/* Prospecta Engenharia · site institucional
   Mantém a identidade do site atual (grafite, preto, âmbar, Poppins). Conceito: a prancha técnica. Faixas grafite, cotas finas separando as seções e o rodapé desenhado
   como o carimbo (legenda) de uma folha de projeto. Cobre e ouro da marca só nos destaques. */
:root{
  /* cores do site atual (kit Elementor): âmbar #E89E00, grafite #25292E, preto, cinza #333 */
  --azul:#25292e; --azul-2:#33383e; --cobre:#c98400; --ouro:#e89e00; --ouro-claro:#ffb517;
  --concreto:#f1efec; --papel:#fafaf9; --linha:#e2ded8; --tinta:#1d2024; --cinza:#5c6167; --branco:#ffffff;
  --f:"Poppins",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  --larg:1160px; --raio:6px;
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;background:var(--papel);color:var(--tinta);font:16px/1.6 var(--f)}
img{max-width:100%;height:auto;display:block}
a{color:var(--cobre)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--ouro);outline-offset:2px}
h1,h2,h3{margin:0;line-height:1.2;text-wrap:balance}
p{margin:0}
.envelope{max-width:var(--larg);margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
.pular{position:absolute;left:-999px;top:0;background:var(--ouro);color:var(--azul);padding:8px 12px;z-index:100}
.pular:focus{left:8px}
.rotulo{font:500 .74rem/1.3 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--cobre)}
.rotulo.claro{color:var(--ouro-claro)}

/* cabeçalho */
.topo{position:sticky;top:0;z-index:50;background:var(--branco);border-bottom:1px solid var(--linha)}
.topo .envelope{display:flex;align-items:center;gap:20px;min-height:76px}
.marca img{height:54px;width:auto}
.marca-proeng{display:flex;align-items:center;padding-left:18px;border-left:1px solid var(--linha);align-self:stretch}
.marca-proeng img{height:30px;width:auto}
.menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.menu a{text-decoration:none;color:var(--azul);font-weight:600;font-size:.92rem;padding:8px 12px;border-radius:var(--raio)}
.menu a:hover,.menu a[aria-current="page"]{background:var(--concreto)}
.menu a[aria-current="page"]{box-shadow:inset 0 -2px 0 var(--ouro)}
.botao{display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;font:700 .9rem/1 var(--f);
  letter-spacing:.02em;padding:14px 20px;border-radius:var(--raio);border:2px solid transparent;cursor:pointer;transition:background .15s,color .15s}
.botao.ouro{background:var(--ouro);color:var(--azul)}
.botao.ouro:hover{background:var(--ouro-claro)}
.botao.contorno{border-color:currentColor;color:var(--azul);background:transparent}
.botao.contorno:hover{background:var(--azul);color:var(--branco);border-color:var(--azul)}
.botao.claro{border-color:var(--branco);color:var(--branco)}
.botao.claro:hover{background:var(--branco);color:var(--azul)}
.menu .botao{padding:10px 14px;font-size:.84rem}
.menu .botao.ouro{color:var(--azul)}
.menu-celular{display:none;margin-left:auto}
.menu-celular summary{list-style:none;cursor:pointer;padding:10px;border:1px solid var(--linha);border-radius:var(--raio);font:600 .9rem var(--f);color:var(--azul)}
.menu-celular summary::-webkit-details-marker{display:none}
.menu-celular nav{position:absolute;left:0;right:0;top:100%;background:var(--branco);border-bottom:1px solid var(--linha);
  display:flex;flex-direction:column;padding:8px max(20px,env(safe-area-inset-left,0px)) 16px;gap:2px;box-shadow:0 12px 24px rgba(0,0,0,.12)}
.menu-celular nav a{text-decoration:none;color:var(--azul);font-weight:600;padding:12px 4px;border-bottom:1px solid var(--concreto)}
.menu-celular nav .botao{margin-top:10px;border-bottom:0}
@media (max-width:980px){.menu{display:none}.menu-celular{display:block}.marca img{height:46px}.marca-proeng{padding-left:12px}.marca-proeng img{height:22px}}
@media (max-width:400px){.topo .envelope{gap:12px}.marca img{height:40px}.marca-proeng img{height:18px}}

/* faixa de abertura */
.abertura{position:relative;background:var(--azul) url("img/obras/caminhao-munck-cobertura.webp") 62% 55%/cover no-repeat;color:var(--branco)}
.abertura::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.86) 0%,rgba(20,22,25,.70) 50%,rgba(0,0,0,.35) 100%)}
.abertura .envelope{position:relative;padding-block:96px 88px;display:flex;flex-direction:column;gap:22px;max-width:var(--larg)}
.abertura h1{font-size:clamp(2.2rem,6vw,4.1rem);font-weight:800;letter-spacing:-.01em;max-width:13ch}
.abertura .sub{font-size:clamp(1.05rem,2.2vw,1.35rem);font-weight:500;max-width:34ch;color:#e9eef2}
.abertura .acoes{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px}
.abertura.curta .envelope{padding-block:64px 56px}
.abertura.curta h1{font-size:clamp(1.8rem,4.5vw,2.8rem);max-width:none}
.abertura.curta .sub{max-width:52ch}
@media (max-width:640px){.abertura{background-position:78% 60%}}

/* cota: linha de dimensão usada como divisor */
.cota{display:flex;align-items:center;gap:12px;color:var(--cobre);font:500 .74rem var(--mono);letter-spacing:.1em;text-transform:uppercase}
.cota::before,.cota::after{content:"";flex:1;height:1px;background:currentColor;opacity:.45}
.cota span{display:inline-flex;align-items:center;gap:10px}
.cota span::before,.cota span::after{content:"";width:9px;height:9px;border-left:1px solid currentColor;transform:skewX(-40deg)}

/* seções */
.secao{padding-block:80px}
.secao.concreto{background:var(--concreto)}
.secao.azul{background:var(--azul);color:var(--branco)}
.cabeca{display:flex;flex-direction:column;gap:12px;max-width:62ch;margin-bottom:40px}
.cabeca h2{font-size:clamp(1.5rem,3.2vw,2.15rem);font-weight:800;color:var(--azul)}
.secao.azul .cabeca h2{color:var(--branco)}
.cabeca p{color:var(--cinza);font-size:1.05rem}
.dupla{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.dupla > *{min-width:0}
.dupla .texto{display:flex;flex-direction:column;gap:18px}
.dupla .texto p{font-size:1.08rem;color:#2b3a45;max-width:60ch}
.foto-moldura{position:relative;border-radius:var(--raio);overflow:hidden;box-shadow:0 18px 40px rgba(0,0,0,.18)}
.foto-moldura img{width:100%;aspect-ratio:4/3;object-fit:cover}
.foto-moldura figcaption{position:absolute;left:0;bottom:0;background:var(--azul);color:var(--branco);font:500 .72rem var(--mono);letter-spacing:.1em;text-transform:uppercase;padding:8px 12px}
@media (max-width:860px){.dupla{grid-template-columns:1fr;gap:32px}.secao{padding-block:56px}}

/* diferenciais */
.diferenciais{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--linha);border:1px solid var(--linha);border-radius:var(--raio);overflow:hidden}
.diferenciais li{list-style:none;background:var(--branco);padding:26px 24px;display:flex;gap:14px;align-items:flex-start;font-weight:700;color:var(--azul);font-size:.98rem;letter-spacing:.02em}
.diferenciais svg{flex:none;width:22px;height:22px;color:var(--ouro)}
.diferenciais{margin:0;padding:0}
@media (max-width:860px){.diferenciais{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.diferenciais{grid-template-columns:1fr}}

/* números */
.numeros{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.numero{display:flex;flex-direction:column;gap:6px;padding:8px 0 8px 22px;border-left:2px solid var(--ouro)}
.numero b{font:800 clamp(2.4rem,5vw,3.4rem)/1 var(--f);color:var(--branco);font-variant-numeric:tabular-nums}
.numero span{font:500 .8rem var(--mono);letter-spacing:.1em;text-transform:uppercase;color:#c9d4dc}
@media (max-width:700px){.numeros{grid-template-columns:1fr}}

/* serviços */
.servicos{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.servico{background:var(--branco);border:1px solid var(--linha);border-radius:var(--raio);display:flex;flex-direction:column;overflow:hidden}
.servico > *{min-width:0}
.servico .imagem{aspect-ratio:16/10;background:var(--azul-2);display:grid;place-items:center;color:var(--ouro);overflow:hidden}
.servico .imagem img{width:100%;height:100%;aspect-ratio:16/10;object-fit:cover;object-position:center 40%}
.servico .imagem svg{width:72px;height:72px}
.servico.sem-foto{border-top:4px solid var(--ouro)}
.servico.sem-foto .corpo{padding:26px 24px 28px}
.servico .corpo{padding:20px 22px 24px;display:flex;flex-direction:column;gap:8px}
.servico h3{font-size:1.05rem;font-weight:800;color:var(--azul);letter-spacing:.03em}
.servico p{color:var(--cinza);font-size:.97rem}
@media (max-width:900px){.servicos{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.servicos{grid-template-columns:1fr}}

/* clientes */
.logos{display:flex;flex-wrap:wrap;justify-content:center;gap:16px;margin:0;padding:0}
.logos li{flex:0 1 168px;list-style:none;background:var(--branco);border:1px solid var(--linha);border-radius:var(--raio);display:grid;place-items:center;padding:14px;aspect-ratio:16/10}
.logos img{max-height:72px;width:auto;filter:grayscale(1);opacity:.85;transition:filter .2s,opacity .2s}
.logos li:hover img{filter:none;opacity:1}
@media (max-width:520px){.logos{gap:10px}.logos li{flex-basis:calc(50% - 5px)}}

/* obras */

/* chamada final */
.chamada{background:var(--cobre);color:var(--branco)}
.chamada .envelope{padding-block:44px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px}
.chamada h2{font-size:clamp(1.3rem,3vw,1.8rem);font-weight:800}

/* contato */
.contato{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start}
.contato > *{min-width:0}
.dados{display:flex;flex-direction:column;gap:26px}
.dados h3{font:500 .74rem var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--cobre);margin-bottom:6px}
.dados p{font-size:1.02rem;color:var(--tinta)}
.dados a{color:var(--azul);font-weight:600;text-decoration-color:var(--ouro);text-underline-offset:3px}
.formulario{background:var(--branco);border:1px solid var(--linha);border-radius:var(--raio);padding:28px;display:flex;flex-direction:column;gap:16px}
.formulario h2{font-size:1.4rem;font-weight:800;color:var(--azul)}
.campos{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.campo{display:flex;flex-direction:column;gap:6px;font-weight:600;font-size:.9rem;color:var(--azul)}
.campo.inteiro{grid-column:1/-1}
.campo input,.campo textarea{font:400 1rem var(--f);color:var(--tinta);background:var(--papel);border:1px solid var(--linha);border-radius:var(--raio);padding:12px 14px;width:100%}
.campo textarea{min-height:130px;resize:vertical}
.armadilha{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.retorno{font-size:.95rem;padding:12px 14px;border-radius:var(--raio)}
.retorno.ok{background:#e4f2e8;color:#1f5c36}
.retorno.erro{background:#f9e3df;color:#8a2a1d}
@media (max-width:860px){.contato{grid-template-columns:1fr}}
@media (max-width:520px){.campos{grid-template-columns:1fr}.formulario{padding:20px}}

/* rodapé: carimbo da folha */
.rodape{background:#000;color:#dbe4ea;padding-block:56px 28px}
.carimbo{display:grid;grid-template-columns:1.3fr 1fr 1fr;border:1px solid rgba(255,255,255,.28)}
.carimbo > div{padding:22px 24px;border-right:1px solid rgba(255,255,255,.28);display:flex;flex-direction:column;gap:10px;min-width:0}
.carimbo > div:last-child{border-right:0}
.carimbo h2{font:500 .74rem var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--ouro-claro)}
.carimbo p{font-size:.95rem;line-height:1.65}
.carimbo a{color:var(--branco)}
.carimbo .marca-rodape{display:flex;align-items:center;gap:12px;margin-bottom:6px}
.carimbo .marca-rodape img{width:44px;height:44px}
.carimbo .marca-rodape b{font:800 1.05rem var(--f);color:var(--branco);letter-spacing:.06em}
.linha-final{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;margin-top:20px;font:400 .78rem var(--mono);letter-spacing:.06em;color:#9fb1bd}
.linha-final a{color:#cdd8df}
@media (max-width:860px){.carimbo{grid-template-columns:1fr}.carimbo > div{border-right:0;border-bottom:1px solid rgba(255,255,255,.28)}.carimbo > div:last-child{border-bottom:0}}

/* WhatsApp flutuante */
.zap{position:fixed;right:calc(18px + env(safe-area-inset-right,0px));bottom:calc(18px + env(safe-area-inset-bottom,0px));z-index:60;
  width:56px;height:56px;border-radius:50%;background:#25d366;color:#fff;display:grid;place-items:center;box-shadow:0 8px 22px rgba(0,0,0,.25)}
.zap svg{width:30px;height:30px}

/* janela rápida antes do WhatsApp */
.dlg{border:0;border-radius:10px;padding:0;max-width:min(440px,calc(100vw - 32px));width:100%;box-shadow:0 24px 60px rgba(0,0,0,.35)}
.dlg::backdrop{background:rgba(0,0,0,.55)}
.dlg form{padding:26px 24px 22px;display:flex;flex-direction:column;gap:14px;position:relative}
.dlg h2{font-size:1.25rem;font-weight:800;color:var(--azul)}
.dlg p{color:var(--cinza);font-size:.95rem}
.dlg-acoes{display:flex;flex-wrap:wrap;gap:10px;margin-top:4px}
.dlg-x{position:absolute;top:10px;right:12px;border:0;background:transparent;font-size:1.6rem;line-height:1;color:var(--cinza);cursor:pointer;padding:4px 8px}
.titulo-secao{font-size:clamp(1.5rem,3.2vw,2.15rem);font-weight:800;color:var(--azul)}

/* Modelos de barracões: escolha do modelo, 3D (iframe do sistema, só por fora) e ficha com o pedido de orçamento */
.modelos-filtros{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin-bottom:18px}
.modelos-filtros .campo{display:flex;flex-direction:column;gap:6px;font-weight:600;font-size:14px}
.modelos-filtros select{width:100%;box-sizing:border-box;font:inherit;font-weight:500;padding:10px 12px;border:1px solid #cfd5dc;border-radius:10px;min-height:46px;background:#fff;color:var(--azul)}
.modelos-vista{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:18px;align-items:start}
.modelos-3d{position:relative;min-height:520px;border-radius:14px;overflow:hidden;background:linear-gradient(#fff,#dde7f5);box-shadow:0 8px 24px rgba(15,23,42,.10)}
.modelos-3d iframe{display:block;width:100%;height:560px;border:0}
.modelos-vazio{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;text-align:center;padding:24px;color:#334155}
.modelos-vazio b{font-size:18px}
.modelos-ficha{background:var(--branco,#fff);border:1px solid rgba(0,0,0,.08);border-radius:14px;padding:18px;display:flex;flex-direction:column;gap:12px;box-shadow:0 8px 24px rgba(15,23,42,.06)}
.modelos-ficha h2{margin:0;font-size:22px}
.modelos-ficha dl{display:grid;grid-template-columns:auto 1fr;gap:6px 12px;margin:0;font-size:15px}
.modelos-ficha dt{color:#5b6470}.modelos-ficha dd{margin:0;font-weight:600}
.modelos-ficha .nota{font-size:13px;color:#5b6470;margin:0}
@media (max-width:900px){.modelos-vista{grid-template-columns:1fr}.modelos-3d iframe{height:440px}.modelos-3d{min-height:420px}}