:root{--navy:#0b2743;--blue:#164d78;--light:#f3f6f8;--line:#dce4e9;--text:#243746;--muted:#5e7180;--white:#fff;--max:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--text);line-height:1.65;background:#fff}img{display:block;width:100%;height:100%;object-fit:cover}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}.container{width:min(var(--max),calc(100% - 40px));margin:auto}.section{padding:76px 0}.section.alt{background:var(--light)}.eyebrow{margin:0 0 8px;color:var(--blue);font-size:.78rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase}h1,h2,h3{margin-top:0;color:var(--navy);line-height:1.2}h1{font-size:clamp(2.35rem,6vw,4.5rem)}h2{font-size:clamp(1.9rem,4vw,2.65rem)}h3{font-size:1.2rem}p{margin:0 0 18px}.muted{color:var(--muted)}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border:1px solid var(--navy);background:var(--navy);color:#fff;font-weight:700;cursor:pointer;transition:.2s}.btn:hover,.btn:focus{background:var(--blue);border-color:var(--blue);transform:translateY(-1px)}.btn.outline{background:transparent;color:var(--navy)}.btn.outline:hover{color:#fff;background:var(--navy)}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.98);border-bottom:1px solid var(--line)}.header-inner{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:11px;color:var(--navy);font-weight:800;line-height:1.05}.brand-mark{display:grid;place-items:center;width:39px;height:39px;background:var(--navy);color:#fff;font-size:.9rem}.brand small{display:block;margin-top:4px;color:var(--muted);font-size:.62rem;letter-spacing:.12em}.nav{display:flex;align-items:center;gap:28px}.nav a{font-size:.9rem;font-weight:700}.nav a:hover,.nav a.active{color:var(--blue)}.menu-toggle{display:none;border:0;background:none;color:var(--navy);font-size:1.5rem;cursor:pointer}
.hero{min-height:620px;display:grid;align-items:center;color:#fff;background:linear-gradient(90deg,rgba(5,25,43,.93),rgba(5,25,43,.35)),url("../images/hero-construction.jpg") center/cover}.hero h1{max-width:780px;margin-bottom:16px;color:#fff}.hero p{max-width:610px;font-size:1.2rem}.hero .eyebrow{color:#b8d8ed}.page-hero{padding:108px 0;color:#fff;background:linear-gradient(90deg,rgba(5,25,43,.94),rgba(5,25,43,.42)),url("../images/building-facade.jpg") center/cover}.page-hero h1{margin-bottom:10px;color:#fff}.page-hero p{max-width:690px;font-size:1.1rem}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}.media{min-height:390px;background:var(--line);overflow:hidden}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.card{background:#fff;border:1px solid var(--line)}.card-image{height:220px;background:#d9e3e8}.card-body{padding:25px}.card-body p:last-child{margin-bottom:0}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.feature{padding:24px;border-left:3px solid var(--blue);background:#fff}.feature strong{display:block;color:var(--navy)}.check-list{display:grid;grid-template-columns:1fr 1fr;gap:10px 20px;padding:0;list-style:none}.check-list li:before{content:"✓";margin-right:9px;color:var(--blue);font-weight:700}.product-row{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center;padding:62px 0;border-bottom:1px solid var(--line)}.product-row:nth-child(even) .media{order:2}.product-row .media{min-height:330px}.docs{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:30px}.doc{display:flex;align-items:center;justify-content:space-between;gap:22px;padding:22px;background:#fff;border:1px solid var(--line)}.doc-icon{display:grid;place-items:center;flex:0 0 48px;height:58px;background:#e8f0f5;color:var(--navy);font-size:.75rem;font-weight:800}.doc-info{margin-right:auto}.doc-info strong{display:block;color:var(--navy)}.doc-info small{color:var(--muted)}.btn.disabled{pointer-events:none;background:#84929b;border-color:#84929b}.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px}.info-list{padding:0;list-style:none}.info-list li{padding:14px 0;border-bottom:1px solid var(--line)}.info-list strong{display:block;color:var(--navy);font-size:.8rem;text-transform:uppercase;letter-spacing:.08em}.contact-panel{padding:34px;background:var(--light);border-left:4px solid var(--blue)}.contact-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.site-footer{padding:48px 0 24px;background:#071d31;color:#d8e3ea}.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:40px}.site-footer h3,.site-footer .brand{color:#fff}.site-footer p,.site-footer a{font-size:.9rem}.site-footer a:hover{color:#fff}.copyright{margin-top:34px;padding-top:20px;border-top:1px solid rgba(255,255,255,.15);font-size:.8rem}
@media(max-width:820px){.menu-toggle{display:block}.nav{display:none;position:absolute;top:78px;left:0;right:0;padding:18px 20px;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start;gap:15px}.nav.open{display:flex}.hero{min-height:520px}.section{padding:58px 0}.grid-2,.product-row,.contact-grid{grid-template-columns:1fr;gap:30px}.product-row:nth-child(even) .media{order:0}.cards,.features,.docs,.footer-grid{grid-template-columns:1fr}.media,.product-row .media{min-height:280px}.doc{align-items:flex-start;flex-wrap:wrap}.check-list{grid-template-columns:1fr}}