:root{
  --navy:#08375a; --navy-d:#052840; --grey:#6f757b; --ink:#1c2630; --line:#d9dee3;
  --bg:#ffffff; --bg2:#f3f5f7; --accent:#b3282d;
  --font:"Helvetica Neue",Helvetica,Arial,sans-serif;
  --max:1200px; --gut:clamp(16px,4vw,40px);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{font-family:var(--font);color:var(--ink);background:var(--bg);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 var(--gut)}
.eyebrow{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--grey);font-weight:600;margin-bottom:14px;display:flex;align-items:center;gap:12px}
.eyebrow:before{content:"";width:28px;height:2px;background:var(--navy)}
h1,h2,h3{font-weight:700;line-height:1.15;letter-spacing:-.01em;color:var(--navy)}
h2{font-size:clamp(28px,3.4vw,40px);margin-bottom:18px}
h3{font-size:20px;margin-bottom:8px}
section{padding:96px 0}
.lead{font-size:19px;color:#3a4651;max-width:62ch}
.btn{display:inline-block;padding:14px 26px;font-weight:600;font-size:15px;letter-spacing:.03em;border:2px solid var(--navy);background:var(--navy);color:#fff;transition:.2s;cursor:pointer;font-family:inherit}
.btn:hover{background:var(--navy-d);border-color:var(--navy-d)}
.btn.ghost{background:transparent;color:#fff;border-color:#fff}
.btn.ghost:hover{background:#fff;color:var(--navy)}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}

/* header */
header{position:fixed;inset:0 0 auto 0;z-index:50;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(6px)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.nav img{height:40px;width:auto}
.nav ul{display:flex;gap:28px;list-style:none;align-items:center}
.nav a{font-size:14px;font-weight:600;letter-spacing:.04em;color:var(--ink)}
.nav a:hover{color:var(--navy)}
.nav .cta{background:var(--navy);color:#fff;padding:10px 18px}
.nav .cta:hover{background:var(--navy-d);color:#fff}
.burger{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer}
.burger span,.burger span:before,.burger span:after{display:block;width:24px;height:2px;background:var(--navy);position:relative;content:""}
.burger span:before{position:absolute;top:-7px}.burger span:after{position:absolute;top:7px}

/* hero */
.hero{position:relative;min-height:clamp(560px,100vh,860px);display:flex;align-items:flex-end;color:#fff;padding:0 0 80px;background:var(--navy-d) url(img/hero.jpg) center/cover}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,40,64,.55) 0%,rgba(5,40,64,.35) 35%,rgba(5,40,64,.88) 100%)}
.hero .wrap{width:100%;position:relative;padding-top:140px}
.hero .eyebrow{color:#cdd8e2}.hero .eyebrow:before{background:#fff}
.hero h1{color:#fff;font-size:clamp(34px,5.2vw,64px);max-width:16ch;margin-bottom:22px}
.hero p{font-size:20px;max-width:56ch;color:#e4ebf1;margin-bottom:34px}
.hero .actions{display:flex;gap:14px;flex-wrap:wrap}

/* facts */
.facts{background:var(--navy);color:#fff;padding:0}
.facts .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.fact{padding:34px 28px;border-left:1px solid rgba(255,255,255,.18)}
.fact:first-child{border-left:0;padding-left:0}
.fact b{display:block;font-size:clamp(28px,3vw,38px);line-height:1.1;font-weight:700;margin-bottom:6px}
.fact span{font-size:14px;color:#c4d2de;letter-spacing:.02em}

/* empresa */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split p{margin-bottom:16px;color:#3a4651}
.premissas{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
.premissas span{border:1px solid var(--line);padding:6px 12px;font-size:14px;color:var(--navy);font-weight:600}
.vantagens{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:64px;border-top:2px solid var(--navy)}
.vantagens div{padding:26px 24px 8px 0}
.vantagens h3{font-size:17px}
.vantagens p{font-size:15px;color:#4c5863}

/* soluções */
.bg2{background:var(--bg2)}
.sol-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:48px}
.sol{background:#fff;padding:34px 30px;min-height:250px;transition:.2s}
.sol:hover{background:var(--navy);}
.sol:hover h3,.sol:hover p,.sol:hover .n{color:#fff}
.sol .n{font-size:13px;color:var(--grey);font-weight:700;letter-spacing:.14em;margin-bottom:34px;display:block}
.sol p{font-size:15.5px;color:#4c5863}
.etapas{display:flex;gap:0;margin-top:48px}
.etapas div{flex:1;padding:22px 24px;border-top:3px solid var(--navy);background:#fff}
.etapas h3{font-size:16px;text-transform:uppercase;letter-spacing:.08em}
.etapas p{font-size:15px;color:#4c5863}

/* áreas */
.areas{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;margin-top:48px}
.area{border-top:2px solid var(--navy);padding-top:18px}
.area h3{font-size:18px}
.area p{font-size:15px;color:#4c5863;margin-bottom:10px}
.area small{font-size:13px;color:var(--grey)}

/* portfólio */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin:32px 0 28px}
.filters button{font-family:inherit;font-size:14px;font-weight:600;padding:9px 16px;background:#fff;border:1px solid var(--line);color:var(--ink);cursor:pointer}
.filters button[aria-pressed=true]{background:var(--navy);border-color:var(--navy);color:#fff}
.obras{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.obra{background:#fff;border:1px solid var(--line)}
.obra[hidden]{display:none}
.obra img{width:100%;aspect-ratio:3/2;object-fit:cover;filter:saturate(.92)}
.obra .b{padding:20px 22px 22px}
.obra .tag{font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--grey);font-weight:700}
.obra h3{margin:6px 0 2px;font-size:19px}
.obra .loc{font-size:14px;color:var(--grey);margin-bottom:14px}
.obra dl{display:flex;gap:26px;border-top:1px solid var(--line);padding-top:12px}
.obra dt{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--grey)}
.obra dd{font-size:17px;font-weight:700;color:var(--navy)}

/* fábrica */
.fab{background:var(--navy-d);color:#fff}
.fab h2,.fab h3{color:#fff}.fab .eyebrow{color:#a9bccc}.fab .eyebrow:before{background:#fff}
.fab .lead{color:#cbd8e3}
.fab-nums{display:flex;gap:56px;margin:32px 0 44px}
.fab-nums b{display:block;font-size:44px;line-height:1;font-weight:700}
.fab-nums span{font-size:14px;color:#a9bccc}
.gal{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.gal img{width:100%;aspect-ratio:1;object-fit:cover}
.gal img:first-child{grid-column:span 2;grid-row:span 2;aspect-ratio:auto;height:100%}

/* clientes */
.clientes{display:flex;flex-wrap:wrap;gap:0;margin-top:36px;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.clientes span{flex:1 1 16.66%;min-width:160px;padding:24px 16px;text-align:center;font-weight:700;color:var(--grey);letter-spacing:.04em;border-right:1px solid var(--line);border-bottom:1px solid var(--line);font-size:15px}

/* contato */
.contato{display:grid;grid-template-columns:1fr 1.2fr;gap:64px}
.dados p{margin-bottom:14px;color:#3a4651}
.dados b{display:block;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--grey)}
form{display:grid;grid-template-columns:1fr 1fr;gap:16px}
form .full{grid-column:1/-1}
label{font-size:13px;font-weight:600;color:var(--navy);display:block;margin-bottom:6px}
input,select,textarea{width:100%;font:inherit;font-size:16px;padding:12px 14px;border:1px solid #b9c2ca;background:#fff;border-radius:0}
textarea{min-height:120px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid var(--navy);border-color:var(--navy)}
.nota{font-size:13px;color:var(--grey)}

footer{background:var(--navy-d);color:#b8c6d3;padding:48px 0;font-size:14px}
footer .wrap{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
footer img{height:34px}

@media(max-width:980px){
  section{padding:64px 0}
  .nav ul{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;gap:0;padding:8px var(--gut) 20px;border-bottom:1px solid var(--line)}
  .nav ul.open{display:flex}.nav li{width:100%;border-bottom:1px solid var(--line)}.nav li a{display:block;padding:14px 0}
  .nav .cta{display:inline-block;margin-top:12px}
  .burger{display:block}
  .facts .wrap{grid-template-columns:repeat(2,1fr)}.fact{padding:24px 16px}.fact:nth-child(3){border-left:0;padding-left:0}
  .split,.contato{grid-template-columns:1fr;gap:36px}
  .vantagens,.sol-grid,.obras{grid-template-columns:1fr 1fr}
  .areas{grid-template-columns:1fr 1fr}
  .etapas{flex-direction:column}
  .gal{grid-template-columns:1fr 1fr}.gal img:first-child{grid-column:span 2;height:auto;aspect-ratio:16/9}
  .fab-nums{gap:32px}
}
@media(max-width:600px){
  .vantagens,.sol-grid,.obras,.areas,form{grid-template-columns:1fr}
  .hero{padding-bottom:48px}
  .fab-nums{flex-direction:column;gap:18px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* ===== páginas internas ===== */
.nav a.on{color:var(--navy);box-shadow:0 2px 0 var(--navy)}
.phero{background:var(--navy-d) center/cover;color:#fff;padding:150px 0 64px;position:relative}
.phero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,40,64,.94) 0%,rgba(5,40,64,.72) 60%,rgba(5,40,64,.5) 100%)}
.phero .wrap{position:relative}
.phero h1{color:#fff;font-size:clamp(32px,4.4vw,52px);max-width:20ch;margin-bottom:14px}
.phero p{color:#d3dde6;font-size:19px;max-width:60ch}
.phero .eyebrow{color:#b9c9d7}.phero .eyebrow:before{background:#fff}
.crumbs{font-size:13px;color:#b9c9d7;margin-bottom:22px;letter-spacing:.04em}
.crumbs a:hover{color:#fff;text-decoration:underline}
.pad-s{padding:72px 0}
.pilares{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:40px}
.pilar{border-top:2px solid var(--navy);padding-top:16px}
.pilar p{font-size:15px;color:#4c5863}
.alt{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:56px 0;border-top:1px solid var(--line)}
.alt:first-of-type{border-top:0}
.alt.rev .alt-t{order:2}
.alt img{width:100%;aspect-ratio:3/2;object-fit:cover}
.alt .n{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--grey);display:block;margin-bottom:10px}
.alt p{color:#3a4651;margin-bottom:12px}
.alt ul{margin:8px 0 0 18px;color:#3a4651;font-size:16px}
.alt li{margin-bottom:6px}
.area-bloco{display:grid;grid-template-columns:320px 1fr;gap:48px;padding:48px 0;border-top:1px solid var(--line)}
.area-bloco:first-of-type{border-top:0}
.area-bloco p{color:#3a4651;margin-bottom:14px}
.mini{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:18px}
.mini a{display:block;background:#fff;border:1px solid var(--line)}
.mini img{aspect-ratio:3/2;object-fit:cover;width:100%}
.mini span{display:block;padding:10px 12px;font-size:14px;font-weight:700;color:var(--navy)}
.mini a:hover{border-color:var(--navy)}
.obra a{display:block}
.obra a:hover h3{text-decoration:underline}
.specs{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));border:1px solid var(--line);background:#fff;margin:-40px 0 56px;position:relative;z-index:2}
.specs div{padding:20px 22px;border-left:1px solid var(--line)}
.specs div:first-child{border-left:0}
.specs dt{font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--grey);font-weight:700;margin-bottom:4px}
.specs dd{font-size:19px;font-weight:700;color:var(--navy)}
.obra-txt{display:grid;grid-template-columns:1.4fr 1fr;gap:64px;align-items:start}
.obra-txt p{color:#3a4651;margin-bottom:14px}
.obra-gal{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:48px}
.obra-gal img{width:100%;aspect-ratio:3/2;object-fit:cover}
.obra-gal.g3 img:first-child{grid-column:span 2;aspect-ratio:16/8}
table.t{width:100%;border-collapse:collapse;font-size:15.5px;background:#fff}
table.t th,table.t td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left}
table.t th{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--grey)}
table.t td:nth-child(n+2),table.t th:nth-child(n+2){text-align:right;white-space:nowrap}
.nav-obras{display:flex;justify-content:space-between;gap:16px;margin-top:56px;padding-top:24px;border-top:1px solid var(--line);font-weight:700;color:var(--navy);font-size:15px}
details.seg{border-top:1px solid var(--line);padding:16px 0}
details.seg:last-of-type{border-bottom:1px solid var(--line)}
details.seg summary{cursor:pointer;font-weight:700;color:var(--navy);font-size:18px;list-style:none;display:flex;justify-content:space-between}
details.seg summary:after{content:"+";font-size:22px;line-height:1}
details.seg[open] summary:after{content:"–"}
details.seg ul{margin:14px 0 4px 0;columns:2;column-gap:40px;list-style:none;font-size:15.5px;color:#3a4651}
details.seg li{padding:4px 0;break-inside:avoid}
.cta-faixa{background:var(--navy);color:#fff;padding:56px 0}
.cta-faixa .wrap{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.cta-faixa h2{color:#fff;margin:0;font-size:clamp(22px,2.6vw,30px)}
.cta-faixa .btn{background:#fff;color:var(--navy);border-color:#fff}
.cta-faixa .btn:hover{background:#e7edf2}
.mapa-link{display:inline-block;margin-top:6px;font-weight:700;color:var(--navy);border-bottom:2px solid var(--navy)}
@media(max-width:980px){
  .phero{padding:120px 0 48px}
  .pilares{grid-template-columns:1fr 1fr}
  .alt,.area-bloco,.obra-txt{grid-template-columns:1fr;gap:24px}
  .alt.rev .alt-t{order:0}
  .mini{grid-template-columns:1fr 1fr}
  details.seg ul{columns:1}
}
@media(max-width:600px){.pilares,.mini{grid-template-columns:1fr}.specs{margin-top:-24px}.obra-gal{grid-template-columns:1fr}.obra-gal.g3 img:first-child{grid-column:auto}}

/* curadoria 14/10/2026: vídeo do hero, fachada, logos, vídeos em campo */
.hero:before{z-index:1}.hero .wrap{z-index:2}
.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
@media(prefers-reduced-motion:reduce){.hero-video{display:none}}
.fab-top{display:flex;align-items:center;justify-content:space-between;gap:48px;flex-wrap:wrap;margin:32px 0 44px}
.fab-top .fab-nums{margin:0}
.fab-top .fachada{width:min(100%,451px);height:auto}
.clientes.logos span{flex:1 1 16.66%;min-width:150px;height:96px;padding:16px 20px;display:flex;align-items:center;justify-content:center}
.clientes.logos img{max-width:100%;max-height:60px;object-fit:contain}
.vgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.vgrid figure{margin:0}
.vgrid video{width:100%;aspect-ratio:9/12;object-fit:cover;background:#0b2a40;display:block}
.vgrid figcaption{font-size:13px;color:var(--grey);margin-top:8px}
.obra-gal img:last-child:nth-child(odd){grid-column:span 2;aspect-ratio:16/8}
@media(max-width:900px){.vgrid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.obra-gal img:last-child:nth-child(odd){grid-column:auto;aspect-ratio:3/2}.fab-top{gap:24px}}

/* 16/10/2026: hero com foto de montagem (Bracell) no lugar do vídeo */
.hero{background:var(--navy-d) url(img/hero-home.jpg) 50% 40%/cover}

/* 16/10/2026: subdivisão da galeria por etapa/unidade */
.gal-t{font-size:20px;margin:44px 0 -28px}
.obra-txt+.gal-t,.gal-t:first-of-type{margin-top:48px}
table.t a{color:var(--navy);font-weight:600;text-decoration:underline}

/* 16/10/2026: formulário real */
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-msg{padding:14px 16px;border-left:4px solid var(--navy);background:#eef3f7;font-weight:600}
.form-msg.ok{border-color:#2e7d32;background:#edf7ee;color:#1b5e20}
.form-msg.erro{border-color:#b3261e;background:#fdeceb;color:#8c1d18}
.lgpd{font-size:13.5px;color:var(--grey);margin:0}
.lgpd a,footer a{text-decoration:underline}