:root{
    --navy:#0f2142;
    --navy-2:#132a52;
    --blue:#11274c;
    --blue-dark:#154a9e;
    --green:#22b24c;
    --green-dark:#1a9a3f;
    --gray-bg:#f4f6f9;
    --ink:#1b2431;
    --muted:#6b7688;
    --white:#ffffff;
    --line:#e4e8ef;
  }
  *{box-sizing:border-box;}
  body{margin:0;background:var(--white);color:var(--ink);font-family:'Inter',sans-serif;-webkit-font-smoothing:antialiased;}
  h1,h2,h3,h4{font-family:'Poppins',sans-serif;margin:0;color:var(--navy);}
  p{margin:0;line-height:1.65;color:var(--muted);}
  a{text-decoration:none;color:inherit;}
  img{max-width:100%;display:block;}
  .wrap{max-width:1180px;margin:0 auto;padding:0 24px;}
  .eyebrow{display:inline-flex;align-items:center;gap:10px;color:var(--blue);font-weight:700;font-size:13px;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:14px;}
  .eyebrow::before{content:"";width:22px;height:2px;background:var(--blue);display:inline-block;}
  .section-head{text-align:center;max-width:640px;margin:0 auto 46px;}
  .pill-tag{display:inline-block;background:var(--gray-bg);border:1px solid var(--line);border-radius:999px;padding:8px 22px;font-size:12.5px;font-weight:700;letter-spacing:1.6px;color:var(--navy);text-transform:uppercase;margin-bottom:16px;}
  .btn{display:inline-flex;align-items:center;gap:8px;padding:14px 26px;border-radius:8px;font-weight:600;font-size:14.5px;cursor:pointer;border:2px solid transparent;transition:transform .15s ease, box-shadow .15s ease;}
  .btn:hover{transform:translateY(-2px);}
  .btn-green{background:var(--green);color:#fff;box-shadow:0 8px 20px rgba(34,178,76,.28);}
  .btn-green:hover{background:var(--green-dark);}
  .btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.65);}
  .btn-outline:hover{background:rgba(255,255,255,.12);}
  .btn-navy{background:var(--navy);color:#fff;}
  .btn-navy:hover{background:var(--navy-2);}

  /* HEADER */
  header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);}
  /* Grid de 3 colunas (logo / menu / cta), as duas colunas externas com o
     mesmo "1fr" — assim o menu do meio fica sempre centralizado de verdade
     na largura total, e não só "no meio do espaço que sobrou" (o que
     ficaria torto, já que a logo e o botão não têm a mesma largura). */
  .nav-row{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:18px;padding:14px 24px;max-width:1180px;margin:0 auto;}
  .nav-row > a{justify-self:start;grid-column:1;}
  .nav-row img{height:44px;width:auto;}
  nav{justify-self:center;min-width:0;max-width:100%;grid-column:2;}
  nav ul{list-style:none;display:flex;flex-wrap:nowrap;gap:24px;margin:0;padding:0;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}
  nav ul::-webkit-scrollbar{display:none;}
  nav li{flex:none;}
  nav a{font-size:14.5px;font-weight:600;color:var(--ink);white-space:nowrap;}
  nav a:hover{color:var(--blue);}
  /* grid-column:3 fixo: no mobile o <nav> vira position:absolute e sai do
     grid, sobrando só logo + nav-cta. Sem essa coluna fixa, o CSS Grid
     reposiciona esses 2 itens nas colunas 1 e 2 (auto-placement), jogando
     o botão WhatsApp/hambúrguer pro meio em vez de ficar na borda direita. */
  .nav-cta{display:flex;align-items:center;gap:18px;justify-self:end;grid-column:3;}

  /* Botão hambúrguer (menu mobile) */
  .nav-toggle{display:none;flex:none;background:none;border:none;padding:6px;cursor:pointer;}
  .nav-toggle span{display:block;width:24px;height:2px;background:var(--navy);margin:5px 0;}

  /* HERO */
  .hero{position:relative;background:linear-gradient(180deg, rgba(9,20,41,.55), rgba(9,20,41,.88)), url('../img/servicos/banner-servicos.jpg') center 60%/cover no-repeat;padding:120px 24px 90px;color:#fff;}
  .hero-inner{max-width:1180px;margin:0 auto;}
  .hero .eyebrow{color:#8fb6ff;}
  .hero .eyebrow::before{background:#8fb6ff;}
  .hero h1{font-size:46px;line-height:1.18;font-weight:700;color:#fff;max-width:720px;}
  .hero h1 span{color:#5fa1ff;}
  .hero p.lead{color:#c7d3e8;font-size:17px;max-width:600px;margin-top:20px;}
  .hero .actions{display:flex;gap:16px;margin-top:34px;flex-wrap:wrap;}

  /* STATS */
  .stats{background:var(--blue);}
  .stats-row{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);}
  .stat{padding:34px 20px;text-align:center;border-left:1px solid rgba(255,255,255,.18);}
  .stat:first-child{border-left:none;}
  .stat .num{color:#fff;font-family:'Poppins',sans-serif;font-weight:800;font-size:32px;}
  .stat .label{color:#d7e6ff;font-size:12.5px;letter-spacing:1.2px;text-transform:uppercase;font-weight:600;margin-top:6px;}

  /* EMPRESA */
  .empresa{padding:96px 24px;}
  .empresa-grid{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:0.85fr 1.15fr;gap:64px;align-items:stretch;}
  .empresa-img{position:relative;border-radius:14px;overflow:hidden;box-shadow:0 20px 45px rgba(15,33,66,.18);}
  /* A imagem preenche 100% da altura da coluna (que agora estica junto com
     o texto ao lado, graças ao align-items:stretch acima). object-fit:cover
     ajusta a foto a essa altura cortando o excedente proporcionalmente —
     ao contrário de "stretch"/esticar, que distorceria a imagem. */
  .empresa-img img{width:100%;height:100%;object-fit:cover;border-radius:14px;}
  .empresa h2{font-size:32px;line-height:1.25;margin-bottom:18px;}
  .empresa p + p{margin-top:14px;}
  .checklist{display:grid;grid-template-columns:1fr 1fr;gap:12px 24px;margin:26px 0 30px;}
  .checklist div{display:flex;align-items:center;gap:10px;font-weight:600;font-size:14.5px;color:var(--navy);}
  .checklist svg{flex:none;width:18px;height:18px;color:var(--green);}

  /* MISSAO */
  .missao{background:linear-gradient(135deg,var(--navy),var(--navy-2));padding:70px 24px;text-align:center;color:#fff;}
  .missao .icon{font-size:34px;margin-bottom:14px;}
  .missao h3{color:#fff;font-size:24px;margin-bottom:16px;}
  .missao p{color:#c7d3e8;max-width:700px;margin:0 auto;font-size:16px;}
  /* A seção "Nosso Compromisso" (Sobre) usa .checklist dentro de .missao,
     que é toda centralizada (title/parágrafo). Sem isso, cada item ficava
     alinhado à esquerda dentro da própria célula do grid — no desktop
     (2 colunas) quase não aparecia, mas no mobile (1 coluna, item ocupando
     a largura toda) ficava bem torto ao lado do texto centralizado acima. */
  .missao .checklist div{justify-content:center;}

  /* SERVICOS */
  .servicos{background:var(--gray-bg);padding:96px 24px;}
  .cards-grid{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
  .card{background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 10px 28px rgba(15,33,66,.08);transition:transform .18s ease, box-shadow .18s ease;}
  .card:hover{transform:translateY(-6px);box-shadow:0 18px 36px rgba(15,33,66,.14);}
  .card .thumb{height:170px;overflow:hidden;}
  .card .thumb img{width:100%;height:100%;object-fit:cover;}
  .card .body{padding:22px 22px 24px;}
  .card h4{font-size:18px;margin-bottom:10px;}
  .card p{font-size:14.5px;}
  .card .more{display:inline-block;margin-top:14px;color:var(--blue);font-weight:700;font-size:14px;}

  /* PORTFOLIO (dark) */
  .portfolio{background:#0c0f14;padding:96px 24px;color:#fff;}
  .portfolio .section-head{max-width:680px;}
  .portfolio .eyebrow{color:#5fa1ff;justify-content:center;}
  .portfolio h2{color:#fff;font-size:32px;margin-bottom:14px;}
  .portfolio .section-head p{color:#9aa6b8;}
  .portfolio .btn-outline{color:#fff;border-color:rgba(255,255,255,.4);margin-top:22px;}
  .proj-grid{max-width:1180px;margin:54px auto 0;display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  .proj-card{position:relative;border-radius:12px;overflow:hidden;height:280px;}
  .proj-card img{width:100%;height:100%;object-fit:cover;}
  .proj-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(6,10,20,.92));}
  .proj-info{position:absolute;left:0;right:0;bottom:0;padding:20px;z-index:2;}
  .proj-info .name{font-weight:700;font-size:16.5px;color:#fff;}
  .proj-info .loc{font-size:13px;color:#a9b6c9;margin-top:4px;}

  /* CLIENTES */
  .clientes{padding:80px 24px;background:#fff;}
  .logos-row{max-width:1000px;margin:50px auto 0;display:flex;align-items:center;justify-content:center;gap:40px;flex-wrap:wrap;}
  .logos-row .logo-box{border:1px solid var(--line);border-radius:10px;padding:18px 22px;display:flex;align-items:center;justify-content:center;height:76px;width:150px;}
  .logos-row img{max-height:44px;max-width:110px;object-fit:contain;}

  /* CONTATO */
  .contato{background:var(--gray-bg);padding:96px 24px;}
  .contato-grid{max-width:1180px;margin:50px auto 0;display:grid;grid-template-columns:0.9fr 1.1fr;gap:50px;}
  .contato-info h3{font-size:20px;margin-bottom:18px;}
  .contato-info p.lead{margin-bottom:24px;}
  .contato-info ul{list-style:none;padding:0;margin:0 0 28px;}
  .contato-info li{display:flex;align-items:center;gap:12px;padding:11px 0;font-size:14.5px;font-weight:600;color:var(--navy);border-bottom:1px solid var(--line);}
  .contato-info li .ic{width:34px;height:34px;border-radius:50%;background:#eaf1ff;color:var(--blue);display:flex;align-items:center;justify-content:center;flex:none;}
  .contato-actions{display:flex;gap:14px;flex-wrap:wrap;}
  .form-card{background:#fff;border-radius:14px;padding:34px;box-shadow:0 14px 34px rgba(15,33,66,.08);}
  .form-card h3{font-size:18px;margin-bottom:20px;}
  .form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px;}
  .form-card input,.form-card textarea{width:100%;border:1px solid var(--line);border-radius:8px;padding:13px 14px;font-family:inherit;font-size:14.5px;background:var(--gray-bg);}
  .form-card textarea{min-height:110px;resize:vertical;margin-bottom:18px;}
  .form-card .btn-navy{width:100%;justify-content:center;border:none;}
  .ont-form-msg{border-radius:8px;padding:12px 14px;margin-bottom:18px;font-size:14px;font-weight:600;}
  .ont-form-msg--ok{background:#e7f7ec;color:#1e7a3d;border:1px solid #b7e3c4;}
  .ont-form-msg--erro{background:#fdecec;color:#b02a2a;border:1px solid #f3bcbc;}

  /* FOOTER */
  footer{background:var(--navy);color:#c7d3e8;padding:64px 24px 26px;}
  .footer-grid{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:1.3fr 1fr 1fr 1.1fr;gap:36px;align-items:start;}
  /* min-width:0 nas colunas do grid: sem isso, um texto sem espaço pra
     quebrar (o e-mail de contato, ex. "ontconstrucao@gmail.com") força a
     coluna a ter no mínimo a largura desse texto inteiro (min-content),
     estourando a largura do grid e criando scroll horizontal na página
     inteira no mobile. overflow-wrap garante que esse texto quebre em vez
     de simplesmente quebrar o layout. */
  .footer-grid > div{min-width:0;}
  .footer-grid img{height:46px;width:auto;margin-bottom:14px;}
  .footer-grid h5{color:#fff;font-size:13px;letter-spacing:1.2px;text-transform:uppercase;margin-bottom:16px;}
  .footer-grid ul{list-style:none;padding:0;margin:0;}
  .footer-grid li{margin-bottom:12px;font-size:14px;line-height:1.65;}
  .footer-grid a{overflow-wrap:break-word;word-break:break-word;}
  .footer-grid a:hover{color:#fff;}
  .footer-bottom{max-width:1180px;margin:40px auto 0;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:#8ea0bd;text-align:center;}

  @media (max-width:920px){
    .nav-toggle{display:block;}
    /* Escopado a #site-nav (não "nav" genérico): o seletor de tag "nav"
       também atingia o <nav> do rodapé (mesma tag, sem relação com o menu
       do header), deixando o menu de Navegação do footer com display:none
       permanente no mobile — ele nunca ganha a classe .is-open, que só é
       alternada via JS no #site-nav do header. */
    #site-nav{
      display:none;
      position:absolute;
      top:100%;left:0;right:0;
      background:#fff;
      border-bottom:1px solid var(--line);
      box-shadow:0 12px 24px rgba(15,33,66,.08);
    }
    #site-nav.is-open{display:block;}
    #site-nav ul{flex-direction:column;flex-wrap:wrap;gap:0;overflow:visible;padding:8px 24px 16px;}
    #site-nav li{width:100%;}
    #site-nav a{display:block;padding:12px 0;border-bottom:1px solid var(--line);white-space:normal;}
    #site-nav li:last-child a{border-bottom:none;}
    .empresa-grid,.contato-grid{grid-template-columns:1fr;}
    .cards-grid,.proj-grid{grid-template-columns:1fr 1fr;}
    .stats-row{grid-template-columns:1fr 1fr;}
    .footer-grid{grid-template-columns:1fr 1fr;}
    .hero h1{font-size:34px;}
  }
  @media (max-width:600px){
    .cards-grid,.proj-grid,.form-row,.checklist{grid-template-columns:1fr;}
  }