/* =========================================================
   MIX CONCRETO & BOMBA
   Paleta tirada do logo: laranja, grafite e concreto
   ========================================================= */
:root {
  --preto: #111418;
  --grafite: #1b2028;
  --grafite-2: #262c35;
  --laranja: #f26a0f;
  --laranja-escuro: #c9520a;
  --aco: #2b333e;
  --aco-escuro: #1b2028;
  --concreto: #f3f3f1;
  --concreto-2: #e3e4e2;
  --cinza: #646b75;
  --cinza-claro: #a7adb5;
  --branco: #ffffff;
  --whats: #25d366;
  --whats-escuro: #1ebe5a;

  --f-titulo: "Outfit", system-ui, sans-serif;
  --f-texto: "Barlow", system-ui, sans-serif;
  --f-rotulo: "Oswald", "Arial Narrow", sans-serif;

  --raio: 14px;
  --raio-sm: 8px;
  --sombra: 0 18px 50px -20px rgba(17, 20, 24, .35);
  --container: 1200px;
  --header-h: 84px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); }
body {
  margin: 0;
  font-family: var(--f-texto);
  font-size: 17px;
  line-height: 1.6;
  color: var(--grafite);
  background: var(--branco);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3, h4 { font-family: var(--f-titulo); line-height: 1.1; margin: 0 0 .5em; color: var(--preto); }
p { margin: 0 0 1em; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- rótulos / títulos de seção ---------- */
.rotulo {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--f-rotulo); font-weight: 500; font-size: 14px;
  letter-spacing: .22em; text-transform: uppercase; color: var(--laranja-escuro);
  margin-bottom: 14px;
}
.rotulo::before { content: ""; width: 28px; height: 3px; background: currentColor; }
.secao { padding: 96px 0; }
.secao-titulo { font-size: clamp(30px, 4.2vw, 48px); font-weight: 800; letter-spacing: -.02em; max-width: 780px; }
.secao-sub { font-size: 19px; color: var(--cinza); max-width: 680px; }
.centro { text-align: center; }
.centro .secao-titulo, .centro .secao-sub { margin-left: auto; margin-right: auto; }
.centro .rotulo { justify-content: center; }

/* ---------- botões ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--f-titulo); font-weight: 700; font-size: 16px;
  padding: 15px 26px; border-radius: 999px; border: 2px solid transparent;
  text-decoration: none; cursor: pointer; transition: transform .15s, background .2s, color .2s, border-color .2s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn svg { width: 20px; height: 20px; flex: none; }
.btn-whats { background: var(--whats); color: #06381a; }
.btn-whats:hover { background: var(--whats-escuro); }
.btn-laranja { background: var(--laranja); color: var(--branco); }
.btn-laranja:hover { background: var(--laranja-escuro); }
.btn-contorno { border-color: rgba(255,255,255,.4); color: var(--branco); }
.btn-contorno:hover { border-color: var(--branco); background: rgba(255,255,255,.08); }
.btn-contorno-escuro { border-color: var(--grafite); color: var(--grafite); }
.btn-contorno-escuro:hover { background: var(--grafite); color: var(--branco); }
.btn-bloco { width: 100%; }

/* ---------- barra superior ---------- */
.topbar { background: var(--laranja); color: rgba(17,20,24,.85); font-size: 14px; }
.topbar .container { display: flex; justify-content: space-between; align-items: center; gap: 16px; min-height: 40px; }
.topbar a { text-decoration: none; font-weight: 700; color: var(--preto); }
.topbar-cidades { font-family: var(--f-rotulo); letter-spacing: .08em; text-transform: uppercase; font-size: 13px; }
.topbar-cidades strong { color: var(--preto); font-weight: 500; }
.topbar-contatos { display: flex; flex-wrap: wrap; justify-content: center; gap: 4px 20px; }
.rodape li strong { color: var(--branco); font-weight: 600; }
.rodape ul li + li { margin-top: 6px; }

/* ---------- cabeçalho ---------- */
.header {
  position: sticky; top: 0; z-index: 50; background: rgba(17,20,24,.97);
  backdrop-filter: saturate(160%) blur(10px); border-bottom: 1px solid rgba(255,255,255,.08);
  transition: box-shadow .2s;
}
.header.rolou { box-shadow: 0 8px 30px -18px rgba(0,0,0,.35); }
.header .container { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); gap: 24px; }
.header-logo img { height: 62px; width: auto; }
.nav { display: flex; align-items: center; gap: 30px; }
.nav a { text-decoration: none; font-weight: 600; font-size: 15px; color: rgba(255,255,255,.85); position: relative; }
.nav a:not(.btn):hover { color: var(--branco); }
.nav a:not(.btn)::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 2px;
  background: var(--laranja); transform: scaleX(0); transition: transform .2s; transform-origin: left;
}
.nav a:not(.btn):hover::after { transform: scaleX(1); }
.nav .btn { padding: 11px 20px; font-size: 15px; }
.menu-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.menu-toggle span { display: block; width: 26px; height: 3px; background: var(--branco); margin: 5px 0; border-radius: 2px; transition: .25s; }

/* ---------- hero ---------- */
.hero {
  position: relative; overflow: hidden; color: var(--branco);
  background:
    linear-gradient(90deg, rgba(17,20,24,.95) 0%, rgba(17,20,24,.84) 48%, rgba(17,20,24,.6) 100%),
    url("../img/usina.jpg") center / cover no-repeat,
    var(--preto);
  padding: 84px 0 96px;
}
.hero::before { /* textura de concreto */
  content: ""; position: absolute; inset: 0; opacity: .06; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .9 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.hero .container { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
.hero h1 { color: var(--branco); font-size: clamp(38px, 5.6vw, 66px); font-weight: 800; letter-spacing: -.03em; margin-bottom: 22px; }
.hero h1 em { font-style: normal; color: var(--laranja); }
.hero .rotulo { color: var(--laranja); }
.hero-texto { font-size: 20px; color: rgba(255,255,255,.78); max-width: 580px; margin-bottom: 32px; }
.hero-acoes { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 40px; }
.hero-selos { display: flex; flex-wrap: wrap; gap: 10px 22px; list-style: none; padding: 0; margin: 0; }
.hero-selos li { display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: 15px; color: rgba(255,255,255,.88); }
.hero-selos svg { width: 20px; height: 20px; color: var(--laranja); flex: none; }

/* ---------- formulário de orçamento ---------- */
.orcamento {
  background: var(--branco); color: var(--grafite); border-radius: 20px; padding: 32px;
  box-shadow: 0 30px 80px -30px rgba(0,0,0,.7); border-top: 6px solid var(--laranja);
}
.orcamento h2 { font-size: 26px; font-weight: 800; margin-bottom: 4px; }
.orcamento > p { color: var(--cinza); font-size: 15px; margin-bottom: 20px; }
.campo { margin-bottom: 14px; }
.campo label { display: block; font-weight: 700; font-size: 14px; margin-bottom: 6px; color: var(--grafite); }
.campo input, .campo select, .campo textarea {
  width: 100%; font: inherit; font-size: 16px; padding: 12px 14px; border-radius: var(--raio-sm);
  border: 1.5px solid var(--concreto-2); background: var(--concreto); color: var(--grafite); transition: border-color .15s, background .15s;
}
.campo input:focus, .campo select:focus, .campo textarea:focus { outline: none; border-color: var(--aco); background: var(--branco); }
.campo-duplo { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.orcamento .nota { font-size: 13px; color: var(--cinza); text-align: center; margin: 12px 0 0; }

/* ---------- faixa de diferenciais ---------- */
.faixa { background: var(--laranja); color: var(--branco); }
.faixa .container { display: grid; grid-template-columns: repeat(4, 1fr); }
.faixa-item { display: flex; align-items: center; gap: 14px; padding: 26px 20px; border-right: 1px solid rgba(255,255,255,.2); }
.faixa-item:last-child { border-right: 0; }
.faixa-item svg { width: 36px; height: 36px; flex: none; opacity: .95; }
.faixa-item strong { display: block; font-family: var(--f-titulo); font-size: 17px; line-height: 1.2; }
.faixa-item span { font-size: 14px; opacity: .85; line-height: 1.3; display: block; }

/* ---------- serviços ---------- */
.servicos-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; }
.card-servico {
  position: relative; background: var(--concreto); border-radius: var(--raio); padding: 36px 30px 30px;
  border: 1px solid var(--concreto-2); overflow: hidden; transition: transform .2s, box-shadow .2s;
  display: flex; flex-direction: column;
}
.card-servico:hover { transform: translateY(-6px); box-shadow: var(--sombra); }
.card-servico::after {
  content: ""; position: absolute; left: 0; top: 0; height: 5px; width: 100%;
  background: linear-gradient(90deg, var(--laranja) 0 60%, var(--aco) 60% 100%);
}
.card-icone {
  width: 64px; height: 64px; border-radius: 16px; background: var(--preto); color: var(--branco);
  display: grid; place-items: center; margin-bottom: 22px;
}
.card-icone svg { width: 34px; height: 34px; }
.card-servico h3 { font-size: 24px; font-weight: 800; }
.card-servico p { color: var(--cinza); }
.card-servico ul { list-style: none; padding: 0; margin: 0 0 24px; }
.card-servico li { padding: 6px 0 6px 26px; position: relative; font-weight: 500; }
.card-servico li::before {
  content: ""; position: absolute; left: 0; top: 13px; width: 12px; height: 12px; border-radius: 3px; background: var(--laranja);
}
.card-servico .link-whats { margin-top: auto; font-family: var(--f-titulo); font-weight: 700; color: var(--aco); text-decoration: none; display: inline-flex; gap: 8px; align-items: center; }
.card-servico .link-whats:hover { color: var(--laranja); }

/* ---------- cobrir orçamento ---------- */
.cobrir {
  margin-top: 40px; display: flex; align-items: center; gap: 24px; padding: 28px 32px;
  border: 2px dashed var(--laranja); border-radius: var(--raio); background: #fff4ec;
}
.cobrir-icone { width: 64px; height: 64px; border-radius: 50%; background: var(--laranja); color: var(--branco); display: grid; place-items: center; flex: none; }
.cobrir-icone svg { width: 32px; height: 32px; }
.cobrir-texto { flex: 1; }
.cobrir h3 { font-size: 24px; font-weight: 800; margin-bottom: 4px; }
.cobrir p { margin: 0; color: var(--cinza); }
@media (max-width: 920px) {
  .cobrir { flex-direction: column; align-items: flex-start; padding: 24px 22px; gap: 16px; }
  .cobrir .btn { width: 100%; }
}

/* ---------- tipos de concreto ---------- */
.escuro { background: var(--grafite); color: rgba(255,255,255,.8); }
.escuro .rotulo { color: var(--laranja); }
.escuro h2, .escuro h3 { color: var(--branco); }
.escuro .secao-sub { color: rgba(255,255,255,.65); }
.fck-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px; margin-top: 48px; }
.fck {
  background: var(--grafite-2); border-radius: var(--raio); padding: 28px 24px; border: 1px solid rgba(255,255,255,.07);
  transition: border-color .2s, transform .2s;
}
.fck:hover { border-color: var(--laranja); transform: translateY(-4px); }
.fck-num { font-family: var(--f-titulo); font-weight: 800; font-size: 46px; line-height: 1; color: var(--branco); }
.fck-num small { font-family: var(--f-rotulo); font-size: 14px; font-weight: 500; letter-spacing: .15em; color: var(--laranja); display: block; margin-bottom: 6px; }
.fck-mpa { font-size: 14px; color: var(--cinza-claro); margin: 6px 0 0; }
.fck p { font-size: 15px; margin: 0; }
.fck-obs { margin-top: 28px; font-size: 15px; color: rgba(255,255,255,.55); }
.concretos-titulo { font-size: 20px; font-weight: 700; margin: 48px 0 0; color: var(--branco); }
.escuro .fck-grid { margin-top: 18px; }
.aplic-grid { list-style: none; padding: 0; margin: 18px 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.aplic-grid li {
  display: flex; align-items: center; gap: 12px; background: var(--grafite-2); border: 1px solid rgba(255,255,255,.07);
  border-radius: var(--raio-sm); padding: 16px 18px; font-weight: 600; color: var(--branco); line-height: 1.3;
}
.aplic-grid svg { width: 20px; height: 20px; color: var(--laranja); flex: none; }
.aplic-grid small { display: block; font-weight: 500; font-size: 13px; color: var(--cinza-claro); margin-top: 2px; }

/* ---------- como funciona ---------- */
.passos { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 56px; counter-reset: passo; list-style: none; padding: 0; }
.passo { position: relative; padding-top: 70px; }
.passo::before {
  counter-increment: passo; content: "0" counter(passo);
  position: absolute; top: 0; left: 0; font-family: var(--f-titulo); font-weight: 800; font-size: 54px; line-height: 1;
  color: transparent; -webkit-text-stroke: 2px var(--laranja);
}
.passo::after { content: ""; position: absolute; top: 26px; left: 90px; right: -12px; height: 2px; background: repeating-linear-gradient(90deg, var(--concreto-2) 0 8px, transparent 8px 14px); }
.passo:last-child::after { display: none; }
.passo h3 { font-size: 21px; font-weight: 800; }
.passo p { color: var(--cinza); font-size: 16px; }

/* ---------- orçamento modelo ---------- */
.orc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.orc-figura { margin: 0; text-align: center; }
.orc-folha {
  width: 100%; max-width: 440px; margin: 0 auto; border-radius: 6px; background: var(--branco);
  box-shadow: 0 30px 60px -24px rgba(17,20,24,.45), 0 0 0 1px var(--concreto-2);
  transform: rotate(2deg); transition: transform .3s ease;
}
.orc-folha:hover { transform: rotate(0) scale(1.02); }
.orc-figura figcaption { margin-top: 18px; font-size: 14px; color: var(--cinza); }
@media (max-width: 920px) {
  .orc-grid { grid-template-columns: 1fr; gap: 40px; }
  .orc-folha { max-width: 340px; transform: none; }
}

/* ---------- regiões ---------- */
.regioes { background: var(--concreto); }
.regioes-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: center; }
.mapa { background: var(--branco); border-radius: 22px; padding: 26px; box-shadow: var(--sombra); }
.mapa svg { width: 100%; height: auto; }
.cidades { list-style: none; padding: 0; margin: 28px 0 0; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.cidades li a, .cidades li > span {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  background: var(--branco); border: 1.5px solid var(--concreto-2); border-radius: var(--raio-sm);
  padding: 14px 16px; font-weight: 700; text-decoration: none; transition: border-color .15s;
}
.cidades li a:hover { border-color: var(--laranja); }
.cidades .destaque a, .cidades .destaque > span { border-color: var(--laranja); background: #fff4ec; }
.tag { font-family: var(--f-rotulo); font-size: 11px; font-weight: 500; letter-spacing: .12em; text-transform: uppercase; background: var(--laranja); color: var(--branco); padding: 3px 8px; border-radius: 4px; }

/* ---------- sobre ---------- */
.sobre-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 64px; align-items: center; }
.sobre-img { border-radius: 22px; overflow: hidden; background: var(--branco); box-shadow: var(--sombra); border: 1px solid var(--concreto-2); }
.sobre-img img { width: 100%; mix-blend-mode: multiply; }
.sobre-lista { list-style: none; padding: 0; margin: 24px 0 32px; display: grid; gap: 14px; }
.sobre-lista li { display: flex; gap: 14px; align-items: flex-start; }
.sobre-lista svg { width: 26px; height: 26px; color: var(--laranja); flex: none; margin-top: 2px; }
.sobre-lista strong { display: block; font-family: var(--f-titulo); color: var(--preto); }
.sobre-lista span { color: var(--cinza); font-size: 16px; }

/* ---------- consultor ---------- */
.consultor {
  background: radial-gradient(800px 420px at 80% 55%, rgba(242,106,15,.2), transparent 70%), var(--preto);
  color: rgba(255,255,255,.8); overflow: hidden;
}
.consultor .rotulo { color: var(--laranja); }
.consultor .secao-titulo { color: var(--branco); }
.consultor .secao-sub { color: rgba(255,255,255,.72); }
.consultor-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 56px; align-items: center; }
.consultor-lista { list-style: none; padding: 0; margin: 0 0 32px; display: grid; gap: 12px; }
.consultor-lista li { display: flex; align-items: center; gap: 10px; font-weight: 600; color: var(--branco); }
.consultor-lista svg { width: 20px; height: 20px; color: var(--laranja); flex: none; }
.consultor-tel { display: block; margin-top: 14px; font-size: 14px; color: rgba(255,255,255,.55); }
.consultor-tel a { color: var(--branco); font-weight: 700; }
.consultor-foto { position: relative; margin: 0; }
.consultor-foto img {
  width: 100%; border-radius: 22px; border: 3px solid rgba(242,106,15,.55);
  box-shadow: 0 40px 80px -30px rgba(0,0,0,.85);
}
.consultor-selo {
  position: absolute; left: 28px; top: -18px; padding: 12px 20px; border-radius: 14px;
  background: var(--laranja); color: var(--branco); box-shadow: 0 14px 30px -12px rgba(0,0,0,.6);
}
.consultor-selo strong { display: block; font-family: var(--f-titulo); font-size: 22px; line-height: 1.1; }
.consultor-selo span { font-size: 13px; font-weight: 600; opacity: .92; }
@media (max-width: 920px) {
  .consultor-grid { grid-template-columns: 1fr; gap: 36px; }
  .consultor-foto { order: -1; }
  .consultor-selo { left: 14px; top: -14px; padding: 9px 14px; }
  .consultor-foto { margin-top: 14px; }
  .consultor-selo strong { font-size: 18px; }
  .consultor .btn { width: 100%; }
}

/* ---------- FAQ ---------- */
.faq-lista { max-width: 860px; margin: 48px auto 0; }
.faq-lista details { border-bottom: 1px solid var(--concreto-2); }
.faq-lista summary {
  list-style: none; cursor: pointer; padding: 22px 48px 22px 0; position: relative;
  font-family: var(--f-titulo); font-weight: 700; font-size: 19px; color: var(--preto);
}
.faq-lista summary::-webkit-details-marker { display: none; }
.faq-lista summary::after {
  content: "+"; position: absolute; right: 6px; top: 50%; transform: translateY(-50%);
  width: 32px; height: 32px; border-radius: 50%; background: var(--concreto); display: grid; place-items: center;
  font-size: 22px; font-weight: 500; color: var(--laranja); transition: transform .2s, background .2s;
}
.faq-lista details[open] summary::after { content: "−"; background: var(--laranja); color: var(--branco); }
.faq-lista details p { color: var(--cinza); padding-right: 48px; }

/* ---------- CTA final ---------- */
.cta-final {
  background: linear-gradient(120deg, var(--laranja) 0%, var(--laranja-escuro) 55%, var(--aco) 55.2%, var(--aco-escuro) 100%);
  color: var(--branco); padding: 80px 0; position: relative; overflow: hidden;
}
.cta-final .container { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.cta-final h2 { color: var(--branco); font-size: clamp(30px, 4vw, 46px); font-weight: 800; margin: 0 0 8px; max-width: 640px; }
.cta-final p { margin: 0; font-size: 19px; opacity: .9; }
.cta-final .btn-whats { font-size: 18px; padding: 18px 32px; }

/* ---------- rodapé ---------- */
.rodape { background: var(--preto); color: rgba(255,255,255,.65); padding: 64px 0 28px; font-size: 15px; }
.rodape-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 44px; }
.rodape img { height: 110px; width: auto; margin-bottom: 18px; }
.rodape h4 { color: var(--branco); font-size: 16px; font-family: var(--f-rotulo); font-weight: 500; letter-spacing: .15em; text-transform: uppercase; margin-bottom: 16px; }
.rodape ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.rodape a { text-decoration: none; }
.rodape a:hover { color: var(--branco); }
.rodape-base { border-top: 1px solid rgba(255,255,255,.1); padding-top: 24px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13px; }

/* ---------- WhatsApp flutuante ---------- */
.whats-flutuante {
  position: fixed; right: 22px; bottom: 22px; z-index: 60; width: 62px; height: 62px; border-radius: 50%;
  background: var(--whats); color: var(--branco); display: grid; place-items: center;
  box-shadow: 0 12px 30px -8px rgba(37,211,102,.7); transition: transform .2s;
}
.whats-flutuante:hover { transform: scale(1.08); }
.whats-flutuante svg { width: 34px; height: 34px; }
.whats-flutuante::before {
  content: ""; position: absolute; inset: 0; border-radius: 50%; border: 2px solid var(--whats);
  animation: pulso 2.2s infinite;
}
@keyframes pulso { 0% { transform: scale(1); opacity: .8; } 100% { transform: scale(1.6); opacity: 0; } }

/* ---------- animação de entrada ---------- */
.revelar { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.revelar.visivel { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .revelar { opacity: 1; transform: none; transition: none; }
  .whats-flutuante::before { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- responsivo ---------- */
@media (max-width: 1080px) {
  .fck-grid { grid-template-columns: repeat(3, 1fr); }
  .aplic-grid { grid-template-columns: repeat(2, 1fr); }
  .faixa .container { grid-template-columns: repeat(2, 1fr); }
  .faixa-item:nth-child(2) { border-right: 0; }
  .faixa-item:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.2); }
  .rodape-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 920px) {
  :root { --header-h: 72px; }
  .topbar-cidades { display: none; }
  .topbar .container { justify-content: center; }
  .menu-toggle { display: block; }
  .nav {
    position: fixed; top: var(--header-h); left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0;
    background: var(--preto); padding: 8px 20px 24px; border-bottom: 1px solid rgba(255,255,255,.08);
    box-shadow: 0 20px 40px -20px rgba(0,0,0,.3);
    transform: translateY(-120%); visibility: hidden; transition: transform .25s, visibility .25s;
  }
  .nav.aberto { transform: none; visibility: visible; }
  .nav a:not(.btn) { padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.08); }
  .nav .btn { margin-top: 16px; }
  .menu-toggle.aberto span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .menu-toggle.aberto span:nth-child(2) { opacity: 0; }
  .menu-toggle.aberto span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
  .header-logo img { height: 52px; }

  .hero { padding: 56px 0 64px; }
  .hero .container, .regioes-grid, .sobre-grid { grid-template-columns: 1fr; }
  .servicos-grid { grid-template-columns: 1fr; }
  .passos { grid-template-columns: 1fr 1fr; row-gap: 40px; }
  .passo::after { display: none; }
  .secao { padding: 72px 0; }
  .sobre-img { order: -1; }
  .cta-final { background: linear-gradient(160deg, var(--laranja), var(--laranja-escuro) 60%, var(--aco-escuro)); }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .container { padding: 0 16px; }
  .hero-texto { font-size: 18px; }
  .hero-acoes .btn { width: 100%; }
  .orcamento { padding: 24px 20px; }
  .campo-duplo { grid-template-columns: 1fr; }
  .passos, .cidades, .rodape-grid { grid-template-columns: 1fr; }
  .fck-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .fck { padding: 20px; }
  .fck-num { font-size: 38px; }
  .faixa .container { grid-template-columns: 1fr; }
  .faixa-item { border-right: 0 !important; border-bottom: 1px solid rgba(255,255,255,.2); padding: 18px 4px; }
  .faixa-item:last-child { border-bottom: 0; }
  .cta-final .btn-whats { width: 100%; }
  .whats-flutuante { right: 16px; bottom: 16px; width: 58px; height: 58px; }
}

/* foto do mangote na seção do quiz */
.quiz-foto { position: relative; margin: 8px 0 28px; }
.quiz-foto img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; border-radius: 18px; box-shadow: var(--sombra); }
.quiz-foto figcaption {
  position: absolute; left: 14px; bottom: 14px; padding: 7px 12px; border-radius: 999px;
  background: rgba(17,20,24,.82); color: var(--branco); font-size: 13px; font-weight: 600;
}

/* =========================================================
   QUIZ — Preciso de bomba?
   ========================================================= */
.quiz-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: 56px; align-items: center; }
.quiz {
  background: var(--concreto); border: 1px solid var(--concreto-2); border-radius: 22px; padding: 36px;
  box-shadow: var(--sombra); min-height: 470px; display: flex; flex-direction: column;
}
.quiz-progresso { height: 6px; background: var(--concreto-2); border-radius: 99px; overflow: hidden; margin-bottom: 18px; }
.quiz-progresso span { display: block; height: 100%; background: var(--laranja); border-radius: 99px; transition: width .35s ease; }
.quiz-passo { font-family: var(--f-rotulo); font-size: 13px; letter-spacing: .18em; text-transform: uppercase; color: var(--cinza); margin-bottom: 8px; }
.quiz h3 { font-size: 24px; font-weight: 800; margin-bottom: 20px; }
.quiz-opcoes { display: grid; gap: 10px; }
.quiz-op {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; width: 100%; text-align: left;
  font: 600 16px var(--f-texto); color: var(--grafite); background: var(--branco);
  border: 1.5px solid var(--concreto-2); border-radius: 10px; padding: 15px 18px; cursor: pointer;
  transition: border-color .15s, transform .15s;
}
.quiz-op:hover { border-color: var(--laranja); transform: translateX(4px); }
.quiz-op:focus-visible, .prev-cidades button:focus-visible, .prev-dia:focus-visible { outline: 3px solid var(--aco); outline-offset: 2px; }
.quiz-op small { display: block; font-weight: 500; font-size: 14px; color: var(--cinza); }
.quiz-op svg { width: 18px; height: 18px; color: var(--laranja); flex: none; }
.quiz-voltar {
  margin-top: auto; padding-top: 18px; align-self: flex-start; background: none; border: 0; cursor: pointer;
  font: 600 15px var(--f-texto); color: var(--cinza);
}
.quiz-voltar:hover { color: var(--grafite); }
.quiz-anim { animation: quizEntra .35s ease; }
@keyframes quizEntra { from { opacity: 0; transform: translateX(16px); } to { opacity: 1; transform: none; } }

.quiz-selo {
  display: inline-flex; align-items: center; gap: 10px; align-self: flex-start;
  font-family: var(--f-rotulo); font-size: 13px; letter-spacing: .16em; text-transform: uppercase;
  color: var(--branco); padding: 7px 14px; border-radius: 6px; margin-bottom: 14px;
}
.quiz-selo.alto { background: var(--laranja); }
.quiz-selo.medio { background: var(--aco); }
.quiz-selo.baixo { background: var(--grafite); }
.quiz-resultado h3 { font-size: 28px; margin-bottom: 10px; }
.quiz-resultado > p { color: var(--cinza); }
.quiz-motivos { list-style: none; padding: 0; margin: 4px 0 24px; display: grid; gap: 8px; }
.quiz-motivos li { display: flex; gap: 10px; align-items: flex-start; font-weight: 500; }
.quiz-motivos svg { width: 20px; height: 20px; color: var(--laranja); flex: none; margin-top: 3px; }
.quiz-acoes { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.quiz-acoes .quiz-voltar { margin: 0; padding: 0; align-self: center; }
.quiz h3:focus { outline: none; }
.quiz-aviso { font-size: 13px; color: var(--cinza); margin: 16px 0 0; }

/* =========================================================
   PREVISÃO DO TEMPO PARA CONCRETAR
   ========================================================= */
.prev-topo { display: block; }
.prev-topo .secao-sub { margin-bottom: 0; }
.prev-cidades { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.prev-cidades button {
  font: 600 14px var(--f-texto); color: rgba(255,255,255,.8); background: var(--grafite-2);
  border: 1px solid rgba(255,255,255,.12); border-radius: 999px; padding: 9px 16px; cursor: pointer; transition: .15s;
}
.prev-cidades button:hover { border-color: rgba(255,255,255,.4); color: var(--branco); }
.prev-cidades button.ativo { background: var(--laranja); border-color: var(--laranja); color: var(--branco); }

.prev-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 12px; margin-top: 44px; }
.prev-dia {
  --status: var(--cinza);
  display: flex; flex-direction: column; align-items: center; text-align: center;
  background: var(--grafite-2); border-radius: var(--raio); padding: 18px 10px 16px;
  border: 1px solid rgba(255,255,255,.06); border-top: 4px solid var(--status);
  color: var(--branco); text-decoration: none; transition: transform .2s, background .2s;
}
a.prev-dia:hover { transform: translateY(-5px); background: #2e2e35; }
.prev-dia.bom { --status: #3fbf73; }
.prev-dia.atencao { --status: #f0b429; }
.prev-dia.ruim { --status: var(--laranja); }
.prev-dia.fechado { --status: #55555e; opacity: .55; }
.prev-dia.fechado .prev-status { color: var(--cinza-claro); }
.prev-semana { font-family: var(--f-rotulo); font-size: 14px; letter-spacing: .14em; text-transform: uppercase; }
.prev-data { font-size: 13px; color: var(--cinza-claro); }
.prev-dia svg { width: 42px; height: 42px; margin: 12px 0 8px; color: var(--status); }
.prev-temp { font-family: var(--f-titulo); font-weight: 800; font-size: 24px; line-height: 1.1; }
.prev-temp small { font-size: 15px; font-weight: 700; color: var(--cinza-claro); }
.prev-chuva { font-size: 13px; color: rgba(255,255,255,.7); margin-top: 4px; line-height: 1.35; }
.prev-status {
  margin-top: 12px; font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: 999px;
  background: color-mix(in srgb, var(--status) 20%, transparent); color: var(--status);
}
.prev-dia.carregando {
  min-height: 218px; border-top-color: rgba(255,255,255,.1);
  background: linear-gradient(100deg, var(--grafite-2) 30%, #33333b 50%, var(--grafite-2) 70%) 0 0 / 300% 100%;
  animation: brilho 1.3s linear infinite;
}
@keyframes brilho { to { background-position: -150% 0; } }
.prev-erro { grid-column: 1 / -1; text-align: center; padding: 40px 20px; background: var(--grafite-2); border-radius: var(--raio); }
.prev-erro p { margin-bottom: 18px; }
.prev-rodape { display: flex; justify-content: space-between; align-items: center; gap: 16px 32px; flex-wrap: wrap; margin-top: 26px; font-size: 14px; color: rgba(255,255,255,.55); }
.prev-rodape p { margin: 0; max-width: 560px; }
.prev-legenda { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px 22px; }
.prev-legenda li { display: flex; align-items: center; gap: 8px; }
.prev-legenda i { width: 10px; height: 10px; border-radius: 50%; }
.prev-legenda .bom { background: #3fbf73; }
.prev-legenda .atencao { background: #f0b429; }
.prev-legenda .ruim { background: var(--laranja); }
.prev-legenda .fechado { background: #55555e; }

@media (max-width: 920px) {
  .quiz-grid { grid-template-columns: 1fr; gap: 32px; }
  .quiz { min-height: 0; padding: 28px 22px; }
  /* dias da previsão viram carrossel com rolagem lateral */
  .prev-grid {
    grid-template-columns: none; grid-auto-flow: column; grid-auto-columns: 132px;
    overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 8px; margin-top: 32px;
  }
  .prev-dia { scroll-snap-align: start; }
}
@media (prefers-reduced-motion: reduce) {
  .quiz-anim, .prev-dia.carregando { animation: none; }
}

/* =========================================================
   OFERTAS DO CLIENTE (preço, domingo, aditivo)
   ========================================================= */
.hero-preco {
  display: inline-flex; align-items: center; gap: 16px; flex-wrap: wrap;
  margin: -8px 0 28px; padding: 12px 20px; border-radius: var(--raio);
  border: 2px solid var(--laranja); background: rgba(242,106,15,.12);
}
.hero-preco span { font-family: var(--f-rotulo); font-size: 13px; letter-spacing: .12em; text-transform: uppercase; color: rgba(255,255,255,.8); line-height: 1.3; }
.hero-preco strong { font-family: var(--f-titulo); font-weight: 800; font-size: 42px; line-height: 1; color: var(--laranja); }
.hero-preco sup { font-size: 20px; }
.hero-preco em { font-style: normal; font-weight: 700; font-size: 14px; background: var(--laranja); color: var(--branco); padding: 5px 12px; border-radius: 999px; }
.hero-nota { margin: 18px 0 0; font-size: 12px; line-height: 1.5; color: rgba(255,255,255,.55); max-width: 540px; }

.aditivo {
  display: flex; align-items: center; gap: 14px; margin: 28px 0 0; padding: 16px 20px;
  border-radius: var(--raio); background: rgba(242,106,15,.12); border: 1px solid rgba(242,106,15,.4);
  color: rgba(255,255,255,.85);
}
.aditivo svg { width: 30px; height: 30px; color: var(--laranja); flex: none; }
.aditivo strong { color: var(--branco); }

.prev-domingo { margin-top: 6px; font-size: 11px; font-weight: 600; letter-spacing: .04em; color: #9fb3c8; }
.prev-legenda .especial { background: #9fb3c8; }

/* =========================================================
   FLUXO DA CONCRETAGEM (ciclo de 16s)
   Betoneira chega de ré até o caminhão da bomba, descarrega no cocho,
   o concreto vai pela tubulação até a laje e a betoneira vai embora.
   Coordenadas da cena em px (960 x 230), escalada no celular.
   ========================================================= */
.estrada { position: relative; height: 300px; background: var(--concreto); overflow: hidden; }
.estrada::before { /* asfalto */
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 38px; background: var(--aco);
}
.estrada::after { /* faixa da pista */
  content: ""; position: absolute; left: 0; right: 0; bottom: 17px; height: 4px;
  background: repeating-linear-gradient(90deg, var(--laranja) 0 40px, transparent 40px 80px);
}
.estrada-texto { position: relative; z-index: 3; padding-top: 22px; display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 14px; }
.estrada-texto strong { font-family: var(--f-titulo); font-size: 22px; font-weight: 800; color: var(--preto); }
.estrada-texto span { font-family: var(--f-rotulo); font-size: 13px; letter-spacing: .18em; text-transform: uppercase; color: var(--laranja-escuro); }

.cena {
  position: absolute; left: 50%; bottom: 24px; width: 960px; height: 230px; margin-left: -480px; z-index: 2;
  transform-origin: bottom center;
}
.obra { position: absolute; left: 0; bottom: 0; width: 960px; height: 230px; overflow: visible; }
.laje-concreto { transform-box: fill-box; transform-origin: left center; animation: laje 16s ease-in-out infinite; }
.fluxo { opacity: 0; animation: fluxo-on 16s linear infinite, fluxo .5s linear infinite; }
.pedreiro { animation: rodo 16s linear infinite; }

.caminhao-anda { position: absolute; left: 30px; bottom: 0; width: 410px; animation: cena 16s infinite; }
.caminhao { width: 100%; height: auto; display: block; overflow: visible; }
.caminhao .listras { animation: balao 1.4s linear infinite; }
.caminhao .gira { transform-box: fill-box; transform-origin: center; animation: roda 16s linear infinite; }
.caminhao .calha { transform-box: fill-box; transform-origin: left top; animation: calha 16s ease-in-out infinite; }

.jato { /* concreto caindo da calha no cocho da bomba */
  position: absolute; left: 430px; bottom: 54px; width: 7px; height: 22px; border-radius: 3px; z-index: 1;
  background: repeating-linear-gradient(180deg, #8f969f 0 6px, #b9bfc6 6px 12px);
  transform-origin: top; opacity: 0;
  animation: jato 16s linear infinite, escorre .35s linear infinite;
}
.entregue {
  position: absolute; left: 770px; bottom: 150px; z-index: 3; white-space: nowrap;
  font-family: var(--f-titulo); font-weight: 700; font-size: 14px; color: var(--branco);
  background: var(--laranja); padding: 6px 14px; border-radius: 999px; box-shadow: 0 6px 16px -6px rgba(0,0,0,.35);
  opacity: 0; animation: entregue 16s ease-out infinite;
}

@keyframes cena { /* entra de ré pela esquerda e vai embora de frente para a esquerda */
  0%   { transform: translateX(calc(-50vw - 1000px)); animation-timing-function: ease-out; }
  25%  { transform: translateX(0); }
  72%  { transform: translateX(0); animation-timing-function: ease-in; }
  100% { transform: translateX(calc(-50vw - 1000px)); }
}
@keyframes roda { /* rodas param enquanto descarrega */
  0% { transform: rotate(0); } 25% { transform: rotate(1080deg); }
  72% { transform: rotate(1080deg); } 100% { transform: rotate(0); }
}
@keyframes calha {
  0%, 26% { transform: rotate(-38deg) scaleX(.5); } 30%, 66% { transform: rotate(0) scaleX(1); } 70%, 100% { transform: rotate(-38deg) scaleX(.5); }
}
@keyframes jato {
  0%, 30% { opacity: 0; transform: scaleY(0); } 33%, 63% { opacity: 1; transform: scaleY(1); } 66%, 100% { opacity: 0; transform: scaleY(0); }
}
@keyframes escorre { from { background-position: 0 0; } to { background-position: 0 12px; } }
@keyframes fluxo-on { 0%, 33% { opacity: 0; } 36%, 68% { opacity: 1; } 71%, 100% { opacity: 0; } }
@keyframes fluxo { to { stroke-dashoffset: -18; } }
@keyframes laje {
  0%, 36% { transform: scaleX(0); opacity: 1; } 70% { transform: scaleX(1); opacity: 1; }
  95% { transform: scaleX(1); opacity: 1; } 100% { transform: scaleX(1); opacity: 0; }
}
@keyframes entregue {
  0%, 70% { opacity: 0; transform: translateY(8px); } 74%, 93% { opacity: 1; transform: translateY(0); } 98%, 100% { opacity: 0; transform: translateY(0); }
}
@keyframes balao { from { transform: translateX(0); } to { transform: translateX(-46px); } }
@keyframes rodo {
  0%, 34% { transform: translateX(0); }
  36% { transform: translateX(9px); }
  39% { transform: translateX(-9px); }
  42% { transform: translateX(9px); }
  45% { transform: translateX(-9px); }
  48% { transform: translateX(9px); }
  51% { transform: translateX(-9px); }
  54% { transform: translateX(9px); }
  57% { transform: translateX(-9px); }
  60% { transform: translateX(9px); }
  63% { transform: translateX(-9px); }
  66% { transform: translateX(9px); }
  69% { transform: translateX(-9px); }
  73%, 100% { transform: translateX(0); }
}

@media (max-width: 1000px) {
  .estrada { height: 250px; }
  .cena { transform: scale(.75); }
}
@media (max-width: 700px) {
  .estrada { height: 205px; }
  .cena { transform: scale(.5); }
}
@media (max-width: 560px) {
  .hero-preco strong { font-size: 36px; }
  .estrada-texto strong { font-size: 18px; }
}
@media (max-width: 430px) {
  .estrada { height: 195px; }
  .cena { transform: scale(.4); }
}
@media (prefers-reduced-motion: reduce) {
  /* cena parada: betoneira encostada na bomba e laje já concretada */
  .caminhao-anda, .caminhao .listras, .caminhao .gira, .caminhao .calha, .jato, .entregue,
  .laje-concreto, .fluxo, .pedreiro { animation: none; }
  .caminhao .calha { transform: none; }
  .entregue { opacity: 1; }
}