:root{--blue:#1769f5;--blue2:#0b55d4;--ink:#13233b;--muted:#657995;--line:#dbe5f1;--soft:#f4f8fd;--green:#10a86e;--orange:#ff6a18}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--ink);font-family:Inter,Manrope,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif}button,input,select{font:inherit}button{cursor:pointer}a{color:inherit}.rc-header{position:sticky;z-index:50;top:0;display:flex;align-items:center;gap:34px;min-height:68px;padding:0 max(24px,calc((100vw - 1480px)/2));border-bottom:1px solid #e4ebf4;background:rgba(255,255,255,.94);backdrop-filter:blur(18px)}.rc-logo{display:flex;margin-right:auto}.rc-logo img{width:146px}.rc-header nav{display:flex;gap:26px}.rc-header nav a{color:#53677f;font-size:13px;font-weight:750;text-decoration:none}.rc-header nav a:hover{color:var(--blue)}.rc-head-cta{padding:12px 17px;border-radius:9px;background:var(--blue);color:#fff;font-size:12px;font-weight:850;text-decoration:none;box-shadow:0 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@media(max-width:1100px){.rc-header nav{display:none}.rc-hero{grid-template-columns:1fr}.rc-workspace{grid-template-columns:270px 1fr}.rc-summary{grid-column:1/-1;display:grid;grid-template-columns:1fr 1.3fr auto;gap:20px;align-items:center;border-top:1px solid var(--line);border-left:0}.rc-summary dl{display:grid;grid-template-columns:repeat(3,1fr);gap:0 15px}.rc-summary>button{width:180px}.rc-detail{grid-template-columns:1fr 1.4fr}.rc-tech{grid-column:1/-1}.rc-benefits,.rc-related nav{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.rc-header{min-height:58px;padding:0 14px}.rc-logo img{width:122px}.rc-head-cta{padding:10px;font-size:10px}.rc-breadcrumbs{padding:11px 14px}.rc-hero{gap:22px;padding:35px 15px 50px}.rc-hero h1{font-size:42px}.rc-hero p{font-size:14px}.rc-hero figure{min-height:330px}.rc-hero canvas{height:330px}.rc-app{margin:0;border-right:0;border-left:0;border-radius:0}.rc-app-head{padding:0 10px}.rc-app-head>div:last-child button{width:34px;padding:0;font-size:0}.rc-app-head>div:last-child svg{margin:auto}.rc-app-head output{display:none}.rc-steps{overflow:auto;padding:7px}.rc-steps button{min-width:128px}.rc-steps>i{min-width:20px}.rc-workspace{display:flex;flex-direction:column}.rc-controls{max-height:none;border:0}.rc-controls section{scroll-margin-top:70px}.rc-stage{order:-1}.rc-canvas-wrap{min-height:390px}.rc-canvas-wrap canvas{min-height:390px}.rc-summary{display:block}.rc-summary>button{width:100%}.rc-detail{grid-template-columns:1fr;padding:8px}.rc-tech{grid-column:auto}.rc-layout canvas{height:280px}.rc-estimate{margin:8px;padding:12px}.rc-estimate>header{gap:10px}.rc-estimate header>div:last-child{display:grid}.rc-estimate h2{font-size:17px}.rc-estimate table{min-width:720px}.rc-estimate>footer{align-items:flex-start;flex-direction:column}.rc-estimate footer button{width:100%;justify-content:center}.rc-content,.rc-roof-cards,.rc-faq,.rc-related{margin:65px auto;padding:0 15px}.rc-benefits,.rc-method-grid,.rc-roof-cards>div:last-child,.rc-faq,.rc-related nav{grid-template-columns:1fr}.rc-roof-cards p{min-height:0}.rc-footer{grid-template-columns:1fr 1fr;padding:35px 20px}.rc-footer>a{grid-column:1/-1}}

/* Wide workspace: keep every panel useful instead of stretching empty columns. */
.rc-summary-note{display:grid;gap:7px;margin-top:14px;padding:12px;border:1px solid #dbe7f4;border-radius:10px;background:linear-gradient(145deg,#f0f6ff,#fff)}.rc-summary-note b{margin-bottom:2px;color:#29496e;font-size:9px}.rc-summary-note span{position:relative;padding-left:16px;color:#687d95;font-size:8px}.rc-summary-note span:before{content:'✓';position:absolute;left:0;top:-1px;color:var(--green);font-weight:900}
@media(min-width:1101px){.rc-app{width:min(1760px,calc(100vw - 32px));max-width:none}.rc-workspace{grid-template-columns:270px minmax(0,1fr) 250px;grid-template-rows:minmax(0,1fr);height:clamp(640px,72vh,740px);min-height:0;align-items:stretch;overflow:hidden;background:#edf4fc}.rc-controls,.rc-summary{position:relative;z-index:2;align-self:stretch;height:auto;min-height:0;max-height:none;margin:10px;border:1px solid #d7e3ef;border-radius:12px;background:#fff;box-shadow:0 10px 30px rgba(28,70,115,.07)}.rc-controls{width:auto;padding:13px;margin-right:8px;overflow:auto}.rc-summary{width:auto;padding:13px;margin-left:8px;overflow:auto}.rc-stage{align-self:stretch;height:auto;min-width:0;min-height:0;overflow:hidden;grid-template-rows:54px minmax(0,1fr) 50px;border-right:1px solid #dce6f1;border-left:1px solid #dce6f1}.rc-canvas-wrap,.rc-canvas-wrap canvas{height:100%;min-height:0}.rc-stage>header{padding:9px 13px}.rc-view-tabs{align-items:center}.rc-app:fullscreen .rc-workspace{height:calc(100vh - 122px);min-height:0}.rc-app:fullscreen .rc-controls,.rc-app:fullscreen .rc-summary{height:auto;margin-top:8px;margin-bottom:8px}.rc-app:fullscreen .rc-canvas-wrap{height:100%;min-height:0}}
@media(min-width:1500px){.rc-workspace{grid-template-columns:260px minmax(0,1fr) 240px}.rc-controls{padding:12px}.rc-summary{padding:12px}}
@media(max-width:760px){.rc-summary-note{margin-top:10px}.rc-controls,.rc-summary{height:auto}}

/* Stable 3D viewport: the canvas backing buffer must never participate in layout. */
.rc-canvas-wrap{contain:layout paint;overscroll-behavior:contain}
.rc-canvas-wrap canvas#roofCanvas{position:absolute;z-index:1;inset:0;display:block;width:100%;height:100%;min-height:0;max-height:100%;touch-action:none;overscroll-behavior:contain}
@media(max-width:760px){.rc-stage{grid-template-rows:auto 390px auto}.rc-canvas-wrap{height:390px;min-height:390px;max-height:390px}.rc-canvas-wrap canvas#roofCanvas{height:100%;min-height:0;max-height:100%}}

/* A tall or square fullscreen must not turn the editor into a vertical tunnel. */
@media(min-width:1101px){.rc-app:fullscreen .rc-workspace{height:min(780px,calc(100dvh - 122px));max-height:780px;min-height:0}.rc-app:fullscreen .rc-stage{height:100%;max-height:780px}.rc-app:fullscreen .rc-canvas-wrap{height:100%;max-height:none;min-height:0}}
#addRoofToEstimate{background:var(--blue);color:#fff}.rc-estimate footer #attachContract{background:var(--orange);color:#fff}