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980px){.boiler-hero-grid[data-astro-cid-kuhgcu37],.boiler-intro-grid[data-astro-cid-kuhgcu37],.boiler-decision-grid[data-astro-cid-kuhgcu37],.boiler-safety-grid[data-astro-cid-kuhgcu37]{grid-template-columns:1fr}.boiler-symptom-grid[data-astro-cid-kuhgcu37],.boiler-check-grid[data-astro-cid-kuhgcu37],.boiler-step-grid[data-astro-cid-kuhgcu37]{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width: 640px){.boiler-hero[data-astro-cid-kuhgcu37]{padding-top:78px}.boiler-hero[data-astro-cid-kuhgcu37] 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