:root{
  --navy:#0A1931; --navy2:#0F2647; --gold:#DDA94E; --gold2:#C9832E;
  --ink:#171B24; --muted:#5B6474; --line:#e5e7eb; --bg-alt:#fafaf9; --white:#ffffff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Poppins',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--white);-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:1280px;margin:0 auto;padding:0 24px}
.eyebrow{font-size:12px;letter-spacing:.14em;text-transform:uppercase;font-weight:700;color:var(--gold2)}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.15}
p{line-height:1.7;color:var(--muted);margin:0 0 14px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border-radius:999px;font-weight:700;font-size:13.5px;letter-spacing:.03em;text-transform:uppercase;border:none;cursor:pointer;text-align:center}
.btn-gold{background:linear-gradient(90deg,var(--gold),var(--gold2));color:#241a05}
.btn-gold:hover{filter:brightness(1.06)}
.btn-outline{background:transparent;border:1.5px solid rgba(255,255,255,.5);color:#fff}
.btn-dark-outline{background:transparent;border:1.5px solid rgba(10,25,49,.25);color:var(--navy)}
.btn-block{width:100%;justify-content:center}

/* topbar */
.topbar{background:var(--navy);color:#cfd6e4;font-size:12.5px;border-bottom:1px solid rgba(255,255,255,.08)}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:34px;flex-wrap:wrap;gap:6px}
.topbar a{color:var(--gold)}
.topbar .right{font-weight:600}

/* nav */
nav.mainnav{position:sticky;top:0;z-index:100;background:var(--navy);border-bottom:1px solid rgba(255,255,255,.1);box-shadow:0 2px 14px rgba(0,0,0,.25)}
nav.mainnav .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:14px;line-height:1.25;background:none;border:none;cursor:pointer}
.brand img{height:38px;width:38px;border-radius:50%}
.brand .sub{display:block;color:var(--gold);font-weight:600;font-size:11px;letter-spacing:.05em}
.navlinks{display:flex;align-items:center;gap:2px}
.navlinks>*{position:relative}
.navlinks a.navitem, .navlinks button.navitem{color:#fff;font-size:13px;font-weight:600;letter-spacing:.02em;padding:10px 14px;background:none;border:none;cursor:pointer;display:inline-flex;align-items:center;gap:5px;text-transform:uppercase}
.navlinks button.navitem:hover, .navlinks a.navitem:hover{color:var(--gold)}
.caret{font-size:9px;opacity:.8}
.navbadge{background:var(--gold);color:#241a05;font-size:8.5px;font-weight:800;letter-spacing:.04em;padding:2px 6px;border-radius:999px;text-transform:uppercase;line-height:1.4}
.dropdown{position:absolute;top:100%;left:0;background:#fff;min-width:250px;border-radius:10px;box-shadow:0 18px 40px rgba(0,0,0,.22);padding:8px;display:none;border:1px solid var(--line)}
.dropdown.dropdown-force-open{display:block}
.dropdown a{display:block;padding:9px 14px;border-radius:7px;font-size:13.5px;color:var(--ink);font-weight:600}
.dropdown a:hover{background:var(--bg-alt);color:var(--gold2)}
.navcta{margin-left:8px}
.mobile-toggle{display:none;background:none;border:none;color:#fff;font-size:22px;cursor:pointer}
#mobile-menu{display:none;background:var(--navy2);border-top:1px solid rgba(255,255,255,.1)}
#mobile-menu.open{display:block}
#mobile-menu .wrap{padding:14px 24px;display:flex;flex-direction:column;gap:2px;height:auto;max-height:70vh;overflow-y:auto}
#mobile-menu a, #mobile-menu button{color:#fff;text-align:left;background:none;border:none;padding:11px 4px;font-size:14px;font-weight:600;border-bottom:1px solid rgba(255,255,255,.08);width:100%}
#mobile-menu .sub-links{padding-left:14px;display:flex;flex-direction:column}
#mobile-menu .sub-links a{border-bottom:none;font-weight:500;font-size:13px;color:#cfd6e4;padding:8px 4px}

/* hero */
.hero{position:relative;min-height:560px;background-size:cover;background-position:center;display:flex;align-items:center;color:#fff;overflow:hidden}
.hero:before{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,16,42,.94) 15%,rgba(6,16,42,.55) 55%,rgba(6,16,42,.25) 100%)}
.hero .wrap{position:relative;z-index:2;padding-top:70px;padding-bottom:70px}
.hero-badge{display:inline-block;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);padding:7px 16px;border-radius:999px;font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;font-weight:700;margin-bottom:22px}
.hero h1{font-size:44px;color:#fff;max-width:680px}
.hero h1 .gold{color:var(--gold)}
.hero p.lead{color:#d7dce6;max-width:560px;font-size:16px;margin-top:18px}
.hero-actions{display:flex;gap:14px;margin-top:26px;flex-wrap:wrap}
/* Home page = hero only, sized to the remaining viewport so the page does not scroll */
.hero-full{min-height:calc(100vh - 104px);display:flex;flex-direction:column;justify-content:center}
.hero-strip{display:flex;gap:26px;flex-wrap:wrap;margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.15);font-size:12.5px;color:#cfd6e4;font-weight:600}
@media(max-width:700px){
  .hero-full{min-height:calc(100vh - 104px)}
  .hero .wrap{padding-top:32px;padding-bottom:32px}
  .hero h1{font-size:26px}
  .hero p.lead{font-size:14px;margin-top:12px}
  .hero-badge{margin-bottom:14px;padding:5px 12px;font-size:10.5px}
  .hero-actions{margin-top:18px;gap:10px}
  .hero-strip{margin-top:20px;padding-top:14px;gap:12px;font-size:10.5px}
}
@media(max-height:760px){.hero-strip{display:none}}
@media(max-height:820px) and (min-width:701px){
  .hero .wrap{padding-top:40px;padding-bottom:40px}
  .hero h1{font-size:34px}
  .hero p.lead{margin-top:12px}
  .hero-actions{margin-top:18px}
}

/* OEM partner logo tiles (brand-colour initials badge + name -- see BRAND_META) */
.oem-tile{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px 12px;display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center;cursor:pointer;transition:box-shadow .15s,transform .15s}
.oem-tile:hover{box-shadow:0 10px 26px rgba(15,25,50,.12);transform:translateY(-2px);border-color:#d8dce3}
.oem-badge{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;letter-spacing:.02em}
.oem-logo{width:100%;height:44px;display:flex;align-items:center;justify-content:center}
.oem-logo img{max-width:120px;max-height:44px;width:auto;height:auto;object-fit:contain}
.section-navy .oem-logo{background:#fff;border-radius:8px;padding:6px 10px;height:32px;width:auto;max-width:140px}
.oem-name{font-size:12.5px;font-weight:700;color:var(--navy)}
.oem-visit{font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.03em;color:var(--gold2)}
.section-navy .oem-tile{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.15)}
.section-navy .oem-tile:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.3)}
.section-navy .oem-name{color:#fff}
.section-navy .oem-visit{color:var(--gold)}

/* generic page header (for sub pages) */
.pagehead{background:var(--navy);color:#fff;padding:54px 0 40px}
.pagehead .eyebrow{color:var(--gold)}
.pagehead h1{color:#fff;font-size:34px;margin-top:8px}
.pagehead p{color:#c8cedb;margin-top:10px;max-width:640px}
.breadcrumb{font-size:12.5px;color:#aeb8ca;margin-bottom:10px}
.breadcrumb a{color:var(--gold);font-weight:600}

section{padding:64px 0}
.section-alt{background:var(--bg-alt)}
.section-navy{background:var(--navy);color:#fff}
.section-navy p{color:#c8cedb}
.section-navy h2,.section-navy h3{color:#fff}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:28px;flex-wrap:wrap;gap:10px}
.section-head h2{font-size:26px}
.section-navy .section-head h2{color:#fff}
.viewall{color:var(--gold2);font-weight:700;font-size:13px;text-transform:uppercase;letter-spacing:.03em}
.section-navy .viewall{color:var(--gold)}

/* grids */
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:980px){.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}.grid-2{grid-template-columns:1fr}}
@media(max-width:600px){.grid-4,.grid-3{grid-template-columns:1fr}}

/* cards */
.card{background:#fff;border-radius:14px;overflow:hidden;border:1px solid var(--line);box-shadow:0 4px 18px rgba(15,25,50,.05);display:flex;flex-direction:column}
.card .thumb{aspect-ratio:4/3;background-size:cover;background-position:center;position:relative}
.card .thumb .overlay-label{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(0deg,rgba(6,16,42,.82),transparent);color:#fff;padding:14px}
.card .thumb .overlay-label h4{color:#fff;font-size:16px}
.card .thumb .overlay-label p{color:#dfe4ee;font-size:12.5px;margin:4px 0 0}
.card .body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.card .body h4{font-size:16px}
.card .body p{font-size:13.5px;margin:0;flex:1}
.card-link{font-size:12.5px;font-weight:700;text-transform:uppercase;letter-spacing:.03em;color:var(--gold2);margin-top:6px}
.section-navy .card{background:#fff}

.icon-card{background:var(--navy2);border-radius:14px;padding:22px;color:#fff}
.icon-card .num{width:34px;height:34px;border-radius:50%;background:var(--gold);color:#241a05;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:14px;margin-bottom:14px}
.icon-card h4{color:#fff;font-size:15.5px;margin-bottom:6px}
.icon-card p{color:#c3cade;font-size:13px;margin:0}

.logo-strip{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
@media(max-width:900px){.logo-strip{grid-template-columns:repeat(3,1fr)}}
@media(max-width:520px){.logo-strip{grid-template-columns:repeat(2,1fr)}}
.logo-chip{background:#fff;border:1px solid var(--line);border-radius:8px;padding:11px 18px;font-weight:700;font-size:13.5px;color:var(--navy)}
.section-navy .logo-chip{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.15);color:#fff}

/* about teaser / corphq split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
@media(max-width:860px){.split{grid-template-columns:1fr}}
.split img{border-radius:16px}

/* CTA band */
.cta-band{background:linear-gradient(120deg,var(--navy),#183a63);color:#fff;border-radius:20px;padding:44px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px}
.cta-band h3{color:#fff;font-size:24px}
.cta-band p{color:#c8cedb;margin:6px 0 0}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* detail page layout */
.detail-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:start}
@media(max-width:900px){.detail-grid{grid-template-columns:1fr}}
.detail-media img{border-radius:14px;aspect-ratio:4/3;object-fit:cover;width:100%}
.thumbrow{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:10px}
.thumbrow img{border-radius:10px;aspect-ratio:4/3;object-fit:cover}
.detail-body h3{font-size:19px;margin-bottom:12px;margin-top:26px}
.detail-body h3:first-child{margin-top:0}
.bullets{list-style:none;margin:0 0 8px;padding:0;display:flex;flex-direction:column;gap:10px}
.bullets li{display:flex;gap:10px;color:var(--muted);font-size:14.5px;line-height:1.6}
.bullets li:before{content:'';width:7px;height:7px;border-radius:50%;background:var(--gold2);margin-top:8px;flex-shrink:0}
.spectable{width:100%;border-collapse:collapse;margin:6px 0 26px}
.spectable tr{border-bottom:1px solid var(--line)}
.spectable td{padding:12px 4px;font-size:14px}
.spectable td:first-child{font-weight:700;color:var(--ink);width:40%}
.spectable td:last-child{color:var(--muted);text-align:right}

/* composite comparison section -- "Why Composite Beats Steel. By Data." */
/* a plain, bordered data table: no cards, no pills, no icons -- matches the
   rest of the site's spec-table language for a genuinely professional read */
.compare-section{padding:60px 0 68px;background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.compare-head{max-width:780px}
.compare-intro{color:var(--muted);font-size:14.5px;line-height:1.75;margin-top:8px;max-width:680px}
.compare-table-title{font-size:19px;margin-top:34px;color:var(--navy)}
.compare-table-sub{font-size:13px;color:var(--muted);margin:4px 0 18px}

/* column colour key -- each column carries its own colour top to bottom so the
   grid reads at a glance: gold = SGV Composite, then one distinct tone per
   competing material. Strong ruled lines on every cell for a true grid table. */
.compare-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border:2px solid var(--navy);border-radius:6px}
.comparetable{width:100%;border-collapse:collapse;font-size:13.5px;min-width:640px;background:#fff}
.comparetable th{text-align:left;font-weight:700;padding:14px 20px;font-size:12px;letter-spacing:.02em;color:#fff;border:1px solid rgba(255,255,255,.25)}
.comparetable td{padding:14px 20px;line-height:1.6;vertical-align:top;font-size:13.5px;border:1px solid #c7ccd6}
.comparetable td.compare-cat{font-weight:700;color:var(--ink);background:var(--bg-alt)}
.comparetable th:first-child{background:var(--navy)}

/* col 1 -- SGV Composite: gold, the featured column */
.comparetable th.win-col{background:var(--gold2)}
.comparetable td.win-col{font-weight:700;color:#4a2f08;background:rgba(201,131,46,.16)}

/* col 2 -- first competitor (Steel): slate blue-grey */
.comparetable th:nth-child(3){background:#4A5A72}
.comparetable td:nth-child(3){color:#3c4655;background:rgba(74,90,114,.09)}

/* col 3 -- Concrete: warm stone grey */
.comparetable th:nth-child(4){background:#71685E}
.comparetable td:nth-child(4){color:#5c554d;background:rgba(113,104,94,.1)}

/* col 4 -- Wood: warm brown */
.comparetable th:nth-child(5){background:#8B5E34}
.comparetable td:nth-child(5){color:#6b4626;background:rgba(139,94,52,.1)}

/* sources footnote */
.compare-source{margin-top:12px;font-size:11.5px;color:var(--muted);line-height:1.6}

@media(max-width:640px){
  .compare-table-title{font-size:17px;margin-top:28px}
  .comparetable th, .comparetable td{padding:11px 14px}
}

/* form */
.form-card{background:#fff;border-radius:16px;border:1px solid var(--line);box-shadow:0 10px 34px rgba(15,25,50,.06);padding:34px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:640px){.form-grid{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.field label{font-size:12.5px;font-weight:700;text-transform:uppercase;letter-spacing:.03em;color:var(--navy)}
.field input, .field select, .field textarea{border:1.5px solid var(--line);border-radius:9px;padding:11px 13px;font-size:14px;font-family:inherit;height:44px;background:#fff}
.field textarea{height:120px;resize:vertical}
.field.full{grid-column:1/-1}
.filerow{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.filerow .browsebtn{border:1.5px solid var(--line);border-radius:9px;padding:9px 16px;font-size:13px;font-weight:700;cursor:pointer;background:#fff}
.formmsg{margin-top:14px;font-size:13.5px;font-weight:600;display:none}
.formmsg.show{display:block}
.formmsg.ok{color:#166534}
.formmsg.err{color:#b91c1c}

/* footer */
footer{background:var(--navy);color:#c8cedb;padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.1)}
@media(max-width:800px){.footer-grid{grid-template-columns:1fr 1fr}}
footer h5{color:#fff;font-size:13px;text-transform:uppercase;letter-spacing:.05em;margin-bottom:14px}
footer .fbrand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;margin-bottom:12px}
footer .fbrand img{height:34px;width:34px;border-radius:50%}
footer p{color:#a7b0c2;font-size:13.5px}
footer a{display:block;color:#c8cedb;font-size:13.5px;padding:5px 0}
footer a:hover{color:var(--gold)}
.footer-bottom{text-align:center;padding:20px 0;font-size:12.5px;color:#8a93a8}

.route{display:none}
.route.active{display:block}

@media(max-width:980px){
  .navlinks{display:none}
  .mobile-toggle{display:block}
  .hero h1{font-size:32px}
}