:root{
  --navy:#13283a;--navy-2:#1b3a52;--steel:#254860;--ink:#16222d;--muted:#5a6a78;
  --line:#dfe5ec;--bg:#f4f6f9;--white:#fff;--amber:#e2474a;--amber-2:#ec5f62;
  --red:#d1373a;--blue:#254860;--radius:14px;--max:1180px;
  --shadow:0 10px 30px rgba(19,40,58,.10);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{font-family:"Barlow",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--white);line-height:1.6;font-size:17px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
h1,h2,h3{font-family:"Barlow Condensed","Barlow",sans-serif;line-height:1.08;letter-spacing:.2px}
h2{font-size:clamp(30px,4vw,44px);color:var(--navy)}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-weight:600;font-size:13px;letter-spacing:2.2px;text-transform:uppercase;color:var(--red);margin-bottom:12px}
.eyebrow::before{content:"";width:28px;height:3px;background:var(--red);border-radius:2px}
.lead{font-size:19px;color:var(--muted);max-width:720px}
.section{padding:96px 0}
.section-head{margin-bottom:44px}
.btn{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:16px;padding:14px 24px;border-radius:999px;border:2px solid transparent;transition:transform .15s ease,background .2s ease,color .2s ease,border-color .2s ease;cursor:pointer}
.btn:hover{transform:translateY(-1px)}
.btn-amber{background:var(--amber);color:#fff}
.btn-amber:hover{background:var(--amber-2)}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:var(--steel)}
.btn svg{width:18px;height:18px}

/* topbar + header */
.topbar{background:var(--navy);color:#c9d4e3;font-size:14px}
.topbar .wrap{display:flex;justify-content:space-between;gap:16px;padding-top:8px;padding-bottom:8px;flex-wrap:wrap}
.topbar a:hover{color:#fff}
.topbar span{display:inline-flex;gap:18px;flex-wrap:wrap}
header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:saturate(1.2) blur(8px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:76px;gap:20px}
.logo{display:flex;align-items:center}
.logo img{height:56px;width:auto}
nav.main{display:flex;align-items:center;gap:28px;font-weight:600;font-size:16px}
nav.main a{color:var(--navy);position:relative;padding:6px 0}
nav.main a:not(.btn)::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--red);transition:right .2s ease}
nav.main a:not(.btn):hover::after{right:0}
nav.main .btn{padding:10px 18px;font-size:15px}
nav.main a.btn,nav.main a.btn:hover{color:#fff}
.menu-toggle{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer;color:var(--navy)}
.menu-toggle svg{width:28px;height:28px}

/* hero */
.hero{position:relative;color:#fff;background:var(--navy);overflow:hidden}
.hero-bg{position:absolute;inset:0;background:var(--navy) url("img/laser-tracker-usinagem.jpg") 20% center/cover no-repeat}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(19,40,58,.96) 0%,rgba(19,40,58,.86) 42%,rgba(19,40,58,.35) 100%)}
.hero-bg.projetos{background-image:url("img/projeto-3d-celula-2.jpg");background-position:right center;background-size:auto 115%;background-color:#e9edf2}
.hero-bg.projetos::after{background:linear-gradient(100deg,rgba(19,40,58,.97) 0%,rgba(19,40,58,.9) 45%,rgba(19,40,58,.45) 100%)}
.slides{display:grid}
.slide{grid-area:1/1;opacity:0;visibility:hidden;transition:opacity .7s ease,visibility .7s}
.slide.is-active{opacity:1;visibility:visible}
.hero-tabs{position:relative;z-index:3;display:flex;gap:10px;flex-wrap:wrap;padding-bottom:34px}
.hero-tabs button{font:inherit;font-weight:700;font-size:14.5px;color:#d6e0ee;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.25);border-radius:999px;padding:9px 18px;cursor:pointer;display:inline-flex;align-items:center;gap:8px}
.hero-tabs button::before{content:"";width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.4)}
.hero-tabs button[aria-selected="true"]{background:#fff;color:var(--navy);border-color:#fff}
.hero-tabs button[aria-selected="true"]::before{background:var(--red)}
.hero .wrap{position:relative;z-index:2;padding-top:110px;padding-bottom:70px}
.hero .hero-tabs.wrap{padding-top:0;padding-bottom:40px}
.hero .eyebrow{color:var(--amber)}
.hero .eyebrow::before{background:var(--amber)}
.hero h1{font-size:clamp(40px,6vw,68px);max-width:760px;margin-bottom:22px}
.hero h1 em{font-style:normal;color:var(--amber)}
.hero p{font-size:20px;color:#d6e0ee;max-width:620px;margin-bottom:34px}
.hero .actions{display:flex;gap:14px;flex-wrap:wrap}
.norms{display:flex;gap:10px;flex-wrap:wrap;margin-top:42px}
.norms span{border:1px solid rgba(255,255,255,.28);border-radius:999px;padding:6px 14px;font-weight:600;font-size:14px;letter-spacing:.5px;color:#e6edf6}

/* stats */
.stats{background:var(--white);border-bottom:1px solid var(--line)}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat{padding:28px 22px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat b{display:block;font-family:"Barlow Condensed",sans-serif;font-size:30px;color:var(--navy);line-height:1.1}
.stat small{color:var(--muted);font-size:15px}

/* services */
.services{background:var(--bg)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease}
.card:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(19,40,58,.16)}
.card .ph{aspect-ratio:16/10;overflow:hidden;background:#d9dee5}
.card .ph img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.card:hover .ph img{transform:scale(1.04)}
.card .body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1}
.tag{align-self:flex-start;font-size:12px;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;color:var(--blue);background:#e8edfa;border-radius:6px;padding:4px 9px}
.card h3{font-size:25px;color:var(--navy)}
.card p{color:var(--muted);font-size:16px}
.card ul{list-style:none;display:grid;gap:6px;margin-top:4px;font-size:15px}
.card li{padding-left:22px;position:relative}
.card li::before{content:"";position:absolute;left:0;top:9px;width:10px;height:10px;border-radius:2px;background:var(--amber)}

/* case */
.case{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.case-media{position:relative}
.case-media .main{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.case-media .main img{width:100%;aspect-ratio:16/10;object-fit:cover}
.case-media .inset{position:absolute;right:-18px;bottom:-34px;width:46%;background:#fff;border-radius:12px;padding:8px;box-shadow:var(--shadow)}
.case-media .inset img{border-radius:8px;aspect-ratio:4/3;object-fit:cover;width:100%}
.case-media .inset small{display:block;text-align:center;font-size:13px;color:var(--muted);padding-top:6px}
.case h2{margin-bottom:16px}
.checks{list-style:none;display:grid;gap:12px;margin:22px 0 30px}
.checks li{display:flex;gap:12px;align-items:flex-start}
.checks svg{flex:none;width:22px;height:22px;color:var(--red);margin-top:3px}

/* gallery */
.projects{background:var(--navy);color:#fff}
.projects h2{color:#fff}
.projects .lead{color:#b9c6d8}
.projects .eyebrow{color:var(--amber)}
.projects .eyebrow::before{background:var(--amber)}
.gallery{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:220px;gap:14px}
.gallery figure{position:relative;border-radius:12px;overflow:hidden;background:#0f2747}
.gallery figure.tall{grid-row:span 2}
.gallery figure.wide{grid-column:span 2}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.gallery figure:hover img{transform:scale(1.05)}
.gallery figcaption{position:absolute;left:0;right:0;bottom:0;padding:40px 14px 12px;font-size:14px;font-weight:600;background:linear-gradient(to top,rgba(5,15,30,.9),rgba(5,15,30,0))}

/* steps */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;counter-reset:s}
.step{background:var(--bg);border-radius:var(--radius);padding:26px 22px;position:relative;border-top:4px solid var(--navy)}
.step:nth-child(2){border-top-color:var(--blue)}
.step:nth-child(3){border-top-color:var(--red)}
.step:nth-child(4){border-top-color:var(--amber)}
.step:nth-child(5){border-top-color:#8a95a3}
.step::before{counter-increment:s;content:"0" counter(s);font-family:"Barlow Condensed",sans-serif;font-size:40px;font-weight:700;color:#c8d1dc;line-height:1;display:block;margin-bottom:12px}
.step h3{font-size:22px;color:var(--navy);margin-bottom:6px}
.step p{font-size:15px;color:var(--muted)}

/* about */
.about{background:var(--bg)}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.about-grid img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%;aspect-ratio:4/3;object-fit:cover}
.sectors{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.sectors span{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-weight:600;font-size:15px;color:var(--navy)}
.about p+p{margin-top:14px}

/* contact */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px}
.contact-info{background:var(--navy);color:#fff;border-radius:var(--radius);padding:38px 34px;display:flex;flex-direction:column;gap:22px}
.contact-info h3{font-size:30px}
.contact-info p{color:#c3cfdf}
.ci{display:flex;gap:14px;align-items:flex-start}
.ci svg{flex:none;width:24px;height:24px;color:var(--amber);margin-top:2px}
.ci b{display:block;font-size:13px;letter-spacing:1.5px;text-transform:uppercase;color:#93a6c0;font-weight:600}
.ci a,.ci span{font-size:18px;font-weight:600;color:#fff}
.ci a:hover{color:var(--amber)}
.ci>div,.contact-grid>*{min-width:0}
.ci a,.ci span{overflow-wrap:anywhere}
form.contact{display:grid;grid-template-columns:1fr 1fr;gap:16px}
form.contact .full{grid-column:1/-1}
label{display:block;font-weight:600;font-size:14px;color:var(--navy);margin-bottom:6px}
input,textarea{width:100%;font:inherit;font-size:16px;padding:13px 14px;border:1.5px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);transition:border-color .2s ease,box-shadow .2s ease}
input:focus,textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 4px rgba(37,72,96,.12)}
textarea{min-height:140px;resize:vertical}
.hp{position:absolute;left:-9999px;opacity:0;height:0;width:0}
.notice{grid-column:1/-1;border-radius:10px;padding:14px 16px;font-weight:600}
.notice.ok{background:#e6f6ec;color:#11683a}
.notice.err{background:#fdeaea;color:#a1181f}
.form-foot{grid-column:1/-1;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.form-foot small{color:var(--muted);font-size:14px}

/* footer */
footer.site{background:#071427;color:#9fb0c6;font-size:15px}
footer.site .wrap{display:flex;justify-content:space-between;align-items:center;gap:20px;padding-top:30px;padding-bottom:30px;flex-wrap:wrap}
footer.site img{height:52px;background:#fff;border-radius:8px;padding:6px 10px}
footer.site a:hover{color:#fff}

/* whatsapp float */
.wa{position:fixed;right:20px;bottom:20px;z-index:60;width:58px;height:58px;border-radius:50%;background:#25d366;color:#fff;display:grid;place-items:center;box-shadow:0 10px 24px rgba(0,0,0,.25);transition:transform .2s ease}
.wa:hover{transform:scale(1.06)}
.wa svg{width:30px;height:30px}

/* responsive */
@media (max-width:1024px){
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(3,1fr)}
  .gallery{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:860px){
  .menu-toggle{display:block}
  nav.main{position:absolute;top:76px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:8px 20px 20px;border-bottom:1px solid var(--line);box-shadow:0 12px 24px rgba(19,40,58,.08);display:none}
  nav.main.open{display:flex}
  nav.main a{padding:14px 0;border-bottom:1px solid var(--line)}
  nav.main .btn{margin-top:14px;justify-content:center;border-bottom:0}
  .stats .wrap{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .case,.about-grid,.contact-grid{grid-template-columns:1fr;gap:40px}
  .case-media .inset{right:10px;bottom:-24px}
  .section{padding:72px 0}
}
@media (max-width:640px){
  body{font-size:16px}
  .topbar .wrap{justify-content:center;text-align:center}
  .topbar .hide-sm{display:none}
  .hero .wrap{padding-top:72px;padding-bottom:80px}
  .hero p{font-size:18px}
  .grid-3{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .gallery{grid-template-columns:repeat(2,1fr);grid-auto-rows:170px}
  .gallery figure.wide{grid-column:span 2}
  form.contact{grid-template-columns:1fr}
  .logo img{height:46px}
  .contact-info{padding:30px 22px}
  .ci a,.ci span{font-size:16px}
}

/* Métrica 3D */
.tech{background:var(--bg)}
.tech-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.tech-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow)}
.tech-card .k{font-family:"Barlow Condensed",sans-serif;font-weight:800;font-size:28px;color:var(--navy);line-height:1}
.tech-card .k small{display:block;font-family:"Barlow",sans-serif;font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--red);font-weight:700;margin-bottom:8px}
.tech-card p{color:var(--muted);font-size:15.5px;margin-top:12px}
.tech-photos{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:20px;margin-top:28px}
.tech-photos figure{position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:4/3;background:#dfe5ec}
.tech-photos img{width:100%;height:100%;object-fit:cover}
.tech-photos figcaption,.reports figcaption{position:absolute;left:0;right:0;bottom:0;padding:26px 16px 12px;color:#fff;font-weight:600;font-size:14.5px;background:linear-gradient(0deg,rgba(5,15,25,.85),rgba(5,15,25,0))}
.reports{display:grid;grid-template-columns:1.4fr 1fr;grid-template-rows:auto auto;gap:20px}
.reports figure{position:relative;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:var(--shadow)}
.reports figure:first-child{grid-row:span 2}
.reports img{width:100%;height:100%;object-fit:contain;background:#fff}
.reports figcaption{background:linear-gradient(0deg,rgba(19,40,58,.92),rgba(19,40,58,0))}
.report-note{margin-top:16px;font-size:13.5px;color:var(--muted)}
.feat{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:34px}
.feat div{border-left:3px solid var(--red);padding:4px 0 4px 16px}
.feat b{display:block;color:var(--navy);font-size:18px}
.feat span{color:var(--muted);font-size:15.5px}
@media (max-width:1024px){.tech-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:860px){.tech-photos{grid-template-columns:1fr 1fr}.tech-photos figure:first-child{grid-column:span 2}.reports{grid-template-columns:1fr}.reports figure:first-child{grid-row:auto}.feat{grid-template-columns:1fr}}
@media (max-width:640px){.tech-grid{grid-template-columns:1fr}.tech-photos{grid-template-columns:1fr}.tech-photos figure:first-child{grid-column:auto}}

/* Engenharia de projetos */
.eng{background:var(--navy);color:#fff}
.eng h2{color:#fff}.eng .lead{color:#c9d4e3}
.eng-grid{display:grid;grid-template-columns:1fr 1.25fr;gap:48px;align-items:start}
.eng .checks li{color:#e6edf6}
.eng-team{margin-top:26px;padding:20px 22px;border:1px solid rgba(255,255,255,.18);border-radius:var(--radius);background:rgba(255,255,255,.05)}
.eng-team b{display:block;font-size:18px;margin-bottom:4px}.eng-team span{color:#c9d4e3;font-size:15.5px}
.eng-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.eng-tabs button{font:inherit;font-weight:700;font-size:14.5px;color:#d6e0ee;background:transparent;border:1px solid rgba(255,255,255,.28);border-radius:999px;padding:8px 16px;cursor:pointer}
.eng-tabs button[aria-selected="true"]{background:var(--red);border-color:var(--red);color:#fff}
.eng-panel{display:none}.eng-panel.is-active{display:grid}
.eng-panel{grid-template-columns:1fr 1fr;gap:14px}
.eng-panel figure{position:relative;margin:0;border-radius:12px;overflow:hidden;background:#fff;aspect-ratio:4/3}
.eng-panel figure.big{grid-column:span 2;aspect-ratio:16/9}
.eng-panel img{width:100%;height:100%;object-fit:contain;background:#fff}
.eng-panel figure.photo img{object-fit:cover}
.eng-panel figcaption{position:absolute;left:0;right:0;bottom:0;padding:22px 14px 10px;color:#fff;font-weight:600;font-size:14px;background:linear-gradient(0deg,rgba(19,40,58,.92),rgba(19,40,58,0))}
.eng-panel p.note{grid-column:span 2;color:#c9d4e3;font-size:14.5px}
@media (max-width:960px){.eng-grid{grid-template-columns:1fr}}
@media (max-width:560px){.eng-panel{grid-template-columns:1fr}.eng-panel figure.big{grid-column:auto}.eng-panel p.note{grid-column:auto}}