:root{
  --red:#A5111B; --red-d:#7d0d14; --ink:#14161a; --ink-2:#2b3038;
  --gray:#5d6672; --line:#e4e7ec; --bg:#ffffff; --bg-2:#f5f6f8; --wa:#25D366;
  --shadow:0 4px 24px rgba(20,22,26,.09);
  --font:'Inter',-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  --disp:'Barlow Condensed','Inter',sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:78px}
body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.wrap-sm{max-width:820px}
.center{text-align:center;margin-top:40px}
.eyebrow{font-size:12px;letter-spacing:.18em;text-transform:uppercase;font-weight:700;color:var(--red);margin-bottom:12px}

h1,h2,h3{font-family:var(--disp);line-height:1.08;letter-spacing:-.01em;font-weight:700;text-transform:uppercase}
h1{font-size:clamp(34px,6vw,66px)}
h1 em{font-style:normal;color:var(--red)}
h2{font-size:clamp(28px,4.4vw,46px)}
h3{font-size:22px}

/* ---------- botões ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:var(--red);color:#fff;
  font-weight:700;font-size:15px;padding:14px 26px;border-radius:4px;border:2px solid var(--red);cursor:pointer;
  transition:.18s;font-family:var(--font);letter-spacing:.01em}
.btn:hover{background:var(--red-d);border-color:var(--red-d);transform:translateY(-2px)}
.btn-lg{padding:17px 34px;font-size:17px}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{background:var(--ink);border-color:var(--ink);color:#fff}
/* fundo escuro: hero, seções dark e o CTA final */
.sec-dark .btn-ghost,.hero .btn-ghost,.cta-final .btn-ghost{color:#fff;border-color:rgba(255,255,255,.55)}
.sec-dark .btn-ghost:hover,.hero .btn-ghost:hover,.cta-final .btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}

/* ---------- header ---------- */
.hdr{position:fixed;top:0;left:0;right:0;z-index:60;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;transition:.25s}
.hdr.on{border-bottom-color:var(--line);box-shadow:0 2px 14px rgba(0,0,0,.06)}
.hdr-in{display:flex;align-items:center;gap:28px;height:74px}
.brand{display:flex;align-items:center;gap:8px;flex-shrink:0}
.brand img{height:30px;width:auto}
.brand span{font-family:var(--disp);text-transform:uppercase;font-size:13px;letter-spacing:.2em;color:var(--gray);font-weight:600;padding-top:3px}
.nav{display:flex;gap:26px;margin-left:auto;font-size:14px;font-weight:500}
.nav a{color:var(--ink-2);transition:.15s}
.nav a:hover{color:var(--red)}
.burger{display:none;background:none;border:0;flex-direction:column;gap:5px;cursor:pointer;padding:6px}
.burger span{width:24px;height:2px;background:var(--ink);display:block;transition:.2s}

/* o vermelho da marca nao tem contraste sobre fundo escuro: usa a versao clara */
.hero .eyebrow,.sec-dark .eyebrow,.cta-final .eyebrow{color:#ff5a63}
.lead{font-size:clamp(16px,1.9vw,19px);color:#d3d7dd;max-width:660px;margin-top:22px}
.hero-stats{list-style:none;display:flex;flex-wrap:wrap;gap:14px 48px;margin-top:52px;padding-top:34px;border-top:1px solid rgba(255,255,255,.16)}
.hero-stats b{font-family:var(--disp);font-size:40px;line-height:1;display:block;color:#fff}
.hero-stats span{font-size:13px;color:#9ba3af;letter-spacing:.04em}

/* ---------- seções ---------- */
.sec{padding:92px 0}
.sec-gray{background:var(--bg-2)}
.sec-dark{background:var(--ink);color:#fff}
.sec-dark .sec-sub{color:#a4abb6}
.sec-hd{max-width:720px;margin:0 auto 54px;text-align:center}
.sec-sub{color:var(--gray);margin-top:16px;font-size:17px}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}

/* pilares */
.pilares{padding:74px 0;border-bottom:1px solid var(--line)}
.pilares article{padding:30px;border:1px solid var(--line);border-radius:6px;transition:.2s;background:#fff}
.pilares article:hover{border-color:var(--red);box-shadow:var(--shadow);transform:translateY(-3px)}
.ico{font-size:32px;margin-bottom:16px}
.pilares h3{margin-bottom:10px}
.pilares p{color:var(--gray);font-size:15px}

/* serviços */
.card{border:1px solid var(--line);border-radius:6px;overflow:hidden;background:#fff;transition:.22s;display:flex;flex-direction:column}
.card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.card img{height:210px;object-fit:cover;width:100%}
.card-b{padding:26px}
.card-b h3{margin-bottom:10px}
.card-b p{color:var(--gray);font-size:15px}

/* passos */
.passos{list-style:none;counter-reset:p;display:grid;grid-template-columns:repeat(2,1fr);gap:2px;
  background:var(--line);border:1px solid var(--line);border-radius:6px;overflow:hidden}
.passos li{background:#fff;padding:30px 28px}
.passos b{font-family:var(--disp);font-size:34px;color:var(--red);opacity:.28;display:block;line-height:1}
.passos h3{font-size:19px;margin:6px 0 8px}
.passos p{color:var(--gray);font-size:15px}

/* split */
.split{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:center}
.split-img img{border-radius:6px;width:100%;height:100%;max-height:460px;object-fit:cover}
.split-txt h2{margin-bottom:20px}
.split-txt p{color:var(--gray);margin-bottom:16px}
.checks{list-style:none;margin:22px 0 30px}
.checks li{position:relative;padding-left:28px;margin-bottom:10px;font-size:15px;font-weight:500}
.checks li::before{content:'';position:absolute;left:0;top:7px;width:14px;height:8px;border-left:2.5px solid var(--red);
  border-bottom:2.5px solid var(--red);transform:rotate(-45deg)}

/* CTA final / form */
.cta-final{background:var(--ink);color:#fff;padding:88px 0;text-align:center}
.cta-final h2{margin-bottom:12px}
.cta-final>.wrap>p{color:#a4abb6;margin-bottom:38px}
.form{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;max-width:760px;margin:0 auto;text-align:left}
.form label{display:flex;flex-direction:column;gap:7px;font-size:13px;font-weight:600;letter-spacing:.03em;color:#cfd4db}
.form label span{color:#7c848f;font-weight:400}
.form input,.form select,.form textarea{background:#1e2229;border:1px solid #333943;color:#fff;padding:13px 14px;
  border-radius:4px;font-family:var(--font);font-size:15px;font-weight:400;transition:.15s;width:100%}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--red);background:#242932}
.form input::placeholder,.form textarea::placeholder{color:#6b7380}
.form .full{grid-column:1/-1}
.form button.full{grid-column:1/-1;margin-top:6px}
.micro{font-size:12.5px;color:#949ba6;margin-top:18px}

/* faq */
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;padding:20px 40px 20px 0;font-weight:600;font-size:16.5px;position:relative;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';position:absolute;right:6px;top:16px;font-size:26px;font-weight:400;color:var(--red);transition:.2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 30px 22px 0;color:var(--gray);font-size:15.5px}

/* footer */
.ft{background:#0f1114;color:#9aa1ac;padding:64px 0 0;font-size:14.5px}
.ft-in{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px}
.ft-logo{height:34px;filter:brightness(0) invert(1);opacity:.92;margin-bottom:16px}
.ft h4{font-family:var(--disp);text-transform:uppercase;color:#fff;font-size:15px;letter-spacing:.1em;margin-bottom:12px}
.ft a:hover{color:#fff}
.ft-bot{border-top:1px solid #1e2229;padding:20px;font-size:13px;color:#8b939f;text-align:center}

/* whatsapp flutuante */
.wa-float{position:fixed;right:20px;bottom:20px;z-index:70;width:58px;height:58px;border-radius:50%;background:var(--wa);
  color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 22px rgba(37,211,102,.42);transition:.2s}
.wa-float:hover{transform:scale(1.09)}

/* lightbox */
.lightbox{position:fixed;inset:0;background:rgba(10,11,13,.94);z-index:100;display:none;align-items:center;justify-content:center;
  flex-direction:column;gap:16px;padding:24px}
.lightbox.on{display:flex}
.lightbox img{max-width:min(1000px,92vw);max-height:78vh;border-radius:4px}
.lightbox p{color:#e2e5ea;font-size:15px;font-weight:500}
.lb-x{position:absolute;top:18px;right:26px;background:none;border:0;color:#fff;font-size:42px;line-height:1;cursor:pointer;opacity:.7}
.lb-x:hover{opacity:1}

/* reveal */
.rv{opacity:0;transform:translateY(24px);transition:.6s cubic-bezier(.2,.7,.3,1)}
.rv.in{opacity:1;transform:none}

/* ---------- responsivo ---------- */
@media(max-width:1080px){ .brand span{display:none} }
@media(max-width:980px){
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .galeria{grid-template-columns:repeat(3,1fr)}
  .split{grid-template-columns:1fr;gap:34px}
  .ft-in{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:760px){
  .nav{position:fixed;top:74px;left:0;right:0;background:#fff;flex-direction:column;gap:0;padding:0 20px;
    border-bottom:1px solid var(--line);max-height:0;overflow:hidden;transition:.28s;box-shadow:var(--shadow)}
  .nav.open{max-height:340px;padding:8px 20px 18px}
  .nav a{padding:13px 0;border-bottom:1px solid var(--line);font-size:15px}
  .burger{display:flex;order:3;flex-shrink:0}
  .hdr-in{gap:10px;height:66px}
  .hdr-in .btn-sm{margin-left:auto;padding:9px 14px;font-size:13px}
  .brand span{display:none}
  .brand img{height:20px}
  html{scroll-padding-top:70px}
  .nav{top:66px}
  .hero{padding:118px 0 62px}
  .hero-stats{gap:20px 32px}
  .hero-stats b{font-size:31px}
  .sec{padding:64px 0}
  .grid-3,.grid-4{grid-template-columns:1fr}
  .galeria{grid-template-columns:repeat(2,1fr);gap:12px}
  .passos{grid-template-columns:1fr}
  .form{grid-template-columns:1fr}
  .ft-in{grid-template-columns:1fr;gap:28px}
  .cta-row .btn{width:100%}
  .wa-float{width:52px;height:52px;right:14px;bottom:14px}
}
/* telas bem estreitas: o logo largo precisa ceder para o botao e o menu caberem */
@media(max-width:400px){
  .brand img{height:17px}
  .hdr-in .btn-sm{padding:9px 12px;font-size:12.5px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}.rv{opacity:1;transform:none}}

/* =========================================================
   Estilos próprios da página de portas em ACM
   (a base acima é compartilhada com corporativarevestimentos.com)
   ========================================================= */

/* ---------- hero: texto + foto da porta ---------- */
.hero{background:var(--ink);color:#fff;padding:120px 0 0;overflow:hidden}
.hero-in{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:end}
.hero-txt{padding-bottom:80px}
.hero .eyebrow{color:#ff5a63}
.hero h1{margin-bottom:22px}
.lead{font-size:clamp(16px,1.9vw,19px);color:#c8cdd5;max-width:600px}
.lead b{color:#fff}
.hero-img{position:relative}
.hero-img img{width:100%;border-radius:6px 6px 0 0;display:block}
.hero-img::after{content:'';position:absolute;inset:auto 0 0 0;height:90px;
  background:linear-gradient(transparent,rgba(20,22,26,.55))}

/* ---------- selo do credenciamento ---------- */
.selo{background:var(--bg-2);border-bottom:1px solid var(--line);padding:20px 0;text-align:center}
.selo p{font-size:14px;color:var(--gray)}
.selo b{color:var(--ink)}

/* ---------- pilares ---------- */
.pilar{padding:30px;border:1px solid var(--line);border-radius:6px;background:#fff;transition:.2s}
.pilar:hover{border-color:var(--red);box-shadow:var(--shadow);transform:translateY(-3px)}
.pilar h3{margin-bottom:10px}
.pilar p{color:var(--gray);font-size:15px}
.ico{font-size:32px;margin-bottom:16px}

/* ---------- linhas de produto ---------- */
.linha{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:8px;padding:44px;margin-bottom:28px}
.linha.invertida{grid-template-columns:1.15fr .85fr}
.linha.invertida .linha-img{order:2}
.linha-img{display:flex;justify-content:center}
.linha-img img{max-height:360px;width:auto;object-fit:contain;border-radius:4px}
.tag{display:inline-block;background:var(--ink);color:#fff;font-size:12px;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;padding:7px 14px;border-radius:100px;margin-bottom:16px}
.linha-txt h3{font-size:30px;margin-bottom:12px}
.linha-txt>p{color:var(--gray);margin-bottom:22px}
.specs{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:6px;overflow:hidden}
.specs li{background:#fff;padding:16px 18px}
.specs b{display:block;font-size:11.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--gray);margin-bottom:5px}
.specs span{font-family:var(--disp);font-size:24px;font-weight:700;color:var(--ink)}
.nota{font-size:13px;color:var(--gray);margin-top:12px;font-style:italic}

.acessorios{background:var(--ink);color:#fff;border-radius:8px;padding:30px 40px;
  display:flex;align-items:center;gap:36px;flex-wrap:wrap}
.acessorios h4{font-family:var(--disp);text-transform:uppercase;font-size:17px;letter-spacing:.08em;flex-shrink:0}
.acessorios ul{list-style:none;display:flex;gap:12px;flex-wrap:wrap}
.acessorios li{border:1px solid rgba(255,255,255,.28);border-radius:100px;padding:8px 18px;font-size:14px}

/* ---------- ficha técnica ---------- */
.tecnica{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:8px;overflow:hidden}
.tecnica article{background:#fff;padding:26px 24px}
.tecnica b{display:block;font-family:var(--disp);text-transform:uppercase;font-size:17px;
  letter-spacing:.02em;margin-bottom:8px}
.tecnica p{font-size:14.5px;color:var(--gray)}

/* ---------- cartela de cores ---------- */
.cartela{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.cor{border-radius:6px;overflow:hidden;background:#fff;border:1px solid var(--line);transition:.2s}
.cor:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.cor img{width:100%;aspect-ratio:1;object-fit:cover;display:block}
.cor span{display:block;padding:11px 10px;font-size:12.5px;font-weight:600;text-align:center;color:var(--ink-2)}

/* ---------- passos ---------- */
.passos{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:2px;
  background:var(--line);border:1px solid var(--line);border-radius:6px;overflow:hidden}
.passos li{background:#fff;padding:30px 28px}
.passos b{font-family:var(--disp);font-size:34px;color:var(--red);opacity:.28;display:block;line-height:1}
.passos h3{font-size:19px;margin:6px 0 8px}
.passos p{color:var(--gray);font-size:15px}

/* ---------- ajustes de seções herdadas ---------- */
.sec-dark .split-img img{border-radius:6px;background:#fff;padding:20px}
/* o texto do bloco split e cinza-escuro por padrao: clareia em fundo escuro */
.sec-dark .split-txt p,.sec-dark .split-txt li{color:#c3c9d2}
.sec-dark .split-txt b{color:#fff}
.checks li b{font-weight:700}
.sec-dark .checks li::before{border-color:#ff5a63}

/* ---------- responsivo ---------- */
@media(max-width:1080px){
  .cartela{grid-template-columns:repeat(4,1fr)}
  .tecnica{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:980px){
  .hero-in{grid-template-columns:1fr;gap:0}
  .hero-txt{padding-bottom:44px}
  .hero-img{max-width:460px;margin:0 auto}
  .linha,.linha.invertida{grid-template-columns:1fr;gap:32px;padding:30px}
  .linha.invertida .linha-img{order:0}
  .passos{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:760px){
  .hero{padding-top:96px}
  .cartela{grid-template-columns:repeat(3,1fr);gap:12px}
  .tecnica,.passos{grid-template-columns:1fr}
  .specs{grid-template-columns:1fr}
  .acessorios{padding:24px;gap:18px}
  .linha-img img{max-height:280px}
}
@media(max-width:400px){
  .cartela{grid-template-columns:repeat(2,1fr)}
}