/* Art'Aço — Placas de aço em litografia · Ijuí-RS
   Aço escovado + índigo e laranja do logotipo. */
:root{
  --indigo:#2E2A86; --indigo-2:#1F1C5E; --laranja:#F08A1C; --amarelo:#F7C83A; --vermelho:#C8202F;
  --grafite:#16181D; --grafite-2:#23262D; --aco:#C9CDD3; --aco-2:#E7E9EC; --papel:#F5F6F7;
  --tinta:#1B1D22; --tinta-2:#5B606A; --linha:#DADDE2;
  --f:"Barlow",system-ui,-apple-system,"Segoe UI",sans-serif; --f-c:"Barlow Condensed","Barlow",sans-serif;
  --r:10px; --max:1200px; color-scheme:light;
}
*{box-sizing:border-box}[hidden]{display:none!important}html{scroll-behavior:smooth}
body{margin:0;background:var(--papel);color:var(--tinta);font-family:var(--f);font-size:17px;line-height:1.6;overflow-x:hidden}
img{max-width:100%;display:block}a{color:inherit}p{margin:0}
h1,h2,h3{margin:0;font-family:var(--f-c);font-weight:700;line-height:1.02;letter-spacing:-.005em;text-wrap:balance;text-transform:uppercase}
:focus-visible{outline:3px solid var(--laranja);outline-offset:3px;border-radius:4px}
.wrap{max-width:var(--max);margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.escovado{background:linear-gradient(180deg,rgba(255,255,255,.35),rgba(255,255,255,0) 40%,rgba(0,0,0,.06)),repeating-linear-gradient(90deg,#d9dce0 0 2px,#cfd3d8 2px 3px,#e1e3e6 3px 5px,#d3d6db 5px 6px);}
.etq{display:inline-flex;align-items:center;gap:10px;font-family:var(--f-c);font-size:.95rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--indigo)}
.etq::before{content:"";width:28px;height:4px;background:linear-gradient(90deg,var(--amarelo),var(--laranja) 50%,var(--vermelho))}
.escuro .etq{color:var(--amarelo)}

body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:60;background:var(--grafite)}
.topo{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--linha)}
.topo .wrap{display:flex;align-items:center;gap:18px;min-height:76px}
.marca{display:flex;align-items:center;text-decoration:none}
.marca img{height:44px;width:auto}
.menu{display:flex;gap:2px;margin-left:auto;align-items:center}
.menu a{text-decoration:none;font-weight:600;font-size:.95rem;padding:8px 12px;border-radius:6px;color:var(--tinta)}
.menu a:hover,.menu a[aria-current="page"]{color:var(--indigo)}
.menu a[aria-current="page"]{box-shadow:inset 0 -3px 0 var(--laranja)}
.menu .cta{background:var(--indigo);color:#fff;margin-left:8px;box-shadow:none!important}.menu .cta:hover{background:var(--indigo-2);color:#fff}
.burger{display:none;margin-left:auto;background:none;border:0;padding:10px;cursor:pointer;color:var(--tinta)}
.burger span{display:block;width:26px;height:3px;background:currentColor;margin:5px 0}
@media (max-width:900px){.burger{display:block}.menu{position:fixed;inset:calc(76px + env(safe-area-inset-top,0px)) 0 auto 0;flex-direction:column;align-items:stretch;background:#fff;border-bottom:1px solid var(--linha);padding:10px max(16px,env(safe-area-inset-right,0px)) 20px max(16px,env(safe-area-inset-left,0px));transform:translateY(-130%);transition:transform .35s ease;box-shadow:0 20px 30px -20px rgba(0,0,0,.3)}.menu.open{transform:none}.menu a{padding:12px 14px}.menu .cta{margin:8px 0 0;text-align:center}.marca img{height:38px}}

/* Hero */
.hero{position:relative;overflow:hidden;isolation:isolate}
.hero .wrap{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;padding-block:72px 84px}
.hero .wrap>*{min-width:0}
.hero h1{font-size:clamp(2.8rem,6.6vw,5.4rem);color:var(--grafite)}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--indigo),#5B3FA0 45%,var(--laranja));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{max-width:52ch;margin-top:18px;font-size:1.12rem;color:#3B3F47}
.hero .acoes{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero .selo{display:inline-flex;align-items:center;gap:8px;margin-bottom:18px;font-weight:700;font-size:.85rem;letter-spacing:.08em;text-transform:uppercase;background:var(--grafite);color:#fff;padding:7px 14px;border-radius:999px}
.hero .selo b{color:var(--amarelo)}
.mosaico{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:auto auto;gap:14px}
.mosaico figure{margin:0;background:#fff;border-radius:var(--r);overflow:hidden;box-shadow:0 22px 40px -22px rgba(0,0,0,.5);transition:transform .4s}
.mosaico figure:nth-child(1){grid-row:span 2;transform:rotate(-1.5deg)}
.mosaico figure:nth-child(2){transform:rotate(1.2deg)}
.mosaico figure:nth-child(3){transform:rotate(-.6deg)}
.mosaico figure:hover{transform:none scale(1.02)}
.mosaico img{width:100%;height:100%;object-fit:cover}
.hero .sobe{animation:sobe .8s cubic-bezier(.2,.8,.2,1) both}.hero .sobe:nth-child(2){animation-delay:.08s}.hero .sobe:nth-child(3){animation-delay:.16s}.hero .sobe:nth-child(4){animation-delay:.24s}
@keyframes sobe{from{opacity:0;transform:translateY(22px)}}
.brilho{position:absolute;inset:0;z-index:-1;background:linear-gradient(105deg,transparent 30%,rgba(255,255,255,.55) 45%,transparent 60%);background-size:250% 100%;animation:brilho 7s ease-in-out infinite}
@keyframes brilho{0%{background-position:120% 0}60%,100%{background-position:-120% 0}}
@media (max-width:860px){.hero .wrap{grid-template-columns:1fr;padding-block:48px 60px}.mosaico{order:2}}

.btn{display:inline-flex;align-items:center;gap:10px;font:inherit;font-weight:700;font-size:1rem;padding:14px 24px;border-radius:8px;text-decoration:none;border:2px solid transparent;cursor:pointer;transition:transform .2s,background .2s,color .2s,border-color .2s}
.btn:hover{transform:translateY(-2px)}.btn svg{width:20px;height:20px;flex:none}
.btn.laranja{background:var(--laranja);color:#1a1205}.btn.laranja:hover{background:#FF9C33}
.btn.indigo{background:var(--indigo);color:#fff}.btn.indigo:hover{background:var(--indigo-2)}
.btn.zap{background:#1FAF5B;color:#fff}.btn.zap:hover{background:#17964D}
.btn.contorno{border-color:var(--grafite);color:var(--grafite)}.btn.contorno:hover{background:var(--grafite);color:#fff}
.escuro .btn.contorno{border-color:rgba(255,255,255,.6);color:#fff}.escuro .btn.contorno:hover{background:#fff;color:var(--grafite)}

/* Faixa */
.faixa{background:var(--grafite);color:#fff;overflow:hidden}
.faixa .trilho{display:flex;gap:46px;width:max-content;padding-block:16px;animation:corre 32s linear infinite;font-family:var(--f-c);font-size:1.15rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase}
.faixa span{display:inline-flex;align-items:center;gap:46px;white-space:nowrap}
.faixa span::after{content:"";width:9px;height:9px;transform:rotate(45deg);background:var(--laranja)}
@keyframes corre{to{transform:translateX(-50%)}}

.secao{padding-block:86px}
.secao.aco2{background:var(--aco-2)}
.escuro{background:var(--grafite);color:#EEF0F3}.escuro p{color:#B9BEC7}
.cab{display:flex;justify-content:space-between;align-items:end;gap:24px;flex-wrap:wrap;margin-bottom:40px}
.cab h2{font-size:clamp(2.1rem,4.6vw,3.4rem);margin-top:10px}
.cab p{max-width:52ch;color:var(--tinta-2)}.escuro .cab p{color:#B9BEC7}

/* Produtos */
.prods{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.prod{position:relative;display:flex;flex-direction:column;background:#fff;border-radius:var(--r);overflow:hidden;text-decoration:none;border:1px solid var(--linha);transition:transform .3s,box-shadow .3s;min-width:0}
.prod:hover{transform:translateY(-6px);box-shadow:0 24px 40px -24px rgba(22,24,29,.55)}
.prod .foto{aspect-ratio:4/3;overflow:hidden;background:var(--aco-2);max-width:100%}
.prod .foto img{width:100%;height:100%;object-fit:cover;transition:transform .7s}
.prod:hover .foto img{transform:scale(1.06)}
.prod .txt{padding:18px 20px 22px;display:flex;flex-direction:column;gap:6px;flex:1}
.prod h3{font-size:1.6rem;color:var(--grafite)}
.prod p{font-size:.95rem;color:var(--tinta-2)}
.prod .mais{margin-top:auto;padding-top:10px;font-weight:700;font-size:.92rem;color:var(--indigo)}
.prod .mais::after{content:" →";transition:margin .25s}.prod:hover .mais::after{margin-left:5px}
.prod::after{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:linear-gradient(90deg,var(--amarelo),var(--laranja) 50%,var(--vermelho));transform:scaleX(0);transform-origin:left;transition:transform .4s}
.prod:hover::after{transform:scaleX(1)}
@media (max-width:980px){.prods{grid-template-columns:1fr 1fr}}@media (max-width:580px){.prods{grid-template-columns:1fr}}

/* Duas colunas */
.duas{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}.duas>*{min-width:0}
.duas h2{font-size:clamp(2rem,4.2vw,3.1rem);margin-block:10px 18px}
.duas .texto p+p{margin-top:14px}.duas .texto{color:var(--tinta-2)}.duas .texto h2{color:var(--grafite)}.escuro .duas .texto{color:#B9BEC7}
.moldura{border-radius:var(--r);overflow:hidden;box-shadow:0 26px 44px -26px rgba(0,0,0,.55);background:#fff}
.moldura img{width:100%;aspect-ratio:4/3;object-fit:cover}
@media (max-width:860px){.duas{grid-template-columns:1fr;gap:30px}}

/* Diferenciais */
.difs{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.dif{background:var(--grafite-2);border:1px solid rgba(255,255,255,.08);border-radius:var(--r);padding:24px 22px}
.dif b{display:block;font-family:var(--f-c);font-size:2.6rem;line-height:1;color:var(--amarelo);font-variant-numeric:tabular-nums}
.dif h3{font-size:1.3rem;margin:10px 0 6px;color:#fff}
.dif p{font-size:.95rem}
@media (max-width:900px){.difs{grid-template-columns:1fr 1fr}}@media (max-width:520px){.difs{grid-template-columns:1fr}}

/* Processo */
.passos{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:p}
.passos li{counter-increment:p;background:#fff;border:1px solid var(--linha);border-radius:var(--r);padding:24px 22px;position:relative}
.passos li::before{content:counter(p,decimal-leading-zero);font-family:var(--f-c);font-weight:700;font-size:2.4rem;line-height:1;color:var(--indigo)}
.passos h3{font-size:1.3rem;margin:10px 0 6px}
.passos p{font-size:.95rem;color:var(--tinta-2)}
@media (max-width:900px){.passos{grid-template-columns:1fr 1fr}}@media (max-width:520px){.passos{grid-template-columns:1fr}}

/* Página interna */
.pg-hero{padding-block:58px 50px;border-bottom:1px solid var(--linha)}
.pg-hero h1{font-size:clamp(2.6rem,6.4vw,4.6rem);color:var(--grafite);margin-top:8px}
.pg-hero .lead{max-width:62ch;margin-top:12px;font-size:1.1rem;color:#3B3F47}
.migalha{font-size:.88rem;color:var(--tinta-2)}
.migalha a{text-decoration:none}.migalha a:hover{color:var(--indigo)}
.artigo{display:grid;grid-template-columns:1.25fr .75fr;gap:44px;align-items:start}.artigo>*{min-width:0}
.artigo .lado{position:sticky;top:calc(96px + env(safe-area-inset-top,0px));display:grid;gap:16px}
.caixa{background:#fff;border:1px solid var(--linha);border-radius:var(--r);padding:24px}
.caixa h3{font-size:1.4rem;margin-bottom:10px}
.caixa ul{margin:0;padding-left:20px;color:var(--tinta-2)}.caixa li+li{margin-top:6px}
.caixa.escura{background:var(--grafite);color:#fff;border:0}.caixa.escura p{color:#B9BEC7}
.texto-longo p+p{margin-top:14px}.texto-longo{color:#3B3F47;font-size:1.05rem}
.texto-longo h2{font-size:1.9rem;margin:32px 0 12px;color:var(--grafite)}
@media (max-width:900px){.artigo{grid-template-columns:1fr}.artigo .lado{position:static}}

.galeria{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px;margin-top:8px}
.galeria a{display:block;border-radius:8px;overflow:hidden;background:#fff;border:1px solid var(--linha)}
.galeria img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s}
.galeria a:hover img{transform:scale(1.05)}
.galeria-grande{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}

.outras{display:flex;flex-wrap:wrap;gap:8px}
.outras a{font-size:.92rem;text-decoration:none;padding:8px 14px;border-radius:999px;background:#fff;border:1px solid var(--linha);transition:.2s}
.outras a:hover{border-color:var(--indigo);color:var(--indigo)}

/* Lightbox */
.lb{position:fixed;inset:0;z-index:90;background:rgba(10,11,14,.92);display:grid;place-items:center;padding:24px}
.lb img{max-width:min(1100px,100%);max-height:86vh;border-radius:8px;box-shadow:0 30px 60px rgba(0,0,0,.6)}
.lb button{position:absolute;top:max(14px,env(safe-area-inset-top,0px));right:16px;background:#fff;border:0;border-radius:50%;width:44px;height:44px;font-size:1.5rem;cursor:pointer}

/* Contato / orçamento */
.info{list-style:none;margin:0;padding:0;display:grid;gap:18px}
.info li{display:grid;grid-template-columns:46px 1fr;gap:14px;align-items:center}
.info .ic{width:46px;height:46px;border-radius:10px;background:var(--laranja);color:#1a1205;display:grid;place-items:center}
.info .ic svg{width:22px;height:22px}
.info small{display:block;font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;color:#9BA1AB;font-weight:700}
.info b{font-size:1.12rem}.info a{text-decoration:none}
.form{background:#fff;color:var(--tinta);border-radius:var(--r);padding:28px;display:grid;gap:14px;box-shadow:0 26px 44px -26px rgba(0,0,0,.6)}
.form h3{font-size:1.7rem}
.form label{display:grid;gap:6px;font-weight:600;font-size:.92rem}
.form input,.form select,.form textarea{font:inherit;font-size:16px;padding:12px 14px;border:1px solid var(--linha);border-radius:8px;background:var(--papel);color:var(--tinta);width:100%}
.form textarea{min-height:110px;resize:vertical}
.form .duas-c{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form small{color:var(--tinta-2)}
@media (max-width:560px){.form .duas-c{grid-template-columns:1fr}.form{padding:22px 18px}}

/* Rodapé */
.rodape{background:var(--grafite);color:#B9BEC7;padding-block:56px 26px;border-top:5px solid transparent;border-image:linear-gradient(90deg,var(--indigo),var(--laranja) 60%,var(--vermelho)) 1}
.rodape .cols{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:32px}
.rodape h4{color:#fff;font-family:var(--f-c);font-size:1.1rem;letter-spacing:.1em;text-transform:uppercase;margin:0 0 14px}
.rodape a{display:block;text-decoration:none;padding:3px 0;font-size:.95rem}.rodape a:hover{color:var(--amarelo)}
.rodape .logo{background:#fff;border-radius:8px;padding:8px 10px;display:inline-block}
.rodape .logo img{height:40px;width:auto}
.rodape .base{border-top:1px solid rgba(255,255,255,.1);margin-top:36px;padding-top:18px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:.85rem}
@media (max-width:860px){.rodape .cols{grid-template-columns:1fr 1fr}}@media (max-width:540px){.rodape .cols{grid-template-columns:1fr}}

.zap-flut{position:fixed;right:calc(18px + env(safe-area-inset-right,0px));bottom:calc(18px + env(safe-area-inset-bottom,0px));z-index:40;width:58px;height:58px;border-radius:50%;background:#1FAF5B;color:#fff;display:grid;place-items:center;box-shadow:0 10px 24px -6px rgba(0,0,0,.45)}
.zap-flut svg{width:28px;height:28px}

.js .rv{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.8,.2,1)}.js .rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}.js .rv{opacity:1;transform:none}}