:root{--red:#b3161b;--red-d:#8f1015;--dark:#1c1c1c;--dark2:#1f1f1f;--light:#f2f2f2;--txt:#333}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:'Montserrat',Arial,sans-serif;background:var(--dark);color:var(--txt);line-height:1.5;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
.wrap{max-width:1200px;margin:0 auto;padding-inline:20px}
.titulo{margin:0;text-align:center;color:var(--red);font-size:clamp(28px,3vw,34px);font-weight:800;line-height:1.2;text-transform:uppercase}
.btn{display:inline-block;background:var(--red);color:#fff;font-size:15px;font-weight:600;text-transform:uppercase;padding:15px 26px;border-radius:30px;transition:background .2s}
.btn:hover{background:var(--red-d)}
.skip{position:absolute;left:-9999px;top:0;background:#fff;color:#000;padding:8px 12px;z-index:100}
.skip:focus{left:8px;top:8px}

/* Topo */
.topo{position:relative;z-index:50;background:var(--dark)}
.topo__in{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-block:18px}
.logo img{width:180px;max-width:45vw}
.menu ul{list-style:none;margin:0;padding:0}
.menu>ul{display:flex;align-items:center;gap:56px;font-size:15px;font-weight:600;color:#fff;text-transform:uppercase}
.menu a{display:flex;align-items:center;gap:8px;transition:color .2s}
.menu a:hover{color:var(--red)}
.menu .fa-angle-down{font-size:12px;color:#666}
.has-sub{position:relative}
.has-sub::after{content:"";position:absolute;left:0;right:0;top:100%;height:16px}
.sub{position:absolute;top:calc(100% + 16px);left:0;display:none;min-width:250px;background:var(--dark);border-top:3px solid var(--red);box-shadow:0 8px 24px rgba(0,0,0,.45);font-size:13px}
.has-sub:hover .sub,.has-sub:focus-within .sub{display:block}
.sub a{padding:13px 20px}
.sub a:hover{background:#262626}
.menu-btn{display:none;background:none;border:0;color:var(--red);font-size:28px;padding:6px;min-width:44px;min-height:44px}

/* Hero */
.hero{position:relative;height:clamp(560px,calc(100vh - 130px),900px);overflow:hidden;background:#2b2b2b}
.hero__slide{position:absolute;inset:0;opacity:0;z-index:1;transition:opacity .9s ease}
.hero__slide.is-active{opacity:1;z-index:2}
.hero__img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero__txt{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:0 64px;color:#fff}
.hero__title{margin:0 0 18px;font-size:clamp(36px,4vw,48px);font-weight:800;line-height:1.15;text-transform:uppercase;max-width:900px;text-wrap:balance;text-shadow:0 2px 8px rgba(0,0,0,.75),0 0 24px rgba(0,0,0,.5)}
.hero__txt p{margin:0 0 30px;font-size:clamp(17px,1.5vw,21px);max-width:760px;text-shadow:0 1px 6px rgba(0,0,0,.8),0 0 18px rgba(0,0,0,.5)}
.hero__prev,.hero__next{position:absolute;top:50%;transform:translateY(-50%);z-index:10;background:none;border:0;color:#fff;font-size:26px;padding:12px;min-width:44px;min-height:44px;text-shadow:0 1px 4px rgba(0,0,0,.6)}
.hero__prev{left:8px}
.hero__next{right:8px}

/* Áreas de atuação */
.areas{background:var(--light);padding:100px 0 80px;container-type:inline-size}
.areas .titulo{margin-bottom:60px;padding-inline:20px}
.areas__track{position:relative;display:flex;gap:40px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;padding-inline:calc(33.333cqw + 20px)}
.areas__track::-webkit-scrollbar{display:none}
.areas__item{flex:0 0 calc((100cqw - 120px)/3);margin:0;position:relative;aspect-ratio:3/2;border-radius:14px;overflow:hidden;background:#ddd;scroll-snap-align:center}
.areas__item img{width:100%;height:100%;object-fit:cover}
.areas__dots{display:flex;justify-content:center;gap:14px;margin-top:40px}
.areas__dots button{width:10px;height:10px;border-radius:50%;border:0;padding:0;background:#9a9a9a}
.areas__dots .is-active{background:var(--red)}

/* Máquinas e equipamentos */
.maquinas{background:#fff;padding:90px 0}
.maquinas .titulo{margin-bottom:50px}
.maquinas__grid{display:grid;grid-template-columns:1fr 1fr;grid-template-areas:"lead lead" "list img";column-gap:40px;align-items:center}
.maquinas__lead{grid-area:lead;margin:0 0 40px;text-align:center;font-size:20px;font-weight:700;color:#222;line-height:1.35}
.checks{grid-area:list;list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px;font-size:16px;line-height:1.6}
.checks li{display:flex;gap:14px;align-items:flex-start}
.checks i{color:var(--red);font-size:19px;margin-top:4px;flex:0 0 auto}
.maquinas__img{grid-area:img;width:100%;aspect-ratio:490/355;object-fit:cover;border-radius:10px}

/* Produtos e serviços */
.produtos{background:var(--dark2);color:#fff;padding:80px 0 100px}
.produtos .wrap{display:flex;flex-direction:column;gap:90px}
.prod{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;scroll-margin-top:20px}
.prod--rev .prod__media{order:2}
.prod h3{margin:0 0 10px;font-size:18px;font-weight:700;text-transform:uppercase}
.prod__list{display:flex;flex-direction:column;gap:9px;font-size:14px;line-height:1.4}
.prod__list p{margin:0}
.carousel{position:relative}
.carousel__track{position:relative;display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;border-radius:10px;background:#2b2b2b}
.carousel__track::-webkit-scrollbar{display:none}
.carousel__track>img{flex:0 0 100%;min-width:0;width:100%;aspect-ratio:16/9;object-fit:cover;scroll-snap-align:start}
.carousel--duo .carousel__track{background:none}
.carousel--duo .carousel__track>img{flex-basis:calc(50% - 6px);aspect-ratio:2/3;border-radius:10px;background:#2b2b2b}
.carousel__prev,.carousel__next{position:absolute;top:50%;transform:translateY(-50%);background:none;border:0;color:#fff;font-size:20px;padding:10px;min-width:44px;min-height:44px;text-shadow:0 1px 4px rgba(0,0,0,.6)}
.carousel__prev[hidden],.carousel__next[hidden]{display:none}
.carousel__prev{left:6px}
.carousel__next{right:6px}

/* Sobre nós */
.sobre{background:#fff;padding:90px 0}
.sobre .wrap{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.sobre .titulo{text-align:left;margin-bottom:6px}
.sobre__sub{margin:0 0 28px;font-size:20px;font-weight:700;color:#222}
.sobre__body{display:flex;flex-direction:column;gap:22px;font-size:16px}
.sobre__body p{margin:0}
.sobre__imgs{display:flex;flex-direction:column;gap:20px}
.sobre__imgs img{width:100%;object-fit:cover;border-radius:10px}
.sobre__imgs img:first-child{aspect-ratio:512/275}
.sobre__imgs img:last-child{aspect-ratio:512/340}

/* Trabalhe conosco / Localização */
.local{display:grid;grid-template-columns:1fr 1fr}
.trabalhe{background:var(--red);color:#fff;padding:50px clamp(24px,8vw,150px) 60px;min-height:420px}
.trabalhe .titulo{color:#fff;text-align:left;margin-bottom:50px}
.trabalhe p{margin:0;font-size:18px}
.mapa{background:#fff;display:flex;flex-direction:column}
.mapa .titulo{padding:38px 20px 46px}
.mapa iframe{display:block;width:100%;flex:1 1 auto;min-height:540px;border:0}

/* Contatos / rodapé */
.contatos{background:var(--dark);color:#fff;padding:80px 0 50px}
.contatos .titulo{margin-bottom:40px}
.contatos__lead{margin:0;text-align:center;font-size:18px}
.contatos__linha{max-width:1400px;margin:110px auto 100px;border-top:1px solid #6a6a6a}
.rodape{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:40px;align-items:center}
.rodape__logo{width:130px;opacity:.5}
.rodape h3{margin:0 0 20px;color:var(--red);font-size:18px;font-weight:700;text-transform:uppercase}
.rodape p{margin:0;font-size:15px;line-height:2}
.rodape ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px;font-size:15px}
.rodape li{display:flex;align-items:center;gap:14px}
.rodape li i{color:var(--red);font-size:18px;width:20px;text-align:center}
.copy{margin:70px 0 0;text-align:center;font-size:15px}
.copy a{color:var(--red);font-weight:700}

/* Voltar ao topo */
.topo-btn{position:fixed;right:30px;bottom:30px;z-index:60;width:46px;height:46px;border-radius:50%;border:0;background:var(--red);color:#fff;font-size:20px;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px rgba(0,0,0,.35);opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .3s,transform .3s,visibility .3s}
.topo-btn.is-visible{opacity:1;visibility:visible;transform:none}

/* Efeito de rolagem */
[data-reveal]{opacity:0;transform:translateY(28px);transition:opacity .8s ease,transform .8s ease}
[data-reveal].in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){[data-reveal]{opacity:1;transform:none;transition:none}}

/* Celular / tablet */
@media (max-width:1024px){
  .menu-btn{display:block}
  .menu{display:none;position:absolute;top:100%;left:0;right:0;background:var(--dark);border-top:1px solid #2c2c2c;box-shadow:0 12px 24px rgba(0,0,0,.4)}
  body.menu-open .menu{display:block}
  .menu>ul{flex-direction:column;align-items:stretch;gap:0}
  .menu>ul>li>a{padding:16px 24px;border-bottom:1px solid #2c2c2c}
  .menu>ul>li:last-child>a{border-bottom:0}
  .menu .fa-angle-down{display:none}
  .has-sub::after{display:none}
  .sub{position:static;display:block;min-width:0;border:0;box-shadow:none}
  .sub a{padding:14px 24px 14px 44px;border-bottom:1px solid #2c2c2c;font-size:13px;font-weight:500}

  .areas__track{padding-inline:calc((100cqw - min(90cqw,420px))/2)}
  .areas__item{flex-basis:min(90cqw,420px)}

  .maquinas__grid{grid-template-columns:1fr;grid-template-areas:"img" "lead" "list"}
  .maquinas__img{margin-bottom:40px}

  .prod{display:flex;flex-direction:column;text-align:center}
  .prod__txt{display:contents}
  .prod h3{order:-1;margin:0;font-size:22px}
  .prod--rev .prod__media{order:0}

  .sobre .wrap{display:flex;flex-direction:column;gap:0}
  .sobre__txt{display:contents}
  .sobre .titulo{order:1}
  .sobre__sub{order:2}
  .sobre__imgs{order:3;margin-bottom:28px}
  .sobre__body{order:4}

  .local{grid-template-columns:1fr}
  .trabalhe{min-height:0}
}