:root{color-scheme:light only;--red:#d71920;--black:#151515;--ink:#202020;--muted:#666;--line:#e7e7e7;--soft:#f6f6f6;--gold:#c9902d;--max:1240px;--bg:#fff;--card-from:#fff;--card-to:#f8f8f8;--header-bg:rgba(255,255,255,.96);--panel:#fafafa}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:var(--bg);line-height:1.45}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}.container{width:min(var(--max),calc(100% - 48px));margin:auto}.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:12px;top:12px;background:var(--bg);color:var(--ink);padding:10px;z-index:99}.topbar{background:#1c1c1c;color:#fff;font-size:12px}.topbar-inner{display:flex;justify-content:space-between;gap:18px;padding:8px 0}.site-header{position:sticky;top:0;z-index:20;background:var(--header-bg);border-bottom:1px solid var(--line)}.nav-wrap{min-height:78px;display:flex;align-items:center;gap:28px}.brand{margin-right:auto}.brand img{width:230px;height:auto}.nav-wrap nav{display:flex;gap:28px;font-weight:700;font-size:14px}.nav-wrap nav a:hover{color:var(--red)}.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--red);color:#fff;padding:14px 20px;border-radius:5px;font-weight:800;font-size:14px;box-shadow:0 6px 18px rgba(215,25,32,.15)}.btn-small{padding:12px 16px;white-space:nowrap}.hero{background:var(--bg)}.hero-grid{display:grid;grid-template-columns:42% 58%;min-height:500px}.hero-copy{padding:58px 34px 40px 0;align-self:center}.hero h1{font-size:16px;line-height:1.4;margin:0 0 14px;letter-spacing:0;font-weight:600;color:var(--muted)}.hero h2{font-size:48px;line-height:1.02;margin:0 0 18px;letter-spacing:-1.5px}.hero h2 strong{color:var(--red)}.hero-copy>p{font-size:20px;max-width:530px}.trust{display:flex;gap:24px;margin-top:42px;font-size:13px;font-weight:700}.hero-image{position:relative;overflow:hidden}.hero-image img{width:100%;height:100%;object-fit:cover}.section{padding:38px 0}.section-title{display:flex;align-items:center;gap:16px}.section-title h2{font-size:30px;margin:0}.section-title span{width:54px;height:3px;background:var(--red)}.lead{margin:2px 0 22px;color:var(--muted)}.category-grid{display:grid;grid-template-columns:repeat(9,1fr);gap:10px}.card{background:linear-gradient(var(--card-from),var(--card-to));border:1px solid var(--line);border-radius:7px;padding:12px;min-width:0}.card img{width:100%;height:125px;object-fit:contain;background:#fff;border-radius:4px}.card h3{font-size:15px;margin:8px 0 5px}.card p{font-size:12px;color:var(--muted);margin:0}.steel{padding-top:0}.steel-grid{display:grid;grid-template-columns:1fr;gap:18px}.steel-grid article{background:var(--soft);border-radius:7px;padding:14px 24px;display:flex;align-items:center;gap:28px}.steel-grid img{width:120px;height:120px;object-fit:contain}.steel-grid h3{margin:0 0 4px}.steel-grid p{margin:0;color:var(--muted)}.env-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}.env-grid article{min-width:0}.env-grid img{height:140px;width:100%;object-fit:cover;border-radius:5px}.env-grid h3{font-size:14px;margin:7px 0}.env-grid p{font-size:12px;color:var(--muted);margin:0}.cta-band{background:#202020;color:#fff}.cta-grid{min-height:230px;display:grid;grid-template-columns:1.15fr 1fr .6fr;align-items:center;gap:30px;padding:28px 0}.cta-grid h2{font-size:30px;line-height:1.05;margin:0 0 10px}.cta-grid p{color:#ddd}.samples img{width:100%;height:210px;object-fit:cover;border-radius:8px}.cta-grid blockquote{font-size:20px;font-style:italic}.service-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.service-grid article{display:grid;grid-template-columns:70px 1fr 120px;align-items:center;background:var(--soft);padding:18px;border-radius:7px;gap:16px}.service-icon{font-size:42px;color:var(--red)}.service-grid h3{margin:0 0 5px}.service-grid p{margin:0;color:var(--muted);font-size:14px}.service-grid img{height:110px;width:120px;object-fit:contain}.about{padding-top:10px}.about-grid{display:grid;grid-template-columns:220px 1fr 330px;gap:30px;align-items:center}.portrait{width:220px;height:220px;object-fit:cover;object-position:top;border-radius:4px}.eyebrow{color:var(--red);font-weight:800;font-size:12px;margin:0}.about h2{margin:5px 0 8px}.about blockquote{margin:15px 0;color:var(--red);font-weight:800;font-size:18px}.about small{display:block}.about ul{list-style:none;background:var(--panel);padding:22px;margin:0;border-radius:7px}.about li{padding:9px 0;border-bottom:1px solid var(--line)}.about li:last-child{border:0}footer{background:#171717;color:#eee;padding:35px 0 12px}.footer-grid{display:grid;grid-template-columns:1.2fr .8fr 1fr 1fr;gap:35px}.footer-grid img{background:#fff;padding:5px}.footer-grid h2{font-size:16px}.footer-grid a{display:block;margin:5px 0}.footer-wa{color:#75e08a}.copyright{border-top:1px solid #333;margin-top:28px;padding-top:12px;font-size:12px;color:#aaa}.floating-wa{position:fixed;right:22px;bottom:22px;width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:#18b95b;color:#fff;font-weight:900;box-shadow:0 8px 24px #0004;z-index:30}
@media(max-width:1050px){.nav-wrap nav{display:none}.category-grid{grid-template-columns:repeat(3,1fr)}.hero h2{font-size:40px}.env-grid{grid-template-columns:repeat(3,1fr)}.about-grid{grid-template-columns:180px 1fr}.about-grid ul{grid-column:1/-1}.portrait{width:180px;height:180px}}
@media(max-width:720px){.container{width:min(100% - 28px,var(--max))}.topbar-inner{overflow:auto;white-space:nowrap;justify-content:flex-start}.topbar-inner span{padding-right:20px}.nav-wrap{min-height:66px}.brand img{width:165px}.btn-small{font-size:0;padding:11px}.btn-small:after{content:'WhatsApp';font-size:13px}.hero{background:var(--bg)}.hero-grid{grid-template-columns:1fr}.hero-copy{padding:34px 0 24px}.hero h2{font-size:38px}.hero-copy>p{font-size:18px}.trust{display:grid;gap:8px;margin-top:25px}.hero-image{height:310px}.section{padding:28px 0}.section-title h2{font-size:26px}#produtos-de-aco .section-title h2{font-size:22px}.category-grid{grid-template-columns:repeat(2,1fr)}.card img{height:120px}.steel-grid{grid-template-columns:1fr}.steel-grid article{padding:12px}.env-grid{grid-template-columns:repeat(2,1fr)}.env-grid p{display:none}.cta-grid{grid-template-columns:1fr;padding:26px 0}.samples{display:none}.cta-grid blockquote{margin:0}.service-grid{grid-template-columns:1fr}.service-grid article{grid-template-columns:54px 1fr}.service-grid img{display:none}.about-grid{grid-template-columns:1fr}.portrait{width:150px;height:150px}.footer-grid{grid-template-columns:1fr 1fr}.floating-wa{width:52px;height:52px}}
@media(max-width:440px){.category-grid{grid-template-columns:1fr 1fr}.env-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr}.hero h2{font-size:34px}.btn{width:100%}.steel-grid article{gap:14px}.steel-grid img{width:95px;height:95px}}