:root{--ink:#172554;--plum:#1E3A8A;--clay:#C2410C;--paper:#F3F4F6;--line:#cbd5e1}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 Arial,sans-serif}a{color:inherit}header{height:90px;display:flex;align-items:center;justify-content:space-between;padding:0 6%;border-bottom:1px solid var(--line);gap:30px}.brand{display:flex;align-items:center;text-decoration:none;font:700 31px Georgia}.brand span,footer strong span{color:var(--clay)}.brand small{font:700 9px/1.35 Arial;letter-spacing:.11em;margin-left:10px}nav{display:flex;gap:20px;align-items:center}nav a,.header-link{font-size:12px;font-weight:bold;text-decoration:none}.header-link{border-bottom:1px solid var(--ink);padding-bottom:5px;white-space:nowrap}.hero{display:grid;grid-template-columns:1.05fr .95fr;min-height:650px}.hero-copy{padding:112px 8% 70px 11%}.eyebrow{font-size:10px;letter-spacing:.2em;font-weight:bold;color:#9a3412}.eyebrow span{display:inline-block;width:28px;height:1px;background:var(--clay);vertical-align:middle;margin-right:8px}h1,h2,h3{font-family:Georgia,serif;font-weight:normal;line-height:1.12}h1{font-size:clamp(44px,5.2vw,78px);letter-spacing:-.045em;margin:30px 0}h1 em,h2 em{font-weight:normal;color:var(--clay)}.hero-copy>p{max-width:510px;color:#475569;font-size:17px}.actions{display:flex;gap:28px;align-items:center;margin-top:35px}.button{display:inline-block;padding:16px 20px;background:var(--plum);color:white;text-decoration:none;font-size:12px;font-weight:bold}.button b{margin-left:20px}.text-link{font-size:12px;font-weight:bold;text-decoration:none}.text-link span{margin-left:12px}.hero-copy .notice{font-size:11px;margin-top:34px}.hero-art{background:#1E3A8A;color:#F3F4F6;display:flex;flex-direction:column;justify-content:space-between;padding:40px 9%}.hero-art svg{width:100%;max-height:420px}.art-top,.art-bottom{display:flex;justify-content:space-between;font-size:9px;letter-spacing:.17em}.intro{display:grid;grid-template-columns:1fr 2fr;padding:110px 9% 35px}.intro h2,.split h2{font-size:clamp(37px,4vw,56px);margin:0}.intro p{max-width:500px;color:#475569}.topics{display:grid;grid-template-columns:repeat(3,1fr);padding:0 9% 110px;gap:1px}.topics a{padding:32px 30px;background:#e2e8f0;text-decoration:none;min-height:230px;display:flex;flex-direction:column}.topics span,.contact-grid span,aside span{font-size:10px;letter-spacing:.15em;color:#9a3412;font-weight:bold}.topics h3{font-size:25px;margin:25px 0 8px}.topics p{font-size:14px;color:#475569}.topics b{font-size:11px;margin-top:auto}.split{background:var(--plum);color:#fff;display:grid;grid-template-columns:1fr 1fr;gap:10%;padding:95px 9%}.split .eyebrow{color:#fdba74}.split p{max-width:480px}.under{display:block;border-bottom:1px solid #93a7d0;padding:12px 0;text-decoration:none;font-size:13px}.page-hero{padding:100px 12% 90px;background:#dbe5f5}.page-hero h1{max-width:920px}.page-hero p{font-size:18px;max-width:700px}.article{display:grid;grid-template-columns:1fr 3fr;gap:10%;padding:90px 12%}.article aside a{display:block;font-size:13px;padding:10px 0}.article article{max-width:710px}.article h2{font-size:34px;margin-top:0}.article p{margin-bottom:45px;font-size:17px}.callout{background:#e2e8f0;padding:30px;margin:50px 0}.callout p{margin:10px 0}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:2px;padding:80px 12%}.contact-grid>div{background:#e2e8f0;padding:40px}.contact-grid h2{font-size:36px}.contact-grid button{padding:14px 20px;border:1px solid #94a3b8;color:#475569;background:transparent}footer{background:#172554;color:#f3f4f6;padding:60px 9%;display:grid;grid-template-columns:1.5fr 1fr 2fr;gap:50px;font-size:12px}footer strong{font:30px Georgia}footer a{display:block;margin-bottom:10px}footer p{max-width:360px;color:#cbd5e1}.skip{position:absolute;top:-100px}.skip:focus{top:0;background:white;z-index:10}a:focus-visible,button:focus-visible{outline:3px solid #C2410C;outline-offset:3px}@media(max-width:900px){header{height:auto;padding:20px 6%;flex-wrap:wrap}nav{order:3;width:100%;overflow:auto;white-space:nowrap;padding:10px 0}.hero{grid-template-columns:1fr}.hero-copy{padding:75px 7%}.hero-art{min-height:400px}.intro{grid-template-columns:1fr;gap:25px;padding:75px 7% 30px}.topics{padding:0 7% 75px}.split{padding:70px 7%}.article{padding:60px 7%;gap:6%}footer{padding:50px 7%}}@media(max-width:600px){.topics,.split,.contact-grid,.article,footer{grid-template-columns:1fr}.hero-art{min-height:340px}.topics a{min-height:190px}.article aside{border-bottom:1px solid var(--line);padding-bottom:25px}.page-hero{padding:75px 7%}.contact-grid{padding:50px 7%}.actions{align-items:flex-start;flex-direction:column;gap:18px}footer{gap:20px}}

.button{background:#C2410C;color:#fff}.button:hover{background:#9a3412}.split h2 em{color:#fdba74}nav{gap:14px}nav a{white-space:nowrap}
/* Shared header and quote form */
header{position:relative;gap:18px;padding:0 3%;z-index:10}.header-phone{display:flex;flex-direction:column;line-height:1.2;text-decoration:none;font-weight:700;font-size:15px;white-space:nowrap}.header-phone span{font-size:12px;color:#9a3412;margin-bottom:4px}.brand{flex:none}.brand-mark{width:40px;height:40px;color:#1e3a8a}.brand small{font-size:9px}.menu-toggle,.mobile-quote{display:none}nav{gap:12px}nav a{font-size:11px}.header-link{white-space:nowrap}.hero-form-wrap{background:#1e3a8a;display:flex;align-items:center;justify-content:center;padding:45px 8%}.quote-form{width:100%;max-width:530px;background:#fff;padding:32px;border-radius:3px;box-shadow:0 14px 35px #102a6022}.form-kicker{color:#9a3412;font-size:10px;letter-spacing:.16em;font-weight:bold;margin:0 0 10px}.quote-form h2{font-size:36px;margin:0}.form-intro{font-size:14px;color:#475569;margin:8px 0 20px}.quote-form label{display:block;font-size:13px;font-weight:700;margin-bottom:14px}.quote-form input:not([type=checkbox]),.quote-form select{display:block;width:100%;height:43px;border:1px solid #94a3b8;border-radius:3px;background:#fff;padding:8px 10px;font:inherit;color:#172554;margin-top:5px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.quote-form .consent{display:flex;align-items:flex-start;gap:10px;line-height:1.4;margin:6px 0}.consent input{margin:3px 0 0;flex:none;accent-color:#1e3a8a}.form-disclosure{font-size:11px;color:#475569;line-height:1.5;margin:8px 0 16px}.submit-request{width:100%;background:#c2410c;border:0;color:#fff;padding:14px;font-weight:bold;font-size:14px}.submit-request:disabled{opacity:.6;cursor:not-allowed}.form-status{text-align:center;font-size:11px;color:#475569;margin:5px 0 8px}.prefer-call{text-align:center;font-size:13px;margin:0}.prefer-call a{font-weight:bold;color:#1e3a8a}.quote-form input:focus-visible,.quote-form select:focus-visible{outline:3px solid #c2410c;outline-offset:2px}
@media(max-width:1100px){header{height:auto;min-height:80px;flex-wrap:nowrap;padding:15px 5%}.brand{margin-right:auto}.menu-toggle{display:flex;flex-direction:column;justify-content:center;gap:5px;background:transparent;border:1px solid #cbd5e1;border-radius:4px;width:44px;height:44px;padding:10px;cursor:pointer}.menu-toggle span{display:block;height:2px;background:#172554;width:100%}header nav{display:none;position:absolute;top:100%;left:0;right:0;width:auto;order:initial;background:#f3f4f6;border-bottom:1px solid #cbd5e1;box-shadow:0 12px 20px #17255420;padding:12px 5% 18px;overflow:visible;white-space:normal}header nav.is-open{display:flex;flex-direction:column;align-items:stretch;gap:0}header nav a{font-size:14px;padding:10px 0;border-bottom:1px solid #e2e8f0}.mobile-quote{display:block}header>.header-link{display:none}.hero{grid-template-columns:1fr 1fr}.hero-copy{padding:65px 8%}.hero-form-wrap{padding:35px 6%}}
@media(max-width:760px){header{gap:12px}.brand small{display:none}.brand-mark{width:36px;height:36px}.header-phone{font-size:14px}.hero{grid-template-columns:1fr}.hero-copy{padding:60px 7% 40px}.hero-form-wrap{padding:35px 7% 45px}.quote-form{padding:25px}.form-row{grid-template-columns:1fr;gap:0}}
.photo-feature{display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:7%;padding:95px 9% 0}.photo-feature img{display:block;width:100%;height:auto;max-height:390px;object-fit:cover}.photo-feature h2{font-size:clamp(34px,3.5vw,50px);margin:20px 0}.photo-feature p{color:#475569;max-width:430px}.photo-feature small,.article-photo figcaption{font-size:11px;color:#64748b}.article-photo{margin:0 0 35px}.article-photo img{display:block;width:100%;height:320px;object-fit:cover}.article-photo figcaption{margin-top:8px}.photo-pair{display:grid;grid-template-columns:1fr 1fr;gap:14px}.photo-pair .article-photo img{height:240px}@media(max-width:760px){.photo-feature{grid-template-columns:1fr;gap:28px;padding:60px 7% 0}.photo-pair{grid-template-columns:1fr 1fr}.photo-pair .article-photo img{height:180px}}
/* Header sizing and button color */
header{min-height:108px;height:auto}.header-phone{font-size:18px}.header-phone span{font-size:14.4px}.brand-mark{width:48px;height:48px}.brand small{font-size:10.8px}header nav a{font-size:13.2px}.header-link{font-size:14.4px}.submit-request:disabled{opacity:1;background:#C2410C;color:#fff;cursor:not-allowed}
@media(max-width:1300px){header{height:auto;min-height:96px;flex-wrap:nowrap;padding:15px 5%}.brand{margin-right:auto}.menu-toggle{display:flex;flex-direction:column;justify-content:center;gap:6px;background:transparent;border:1px solid #cbd5e1;border-radius:4px;width:53px;height:53px;padding:12px;cursor:pointer}.menu-toggle span{display:block;height:2.4px;background:#172554;width:100%}header nav{display:none;position:absolute;top:100%;left:0;right:0;width:auto;order:initial;background:#f3f4f6;border-bottom:1px solid #cbd5e1;box-shadow:0 12px 20px #17255420;padding:12px 5% 18px;overflow:visible;white-space:normal}header nav.is-open{display:flex;flex-direction:column;align-items:stretch;gap:0}header nav a{font-size:16.8px;padding:10px 0;border-bottom:1px solid #e2e8f0}.mobile-quote{display:block}header>.header-link{display:none}}
@media(max-width:760px){.brand-mark{width:43.2px;height:43.2px}.header-phone{font-size:16.8px}}
.nav-services{position:relative}.nav-services summary{font-size:13.2px;font-weight:bold;cursor:pointer;list-style:none;white-space:nowrap}.nav-services summary::-webkit-details-marker{display:none}.nav-services summary::after{content:' ▾'}.nav-submenu{position:absolute;top:calc(100% + 14px);left:-16px;min-width:190px;background:#f3f4f6;border:1px solid #cbd5e1;box-shadow:0 12px 20px #17255420;padding:8px;z-index:20}.nav-submenu a{display:block;padding:9px 10px}.nav-submenu a:hover{background:#e2e8f0}@media(min-width:901px){header{min-height:108px;padding:0 3%;gap:18px}.brand{margin-right:0}.menu-toggle{display:none}header nav,header nav.is-open{position:static;display:flex;flex-direction:row;align-items:center;gap:18px;padding:0;border:0;background:transparent;box-shadow:none;width:auto;overflow:visible}header nav a{font-size:13.2px;border:0;padding:0}header .nav-submenu a{padding:9px 10px}header .mobile-quote{display:none}header>.header-link{display:block}}@media(max-width:900px){.nav-services summary{font-size:16.8px;padding:10px 0;border-bottom:1px solid #e2e8f0}.nav-submenu{position:static;border:0;box-shadow:none;padding:0 0 0 15px}.nav-submenu a{padding:10px 0}}
.footer-mark{width:48px;height:48px;color:#f3f4f6}.eyebrow,.form-kicker,.topics span,.contact-grid span{font-size:15px}.article aside span{font-size:15px}.article aside a{font-size:19.5px}
.privacy-policy{display:block;max-width:1100px;margin:auto}.privacy-policy article{max-width:800px}.privacy-policy h2{margin:45px 0 12px}.privacy-policy h2:first-child{margin-top:0}.privacy-policy p{margin:0 0 20px}
.privacy-policy mark,.page-hero mark{background:#fff0b3;color:#5b3200;padding:2px 4px;border-radius:3px}
/* Keep the section label, heading, and description on one alignment. */
.intro{display:block}.intro>div:last-child{max-width:760px}.intro>.eyebrow{margin-bottom:24px}
.topics a{overflow:hidden}.topic-image{display:block;width:calc(100% + 60px);max-width:none;height:180px;object-fit:cover;margin:-32px -30px 28px;background:#dbe5f5}.topics a:focus-visible{outline-offset:3px}@media(max-width:600px){.topic-image{height:190px}}
.inner-hero{display:grid;grid-template-columns:1.05fr .95fr}.inner-hero .page-hero{display:flex;flex-direction:column;justify-content:center;padding:85px 10%}.inner-hero .page-hero h1{font-size:clamp(40px,4.5vw,68px)}.diagram-photo img{object-fit:contain;background:#dbe5f5}@media(max-width:760px){.inner-hero{grid-template-columns:1fr}.inner-hero .page-hero{padding:60px 7% 45px}}
.waterproofing-source{display:grid;grid-template-columns:minmax(0,1fr) minmax(180px,40%);gap:28px;align-items:start}.waterproofing-source img{display:block;width:100%;height:300px;object-fit:cover}.waterproofing-source p{margin-bottom:45px}@media(max-width:600px){.waterproofing-source{grid-template-columns:1fr;gap:0}.waterproofing-source p{margin-bottom:20px}.waterproofing-source img{height:240px;margin-bottom:40px}}
.method-section{display:grid;grid-template-columns:minmax(0,1fr) minmax(220px,42%);align-items:start;gap:26px;margin-bottom:48px}.method-section p{margin-bottom:0}.method-section img{display:block;width:100%;height:auto;background:#dbe5f5}@media(max-width:650px){.method-section{grid-template-columns:1fr;gap:20px}}
/* Pre-launch audit: keyboard focus and accessible form controls. */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
summary:focus-visible{outline:3px solid #C2410C;outline-offset:3px}
.quote-form input:not([type=checkbox]),.quote-form select{border-color:#64748b;font-size:16px;min-width:0}
.quote-form input[type=checkbox]{appearance:none;width:18px;height:18px;border:2px solid #64748b;border-radius:2px;background:#fff;display:grid;place-content:center}
.quote-form input[type=checkbox]:checked{background:#1e3a8a;border-color:#1e3a8a}
.quote-form input[type=checkbox]:checked::before{content:'';width:9px;height:5px;border-left:2px solid white;border-bottom:2px solid white;transform:rotate(-45deg) translateY(-1px)}
@media(forced-colors:active){.quote-form input[type=checkbox]{appearance:auto}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.form-disclosure a{white-space:nowrap}