:root{--evergreen-950:#102a25;--evergreen-900:#153a32;--evergreen-800:#205044;--ink:#17201f;--slate:#53615e;--limestone:#f2ecdf;--limestone-deep:#e4dac7;--sage:#dce7dd;--sage-deep:#b8cdbd;--copper:#b96d43;--copper-dark:#965233;--copper-deep:#7b3f27;--white:#fffefa;--line:#153a322b;--shadow:0 20px 60px #102a251a}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--white);color:var(--ink);margin:0;font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.65}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,select,textarea,input{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,select:focus-visible,textarea:focus-visible,input:focus-visible{outline:3px solid var(--copper);outline-offset:3px}.skip-link{z-index:100;background:var(--white);color:var(--evergreen-950);border:2px solid var(--copper);padding:10px 14px;font-weight:800;transition:transform .15s;position:fixed;top:12px;left:16px;transform:translateY(-160%)}.skip-link:focus{transform:translateY(0)}h1,h2,h3,p{margin-top:0}h1,h2,h3{color:var(--evergreen-950);letter-spacing:-.035em;font-family:Georgia,Times New Roman,serif;font-weight:500;line-height:1.08}h1{font-size:clamp(3rem,6vw,5.7rem)}h2{font-size:clamp(2.1rem,3.8vw,3.6rem)}h3{font-size:1.45rem}.shell{width:min(1180px,100% - 40px);margin-inline:auto}.section{padding:100px 0}.limestone-section,.sage-section{background:var(--limestone);padding:100px 0}.sage-section{background:var(--sage)}.site-header{z-index:50;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#fffefaf5;position:sticky;top:0}.header-inner{align-items:center;gap:28px;min-height:80px;display:flex}.brand-link{align-items:center;margin-right:auto;display:flex}.brand-lockup{align-items:center;display:inline-flex}.brand-logo{width:196px;height:auto;display:block}.brand-lockup-compact .brand-logo{width:42px;height:42px}.desktop-nav{align-items:center;gap:24px;font-size:.9rem;font-weight:700;display:flex}.desktop-nav a{border-bottom:2px solid #0000;padding:10px 0}.desktop-nav a:hover{border-color:var(--copper)}.header-action{background:var(--evergreen-900);min-height:44px;color:var(--white);align-items:center;gap:8px;padding:0 16px;font-size:.88rem;font-weight:700;display:inline-flex}.header-action:hover{background:var(--evergreen-800)}.mobile-nav,.mobile-dock{display:none}.eyebrow{color:var(--copper-dark);letter-spacing:.16em;text-transform:uppercase;align-items:center;gap:9px;margin-bottom:20px;font-size:.76rem;font-weight:800;display:inline-flex}.eyebrow i{background:currentColor;width:24px;height:2px}.home-hero{color:var(--white);background:var(--evergreen-950);padding:90px 0 96px;position:relative;overflow:hidden}.home-hero:before{content:"";opacity:.16;background:repeating-linear-gradient(120deg,#0000 0 95px,#ffffff1f 96px 97px);position:absolute;inset:0}.home-hero-grid{grid-template-columns:1.12fr .88fr;align-items:center;gap:62px;display:grid;position:relative}.home-hero h1,.home-hero .eyebrow{color:var(--white)}.home-hero h1{max-width:790px;margin-bottom:24px}.hero-lead{color:#ffffffc9;max-width:690px;font-size:1.18rem}.hero-actions{flex-wrap:wrap;gap:13px;margin:34px 0 28px;display:flex}.button{border:1px solid #0000;justify-content:center;align-items:center;gap:9px;min-height:50px;padding:0 20px;font-size:.9rem;font-weight:800;display:inline-flex}.button-copper{background:var(--copper-dark);color:var(--white)}.button-copper:hover{background:var(--copper-deep)}.button-ghost{color:var(--white);border-color:#ffffff61}.button-ghost:hover{background:#ffffff14}.button-dark{background:var(--evergreen-900);color:var(--white)}.button-outline{border-color:var(--line);color:var(--evergreen-900);background:0 0}.hero-disclosure{border-left:2px solid var(--copper);color:#ffffff9e;max-width:650px;padding-left:14px;font-size:.82rem}.home-hero-visual{min-width:0;padding:12px 12px 0 0;position:relative}.home-hero-visual:before{content:"";border:1px solid #ffffff3d;position:absolute;inset:0 0 12px 12px}.home-hero-visual .editorial-picture{z-index:1;position:relative}.home-hero-visual .editorial-image{border:1px solid #ffffff29}.home-hero-visual>span{z-index:2;background:var(--limestone);color:var(--evergreen-950);letter-spacing:.08em;text-transform:uppercase;padding:8px 11px;font-size:.67rem;font-weight:800;position:absolute;bottom:0;right:0}.home-enquiry-guide{background:#ffffff13;border:1px solid #fff3;overflow:hidden;box-shadow:18px 18px #b96d4321}.enquiry-guide-heading{border-bottom:1px solid #ffffff29;padding:25px 26px 22px}.enquiry-guide-heading>span{color:var(--sage-deep);letter-spacing:.14em;text-transform:uppercase;margin-bottom:9px;font-size:.74rem;font-weight:800;display:block}.enquiry-guide-heading h2{color:var(--white);letter-spacing:-.025em;margin-bottom:8px;font-size:1.72rem}.enquiry-guide-heading p{color:#ffffffa3;margin:0;font-size:.88rem}.home-enquiry-guide ol{margin:0;padding:8px 26px;list-style:none}.home-enquiry-guide li{border-bottom:1px solid #ffffff1f;grid-template-columns:25px 38px 1fr;align-items:center;gap:12px;min-height:70px;display:grid}.home-enquiry-guide li:last-child{border-bottom:0}.home-enquiry-guide li>b{color:var(--copper);font-size:.72rem}.enquiry-guide-icon{width:36px;height:36px;color:var(--sage);background:#dce7dd1f;place-items:center;display:grid}.home-enquiry-guide li>span:last-child{gap:2px;min-width:0;display:grid}.home-enquiry-guide li strong{color:var(--white);font:500 1.08rem/1.2 Georgia,serif}.home-enquiry-guide li small{color:#fff9;font-size:.76rem}.enquiry-guide-link{background:var(--copper);min-height:50px;color:var(--white);justify-content:space-between;align-items:center;padding:0 26px;font-size:.82rem;font-weight:800;display:flex}.enquiry-guide-link:hover{background:var(--copper-dark)}.section-heading{max-width:760px;margin-bottom:44px}.section-heading>span,.scope-panel span{color:var(--copper-dark);letter-spacing:.15em;text-transform:uppercase;margin-bottom:10px;font-size:.75rem;font-weight:800;display:block}.section-heading h2{margin-bottom:15px}.section-heading p{color:var(--slate)}.section-heading.split{justify-content:space-between;align-items:end;gap:30px;max-width:none;display:flex}.section-heading.split>a,.text-link{color:var(--evergreen-800);border-bottom:1px solid var(--evergreen-800);align-items:center;gap:8px;padding-bottom:4px;font-size:.9rem;font-weight:800;display:inline-flex}.route-grid{grid-template-columns:repeat(3,1fr);gap:18px;display:grid}.route-counter-strip{background:var(--evergreen-950);color:var(--white);border-block:1px solid #dce7dd29}.route-counter-grid{grid-template-columns:repeat(3,1fr);min-height:132px;display:grid}.route-counter-grid>div{border-right:1px solid #dce7dd29;align-content:center;gap:7px;min-width:0;padding:28px 34px;display:grid}.route-counter-grid>div:last-child{border-right:0}.route-counter-grid strong{color:var(--copper);font:700 clamp(2.25rem,5vw,3.35rem)/1 Georgia,serif}.route-counter-grid span{color:#ffffffc2;letter-spacing:.1em;text-transform:uppercase;font-size:.78rem;font-weight:800}.route-counter-link{color:#ffffffe6;border-top:1px solid #dce7dd29;grid-column:1/-1;justify-content:center;align-items:center;gap:8px;min-height:50px;padding:13px 34px;font-size:.84rem;font-weight:800;display:inline-flex}.route-counter-link:hover{color:var(--white);background:#ffffff0f}.latest-guidance{margin-top:76px}.latest-guidance-compact{margin-top:0}.latest-guidance-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;display:grid}.latest-guidance-grid article{border:1px solid var(--line);background:var(--white);min-width:0;padding:26px}.article-card-meta,.article-date-line{color:var(--evergreen-800);flex-wrap:wrap;align-items:center;gap:9px 14px;margin:0 0 17px;font-size:.76rem;font-weight:800;display:flex}.article-card-meta span{align-items:center;gap:5px;display:inline-flex}.latest-guidance-grid h3{margin-bottom:12px;font-size:1.42rem}.latest-guidance-grid article>p:not(.article-card-meta){color:var(--slate);margin-bottom:24px;font-size:.92rem}.latest-guidance-grid .text-link{font-size:.84rem}.advice-batch2-hero .article-date-line{color:#ffffffc7}.gas-safety-section{background:var(--white);padding-top:0}.gas-safety-box{border:1px solid #dce7dd33;border-top:5px solid var(--copper);background:var(--evergreen-950);color:var(--white);padding:42px}.gas-safety-box h2{max-width:680px;color:var(--white);margin-bottom:16px;font-size:clamp(2rem,4vw,3rem)}.gas-safety-box p{color:#fffc;max-width:800px;margin-bottom:26px;font-size:1rem;line-height:1.65}.gas-safety-box p a{color:var(--white);text-underline-offset:3px;font-weight:800;text-decoration:underline}.gas-safety-box small{color:#ffffffa8;margin-top:18px;display:block}.route-card{border:1px solid var(--line);background:var(--white);flex-direction:column;min-height:285px;padding:28px;transition:transform .2s,box-shadow .2s,border-color .2s;display:flex}.route-card:hover{border-color:var(--copper);box-shadow:var(--shadow);transform:translateY(-4px)}.route-icon{background:var(--sage);width:48px;height:48px;color:var(--evergreen-900);place-items:center;margin-bottom:36px;display:grid}.route-card strong{color:var(--evergreen-950);font:500 1.55rem/1.15 Georgia,serif}.route-card p{color:var(--slate);font-size:.93rem}.route-action{border-top:1px solid var(--line);color:var(--copper-dark);text-transform:uppercase;letter-spacing:.08em;justify-content:space-between;align-items:center;margin-top:auto;padding-top:17px;font-size:.78rem;font-weight:800;display:flex}.location-layout,.two-column{grid-template-columns:1fr 1fr;align-items:center;gap:80px;display:grid}.location-layout h2,.two-column h2{margin-bottom:24px}.location-layout p,.two-column p{color:var(--slate)}.area-summary-panel{background:#fffefac7;border:1px solid #153a3233;box-shadow:14px 14px #153a320f}.area-summary-heading{border-bottom:1px solid var(--line);align-items:center;gap:14px;padding:24px;display:flex}.area-summary-icon{background:var(--evergreen-900);width:46px;height:46px;color:var(--white);flex:none;place-items:center;display:grid}.area-summary-heading>span:last-child{gap:3px;min-width:0;display:grid}.area-summary-heading strong{color:var(--evergreen-950);font:500 1.22rem/1.2 Georgia,serif}.area-summary-heading small{color:var(--slate);font-size:.78rem}.area-summary-list{padding:7px 24px}.area-summary-list>div{border-bottom:1px solid var(--line);grid-template-columns:26px 1fr auto;align-items:center;gap:11px;min-height:66px;display:grid}.area-summary-list>div:last-child{border-bottom:0}.area-summary-list b{color:var(--copper-dark);font-size:.7rem}.area-summary-list span{gap:1px;display:grid}.area-summary-list strong{color:var(--evergreen-950);font:500 1rem/1.2 Georgia,serif}.area-summary-list small{color:var(--slate);font-size:.73rem}.area-summary-list em{background:var(--sage);color:var(--evergreen-900);letter-spacing:.05em;text-transform:uppercase;padding:5px 8px;font-size:.65rem;font-style:normal;font-weight:800}.area-summary-panel>p{border-top:1px solid var(--line);color:var(--slate);margin:0;padding:17px 24px;font-size:.78rem}.process-grid{border-top:1px solid var(--line);grid-template-columns:repeat(3,1fr);display:grid}.process-grid article{border-right:1px solid var(--line);padding:30px 35px 10px 0}.process-grid article+article{padding-left:35px}.process-grid article:last-child{border:0}.process-grid b{color:var(--copper-dark);font-size:.78rem}.process-grid h3{margin:25px 0 14px}.process-grid p{color:var(--slate);font-size:.93rem}.editorial-picture{background:var(--limestone-deep);width:100%;display:block;overflow:hidden}.editorial-image{aspect-ratio:3/2;object-fit:cover;width:100%;height:auto;display:block}.route-editorial-section{background:var(--white);padding:64px 0 0}.route-editorial-frame{max-width:960px}.route-editorial-frame .editorial-picture{border:1px solid var(--line);box-shadow:16px 16px 0 var(--sage)}.standard-hero,.detail-hero,.legal-hero,.contact-hero{background:var(--limestone);padding:76px 0}.standard-hero-grid,.detail-hero-grid,.contact-hero-grid{grid-template-columns:1.3fr .7fr;align-items:center;gap:70px;display:grid}.standard-hero h1,.detail-hero h1,.contact-hero h1{max-width:850px;margin-bottom:24px;font-size:clamp(2.8rem,5.3vw,5rem)}.standard-hero p,.detail-hero p,.contact-hero p{max-width:730px;color:var(--slate);font-size:1.08rem}.hero-wayfinder{border:1px solid var(--line);border-top:4px solid var(--copper);background:var(--white);grid-template-rows:1fr auto;grid-template-columns:58px 1fr;align-items:start;column-gap:20px;min-height:230px;padding:28px;display:grid;box-shadow:12px 12px #153a320f}.hero-wayfinder-icon{background:var(--evergreen-900);width:58px;height:58px;color:var(--white);place-items:center;display:grid}.hero-wayfinder-copy{align-self:center;gap:8px;display:grid}.hero-wayfinder-copy strong{color:var(--copper-dark);letter-spacing:.13em;text-transform:uppercase;font-size:.72rem}.hero-wayfinder p{color:var(--slate);margin:0;font-size:.92rem}.hero-wayfinder>small{border-top:1px solid var(--line);color:var(--evergreen-800);letter-spacing:.07em;text-transform:uppercase;grid-column:1/-1;margin-top:24px;padding-top:15px;font-size:.68rem;font-weight:800}.scope-panel{border:1px solid var(--line);background:var(--sage);grid-template-columns:1fr 1fr;gap:50px;margin-top:75px;padding:34px;display:grid}.scope-panel h2{margin:0;font-size:2rem}.scope-panel p{color:var(--slate);margin:0}.breadcrumbs{color:var(--slate);flex-wrap:wrap;gap:8px;margin-bottom:50px;font-size:.8rem;display:flex}.breadcrumbs a{text-underline-offset:3px;text-decoration:underline}.breadcrumbs span[aria-current]{color:var(--evergreen-900);font-weight:700}.detail-hero{background:var(--sage)}.urgent-hero{background:var(--evergreen-950)}.urgent-hero h1,.urgent-hero .eyebrow,.urgent-hero .breadcrumbs,.urgent-hero .breadcrumbs span[aria-current]{color:var(--white)}.urgent-hero p{color:#ffffffb8}.alert-panel,.leak-path,.toilet-gauge,.ceiling-diagram,.flush-visual{background:#ffffff12;border:1px solid #fff3;flex-direction:column;justify-content:center;align-items:flex-start;gap:15px;min-height:230px;padding:30px;display:flex}.alert-panel{color:var(--white)}.alert-panel svg{color:var(--copper)}.alert-panel strong{color:var(--white);font:500 1.7rem Georgia,serif}.alert-panel p{font-size:.9rem}.leak-hero{background:var(--limestone)}.leak-path{color:var(--evergreen-900);border-color:var(--line);background:var(--white);align-items:center}.leak-path span{background:var(--sage);align-items:center;gap:8px;width:100%;padding:12px;font-size:.85rem;font-weight:700;display:flex}.toilet-hero{background:var(--sage)}.toilet-gauge{border-color:var(--line);background:var(--white);color:var(--evergreen-900);align-items:center}.toilet-gauge span{gap:6px;width:100%;display:flex}.toilet-gauge i{background:var(--sage);flex:1;height:12px}.toilet-gauge i:nth-child(2){background:var(--sage-deep)}.toilet-gauge i:nth-child(3){background:var(--copper)}.toilet-gauge b{text-transform:uppercase;letter-spacing:.1em;font-size:.8rem}.safety-grid,.pattern-grid,.decision-grid,.value-grid,.locality-grid{grid-template-columns:repeat(3,1fr);gap:18px;display:grid}.safety-grid article,.pattern-grid article,.decision-grid article,.value-grid article,.locality-grid article{border:1px solid var(--line);background:var(--white);padding:28px}.safety-grid svg,.pattern-grid svg,.decision-grid svg,.value-grid svg,.locality-grid svg{color:var(--copper-dark)}.safety-grid h3,.pattern-grid h3,.decision-grid h3,.value-grid h2,.locality-grid h3{margin:25px 0 12px}.safety-grid p,.pattern-grid p,.decision-grid p,.value-grid p,.locality-grid p{color:var(--slate);margin:0;font-size:.92rem}.detail-list{background:var(--white);border:1px solid var(--line);padding:32px}.detail-list h3{margin-bottom:24px}.checklist{gap:14px;margin:0;padding:0;list-style:none;display:grid}.checklist li{border-bottom:1px solid var(--line);align-items:flex-start;gap:11px;padding-bottom:13px;display:flex}.checklist svg{color:var(--copper-dark);flex:none;margin-top:3px}.two-column a:not(.button){color:var(--evergreen-800);text-underline-offset:3px;text-decoration:underline}.reverse>:first-child{order:2}.reverse>:last-child{order:1}.decision-grid article{gap:20px;display:flex}.decision-grid h3{margin-top:0}.decision-grid svg{flex:none}.decision-alert{border-top:4px solid var(--copper)!important}.urgent-strip{background:var(--copper);color:var(--white);padding:25px 0}.urgent-strip .shell{align-items:flex-start;gap:20px;display:flex}.urgent-strip strong{font:500 1.3rem Georgia,serif}.urgent-strip p{color:#ffffffd1;margin:5px 0 0;font-size:.9rem}.ceiling-hero{background:var(--evergreen-950)}.ceiling-hero h1,.ceiling-hero .eyebrow,.ceiling-hero .breadcrumbs,.ceiling-hero .breadcrumbs span[aria-current]{color:var(--white)}.ceiling-hero p{color:#ffffffb8}.ceiling-diagram{color:#fff;border-color:#fff3}.ceiling-diagram span{background:#ffffff17;justify-content:space-between;width:100%;padding:13px;display:flex}.ceiling-diagram i{border-left:2px dashed var(--copper);height:40px;margin-left:50%}.step-list{gap:12px;display:grid}.step-list article{border:1px solid var(--line);grid-template-columns:45px 45px 1fr;align-items:start;gap:20px;padding:25px;display:grid}.step-list b{color:var(--copper-dark)}.step-list svg{color:var(--evergreen-800)}.step-list h3{margin-bottom:8px}.step-list p{color:var(--slate);margin:0}.flush-hero{background:var(--limestone)}.flush-visual{border-color:var(--line);color:var(--evergreen-900);background:#fff;align-items:center}.flush-visual span{text-transform:uppercase;letter-spacing:.12em;font-size:.72rem}.comparison-grid{grid-template-columns:1fr 1fr;gap:18px;display:grid}.comparison-grid article{border:1px solid var(--line);padding:35px}.comparison-grid article:first-child{background:var(--limestone)}.comparison-grid article:last-child{background:var(--sage)}.comparison-grid svg{color:var(--copper-dark)}.comparison-grid h3{margin:25px 0 14px}.comparison-grid p{color:var(--slate)}.comparison-grid span,.comparison-grid a{border-top:1px solid var(--line);color:var(--evergreen-800);padding-top:15px;font-size:.85rem;font-weight:800;display:inline-flex}.answer-card{background:var(--limestone);align-items:flex-start;gap:24px;padding:35px;display:flex}.answer-card svg{color:var(--copper-dark);flex:none}.answer-card h2{margin-bottom:8px;font-size:2rem}.answer-card p{color:var(--slate);margin:0}.area-feature-grid{grid-template-columns:1fr 1fr;gap:20px;display:grid}.area-feature-grid article{border:1px solid var(--line);padding:42px;scroll-margin-top:110px;position:relative;overflow:hidden}.area-index{color:var(--sage);z-index:-1;font:160px/1 Georgia,serif;position:absolute;top:-30px;right:20px}.area-feature-grid h2{font-size:2.7rem}.area-feature-grid p{color:var(--slate)}.area-feature-grid a{color:var(--evergreen-800);border-bottom:1px solid;align-items:center;gap:8px;font-weight:800;display:inline-flex}.locality-grid{margin-top:35px}.coverage-note{border-left:3px solid var(--copper);color:var(--slate);background:#ffffff80;margin:25px 0 0;padding:18px 22px;font-size:.9rem}.batch2-hero{background:var(--limestone)}.problem-batch2-hero{background:var(--sage)}.advice-batch2-hero{background:var(--evergreen-950)}.advice-batch2-hero h1,.advice-batch2-hero .eyebrow,.advice-batch2-hero .breadcrumbs,.advice-batch2-hero .breadcrumbs span[aria-current]{color:var(--white)}.advice-batch2-hero p{color:#ffffffb8}.area-batch2-hero{background:linear-gradient(125deg, var(--sage) 0 72%, var(--limestone) 72%)}.batch2-hero-panel{border:1px solid var(--line);border-top:4px solid var(--copper);background:var(--white);flex-direction:column;justify-content:center;align-items:flex-start;min-height:220px;padding:28px;display:flex}.batch2-hero-panel>span{background:var(--evergreen-900);width:54px;height:54px;color:var(--white);place-items:center;margin-bottom:24px;display:grid}.batch2-hero-panel strong{color:var(--evergreen-950);font:500 1.45rem/1.15 Georgia,serif}.batch2-hero-panel p{color:var(--slate);margin:10px 0 0;font-size:.88rem}.advice-batch2-hero .batch2-hero-panel{background:#ffffff14;border-color:#ffffff2e}.advice-batch2-hero .batch2-hero-panel strong{color:var(--white)}.advice-batch2-hero .batch2-hero-panel p{color:#ffffffad}.advice-batch2-hero .batch2-hero-panel>span{background:var(--copper)}.batch2-observation-grid{grid-template-columns:repeat(3,1fr);gap:18px;display:grid}.batch2-observation-grid article{border:1px solid var(--line);background:var(--white);min-width:0;padding:30px}.batch2-observation-grid article>svg{color:var(--copper-dark)}.batch2-observation-grid article>b{color:var(--copper-dark);letter-spacing:.12em;margin-bottom:18px;font-size:.72rem;display:block}.batch2-observation-grid h3{margin:25px 0 12px}.batch2-observation-grid p{color:var(--slate);margin:0;font-size:.92rem}.ordered-observations article{border-top:4px solid var(--sage-deep)}.ordered-observations article>svg{float:right;margin-top:-39px}.batch2-boundary-copy{color:var(--slate)}.batch2-boundary-copy p:last-child{margin-bottom:0}.batch2-boundary-copy a{color:var(--evergreen-800);text-underline-offset:3px;font-weight:700;text-decoration:underline}.batch2-related .route-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.batch2-related .route-card{min-height:245px}.contact-hero{background:var(--evergreen-950);color:#fff}.contact-hero h1,.contact-hero .eyebrow{color:#fff}.contact-hero p{color:#ffffffb3}.contact-methods{gap:10px;display:grid}.contact-methods a{background:#ffffff12;border:1px solid #ffffff2e;align-items:center;gap:15px;min-width:0;padding:19px;display:flex}.contact-methods svg{color:var(--copper);flex:none}.contact-methods span{min-width:0;display:grid}.contact-methods small{overflow-wrap:anywhere;color:#ffffff9e}.builder-section{background:var(--sage);padding:100px 0;scroll-margin-top:100px}.builder-layout{grid-template-columns:.65fr 1.35fr;align-items:start;gap:60px;display:grid}.builder-intro{position:sticky;top:120px}.builder-intro h2{margin-bottom:20px}.builder-intro>p{color:var(--slate)}.builder-note{background:#ffffff9e;gap:12px;margin-top:30px;padding:20px;display:flex}.builder-note svg{color:var(--copper-dark);flex:none}.builder-note p{margin:0;font-size:.9rem}.builder-card{background:var(--white);border:1px solid var(--line);box-shadow:var(--shadow);padding:32px}.builder-fields{grid-template-columns:1fr 1fr;gap:20px;display:grid}.builder-fields>label,.builder-fields fieldset{border:0;gap:8px;min-width:0;margin:0;padding:0;display:grid}.builder-fields>label>span,.builder-fields legend{color:var(--evergreen-900);font-size:.82rem;font-weight:800}.builder-fields b{background:var(--evergreen-900);color:#fff;place-items:center;width:24px;height:24px;margin-right:6px;font-size:.7rem;display:inline-grid}.builder-fields select,.builder-fields textarea{border:1px solid var(--line);width:100%;color:var(--ink);background:#fff;border-radius:0;padding:13px}.builder-fields select{min-height:50px}.builder-fields textarea{resize:vertical}.builder-fields fieldset,.field-wide{grid-column:1/-1}.radio-row{grid-template-columns:repeat(3,1fr);gap:8px;display:grid}.radio-row label{border:1px solid var(--line);cursor:pointer;padding:12px;font-size:.78rem}.radio-row label.selected{border-color:var(--evergreen-800);background:var(--sage)}.radio-row input{accent-color:var(--evergreen-800);margin-right:7px}.photo-note{background:var(--limestone);gap:12px;margin:24px 0;padding:16px;display:flex}.photo-note svg{color:var(--copper-dark);flex:none}.photo-note p{margin:0;font-size:.85rem}.message-preview{border-left:3px solid var(--copper);background:var(--evergreen-950);color:#fff;padding:20px}.message-preview span{color:var(--sage-deep);text-transform:uppercase;letter-spacing:.12em;font-size:.7rem}.message-preview p{white-space:pre-line;color:#fffc;margin:10px 0 0;font-size:.85rem}.builder-actions{flex-wrap:wrap;gap:10px;margin-top:20px;display:flex}.numbered-note{grid-template-columns:42px 1fr;align-items:center;gap:10px;display:grid}.numbered-note b{color:var(--copper-dark)}.numbered-note p{border-bottom:1px solid var(--line);margin:0;padding:12px 0}.about-hero .shell{max-width:920px;margin-left:max(20px,50% - 590px)}.about-hero p{max-width:780px}.value-grid h2{font-size:1.65rem}.commission-panel{background:var(--white);border:1px solid var(--line);justify-content:space-between;align-items:center;gap:50px;padding:45px;display:flex}.commission-panel div{max-width:750px}.commission-panel p{color:var(--slate)}.commission-panel svg{color:var(--copper);flex:none}.about-route{justify-content:space-between;align-items:center;gap:40px;display:flex}.about-route>div:last-child{align-items:center;gap:20px;display:flex}.legal-hero{background:var(--limestone)}.legal-hero .shell{max-width:900px}.legal-hero h1{font-size:clamp(2.8rem,5vw,4.7rem)}.legal-hero p{max-width:740px;color:var(--slate);font-size:1.08rem}.legal-section{padding:80px 0}.legal-copy{max-width:820px}.legal-copy h2{margin:45px 0 12px;font-size:1.8rem}.legal-copy h2:first-child{margin-top:0}.legal-copy p{color:var(--slate)}.legal-note{border-left:3px solid var(--copper);background:var(--limestone);margin-top:50px;padding:20px}.legal-note a{color:var(--evergreen-800);text-decoration:underline}.not-found{background:var(--limestone);place-items:center;min-height:65vh;padding:100px 0;display:grid}.not-found .shell{text-align:center}.not-found>.shell>svg{color:var(--copper);margin-bottom:20px}.not-found h1{font-size:clamp(2.7rem,5vw,4.5rem)}.not-found p{color:var(--slate)}.not-found div div{justify-content:center;align-items:center;gap:22px;margin-top:30px;display:flex}.enquiry-callout{background:var(--evergreen-950);color:#fff;padding:70px 0}.enquiry-callout-inner{grid-template-columns:1fr auto;align-items:center;gap:60px;display:grid}.enquiry-callout h2,.enquiry-callout .eyebrow{color:#fff}.enquiry-callout h2{margin-bottom:14px}.enquiry-callout p{color:#ffffffb3;margin-bottom:8px}.enquiry-callout small{color:#ffffff7a}.callout-actions{gap:16px;min-width:230px;display:grid}.text-link-light{color:var(--white);justify-content:center;align-items:center;gap:8px;font-size:.86rem;font-weight:800;display:inline-flex}.site-footer{color:#ffffffba;background:#0b211d;padding:70px 0 24px}.footer-grid{grid-template-columns:1.6fr .7fr .7fr 1.25fr;gap:50px;display:grid}.footer-brand-link{background:var(--white);border:1px solid #ffffff29;padding:9px 12px;display:inline-flex}.footer-brand-link .brand-logo{width:205px}.footer-brand-link .brand-symbol{display:none}.footer-about p{max-width:360px;margin-top:22px;font-size:.87rem}.site-footer h2{color:#fff;letter-spacing:.12em;text-transform:uppercase;font:700 .74rem Arial,sans-serif}.site-footer ul{gap:8px;margin:0;padding:0;list-style:none;display:grid}.site-footer a:hover{color:#fff}.footer-contact{align-content:start;gap:11px;display:grid}.footer-contact a{overflow-wrap:anywhere;align-items:center;gap:9px;display:flex}.footer-contact small{color:#ffffff80;margin-top:8px}.footer-bottom{color:#ffffff80;border-top:1px solid #ffffff21;justify-content:space-between;gap:20px;margin-top:50px;padding-top:20px;font-size:.75rem;display:flex}@media (max-width:1020px){.desktop-nav{display:none}.mobile-nav{display:block}.header-action{margin-left:0}.menu-button{border:1px solid var(--line);width:44px;height:44px;color:var(--evergreen-900);background:#fff;place-items:center;display:grid}.menu-backdrop{z-index:52;background:#0b211d85;border:0;position:fixed;inset:80px 0 0}.mobile-menu{z-index:53;width:min(330px,100% - 40px);box-shadow:var(--shadow);background:#fff;padding:12px;display:grid;position:fixed;top:92px;right:20px}.mobile-menu a{border-bottom:1px solid var(--line);align-items:center;min-height:48px;padding:13px;font-weight:700;display:flex}.home-hero-grid,.standard-hero-grid,.detail-hero-grid,.contact-hero-grid{grid-template-columns:1fr}.home-enquiry-guide{width:min(100%,560px)}.route-grid,.safety-grid,.pattern-grid,.value-grid,.locality-grid,.batch2-observation-grid{grid-template-columns:repeat(2,1fr)}.batch2-observation-grid article:last-child{grid-column:1/-1}.builder-layout{grid-template-columns:1fr}.builder-intro{position:static}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}.footer-contact{grid-column:1/-1}}@media (max-width:720px){.route-counter-grid{grid-template-columns:1fr;min-height:0}.route-counter-grid>div{border-bottom:1px solid #dce7dd29;border-right:0;grid-template-columns:68px 1fr;align-items:center;gap:14px;min-height:92px;padding:19px 20px}.route-counter-grid>div:last-child{border-bottom:0}.route-counter-grid strong{font-size:2.25rem}.route-counter-link{text-align:center;padding:15px 20px}.latest-guidance{margin-top:54px}.latest-guidance-compact{margin-top:0}.latest-guidance-grid{grid-template-columns:1fr}.latest-guidance-grid article{padding:23px}.gas-safety-box{padding:28px 22px}html{scroll-padding-bottom:calc(78px + env(safe-area-inset-bottom))}.eyebrow{letter-spacing:.12em;margin-bottom:17px;font-size:.79rem;line-height:1.35}.eyebrow i{flex:none;width:20px}.shell{width:min(100% - 28px,1180px)}.site-header{position:sticky}.header-inner{gap:8px;min-height:68px}.site-header .brand-logo{width:40px;height:40px}.header-action{display:none}.menu-backdrop{inset:68px 0 0}.mobile-menu{width:calc(100% - 28px);top:78px;right:14px}body{padding-bottom:calc(78px + env(safe-area-inset-bottom))}.home-hero{padding:48px 0 54px}.standard-hero,.detail-hero,.contact-hero,.legal-hero{padding:54px 0}.home-hero h1,.standard-hero h1,.detail-hero h1,.contact-hero h1,.legal-hero h1{font-size:clamp(2.45rem,11.5vw,3.35rem);line-height:1.03}.hero-lead,.standard-hero p,.detail-hero p,.contact-hero p,.legal-hero p{font-size:1rem;line-height:1.62}.section,.limestone-section,.sage-section,.builder-section{padding:64px 0}.home-hero-grid{gap:32px}.home-hero-visual{padding:8px 8px 0 0}.home-hero-visual:before{inset:0 0 8px 8px}.home-hero-visual>span{font-size:.61rem}.hero-actions{grid-template-columns:1fr 1fr;gap:8px;margin:28px 0 24px;display:grid}.hero-actions .button{min-width:0;padding-inline:12px;font-size:.79rem}.home-enquiry-guide{box-shadow:none}.enquiry-guide-heading{padding:20px}.enquiry-guide-heading h2{font-size:1.48rem}.home-enquiry-guide ol{padding:5px 20px}.home-enquiry-guide li{min-height:62px}.enquiry-guide-link{padding-inline:20px}.section-heading.split{flex-direction:column;align-items:flex-start}.route-grid,.safety-grid,.pattern-grid,.decision-grid,.value-grid,.locality-grid,.area-feature-grid,.comparison-grid,.batch2-observation-grid,.batch2-related .route-grid{grid-template-columns:1fr}.batch2-observation-grid article:last-child{grid-column:auto}.batch2-hero-panel{min-height:0;padding:22px}.batch2-hero-panel>span{margin-bottom:18px}.area-batch2-hero{background:var(--sage)}.route-card,.batch2-related .route-card{min-height:0;padding:24px}.route-icon{margin-bottom:24px}.route-action{margin-top:22px}.location-layout,.two-column{grid-template-columns:1fr;gap:34px}.reverse>:first-child,.reverse>:last-child{order:initial}.area-summary-panel{box-shadow:none}.process-grid{grid-template-columns:1fr}.process-grid article,.process-grid article+article{border-right:0;border-bottom:1px solid var(--line);padding:25px 0}.route-editorial-section{padding-top:38px}.route-editorial-frame .editorial-picture{box-shadow:8px 8px 0 var(--sage)}.scope-panel{grid-template-columns:1fr;gap:16px;padding:25px}.breadcrumbs{margin-bottom:31px;line-height:1.5}.detail-hero-grid,.standard-hero-grid,.contact-hero-grid{gap:30px}.hero-wayfinder{min-height:0;box-shadow:none;grid-template-columns:48px 1fr;column-gap:15px;padding:22px}.hero-wayfinder-icon{width:48px;height:48px}.hero-wayfinder>small{margin-top:18px}.alert-panel,.leak-path,.toilet-gauge,.ceiling-diagram,.flush-visual{gap:12px;min-height:0;padding:22px}.alert-panel strong{font-size:1.48rem}.step-list article{grid-template-columns:35px 1fr}.step-list article>div{grid-column:2}.commission-panel,.about-route{flex-direction:column;align-items:flex-start;padding:28px}.commission-panel svg{display:none}.about-route>div:last-child{flex-direction:column;align-items:flex-start}.builder-card{padding:20px}.builder-fields{grid-template-columns:1fr}.builder-fields fieldset,.field-wide{grid-column:auto}.radio-row{grid-template-columns:1fr}.builder-actions{display:grid}.enquiry-callout-inner{grid-template-columns:1fr;gap:30px}.footer-grid{grid-template-columns:1fr 1fr}.footer-about,.footer-contact{grid-column:1/-1}.footer-bottom,.not-found div div{flex-direction:column}.mobile-dock{z-index:60;min-height:64px;padding:7px max(8px, env(safe-area-inset-right)) calc(7px + env(safe-area-inset-bottom)) max(8px, env(safe-area-inset-left));border-top:1px solid var(--line);background:#fff;grid-template-columns:1fr 1fr;display:grid;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -8px 30px #102a251f}.mobile-dock a{min-height:50px;color:var(--evergreen-900);justify-content:center;align-items:center;gap:7px;font-size:.8rem;font-weight:800;display:flex}.mobile-dock a:last-child{background:var(--evergreen-900);color:#fff}}@media (max-width:420px){.site-header .brand-logo{width:38px;height:38px}.shell{width:calc(100% - 24px)}.home-hero h1,.standard-hero h1,.detail-hero h1,.contact-hero h1,.legal-hero h1{font-size:clamp(2.3rem,11.7vw,3rem)}.area-summary-heading,.area-summary-list,.area-summary-panel>p{padding-left:19px;padding-right:19px}.area-summary-list>div{grid-template-columns:23px 1fr;padding:10px 0}.area-summary-list em{grid-column:2;justify-self:start}.footer-grid{grid-template-columns:1fr}.footer-about,.footer-contact{grid-column:auto}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}