:root{--sf-ink:#07111f;--sf-muted:#64748b;--sf-line:#dbe4ef;--sf-card:#ffffff;--sf-soft:#f8fafc;--sf-accent:#0f766e;--sf-cyan:#0e7490;--sf-warn:#b45309;--sf-shadow:0 24px 70px rgba(15,23,42,.12);--sf-shadow-sm:0 12px 34px rgba(15,23,42,.08)}
html{scroll-padding-top:92px}body{background:radial-gradient(circle at top left,rgba(14,165,233,.13),transparent 30%),linear-gradient(180deg,#f8fafc 0%,#edf3f9 45%,#eaf0f7 100%)!important;color:var(--sf-ink)}
a{color:inherit}.sf-site,.sf-page{max-width:1180px;margin:0 auto;padding:18px}.sf-topbar{display:flex;align-items:center;justify-content:space-between;gap:18px;margin:0 0 18px}.sf-brand{display:flex;align-items:center;gap:12px;text-decoration:none!important;color:var(--sf-ink);font-weight:950;letter-spacing:-.035em}.sf-brand img{height:42px;width:auto;display:block}.sf-brand-name{display:flex;flex-direction:column;line-height:1.05}.sf-brand-name strong{font-size:1.05rem}.sf-brand-name span{font-size:.72rem;color:var(--sf-muted);letter-spacing:.08em;text-transform:uppercase}.sf-nav{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end;align-items:center}.sf-nav a,.sf-search-nav{padding:9px 12px;text-decoration:none!important;border:1px solid rgba(15,23,42,.08);background:rgba(255,255,255,.76);border-radius:999px;color:#334155;font-weight:850;font-size:.82rem;line-height:1.2;font-family:inherit;cursor:pointer}.sf-nav a:hover,.sf-search-nav:hover{border-color:#99f6e4;background:#ecfdf5;color:#064e3b}.sf-hero,.sf-page .hero{position:relative;overflow:hidden;border-radius:34px;background:linear-gradient(135deg,#07111f 0%,#111c2d 50%,#0e7490 135%)!important;color:white!important;box-shadow:var(--sf-shadow);padding:38px 32px!important;margin-bottom:16px}.sf-hero:before,.sf-page .hero:before{content:"";position:absolute;inset:-2px;background:radial-gradient(circle at 84% 14%,rgba(255,255,255,.2),transparent 25%),radial-gradient(circle at 9% 105%,rgba(45,212,191,.18),transparent 34%);pointer-events:none}.sf-hero>* ,.sf-page .hero>*{position:relative}.sf-hero-grid,.sf-page .hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:28px;align-items:end}.sf-eyebrow,.sf-page .eyebrow{margin:0 0 9px;color:#99f6e4!important;text-transform:uppercase;font-size:.74rem;letter-spacing:.16em;font-weight:950}.sf-eyebrow.dark{color:var(--sf-accent)!important}.sf-hero h1,.sf-page .hero h1{font-size:clamp(2.25rem,6vw,4.6rem)!important;line-height:.98!important;letter-spacing:-.065em!important;margin:0!important;max-width:850px;color:#fff!important}.sf-lead,.sf-page .lead{font-size:1.08rem;line-height:1.65;color:#dbeafe!important;max-width:780px;margin:16px 0 0}.sf-page .cta-row,.sf-hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.sf-btn,.sf-page .cta{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:12px 17px;background:white!important;color:#07111f!important;border-radius:15px;font-weight:950;text-decoration:none!important;box-shadow:0 14px 34px rgba(0,0,0,.16);border:0}.sf-btn.secondary,.sf-page .cta.secondary{background:rgba(255,255,255,.12)!important;color:white!important;border:1px solid rgba(255,255,255,.25)!important;box-shadow:none}.sf-btn.light{background:#fff;color:#07111f;border:1px solid var(--sf-line);box-shadow:var(--sf-shadow-sm)}.sf-trust-card,.sf-page .hero-card{background:rgba(255,255,255,.1)!important;border:1px solid rgba(255,255,255,.2)!important;border-radius:26px!important;padding:18px!important;backdrop-filter:blur(8px);color:#e2e8f0!important}.sf-page .hero-card b{display:block;color:#fff;font-size:1.5rem;letter-spacing:-.05em;margin-bottom:8px}.sf-page .hero-card span{color:#e2e8f0;line-height:1.5}.sf-trust-card h2{font-size:1.02rem;margin:0 0 12px;letter-spacing:-.02em}.sf-trust-list{display:grid;gap:10px}.sf-trust-list div{display:flex;gap:10px;color:#e2e8f0;font-size:.9rem;line-height:1.45}.sf-tick{width:22px;height:22px;flex:0 0 22px;border-radius:999px;background:#99f6e4;color:#064e3b;display:inline-flex;align-items:center;justify-content:center;font-weight:950;font-size:.78rem}.sf-tool-strip{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:14px;margin-top:16px}.sf-tool-card{background:rgba(255,255,255,.9);border:1px solid rgba(255,255,255,.95);border-radius:22px;padding:16px;box-shadow:var(--sf-shadow-sm);text-decoration:none!important;color:var(--sf-ink);min-height:122px}.sf-tool-card span{display:block;color:var(--sf-accent);font-weight:950;font-size:.75rem;text-transform:uppercase;letter-spacing:.1em;margin-bottom:8px}.sf-tool-card strong{display:block;font-size:1.05rem;letter-spacing:-.025em}.sf-tool-card p{margin:8px 0 0;color:var(--sf-muted);font-size:.86rem;line-height:1.45}.sf-calculator-shell{max-width:1180px;margin:18px auto 0;padding:0 18px}.sf-calculator-intro{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:14px;align-items:center;background:rgba(255,255,255,.9);border:1px solid rgba(255,255,255,.98);border-radius:26px;padding:20px 22px;box-shadow:var(--sf-shadow-sm);margin-bottom:14px}.sf-calculator-intro h2{margin:0;font-size:1.6rem;letter-spacing:-.04em}.sf-calculator-intro p{margin:6px 0 0;color:var(--sf-muted);line-height:1.55}.sf-mini-note{border-left:4px solid var(--sf-accent);background:#ecfdf5;color:#065f46;border-radius:14px;padding:12px 14px;font-size:.86rem;line-height:1.5}.app-shell{background:transparent!important;min-height:0!important;padding:0!important}.page-wrap{max-width:1180px!important}.compact-hero{display:none!important}.panel{background:rgba(255,255,255,.92)!important;border:1px solid rgba(255,255,255,.98)!important;border-radius:28px!important;box-shadow:var(--sf-shadow-sm)!important}.input-panel{top:14px!important}.results-panel{min-height:620px}.segmented-control button,.premium-select,.project-input{font-size:16px}.result-card{border-radius:20px!important}.sf-content{max-width:1180px;margin:0 auto;padding:18px}.sf-section,.sf-page .section{margin-top:18px}.sf-section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin:0 0 12px}.sf-section-head h2{margin:0;font-size:clamp(1.55rem,3vw,2.15rem);letter-spacing:-.045em;color:var(--sf-ink)}.sf-section-head p{margin:6px 0 0;color:var(--sf-muted);line-height:1.58;max-width:720px}.sf-card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.sf-card-grid.two{grid-template-columns:repeat(2,1fr)}.sf-card-grid.four{grid-template-columns:repeat(4,1fr)}.sf-info-card,.sf-page .card{background:rgba(255,255,255,.92)!important;border:1px solid rgba(255,255,255,.98)!important;border-radius:24px!important;padding:20px!important;box-shadow:var(--sf-shadow-sm)!important;color:var(--sf-ink)}.sf-info-card h3,.sf-page .card h3{margin:0 0 8px;font-size:1.08rem;letter-spacing:-.025em;color:var(--sf-ink)}.sf-page .section h2,.sf-info-card h2{margin-top:0;letter-spacing:-.035em;color:var(--sf-ink)}.sf-info-card p,.sf-info-card li,.sf-page .card p,.sf-page .card li{color:var(--sf-muted);line-height:1.62}.sf-info-card p{margin:0}.sf-info-card ul{margin:.5rem 0 0;padding-left:1.1rem}.sf-step{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:999px;background:#ccfbf1;color:#064e3b;font-weight:950;margin-bottom:12px}.sf-link-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.sf-link-card{display:flex;flex-direction:column;gap:8px;text-decoration:none!important;color:var(--sf-ink);background:#fff;border:1px solid #e2e8f0;border-radius:20px;padding:16px;box-shadow:0 6px 20px rgba(15,23,42,.06);min-height:135px}.sf-link-card strong{letter-spacing:-.02em}.sf-link-card span{color:var(--sf-muted);font-size:.88rem;line-height:1.45}.sf-link-card em{margin-top:auto;font-style:normal;color:var(--sf-accent);font-size:.82rem;font-weight:950}.sf-page .link-list{display:grid!important;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px!important}.sf-page .link-list a{display:flex;align-items:center;min-height:48px;background:#fff;border:1px solid #e2e8f0;border-radius:16px;padding:11px 13px;text-decoration:none!important;color:#0f172a;font-weight:850;box-shadow:0 6px 18px rgba(15,23,42,.05)}.sf-page .link-list a:hover{border-color:#99f6e4;background:#ecfdf5;color:#064e3b}.sf-page .breadcrumbs{margin:0 0 12px;color:#64748b;font-size:.86rem}.sf-page .breadcrumbs a{text-decoration:none;color:#0f766e;font-weight:850}.sf-page .grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.sf-page table{width:100%;border-collapse:collapse;background:#fff;border-radius:18px;overflow:hidden}.sf-page th,.sf-page td{padding:12px 14px;border-bottom:1px solid #e2e8f0;text-align:left;vertical-align:top}.sf-page th{background:#f8fafc;color:#64748b;text-transform:uppercase;letter-spacing:.08em;font-size:.73rem}.sf-page td{color:#475569;line-height:1.5}.sf-at-glance{overflow:hidden;border:1px solid #e2e8f0;border-radius:24px;background:#fff;box-shadow:var(--sf-shadow-sm)}.sf-at-glance table{width:100%;border-collapse:collapse}.sf-at-glance th,.sf-at-glance td{padding:14px;text-align:left;border-bottom:1px solid #edf2f7;vertical-align:top}.sf-at-glance th{background:#f8fafc;text-transform:uppercase;letter-spacing:.08em;color:#64748b;font-size:.73rem}.sf-at-glance td{color:#475569;line-height:1.5}.sf-at-glance td:first-child{font-weight:950;color:#07111f}.sf-disclaimer{border-left:4px solid var(--sf-warn);background:#fffbeb;color:#78350f;border-radius:18px;padding:16px 18px;line-height:1.62}.sf-page .footer{display:none}.sf-footer{margin-top:22px;background:#07111f;color:#dbeafe;border-radius:28px;padding:26px;box-shadow:var(--sf-shadow)}.sf-footer-grid{display:grid;grid-template-columns:1.2fr repeat(3,1fr);gap:22px}.sf-footer h3,.sf-footer h4{margin:0 0 10px;color:#fff}.sf-footer p{color:#cbd5e1;line-height:1.58;margin:0}.sf-footer a{display:block;color:#dbeafe;text-decoration:none!important;padding:5px 0;font-size:.9rem}.sf-footer a:hover{color:#99f6e4}.sf-footer-small{margin-top:18px;padding-top:16px;border-top:1px solid rgba(255,255,255,.12);font-size:.82rem;color:#94a3b8;line-height:1.55}.seo-home.compact{display:none!important}
@media(max-width:1020px){.sf-card-grid.four{grid-template-columns:repeat(2,1fr)}}
@media(max-width:900px){.sf-site,.sf-content,.sf-page{padding:12px}.sf-topbar{align-items:flex-start;flex-direction:column}.sf-nav{justify-content:flex-start;overflow:auto;width:100%;flex-wrap:nowrap;padding-bottom:4px}.sf-nav a,.sf-search-nav{white-space:nowrap}.sf-hero,.sf-page .hero{border-radius:24px;padding:24px 18px!important}.sf-hero-grid,.sf-page .hero-grid,.sf-calculator-intro,.sf-card-grid,.sf-card-grid.two,.sf-card-grid.four,.sf-link-grid,.sf-footer-grid,.sf-page .grid{grid-template-columns:1fr}.sf-page .link-list{grid-template-columns:1fr!important}.sf-tool-strip{grid-template-columns:1fr 1fr}.sf-calculator-shell{padding:0 12px}.sf-section-head{display:block}.sf-brand img{height:38px}.results-panel{min-height:auto}.input-panel{position:static!important}}
@media(max-width:520px){.sf-tool-strip{grid-template-columns:1fr}.sf-hero h1,.sf-page .hero h1{font-size:2.15rem!important}.sf-btn,.sf-page .cta{width:100%}.sf-hero-actions,.sf-page .cta-row{display:grid}.sf-at-glance{overflow:auto}.sf-at-glance table{min-width:680px}.sf-footer{border-radius:22px;padding:20px}}

.pguide-product-card[id]{scroll-margin-top:90px}.pguide-source-row .pguide-source{line-height:1.15;text-align:center}.pguide-product-card .pguide-tags span{white-space:normal}

/* Coming soon roof tools */
.sf-coming-soon-card{position:relative;opacity:.96;background:linear-gradient(180deg,#fff,#f8fafc)!important;border-style:dashed!important}
.sf-coming-soon-card:after{content:'Coming soon';position:absolute;top:12px;right:12px;border-radius:999px;background:#ecfdf5;color:#0f766e;border:1px solid #99f6e4;font-size:.68rem;font-weight:950;letter-spacing:.08em;text-transform:uppercase;padding:4px 8px}
.sf-link-card.sf-coming-soon-card em{color:#64748b}.sf-footer .sf-footer-coming{display:block;color:#94a3b8;padding:5px 0;font-size:.9rem}.sf-page .link-list .sf-coming-soon-link{display:flex;align-items:center;min-height:48px;background:#f8fafc;border:1px dashed #cbd5e1;border-radius:16px;padding:11px 13px;color:#64748b;font-weight:850}.sf-page .link-list .sf-coming-soon-link:after{content:'coming soon';margin-left:auto;font-size:.68rem;text-transform:uppercase;letter-spacing:.08em;color:#0f766e;background:#ecfdf5;border:1px solid #99f6e4;border-radius:999px;padding:3px 7px}