/* =========================================================
   123 Amortecedores — estilos do site institucional
   Cores da marca: altere apenas os tokens abaixo
   ========================================================= */
:root{
  --graphite:#1d2227;
  --steel:#5a6570;
  --amber:#f2a900;
  --amber-dark:#c98a00;
  --paper:#f4f4f1;
  --white:#ffffff;
  --line:#dcdcd6;
  --ink:#1d2227;
  --radius:6px;
  --wrap:1180px;
  --display:"Barlow Condensed","Arial Narrow",Arial,sans-serif;
  --body:"Barlow","Segoe UI",Roboto,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{font-family:var(--body);color:var(--ink);background:var(--paper);font-size:17px;line-height:1.6}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
:focus-visible{outline:3px solid var(--amber);outline-offset:3px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
h1,h2,h3{font-family:var(--display);line-height:1.05}
h2{font-size:clamp(30px,4vw,44px);margin-bottom:10px}
h3{font-size:22px}
.lead{color:var(--steel);max-width:62ch;margin-bottom:32px}
section{padding:80px 0}
.bg-white{background:var(--white)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--display);font-weight:700;font-size:19px;padding:13px 24px;border-radius:var(--radius);text-decoration:none;border:2px solid transparent;cursor:pointer;transition:background .15s}
.btn-amber{background:var(--amber);color:var(--graphite)}
.btn-amber:hover{background:var(--amber-dark)}
.btn-dark{background:var(--graphite);color:var(--white)}
.btn-dark:hover{background:#000}
.btn-ghost{border-color:currentColor;background:transparent}
.btn-ghost:hover{background:rgba(255,255,255,.08)}

/* Header */
.top{background:var(--graphite);color:#c9cdd1;font-size:14px}
.top .wrap{display:flex;justify-content:space-between;gap:12px;padding-top:7px;padding-bottom:7px;flex-wrap:wrap}
.site-header{position:sticky;top:0;z-index:30;background:var(--white);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:16px}
.logo img{height:46px;width:auto}
.nav ul{list-style:none;display:flex;gap:24px;font-weight:600;font-size:16px}
.nav a{text-decoration:none;padding:6px 0;border-bottom:2px solid transparent}
.nav a:hover,.nav a[aria-current="page"]{border-color:var(--amber)}
.has-sub{position:relative}
.sub{display:none;position:absolute;top:100%;left:-20px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:16px 20px;min-width:520px;grid-template-columns:repeat(3,1fr);gap:12px 20px;box-shadow:0 12px 30px rgba(0,0,0,.12)}
.has-sub:hover .sub,.has-sub:focus-within .sub{display:grid}
.sub b{font-family:var(--display);font-size:17px;display:block;border-bottom:1px solid var(--line);margin-bottom:4px}
.sub a{display:block;font-weight:500;font-size:15px;color:var(--steel);border:0;padding:2px 0}
.sub a:hover{color:var(--ink)}
.menu-btn{display:none;background:none;border:0;font-size:28px;cursor:pointer;color:var(--ink)}
.site-header .btn{font-size:17px;padding:9px 18px}

/* Hero home */
.hero{background:var(--graphite);color:var(--white);padding:0;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.05fr 1fr;align-items:center;gap:40px;min-height:540px}
.hero h1{font-size:clamp(40px,6vw,76px);font-weight:800;margin-bottom:18px}
.hero p{color:#c9cdd1;max-width:52ch;margin-bottom:28px}
.hero .ctas{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:36px}
.hero-img{align-self:end}
.hero-img img{width:100%;max-height:520px;object-fit:contain}
.badge{display:inline-block;background:var(--amber);color:var(--graphite);font-weight:700;padding:4px 12px;border-radius:999px;font-size:14px;margin:36px 0 18px}

/* Cabeçalho das páginas internas */
.page-head{background:var(--graphite);color:var(--white);padding:48px 0 44px}
.page-head h1{font-size:clamp(36px,5vw,58px);font-weight:800;margin:8px 0 10px}
.page-head p{color:#c9cdd1;max-width:62ch}
.crumbs{font-size:14px;color:#9aa1a7}
.crumbs a{text-decoration:none}.crumbs a:hover{color:var(--amber)}
.crumbs span[aria-current]{color:var(--white)}

/* Faixa de números */
.facts{background:var(--amber)}
.facts .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.facts div{padding:22px 18px;border-right:1px solid rgba(0,0,0,.15)}
.facts div:last-child{border:0}
.facts strong{font-family:var(--display);font-size:34px;display:block;line-height:1}
.facts span{font-size:15px}

/* Faixa de marcas */
.brand-strip{padding:34px 0;background:var(--white);border-bottom:1px solid var(--line)}
.brand-strip .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.brand-strip a{display:block}
.brand-strip img{height:56px;width:auto;filter:grayscale(1);opacity:.75;transition:filter .2s,opacity .2s}
.brand-strip a:hover img{filter:none;opacity:1}

/* Buscador */
.finder{background:var(--white);border:2px solid var(--graphite);border-radius:var(--radius);padding:28px;display:grid;grid-template-columns:1fr 1fr .7fr 1fr auto;gap:14px;align-items:end}
label{font-size:14px;font-weight:600;display:block;margin-bottom:4px}
select,input,textarea{width:100%;font:inherit;font-size:16px;border:1.5px solid #b9bcbf;border-radius:var(--radius);padding:10px 12px;background:var(--white);color:var(--ink)}
textarea{min-height:110px;resize:vertical}
.finder .btn{height:48px}
.preview{font-size:14px;color:var(--steel);margin-top:12px}

/* Produtos */
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:26px}
.filters button{font:inherit;font-weight:600;font-size:15px;padding:7px 16px;border-radius:999px;border:1.5px solid var(--line);background:var(--paper);cursor:pointer}
.filters button[aria-pressed="true"]{background:var(--graphite);color:var(--white);border-color:var(--graphite)}
.products{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.prod{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--white);display:flex;flex-direction:column}
.prod img{aspect-ratio:4/3;object-fit:cover;width:100%;background:var(--paper)}
.prod .body{padding:16px;display:flex;flex-direction:column;gap:4px;flex:1}
.prod h3 a{text-decoration:none}.prod h3 a:hover{color:var(--amber-dark)}
.prod small{color:var(--steel);font-size:14px}
.prod .btn{margin-top:12px;font-size:16px;padding:9px 14px}
.prod[hidden]{display:none}
.callout{margin-top:28px;padding:20px 24px;border-left:5px solid var(--amber);background:var(--paper);display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.bg-white .callout{background:var(--paper)}
section:not(.bg-white) .callout{background:var(--white)}

/* Marcas (página) */
.brand-block{display:grid;grid-template-columns:200px 1fr;gap:32px;padding:36px 0;border-top:1px solid var(--line)}
.brand-block:first-child{border-top:0;padding-top:0}
.brand-block .logo-box{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:18px;display:flex;align-items:center;justify-content:center;height:140px}
.brand-block .logo-box img{max-height:90px;width:auto}
.brand-block .products{grid-template-columns:repeat(3,1fr)}

/* Comparativo */
.cmp{display:grid;grid-template-columns:1fr 1fr;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}
.cmp>div{padding:30px}
.cmp .new{background:var(--white)}
.cmp .rem{background:var(--graphite);color:var(--white)}
.cmp ul{list-style:none;margin-top:14px}
.cmp li{padding:12px 0;border-top:1px solid rgba(128,128,128,.25);display:grid;grid-template-columns:26px 1fr;gap:6px}
.cmp li b{display:block}
.cmp .rem li span{color:#c9cdd1}
.cmp .new li span{color:var(--steel)}
.mark{font-weight:800}
.rem .mark{color:var(--amber)}

/* Duas colunas genéricas */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split img{border-radius:var(--radius);width:100%;aspect-ratio:4/3;object-fit:cover}
.prose p+p{margin-top:12px}
.prose h2{margin-top:8px}
.prose h3{margin:24px 0 6px}
.prose ul{margin:8px 0 0 20px}
.prose li{margin:4px 0}
.steps{list-style:none;counter-reset:s;margin-top:22px;display:grid;gap:14px}
.steps li{counter-increment:s;display:grid;grid-template-columns:40px 1fr;gap:12px;align-items:start}
.steps li::before{content:counter(s);font-family:var(--display);font-weight:800;font-size:22px;width:40px;height:40px;border-radius:50%;background:var(--amber);display:flex;align-items:center;justify-content:center}
.steps span{color:var(--steel)}
.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.card h3{margin-bottom:6px}
.card p{color:var(--steel)}

/* Página de produto */
.product-hero{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.product-hero img{border-radius:var(--radius);border:1px solid var(--line);background:var(--white);width:100%;aspect-ratio:4/3;object-fit:cover}
.spec{width:100%;border-collapse:collapse;margin:20px 0 26px;font-size:16px}
.spec th,.spec td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line)}
.spec th{width:40%;color:var(--steel);font-weight:600}
.product-hero .btn+.btn{margin-left:8px}
.signs{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:16px}
.signs div{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px}
.signs b{display:block;font-family:var(--display);font-size:19px}
.signs span{color:var(--steel);font-size:15px}

/* Depoimentos */
.reviews{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.rev{border:1px solid var(--line);border-radius:var(--radius);padding:20px;background:var(--paper);display:flex;flex-direction:column;gap:12px}
section:not(.bg-white) .rev{background:var(--white)}
.stars{color:var(--amber);letter-spacing:2px}
.who{display:flex;align-items:center;gap:10px;margin-top:auto;font-weight:600}
.av{width:38px;height:38px;border-radius:50%;background:var(--graphite);color:var(--amber);display:flex;align-items:center;justify-content:center;font-family:var(--display);font-weight:700}

/* FAQ */
.faq{max-width:860px}
.faq details{border-bottom:1px solid var(--line);padding:18px 0}
.faq summary{font-weight:600;font-size:18px;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--display);font-size:26px;line-height:1;color:var(--amber-dark)}
.faq details[open] summary::after{content:"–"}
.faq p{margin-top:10px;color:var(--steel)}

/* Faixa CTA */
.cta-band{background:var(--graphite);color:var(--white);padding:48px 0}
.cta-band .wrap{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.cta-band h2{margin:0}
.cta-band p{color:#c9cdd1}

/* Contato */
.contact{display:grid;grid-template-columns:1fr 1.1fr;gap:40px}
.info{display:grid;gap:14px;align-content:start}
.info div{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px}
.info b{display:block;font-family:var(--display);font-size:20px}
.notice{border-color:var(--amber)!important;background:#fff8e6!important}
.notice ul{list-style:none;margin-top:6px}
.notice li{padding:3px 0}
.form{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:28px;display:grid;gap:14px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form .row3{display:grid;grid-template-columns:1fr 1fr .7fr;gap:14px}
.check{display:flex;gap:10px;align-items:flex-start;font-size:14px;font-weight:400}
.check input{width:auto;margin-top:4px}
.hint{font-size:14px;color:#b42318;min-height:1em}
.map{margin-top:40px;border-radius:var(--radius);overflow:hidden}
.map iframe{width:100%;height:360px;border:0;display:block}

/* Footer */
.site-footer{background:#14181c;color:#9aa1a7;font-size:15px;padding:48px 0 24px}
.site-footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.site-footer h4{font-family:var(--display);color:var(--white);font-size:20px;margin-bottom:8px}
.site-footer ul{list-style:none}
.site-footer li{padding:2px 0}
.site-footer a{text-decoration:none}.site-footer a:hover{color:var(--amber)}
.site-footer .copy{border-top:1px solid #2a3036;margin-top:32px;padding-top:16px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px}
.foot-logo{background:var(--white);display:inline-block;padding:8px 12px;border-radius:var(--radius);margin-bottom:12px}
.foot-logo img{height:38px;width:auto}

.wa-float{position:fixed;right:20px;bottom:20px;z-index:40;width:60px;height:60px;border-radius:50%;background:#25d366;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 18px rgba(0,0,0,.25)}
.wa-float svg{width:32px;height:32px}

/* Responsivo */
@media (max-width:1020px){
  .products,.reviews{grid-template-columns:repeat(2,1fr)}
  .brand-block .products{grid-template-columns:repeat(2,1fr)}
  .finder{grid-template-columns:1fr 1fr}
  .finder .btn{grid-column:1/-1}
  .site-footer .cols{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .nav{display:none;position:absolute;top:72px;left:0;right:0;background:var(--white);border-bottom:1px solid var(--line);max-height:calc(100vh - 72px);overflow:auto}
  .nav.open{display:block}
  .nav ul{flex-direction:column;gap:0;padding:8px 24px 16px}
  .nav li>a{display:block;padding:12px 0;border-bottom:1px solid var(--line)}
  .sub{position:static;display:grid;min-width:0;box-shadow:none;border:0;padding:8px 0 12px 12px;grid-template-columns:1fr 1fr}
  .menu-btn{display:block}
  .site-header .btn{display:none}
  .hero .wrap,.cmp,.split,.contact,.product-hero,.cards3,.brand-block{grid-template-columns:1fr}
  .hero .wrap{min-height:auto}
  .facts .wrap{grid-template-columns:1fr 1fr}
  .facts div:nth-child(2){border-right:0}
  section{padding:56px 0}
  .form .row,.form .row3,.signs{grid-template-columns:1fr}
  .brand-block .logo-box{height:110px;max-width:220px}
}
@media (max-width:520px){
  .products,.reviews,.finder,.brand-block .products,.site-footer .cols{grid-template-columns:1fr}
  .product-hero .btn+.btn{margin:8px 0 0}
}