/* Corva: confident navy, clear white surfaces, lime actions and friendly turquoise helpers. */
:root{--corva-aqua:#0ca9c1;--corva-aqua-pale:#eaf8fb;--corva-lime:#b4e32b}
body{font-family:Arial,Helvetica,sans-serif}h1,h2,h3{letter-spacing:-.035em}p{line-height:1.8}.wrap{max-width:1280px}.section{padding:80px 0}.eyebrow{font-size:.8125rem;letter-spacing:.115em}.btn{border-radius:9px;min-height:52px;padding:14px 23px}.text-link{font-size:1rem}.navrow{height:90px;gap:21px}.desktop-nav{gap:23px;font-size:.875rem;justify-content:flex-end;margin-right:7px}.desktop-nav>details>summary,.desktop-nav>a{white-space:nowrap}.navdrop>summary{padding:33px 0}.navpanel{top:70px;width:300px;padding:16px}.navpanel a{padding:11px 12px}.navpanel .nav-featured{background:var(--corva-aqua-pale);color:var(--navy);font-weight:700;margin-bottom:7px}.utility-links{gap:22px}.utility-links a{font-size:.8125rem}.testbar{font-size:.8125rem}.testbar strong{font-size:.75rem}.service-card,.partner-card,.region-card,.scope-panel,.topic-card,.plan-card{border-radius:14px}.service-card{transition:box-shadow .2s,border-color .2s,transform .2s}.service-card:hover{box-shadow:0 12px 35px #002a4912}.service-card p,.partner-card p,.article-card p{font-size:1rem}.hero-photo,.editorial-hero .hero-picture img,.project-theme .hero-picture img,.partner-theme .hero-picture img,.heating-theme .hero-picture img{border-radius:20px}.editorial-hero{padding-bottom:54px}.editorial-hero h1{font-size:clamp(2.6rem,4.3vw,4.1rem)}.editorial-hero .intro{font-size:1.125rem;line-height:1.75}.editorial-hero .picture-label{border-radius:12px;left:18px;bottom:20px}.hero-picture .picture-label{max-width:calc(100% - 36px)}.picture-label strong{font-size:1rem}.picture-label span{font-size:.875rem}.page-nav{background:#fff}.page-nav a{font-size:.9375rem;padding:18px 0}.page-nav .nav-label{font-size:.75rem}.photo-tag{border-radius:12px}.section-head{margin-bottom:36px}.section-head h2{font-size:clamp(2rem,3.4vw,3rem)}.check-list li{line-height:1.65}.trust-intro{font-size:1rem}.trust-intro span{font-size:.8125rem}.trust-item small{font-size:.8125rem}.trust-row{min-height:120px}.faq-item summary{padding-top:21px;padding-bottom:21px;font-size:1.0625rem}.faq-item p{padding-bottom:23px}.footer .asset-note{font-size:.75rem}.content-anchor{scroll-margin-top:106px}
.premium-hero{background:var(--navy);color:#fff;overflow:hidden}.premium-hero .wrap{padding-top:52px;padding-bottom:58px}.premium-hero-grid{display:grid;grid-template-columns:1fr 1.03fr;gap:60px;align-items:center}.premium-hero h1{font-size:clamp(3rem,5.1vw,4.7rem);line-height:1.02;max-width:610px;letter-spacing:-.05em}.premium-hero h1 em{font-style:normal;color:var(--corva-lime)}.premium-hero .eyebrow{color:#b9dfec}.premium-hero .intro{font-size:1.125rem;line-height:1.8;max-width:570px;margin-top:25px;color:#d0e0eb}.premium-hero .hero-note{font-size:.875rem;color:#b9d0df;margin-top:22px}.premium-hero .hero-note a{color:#fff;text-decoration:underline}.premium-hero .actions{margin-top:30px}.premium-hero-media{position:relative;margin:0;min-width:0}.premium-hero-media>img{width:100%;height:480px;object-fit:cover;border-radius:22px}.premium-hero-media figcaption{position:absolute;bottom:20px;left:20px;right:20px;background:#fff;padding:20px 23px;border-radius:12px;color:var(--navy);display:flex;align-items:center;gap:14px;box-shadow:0 8px 30px #001c3320}.premium-hero-media figcaption .icon{color:#328188;width:30px;height:30px}.premium-hero-media figcaption strong{display:block;font-size:1.0625rem}.premium-hero-media figcaption span{display:block;color:var(--muted);font-size:.875rem}.service-shortcuts{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:36px;border:1px solid #41637c;border-radius:14px;overflow:hidden}.service-shortcuts a{padding:17px 22px;display:flex;align-items:center;gap:12px;font-size:.9375rem;font-weight:700;border-right:1px solid #41637c;transition:background .2s}.service-shortcuts a:last-child{border:0}.service-shortcuts a:hover{background:#ffffff0e}.service-shortcuts .icon{color:#b4e32b;width:20px}.service-shortcuts a .icon:last-child{margin-left:auto;color:#cfe0e8;width:16px}
.mascot-image{height:auto;object-fit:contain;flex-shrink:0}.mascot-welcome{display:grid;grid-template-columns:180px 1fr auto;align-items:center;gap:38px;background:var(--corva-aqua-pale);border-radius:20px;padding:24px 42px}.mascot-welcome .mascot-image{width:180px;height:176px}.mascot-welcome h2{font-size:2rem;max-width:590px}.mascot-welcome p{font-size:1rem;max-width:610px;margin-top:12px}.mascot-welcome .btn{white-space:nowrap}.mascot-tip{display:flex;gap:22px;align-items:center;border:1px solid #cce8ed;background:var(--corva-aqua-pale);padding:24px 28px;border-radius:15px;margin-top:30px}.mascot-tip .mascot-image{width:87px;height:118px;object-fit:contain}.mascot-tip .tip-label{display:block;color:#13697b;font-weight:700;text-transform:uppercase;letter-spacing:.09em;font-size:.75rem;margin-bottom:8px}.mascot-tip h3{font-size:1.25rem;margin-bottom:10px}.mascot-tip p{font-size:1rem;line-height:1.75}.mascot-tip a{color:var(--blue);text-decoration:underline}.mascot-tip.compact{align-items:flex-start;padding:22px;gap:16px}.mascot-tip.compact .mascot-image{width:60px;height:90px}.mascot-tip.compact p{font-size:.9375rem}.mascot-tip.compact h3{font-size:1.125rem}.faq-intro>.mascot-image{width:92px;height:112px;margin-bottom:20px}.quick-book{position:relative}.quick-book h3{font-size:1.45rem}.quick-book .quick-intro{display:flex;align-items:center;gap:22px}.quick-book .mascot-image{width:67px;height:96px}.mascot-cta-copy{display:flex;gap:26px;align-items:center}.mascot-cta-copy>.mascot-image{width:92px;height:120px}.booking-aside>.mascot-image{width:145px;height:153px;margin:0 auto 25px}.booking-success>.mascot-image{width:155px;height:160px;margin:0 auto 24px}.footer-help-links{display:flex;gap:24px;flex-wrap:wrap;margin-top:24px}.footer-help-links a{font-size:.875rem;text-decoration:underline;color:#c7dce8}
.boiler-hub-hero{background:#ecf5f8;padding-bottom:54px}.boiler-hub-hero .hub-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}.boiler-hub-hero h1{font-size:clamp(2.9rem,4.5vw,4.4rem);line-height:1.04}.boiler-hub-hero h1 em{font-style:normal;color:#147897}.boiler-hub-hero .intro{font-size:1.125rem;margin-top:24px;line-height:1.8}.boiler-hub-hero .hub-photo{position:relative;margin:0}.boiler-hub-hero .hub-photo>img{height:445px;width:100%;object-fit:cover;border-radius:20px}.hub-stamp{position:absolute;bottom:18px;left:18px;background:#fff;padding:17px 22px;border-radius:12px;box-shadow:0 12px 32px #002a4912;display:flex;align-items:center;gap:12px}.hub-stamp .icon{color:#19778b}.hub-stamp strong{display:block}.hub-stamp small{font-size:.8125rem;display:block;color:var(--muted)}.hub-proof{display:flex;flex-wrap:wrap;gap:22px;margin-top:27px;font-size:.875rem;color:#426174}.hub-proof span{display:flex;gap:7px;align-items:center}.hub-proof .icon{height:18px;width:18px;color:#4b8542}.boiler-paths{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.boiler-path{display:flex;flex-direction:column;padding:26px;border:1px solid var(--line);border-radius:14px;background:#fff}.boiler-path:first-child{background:var(--navy);color:#fff;border-color:var(--navy)}.boiler-path>.icon{height:30px;width:30px;color:#1488a2;margin-bottom:25px}.boiler-path:first-child>.icon{color:#b4e32b}.boiler-path h3{font-size:1.45rem}.boiler-path p{font-size:1rem;line-height:1.75;margin:17px 0 25px}.boiler-path:first-child p{color:#c6dce9}.boiler-path .text-link{margin-top:auto}.boiler-path:first-child .text-link{color:#b4e32b}.boiler-path:hover{box-shadow:0 10px 30px #002a4910}.boiler-type-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.boiler-type-card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;display:flex;flex-direction:column}.type-heading{padding:27px 28px;background:#eaf4f7;border-bottom:1px solid var(--line)}.boiler-type-card:nth-child(2) .type-heading{background:#f0f5e6}.boiler-type-card:nth-child(3) .type-heading{background:#edf0f8}.type-heading .type-number{font-size:.75rem;letter-spacing:.12em;font-weight:700;color:#45667a;display:block;margin-bottom:15px}.type-heading h3{font-size:1.7rem}.type-body{padding:27px 28px;display:flex;flex:1;flex-direction:column}.type-body p{font-size:1rem;line-height:1.75}.type-facts{margin:25px 0}.type-facts div{padding:13px 0;border-top:1px solid var(--line)}.type-facts dt{font-size:.8125rem;font-weight:700;color:#183e57}.type-facts dd{margin:5px 0 0;color:var(--muted);font-size:.9375rem;line-height:1.6}.type-body .btn{margin-top:auto;align-self:flex-start}.hub-cost-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:60px;align-items:start}.hub-cost-grid h2{max-width:520px}.hub-cost-grid p{margin-top:22px;font-size:1.0625rem}.cost-factors{counter-reset:factors}.cost-factor{display:grid;grid-template-columns:36px 1fr;gap:18px;padding:22px 0;border-top:1px solid var(--line)}.cost-factor::before{counter-increment:factors;content:counter(factors,decimal-leading-zero);font-size:.875rem;font-weight:700;color:#1686a1;padding-top:3px}.cost-factor h3{font-size:1.2rem}.cost-factor p{margin-top:10px;font-size:1rem}.brand-options{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.brand-option{border:1px solid var(--line);border-radius:14px;background:#fff;padding:26px}.brand-option h3{font-size:1.4rem;line-height:1.15;min-height:50px}.brand-option p{font-size:1rem;margin:18px 0 23px}.brand-option a{font-size:.875rem;color:var(--blue);font-weight:700;text-decoration:underline}.quote-expectations{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}.quote-expectations>div{border-top:3px solid var(--corva-lime);padding:27px;background:#fff;border-radius:0 0 12px 12px}.quote-expectations h3{font-size:1.3rem}.quote-expectations p{margin-top:16px;font-size:1rem}.boiler-banner{padding:40px 44px;background:var(--navy);border-radius:18px;color:white;display:grid;grid-template-columns:1fr auto;align-items:center;gap:30px}.boiler-banner h2{font-size:2rem}.boiler-banner p{color:#c4dbe9;margin-top:14px;max-width:750px}.boiler-banner .eyebrow{color:#b4e32b}.boiler-banner .actions{margin:0;display:block}.boiler-banner .btn{white-space:nowrap}
.advice-directory{display:grid;grid-template-columns:1.15fr .85fr;gap:28px}.advice-lead{display:block;background:var(--navy);color:#fff;border-radius:18px;overflow:hidden}.advice-lead img{width:100%;height:290px;object-fit:cover}.advice-lead>div{padding:30px}.advice-lead .eyebrow,.advice-lead .text-link{color:#b4e32b}.advice-lead h2{font-size:2rem}.advice-lead p{color:#c9dce7;margin:17px 0 23px}.advice-topics{display:flex;flex-direction:column;gap:14px}.advice-topic{background:#f1f6f9;padding:23px 26px;border-radius:13px;display:flex;align-items:center;gap:20px;flex:1}.advice-topic>.icon{height:30px;width:30px;color:#187895}.advice-topic>div{flex:1}.advice-topic h3{font-size:1.3rem}.advice-topic p{font-size:1rem;margin-top:7px}.advice-topic>.icon:last-child{width:20px}.advice-nav{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:33px}.advice-nav a{border:1px solid var(--line);border-radius:30px;font-size:.9375rem;padding:10px 18px;font-weight:700;background:#fff}.advice-nav a:hover{background:var(--navy);color:white}.reading-label{font-size:.8125rem;color:#627d8f;margin-top:18px}.tips-article-hero{background:#ecf6f9;padding-bottom:46px}.tips-heading{display:grid;grid-template-columns:1fr 195px;gap:55px;align-items:center;max-width:1050px}.tips-heading h1{font-size:clamp(2.6rem,4.5vw,4rem);line-height:1.06}.tips-heading .intro{font-size:1.125rem;margin-top:22px;max-width:790px}.tips-heading .mascot-image{width:185px;height:220px}.article-keypoints{border-left:4px solid var(--corva-aqua);background:#edf8fa;padding:24px 28px;border-radius:0 12px 12px 0;margin-bottom:36px}.article-keypoints h2{font-size:1.4rem!important;margin:0 0 18px!important}.article-keypoints ul{margin:0}.article-keypoints li{font-size:1rem;line-height:1.75}.article-content section{margin:0 0 37px}.article-content section h2{margin-top:0}.article-content .article-next{background:#eff5e6;padding:27px;border-radius:14px;margin-top:40px}.article-next h2{font-size:1.5rem}.article-next .btn{margin-top:22px}.source-links{border-top:1px solid var(--line);padding-top:22px;margin-top:35px}.source-links p,.source-links li{font-size:.8125rem;line-height:1.7}.source-links ul{padding-left:18px}.tip-teaser-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.tip-teaser{padding:26px;border:1px solid var(--line);border-radius:14px;background:#fff;display:flex;flex-direction:column}.tip-teaser>.icon{color:#16859e;margin-bottom:24px;height:27px;width:27px}.tip-teaser h3{font-size:1.375rem;line-height:1.23}.tip-teaser p{font-size:1rem;line-height:1.75;margin:17px 0 25px}.tip-teaser .text-link{margin-top:auto}.context-advice .section-head{margin-bottom:25px}.context-advice .tip-teaser h3{font-size:1.25rem}.tip-teaser:hover{border-color:#79b9c5;box-shadow:0 8px 25px #002a4909}.national-intro{max-width:820px;margin-bottom:40px}.national-intro p{margin-top:18px;font-size:1.0625rem}.hero-proof-line{display:flex;gap:22px;flex-wrap:wrap;margin-top:25px;color:#44677c;font-size:.875rem}.hero-proof-line span{display:flex;align-items:center;gap:7px}.hero-proof-line .icon{width:18px;height:18px;color:#398549}
@media(min-width:1500px){.premium-hero .wrap{padding-top:70px;padding-bottom:65px}.premium-hero-media>img{height:520px}}
@media(max-width:1150px){.desktop-nav{gap:15px;font-size:.8125rem}.navrow{gap:17px}.logo{width:145px}.premium-hero-grid{gap:38px}.premium-hero h1{font-size:3.8rem}.brand-options{grid-template-columns:repeat(2,1fr)}.mascot-welcome{grid-template-columns:130px 1fr;gap:25px;padding:28px}.mascot-welcome .mascot-image{width:130px;height:150px}.mascot-welcome>.btn{grid-column:2;justify-self:start}.boiler-paths{grid-template-columns:repeat(2,1fr)}.boiler-hub-hero .hub-grid{gap:38px}.type-body,.type-heading{padding:24px}}
@media(max-width:950px){.desktop-nav{display:none}.mobile-menu-button{display:block}.nav-book{margin-left:auto}.premium-hero-grid{grid-template-columns:1fr 1fr;gap:25px}.premium-hero h1{font-size:3.2rem}.premium-hero-media>img{height:425px}.premium-hero-media figcaption{padding:16px}.premium-hero-media figcaption .icon{display:none}.service-shortcuts a{padding:17px 15px;font-size:.8125rem;gap:8px}.boiler-type-grid{grid-template-columns:1fr}.boiler-type-card{display:grid;grid-template-columns:210px 1fr}.type-body{display:block}.type-facts{display:grid;grid-template-columns:1fr 1fr;gap:18px}.boiler-hub-hero .hub-photo>img{height:400px}.hub-cost-grid{gap:35px}.quote-expectations{grid-template-columns:1fr}.advice-directory{grid-template-columns:1fr 1fr}.advice-lead img{height:245px}.advice-lead h2{font-size:1.7rem}.tips-heading{grid-template-columns:1fr 140px;gap:32px}.tips-heading .mascot-image{width:140px;height:180px}.boiler-banner{grid-template-columns:1fr}.tip-teaser-grid{grid-template-columns:1fr 1fr}.tip-teaser-grid>.tip-teaser:last-child:nth-child(odd){grid-column:1/-1}.cta-row{gap:25px}.mascot-cta-copy{gap:18px}.mascot-cta-copy>.mascot-image{width:75px;height:105px}}
@media(max-width:700px){.section{padding:55px 0}.wrap{padding-left:22px;padding-right:22px}.eyebrow{font-size:.75rem}.navrow{height:76px}.nav-book{font-size:.875rem;padding:11px 15px}.logo{width:137px}.premium-hero .wrap{padding-top:37px;padding-bottom:30px}.premium-hero-grid{grid-template-columns:1fr;gap:30px}.premium-hero h1{font-size:3.35rem;max-width:500px}.premium-hero .intro{font-size:1.0625rem;margin-top:21px}.premium-hero .hero-note{font-size:.8125rem}.premium-hero .actions{gap:10px}.premium-hero .btn{padding:13px 16px;font-size:.9375rem}.premium-hero-media>img{height:330px;border-radius:16px}.premium-hero-media figcaption{bottom:15px;left:15px;right:15px}.premium-hero-media figcaption strong{font-size:.9375rem}.premium-hero-media figcaption span{font-size:.8125rem}.service-shortcuts{grid-template-columns:1fr 1fr;margin-top:25px}.service-shortcuts a{padding:15px;font-size:.875rem}.service-shortcuts a:nth-child(2){border-right:0}.service-shortcuts a:nth-child(-n+2){border-bottom:1px solid #41637c}.trust-row{min-height:105px}.trust-item small{font-size:.75rem}.mascot-welcome{grid-template-columns:95px 1fr;padding:24px 20px;gap:18px}.mascot-welcome .mascot-image{width:95px;height:130px}.mascot-welcome h2{font-size:1.6rem}.mascot-welcome p{font-size:1rem}.mascot-welcome .btn{grid-column:1/-1;justify-self:stretch;white-space:normal}.mascot-tip{padding:23px 20px;gap:17px;align-items:flex-start}.mascot-tip .mascot-image{width:60px;height:93px}.mascot-tip p{font-size:1rem}.faq-intro>.mascot-image{width:66px;height:90px;float:right;margin-left:18px}.mascot-cta-copy>.mascot-image{width:70px;height:95px}.mascot-cta-copy h2{font-size:1.75rem}.mascot-cta-copy p{font-size:1rem}.cta-row .actions{margin-top:22px}.quick-book .quick-intro{gap:17px}.quick-book .mascot-image{width:55px;height:84px}.quick-book h3{font-size:1.3rem}.editorial-hero .intro{font-size:1.0625rem}.page-nav a{font-size:.875rem}.boiler-hub-hero .hub-grid{grid-template-columns:1fr;gap:30px}.boiler-hub-hero h1{font-size:3rem}.boiler-hub-hero .intro{font-size:1.0625rem}.boiler-hub-hero .hub-photo>img{height:310px}.hub-stamp{left:15px;right:15px;bottom:15px;padding:15px}.hub-stamp strong{font-size:.9375rem}.hub-proof{gap:15px;font-size:.8125rem}.boiler-paths{gap:13px}.boiler-path{padding:22px 18px}.boiler-path h3{font-size:1.25rem}.boiler-path p{font-size:1rem;margin:13px 0 21px}.boiler-path .text-link{font-size:.875rem;gap:6px}.boiler-type-card{display:block}.type-heading,.type-body{padding:26px}.type-facts{display:block}.type-facts div{padding:14px 0}.hub-cost-grid{grid-template-columns:1fr;gap:28px}.brand-options{grid-template-columns:1fr 1fr;gap:14px}.brand-option{padding:23px 19px}.brand-option h3{font-size:1.3rem}.brand-option p{font-size:1rem}.boiler-banner{padding:29px;gap:25px}.boiler-banner h2{font-size:1.8rem}.boiler-banner .btn{white-space:normal}.advice-directory{grid-template-columns:1fr;gap:20px}.advice-lead img{height:265px}.advice-lead>div{padding:26px}.advice-topic{padding:23px}.tips-heading{grid-template-columns:1fr 90px;gap:17px}.tips-heading h1{font-size:2.65rem;grid-column:1/-1}.tips-heading .mascot-image{width:90px;height:125px}.tips-heading .intro{font-size:1.0625rem}.tips-heading>div{grid-column:1/-1}.tips-heading>.mascot-image{display:none}.tips-article-hero{padding-bottom:32px}.tip-teaser-grid{grid-template-columns:1fr}.tip-teaser-grid>.tip-teaser:last-child:nth-child(odd){grid-column:auto}.tip-teaser{padding:27px}.article-keypoints{padding:23px}.service-card p,.partner-card p,.article-card p{font-size:1rem}.cards{grid-template-columns:1fr 1fr}.service-card{padding:24px 19px;min-height:0}.service-card h3{font-size:1.2rem}.partner-card h3{font-size:1.2rem}.service-card .text-link,.partner-card .text-link{font-size:.875rem}.booking-steps li{font-size:.8125rem}.fine{font-size:.8125rem}.testbar strong{font-size:.75rem}.footer-help-links{gap:15px}.footer li{font-size:.9375rem}}
@media(max-width:390px){.premium-hero h1{font-size:2.9rem}.boiler-paths,.brand-options,.cards{grid-template-columns:1fr}.mascot-welcome{grid-template-columns:1fr}.mascot-welcome .mascot-image{width:120px;height:128px}.mascot-welcome .btn{grid-column:auto}.mascot-tip .mascot-image{width:45px;height:72px}.mascot-cta-copy>.mascot-image{width:55px;height:85px}.utility .wrap{font-size:.75rem}.nav-book{font-size:.8125rem;padding:11px}.logo{width:120px}.service-shortcuts a{font-size:.8125rem}.service-shortcuts a>.icon:first-child{display:none}}
@media(min-width:1151px){.brand-options{grid-template-columns:repeat(3,1fr)}}
@media(prefers-reduced-motion:reduce){.service-card,.service-shortcuts a{transition:none}}

/* Final spacing and contrast adjustments. */
.premium-hero .hero-proof-line{color:#d4e5ed}.premium-hero .hero-proof-line .icon{color:#b4e32b}.hub-stamp{display:block;max-width:calc(100% - 36px)}.hub-stamp>span{display:block;color:var(--muted);font-size:.875rem;margin-top:4px}.compact-section{padding-top:0;padding-bottom:30px}.context-advice .mascot-tip{margin-top:0;margin-bottom:38px}.article-content .mascot-tip{margin-bottom:37px}.source-links h2{font-size:1.2rem}.type-body .text-link{margin-top:auto}.type-heading p{font-size:.875rem;margin-top:12px;color:#45667a}.hub-cost-grid>.btn,.hub-cost-grid>div>.btn{margin-top:27px}.tips-heading>.mascot-image{aspect-ratio:1}.mascot-tip .text-link{display:inline-flex;margin-top:15px}

/* Boiler library */
.boiler-library-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.boiler-library-card{display:grid;grid-template-columns:minmax(150px,.72fr) minmax(0,1.28fr);min-height:350px;background:#fff;border:1px solid #dbe5ea;border-radius:24px;overflow:hidden;color:var(--ink);text-decoration:none;box-shadow:0 12px 32px rgba(3,42,68,.06);transition:transform .2s ease,box-shadow .2s ease}.boiler-library-card:hover{transform:translateY(-3px);box-shadow:0 18px 42px rgba(3,42,68,.12)}.boiler-library-image{display:grid;place-items:center;padding:28px;background:linear-gradient(145deg,#eef7f9,#fff)}.boiler-library-image img{width:100%;height:265px;object-fit:contain}.boiler-library-copy{padding:30px;display:flex;flex-direction:column;align-items:flex-start}.boiler-library-copy h3{font-size:1.55rem;margin:8px 0 12px}.boiler-library-copy p{margin:0 0 20px;color:var(--muted)}.boiler-library-copy>strong{font-size:1.45rem;color:var(--navy)}.boiler-library-copy>small{display:block;margin:4px 0 20px;color:var(--muted);line-height:1.5}.boiler-library-copy .text-link{margin-top:auto}.boiler-brand-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.boiler-brand-grid>a{display:block;padding:32px;border-radius:22px;background:#fff;border:1px solid #dbe5ea;color:var(--ink);text-decoration:none}.boiler-brand-grid h3{font-size:1.6rem;margin:9px 0 12px}.boiler-brand-grid p{color:var(--muted);min-height:120px}.boiler-model-hero{padding:52px 0 64px;background:linear-gradient(135deg,#e9f7f8 0%,#fff 62%)}.boiler-model-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(300px,.8fr);gap:64px;align-items:center}.boiler-model-grid h1{font-size:clamp(2.7rem,6vw,5.6rem);line-height:.96;max-width:760px;margin:12px 0 24px}.boiler-model-price{display:flex;flex-direction:column;align-items:flex-start;margin:28px 0}.boiler-model-price span{font-size:.9rem;text-transform:uppercase;letter-spacing:.08em;font-weight:800}.boiler-model-price strong{font-size:clamp(2.5rem,5vw,4.2rem);line-height:1;color:var(--navy)}.boiler-model-price small{margin-top:8px;max-width:520px;color:var(--muted);line-height:1.5}.boiler-model-product{position:relative;display:grid;place-items:center;min-height:520px;padding:45px;border-radius:34px;background:#fff;box-shadow:0 24px 60px rgba(3,42,68,.12)}.boiler-model-product img{width:100%;height:410px;object-fit:contain}.boiler-model-product span{font-size:.78rem;color:var(--muted);text-align:center}.boiler-fact-grid,.boiler-detail-columns{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}.boiler-fact-grid article,.boiler-detail-columns>div{padding:34px;border:1px solid #dbe5ea;border-radius:24px;background:#fff}.boiler-fact-grid h2,.boiler-detail-columns h3{margin-top:8px}.manual-callout{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(260px,.7fr);gap:44px;align-items:center;padding:38px;border-radius:26px;background:#fff;border:1px solid #dbe5ea}.manual-callout .actions{justify-content:flex-start}.boiler-help-links{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.boiler-help-links a{display:flex;flex-direction:column;padding:25px;border-radius:20px;background:#fff;border:1px solid #dbe5ea;color:var(--ink);text-decoration:none}.boiler-help-links h3{margin:0 0 10px}.boiler-help-links p{color:var(--muted)}.boiler-help-links span{margin-top:auto;font-weight:800;color:var(--navy)}.manual-safety{max-width:850px}.manual-list{display:grid;gap:16px}.manual-list article{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:24px 28px;border-radius:20px;border:1px solid #dbe5ea;background:#fff}.manual-list h3{margin:6px 0}.manual-list p{margin:0;color:var(--muted)}.brand-option{display:block;color:var(--ink);text-decoration:none}.brand-option .text-link{margin-top:14px}.quote-details-link{display:block;margin:14px 0 4px;text-align:center;font-weight:800;color:var(--navy)}
@media(max-width:1000px){.boiler-library-grid,.boiler-brand-grid{grid-template-columns:1fr 1fr}.boiler-help-links{grid-template-columns:1fr 1fr}.boiler-model-grid{gap:34px}.boiler-model-product{min-height:430px}.boiler-model-product img{height:330px}}
@media(max-width:720px){.boiler-library-grid,.boiler-brand-grid,.boiler-model-grid,.boiler-fact-grid,.boiler-detail-columns,.manual-callout,.boiler-help-links{grid-template-columns:1fr}.boiler-library-card{grid-template-columns:120px 1fr;min-height:310px}.boiler-library-image{padding:16px}.boiler-library-image img{height:210px}.boiler-library-copy{padding:23px}.boiler-library-copy h3{font-size:1.3rem}.boiler-brand-grid>a{padding:26px}.boiler-brand-grid p{min-height:0}.boiler-model-hero{padding:35px 0 45px}.boiler-model-product{min-height:360px;padding:28px;order:-1}.boiler-model-product img{height:285px}.manual-callout{padding:28px}.manual-list article{align-items:flex-start;flex-direction:column}.manual-list .actions{width:100%}.manual-list .btn{width:100%;justify-content:center}}
/* Corva News & Advice */
.news-hub-hero{background:linear-gradient(145deg,#032a44 0%,#064d66 100%);color:#fff;padding:26px 0 76px;overflow:hidden}.news-hub-hero .breadcrumbs,.news-hub-hero .breadcrumbs a{color:#d8edf3}.news-hub-heading{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(260px,.8fr);gap:48px;align-items:end;padding:58px 0 42px}.news-hub-heading h1,.news-article-hero h1{font-size:clamp(2.7rem,6vw,5.35rem);line-height:.98;letter-spacing:-.055em;margin:12px 0 22px}.news-hub-heading .intro{max-width:760px;color:#e9f7fa}.news-hub-badges{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end}.news-hub-badges span{border:1px solid rgba(255,255,255,.32);border-radius:999px;padding:10px 15px;font-size:.9rem;font-weight:750;background:rgba(255,255,255,.08)}
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.news-card{display:flex;flex-direction:column;min-width:0;color:inherit;text-decoration:none;background:#fff;border:1px solid #dfe9ed;border-radius:22px;overflow:hidden;box-shadow:0 16px 42px rgba(3,42,68,.08);transition:transform .2s ease,box-shadow .2s ease}.news-card:hover{transform:translateY(-4px);box-shadow:0 22px 54px rgba(3,42,68,.14)}.news-card figure{margin:0;aspect-ratio:3/2;overflow:hidden;background:#dce8ec}.news-card-image{width:100%;height:100%;object-fit:cover;display:block}.news-card>div{display:flex;flex-direction:column;align-items:flex-start;gap:12px;padding:25px;height:100%}.news-card h2{font-size:clamp(1.3rem,2vw,1.75rem);line-height:1.12;margin:0;color:#032a44}.news-card p{margin:0;color:#52636d}.news-card .text-link{margin-top:auto;padding-top:8px}.news-meta{font-size:.84rem;color:#607682;font-weight:700}.news-card-featured{display:grid;grid-template-columns:1.15fr .85fr;background:#fff;color:#032a44;border:0;box-shadow:0 26px 70px rgba(0,0,0,.24)}.news-card-featured figure{aspect-ratio:auto;min-height:470px}.news-card-featured>div{padding:clamp(28px,5vw,58px);justify-content:center}.news-card-featured h2{font-size:clamp(2rem,4vw,3.6rem);letter-spacing:-.04em}.news-card-featured p{font-size:1.06rem}.news-card-featured .text-link{margin-top:8px}
.news-trust{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}.news-trust h2{font-size:clamp(2rem,4vw,3.3rem);line-height:1.02;letter-spacing:-.04em}.news-trust-image{width:100%;height:auto;aspect-ratio:3/2;object-fit:cover;border-radius:22px;display:block}
.news-article-hero{background:#eef6f7;padding:28px 0 66px}.news-article-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding-top:42px}.news-article-grid h1{font-size:clamp(2.5rem,5vw,4.85rem);color:#032a44}.news-article-grid .intro{max-width:720px;color:#405963}.news-article-grid figure{margin:0}.news-image{width:100%;height:auto;aspect-ratio:3/2;object-fit:cover;border-radius:26px;box-shadow:0 24px 64px rgba(3,42,68,.18);display:block}.news-article-grid figcaption{font-size:.78rem;color:#62747c;margin-top:9px}.news-reading-layout{display:grid;grid-template-columns:minmax(0,760px) minmax(260px,360px);gap:72px;align-items:start;padding-top:72px;padding-bottom:82px}.news-copy>section{padding:0 0 34px;margin:0 0 34px;border-bottom:1px solid #dce7ea}.news-copy h2{font-size:clamp(1.65rem,3vw,2.35rem);line-height:1.12;color:#032a44;margin:0 0 18px}.news-copy p{font-size:1.06rem;line-height:1.72;color:#40545e}.news-note{background:#032a44;color:#fff;border-radius:18px;padding:24px 26px;margin-bottom:42px}.news-note strong{display:block;font-size:1.08rem}.news-note p{color:#e0eff3;margin:8px 0 0;font-size:.96rem}.news-source-panel{background:#eef6f7;border:0!important;border-radius:22px;padding:30px!important}.news-sources{display:grid;gap:12px;padding-left:20px}.news-sources a{font-weight:750;color:#075b73}.news-side{position:sticky;top:118px}.news-side>div{background:#aeea17;border-radius:24px;padding:30px}.news-side h2{color:#032a44;font-size:1.8rem;line-height:1.08}.news-side p{color:#173c4a}.news-side .btn{width:100%;margin-top:10px;justify-content:center}
@media(max-width:900px){.news-hub-heading,.news-card-featured,.news-trust,.news-article-grid,.news-reading-layout{grid-template-columns:1fr}.news-hub-badges{justify-content:flex-start}.news-card-featured figure{min-height:310px}.news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.news-reading-layout{gap:36px}.news-side{position:static}.news-side>div{display:grid;grid-template-columns:1fr 1fr;gap:10px}.news-side h2,.news-side p,.news-side .eyebrow{grid-column:1/-1}}
@media(max-width:620px){.news-hub-hero{padding-bottom:48px}.news-hub-heading{padding:38px 0 30px}.news-grid{grid-template-columns:1fr}.news-card-featured figure{min-height:240px}.news-article-hero{padding-bottom:46px}.news-article-grid{padding-top:28px;gap:30px}.news-reading-layout{padding-top:48px;padding-bottom:56px}.news-side>div{grid-template-columns:1fr}.news-side .btn{grid-column:1}.news-card>div{padding:21px}}