:root{--editorial-ink:#173d37;--editorial-muted:#637570;--editorial-border:#dce6df;--editorial-bg:#f5f8f3}
html{scroll-behavior:smooth}body{overflow-wrap:break-word}a,button,input,select,textarea{touch-action:manipulation}button,a,input,select,textarea,summary{outline-offset:4px}:focus-visible{outline:3px solid #bf8438}.skip-link{position:fixed;top:-100px;left:16px;z-index:9999;background:white;padding:12px}.skip-link:focus{top:8px}.tool-card{border-radius:18px;transition:transform .2s,box-shadow .2s}.tool-card:hover{transform:translateY(-4px);box-shadow:0 14px 34px #163d3712}.tool-card .tool-icon{height:66px;width:66px;font-size:32px;border-radius:18px}.tool-icon i{font-size:32px}.mega-tool>span{width:42px;height:42px;flex-shrink:0}.mega-tool i{font-size:25px}.mega-category h4{letter-spacing:.06em;font-size:12px;color:var(--editorial-ink);border-bottom:1px solid var(--editorial-border);padding-bottom:12px}.mega-menu{max-height:78vh;overflow:auto}.building-menu{position:relative}.building-menu summary{display:flex;align-items:center;gap:8px;cursor:pointer;list-style:none;font-weight:600;white-space:nowrap}.building-menu summary::-webkit-details-marker{display:none}.building-dropdown{position:absolute;top:calc(100% + 22px);left:-20px;min-width:260px;padding:12px;background:#fff;border:1px solid var(--editorial-border);box-shadow:0 18px 50px #12382c20;border-radius:16px;z-index:80}.building-dropdown a{display:flex!important;align-items:center;gap:12px;padding:14px!important;border-radius:8px}.building-dropdown a:hover{background:var(--editorial-bg)}.building-dropdown i{font-size:24px;color:#277366}.editorial-section{padding-top:64px;padding-bottom:24px}.editorial-section .section-heading{align-items:flex-end;gap:24px}.editorial-section .section-heading p{max-width:640px}.editorial-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.editorial-card{min-width:0;border:1px solid var(--editorial-border);border-radius:18px;overflow:hidden;background:#fff;display:flex;flex-direction:column;box-shadow:0 5px 20px #163d3705;transition:box-shadow .2s,transform .2s}.editorial-card:hover{box-shadow:0 15px 36px #163d3712;transform:translateY(-3px)}.editorial-image{display:block;aspect-ratio:3/2;overflow:hidden;background:#e7eee7}.editorial-image img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .4s}.editorial-card:hover img{transform:scale(1.035)}.editorial-copy{padding:24px;display:flex;flex-direction:column;flex:1}.editorial-meta{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;font-size:11px;color:var(--editorial-muted)}.editorial-meta span:first-child{color:#287164;font-weight:700}.editorial-copy h3{font-size:21px;line-height:1.4;margin:15px 0 12px;color:var(--editorial-ink)}.editorial-copy p{font-size:14px;line-height:1.75;color:var(--editorial-muted);margin:0 0 22px}.editorial-link{margin-top:auto;font-size:13px;font-weight:700;display:flex;justify-content:space-between;color:#226956}.editorial-hero{background:linear-gradient(125deg,#f1f6ed,#edf5f2);border-bottom:1px solid var(--editorial-border);padding:60px 0}.editorial-hero h1{font-size:clamp(36px,5vw,62px);letter-spacing:-.04em}.editorial-hero p{max-width:720px;line-height:1.85}.editorial-hero .eyebrow i{font-size:24px;vertical-align:middle;margin-right:8px}.editorial-layout{display:grid;grid-template-columns:230px minmax(0,1fr);gap:30px;padding-top:45px;padding-bottom:70px;align-items:start}.article-filters{background:#f6f8f3;border:1px solid var(--editorial-border);border-radius:16px;padding:22px;position:sticky;top:105px}.article-filters h2{font-size:18px;margin:0 0 24px}.article-filters label{display:block;font-size:12px;font-weight:700;margin:20px 0 8px}.article-filters input,.article-filters select{width:100%;min-width:0;background:white;border:1px solid #d4ded6;padding:11px;border-radius:8px;font:inherit;font-size:13px}.article-filters button{width:100%;margin-top:22px}.filter-reset{display:block;text-align:center;font-size:12px;margin:15px 0}.filter-note{margin-top:28px;border-top:1px solid var(--editorial-border);padding-top:22px;font-size:13px;color:#667a70}.filter-note i{font-size:28px;color:#b28a42}.results-count{font-size:13px;color:#667a70;margin:0 0 18px}.article-results{min-width:0}.editorial-layout .editorial-grid{gap:18px}.editorial-layout .editorial-copy{padding:18px}.editorial-layout .editorial-copy h3{font-size:18px}.article-cover{width:100%;max-height:540px;object-fit:cover;border-radius:20px}.submission-form{max-width:840px;margin:48px auto 80px;padding:36px;border:1px solid var(--editorial-border);border-radius:22px;box-shadow:0 16px 45px #163d3709;background:white}.submission-form label{display:flex;flex-direction:column;gap:9px;margin-bottom:22px;font-weight:600;font-size:14px}.submission-form input,.submission-form textarea,.submission-form select{border:1px solid #cddcd3;border-radius:9px;padding:13px;font:inherit;width:100%;min-width:0}.submission-form textarea{resize:vertical}.submission-form small{font-weight:400;color:#60786b}.submission-form .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.submission-form .g-recaptcha{margin:20px 0}.submission-message{padding:18px;background:#e9f5eb;border:1px solid #bfd6c3;border-radius:12px;margin-bottom:24px}.submission-message.error{background:#fff0ec;border-color:#edc0b1}.submission-review{padding:24px;border:1px solid #d5e3d8;border-radius:12px;margin:15px 0}.submission-review img{max-height:120px;max-width:180px;object-fit:cover;border-radius:10px;margin:5px}.submission-review pre{white-space:pre-wrap;font:inherit;max-height:400px;overflow:auto}.admin-filter-bar{display:flex;gap:12px;flex-wrap:wrap;margin:12px 0}.admin-filter-bar select{padding:10px;max-width:100%}.article-author{display:flex;gap:14px;align-items:center;margin:20px 0}.article-author img{width:64px;height:64px;border-radius:50%;object-fit:cover}.article-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.article-gallery img{width:100%;border-radius:12px}.main-nav{gap:24px}
@media(min-width:768px) and (max-width:1100px){.editorial-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.editorial-layout{grid-template-columns:190px minmax(0,1fr);gap:20px}.article-filters{padding:16px}.header-actions{display:none}.main-nav{gap:18px}}
@media(max-width:767px){.editorial-grid{grid-template-columns:minmax(0,1fr)}.editorial-layout{grid-template-columns:minmax(0,1fr);padding-top:24px;gap:26px}.article-filters{position:static}.filter-note{display:none}.editorial-section{padding-top:40px}.editorial-section .section-heading{align-items:flex-start;flex-direction:column;gap:12px}.editorial-copy{padding:22px}.editorial-hero{padding:38px 0}.building-menu{width:100%}.building-menu summary{padding:13px 0}.building-dropdown{position:static;box-shadow:none;margin:0 0 12px;padding:4px;min-width:0}.submission-form{padding:20px;margin:24px auto 48px}.submission-form .form-grid{grid-template-columns:1fr;gap:0}.header-actions{display:none}.article-gallery{grid-template-columns:1fr}.article-filters button{width:auto}.main-nav{align-items:stretch}.g-recaptcha{transform-origin:left top;max-width:100%}}
@media(max-width:360px){.submission-form .g-recaptcha{transform:scale(.85);margin-bottom:4px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
@media print{.site-header,.site-footer,.trust-strip,.save-result{display:none!important}}

@media (min-width:768px) and (max-width:820px){.building-menu{width:100%}.building-menu summary{padding:13px 0}.building-dropdown{position:static;box-shadow:none;min-width:0;margin-bottom:12px}}

.editorial-hero .shell{padding-top:0;padding-bottom:0}.building-menu summary{font-size:13px;color:#334950;font-weight:750}
@media(min-width:821px){.header-inner{position:relative}.mega-trigger{position:static}.mega-menu,.mega-menu.is-open{left:50%;top:100%;transform:translateX(-50%)}.mega-menu:not(.is-open){display:none}}

/* V4: readable administration and flexible article media. */
.panel-page .panel-main{min-width:0;font-size:16px}
.panel-page .panel-main :is(p,label,input,textarea,select,button,summary,em){font-size:15px;line-height:1.6}
.panel-page .panel-main :is(small,.status-chip,.block-fields>span,.admin-table-row,.admin-shortcuts span){font-size:13px;line-height:1.55}
.panel-page .panel-main h2{font-size:22px;line-height:1.35}
.panel-page .panel-main h3{font-size:18px;line-height:1.45}
.panel-page .panel-top h1{font-size:26px}
.panel-page :is(.sidebar-nav a,.sidebar-bottom a){font-size:15px}
.panel-page .blog-admin-grid{grid-template-columns:minmax(0,1fr);gap:26px}
.panel-page .blog-post-list{position:static;min-width:0}
.panel-page .post-list{max-height:none;overflow:visible}
.panel-page .blog-editor-form{min-width:0}
.panel-page .blog-editor-form :is(input,textarea,select){min-width:0;max-width:100%;padding:12px}
.panel-page .block-add-bar{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.panel-page .block-add-bar>span{flex:1 0 100%;font-size:16px}
.panel-page .block-add-bar button{padding:10px 14px}
.author-editor{border:1px solid #d5e3d8;border-radius:12px;padding:20px;margin:22px 0;min-width:0}
.author-editor legend{padding:0 8px;font-size:18px;font-weight:700}
.author-preview{width:80px;height:80px;object-fit:cover;border-radius:50%;margin:12px 0}
.block-image-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(250px,100%),1fr));gap:16px;margin:16px 0}
.block-image-item{border:1px solid #d5e3d8;padding:14px;border-radius:12px;min-width:0}
.block-image-item img{width:100%;height:170px;object-fit:contain;background:#f4f7f5;border-radius:8px}
.panel-page .block-fields label{display:flex;flex-direction:column;gap:7px;margin:12px 0}
.block-image-item button,.block-move button,.inbox-pagination button{padding:8px 12px;margin:4px;border:1px solid #cbd9d1;background:#fff;border-radius:7px;cursor:pointer}
button:disabled{opacity:.55;cursor:not-allowed}
.panel-page .inbox-card{margin:26px 0;min-width:0}
.panel-main>[data-submission-queue]{margin:0 33px 40px}
.inbox-pagination{display:flex;align-items:center;justify-content:flex-end;gap:12px;flex-wrap:wrap}
.submission-review :is(p,pre){overflow-wrap:anywhere}
.submission-review summary{cursor:pointer;font-weight:600;margin:16px 0}
.contact-form :is(p,label,input,textarea,select,button){font-size:16px;line-height:1.65}
.contact-form label{gap:8px}.contact-form :is(input,textarea){padding:13px}
.contact-form .g-recaptcha{margin:20px 0}
.article-author img{width:80px;height:80px;border-radius:50%;object-fit:cover;flex-shrink:0}
.article-author b{font-size:19px}.article-author p{font-size:15px;margin:4px 0;color:#60786b}
.article-media figure{margin:0;min-width:0}.article-media img{display:block;width:100%;height:auto;border-radius:12px}
.article-media figcaption{font-size:14px;line-height:1.6;color:#60786b;margin-top:10px}
.article-image-grid{display:grid;grid-template-columns:repeat(var(--gallery-columns,3),minmax(0,1fr));gap:20px}
.article-image-grid img{aspect-ratio:4/3;object-fit:cover}
@media(max-width:900px){.article-image-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.panel-page .card-heading{flex-wrap:wrap;gap:12px}}
@media(max-width:600px){.article-image-grid{grid-template-columns:1fr}.panel-main>[data-submission-queue]{margin:0 16px 30px}.panel-page .blog-content-block{padding:14px 10px;gap:8px}.panel-page .block-fields{min-width:0}.panel-page .block-add-bar button{flex:1 1 140px}.panel-page .form-grid{grid-template-columns:1fr}.author-editor{padding:12px}.panel-page .panel-main :is(input,textarea,select){font-size:16px}.panel-page .panel-top{flex-wrap:wrap;gap:12px}.panel-page .stat-grid.four{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:400px){.contact-form .g-recaptcha{transform:scale(.85);transform-origin:left top;width:304px}.contact-form{overflow:hidden}}
.panel-page .panel-sidebar nav a{font-size:15px;padding:13px 14px}
.panel-page .role-badge,.panel-page .mini-profile em{font-size:13px}
.panel-page .mini-profile b,.panel-page .sidebar-bottom button{font-size:15px}
.panel-page .editor-notice,.panel-page .form-alert{font-size:15px;line-height:1.6}
.panel-page .blog-editor-form small{float:none;display:block;margin:6px 0}
.panel-page .block-image-list{clear:both;width:100%}
@media(max-width:600px){
  .panel-page .blog-content-block{grid-template-columns:24px minmax(0,1fr) 24px}
  .panel-page .blog-content-block>.block-fields{grid-column:1/-1;grid-row:2}
  .panel-page .blog-content-block>.delete-block{grid-column:3;grid-row:1}
  .panel-page .blog-content-block>.block-number{grid-column:2;grid-row:1}
  .panel-page .block-image-list{grid-template-columns:minmax(0,1fr)}
}

/* V5: regular-weight admin and enquiry typography. */
.panel-page :is(h1,h2,h3,h4,h5,h6,p,a,b,strong,em,small,span,label,legend,input,textarea,select,button,summary,th,td,li,div),
.contact-form :is(h1,h2,h3,p,a,b,strong,em,small,span,label,input,textarea,select,button){font-weight:400!important}
/* Keep calculator reference tables within narrow screens. */
[data-calculator-page] .guide-article{min-width:0}
@media(max-width:767px){[data-calculator-page] .reference-table .table-row{min-width:0}[data-calculator-page] .reference-table .table-row span{overflow-wrap:anywhere}}