:root{--bg:#0b0f14;--ink:#111827;--muted:#6b7280;--brand:#0ea5e9;--brand-2:#22d3ee;--light:#f8fafc;--card:#ffffff;}
*{box-sizing:border-box}html,body{margin:0;padding:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--ink);background:#fff}
img{max-width:100%;display:block;border-radius:1rem}
a{color:var(--brand);text-decoration:none}
.container{width:100%;margin:0 auto; padding:50px;}
.flex{display:flex}.between{justify-content:space-between}.center{align-items:center}
.grid{display:grid;gap:1.5rem}.grid.two{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.grid.three{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.grid.four{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.site-header {background-color: transparent;position: relative;z-index: 2;}
.logo{font-weight:800;font-size:1.2rem;color:#111}.logo span{color:var(--brand)}
.nav a{margin:0 .75rem;padding:.75rem .4rem;display:inline-block;font-size: 1.2rem;font-weight:bold;}
.btn{display:inline-block;padding:.8rem 1.1rem;border-radius:.9rem;border:1px solid #0ea5e9;font-weight:600}
.btn-primary{background:linear-gradient(90deg,var(--brand),var(--brand-2));color:white;border:none}
.btn-outline{background:#fff;color:var(--brand)}
.btn-light{background:#fff;color:#111;border:none}
.nav-toggle{display:none;background:none;border:0;padding:.5rem}
.nav-toggle span{display:block;width:26px;height:2px;background:#111;margin:5px 0;border-radius:2px}
.hero {min-height: 80vh;display: flex;flex-direction: column;justify-content: center;align-items: center;textalign:center;padding: 4rem 2rem;position: relative;z-index: 1;}
.hero h1{font-size:2.4rem;margin:0 0 .6rem}
.hero .sub{color:#0ea5e9;max-width:55ch;font-size:1.3rem}
.hero .cta{margin-top:1rem;display:flex;gap:.75rem;flex-wrap:wrap}
.hero-wrapper {background: url('../img/columbus-ohio-skyline.jpg') center center / cover no-repeat;
min-height: 500px;color: #fff;position: relative;}
.brand-strip{list-style:none;display:flex;gap:1.5rem;justify-content:center;padding:0;margin:2rem 0;color:#6b7280;flex-wrap:wrap}
.services h2,.projects-preview h2,.testimonials h2{margin:.5rem 0 1rem}
.card{background:#fff;border:1px solid #e5e7eb;border-radius:1.1rem;padding:1rem;transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-3px);box-shadow:0 10px 30px rgba(0,0,0,.06)}
.card img{height:170px;object-fit:cover}
.cta-wide{background:linear-gradient(90deg,var(--brand),var(--brand-2));color:#fff;padding:2.6rem 0;margin:2rem 0;border-radius:0}
.cta-wide .btn{background:#fff}
.page-hero{background:#f8fafc;padding:3rem 0;border-bottom:1px solid #e5e7eb}
.page-hero h1{margin:0 0 .4rem}
.service{padding:1.5rem 0;border-bottom:1px solid #f0f3f6}
.service .service-head{display:flex;justify-content:space-between;align-items:baseline}
.project-detail{padding:2rem 0;border-bottom:1px solid #f0f3f6}
.projects-preview .project img{height:180px;object-fit:cover}
.testimonials .quotes blockquote{background:#fff;border-left:4px solid var(--brand);padding:1rem;border-radius:.5rem}
.testimonials cite{display:block;color:#6b7280;margin-top:.5rem}
.gallery-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;padding:2rem 0}
.site-footer{background:#0b1220;color:#e5e7eb;margin-top:3rem;padding:2rem 0}
.site-footer h4{color:#fff;margin:.2rem 0 1rem}
.site-footer .list{list-style:none;padding:0;margin:0}
.site-footer .list li{margin:.35rem 0}
.site-footer .badges{display:flex;gap:.5rem;margin-top:.6rem;flex-wrap:wrap}
.badge{background:#0f172a;border:1px solid #1f2937;border-radius:999px;padding:.25rem .6rem}
.site-footer .fineprint{margin-top:1.5rem;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;border-top:1px solid #1f2937;padding-top:1rem}
/* contact form */
.form label{display:block;font-weight:600;margin:.6rem 0}
.form input,.form select,.form textarea{width:100%;padding:.8rem;border:1px solid #d1d5db;border-radius:.7rem;font-size:1rem}
.form .actions{display:flex;align-items:center;gap:1rem;margin-top:1rem}
/* responsive nav */
@media (max-width: 920px){
  .nav{position:fixed;inset:70px 0 auto 0;background:#fff;border-bottom:1px solid #e5e7eb;padding:1rem 1.1rem;display:none}
  .nav a{display:block;margin:.25rem 0}
  .nav.open{display:block}
  .nav-toggle{display:block}
}