:root{
  --red:#BE1E2D;
  --red-dark:#8E1620;
  --ink:#191919;
  --surface:#2d2d2d;
  --slate:#4A4A4A;
  --line:#E2E2E0;
  --paper:#f6f6f5;
  --serif:'Zilla Slab',Rockwell,'Roboto Slab',Georgia,serif;
  --sans:'Source Sans 3','Helvetica Neue',Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:140px}
body{font-family:var(--sans);color:var(--ink);background:#fff;line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:var(--serif)}
p{color:var(--slate)}
a{border-radius:0}
.wrap{max-width:1120px;margin:0 auto;padding-left:28px;padding-right:28px}
.utilbar{background:var(--surface);color:#f2f2f2}
.utilbar .wrap{display:flex;justify-content:space-between;align-items:center;padding-top:7px;padding-bottom:7px;font-size:11px;letter-spacing:1.6px;text-transform:uppercase;flex-wrap:wrap;gap:6px}
.utilbar .r{color:var(--red);font-weight:700}
header.top{background:#fff;border-bottom:4px solid var(--red);position:sticky;top:0;z-index:50;box-shadow:0 10px 24px -6px rgba(0,0,0,.32)}
header.top>.wrap{display:flex;align-items:center;justify-content:space-between;padding-top:12px;padding-bottom:12px;gap:16px;flex-wrap:wrap}
.brand{display:flex;flex-direction:column;align-items:center;text-decoration:none;text-align:center;line-height:0}
.brand img{height:66px;width:auto;display:block}
.brand .slogan{font-family:var(--serif);font-style:italic;font-weight:600;font-size:15px;line-height:1.2;color:var(--red);margin-top:9px;letter-spacing:.3px}
.headright{display:flex;align-items:center;gap:24px;flex-wrap:wrap;justify-content:flex-end}
.contact{order:1;display:flex;flex-direction:column;gap:4px;border-left:1px solid #d5d5d5;padding-left:16px}
.contact a{color:var(--ink);text-decoration:none;font-size:13.5px;font-weight:600}
.contact a:hover{color:var(--red)}
nav.toc{display:flex;gap:20px;align-items:center;flex-wrap:wrap}
nav.toc>a,.dd-trigger{color:var(--slate);text-decoration:none;font-size:13.5px;letter-spacing:1.2px;text-transform:uppercase;font-weight:600;padding-bottom:3px;border-bottom:2px solid transparent}
nav.toc>a:hover,.dd-trigger:hover{color:var(--ink);border-color:var(--red)}
.dd{position:relative;display:inline-flex;align-items:center}
.dd-trigger{display:inline-flex;align-items:center;gap:5px;cursor:pointer}
.caret{transition:transform .2s ease}
.dd-menu{position:absolute;top:100%;left:0;min-width:310px;max-height:70vh;overflow-y:auto;background:#fff;border:1px solid var(--line);border-top:3px solid var(--red);box-shadow:0 16px 36px rgba(0,0,0,.16);padding:6px 0;display:none;z-index:60}
.dd:hover .dd-menu,.dd.open .dd-menu{display:block}
.dd:hover .caret,.dd.open .caret{transform:rotate(180deg)}
nav.toc .dd-menu a{display:block;padding:9px 20px;color:var(--slate);text-decoration:none;font-size:13px;font-weight:600}
nav.toc .dd-menu a:hover,nav.toc .dd-menu a[aria-current="page"]{background:var(--paper);color:var(--red)}
.hero{position:relative;min-height:430px;background-position:center;background-size:cover;display:flex;align-items:flex-end}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.72),rgba(0,0,0,.28))}
.hero .wrap{position:relative;z-index:1;width:100%;padding-top:76px;padding-bottom:72px}
.crumb{display:inline-flex;background:var(--red);color:#fff;padding:7px 12px;font-size:12px;text-transform:uppercase;letter-spacing:1.6px;font-weight:700}
.hero h1{max-width:880px;color:#fff;font-size:clamp(36px,5vw,60px);line-height:1.05;margin-top:18px}
.hero p{max-width:760px;color:#f1f1f1;font-size:clamp(18px,2vw,21px);line-height:1.5;margin-top:18px}
.content{padding:72px 0;background:var(--paper)}
.panel{background:#fff;border-top:4px solid var(--red);box-shadow:0 16px 45px rgba(0,0,0,.12);padding:50px 54px}
.intro-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(260px,.75fr);gap:48px}
.copy h2,.side h2{font-size:28px;line-height:1.2;margin-bottom:18px}
.copy p{font-size:17px;margin-bottom:18px;color:#2b2b2b}
.side{border-left:1px solid var(--line);padding-left:32px}
.side ul{list-style:none}
.side li{position:relative;padding:11px 0 11px 22px;border-top:1px solid var(--line);color:#333}
.side li:first-child{border-top:0}
.side li::before{content:"";position:absolute;left:0;top:21px;width:8px;height:8px;background:var(--red)}
.note{margin-top:28px;padding:22px 24px;border-left:5px solid var(--red);background:#fafafa}
.note h3{font-size:20px;margin-bottom:8px}
.note p{margin:0;font-size:16px}
.details{padding:72px 0;background:#fff}
.section-title{display:flex;align-items:center;gap:16px;margin-bottom:34px}
.section-title::before{content:"";width:44px;height:3px;background:var(--red)}
.section-title h2{font-size:30px}
.detail-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.detail-card{border:1px solid var(--line);border-top:4px solid var(--red);padding:28px;background:#fff}
.detail-card h3{font-size:22px;margin-bottom:12px}
.detail-card p{line-height:1.7}
.small-jobs{margin-top:28px;background:var(--surface);border-left:6px solid var(--red);padding:30px 34px;color:#fff}
.small-jobs h3{font-size:23px;margin-bottom:9px}
.small-jobs p{color:#e5e5e5}
.process{padding:70px 0;background:var(--paper)}
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.step{counter-increment:step;background:#fff;border-top:4px solid var(--red);padding:27px 25px}
.step::before{content:counter(step);display:flex;align-items:center;justify-content:center;width:38px;height:38px;background:var(--red);color:#fff;font-family:var(--serif);font-weight:800;margin-bottom:17px}
.step h3{font-size:20px;margin-bottom:9px}
.faq-section{padding:72px 0}
.faq{max-width:900px;margin:0 auto}
.faq details{border-top:1px solid var(--line);padding:20px 0}
.faq summary{cursor:pointer;font-family:var(--serif);font-size:19px;font-weight:700;color:var(--ink)}
.faq details p{padding-top:10px;max-width:820px}
.related{padding:50px 0;background:var(--paper)}
.related h2{text-align:center;margin-bottom:24px;font-size:27px}
.related-links{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}
.related-links a{border:1px solid #cfcfcd;border-left:4px solid var(--red);background:#fff;color:var(--ink);text-decoration:none;padding:10px 14px;font-weight:700}
.related-links a:hover{color:var(--red);border-color:var(--red)}
.cta{background:var(--ink);color:#fff;padding:48px 0}
.cta .wrap{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta h2{font-size:29px;margin-bottom:6px}
.cta p{color:#d6d6d6}
.btns{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;background:#fff;color:var(--ink);text-decoration:none;border-left:5px solid var(--red);padding:13px 20px;font-weight:800}
.btn:hover{background:#f1f1f1}
.roofline{line-height:0;font-size:0;background:#fff}
.roofline svg{display:block;width:100%;height:104px}
footer{background:var(--ink);color:#aaa}
.foot-top{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;padding:38px 0;border-bottom:1px solid #333}
.foot-logo-panel{background:#fff;padding:22px 34px;display:inline-flex}
.lock-light{display:flex;flex-direction:column;align-items:center;text-align:center}
.lock-light img{height:66px;width:auto;display:block}
.lock-light span{font-family:var(--serif);font-style:italic;font-weight:600;font-size:15px;color:var(--red);margin-top:6px}
.foot-badge{background:var(--red);color:#fff;padding:16px 28px;text-align:center}
.fb-title{font-family:var(--serif);font-weight:700;font-size:20px;line-height:1}
.fb-sub{font-size:11px;letter-spacing:2px;text-transform:uppercase;margin-top:7px}
.foot{display:grid;grid-template-columns:1.3fr 1.4fr 1fr;gap:40px;padding:44px 0 36px}
.fcol h4{color:#fff;font-family:var(--serif);font-size:14px;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:14px}
.fcol a{display:block;color:#bdbdbd;text-decoration:none;font-size:14px;padding:4px 0}
.fcol a:hover{color:#fff}
.fcol p{color:#aaa;line-height:1.7}
.footbar{border-top:1px solid #333}
.footbar .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;padding-top:16px;padding-bottom:16px;font-size:12.5px;color:#8a8a8a}
.footbar a{color:#aaa;text-decoration:none}
@media(max-width:900px){.intro-grid{grid-template-columns:1fr}.side{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:26px}.detail-grid{grid-template-columns:1fr}.steps{grid-template-columns:1fr}}
@media(max-width:760px){
  .utilbar .wrap{justify-content:center}.utilbar span:first-child{display:none}
  header.top>.wrap{justify-content:center;padding-top:10px;padding-bottom:10px;gap:7px}
  .brand img{height:44px}.brand .slogan{display:none}.headright{width:100%;justify-content:center;gap:0}.contact{display:none}
  nav.toc{gap:13px;justify-content:center}nav.toc>a,.dd-trigger{font-size:11.5px;letter-spacing:.6px}
  .dd-menu{position:fixed;top:109px;left:18px;right:18px;min-width:0;max-height:65vh}
  .hero{min-height:360px}.hero .wrap{padding-top:60px;padding-bottom:58px}.hero::before{background:rgba(0,0,0,.58)}
  .content,.details,.process,.faq-section{padding:54px 0}.panel{padding:32px 22px}.copy h2,.side h2{font-size:25px}.copy p{font-size:16px}
  .foot{grid-template-columns:1fr;gap:28px}.cta .wrap{align-items:flex-start}.roofline svg{height:72px}
}
@media(max-width:430px){.wrap{padding-left:20px;padding-right:20px}.hero h1{font-size:34px}.foot-logo-panel{padding:17px 20px}.foot-badge{width:100%}}