/* ============================================================
   BRIDGE BR GROUP — Design System
   Paleta: inspirada no aço corten das grandes pontes
   ------------------------------------------------------------
   --tinta   #0F2A43  azul-marinho profundo (autoridade)
   --corten  #B4552D  aço corten (a ponte, o acento)
   --papel   #F5F7F9  papel frio (fundo)
   --grafite #22303D  texto corrido
   --linha   #DCE3E9  fios e bordas
   --noite   #0B1E31  painéis escuros (rodapé / faixas)
   Tipografia: Archivo (títulos) · Inter (texto) · IBM Plex Mono (dados)
   ============================================================ */

:root{
  --tinta:#0F2A43;
  --corten:#B4552D;
  --corten-claro:#D97845;
  --papel:#F5F7F9;
  --branco:#FFFFFF;
  --grafite:#22303D;
  --cinza:#5A6B7C;
  --linha:#DCE3E9;
  --noite:#0B1E31;
  --raio:10px;
  --largura:1160px;
  --f-display:'Archivo',system-ui,sans-serif;
  --f-texto:'Inter',system-ui,sans-serif;
  --f-mono:'IBM Plex Mono',ui-monospace,monospace;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}
body{
  font-family:var(--f-texto);
  color:var(--grafite);
  background:var(--papel);
  line-height:1.65;
  font-size:16.5px;
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block;max-width:100%}
a{color:var(--corten);text-decoration:none}
a:hover{text-decoration:underline}
a:focus-visible,button:focus-visible{outline:3px solid var(--corten);outline-offset:3px;border-radius:4px}

.container{max-width:var(--largura);margin:0 auto;padding:0 24px}

/* ---------- Tipografia ---------- */
h1,h2,h3{font-family:var(--f-display);color:var(--tinta);line-height:1.15;letter-spacing:-.01em}
h1{font-size:clamp(2.1rem,4.6vw,3.4rem);font-weight:800}
h2{font-size:clamp(1.6rem,3vw,2.2rem);font-weight:700}
h3{font-size:1.15rem;font-weight:700}
.eyebrow{
  font-family:var(--f-mono);font-size:.78rem;letter-spacing:.18em;
  text-transform:uppercase;color:var(--corten);font-weight:600;
  display:flex;align-items:center;gap:10px;margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--corten)}
.lead{font-size:1.12rem;color:var(--cinza);max-width:62ch}

/* ---------- Header ---------- */
.topo{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--linha);
}
.topo-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 24px;max-width:var(--largura);margin:0 auto}
.nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.nav a{
  color:var(--tinta);font-weight:600;font-size:.92rem;padding:8px 12px;
  border-radius:6px;transition:background .15s;
}
.nav a:hover{background:var(--papel);text-decoration:none}
.nav a.ativo{color:var(--corten)}
.nav .btn-nav{background:var(--tinta);color:#fff;padding:9px 16px}
.nav .btn-nav:hover{background:var(--corten);color:#fff}
.menu-btn{display:none;background:none;border:1px solid var(--linha);border-radius:8px;padding:8px 12px;font-family:var(--f-mono);font-size:.85rem;cursor:pointer;color:var(--tinta)}

/* ---------- Hero ---------- */
.hero{padding:72px 0 56px;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:start}
.hero h1 em{font-style:normal;color:var(--corten)}
.hero .lead{margin:22px 0 30px}
.acoes{display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:.98rem;
  padding:14px 24px;border-radius:8px;border:2px solid transparent;cursor:pointer;
  transition:transform .12s,background .15s;
}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primario{background:var(--corten);color:#fff}
.btn-primario:hover{background:var(--corten-claro);color:#fff}
.btn-secundario{background:transparent;color:var(--tinta);border-color:var(--tinta)}
.btn-secundario:hover{background:var(--tinta);color:#fff}

/* O vão — assinatura da marca: arco que liga dois pontos */
.vao{margin-top:48px}
.vao svg{width:100%;height:auto}
.vao-legenda{display:flex;justify-content:space-between;font-family:var(--f-mono);font-size:.78rem;letter-spacing:.08em;color:var(--cinza);text-transform:uppercase;margin-top:6px}
.vao-legenda strong{color:var(--tinta)}

/* ---------- Painel de indicadores ---------- */
.painel{
  background:var(--noite);border-radius:var(--raio);padding:26px;color:#E8EEF4;
  box-shadow:0 24px 60px -30px rgba(11,30,49,.55);
}
.painel-titulo{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:6px}
.painel-titulo h2{color:#fff;font-size:1.05rem;margin:0}
.pulso{width:9px;height:9px;border-radius:50%;background:#3FBF7F;animation:pulso 1.8s infinite}
@keyframes pulso{0%,100%{opacity:1}50%{opacity:.35}}
.painel .fonte{font-family:var(--f-mono);font-size:.72rem;color:#8FA3B5;letter-spacing:.06em}
.painel-widget{background:#fff;border-radius:8px;margin-top:16px;padding:10px;min-height:220px}
.painel-nota{font-size:.78rem;color:#8FA3B5;margin-top:12px;line-height:1.5}

/* ---------- Seções ---------- */
.secao{padding:72px 0}
.secao-escura{background:var(--noite);color:#DFE8F0}
.secao-escura h2,.secao-escura h3{color:#fff}
.secao-escura .lead{color:#AABACA}

/* Arco divisor entre seções */
.divisor-arco{line-height:0;background:var(--papel)}
.divisor-arco svg{width:100%;height:44px}

/* ---------- Cards de serviço ---------- */
.grade-servicos{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:40px}
.card{
  background:var(--branco);border:1px solid var(--linha);border-radius:var(--raio);
  padding:28px 26px;display:flex;flex-direction:column;gap:12px;
  transition:transform .18s,box-shadow .18s,border-color .18s;
}
.card:hover{transform:translateY(-4px);box-shadow:0 20px 44px -24px rgba(15,42,67,.35);border-color:var(--corten)}
.card .icone{width:44px;height:44px;color:var(--corten)}
.card p{color:var(--cinza);font-size:.95rem;flex:1}
.card a{font-weight:700;font-size:.92rem}
.card a::after{content:" →"}

/* ---------- Página de serviço ---------- */
.hero-servico{padding:64px 0 48px;border-bottom:1px solid var(--linha)}
.hero-servico .lead{margin-top:18px}
.duas-colunas{display:grid;grid-template-columns:1.2fr .8fr;gap:56px;align-items:start}
.bloco-lateral{
  background:var(--branco);border:1px solid var(--linha);border-left:4px solid var(--corten);
  border-radius:var(--raio);padding:26px;
}
.bloco-lateral h3{margin-bottom:10px}
.bloco-lateral ul{list-style:none;display:flex;flex-direction:column;gap:10px;font-size:.95rem;color:var(--cinza)}
.bloco-lateral li{display:flex;gap:10px}
.bloco-lateral li::before{content:"—";color:var(--corten);font-weight:700}
.prosa p{margin-bottom:18px;max-width:68ch}
.prosa strong{color:var(--tinta)}
.destaque{
  font-family:var(--f-display);font-weight:700;font-size:1.25rem;color:var(--tinta);
  border-left:4px solid var(--corten);padding:6px 0 6px 20px;margin:28px 0;max-width:56ch;line-height:1.4;
}

/* ---------- CTA faixa ---------- */
.faixa-cta{background:var(--tinta);color:#fff;padding:56px 0}
.faixa-cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.faixa-cta h2{color:#fff;max-width:22ch}
.faixa-cta p{color:#B9C8D6;max-width:52ch;margin-top:8px}

/* ---------- Formulários ---------- */
.formulario{background:var(--branco);border:1px solid var(--linha);border-radius:var(--raio);padding:34px;max-width:680px}
.campo{margin-bottom:20px}
.campo label{display:block;font-weight:600;font-size:.92rem;color:var(--tinta);margin-bottom:6px}
.campo input,.campo select,.campo textarea{
  width:100%;padding:13px 14px;border:1px solid var(--linha);border-radius:8px;
  font-family:var(--f-texto);font-size:1rem;background:var(--papel);color:var(--grafite);
}
.campo input:focus,.campo select:focus,.campo textarea:focus{outline:2px solid var(--corten);border-color:var(--corten);background:#fff}
.campo textarea{min-height:130px;resize:vertical}
.form-nota{font-size:.82rem;color:var(--cinza);margin-top:14px}

/* ---------- Contato ---------- */
.grade-contato{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.canal{display:flex;gap:16px;padding:20px 0;border-bottom:1px solid var(--linha)}
.canal .icone{width:38px;height:38px;color:var(--corten);flex-shrink:0}
.canal h3{font-size:1rem}
.canal p{color:var(--cinza);font-size:.94rem}

/* ---------- Rodapé ---------- */
.rodape{background:var(--noite);color:#9FB2C2;padding:56px 0 28px;font-size:.92rem}
.rodape-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:36px;margin-bottom:40px}
.rodape h4{color:#fff;font-family:var(--f-display);font-size:.95rem;margin-bottom:14px;letter-spacing:.02em}
.rodape ul{list-style:none;display:flex;flex-direction:column;gap:9px}
.rodape a{color:#9FB2C2}
.rodape a:hover{color:#fff}
.rodape-base{border-top:1px solid rgba(255,255,255,.12);padding-top:22px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-family:var(--f-mono);font-size:.75rem;letter-spacing:.05em}

/* ---------- Botão WhatsApp flutuante ---------- */
.zap{
  position:fixed;right:22px;bottom:22px;z-index:60;width:60px;height:60px;
  background:#25D366;border-radius:50%;display:flex;align-items:center;justify-content:center;
  box-shadow:0 12px 30px -8px rgba(37,211,102,.6);transition:transform .15s;
}
.zap:hover{transform:scale(1.08)}
.zap svg{width:32px;height:32px;fill:#fff}
.zap-balao{
  position:fixed;right:94px;bottom:34px;z-index:60;background:#fff;border:1px solid var(--linha);
  border-radius:10px;padding:8px 14px;font-size:.85rem;font-weight:600;color:var(--tinta);
  box-shadow:0 10px 26px -14px rgba(15,42,67,.4);white-space:nowrap;
}

/* ---------- Vagas ---------- */
.vaga{background:var(--branco);border:1px solid var(--linha);border-radius:var(--raio);padding:24px 26px;margin-bottom:16px;display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap}
.vaga h3{font-size:1.05rem}
.vaga .tag{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--cinza)}

/* ---------- Números ---------- */
.grade-numeros{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:36px}
.numero{border-top:3px solid var(--corten);padding-top:16px}
.numero strong{font-family:var(--f-display);font-size:2rem;font-weight:800;color:var(--tinta);display:block}
.secao-escura .numero strong{color:#fff}
.numero span{font-size:.88rem;color:var(--cinza)}
.secao-escura .numero span{color:#9FB2C2}

/* ---------- Responsivo ---------- */
@media (max-width:940px){
  .hero-grid,.duas-colunas,.grade-contato{grid-template-columns:1fr}
  .grade-servicos{grid-template-columns:1fr 1fr}
  .grade-numeros{grid-template-columns:1fr 1fr}
  .rodape-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:680px){
  .grade-servicos{grid-template-columns:1fr}
  .nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:14px 20px;border-bottom:1px solid var(--linha)}
  .nav.aberto{display:flex}
  .menu-btn{display:block}
  .zap-balao{display:none}
  .hero{padding:48px 0 40px}
  .secao{padding:52px 0}
}

/* ---------- Logo ---------- */
.logo{display:flex;flex-direction:column;line-height:1;text-decoration:none!important}
.logo .arco{width:104px;height:12px;margin-bottom:3px}
.logo .marca{font-family:var(--f-display);font-weight:800;font-size:1.35rem;letter-spacing:.02em;color:var(--tinta)}
.logo .marca em{font-style:normal;color:var(--corten)}
.logo .grupo{font-family:var(--f-mono);font-size:.62rem;letter-spacing:.42em;color:var(--cinza);text-transform:uppercase;margin-top:3px}
.rodape .logo .marca{color:#fff}
.rodape .logo .grupo{color:#8FA3B5}