:root{
  --black:#050505; --charcoal:#151515; --gold:#b47a31; --gold-dark:#8f6038;
  --soft:#f6f5f2; --line:#dedbd4; --text:#111; --muted:#5d5d5d; --white:#fff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Source Sans 3",Arial,sans-serif;color:var(--text);background:#fff;line-height:1.45}
a{color:inherit}
.topbar{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.nav{max-width:1180px;margin:0 auto;padding:3px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:92px}
.brand{display:flex;align-items:center;text-decoration:none}.brand img{height:88px;width:auto;display:block;object-fit:contain}
.navlinks{display:flex;align-items:center;gap:22px;font-weight:800;font-size:16px}.navlinks a{text-decoration:none}.navlinks a:hover{color:var(--gold)}
.contact-small{display:flex;gap:14px;align-items:center;font-size:12px;font-weight:700;white-space:nowrap}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px;width:100%}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 24px;background:var(--gold);color:#fff;border:0;text-decoration:none;font-weight:900;letter-spacing:.08em;text-transform:uppercase;cursor:pointer}
.btn:hover{filter:brightness(.93)}.btn.secondary{background:#111}.btn.small{min-height:38px;padding:0 15px;font-size:12px}.btn.ghost{background:#fff;color:#111;border:1px solid var(--line)}
.hero{background:linear-gradient(90deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.9) 42%,rgba(255,255,255,.62) 70%,rgba(255,255,255,.42) 100%),url("historic-green-house.jpg") center/cover no-repeat;min-height:590px;display:flex;align-items:center;border-bottom:1px solid var(--line)}
.hero-content{max-width:620px;padding:82px 0}.eyebrow{display:inline-block;color:var(--gold);font-weight:900;letter-spacing:.18em;text-transform:uppercase;font-size:13px;margin-bottom:16px}
h1{font-size:58px;line-height:.98;letter-spacing:-.035em;margin:0 0 20px;font-weight:900}.gold-rule{width:68px;height:4px;background:var(--gold);margin:0 0 28px}
.lead{font-size:21px;max-width:560px;margin:0 0 28px;color:#1f1f1f}.section{padding:68px 0}.page-hero{background:var(--soft);border-bottom:1px solid var(--line);padding:58px 0}
.page-hero h1{font-size:52px}.page-hero p{font-size:21px;max-width:820px}
.grid-2{display:grid;grid-template-columns:1fr 1.25fr;gap:54px;align-items:start}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
h2{font-size:34px;line-height:1.05;letter-spacing:-.02em;margin:0 0 18px;font-weight:900}h3{font-size:24px;line-height:1.1;margin:0 0 12px;font-weight:900}
p{margin:0 0 18px;color:#333;font-size:18px}.checklist{list-style:none;margin:26px 0 0;padding:0;display:grid;gap:11px}.checklist li{position:relative;padding-left:28px;font-size:17px}.checklist li:before{content:"✓";position:absolute;left:0;top:0;color:var(--gold);font-weight:900}
.card{background:var(--soft);padding:34px;border:1px solid var(--line)}.white-card{background:#fff;padding:30px;border:1px solid var(--line);box-shadow:0 12px 30px rgba(0,0,0,.05)}
.product-card{text-decoration:none;color:#111;background:#fff;border:1px solid var(--line);padding:34px;min-height:235px;display:flex;flex-direction:column;justify-content:space-between;box-shadow:0 10px 30px rgba(0,0,0,.05)}
.product-card:hover{border-color:var(--gold);transform:translateY(-2px)}.product-card .big{font-size:42px;color:var(--gold);font-weight:900}.product-card p{font-size:16px}
.ideal-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.ideal{background:#fff;border:1px solid var(--line);padding:24px 18px;min-height:132px;display:flex;flex-direction:column;justify-content:center;text-align:center;font-weight:900;font-size:17px}
.icon{font-size:34px;line-height:1;margin-bottom:10px;color:var(--gold)}.dark-band{background:linear-gradient(135deg,#111,#202020);color:#fff;padding:42px;margin-top:20px}.dark-band p{color:#e7e7e7}
.estimator{background:var(--soft);border:1px solid var(--line);padding:26px;margin-top:28px;overflow-x:auto}table{width:100%;border-collapse:collapse;min-width:980px}
th{text-align:left;font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:#555;border-bottom:2px solid var(--line);padding:10px 8px}td{border-bottom:1px solid var(--line);padding:8px}
.estimator input,.estimator select{width:100%;min-height:38px;border:1px solid #cfcac0;padding:7px 8px;font:inherit;background:#fff}.estimator .num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.totals{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:22px}.total-card{background:#fff;border:1px solid var(--line);padding:18px}.total-card .label{font-size:13px;font-weight:900;text-transform:uppercase;letter-spacing:.1em;color:#666}.total-card .value{font-size:28px;font-weight:900;margin-top:4px}
.estimate-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}.pricing-note{font-size:15px;color:#555;margin:18px 0 0}
form{background:#fff;border:1px solid var(--line);padding:30px;box-shadow:0 18px 45px rgba(0,0,0,.08)}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
label{display:block;font-weight:800;font-size:14px;margin-bottom:6px}input,select,textarea{width:100%;border:1px solid #cfcac0;min-height:44px;padding:11px 12px;font:inherit;background:#fff}textarea{min-height:118px;resize:vertical}.full{grid-column:1/-1}.note{font-size:14px;color:var(--muted);margin-top:12px}
.guide-list{display:grid;gap:22px}.guide-item{border-left:5px solid var(--gold);padding:22px 26px;background:#fff;border-top:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.faq details{background:#fff;border:1px solid var(--line);padding:20px;margin-bottom:14px}.faq summary{font-weight:900;font-size:20px;cursor:pointer}.faq p{margin-top:12px}
.bottom-icons{background:#151515;color:#fff;padding:42px 0}.icon-row{display:grid;grid-template-columns:repeat(4,1fr);gap:0}.bottom-item{padding:0 28px;text-align:center;border-right:1px solid rgba(255,255,255,.28)}.bottom-item:last-child{border-right:0}.bottom-item .icon{color:var(--gold)}.bottom-item h3{margin:0 0 6px;font-size:18px}.bottom-item p{font-size:15px;color:#ddd;margin:0}
footer{background:#fff;padding:28px 0;border-top:1px solid var(--line);color:#555;font-size:15px}.footer-flex{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
@media(max-width:1000px){.nav{align-items:flex-start;flex-direction:column}.navlinks,.contact-small{flex-wrap:wrap;gap:14px}.grid-2{grid-template-columns:1fr}.grid-3,.ideal-grid,.icon-row,.totals{grid-template-columns:1fr 1fr}.form-grid{grid-template-columns:1fr}.full{grid-column:auto}}
@media(max-width:560px){.brand img{height:68px;width:auto}h1,.page-hero h1{font-size:38px}.lead{font-size:18px}.hero{background:linear-gradient(rgba(255,255,255,.88),rgba(255,255,255,.88)),url("historic-green-house.jpg") center/cover no-repeat}.hero-content{padding:52px 0}.grid-3,.ideal-grid,.icon-row,.totals{grid-template-columns:1fr}.bottom-item{border-right:0;border-bottom:1px solid rgba(255,255,255,.22);padding:24px}}


/* Shop layout and generic window drawings */
.shop-products{
  display:grid;
  grid-template-columns:repeat(4, minmax(0, 1fr));
  gap:18px;
}
.window-drawing{
  height:118px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  margin:4px 0 18px;
}
.window-drawing .caption{
  margin-top:8px;
  color:#666;
  font-size:13px;
  font-weight:900;
  text-transform:uppercase;
  letter-spacing:.08em;
}
.win-frame{
  width:82px;
  height:92px;
  border:5px solid #111;
  position:relative;
  background:linear-gradient(135deg, rgba(255,255,255,.95), rgba(209,224,235,.45));
  box-shadow:0 8px 20px rgba(0,0,0,.08);
}
.win-frame .pane span{
  position:absolute;
  inset:8px 12px auto auto;
  width:20px;
  height:54px;
  background:linear-gradient(135deg, rgba(255,255,255,.85), rgba(255,255,255,0));
  transform:skewX(-18deg);
}
.hung-drawing .pane-top,.hung-drawing .pane-bottom{
  position:absolute;
  left:0; right:0;
  height:43px;
}
.hung-drawing .pane-top{top:0;border-bottom:3px solid #111}
.hung-drawing .pane-bottom{bottom:0}
.hung-drawing .meeting{position:absolute;left:-5px;right:-5px;top:42px;height:7px;background:#111}
.hung-drawing .pane-top:before,.hung-drawing .pane-bottom:before{
  content:""; position:absolute; top:0; bottom:0; left:50%; border-left:3px solid #111;
}
.slider-drawing .win-frame{width:96px;height:72px}
.slider-drawing .left,.slider-drawing .right{position:absolute;top:0;bottom:0;width:48px}
.slider-drawing .left{left:0;border-right:3px solid #111}
.slider-drawing .right{right:0}
.slider-drawing .left:before,.slider-drawing .right:before{
  content:""; position:absolute; left:0; right:0; top:50%; border-top:3px solid #111;
}
.slider-drawing .slide-arrow{position:absolute;bottom:-24px;left:0;right:0;text-align:center;font-weight:900;color:var(--gold)}
.picture-drawing .win-frame{width:86px;height:86px}
.picture-drawing .full-pane:before,.picture-drawing .full-pane:after{
  content:""; position:absolute; background:#111;
}
.picture-drawing .full-pane:before{left:50%; top:0; bottom:0; width:3px}
.picture-drawing .full-pane:after{top:50%; left:0; right:0; height:3px}
.hinged-drawing .win-frame{width:86px;height:88px}
.hinged-drawing .hinge-side{position:absolute;left:-9px;top:12px;bottom:12px;width:5px;background:var(--gold)}
.hinged-drawing .casement-open{
  position:absolute;
  left:20px;
  top:8px;
  width:54px;
  height:72px;
  border:4px solid #111;
  transform:skewY(-8deg) rotate(-2deg);
  background:linear-gradient(135deg, rgba(255,255,255,.95), rgba(209,224,235,.45));
}
.hinged-drawing .casement-open:before,.hinged-drawing .casement-open:after{
  content:""; position:absolute; background:#111;
}
.hinged-drawing .casement-open:before{left:50%; top:0; bottom:0; width:3px}
.hinged-drawing .casement-open:after{top:50%; left:0; right:0; height:3px}
.hinged-drawing .swing-arc{
  position:absolute;
  left:4px;
  bottom:6px;
  width:55px;
  height:55px;
  border-bottom:3px solid var(--gold);
  border-radius:0 0 0 80px;
}
.meeting-rail:disabled{
  background:#efefef;
  color:#999;
}
@media(max-width:1100px){
  .shop-products{grid-template-columns:repeat(2, minmax(0, 1fr));}
}
@media(max-width:560px){
  .shop-products{grid-template-columns:1fr;}
}


/* v7 refined shop drawings and compact/larger logo behavior */
.shop-products .product-card{
  padding:24px 18px;
  min-height:300px;
}
.shop-products .product-card h2{
  font-size:26px;
  margin-bottom:8px;
}
.shop-products .product-card p{
  font-size:15px;
  line-height:1.35;
}
.shop-products .product-card .big{
  font-size:30px;
  margin-bottom:2px;
}
.window-drawing{
  height:132px;
  margin:2px 0 14px;
}
.window-drawing .caption{
  font-size:12px;
}
.win-frame{
  border:5px solid #111;
  border-radius:2px;
  background:linear-gradient(135deg, rgba(255,255,255,.96), rgba(221,235,244,.58));
}
.win-frame:after{
  content:"";
  position:absolute;
  top:9px;
  right:12px;
  width:18px;
  height:66%;
  transform:skewX(-18deg);
  background:linear-gradient(135deg, rgba(255,255,255,.86), rgba(255,255,255,0));
  pointer-events:none;
}

/* Hung: two sashes, meeting rail, colonial-style grids */
.hung-drawing .win-frame{
  width:78px;
  height:104px;
}
.hung-drawing .pane-top{
  position:absolute;
  left:0;
  right:0;
  top:0;
  height:44px;
  border-bottom:4px solid #111;
}
.hung-drawing .pane-bottom{
  position:absolute;
  left:6px;
  right:6px;
  bottom:5px;
  height:53px;
  border:3px solid #111;
  background:linear-gradient(135deg, rgba(255,255,255,.96), rgba(221,235,244,.58));
  transform:translateY(-3px);
}
.hung-drawing .meeting{
  position:absolute;
  left:-5px;
  right:-5px;
  top:43px;
  height:8px;
  background:#111;
}
.hung-drawing .pane-top:before,
.hung-drawing .pane-bottom:before{
  content:"";
  position:absolute;
  top:0;
  bottom:0;
  left:50%;
  border-left:3px solid #111;
}
.hung-drawing .pane-top:after,
.hung-drawing .pane-bottom:after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  top:50%;
  border-top:3px solid #111;
}

/* Slider: shorter/wider frame, overlapping operating sash, grid pattern */
.slider-drawing .win-frame{
  width:108px;
  height:76px;
}
.slider-drawing .left,
.slider-drawing .right{
  position:absolute;
  top:0;
  bottom:0;
  width:54px;
}
.slider-drawing .left{
  left:0;
  border-right:4px solid #111;
}
.slider-drawing .right{
  right:0;
}
.slider-drawing .left:before,
.slider-drawing .right:before{
  content:"";
  position:absolute;
  left:50%;
  top:0;
  bottom:0;
  border-left:3px solid #111;
}
.slider-drawing .left:after,
.slider-drawing .right:after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  top:50%;
  border-top:3px solid #111;
}
.slider-drawing .center-rail{
  position:absolute;
  left:49px;
  top:-5px;
  bottom:-5px;
  width:8px;
  background:#111;
  z-index:2;
}
.slider-drawing .slide-arrow{
  bottom:-27px;
  font-size:20px;
  letter-spacing:8px;
}

/* Keep PW and hinged consistent with refined line weight */
.picture-drawing .win-frame{
  width:86px;
  height:92px;
}
.hinged-drawing .win-frame{
  width:86px;
  height:92px;
}
@media(max-width:1100px){
  .brand img{height:78px;width:auto}
  .nav{min-height:82px}
}
@media(max-width:560px){
  .brand img{height:62px;width:auto}
  .nav{min-height:68px;padding:4px 18px}
}


/* v8 requested logo and arrow refinements */
.brand img{
  height:176px !important;
  width:auto !important;
  object-fit:contain;
}
.nav{
  min-height:184px !important;
  padding:6px 24px !important;
}

/* Slider: arrow above right sash, showing one sash moving left */
.slider-drawing .window-drawing,
.slider-drawing{
  overflow:visible;
}
.slider-drawing .slide-arrow{
  position:absolute;
  top:-34px;
  right:8px;
  left:auto !important;
  bottom:auto !important;
  width:48px;
  text-align:right;
  font-size:24px;
  letter-spacing:0;
  color:var(--gold);
}
.slider-drawing .slide-arrow::before{
  content:"←";
}
.slider-drawing .slide-arrow{
  color:transparent;
}

/* Hung: lower sash full width, arrow on right pointing up */
.hung-drawing .pane-bottom{
  left:0 !important;
  right:0 !important;
  bottom:3px !important;
  height:55px !important;
  border:0 !important;
  border-top:3px solid #111 !important;
  transform:translateY(-3px);
}
.hung-drawing .win-frame::before{
  content:"↑";
  position:absolute;
  right:-27px;
  bottom:16px;
  color:var(--gold);
  font-size:26px;
  font-weight:900;
  line-height:1;
}
@media(max-width:1100px){
  .brand img{height:136px !important;}
  .nav{min-height:144px !important;}
}
@media(max-width:560px){
  .brand img{height:100px !important;}
  .nav{min-height:110px !important;padding:6px 18px !important;}
}


/* v9 drawing fixes and estimator conditional hinged-side field */

/* Restore a cleaner single-hung drawing with even lower sash width, clean meeting rail, and one upward arrow */
.hung-drawing .win-frame{
  width:78px !important;
  height:104px !important;
  overflow:visible;
}
.hung-drawing .pane-top{
  position:absolute !important;
  left:0 !important;
  right:0 !important;
  top:0 !important;
  height:44px !important;
  border:0 !important;
  border-bottom:4px solid #111 !important;
  background:transparent !important;
}
.hung-drawing .pane-bottom{
  position:absolute !important;
  left:0 !important;
  right:0 !important;
  bottom:0 !important;
  height:56px !important;
  border:0 !important;
  border-top:0 !important;
  background:transparent !important;
  transform:none !important;
}
.hung-drawing .meeting{
  position:absolute !important;
  left:0 !important;
  right:0 !important;
  top:44px !important;
  height:6px !important;
  background:#111 !important;
}
.hung-drawing .pane-top:before,
.hung-drawing .pane-bottom:before{
  content:"" !important;
  position:absolute !important;
  top:0 !important;
  bottom:0 !important;
  left:50% !important;
  border-left:3px solid #111 !important;
}
.hung-drawing .pane-top:after,
.hung-drawing .pane-bottom:after{
  content:"" !important;
  position:absolute !important;
  left:0 !important;
  right:0 !important;
  top:50% !important;
  border-top:3px solid #111 !important;
}
.hung-drawing .win-frame::before{
  content:"↑" !important;
  position:absolute !important;
  right:-28px !important;
  bottom:18px !important;
  color:var(--gold) !important;
  font-size:28px !important;
  font-weight:900 !important;
  line-height:1 !important;
}

/* Slider arrow: visible, above right side, pointing left */
.slider-drawing .win-frame{
  overflow:visible;
}
.slider-drawing .slide-arrow{
  position:absolute !important;
  top:-39px !important;
  right:5px !important;
  left:auto !important;
  bottom:auto !important;
  width:auto !important;
  height:auto !important;
  color:var(--gold) !important;
  font-size:28px !important;
  font-weight:900 !important;
  letter-spacing:0 !important;
  text-align:right !important;
  z-index:9 !important;
}
.slider-drawing .slide-arrow::before{
  content:"" !important;
}
.slider-drawing .slide-arrow{
  visibility:hidden;
}
.slider-drawing .slide-arrow::after{
  content:"←";
  visibility:visible;
  color:var(--gold);
  position:absolute;
  right:0;
  top:0;
}

/* Sketch links on How To page */
.sketch-link{
  color:var(--gold);
  font-weight:900;
  text-decoration:underline;
  text-underline-offset:3px;
}
.sketch-note{
  margin-top:8px;
  font-size:15px;
  color:#666;
}

/* Conditional estimator fields */
.hinged-side:disabled,
.meeting-rail:disabled{
  background:#efefef;
  color:#999;
}


/* v10 unified operation arrows, clean links, and estimator install fields */
.hung-drawing .win-frame::before,
.slider-drawing .win-frame::before{
  color:var(--gold) !important;
  font-family:Arial, sans-serif !important;
  font-size:30px !important;
  font-weight:900 !important;
  line-height:1 !important;
  text-shadow:none !important;
}
.hung-drawing .win-frame::before{
  content:"↑" !important;
  position:absolute !important;
  right:-30px !important;
  bottom:20px !important;
}
.slider-drawing .win-frame::before{
  content:"←" !important;
  position:absolute !important;
  right:7px !important;
  top:-40px !important;
}
.slider-drawing .slide-arrow{
  display:none !important;
}
.install-type{
  min-width:112px;
}
.hinged-side:disabled{
  opacity:.7;
}


/* HPO Parent Company Section */
.hpo-parent{
  background:#f8f7f4;
  border-top:1px solid var(--line);
}
.hpo-card{
  text-align:center;
}
.hpo-card img{
  max-width:280px;
  width:100%;
  height:auto;
  margin:0 auto 20px;
  display:block;
}

/* v14 SEO/product page upgrades */
.trust-strip{background:#111;color:#fff;padding:28px 0}
.trust-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;text-align:center}
.trust-item{border-right:1px solid rgba(255,255,255,.22);padding:0 14px;font-weight:900}
.trust-item:last-child{border-right:0}
.trust-item span{display:block;color:var(--gold);font-size:13px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:6px}
.product-links{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.product-link-card{background:#fff;border:1px solid var(--line);padding:26px;text-decoration:none;color:#111;box-shadow:0 10px 28px rgba(0,0,0,.05);transition:.15s ease}
.product-link-card:hover{transform:translateY(-2px);border-color:var(--gold)}
.product-link-card h3{font-size:24px;margin-bottom:8px}
.product-link-card p{font-size:16px}
.feature-band{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.content-wrap{max-width:980px;margin:0 auto;padding:0 24px}
.content-wrap h2{margin-top:34px}
.content-wrap h3{margin-top:26px}
.cta-panel{background:#111;color:#fff;padding:38px;margin-top:34px}
.cta-panel p{color:#e8e8e8}
.cta-panel .btn{margin-right:10px}
.internal-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}
.internal-links a{border:1px solid var(--line);padding:10px 14px;text-decoration:none;font-weight:900;background:#fff}
.internal-links a:hover{border-color:var(--gold);color:var(--gold)}
.faq-mini details{background:#fff;border:1px solid var(--line);padding:16px;margin:12px 0}
.faq-mini summary{font-weight:900;cursor:pointer}
.home-product-intro{background:#fff}
.seo-note{font-size:15px;color:#666}
@media(max-width:1000px){.trust-grid,.product-links{grid-template-columns:repeat(2,1fr)}.trust-item{border-right:0;border-bottom:1px solid rgba(255,255,255,.22);padding:14px}}
@media(max-width:560px){.trust-grid,.product-links{grid-template-columns:1fr}}