/* Boiler field guide. No shared theme or booking-widget styles. */
body.mmos-boiler-pillar{--br-ink:#153e35;--br-paper:#f6edda;--br-gold:#efc780;--br-orange:#b74d21}
body.mmos-boiler-pillar .br,body.mmos-boiler-pillar .br *{box-sizing:border-box}
body.mmos-boiler-pillar .br{width:calc(100% - 24px);max-width:1840px;margin:auto;padding:30px clamp(12px,2.5vw,42px) 50px;color:var(--br-ink);background:#f1e8d4;background-image:radial-gradient(#9b896528 .7px,transparent .8px);background-size:7px 7px;font:18px/1.65 Arial,sans-serif;overflow:clip}
.br [hidden]{display:none!important}.br .br-frame{background:var(--br-paper);border:2px solid var(--br-ink);box-shadow:7px 8px #173c322b;margin-bottom:32px;padding:36px clamp(22px,4vw,66px) 42px;scroll-margin-top:calc(var(--mmos-env-badge-height,76px) + 20px)}
.br :is(h1,h2,h3,h4){font-family:var(--mmos-font-display,Oswald,Impact,sans-serif);font-weight:700;line-height:1.13;letter-spacing:-.015em;text-transform:uppercase;color:inherit;text-shadow:none;-webkit-text-stroke:0;margin:0 0 18px}
.br h1{font-size:clamp(47px,6.4vw,96px)}.br h2{font-size:clamp(31px,3.65vw,55px)}.br h3{font-size:clamp(23px,2.05vw,31px)}.br h4{font-size:21px}
.br :is(h1,h2) em{display:inline-block;font:italic 500 .86em/1.15 Georgia,serif;letter-spacing:-.03em;text-transform:none;margin-top:8px}
.br p{margin:0 0 20px;max-width:1080px}.br a{color:inherit}.br :is(a,button,summary,input):focus-visible{outline:3px solid #de732c;outline-offset:5px}.br .br-lead{font-size:clamp(19px,1.65vw,25px);line-height:1.6;max-width:1050px}.br .br-small{font:13px/1.6 Arial,sans-serif;max-width:1050px;margin-top:20px}
.br .br-folio{display:flex;justify-content:space-between;gap:24px;grid-column:1/-1;border-bottom:1px solid #9d9b7866;padding-bottom:20px;margin-bottom:32px;font:700 11px/1.5 ui-monospace,Consolas,monospace;letter-spacing:.06em}.br .br-kicker{font:700 12px/1.5 ui-monospace,Consolas,monospace;letter-spacing:.08em;color:#a3411b;margin:0 0 14px}
.br .br-dark{background:linear-gradient(120deg,#123f3cf5,#0a353bde),url('/wp-content/uploads/2025/06/Plumber-night-backround.png.webp') center/cover,#143e36;color:#fff2dc}.br .br-dark .br-kicker,.br .br-dark h2 em,.br .br-dark h1 em{color:var(--br-gold)}
.br .br-cover{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:0 55px}.br .br-cover figure{align-self:center;transform:rotate(1.5deg);padding:12px;background:var(--br-paper);color:var(--br-ink);margin:0 0 25px;box-shadow:8px 9px #00292688}.br .br-cover img{display:block;width:100%;height:auto;aspect-ratio:1;object-fit:cover}.br figcaption{padding:14px 10px 7px;font:700 11px/1.6 ui-monospace,monospace}.br figcaption em{font:italic 22px/1.3 Georgia,serif;display:block;margin-top:5px}
.br .br-actions{display:flex;gap:20px;align-items:center;flex-wrap:wrap;margin-top:28px}.br .br-button{display:inline-flex;gap:26px;justify-content:space-between;align-items:center;padding:16px 24px;min-height:54px;background:var(--br-orange);border:1px solid #f2d7a8;box-shadow:4px 5px #06302966;color:#fff5e4;font:700 20px/1.3 var(--mmos-font-display,Oswald,sans-serif);text-transform:uppercase;text-decoration:none}.br .br-button:hover{background:#923b17}.br .br-call{display:inline-block;margin:20px}.br .br-text-link{display:inline-block;font-weight:bold;margin-top:20px}
.br .br-chapters{display:flex;flex-wrap:wrap;gap:12px 25px;grid-column:1/-1;padding-top:22px;margin-top:28px;border-top:1px solid #9d9b7866;font:700 12px/1.6 ui-monospace,monospace}.br .br-chapters a{padding:8px 0;text-underline-offset:6px}
.br .br-emergency{border-left:6px solid #b54a22;background:#fff5de;padding:24px 30px;margin:0 0 32px}.br .br-emergency strong{font-size:22px}.br .br-emergency p{margin:8px 0}.br .br-emergency span{font-weight:bold;font-size:14px}
.br .br-recall{border-top:9px solid var(--br-orange)}.br .br-two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:36px;margin:22px 0}.br .br-three{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;margin:30px 0}.br .br-note{border-left:4px solid #b74d21;padding:8px 0 8px 20px}.br ul{padding-left:23px;margin:0 0 20px}.br li{margin:0 0 9px}
.br details{border-top:1px solid #84917a66;margin:0;padding:0}.br details:last-child{border-bottom:1px solid #84917a66}.br summary{padding:21px 30px 21px 0;cursor:pointer;font-size:18px;font-weight:700;line-height:1.4}.br summary:hover{text-decoration:underline;text-underline-offset:5px}.br details>p{padding:0 0 12px}.br details .br-two{margin:0 0 15px}.br .br-sources{margin-top:35px}.br .br-sources summary{font-size:15px}.br .br-sources li{font-size:14px}.br .br-sources a{overflow-wrap:anywhere}
.br .br-choices,.br .br-part-buttons{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:25px 0 0}.br button{border:1px solid #637b67;background:#fffaef;color:var(--br-ink);padding:15px;min-height:49px;cursor:pointer;font:700 15px/1.4 Arial,sans-serif;border-radius:0}.br button[aria-pressed=true]{background:var(--br-ink);color:#fff4df;border-color:var(--br-ink);box-shadow:inset 0 -4px #c9943d}.br button:hover{border-color:var(--br-orange)}
.br .br-symptom-panels{padding:26px 28px;border:1px solid #77866a;background:#fff8ea;margin-top:12px}.br .br-symptom-panels h3{max-width:950px}.br .br-symptom-panels .br-two{margin-bottom:0}.br .br-symptom-panels p:last-child{margin-bottom:0}
.br .br-system{color:var(--br-ink);background:var(--br-paper);border:1px solid #b8bb95;margin:30px 0 20px}.br .br-system-drawing{max-width:1050px;margin:auto}.br .br-system svg{display:block;width:100%;height:auto}.br .br-system svg text{font:700 13px ui-monospace,monospace;fill:#153e35}.br .br-system svg [data-br-component=boiler] text{fill:#fff4df}.br .br-system svg [data-br-component]{transition:filter .18s}.br .br-system svg .is-active{filter:drop-shadow(0 0 5px #d78b26)}.br .br-part-buttons{margin:0;padding:18px;border-top:1px solid #85947766}.br .br-part-panels{padding:25px 30px 8px;border-top:1px solid #85947766}.br .br-part-panels .br-kicker{color:#9b421e}.br .br-part-panels h3{max-width:950px}.br .br-part-panels .br-two{margin-bottom:15px}
.br .br-guide-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:32px}.br .br-guide-links>a{display:flex;flex-direction:column;background:#e5e8d6;padding:25px;border:1px solid #849579;box-shadow:4px 5px #173c3226;text-decoration:none;gap:7px}.br .br-guide-links strong{font:700 29px/1.2 var(--mmos-font-display,Oswald,sans-serif);text-transform:uppercase}.br .br-guide-links .br-kicker{margin:0}.br .br-guide-links a:hover{background:#d9dfc8}.br .br-guide-links>a>span:last-child{font-size:16px}
.br .br-rows{margin:22px 0}.br .br-rows>div{display:grid;grid-template-columns:minmax(0,.7fr) minmax(0,1.6fr);gap:30px;padding:23px 0;border-bottom:1px solid #8b977966}.br .br-rows p{margin:0}.br .br-rows h3{margin:0}.br .br-record{display:grid;grid-template-columns:1fr 1fr;gap:10px 25px}.br .br-record label{display:flex;gap:14px;align-items:flex-start;padding:15px 0;border-bottom:1px solid #7e8d7466;font:17px/1.5 Arial,sans-serif;text-transform:none;letter-spacing:0;cursor:pointer}.br .br-record input{width:21px;height:21px;flex:none;accent-color:#153e35;margin:3px 0}.br .br-print{margin-top:15px}.br .br-checklist li{margin-bottom:16px}
.br .br-native-feed .mmos-pw-feed{padding:0!important;background:transparent!important;color:#fff4df!important}.br .br-native-feed .mmos-pw-feed>div:first-child{display:none}.br .br-native-feed .mmos-pw-card{background:#f6edda!important;border:8px solid #f6edda!important;border-radius:0!important;color:#153e35!important}.br .br-native-feed .mmos-pw-card-body{background:#f6edda!important;color:#153e35!important}.br .br-native-feed .mmos-pw-card-title{color:#153e35!important;font:700 25px/1.2 var(--mmos-font-display,Oswald,sans-serif)!important}.br .br-native-feed .mmos-pw-card-desc{font:16px/1.55 Arial,sans-serif!important;color:#3a5548!important}.br .br-native-feed .mmos-pw-card-cta{color:#fff3df!important;background:#a74620!important}.br .br-native-feed .mmos-pw-card-photo-label{display:none}
.br .br-areas [id^=mmos-areas-]{padding:0!important;border:0!important;box-shadow:none!important;background:transparent!important;color:#153e35!important}.br .br-areas .mmos-areas-grid{gap:12px!important}.br .br-areas .mmos-area-card{background:#fffaee!important;color:#153e35!important;box-shadow:none!important;border:1px solid #879b7c!important;transform:none!important}.br .br-areas .mmos-area-card strong{color:#153e35!important}.br .br-areas .mmos-areas-head{display:none}
#boiler-guide .br-reviews [id^=mmos-reviews-]{padding:0!important;background:transparent!important;border:0!important;box-shadow:none!important;color:#fff4df!important}#boiler-guide .br-reviews [id^=mmos-reviews-]:before,#boiler-guide .br-reviews [id^=mmos-reviews-]:after{display:none!important}#boiler-guide .br-reviews .mmos-reviews-inner{padding:0!important;max-width:none!important}#boiler-guide .br-reviews :is(.mmos-reviews-heading,.mmos-reviews-kicker,.mmos-reviews-intro){color:#fff4df!important;text-shadow:none!important}#boiler-guide .br-reviews .mmos-reviews-grid{display:grid!important;grid-template-columns:repeat(3,minmax(0,1fr))!important;align-items:start!important;gap:20px!important}#boiler-guide .br-reviews .ti-review-item{width:auto!important;min-width:0!important;height:auto!important;min-height:0!important;padding:24px!important;margin:0!important;background:#fff7e8!important;color:#153e35!important;border:1px solid #daceb7!important;box-shadow:4px 5px #052a2680!important;transform:none!important;border-radius:0!important}#boiler-guide .br-reviews .ti-inner{background:transparent!important;border:0!important;padding:0!important;box-shadow:none!important;height:auto!important;min-height:0!important}#boiler-guide .br-reviews .ti-review-content{color:#153e35!important;font:17px/1.6 Arial,sans-serif!important;margin:16px 0 0!important;padding:0!important;height:auto!important;max-height:none!important}#boiler-guide .br-reviews .ti-name{color:#153e35!important}.br .br-review-fold{display:-webkit-box!important;-webkit-line-clamp:5;-webkit-box-orient:vertical;overflow:hidden!important}.br .br-review-more{font:700 13px/1.5 ui-monospace,monospace;margin-top:16px;padding:9px 0;border:0;border-bottom:1px solid;background:transparent;min-height:40px}#boiler-guide .br-reviews .mmos-reviews-score{padding:15px 20px!important;box-shadow:none!important;min-width:0!important}#boiler-guide .br-reviews .mmos-reviews-score strong{font-size:42px!important}#boiler-guide .br-reviews .mmos-reviews-live>.ti-footer{display:none!important}
.br .br-office{display:grid;grid-template-columns:1fr 1fr;gap:40px}.br .br-office address{font-style:normal;margin:20px 0}.br .br-office iframe{width:100%;height:300px;border:8px solid #fff7e8;display:block}
#boiler-guide #mmos-reviews-96a5f89 .ti-review-content{font:17px/1.6 Arial,sans-serif!important;color:#153e35!important;height:auto!important;max-height:none!important;margin-top:15px!important}
#boiler-guide #mmos-reviews-96a5f89 .ti-review-content.br-review-fold{display:-webkit-box!important;-webkit-line-clamp:5!important;-webkit-box-orient:vertical!important;max-height:8em!important;overflow:hidden!important}
#boiler-guide #mmos-reviews-96a5f89 .br-review-more{color:#153e35!important;background:transparent!important;border:0!important;border-bottom:1px solid #153e35!important;padding:10px 0!important;text-shadow:none!important}
@media(max-width:1050px){.br .br-cover{gap:0 28px}.br .br-frame{padding:28px}.br .br-three{gap:20px}.br .br-areas .mmos-areas-grid{grid-template-columns:repeat(3,minmax(0,1fr))!important}}
@media(max-width:760px){body.mmos-boiler-pillar .br{padding:18px 10px 30px;font-size:16px}.br .br-frame{padding:24px 18px 28px;box-shadow:4px 5px #173c322b;margin-bottom:24px}.br .br-cover{grid-template-columns:1fr}.br h1{font-size:clamp(40px,10vw,67px)}.br .br-cover figure{width:92%;max-width:440px;justify-self:center;margin:30px 0 5px}.br .br-cover img{aspect-ratio:1.25}.br .br-folio{font-size:9px;gap:16px;margin-bottom:25px}.br .br-folio>span:last-child{text-align:right}.br .br-two,.br .br-three,.br .br-guide-links,.br .br-record,.br .br-office{grid-template-columns:1fr;gap:18px}.br .br-choices,.br .br-part-buttons{grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}.br button{font-size:13px;padding:12px 9px}.br .br-chapters{gap:9px 20px;font-size:11px}.br .br-rows>div{grid-template-columns:1fr;gap:8px;padding:20px 0}.br .br-emergency{padding:20px}.br .br-emergency strong{font-size:20px}.br .br-symptom-panels,.br .br-part-panels{padding:22px 17px}.br .br-part-buttons{padding:12px}.br .br-system-drawing{overflow:auto}.br .br-system svg{min-width:500px}.br .br-system-drawing:after{content:'Swipe diagram sideways · Choose a part below';display:block;font:11px/1.5 ui-monospace,monospace;padding:0 14px 14px}#boiler-guide .br-reviews .mmos-reviews-grid{grid-template-columns:1fr!important}.br .br-areas .mmos-areas-grid{grid-template-columns:repeat(2,minmax(0,1fr))!important}.br .br-areas .mmos-area-card{padding:14px!important}.br .br-guide-links>a{padding:20px}.br .br-button{font-size:18px;padding:14px 19px}.br .br-call{margin:22px 0 0;display:block}}
@media(prefers-reduced-motion:reduce){.br *{scroll-behavior:auto!important;transition:none!important}}
@media print{body.br-print-record *{visibility:hidden!important}body.br-print-record #br-service-record,body.br-print-record #br-service-record *{visibility:visible!important}body.br-print-record #br-service-record{position:absolute;top:0;left:0;width:100%;box-shadow:none;background:white;color:black;border:0}body.br-print-record .br-print{display:none!important}}

/* Keep long symptom labels inside their touch targets on narrow screens. */
#boiler-guide .br-choices button{white-space:normal!important;overflow-wrap:break-word;min-width:0;max-width:100%;height:auto;line-height:1.4;text-align:left}

/* All four learning pages are available before the article starts. */
.br .br-lesson-intro{padding:24px clamp(18px,4vw,50px);margin:0 0 28px;background:#e5e8d6;border-left:5px solid var(--br-orange);scroll-margin-top:calc(var(--mmos-env-badge-height,76px) + 20px)}
.br .br-lesson-intro h2{font-size:28px}.br .br-lesson-intro p:last-of-type{margin-bottom:12px}
.br .br-lesson-path{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;list-style:none;padding:0;margin:28px 0}
.br .br-lesson-path li{margin:0;min-width:0}.br .br-lesson-path a{display:block;height:100%;padding:23px;background:#fffaf0;border:1px solid #728773;text-decoration:none;box-shadow:inset 0 -4px #b74d21}
.br .br-lesson-path a:hover{background:#e5e8d6}.br .br-lesson-path span{display:block;font:700 13px/1.5 ui-monospace,monospace;color:#a3411b;margin-bottom:13px}
.br .br-lesson-path strong{display:block;font:700 25px/1.3 var(--mmos-font-display,Oswald,sans-serif);margin-bottom:12px}.br .br-lesson-path p{font-size:16px;margin:0}
.br .br-evidence-steps{padding-left:28px;max-width:1000px}.br .br-evidence-steps li{padding:8px 0 8px 12px}.br .br-evidence-steps li::marker{color:var(--br-gold);font-weight:700}.br .br-evidence-steps h3{font-size:24px;margin-bottom:12px}
.br .br-lesson-next,.br .br-case-actions{display:flex;align-items:center;flex-wrap:wrap;gap:18px 28px;margin:24px 0 12px}.br .br-lesson-next{justify-content:space-between}
.br .br-lesson-next a,.br .br-case-actions a{max-width:100%;white-space:normal;overflow-wrap:break-word}.br .br-case-actions .br-button{font-size:18px;text-transform:none}
.br .br-case{scroll-margin-top:calc(var(--mmos-env-badge-height,76px) + 20px)}.br .br-case summary{padding:23px 0;font-size:21px}.br .br-case[open] summary{color:#a3411b}.br .br-case-body{padding:8px 0 24px;max-width:1000px}
.br .br-case-givens{margin:24px 0;background:#e5e8d6;padding:18px 24px}.br .br-case-givens>div{padding:10px 0;border-bottom:1px solid #72877355}.br .br-case-givens>div:last-child{border:0}.br .br-case-givens dt{font-weight:700}.br .br-case-givens dd{margin:4px 0 0;font-size:16px}
.br .br-case-math{padding:20px 23px;border-left:4px solid var(--br-orange);background:#e5e8d6;font:18px/1.7 ui-monospace,monospace;overflow-wrap:break-word}
.br .hw-loaded-case{padding:25px clamp(18px,3vw,44px);background:#e5e8d6;border-bottom:2px solid var(--br-ink)}.br .hw-loaded-case [data-case-title]{font-weight:700;font-size:20px}.br .hw-loaded-case [data-case-status]{font-size:16px}.br .hw-loaded-case [data-case-return]{font-size:15px}
@media(max-width:620px){.br .br-lesson-path{grid-template-columns:1fr}.br .br-lesson-path a{padding:20px}.br .br-case-givens{padding:12px 16px}.br .br-case-math{font-size:16px;padding:16px}.br .br-case summary{font-size:19px}.br .br-lesson-next{align-items:flex-start;flex-direction:column}.br .br-case-actions .br-button{font-size:17px}.br .br-evidence-steps{padding-left:20px}.br .br-evidence-steps li{padding-left:5px}}
.br .br-learning-nav{background:var(--br-paper);border:2px solid var(--br-ink);box-shadow:5px 6px #173c322b;margin:0 0 28px;padding:19px 22px 22px;scroll-margin-top:calc(var(--mmos-env-badge-height,76px) + 20px)}
.br .br-learning-label{display:flex;flex-wrap:wrap;gap:6px 20px;align-items:baseline;max-width:none;margin:0 0 13px;font:700 13px/1.4 ui-monospace,monospace;color:var(--br-ink)}
.br .br-learning-label>span{font:15px/1.4 Arial,sans-serif}
.br .br-learning-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.br .br-learning-grid>a{display:flex;flex-direction:column;gap:7px;min-width:0;padding:17px 18px 13px;border:1px solid #728773;background:#fffaf0;color:var(--br-ink);text-decoration:none;box-shadow:inset 0 -3px #b74d21}
.br .br-learning-title{display:flex;justify-content:space-between;gap:8px;font:700 clamp(21px,1.8vw,29px)/1.2 var(--mmos-font-display,Oswald,sans-serif)}
.br .br-learning-title>span{font:18px/1.4 Arial,sans-serif}
.br .br-learning-description{font:14px/1.45 Arial,sans-serif}
.br .br-learning-action{padding-top:3px;margin-top:auto;font:700 12px/1.4 Arial,sans-serif;text-decoration:underline;text-underline-offset:3px}
.br .br-learning-grid>a:hover{background:#e5e8d6;border-color:var(--br-orange)}
.br .br-learning-grid>a[aria-current=page]{background:var(--br-ink);border-color:var(--br-ink);color:#fff4df;box-shadow:inset 0 -3px var(--br-gold)}
.br .br-learning-grid>a[aria-current=page] .br-learning-action{color:var(--br-gold);text-decoration:none}
@media(max-width:850px){.br .br-learning-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:480px){.br .br-learning-nav{padding:16px 12px;margin-bottom:24px}.br .br-learning-grid{gap:8px}.br .br-learning-grid>a{padding:13px 11px 12px;gap:6px}.br .br-learning-title{font-size:22px;display:block}.br .br-learning-title>span{display:none}.br .br-learning-description{font-size:13px}.br .br-learning-label{font-size:11px}.br .br-learning-label>span{font-size:14px}}