:root{
  --ink:#142033;
  --navy:#0f2742;
  --navy-deep:#071625;
  --steel:#204a6d;
  --gold:#d5a33a;
  --gold-soft:#f4c85a;
  --copper:#d5a33a;
  --whats:#25d366;
  --grey:#5b6472;
  --line:#e4e9ef;
  --light:#f4f7fa;
  --white:#fff;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;font-family:"Inter","Segoe UI",Arial,sans-serif;color:var(--ink);line-height:1.55;background:#fff;}
a{text-decoration:none;}
img{max-width:100%;display:block;}

header{position:sticky;top:0;background:var(--navy);z-index:50;box-shadow:0 2px 10px rgba(0,0,0,.16);}
.nav-wrap{max-width:1180px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 24px;position:relative;}
.logo{color:#fff;font-weight:900;font-size:20px;letter-spacing:.4px;white-space:nowrap;}
.logo span{color:var(--gold);}
nav ul{list-style:none;display:flex;gap:22px;margin:0;padding:0;}
nav a{color:#dfe6f0;font-size:14px;font-weight:650;}
nav a:hover{color:var(--gold);}
.btn-whats{background:var(--whats);color:#fff !important;padding:9px 16px;border-radius:6px;font-weight:800;font-size:13.5px;white-space:nowrap;}
.btn-whats:hover,.btn-primary:hover,.floating-whats:hover{filter:brightness(1.06);}
.menu-toggle{display:none;background:none;border:1px solid rgba(255,255,255,.35);color:#fff;width:40px;height:36px;border-radius:6px;font-size:18px;cursor:pointer;}

.hero{position:relative;color:#fff;overflow:hidden;background:var(--navy-deep);max-width:none;padding:0;min-height:650px;display:flex;align-items:center;}
.hero:before{content:"";position:absolute;inset:0;background:url("../img/hero-estrutura-metalica.webp") center center/cover no-repeat;transform:scale(1.01);}
.hero:after{content:"";position:absolute;inset:0;background:
  radial-gradient(circle at center,rgba(15,39,66,.46) 0%,rgba(7,22,37,.74) 58%,rgba(7,22,37,.9) 100%),
  linear-gradient(180deg,rgba(7,22,37,.25),rgba(7,22,37,.42));}
.hero-inner{position:relative;z-index:1;max-width:1180px;width:100%;margin:0 auto;padding:118px 24px 104px;text-align:center;display:flex;flex-direction:column;align-items:center;}
.tag{display:inline-flex;align-items:center;justify-content:center;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.46);padding:8px 18px;border-radius:999px;font-size:12px;font-weight:800;letter-spacing:.6px;margin:0 auto 22px;text-align:center;max-width:100%;}
.hero h1{font-family:"Roboto Slab","Inter","Segoe UI",serif;font-size:50px;line-height:1.1;margin:0 0 18px;font-weight:800;max-width:850px;text-shadow:0 3px 18px rgba(0,0,0,.38);}
.hero p.lead{font-size:20px;max-width:780px;margin:0 auto 18px;color:#e8edf4;text-shadow:0 2px 14px rgba(0,0,0,.32);}
.microproofs{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin:20px 0 12px;}
.microproofs span{border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.09);border-radius:999px;padding:7px 12px;font-size:13px;font-weight:700;color:#fff;}
.hero p.promise{font-size:16px;color:#f5c95c;font-weight:800;margin:16px 0 30px;}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;}
.btn-primary{background:var(--whats);border:0;color:#fff;padding:14px 26px;border-radius:7px;font-weight:850;font-size:16px;box-shadow:0 6px 18px rgba(0,0,0,.22);cursor:pointer;}
.btn-outline{border:2px solid rgba(255,255,255,.9);color:#fff;padding:13px 26px;border-radius:7px;font-weight:800;font-size:16px;}
.section-cta{display:flex;justify-content:center;margin-top:30px;}
.section-cta .btn-primary{box-shadow:0 6px 16px rgba(18,35,64,.14);}

.trust{background:var(--steel);color:#fff;}
.trust-wrap{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:0;padding:30px 24px;}
.trust-item{text-align:center;border-left:1px solid rgba(255,255,255,.18);padding:6px 10px;}
.trust-item:first-child{border-left:none;}
.trust-item .num{font-size:30px;font-weight:900;color:var(--gold-soft);}
.trust-item .lbl{font-size:13px;color:#e4ecf5;margin-top:4px;}

section{padding:64px 24px;max-width:1180px;margin:0 auto;}
.section-head{text-align:center;max-width:720px;margin:0 auto 40px;}
.eyebrow,.section-head .eyebrow{color:var(--copper);font-weight:850;font-size:13px;letter-spacing:1.2px;text-transform:uppercase;}
.section-head h2,.proof h2,.quote-section h2{font-family:"Roboto Slab","Inter","Segoe UI",serif;font-size:30px;line-height:1.2;color:var(--navy);margin:8px 0 10px;}
.section-head p,.proof p,.quote-section p{color:var(--grey);font-size:15px;margin:0;}

.segments,.compare,.faq{background:var(--light);}
.carousel-wrap{display:flex;align-items:center;gap:12px;}
.seg-carousel{display:flex;gap:22px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;padding:6px 2px 20px;flex:1;}
.seg-carousel::-webkit-scrollbar{height:6px;}
.seg-carousel::-webkit-scrollbar-thumb{background:#cfd5de;border-radius:3px;}
.seg-card{background:#fff;border-radius:8px;overflow:hidden;box-shadow:0 8px 22px rgba(20,30,50,.09);border-top:4px solid var(--gold);flex:0 0 318px;scroll-snap-align:start;display:flex;flex-direction:column;}
.seg-photo{width:100%;height:168px;object-fit:cover;background:#dce8ef;}
.seg-card:nth-child(2) .seg-photo{object-position:center bottom;}
.seg-card:nth-child(3) .seg-photo{object-position:center center;}
.seg-card:nth-child(4) .seg-photo{object-position:center center;}
.seg-card:nth-child(5) .seg-photo{object-position:center center;}
.seg-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1;}
.seg-card h3{font-size:20px;line-height:1.25;color:var(--navy);margin:0 0 10px;}
.seg-card p{font-size:15px;color:var(--grey);margin:0 0 18px;min-height:92px;}
.seg-card a{color:#129d4f;font-weight:800;font-size:14px;}
.car-btn{flex:0 0 auto;width:42px;height:42px;border-radius:50%;border:none;background:var(--navy);color:#fff;font-size:20px;cursor:pointer;box-shadow:0 4px 10px rgba(0,0,0,.15);}
.car-btn:hover{background:var(--copper);}

.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.step-card{border:1px solid var(--line);border-radius:8px;padding:22px;background:#fff;}
.step-card span{display:inline-grid;place-items:center;width:32px;height:32px;border-radius:50%;background:var(--gold);color:var(--navy);font-weight:900;margin-bottom:14px;}
.step-card h3{font-size:16px;line-height:1.3;color:var(--navy);margin:0 0 8px;}
.step-card p{font-size:14px;color:var(--grey);margin:0;}

.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;}
.compare-col{background:#fff;border-radius:8px;overflow:hidden;box-shadow:0 4px 14px rgba(20,30,50,.06);}
.compare-photo{width:100%;height:240px;object-fit:cover;background:#dce8ef;}
.compare-photo-premoldada{object-position:center 64%;filter:contrast(1.06) saturate(1.04);}
.compare-col .body{padding:20px;}
.compare-col h3{color:var(--navy);font-size:17px;margin:0 0 8px;}
.compare-col p{font-size:14px;color:var(--grey);margin:0;}

.proof{background:#fff;}
.proof-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:38px 0;}
.proof-list{margin:0;padding:0;list-style:none;display:grid;gap:12px;}
.proof-list li{position:relative;background:var(--light);border-left:4px solid var(--gold);border-radius:7px;padding:14px 16px 14px 38px;font-size:14px;color:var(--ink);font-weight:650;}
.proof-list li:before{content:"✓";position:absolute;left:15px;color:#129d4f;font-weight:900;}

details{background:#fff;border-radius:8px;padding:16px 20px;margin-bottom:12px;box-shadow:0 2px 8px rgba(20,30,50,.05);}
summary{cursor:pointer;font-weight:800;color:var(--navy);font-size:15.5px;list-style:none;}
summary::-webkit-details-marker{display:none;}
summary:before{content:"+ ";color:var(--copper);font-weight:900;}
details[open] summary:before{content:"- ";}
details p{margin:12px 0 2px;color:var(--grey);font-size:14.5px;}

.quote-section{background:#fff;}
.quote-wrap{display:grid;grid-template-columns:.8fr 1fr;gap:42px;align-items:start;}
.quote-form{background:var(--light);border:1px solid var(--line);border-radius:8px;padding:24px;display:grid;gap:14px;}
.quote-form label{display:grid;gap:7px;font-size:13px;color:var(--navy);font-weight:800;}
.quote-form input,.quote-form select,.quote-form textarea{width:100%;border:1px solid #ccd5df;border-radius:6px;padding:12px 12px;font:inherit;color:var(--ink);background:#fff;}
.quote-form textarea{resize:vertical;}
.quote-form .btn-primary{width:100%;margin-top:4px;}

.contact{max-width:none;background:var(--navy);color:#fff;}
.contact-wrap{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;}
.contact h2{font-size:28px;margin:0 0 14px;}
.contact p{color:#cfd7e4;font-size:15px;}
.contact-cta{margin-top:22px;}
.contact-box{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.15);border-radius:8px;padding:26px;}
.contact-box .row{display:flex;justify-content:space-between;gap:18px;padding:11px 0;border-bottom:1px solid rgba(255,255,255,.1);font-size:14.5px;}
.contact-box .row:last-child{border-bottom:none;}
.contact-box .row b{color:#f5c95c;}

.floating-whats{position:fixed;right:18px;bottom:18px;z-index:60;background:var(--whats);color:#fff;border-radius:999px;padding:12px 18px;font-weight:850;box-shadow:0 8px 22px rgba(0,0,0,.25);}
footer{background:#0c1729;color:#9ba5b4;text-align:center;padding:26px 20px;font-size:13px;}
footer b{color:#fff;}

@media(max-width:980px){
  .nav-wrap{gap:12px;}
  nav{position:absolute;top:100%;left:0;right:0;background:var(--navy);padding:6px 24px 16px;display:none;box-shadow:0 8px 16px rgba(0,0,0,.2);}
  nav.open{display:block;}
  nav ul{flex-direction:column;gap:2px;}
  nav ul li{border-top:1px solid rgba(255,255,255,.08);}
  nav a{display:block;padding:12px 0;}
  .menu-toggle{display:block;}
  .hero{min-height:590px;}
  .hero:before{background-position:center center;}
  .hero:after{background:
    radial-gradient(circle at center,rgba(15,39,66,.5) 0%,rgba(7,22,37,.78) 64%,rgba(7,22,37,.92) 100%),
    linear-gradient(180deg,rgba(7,22,37,.24),rgba(7,22,37,.48));}
  .hero h1{font-size:36px;}
  .trust-wrap{grid-template-columns:repeat(2,1fr);gap:18px;}
  .trust-item{border-left:none;}
  .steps-grid{grid-template-columns:1fr 1fr;}
  .compare-grid,.proof-wrap,.quote-wrap,.contact-wrap{grid-template-columns:1fr;}
  .contact{padding:56px 24px;}
  section{padding:52px 20px;}
}

@media(max-width:620px){
  .nav-wrap{padding:12px 14px;}
  .logo{font-size:16px;}
  header .btn-whats{padding:8px 11px;font-size:0;max-width:none;line-height:1;text-align:center;}
  header .btn-whats:after{content:"Orçamento";font-size:12px;}
  .hero{min-height:610px;}
  .hero-inner{padding:62px 18px 54px;}
  .hero h1{font-size:28px;}
  .hero p.lead{font-size:16px;}
  .tag{font-size:10.5px;line-height:1.35;padding:7px 12px;white-space:normal;}
  .microproofs span{font-size:12px;}
  .hero-ctas{flex-direction:column;align-items:stretch;}
  .btn-primary,.btn-outline{text-align:center;}
  .section-head h2,.proof h2,.quote-section h2{font-size:23px;}
  .section-head{margin-bottom:32px;}
  .trust-wrap{grid-template-columns:1fr 1fr;padding:24px 16px;}
  .trust-item .num{font-size:24px;}
  .steps-grid{grid-template-columns:1fr;}
  .car-btn{width:34px;height:34px;font-size:17px;}
  .seg-card{flex-basis:286px;}
  .seg-photo{height:148px;}
  .seg-card h3{font-size:18px;}
  .seg-card p{font-size:14px;min-height:96px;}
  .compare-photo{height:190px;}
  .contact-box .row{flex-direction:column;gap:4px;}
  .floating-whats{right:10px;bottom:10px;padding:11px 14px;font-size:13px;}
  .floating-whats{width:54px;height:54px;padding:0;display:grid;place-items:center;font-size:0;}
  .floating-whats:after{content:"WA";font-size:14px;letter-spacing:.2px;}
}