/* ---------- estrutura ---------- */
.container{width:100%;max-width:calc(var(--largura) + var(--margem) * 2);margin:0 auto;padding:0 var(--margem)}
main,section,footer{position:relative}
section{min-height:100svh;display:flex;align-items:center;padding:var(--respiro) 0}
.escura{background-color:var(--grafite-2);background-image:var(--nervura);color:var(--branco)}
.clara{background-color:var(--concreto);background-image:var(--nervura-clara)}
.clara-2{background-color:var(--branco)}

.titulo{font-family:var(--titulo);font-stretch:var(--estreita);font-weight:700;font-size:clamp(34px,3.7vw,56px);line-height:1;letter-spacing:-.005em;text-wrap:balance}
.apoio{font-size:17px;line-height:1.6;color:var(--apoio);max-width:62ch}
.escura .apoio{color:var(--apoio-escuro)}

/* ---------- botão de orçamento (a única cor de ação) ---------- */
.botao{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:56px;padding:0 30px;border-radius:var(--pilula);background:var(--acao);color:var(--branco);font-weight:600;font-size:16.5px;line-height:1.2;text-decoration:none;text-align:center;transition:background-color .2s ease,transform .2s ease}
.botao:hover{background:var(--acao-hover);transform:translateY(-1px)}
.botao .icone{width:20px;height:20px}
button.botao{border:0;cursor:pointer;font-family:var(--corpo)}
button.botao:disabled{opacity:.7;cursor:progress}

/* ---------- trilho: o vergalhão que acompanha a leitura e dobra entre as seções ---------- */
.trilho{position:absolute;top:0;left:0;width:100%;height:0;z-index:15;pointer-events:none;overflow:visible}
.trilho-linha,.trilho-nervura,.trilho-mascara{fill:none;stroke-linecap:round;stroke-linejoin:round}
.trilho-linha{stroke:var(--aco);stroke-width:5}
.trilho-nervura{stroke:var(--grafite);stroke-opacity:.38;stroke-width:5;stroke-dasharray:1.4 4.6;stroke-linecap:butt}
.trilho-mascara{stroke:#fff;stroke-width:12}
@media (max-width:1279px){.trilho{display:none}}

.gtm-ns{display:none;visibility:hidden}

/* ---------- S01 banner ---------- */
.hero{padding:0;align-items:stretch;flex-direction:column;overflow:hidden;background-color:var(--grafite)}
.hero-foto{position:absolute;inset:0}
.hero-foto img,.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:60% 55%}
@media (prefers-reduced-motion:reduce){.hero-video{display:none}}
.hero-foto::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(23,25,27,.97) 0,rgba(23,25,27,.93) 34%,rgba(23,25,27,.55) 52%,rgba(23,25,27,0) 66%),linear-gradient(0deg,rgba(23,25,27,.6) 0,rgba(23,25,27,0) 28%)}
/* construtor em primeiro plano, no lado oposto da headline, apoiado na faixa de Parcerias */
.hero-conteudo{position:relative;z-index:2;flex:1;display:flex;flex-direction:column;padding-top:40px;padding-bottom:48px}
.hero-logo{width:178px;height:auto}
.hero-texto{margin:auto 0;max-width:560px;display:flex;flex-direction:column;align-items:flex-start;gap:26px}
.hero h1{font-family:var(--titulo);font-stretch:var(--estreita);font-weight:750;font-size:clamp(46px,5.3vw,82px);line-height:.96;letter-spacing:-.01em;text-wrap:balance}
.hero-sub{font-size:18.5px;line-height:1.55;color:var(--aco-claro);max-width:46ch}

.parcerias{position:relative;z-index:2;background-color:var(--grafite);background-image:var(--nervura);border-top:1px solid rgba(255,255,255,.08)}
.parcerias-faixa{display:flex;align-items:center;gap:56px;padding-top:38px;padding-bottom:38px}
.parcerias h2{flex:none;font-family:var(--titulo);font-stretch:var(--estreita);font-weight:650;font-size:22px;line-height:1.1;color:var(--branco);white-space:nowrap}

/* carrossel contínuo de logos: a lista sai duplicada no HTML e o rolo anda metade da largura */
.parcerias-trilha{flex:1;min-width:0;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 8%,#000 92%,transparent 100%);mask-image:linear-gradient(90deg,transparent 0,#000 8%,#000 92%,transparent 100%)}
.parcerias-rolo{display:flex;width:max-content;animation:rolar 34s linear infinite}
.parcerias-trilha:hover .parcerias-rolo{animation-play-state:paused}
.parcerias-logos{list-style:none;margin:0;padding:0 72px 0 0;display:flex;align-items:center;gap:72px;flex:none}
.parcerias-logos img{height:34px;width:auto;opacity:.85}
.parcerias-logos .logo-avb img,.parcerias-logos .logo-arcelormittal img{height:50px}
@keyframes rolar{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){.parcerias-rolo{animation:none}}

/* ---------- S03 dores ---------- */
.dores-grade{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:56px;align-items:center}
.dores-texto{display:flex;flex-direction:column;align-items:flex-start;gap:24px}
.dores-cards{list-style:none;margin:4px 0 0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;width:100%}
.dor{background:var(--branco);border-radius:var(--raio);padding:20px 22px 22px}
.dor h3{font-family:var(--titulo);font-stretch:var(--estreita);font-weight:700;font-size:21px;line-height:1.1;margin-bottom:8px}
.dor p{font-size:14.5px;line-height:1.5;color:var(--apoio)}
.dor-destaque{background:var(--grafite);color:var(--branco)}
.dor-destaque p{color:var(--apoio-escuro)}
.escura .dor{background:var(--grafite-3)}
.escura .dor p{color:var(--apoio-escuro)}
.escura .dor-destaque{background:var(--branco);color:var(--texto)}
.escura .dor-destaque p{color:var(--apoio)}
.escura .dores-virada{color:var(--branco)}
.dores-virada{font-family:var(--titulo);font-stretch:var(--estreita);font-weight:700;font-size:clamp(22px,2vw,27px);line-height:1.15;color:var(--texto);max-width:30ch}
.dores-fotos{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-template-rows:repeat(3,minmax(0,1fr));gap:14px;height:min(640px,74svh)}
.dores-fotos img{width:100%;height:100%;object-fit:cover;border-radius:var(--raio)}
.dores-fotos img:nth-child(1){grid-column:1;grid-row:1 / span 2}
.dores-fotos img:nth-child(2){grid-column:2;grid-row:1}
.dores-fotos img:nth-child(3){grid-column:1;grid-row:3}
.dores-fotos img:nth-child(4){grid-column:2;grid-row:2 / span 2}

/* ---------- S04 produtos ---------- */
.produtos .container{display:flex;flex-direction:column;align-items:flex-start;gap:36px}
.produtos-topo{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:end;width:100%}
.produtos-lista{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;width:100%}
.produto{display:flex;flex-direction:column;gap:10px}
.produto img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:var(--raio);margin-bottom:6px}
.produto h3{font-family:var(--titulo);font-stretch:var(--estreita);font-weight:700;font-size:22px;line-height:1.1}
.produto p{font-size:14.5px;line-height:1.5;color:var(--apoio)}
.escura .produto p{color:var(--apoio-escuro)}

/* ---------- S05 sobre ---------- */
.sobre-grade{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:64px;align-items:center}
.sobre-texto{display:flex;flex-direction:column;align-items:flex-start;gap:26px}
.sobre-fotos{position:relative;aspect-ratio:5/4;border-radius:var(--raio-l);overflow:hidden;background:var(--grafite);box-shadow:var(--sombra)}
.sobre-fotos img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity 1.4s ease,transform 1.2s cubic-bezier(.22,.61,.36,1);transform-origin:50% 58%;will-change:transform}
.sobre-fotos img.ativa{opacity:1}

/* ---------- S06 FAQ ---------- */
.faq-grade{display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);gap:64px;align-items:start}
.faq-lista{display:flex;flex-direction:column;gap:12px}
.faq details{border:1px solid #D9D6D0;border-radius:30px;background:var(--branco);transition:border-color .2s ease,background-color .2s ease}
.faq details[open]{border-color:var(--grafite);border-radius:24px}
.faq summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 24px;font-weight:500;font-size:16.5px;line-height:1.4}
.faq summary::-webkit-details-marker{display:none}
.faq summary .icone{transition:transform .25s ease}
.faq details[open] summary .icone{transform:rotate(45deg)}
.faq details p{padding:0 24px 22px;color:var(--apoio);font-size:15.5px;line-height:1.6}
.faq-lista .botao{align-self:flex-start;margin-top:6px}
.faq-fim{margin-top:14px;color:var(--apoio);font-size:15.5px;line-height:1.6;max-width:60ch}

/* ---------- pop-up de orçamento em etapas ---------- */
.orcamento{width:min(580px,calc(100% - 32px));max-width:none;max-height:calc(100svh - 32px);padding:0;border:0;border-radius:var(--raio-l);background:var(--branco);color:var(--texto);box-shadow:0 40px 80px -30px rgba(10,12,14,.6);overflow:hidden}
.orcamento::backdrop{background:rgba(23,25,27,.74)}
.orc-form{display:flex;flex-direction:column;height:min(640px,calc(100svh - 32px))}
.orc-topo{display:flex;align-items:center;gap:16px;padding:18px 18px 0 28px}
.orc-progresso{flex:1;height:6px;border-radius:var(--pilula);background:#E6E3DE;overflow:hidden}
.orc-barra{display:block;height:100%;width:12%;border-radius:var(--pilula);background:var(--grafite);transition:width .35s ease}
.orc-fechar{flex:none;width:44px;height:44px;border:0;border-radius:50%;background:transparent;color:var(--texto);display:flex;align-items:center;justify-content:center;cursor:pointer}
.orc-fechar:hover{background:var(--concreto)}
.orc-corpo{flex:1;min-height:0;overflow-y:auto;padding:22px 28px 8px}
.orc-etapa{display:none;margin:0;padding:0;border:0;min-width:0}
.orc-etapa.ativa{display:block}
.orc-titulo,.orc-pergunta{font-family:var(--titulo);font-stretch:var(--estreita);font-weight:700;font-size:clamp(26px,3.2vw,32px);line-height:1.05;letter-spacing:-.005em;padding:0;margin:0 0 14px}
.orc-texto{color:var(--apoio);font-size:15.5px;line-height:1.6;margin-bottom:22px}
.campo{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}
.campo span{font-weight:500;font-size:14.5px}
.campo input{height:54px;padding:0 16px;border:1px solid #CFCBC4;border-radius:14px;background:var(--branco);color:var(--texto);font:inherit;font-size:16px;transition:border-color .2s ease}
.campo input:focus{outline:none;border-color:var(--grafite);box-shadow:0 0 0 3px rgba(23,25,27,.12)}
.campo input[aria-invalid="true"]{border-color:#B3261E}
.orc-opcoes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:6px}
.opcao{position:relative;display:block}
.opcao-nenhum{grid-column:1 / -1}
.opcao-nenhum span{border-style:dashed}
.opcao input{position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:pointer}
.opcao span{display:flex;align-items:center;min-height:56px;padding:12px 16px;border:1px solid #CFCBC4;border-radius:14px;font-size:15px;line-height:1.3;transition:background-color .15s ease,border-color .15s ease,color .15s ease}
.opcao:hover span{border-color:var(--grafite)}
.opcao input:checked + span{background:var(--grafite);border-color:var(--grafite);color:var(--branco)}
.opcao input:focus-visible + span{box-shadow:var(--foco)}
.orc-erro{min-height:22px;margin-top:8px;color:#B3261E;font-size:14px;font-weight:500}
.orc-acoes{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 28px 24px;border-top:1px solid #ECE9E4}
.orc-acoes[hidden]{display:none}
.orc-voltar{border:0;background:none;padding:12px 4px;color:var(--apoio);font:inherit;font-weight:500;cursor:pointer}
.orc-voltar[hidden]{visibility:hidden;display:block}
.orc-avancar{margin-left:auto}
.orc-final,.orc-falha{text-align:center;padding-top:36px}
.orc-final.ativa,.orc-falha.ativa{display:flex;flex-direction:column;align-items:center}
.orc-final:focus,.orc-falha:focus{outline:none}
.orc-ok{display:flex;align-items:center;justify-content:center;width:64px;height:64px;border-radius:50%;background:var(--grafite);color:var(--branco);margin-bottom:22px}
.orc-ok .icone{width:30px;height:30px}
.orc-final .orc-texto,.orc-falha .orc-texto{max-width:38ch}

/* ---------- S07 rodapé ---------- */
.rodape{padding:72px 0 56px}
.rodape-grade{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr) auto;gap:48px;align-items:start}
.rodape h2{font-family:var(--titulo);font-stretch:var(--estreita);font-weight:700;font-size:24px;line-height:1.1;margin-bottom:20px}
.rodape-dados{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px;color:var(--apoio-escuro);font-size:15.5px}
.rodape-dados li{display:flex;gap:12px;align-items:flex-start}
.rodape-dados .icone{color:var(--aco);margin-top:2px}
.rodape-dados a{color:var(--branco);text-decoration:none;white-space:nowrap}
.rodape-dados a:hover{text-decoration:underline}
.fones{display:flex;flex-wrap:wrap;gap:4px 18px}
.redes{list-style:none;margin:0;padding:0;display:flex;gap:12px}
.redes a{display:flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:50%;border:1px solid var(--grafite-3);background:var(--grafite);color:var(--branco);transition:border-color .2s ease}
.redes a:hover{border-color:var(--aco)}
.rodape-marcas{display:flex;flex-direction:column;align-items:flex-end;gap:28px}
.rodape-marcas > img{width:150px}
.triade img{width:104px;opacity:.75;transition:opacity .2s ease}
.triade:hover img{opacity:1}

/* ---------- notebook baixo: compacta o conteúdo, nunca a dobra ---------- */
@media (min-width:861px) and (max-height:820px){
  :root{--respiro:40px}
  .titulo{font-size:clamp(32px,3.2vw,46px)}
  .apoio{font-size:16px}
  .dores-texto{gap:18px}
  .dor{padding:14px 16px 16px}
  .dores-cards{gap:10px}
  .dor h3{font-size:19px}
  .dores-virada{font-size:21px}
  .dor p{font-size:14px}
  .produtos .container{gap:28px}
  .produto img{aspect-ratio:4/3}
}

/* ---------- tablet ---------- */
@media (max-width:860px){
  .produtos-lista{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:860px){
  :root{--margem:24px}
  .container{max-width:calc(720px + var(--margem) * 2)}
  section{min-height:0}
  .hero{min-height:100svh}
  .hero-foto img,.hero-video{object-position:50% 50%}
  .hero-foto::after{background:linear-gradient(180deg,rgba(23,25,27,.85) 0,rgba(23,25,27,.25) 20%,rgba(23,25,27,.45) 42%,rgba(23,25,27,.92) 68%,rgba(23,25,27,.97) 100%)}
  .hero-logo{position:absolute;top:16px;left:var(--margem);z-index:3;width:150px}
  .hero-conteudo{position:static;flex:1;justify-content:flex-end;padding-top:24px;padding-bottom:32px}
  .hero-texto{margin:0;gap:18px;max-width:none}
  .parcerias-faixa{flex-direction:column;align-items:flex-start;gap:16px;padding-top:22px;padding-bottom:24px}
  .parcerias h2{max-width:none;font-size:19px}
  .parcerias-trilha{width:100%}
  .dores-grade,.sobre-grade,.faq-grade,.produtos-topo{grid-template-columns:minmax(0,1fr);gap:36px}
  .dores-fotos{height:auto;grid-template-rows:none;grid-template-columns:repeat(2,minmax(0,1fr))}
  .dores-fotos img,.dores-fotos img:nth-child(n){grid-column:auto;grid-row:auto;aspect-ratio:4/3}
  .dores-fotos img:nth-child(n+3){display:none}
  .rodape-grade{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .rodape-marcas{grid-column:1 / -1;flex-direction:row;justify-content:space-between;align-items:center}
}

/* ---------- celular ---------- */
@media (max-width:599px){
  :root{--margem:16px;--respiro:56px}
  .container{max-width:calc(448px + var(--margem) * 2)}
  .titulo{font-size:clamp(30px,8.4vw,38px)}
  .apoio{font-size:16px}
  .botao{width:100%}

  .hero-logo{width:132px}
  .parcerias-logos{gap:44px;padding-right:44px}
  .parcerias-logos img{height:28px}
  .parcerias-logos .logo-avb img,.parcerias-logos .logo-arcelormittal img{height:40px}
  .hero h1{font-size:clamp(32px,9vw,40px)}
  .hero-sub{font-size:16px}


  .dores-cards{grid-template-columns:minmax(0,1fr);gap:10px}
  .dor h3{font-size:20px}
  .dores-fotos{display:none}

  .produtos .container{gap:28px}
  .produtos-lista{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:14px;margin:0 calc(var(--margem) * -1);padding:0 var(--margem) 6px;width:calc(100% + var(--margem) * 2);scroll-padding-inline:var(--margem);scrollbar-width:none}
  .produtos-lista::-webkit-scrollbar{display:none}
  .produto{flex:0 0 76%;scroll-snap-align:start}

  .sobre-grade{gap:28px}
  .sobre-fotos{order:-1;border-radius:var(--raio)}

  .faq summary{padding:16px 20px;font-size:16px}
  .faq details p{padding:0 20px 18px}

  .orcamento{width:100%;max-height:100svh;height:100svh;border-radius:0;margin:0}
  .orc-form{height:100svh}
  .orc-topo{padding:14px 10px 0 18px}
  .orc-corpo{padding:20px 18px 8px}
  .orc-acoes{padding:14px 18px calc(18px + env(safe-area-inset-bottom))}
  .orc-avancar{width:auto}
  .rodape{padding:56px 0 40px}
  .rodape-grade{grid-template-columns:minmax(0,1fr);gap:36px}
  .rodape-marcas{grid-column:auto}
}