.boiler-proposal{--proposal-ink:#07161d;--proposal-paper:#f3f6f5;background:#0b1419;color:#fff}
.boiler-proposal main p{color:#bfccd2}.boiler-proposal h1,.boiler-proposal h2,.boiler-proposal h3{letter-spacing:-.035em}.boiler-proposal h2{font-size:clamp(1.9rem,3.5vw,2.85rem);line-height:1.12;margin:0 0 20px}.boiler-proposal h3{line-height:1.25}.boiler-proposal main a:not(.btn){text-decoration:underline;text-underline-offset:4px}.boiler-proposal a:focus-visible,.boiler-proposal button:focus-visible,.boiler-proposal input:focus-visible,.boiler-proposal summary:focus-visible{outline:3px solid var(--sky);outline-offset:4px}.boiler-proposal section[id],.boiler-proposal div[id]{scroll-margin-top:110px}.boiler-proposal .section{padding:72px 0}.boiler-proposal .eyebrow{color:#78d4fa;font-size:.76rem}.skip-link{position:absolute;left:16px;top:-90px;z-index:1000;background:white;color:#061018;padding:12px}.skip-link:focus{top:10px}.proposal-hero{padding:30px 0 55px}.proposal-crumbs{font-size:.85rem;color:#b1c2cb;margin-bottom:28px}.proposal-hero-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:46px;align-items:start}.proposal-hero h1{font-size:clamp(2.5rem,4.2vw,3.65rem);line-height:1.04;margin:12px 0 20px;max-width:660px}.proposal-hero .hero-lede{font-size:1.16rem;max-width:610px;margin:0 0 20px}.proposal-hero .hero-actions{margin:24px 0 16px}.proposal-photo{margin:26px 0 0;position:relative;border-radius:20px;overflow:hidden}.proposal-photo img{width:100%;height:230px;object-fit:cover;object-position:50% 46%}.proposal-photo figcaption{background:#18252c;padding:9px 16px;font-size:.85rem;color:#ccdae0}.proposal-checks{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px 22px;font-size:.94rem}.proposal-checks li:before{content:'✓';color:#78d4fa;margin-right:8px}.proposal-phone{font-size:1.1rem;font-weight:700}.proposal-phone a{white-space:nowrap}.proposal-form{background:var(--proposal-paper);color:var(--proposal-ink);border-radius:22px;padding:28px;box-shadow:0 20px 50px #0003}.proposal-form h2{font-size:1.6rem;margin-bottom:12px}.boiler-proposal .proposal-form p{color:#43555f}.proposal-form .eyebrow{color:#1e6179}.proposal-form label{display:block;color:#18333e;font-weight:650;font-size:.95rem}.proposal-form input:not([type=checkbox]),.proposal-form textarea{display:block;width:100%;padding:12px;border:1px solid #a6b7bf;background:white;color:#152630;border-radius:8px;font:inherit;margin:5px 0 16px;min-height:48px}.proposal-form textarea{resize:vertical;min-height:85px}.proposal-name-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.proposal-form summary{color:#254552;cursor:pointer;padding:5px 0 14px;font-size:.94rem}.proposal-form .proposal-consent{display:flex;gap:9px;font-weight:400;align-items:start;font-size:.83rem;line-height:1.45;margin:16px 0}.proposal-consent input{width:19px;height:19px;margin:2px 0;flex-shrink:0}.proposal-form .btn{width:100%;font:inherit;font-weight:800;cursor:pointer;border-radius:9px}.proposal-form .form-footnote{font-size:.8rem;line-height:1.5;margin-bottom:0}.enquiry-status{font-weight:650}.proposal-proof{border-block:1px solid #30414a;background:#142229}.proposal-proof-grid{display:grid;grid-template-columns:repeat(4,1fr);padding:25px 0;gap:24px}.proposal-proof strong{font-size:1.75rem;line-height:1.2;display:block;color:white;letter-spacing:-.04em}.proposal-proof span{color:#bfccd2;font-size:.85rem;display:block;max-width:240px;margin-top:5px}.proposal-proof a{color:inherit}.proposal-jumps{display:flex;gap:24px;justify-content:center;flex-wrap:wrap;font-size:.88rem;padding:18px 0;border-bottom:1px solid #283b43}.proposal-intro{max-width:760px;margin-bottom:32px}.proposal-price-grid,.proposal-review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.proposal-price{padding:25px;border:1px solid #3a4b53;border-radius:18px;background:#122128}.proposal-price h3{font-size:1.15rem;margin:6px 0 20px}.proposal-price .price{font-size:2.55rem;color:white;line-height:1.15;font-weight:800;letter-spacing:-.05em;margin:0}.proposal-price .price small{font-size:.85rem;letter-spacing:0;font-weight:400}.proposal-price .price-model{margin:15px 0 0;font-size:1rem}.proposal-price p{font-size:.94rem}.proposal-price .btn{margin-top:10px;display:flex}.proposal-price.featured{border-color:#63c9f6;box-shadow:inset 0 3px #63c9f6}.proposal-price-note{font-size:.88rem;max-width:860px;margin:22px 0}.proposal-split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}.proposal-paper{background:var(--proposal-paper);color:var(--proposal-ink)}.boiler-proposal .proposal-paper p{color:#415761}.boiler-proposal .proposal-paper .eyebrow{color:#24637b}.proposal-video{width:100%;height:auto;aspect-ratio:16/9;border-radius:18px;background:#091014;display:block}.proposal-story blockquote{font-size:1.4rem;line-height:1.35;letter-spacing:-.02em;font-weight:750;margin:24px 0}.proposal-story details{font-size:.94rem;margin-top:16px}.proposal-story summary{cursor:pointer}.proposal-story .story-note{font-size:.85rem}.proposal-review-grid{margin-top:40px}.proposal-review{margin:0;padding:22px;border-radius:15px;background:#e7eeed;border:1px solid #c6d2d5}.proposal-review blockquote{font-size:1.07rem;font-weight:650;line-height:1.55;margin:10px 0 22px}.proposal-review figcaption span{display:block;font-size:.85rem;color:#49616b}.proposal-review a{display:inline-block;font-size:.82rem;margin-top:12px;min-height:24px}.proposal-photo-stack{display:grid;gap:20px}.proposal-photo-stack figure{margin:0}.proposal-photo-stack img{width:100%;height:auto;aspect-ratio:3/2;object-fit:cover;border-radius:18px}.proposal-photo-stack figcaption{font-size:.84rem;margin-top:9px;color:#b9c8cf}.proposal-inclusions{padding:0;list-style:none;counter-reset:included}.proposal-inclusions li{counter-increment:included;border-bottom:1px solid #32434b;padding:18px 0 18px 45px;position:relative}.proposal-inclusions li:before{content:'0' counter(included);position:absolute;left:0;top:20px;color:#79d5fa;font-size:.86rem;font-weight:750}.proposal-inclusions h3{font-size:1.15rem;margin:0 0 7px}.proposal-inclusions p{font-size:1rem;margin:0}.proposal-guarantee{background:#172a32;padding:35px;border:1px solid #40616e;border-radius:22px}.proposal-guarantee-number{display:flex;align-items:center;gap:20px;margin-bottom:20px}.proposal-guarantee-number strong{font-size:6rem;line-height:1;color:#7dd7fa;letter-spacing:-.08em}.proposal-guarantee-number span{max-width:175px;font-size:1.15rem;line-height:1.35}.proposal-guarantee .condition{font-size:.88rem}.proposal-steps{display:grid;grid-template-columns:repeat(3,1fr);list-style:none;gap:28px;padding:0;counter-reset:steps}.proposal-steps li{counter-increment:steps;border-top:1px solid #45616b;padding-top:18px}.proposal-steps li:before{content:'0' counter(steps);font-size:.9rem;color:#2d748f;font-weight:750}.proposal-steps h3{font-size:1.2rem}.proposal-steps p{font-size:1rem}.proposal-choices{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.proposal-choices h3{font-size:1.2rem;margin-bottom:10px}.proposal-choices p{font-size:1rem}.proposal-fuel-note{border-left:3px solid #6dcdf5;padding:10px 0 10px 24px;margin-top:28px}.proposal-local{display:grid;grid-template-columns:1.1fr .9fr;gap:48px}.proposal-owner{display:flex;gap:22px;align-items:center;margin-top:28px}.proposal-owner img{width:88px;height:88px;object-fit:cover;border-radius:50%}.proposal-owner p{margin:4px 0;font-size:.93rem}.proposal-area{background:#14262e;border:1px solid #344e5a;padding:28px;border-radius:20px}.proposal-area h3{margin-top:0}.proposal-faq{max-width:900px;margin:auto}.proposal-faq details{border-bottom:1px solid #35505d;padding:18px 0}.proposal-faq summary{cursor:pointer;font-size:1.07rem;font-weight:700;padding-right:15px;min-height:30px}.proposal-faq details p{max-width:800px}.proposal-final{text-align:center;background:#1b3540;padding:65px 0}.proposal-final p{max-width:670px;margin:20px auto}.proposal-final .hero-actions{justify-content:center}.proposal-sticky{display:none}.boiler-proposal .boiler-quote-starter{padding-top:35px}.boiler-proposal .boiler-quote-intro h2{font-size:2rem}.boiler-proposal .quote-result-note{font-size:1rem}
@media(max-width:1000px){.proposal-hero-grid{gap:28px;grid-template-columns:1fr .9fr}.proposal-form{padding:23px}.proposal-split{gap:30px}.proposal-proof-grid{gap:18px}.proposal-proof strong{font-size:1.5rem}}
@media(max-width:800px){.proposal-hero-grid,.proposal-split,.proposal-local{grid-template-columns:1fr}.proposal-photo img{height:260px}.proposal-price-grid,.proposal-review-grid,.proposal-choices,.proposal-steps{grid-template-columns:1fr}.proposal-proof-grid{grid-template-columns:1fr 1fr;gap:22px}.proposal-jumps{justify-content:flex-start;gap:12px 22px}.proposal-hero{padding-top:20px}.proposal-hero h1{font-size:2.8rem;max-width:570px}.proposal-photo{margin-top:22px}.proposal-form{max-width:none}.proposal-price .btn{max-width:300px}.proposal-review-grid{gap:15px}.proposal-sticky{display:flex;position:fixed;bottom:0;left:0;right:0;padding:10px 4vw calc(10px + env(safe-area-inset-bottom));gap:10px;background:#0b1419f7;border-top:1px solid #4b646f;z-index:60}.proposal-sticky .btn{flex:1;padding:12px 10px;font-size:.94rem}.boiler-proposal{padding-bottom:82px}.proposal-steps{gap:8px}.boiler-proposal .section{padding:52px 0}.proposal-local{gap:28px}.proposal-fuel-note{padding-left:18px}.proposal-hero .hero-actions .btn{width:auto}.proposal-guarantee-number strong{font-size:5rem}}
@media(max-width:380px){.proposal-hero h1{font-size:2.4rem}.proposal-name-grid{grid-template-columns:1fr;gap:0}.proposal-form{padding:20px}.proposal-proof strong{font-size:1.3rem}.proposal-proof span{font-size:.8rem}.proposal-sticky .btn{font-size:.86rem}.proposal-guarantee{padding:24px}}
.proposal-hero-grid{row-gap:0}.proposal-hero-grid>.proposal-form{grid-column:2;grid-row:1 / span 2}.proposal-hero-grid>.proposal-photo{grid-column:1;grid-row:2;margin-top:10px}
@media(max-width:800px){.proposal-hero-grid{gap:26px}.proposal-hero-grid>.proposal-form,.proposal-hero-grid>.proposal-photo{grid-column:auto;grid-row:auto}.proposal-hero-grid>.proposal-photo{margin-top:0}.proposal-hero h1{font-size:2.5rem}.proposal-phone{font-size:1rem}.proposal-hero .hero-lede{font-size:1.08rem}.proposal-hero .hero-actions{gap:10px}.proposal-hero .hero-actions .btn{padding:12px 15px;font-size:.94rem}.proposal-hero .proposal-photo img{height:220px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
.boiler-proposal .boiler-quote-starter{background:#0b1419}
.proposal-price{display:flex;flex-direction:column}.proposal-price .btn{margin-top:auto}.proposal-hero .eyebrow a{color:inherit}
.proposal-paper .proposal-photo-stack figcaption{color:#415761}.proposal-photo-stack img.proposal-photo-portrait{height:360px;aspect-ratio:auto;object-fit:contain;background:#142229}.proposal-photo-stack img.proposal-photo-square{aspect-ratio:1}
.boiler-regional .proposal-name-grid>label{display:flex;flex-direction:column;justify-content:space-between}.boiler-regional .proposal-form input:not([type=checkbox]),.boiler-regional .proposal-form textarea{font-size:16px}
.proposal-photo-team img{object-position:50% 25%}
.proposal-review-featured{padding:32px;border-left:4px solid #277a99;background:#fff}.proposal-story .proposal-review-featured blockquote{font-size:clamp(1.35rem,2.3vw,1.9rem);line-height:1.4;letter-spacing:-.025em;margin:18px 0 26px}.proposal-review-followup{display:grid;grid-template-columns:1fr 1.35fr;gap:32px;align-items:center;border-top:1px solid #c6d2d5;padding-top:28px;margin-top:32px}.proposal-review-followup>p{font-weight:650;max-width:280px}.proposal-review-followup .proposal-review{background:transparent;border:0;padding:0}.proposal-review-followup blockquote{margin-top:8px}.proposal-team-photo{margin:0}.proposal-team-photo img{width:100%;height:auto;display:block;border-radius:18px}.proposal-team-photo figcaption{font-size:.84rem;margin-top:10px;color:#415761}.proposal-story-sleaford .proposal-review-featured{padding:0;border:0;background:transparent}.proposal-story .story-note{margin:28px 0 0}.proposal-photo-stack img.proposal-photo-tall{height:auto;max-height:660px;object-fit:contain}
@media(max-width:800px){.proposal-review-followup{grid-template-columns:1fr;gap:12px}.proposal-review-followup>p{max-width:none;margin:0}.proposal-review-featured{padding:24px}.proposal-story-sleaford .proposal-team-photo{order:2}.proposal-photo-stack img.proposal-photo-tall{max-height:520px}}