0}.maintenance-hero[data-astro-cid-zpmfftlf] h1[data-astro-cid-zpmfftlf]{max-width:760px;color:var(--white)!important;font-size:clamp(2.8rem,6vw,5.8rem);line-height:.99}.maintenance-hero[data-astro-cid-zpmfftlf] .eyebrow[data-astro-cid-zpmfftlf],.maintenance-safety[data-astro-cid-zpmfftlf] .eyebrow[data-astro-cid-zpmfftlf]{color:var(--heat-soft)!important}.maintenance-hero[data-astro-cid-zpmfftlf] .lede[data-astro-cid-zpmfftlf]{max-width:720px;color:#ffffffd6;font-size:clamp(1.06rem,1.8vw,1.3rem);line-height:1.62}.maintenance-actions[data-astro-cid-zpmfftlf]{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}.maintenance-primary[data-astro-cid-zpmfftlf],.maintenance-secondary[data-astro-cid-zpmfftlf]{display:inline-flex;min-height:48px;align-items:center;justify-content:center;padding:12px 18px;border-radius:8px;font-weight:900}.maintenance-primary[data-astro-cid-zpmfftlf]{background:var(--heat);color:var(--white);box-shadow:0 12px 28px #f64b1b40}.maintenance-secondary[data-astro-cid-zpmfftlf]{border:1px solid rgba(255,255,255,.34);color:var(--white);background:#ffffff14}.maintenance-answer-card[data-astro-cid-zpmfftlf]{padding:28px;border:1px solid rgba(255,255,255,.24);border-radius:12px;background:#14243f9e}.maintenance-answer-card[data-astro-cid-zpmfftlf] span[data-astro-cid-zpmfftlf],.answer-label[data-astro-cid-zpmfftlf],.card-tag[data-astro-cid-zpmfftlf]{display:block;margin-bottom:12px;color:var(--heat);font-size:.76rem;font-weight:900;letter-spacing:.1em;text-transform:uppercase}.maintenance-answer-card[data-astro-cid-zpmfftlf] p[data-astro-cid-zpmfftlf]{margin:0;color:#ffffffe0;line-height:1.62}.maintenance-answer-band[data-astro-cid-zpmfftlf]{padding:0 0 clamp(42px,7vw,82px);background:var(--night)}.maintenance-answer-panel[data-astro-cid-zpmfftlf]{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,.7fr);gap:clamp(28px,7vw,96px);padding:clamp(28px,5vw,54px);border-radius:14px;background:var(--orange-soft);transform:translateY(-28px);box-shadow:var(--shadow)}.maintenance-answer-panel[data-astro-cid-zpmfftlf] h2[data-astro-cid-zpmfftlf]{margin:0;color:var(--ink);font-size:clamp(2rem,4vw,3.8rem);line-height:1.02}.maintenance-answer-panel[data-astro-cid-zpmfftlf] p[data-astro-cid-zpmfftlf]{margin:0;color:var(--muted);line-height:1.7}.maintenance-section[data-astro-cid-zpmfftlf]{padding:clamp(64px,9vw,106px) 0}.maintenance-paper[data-astro-cid-zpmfftlf]{background:var(--blue-soft);color:var(--ink)}.maintenance-light[data-astro-cid-zpmfftlf]{background:var(--paper);color:var(--ink)}.maintenance-dark[data-astro-cid-zpmfftlf],.maintenance-faq[data-astro-cid-zpmfftlf]{background:var(--night);color:var(--white)}.maintenance-section-head[data-astro-cid-zpmfftlf]{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,.7fr);gap:44px;align-items:end;margin-bottom:32px}.maintenance-section-head[data-astro-cid-zpmfftlf] h2[data-astro-cid-zpmfftlf]{max-width:760px;margin:0;color:var(--ink);font-size:clamp(2.15rem,5vw,4.8rem);line-height:1}.maintenance-section-head[data-astro-cid-zpmfftlf]>p[data-astro-cid-zpmfftlf]{margin:0;color:var(--muted);font-size:1.05rem;line-height:1.65}.maintenance-section-head-light[data-astro-cid-zpmfftlf] h2[data-astro-cid-zpmfftlf]{color:var(--white)}.maintenance-section-head-light[data-astro-cid-zpmfftlf]>p[data-astro-cid-zpmfftlf]{color:#ffffffc7}.maintenance-decision-grid[data-astro-cid-zpmfftlf]{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.maintenance-decision-card[data-astro-cid-zpmfftlf],.maintenance-check-card[data-astro-cid-zpmfftlf],.maintenance-note-card[data-astro-cid-zpmfftlf]{min-width:0;padding:26px;border:1px solid var(--line);border-radius:10px;background:var(--white);box-shadow:var(--shadow)}.maintenance-decision-card[data-astro-cid-zpmfftlf]{min-height:250px}.maintenance-decision-danger[data-astro-cid-zpmfftlf]{border-color:#f64b1b61;background:var(--orange-soft)}.maintenance-decision-card[data-astro-cid-zpmfftlf] h3[data-astro-cid-zpmfftlf],.maintenance-check-card[data-astro-cid-zpmfftlf] h3[data-astro-cid-zpmfftlf],.maintenance-note-card[data-astro-cid-zpmfftlf] h3[data-astro-cid-zpmfftlf],.maintenance-professional-card[data-astro-cid-zpmfftlf] h3[data-astro-cid-zpmfftlf],.maintenance-faq-grid[data-astro-cid-zpmfftlf] h3[data-astro-cid-zpmfftlf]{margin:0 0 10px;color:var(--ink);font-size:1.3rem;line-height:1.08}.maintenance-decision-card[data-astro-cid-zpmfftlf] p[data-astro-cid-zpmfftlf],.maintenance-check-card[data-astro-cid-zpmfftlf] p[data-astro-cid-zpmfftlf],.maintenance-note-card[data-astro-cid-zpmfftlf] p[data-astro-cid-zpmfftlf]{margin:0;color:var(--muted);line-height:1.62}.maintenance-split[data-astro-cid-zpmfftlf]{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,.72fr);gap:clamp(30px,7vw,96px);align-items:start}.maintenance-split[data-astro-cid-zpmfftlf] h2[data-astro-cid-zpmfftlf]{margin:0 0 20px;color:var(--ink);font-size:clamp(2.15rem,5vw,4.8rem);line-height:1}.maintenance-split[data-astro-cid-zpmfftlf]>div[data-astro-cid-zpmfftlf]>p[data-astro-cid-zpmfftlf]{color:var(--muted);line-height:1.7}.maintenance-note-card[data-astro-cid-zpmfftlf]{display:flex;flex-direction:column}.maintenance-note-card[data-astro-cid-zpmfftlf] ul[data-astro-cid-zpmfftlf]{display:grid;gap:10px;margin:0 0 22px;padding-left:20px;color:var(--muted)}.maintenance-note-card[data-astro-cid-zpmfftlf] li[data-astro-cid-zpmfftlf]::marker{color:var(--heat)}.maintenance-note-card[data-astro-cid-zpmfftlf] a[data-astro-cid-zpmfftlf],.maintenance-source-note[data-astro-cid-zpmfftlf] a[data-astro-cid-zpmfftlf],.maintenance-safety-list[data-astro-cid-zpmfftlf] a[data-astro-cid-zpmfftlf]{color:var(--heat);font-weight:900;text-decoration:underline;text-underline-offset:3px}.maintenance-check-grid[data-astro-cid-zpmfftlf]{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.maintenance-check-card[data-astro-cid-zpmfftlf]{min-height:260px}.check-number[data-astro-cid-zpmfftlf]{display:block;margin-bottom:26px;color:var(--heat);font-size:1.5rem;font-weight:900;letter-spacing:.04em}.maintenance-do-not[data-astro-cid-zpmfftlf]{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:28px;margin-top:20px;padding:24px;border:1px solid var(--heat);background:var(--white);box-shadow:var(--shadow)}.maintenance-do-not[data-astro-cid-zpmfftlf] strong[data-astro-cid-zpmfftlf]{color:var(--ink)}.maintenance-do-not[data-astro-cid-zpmfftlf] span[data-astro-cid-zpmfftlf]{color:var(--muted)}.maintenance-professional-grid[data-astro-cid-zpmfftlf]{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.maintenance-professional-card[data-astro-cid-zpmfftlf]{min-height:250px;padding:24px;border:1px solid rgba(255,255,255,.14);border-radius:10px;background:#ffffff0f}.maintenance-professional-card[data-astro-cid-zpmfftlf] h3[data-astro-cid-zpmfftlf]{color:var(--white)}.maintenance-professional-card[data-astro-cid-zpmfftlf] p[data-astro-cid-zpmfftlf]{margin:0;color:#ffffffc2;line-height:1.62}.maintenance-source-note[data-astro-cid-zpmfftlf]{max-width:820px;margin-top:26px;padding-top:18px;border-top:1px solid rgba(255,255,255,.2)}.maintenance-source-note[data-astro-cid-zpmfftlf] p[data-astro-cid-zpmfftlf]{margin:0;color:#ffffffb8;line-height:1.62}.maintenance-safety[data-astro-cid-zpmfftlf]{padding:clamp(64px,9vw,106px) 0;background:var(--paper)}.maintenance-safety-panel[data-astro-cid-zpmfftlf]{display:grid;grid-template-columns:minmax(0,1fr) minmax(240px,.55fr);gap:clamp(28px,7vw,96px);padding:clamp(32px,5vw,60px);border-radius:20px;background:var(--night);color:var(--white)}.maintenance-safety-panel[data-astro-cid-zpmfftlf] h2[data-astro-cid-zpmfftlf]{max-width:760px;margin:0 0 18px;color:var(--white);font-size:clamp(2rem,4vw,3.8rem);line-height:1.02}.maintenance-safety-panel[data-astro-cid-zpmfftlf] p[data-astro-cid-zpmfftlf]{color:#fffc;line-height:1.65}.maintenance-safety-list[data-astro-cid-zpmfftlf]{align-self:end;border-top:1px solid rgba(255,255,255,.22)}.maintenance-safety-list[data-astro-cid-zpmfftlf] p[data-astro-cid-zpmfftlf]{margin:0;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.22)}.maintenance-safety-list[data-astro-cid-zpmfftlf] strong[data-astro-cid-zpmfftlf]{color:var(--heat-soft)}.maintenance-safety-list[data-astro-cid-zpmfftlf] a[data-astro-cid-zpmfftlf]{display:block;padding-top:18px;color:var(--heat-soft)}.maintenance-faq[data-astro-cid-zpmfftlf]{padding-bottom:clamp(70px,9vw,112px)}.maintenance-faq-grid[data-astro-cid-zpmfftlf]{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.maintenance-faq-grid[data-astro-cid-zpmfftlf] article[data-astro-cid-zpmfftlf]{min-width:0;padding:24px;border:1px solid rgba(255,255,255,.14);border-radius:10px;background:#ffffff0f}.maintenance-faq-grid[data-astro-cid-zpmfftlf] h3[data-astro-cid-zpmfftlf]{color:var(--white)}.maintenance-faq-grid[data-astro-cid-zpmfftlf] p[data-astro-cid-zpmfftlf]{margin:0;color:#ffffffc7;line-height:1.62}@media (max-width: 980px){.maintenance-hero-grid[data-astro-cid-zpmfftlf],.maintenance-answer-panel[data-astro-cid-zpmfftlf],.maintenance-split[data-astro-cid-zpmfftlf],.maintenance-safety-panel[data-astro-cid-zpmfftlf],.maintenance-section-head[data-astro-cid-zpmfftlf]{grid-template-columns:1fr}.maintenance-decision-grid[data-astro-cid-zpmfftlf],.maintenance-professional-grid[data-astro-cid-zpmfftlf],.maintenance-check-grid[data-astro-cid-zpmfftlf]{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width: 640px){.maintenance-hero[data-astro-cid-zpmfftlf]{padding-top:82px}.maintenance-hero[data-astro-cid-zpmfftlf] h1[data-astro-cid-zpmfftlf]{font-size:clamp(2.5rem,13vw,4rem)}.maintenance-decision-grid[data-astro-cid-zpmfftlf],.maintenance-check-grid[data-astro-cid-zpmfftlf],.maintenance-professional-grid[data-astro-cid-zpmfftlf],.maintenance-faq-grid[data-astro-cid-zpmfftlf]{grid-template-columns:1fr}.maintenance-decision-card[data-astro-cid-zpmfftlf],.maintenance-check-card[data-astro-cid-zpmfftlf],.maintenance-professional-card[data-astro-cid-zpmfftlf]{min-height:auto}.maintenance-do-not[data-astro-cid-zpmfftlf]{grid-template-columns:1fr;gap:12px}.maintenance-actions[data-astro-cid-zpmfftlf] a[data-astro-cid-zpmfftlf]{width:100%}}