:root{
  --verde:#00a859;
  --verde-escuro:#006b38;
  --vermelho:#ed131a;
  --preto:#111;
  --cinza:#f4f4f4;
  --texto:#202020;
  --sombra:0 12px 30px rgba(0,0,0,.12);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:Arial, Helvetica, sans-serif;color:var(--texto);background:#fff;line-height:1.5}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{width:min(1180px,92%);margin:0 auto}
.topo{background:#fff;position:sticky;top:0;z-index:10;box-shadow:0 4px 18px rgba(0,0,0,.08)}
.topo::before{content:"";display:block;height:8px;background:repeating-linear-gradient(45deg,var(--verde) 0 14px,var(--vermelho) 14px 28px)}
.menu{display:flex;align-items:center;gap:28px;min-height:112px}
.marca{width:215px;flex-shrink:0}.marca img{width:215px;height:auto;object-fit:contain}
.navegacao{display:flex;gap:28px;align-items:center;margin-left:auto;font-weight:800;text-transform:uppercase;font-size:.88rem;letter-spacing:.3px}
.navegacao a{position:relative;padding:10px 0}.navegacao a:hover,.navegacao .ativo{color:var(--verde-escuro)}
.navegacao .ativo::after,.navegacao a:hover::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--vermelho);border-radius:999px}
.botao-whatsapp,.botao-principal{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:linear-gradient(135deg,var(--verde),var(--verde-escuro));color:white;border-radius:7px;padding:13px 22px;font-weight:900;text-transform:uppercase;box-shadow:var(--sombra);transition:.25s}
.botao-whatsapp:hover,.botao-principal:hover{transform:translateY(-2px);filter:brightness(1.05)}
.botao-whatsapp{white-space:nowrap;padding:12px 18px;font-size:.9rem}
.hero{position:relative;min-height:440px;background:url('img/hero-materiais-construcao.jpg') center/cover no-repeat;overflow:hidden}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.78) 0%,rgba(0,0,0,.58) 27%,rgba(255,255,255,.74) 58%,rgba(255,255,255,.25) 100%)}
.hero-conteudo{position:relative;z-index:1;min-height:440px;display:grid;grid-template-columns:1fr 1.15fr;gap:30px;align-items:center}
.hero-texto{color:white;max-width:500px}.etiqueta{display:inline-block;background:var(--vermelho);font-weight:900;padding:6px 12px;border-radius:4px;text-transform:uppercase;margin-bottom:12px}
.hero h1{text-transform:uppercase;font-size:clamp(2.2rem,5vw,4.5rem);line-height:.95;text-shadow:0 4px 14px rgba(0,0,0,.55);margin-bottom:18px}.hero h1 strong{display:block;font-size:1.35em;color:#fff}
.hero-texto p:not(.etiqueta){font-size:1.08rem;margin-bottom:22px;font-weight:700;text-shadow:0 2px 8px rgba(0,0,0,.8)}
.hero-logo{background:rgba(255,255,255,.72);backdrop-filter:blur(2px);border-radius:16px;padding:28px;box-shadow:0 20px 55px rgba(0,0,0,.14)}
.hero-logo img{width:620px;margin:0 auto;mix-blend-mode:multiply}
.faixa-info{background:#fff;padding:28px 0 20px}.info-grid{display:grid;grid-template-columns:.9fr 1.6fr;gap:35px;align-items:stretch}.sobre-resumo{display:grid;grid-template-columns:70px 1fr;gap:22px;padding-right:28px;border-right:2px solid #cfcfcf}.icone-linha{font-size:3.8rem;color:var(--verde);line-height:1}.sobre-resumo h2,.valores h2,.titulo-secao h2{color:var(--verde-escuro);text-transform:uppercase;font-size:1.45rem;margin-bottom:10px}.sobre-resumo p{margin-bottom:12px}.valores{text-align:center}.valores-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}.valores-grid article{padding:10px 22px;border-left:1px solid #d8d8d8}.valores-grid article:first-child{border-left:0}.valor-icone{display:inline-flex;align-items:center;justify-content:center;width:56px;height:56px;font-size:2rem;font-weight:900;margin-bottom:10px}.valor-icone.verde{color:var(--verde)}.valor-icone.vermelho{color:var(--vermelho)}.valores h3{text-transform:uppercase;font-size:.98rem;margin-bottom:6px;color:#101010}.valores p{font-size:.92rem}
.produtos{background:linear-gradient(180deg,#f7f7f7,#fff);padding:28px 0 34px}.titulo-secao{text-align:center;margin-bottom:24px}.titulo-secao h2{font-size:1.75rem;display:inline-block;position:relative}.titulo-secao h2::after{content:"";display:block;width:70px;height:4px;background:var(--vermelho);margin:7px auto 0;border-radius:99px}.titulo-secao p{color:#555}.produtos-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:18px}.produto-card{background:white;border-radius:8px;overflow:hidden;box-shadow:0 7px 18px rgba(0,0,0,.14);transition:.25s;border:1px solid #e8e8e8}.produto-card:hover{transform:translateY(-5px)}.produto-card img{width:100%;height:118px;object-fit:cover}.produto-card div{padding:12px;text-align:center}.produto-card h3{text-transform:uppercase;font-size:.98rem;line-height:1.1;color:#111}.produto-card p{font-size:.86rem;color:#333;margin-top:5px}
.chamada{padding:40px 0;background:#fff}.chamada-caixa{background:linear-gradient(135deg,var(--verde-escuro),#003c21);color:white;border-radius:16px;padding:32px;display:flex;justify-content:space-between;align-items:center;gap:25px;box-shadow:var(--sombra)}.chamada h2{text-transform:uppercase;font-size:1.8rem}.chamada p{max-width:700px;color:#e8fff4}.chamada .botao-principal{background:var(--vermelho)}
.rodape{background:linear-gradient(135deg,#004b28,#002b17);color:#fff}.rodape-grid{display:grid;grid-template-columns:1.15fr .9fr 1.15fr 1fr;gap:26px;padding:28px 0}.rodape h3{text-transform:uppercase;font-size:.95rem;margin-bottom:8px}.rodape p{color:#e6fff1;font-size:.92rem}.direitos{text-align:center;background:#101010;padding:12px;font-size:.88rem}
@media (max-width:1050px){.menu{flex-wrap:wrap;padding:14px 0}.navegacao{order:3;width:100%;justify-content:center;flex-wrap:wrap;margin-left:0}.produtos-grid{grid-template-columns:repeat(3,1fr)}.info-grid{grid-template-columns:1fr}.sobre-resumo{border-right:0;border-bottom:2px solid #ddd;padding-right:0;padding-bottom:20px}.hero-conteudo{grid-template-columns:1fr}.hero-logo{display:none}}
@media (max-width:720px){.menu{justify-content:center}.marca,.marca img{width:190px}.botao-whatsapp{width:100%}.navegacao{gap:15px;font-size:.78rem}.hero,.hero-conteudo{min-height:520px}.hero-overlay{background:linear-gradient(90deg,rgba(0,0,0,.83),rgba(0,0,0,.45))}.hero-texto{text-align:center;margin:0 auto}.hero h1{font-size:2.55rem}.info-grid,.sobre-resumo{display:block}.icone-linha{text-align:center}.valores-grid{grid-template-columns:1fr 1fr}.valores-grid article{border:0;border-top:1px solid #ddd}.produtos-grid{grid-template-columns:1fr 1fr}.chamada-caixa{display:block;text-align:center}.chamada .botao-principal{margin-top:18px}.rodape-grid{grid-template-columns:1fr;text-align:center}}
@media (max-width:430px){.produtos-grid,.valores-grid{grid-template-columns:1fr}.hero h1{font-size:2.2rem}}