:root{--ink:#151918;--paper:#f3f1eb;--soft:#e7e4dc;--line:#d2cfc6;--muted:#696d69;--acid:#d8ff52;--dark:#101412;--white:#fff;--max:1200px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}.shell{width:min(calc(100% - 48px),var(--max));margin:0 auto}.narrow{max-width:850px}.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:20px;top:20px;z-index:100;background:#fff;padding:10px 14px}.site-header{position:sticky;top:0;z-index:30;background:rgba(243,241,235,.94);border-bottom:1px solid rgba(21,25,24,.12);backdrop-filter:blur(14px)}.header-inner{height:84px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{width:235px}.brand 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/* SW11 public-site brand refresh — additive overrides; portal/auth/admin styles above remain intact. */
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.sw-value-strip{background:linear-gradient(90deg,#10243a,#0b1c2f);color:#fff}.sw-values{display:grid;grid-template-columns:repeat(4,1fr);min-height:84px}.sw-values>div{display:flex;align-items:center;gap:18px;padding:18px 28px;border-right:1px solid rgba(255,255,255,.16)}.sw-values>div:first-child{padding-left:0}.sw-values>div:last-child{border-right:0}.sw-icon{color:var(--sw-orange);font-size:27px;min-width:32px;text-align:center}.sw-values p{margin:0;line-height:1.25}.sw-values strong,.sw-values span{display:block}.sw-values strong{font-size:13px}.sw-values span{font-size:12px;color:#d2dae1;margin-top:5px}
.sw-section{padding:75px 0;background:#fff}.sw-section-title{text-align:center;margin-bottom:35px}.sw-section-title p{color:var(--sw-orange);font-size:12px;font-weight:850;margin:0 0 5px}.sw-section-title h2,.sw-copy-grid h2,.sw-infra h2,.sw-cta h2{color:var(--sw-navy);font-size:clamp(32px,3vw,48px);line-height:1.05;letter-spacing:-.035em;margin:0}.sw-service-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.sw-service-cards a{border:1px solid var(--sw-border);border-radius:7px;padding:26px 22px;display:flex;gap:18px;background:#fff;transition:transform .18s,box-shadow .18s,border-color .18s}.sw-service-cards a:hover{transform:translateY(-3px);box-shadow:0 16px 32px rgba(12,28,48,.08);border-color:#c8d0d7}.sw-card-icon{color:var(--sw-orange);font-size:29px;line-height:1}.sw-service-cards h3{color:var(--sw-navy);font-size:15px;margin:0 0 6px}.sw-service-cards p{color:var(--sw-copy);font-size:13px;line-height:1.45;margin:0 0 12px}.sw-service-cards strong{font-size:12px;color:var(--sw-navy)}
.sw-product-block{padding:65px 0;background:linear-gradient(90deg,#fffaf6,#fff 55%,#fffaf6)}.sw-product-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:65px;align-items:center}.sw-product-copy>p:not(.sw-kicker){color:var(--sw-copy);font-size:15px;max-width:440px}.sw-zerald-word{position:relative;display:inline-block;color:var(--sw-navy);font-size:76px;line-height:1;font-weight:800;letter-spacing:-.055em;margin:12px 0 20px}.sw-zerald-word span{position:absolute;left:2px;right:2px;height:15px;bottom:-7px;border-bottom:5px solid var(--sw-orange);border-radius:50%}.sw-panel-demo{display:grid;grid-template-columns:145px 1fr;background:#fff;border:1px solid #d9dfe4;border-radius:8px;box-shadow:0 18px 42px rgba(12,28,48,.11);overflow:hidden;min-height:310px}.sw-panel-demo aside{background:#10233a;color:#dbe4ec;padding:24px 14px;display:flex;flex-direction:column;gap:6px;font-size:11px}.sw-panel-demo aside b{color:#fff;font-size:18px;margin:0 8px 16px}.sw-panel-demo aside span{padding:8px 9px;border-radius:5px}.sw-panel-demo aside span.active{background:#1f5a89}.sw-panel-main{padding:24px}.sw-panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;color:var(--sw-navy)}.sw-panel-head button{border:0;background:#246ec3;color:#fff;border-radius:4px;padding:7px 10px;font-size:10px}.sw-panel-demo table{width:100%;border-collapse:collapse;font-size:10px;color:#4f5b67}.sw-panel-demo th,.sw-panel-demo td{padding:10px;border-bottom:1px solid #e6eaed;text-align:left}.sw-panel-demo th{color:#7d8995}.sw-panel-demo em{font-style:normal;color:#21894c;background:#eaf8ee;padding:3px 5px;border-radius:4px}.sw-health{margin-top:22px;border:1px solid #e1e6ea;border-radius:6px;padding:13px;display:flex;justify-content:space-between;font-size:10px}.sw-health span{color:#21894c}
.sw-infra{padding:52px 0;background:#fff;border-top:1px solid var(--sw-grid);border-bottom:1px solid var(--sw-grid)}.sw-infra-grid{display:grid;grid-template-columns:120px 1.2fr 1fr .85fr;gap:35px;align-items:center}.sw-uk-mark{font-size:36px;font-weight:900;color:var(--sw-orange);border:2px solid var(--sw-orange);width:72px;height:72px;display:grid;place-items:center;border-radius:50%}.sw-infra h2{font-size:28px}.sw-infra p,.sw-infra li{font-size:13px;color:var(--sw-copy)}.sw-infra ul{list-style:none;padding:0;margin:0}.sw-infra li{margin:7px 0}.sw-infra li:before{content:"◎";color:var(--sw-orange);margin-right:9px}
.sw-page-hero{padding:90px 0;background:#fff;border-bottom:1px solid var(--sw-grid)}.sw-page-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:80px;align-items:center}.sw-page-hero h1{font-size:clamp(48px,5vw,74px);max-width:780px}.sw-mini-station{position:relative;height:270px;border-bottom:35px solid #dfe4e8;border-left:75px solid transparent;border-right:75px solid transparent}.sw-mini-station i{position:absolute;bottom:-7px;width:26px;height:160px;border:2px solid var(--sw-navy);background:#fff}.sw-mini-station i:before{content:"";position:absolute;top:16px;left:-4px;right:-4px;height:6px;border:2px solid var(--sw-orange);background:#fff}.sw-mini-station i:nth-child(1){left:14%;height:160px}.sw-mini-station i:nth-child(2){left:36%;height:200px}.sw-mini-station i:nth-child(3){right:36%;height:140px}.sw-mini-station i:nth-child(4){right:14%;height:150px}.sw-mini-station span{position:absolute;left:10%;right:10%;bottom:-4px;height:90px;border:2px solid var(--sw-navy);background:#f0f2f4}.sw-copy-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:100px}.sw-copy-grid>div:last-child{font-size:18px;color:var(--sw-copy)}.sw-facts{padding:70px 0;background:var(--sw-pale)}.sw-fact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#d9dee3;border:1px solid #d9dee3;margin-top:26px}.sw-fact-grid div{background:#fff;padding:26px}.sw-fact-grid span{display:block;font-size:11px;color:#788493;text-transform:uppercase;letter-spacing:.08em}.sw-fact-grid strong{display:block;color:var(--sw-navy);font-size:14px;margin-top:10px}.sw-service-graphic{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.sw-service-graphic span{height:110px;border:1px solid var(--sw-border);display:grid;place-items:center;color:var(--sw-orange);font-weight:850;font-size:16px}.sw-service-list{background:#fff}.sw-service-list article{display:grid;grid-template-columns:90px 1fr;gap:30px;padding:46px 0;border-bottom:1px solid var(--sw-border)}.sw-service-list article>span{font-size:12px;color:var(--sw-orange);font-weight:850}.sw-service-list h2{margin:0 0 8px;color:var(--sw-navy);font-size:30px}.sw-service-list p{margin:0;color:var(--sw-copy);font-size:16px;max-width:760px}.sw-cta{background:#f5f6f7;padding:62px 0}.sw-cta>.shell{display:flex;justify-content:space-between;align-items:end;gap:40px}.sw-cta h2{margin-top:8px}.sw-zerald-hero{background:linear-gradient(90deg,#fff 0 58%,#f8fafb 58%)}.sw-zerald-word.sw-large{font-size:clamp(88px,10vw,145px);margin-top:24px}.sw-panel-large{min-height:390px}.sw-deploy-flow{display:flex;flex-direction:column;gap:12px;margin-top:35px}.sw-deploy-flow span,.sw-deploy-flow strong{padding:12px 14px;border:1px solid #e0e5e9;border-radius:5px;font-size:11px}.sw-deploy-flow span:before{content:"✓";color:#278b50;margin-right:9px}.sw-deploy-flow strong{background:#e9f8ef;color:#217b45}.sw-dark-features{background:var(--sw-navy);color:#fff;padding:80px 0}.sw-feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#36506a}.sw-feature-grid article{background:var(--sw-navy);padding:35px}.sw-feature-grid span{font-size:11px;color:var(--sw-orange)}.sw-feature-grid h3{font-size:23px;margin:40px 0 12px}.sw-feature-grid p{color:#bdc9d4;font-size:14px}.sw-contact-callout{background:var(--sw-navy);color:#fff;padding:40px;border-radius:8px}.sw-contact-callout>span{display:block;font-size:80px;line-height:1;font-weight:900;color:var(--sw-orange)}.sw-contact-callout strong{display:block;margin-top:18px}.sw-contact-callout p{color:#c4ced8}.sw-contact-section{background:#f6f7f8}.sw-contact-section h2{color:var(--sw-navy);font-size:38px}.sw-contact-section .form-card{border-radius:8px;box-shadow:0 16px 36px rgba(12,28,48,.06)}
.sw-footer{background:linear-gradient(90deg,#10243a,#0a1a2c);padding-top:55px}.sw-footer-grid{display:grid;grid-template-columns:1.4fr .7fr .7fr 1fr;gap:55px}.sw-footer-brand img{width:210px;height:95px;object-fit:contain;object-position:left;filter:brightness(0) invert(1);opacity:.96}.sw-footer-brand p{color:#c2ccd5}.sw-footer h2{color:#8fa1b1}.sw-footer-grid>div:not(:first-child) a{color:#e0e6eb}.sw-footer-base{display:flex;align-items:center;justify-content:space-between;border-top:1px solid rgba(255,255,255,.13);margin-top:45px;padding-top:20px}.sw-footer-station{font-size:28px;color:var(--sw-orange);letter-spacing:-4px}
@media(max-width:1000px){.sw-nav{gap:20px}.sw-header-cta{display:none}.sw-hero-grid,.sw-product-grid,.sw-page-grid,.sw-copy-grid{grid-template-columns:1fr}.sw-battersea{min-height:420px}.sw-values{grid-template-columns:1fr 1fr}.sw-values>div:nth-child(2){border-right:0}.sw-service-cards{grid-template-columns:1fr 1fr}.sw-infra-grid{grid-template-columns:100px 1fr 1fr}.sw-infra-grid ul{grid-column:2/4}.sw-fact-grid{grid-template-columns:1fr 1fr}.sw-footer-grid{grid-template-columns:1fr 1fr}.sw-page-grid{gap:45px}.sw-zerald-hero{background:#fff}}
@media(max-width:700px){.sw-brand{width:150px;height:54px}.sw-header-inner{height:72px}.sw-account-link{display:none}.sw-hero-copy{padding:54px 0 42px}.sw-hero h1{font-size:52px}.sw-battersea{min-height:340px}.sw-station{left:8%;right:4%;height:150px}.sw-chimney{width:20px}.sw-chimney.c1{height:120px}.sw-chimney.c2{height:145px}.sw-chimney.c3{height:105px}.sw-chimney.c4{height:112px}.sw-values,.sw-service-cards,.sw-infra-grid,.sw-fact-grid,.sw-feature-grid{grid-template-columns:1fr}.sw-values>div{border-right:0;border-bottom:1px solid rgba(255,255,255,.13);padding-left:0}.sw-product-grid{gap:35px}.sw-panel-demo{grid-template-columns:95px 1fr}.sw-panel-main{padding:15px}.sw-panel-demo aside{padding:18px 8px}.sw-panel-demo table th:nth-child(2),.sw-panel-demo table td:nth-child(2){display:none}.sw-infra-grid ul{grid-column:auto}.sw-cta>.shell{align-items:flex-start;flex-direction:column}.sw-footer-grid{grid-template-columns:1fr}.sw-service-list article{grid-template-columns:45px 1fr}.sw-page-hero{padding:65px 0}.sw-page-hero h1{font-size:48px}.sw-mini-station{height:220px}.sw-copy-grid{gap:30px}}