:root{--navy:#0b2540;--navy2:#123a61;--green:#3f9b2a;--green2:#7ed35a;--ink:#1b2733;--muted:#5a6b7b;--line:#dde4ea;--bg:#f5f7f9;--r:10px;font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
*{box-sizing:border-box}body{margin:0;color:var(--ink);line-height:1.6;background:#fff}
img{max-width:100%;height:auto;display:block}a{color:var(--navy2)}a:hover{color:var(--green)}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:#fff;padding:8px 12px;z-index:99}
:focus-visible{outline:3px solid var(--green2);outline-offset:2px}
header.site{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.topbar{background:var(--navy);color:#cfdbe6;font-size:.85rem}.topbar .wrap{display:flex;gap:24px;justify-content:flex-end;padding:6px 24px}.topbar a{color:#fff;text-decoration:none}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--navy);font-weight:800;letter-spacing:-.01em}.brand img{height:44px;width:auto}.brand small{display:block;font-weight:500;color:var(--muted);font-size:.75rem;letter-spacing:.08em;text-transform:uppercase}
nav.main ul{list-style:none;margin:0;padding:0;display:flex;gap:4px;align-items:center}
nav.main a{display:block;padding:10px 12px;text-decoration:none;color:var(--ink);font-weight:600;font-size:.95rem;border-radius:6px}nav.main a[aria-current=page]{color:var(--green)}nav.main a:hover{background:var(--bg)}
.btn{display:inline-block;padding:12px 20px;border-radius:8px;font-weight:700;text-decoration:none;border:2px solid transparent;transition:.15s}
.btn-primary{background:var(--green);color:#fff!important}.btn-primary:hover{background:#2f7d1f}
.btn-ghost{border-color:currentColor;color:#fff!important}.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-outline{border-color:var(--navy2);color:var(--navy2)!important}.btn-outline:hover{background:var(--navy2);color:#fff!important}
nav.main .btn{padding:9px 16px;margin-left:8px}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:8px 12px;font:inherit;font-weight:700}
.hero{position:relative;color:#fff;background:linear-gradient(100deg,rgba(11,37,64,.96) 0%,rgba(11,37,64,.85) 50%,rgba(11,37,64,.45)),url(img/north-carolina-retaining-walls-drainage-systems.jpg) center/cover}
.hero .wrap{padding:96px 24px 104px}.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.8rem;font-weight:700;color:var(--green2)}
.hero h1{font-size:clamp(2.2rem,5vw,3.6rem);line-height:1.08;margin:.3em 0 .4em;max-width:16ch;letter-spacing:-.02em}.hero h1 em{font-style:normal;color:var(--green2)}
.hero p.lead{font-size:1.2rem;max-width:56ch;color:#dbe6f0}.ctas{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.page-hero{background:var(--navy);color:#fff;padding:56px 0 48px}.page-hero h1{margin:.2em 0 .3em;font-size:clamp(1.9rem,4vw,2.8rem);letter-spacing:-.02em}.page-hero p{color:#cfdbe6;max-width:65ch;margin:0}
section{padding:72px 0}section.alt{background:var(--bg)}
h2{font-size:clamp(1.6rem,3vw,2.2rem);letter-spacing:-.015em;margin:0 0 .4em;color:var(--navy)}h3{color:var(--navy);margin:.2em 0 .4em}
.sub{color:var(--muted);max-width:65ch;margin-top:0}
.grid{display:grid;gap:24px}.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column}
.card .body{padding:20px 22px 24px;flex:1;display:flex;flex-direction:column}.card p{margin:.2em 0 1em;color:var(--muted)}.card .more{margin-top:auto;font-weight:700;text-decoration:none}
.card img{aspect-ratio:16/10;object-fit:cover;width:100%}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:0;border-radius:var(--r);overflow:hidden;border:1px solid var(--line)}
.compare>div{padding:28px}.compare .old{background:#eef1f4}.compare .new{background:var(--navy);color:#fff}.compare .new h3{color:var(--green2)}
.compare ul{margin:0;padding-left:1.2em}.compare li{margin:.4em 0}
.stat{border-left:4px solid var(--green);padding:6px 0 6px 18px}.stat b{display:block;color:var(--navy);font-size:1.05rem}
.cta-band{background:linear-gradient(90deg,var(--navy),var(--navy2));color:#fff;border-radius:14px;padding:40px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}.cta-band h2{color:#fff;margin:0}.cta-band p{margin:.3em 0 0;color:#cfdbe6}
.prod{display:grid;grid-template-columns:260px 1fr;gap:28px;padding:28px 0;border-top:1px solid var(--line)}.prod:first-of-type{border-top:0}
.prod h3{font-size:1.3rem}.tags{display:flex;gap:8px;flex-wrap:wrap;margin:.2em 0 .8em}.tag{background:#e8f4e3;color:#2a6b1b;font-size:.78rem;font-weight:700;padding:3px 10px;border-radius:99px}.tag.n{background:#e6eef6;color:var(--navy2)}
.prod .media img{border-radius:8px;border:1px solid var(--line);background:#fff}
.line-head{display:flex;justify-content:space-between;align-items:end;gap:16px;flex-wrap:wrap;margin-bottom:12px}
.subnav{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px}.subnav a{color:#fff;border:1px solid rgba(255,255,255,.35);padding:6px 14px;border-radius:99px;text-decoration:none;font-size:.9rem}.subnav a:hover{background:rgba(255,255,255,.12);color:#fff}
.app{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;padding:56px 0;border-top:1px solid var(--line)}.app:nth-of-type(even) .media{order:2}.app .media img{border-radius:12px;aspect-ratio:16/10;object-fit:cover;width:100%}
table.ds{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}table.ds th,table.ds td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:top}table.ds th{background:var(--navy);color:#fff;font-size:.85rem;text-transform:uppercase;letter-spacing:.06em}table.ds tr:last-child td{border-bottom:0}
.pdf{font-weight:700;text-decoration:none;white-space:nowrap}.pdf::before{content:"PDF";font-size:.68rem;background:#c62828;color:#fff;padding:2px 5px;border-radius:3px;margin-right:8px;vertical-align:2px}
.note{font-size:.88rem;color:var(--muted);border-left:3px solid var(--line);padding-left:14px}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px}.contact-card dt{font-weight:700;color:var(--muted);font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;margin-top:18px}.contact-card dd{margin:4px 0 0;font-size:1.15rem}
.map{border:0;width:100%;height:100%;min-height:380px;border-radius:var(--r)}
footer.site{background:#08192c;color:#a9bacb;padding:56px 0 28px;font-size:.93rem}footer.site a{color:#fff;text-decoration:none}footer.site h4{color:#fff;margin:0 0 12px;font-size:.85rem;text-transform:uppercase;letter-spacing:.1em}footer.site ul{list-style:none;padding:0;margin:0}footer.site li{margin:6px 0}
.fgrid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:32px}.legal{border-top:1px solid #1d3550;margin-top:40px;padding-top:20px;font-size:.82rem}
@media(max-width:960px){.g3,.g4{grid-template-columns:repeat(2,1fr)}.fgrid{grid-template-columns:1fr 1fr}}
@media(max-width:820px){.prod .media{max-width:200px}.menu-btn{display:block}nav.main ul{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:12px 24px 20px;border-bottom:1px solid var(--line)}nav.main.open ul{display:flex}nav.main .btn{margin:8px 0 0;text-align:center}
.g2,.g3,.g4,.compare,.app,.prod{grid-template-columns:1fr}.app:nth-of-type(even) .media{order:0}.topbar .wrap{justify-content:center;font-size:.8rem}.hero .wrap{padding:64px 24px 72px}section{padding:52px 0}.prod .media{max-width:320px}.cta-band{padding:28px}
table.ds thead{display:none}table.ds tr{display:block;border-bottom:1px solid var(--line);padding:10px 0}table.ds td{display:block;border:0;padding:4px 16px}}
@media(max-width:520px){.fgrid{grid-template-columns:1fr}.brand small{display:none}}