:root{--ink:#15232c;--steel:#304957;--accent:#e97b25;--paper:#f5f7f7;--line:#dbe2e4}*{box-sizing:border-box}body{color:var(--ink);font:16px/1.6 Arial,sans-serif;background:var(--paper)}.site-header{background:#10232d;color:#fff}.nav-wrap,.shell{width:min(1120px,92%);margin:auto}.nav-wrap{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:25px}.brand{color:#fff;font-weight:800;letter-spacing:.04em;font-size:1.05rem}.brand small{display:block;color:#b9c8cf;font-weight:400;letter-spacing:0}.site-nav{display:flex;gap:24px}.site-nav a{color:#fff;font-weight:bold}.site-nav a:hover,.site-nav a[aria-current=page]{color:#f6a45c}.menu-toggle{display:none}.hero{background:linear-gradient(115deg,rgba(10,27,35,.9),rgba(18,49,62,.55)),url('../images/front/Imagem3.jpg') center/cover;min-height:560px;display:grid;align-items:center;color:#fff}.hero-copy{max-width:720px;padding:64px 0}.eyebrow{color:#f6a45c;font-weight:bold;letter-spacing:.13em;text-transform:uppercase;font-size:.78rem}.hero h1{font-size:clamp(2.5rem,6vw,5.6rem);line-height:1.02;margin:12px 0}.hero p{font-size:1.18rem;max-width:620px}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.button{display:inline-block;padding:13px 19px;border-radius:4px;background:var(--accent);color:#fff;font-weight:bold;border:0;cursor:pointer}.button.ghost{background:transparent;border:1px solid #fff}.section{padding:78px 0}.section-head{max-width:700px;margin-bottom:34px}.section h2{font-size:clamp(2rem,4vw,3.4rem);line-height:1.1;margin:6px 0 12px}.service-grid,.project-grid,.stats{display:grid;gap:20px}.service-grid{grid-template-columns:repeat(3,1fr)}.project-grid{grid-template-columns:repeat(3,1fr)}.stats{grid-template-columns:repeat(3,1fr);background:#172e39;color:#fff;padding:28px}.stat strong{display:block;color:#f6a45c;font-size:2rem}.card{background:#fff;border:1px solid var(--line);border-radius:6px;overflow:hidden}.card-body{padding:20px}.card h3{font-size:1.25rem;margin:0 0 7px}.media{display:block;width:100%;aspect-ratio:4/3;object-fit:cover;background:#d8e0e2}.filter-bar{display:flex;gap:10px;flex-wrap:wrap;margin:0 0 28px}.filter{padding:8px 13px;border:1px solid var(--steel);background:#fff;border-radius:3px;cursor:pointer}.filter.active{background:var(--steel);color:#fff}.callout{background:var(--accent);color:#fff;padding:44px;border-radius:6px;display:flex;justify-content:space-between;gap:25px;align-items:center}.site-footer{background:#10232d;color:#d3dde1;padding:45px 0}.site-footer a{color:#fff}.form-card{background:#fff;padding:28px;border:1px solid var(--line);border-radius:6px}.form-card input,.form-card textarea{width:100%;padding:12px;border:1px solid #b8c5c9;margin:5px 0 15px}.map-card iframe{width:100%;min-height:360px;border:0}@media(max-width:760px){.menu-toggle{display:block;background:transparent;color:#fff;border:1px solid #8499a2;padding:8px}.site-nav{display:none;position:absolute;top:76px;left:0;right:0;background:#10232d;flex-direction:column;padding:20px}.site-nav.open{display:flex}.service-grid,.project-grid,.stats{grid-template-columns:1fr}.hero{min-height:500px}.section{padding:55px 0}.callout{display:block}.callout .actions{margin-top:18px}}