/* Bergo Engenharia — bronze envelhecido com cinza */

:root {
  --bronze: #886841;
  --bronze-claro: #C79A62;
  --bronze-escuro: #75593A;
  --grafite: #23262A;
  --grafite-suave: #2E3237;
  --cinza: #696E74;
  --cinza-claro: #F2F1EE;
  --borda: #DEDDD8;
  --branco: #FFFFFF;

  --fonte: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --raio: 4px;
  --container: 1140px;
  --header-h: 68px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }

body {
  margin: 0;
  font-family: var(--fonte);
  font-size: 17px;
  line-height: 1.65;
  color: var(--grafite);
  background: var(--branco);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { margin: 0 0 .5em; line-height: 1.18; font-weight: 700; letter-spacing: -0.015em; }
h1 { font-size: clamp(2rem, 5vw, 3.15rem); }
h2 { font-size: clamp(1.5rem, 3.2vw, 2.2rem); }
h3 { font-size: 1.2rem; }
h4 { font-size: 1.02rem; font-weight: 600; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

a { color: var(--bronze); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; height: auto; display: block; }

ul { margin: 0 0 1em; padding-left: 1.15em; }
li { margin-bottom: .4em; }

:focus-visible { outline: 2px solid var(--bronze); outline-offset: 2px; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.estreito { max-width: 780px; }
.nowrap { white-space: nowrap; }

.secao { padding: 72px 0; }
.secao-cinza { background: var(--cinza-claro); }
.secao-escura { background: var(--grafite); color: var(--branco); }
.secao-escura h2, .secao-escura h3 { color: var(--branco); }
.secao-escura a { color: var(--bronze-claro); }
.secao-escura a.btn-primario { color: var(--branco); }

.olho {
  display: inline-block;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--bronze);
  margin-bottom: 10px;
}
.secao-escura .olho { color: var(--bronze-claro); }

.apoio { color: var(--cinza); font-size: 1.08rem; max-width: 62ch; }
.secao-escura .apoio { color: #B9BEC4; }

/* Botões */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 24px;
  font: inherit; font-weight: 600; font-size: .97rem;
  border-radius: var(--raio);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background-color .15s, border-color .15s, color .15s;
  min-height: 46px;
}
.btn:hover { text-decoration: none; }
.btn-primario { background: var(--bronze); color: var(--branco); }
.btn-primario:hover { background: var(--bronze-escuro); }
.btn-secundario { background: transparent; color: var(--bronze); border-color: var(--bronze); }
.btn-secundario:hover { background: var(--bronze); color: var(--branco); }
.secao-escura .btn-secundario { color: var(--bronze-claro); border-color: var(--bronze-claro); }
.secao-escura .btn-secundario:hover { background: var(--bronze-claro); color: var(--grafite); }
.btn-pequeno { padding: 9px 16px; min-height: 40px; font-size: .9rem; }

.grupo-btn { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }

/* Cabeçalho.
   Fundo grafite porque o logo da Bergo é dourado sobre escuro: em fundo branco
   o dourado perde contraste e a textura metálica fica encardida. Também emenda
   com o topo escuro do hero, formando um bloco só. */
.header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(35,38,42,.97);
  border-bottom: 1px solid rgba(255,255,255,.1);
  height: var(--header-h);
}
.header-inner { display: flex; align-items: center; gap: 20px; height: var(--header-h); }
.logo { font-weight: 700; font-size: 1.2rem; color: var(--branco); letter-spacing: -.02em; white-space: nowrap; }
.logo:hover { text-decoration: none; }
.logo span { color: var(--bronze-claro); }
.logo small { display: block; font-size: .62rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: #8E959C; margin-top: -4px; }

.nav { margin-left: auto; display: flex; align-items: center; gap: 22px; }
.nav a { color: #C3C8CE; font-size: .92rem; font-weight: 500; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--bronze-claro); text-decoration: none; }
.nav a[aria-current="page"] { font-weight: 600; }

.header .btn-primario { background: var(--bronze-claro); color: var(--grafite); }
.header .btn-primario:hover { background: #D8AE79; }

.menu-btn {
  display: none; margin-left: auto;
  background: none; border: 1px solid rgba(255,255,255,.22); border-radius: var(--raio);
  width: 44px; height: 44px; cursor: pointer; color: var(--branco);
  align-items: center; justify-content: center;
}
.menu-btn svg { width: 22px; height: 22px; }

/* Hero */
.hero { background: var(--grafite); color: var(--branco); padding: 84px 0 76px; position: relative; overflow: hidden; }
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: repeating-linear-gradient(115deg, transparent 0 38px, rgba(199,154,98,.055) 38px 39px);
}
.hero .container { position: relative; z-index: 1; }
.hero h1 { color: var(--branco); max-width: 17ch; }
.hero .apoio { color: #C3C8CE; font-size: 1.13rem; max-width: 56ch; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .78rem; font-weight: 600; letter-spacing: .09em; text-transform: uppercase;
  color: var(--bronze-claro); border: 1px solid rgba(199,154,98,.4);
  padding: 6px 13px; border-radius: 40px; margin-bottom: 22px;
}
.hero-interno { padding: 62px 0 56px; }
.hero-interno h1 { max-width: 20ch; }

/* Barra de prova */
.prova { background: var(--cinza-claro); border-bottom: 1px solid var(--borda); padding: 0; }
.prova-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.prova-item { padding: 26px 24px; border-right: 1px solid var(--borda); }
.prova-item:last-child { border-right: 0; }
.prova-item strong { display: block; font-size: 1.02rem; color: var(--grafite); margin-bottom: 2px; }
.prova-item span { font-size: .89rem; color: var(--cinza); line-height: 1.45; display: block; }

/* Faixa de diferencial — diagnóstico + execução na mesma empresa */
.diferencial {
  background: var(--cinza-claro);
  border-top: 3px solid var(--bronze);
  border-bottom: 1px solid var(--borda);
  padding: 46px 0;
}
.diferencial .container { display: grid; grid-template-columns: auto 1fr; gap: 28px; align-items: center; }
.diferencial .selo {
  width: 62px; height: 62px; border: 2px solid var(--bronze); border-radius: 50%;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.diferencial .selo svg { width: 30px; height: 30px; stroke: var(--bronze); fill: none; stroke-width: 1.6; }
.diferencial p {
  font-size: clamp(1.15rem, 2.4vw, 1.55rem); font-weight: 600; line-height: 1.35;
  color: var(--grafite); letter-spacing: -.01em; max-width: 30ch;
}
.diferencial p em { font-style: normal; color: var(--bronze); }
.diferencial .nota { font-size: .97rem; font-weight: 400; color: var(--cinza); max-width: 52ch; margin-top: 8px; }

/* Normas técnicas */
.normas { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 26px; }
.norma {
  border: 1px solid var(--borda); border-left: 3px solid var(--bronze);
  border-radius: var(--raio); padding: 15px 17px; background: var(--branco);
}
.norma strong { display: block; font-size: .95rem; color: var(--bronze); margin-bottom: 2px; }
.norma span { font-size: .93rem; color: var(--cinza); }
.secao-escura .norma { background: rgba(255,255,255,.04); border-color: rgba(255,255,255,.14); border-left-color: var(--bronze-claro); }
.secao-escura .norma strong { color: var(--bronze-claro); }
.secao-escura .norma span { color: #B9BEC4; }

/* Depoimentos */
.depoimentos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 30px; }
.depoimento {
  border: 1px solid var(--borda); border-radius: var(--raio); padding: 24px;
  background: var(--branco); display: flex; flex-direction: column;
}
.depoimento .estrelas { color: var(--bronze); font-size: .95rem; letter-spacing: .12em; margin-bottom: 10px; }
.depoimento blockquote { margin: 0 0 16px; font-size: .99rem; line-height: 1.6; flex: 1; }
.depoimento blockquote::before { content: "\201C"; }
.depoimento blockquote::after { content: "\201D"; }
.depoimento cite { font-style: normal; font-size: .89rem; color: var(--cinza); }
.depoimento cite strong { display: block; color: var(--grafite); font-size: .95rem; }

/* Logo */
.logo img { height: 46px; width: auto; }
.footer .logo-rodape img { height: 54px; width: auto; margin-bottom: 12px; }

/* Redes sociais */
.sociais { display: flex; gap: 10px; margin-top: 14px; }
.sociais a {
  width: 38px; height: 38px; border: 1px solid rgba(255,255,255,.2); border-radius: var(--raio);
  display: inline-flex; align-items: center; justify-content: center; color: #B9BEC4;
}
.sociais a:hover { border-color: var(--bronze-claro); color: var(--bronze-claro); }
.sociais svg { width: 18px; height: 18px; fill: currentColor; }

/* Grade de serviços */
.grade { display: grid; gap: 16px; grid-template-columns: repeat(3, 1fr); margin-top: 34px; }
.card {
  background: var(--branco); border: 1px solid var(--borda); border-radius: var(--raio);
  padding: 26px 24px; display: flex; flex-direction: column;
  transition: border-color .15s;
}
.secao-cinza .card { background: var(--branco); }
.card:hover { border-color: var(--bronze); }
.card h3 { margin-bottom: 8px; }
.card h3 a { color: var(--grafite); }
.card h3 a:hover { color: var(--bronze); text-decoration: none; }
.card p { color: var(--cinza); font-size: .96rem; flex: 1; }
.card .seta { margin-top: 16px; font-size: .9rem; font-weight: 600; color: var(--bronze); }

.card-destaque {
  grid-column: 1 / -1;
  border-left: 3px solid var(--bronze);
  background: var(--branco);
}
.card-destaque h3 { font-size: 1.45rem; }
.card-destaque p { font-size: 1.03rem; max-width: 68ch; }

/* Lista com marca */
.lista-marca { list-style: none; padding: 0; margin: 0; display: grid; gap: 11px; }
.lista-marca li { position: relative; padding-left: 26px; margin: 0; }
.lista-marca li::before {
  content: ""; position: absolute; left: 0; top: .62em;
  width: 9px; height: 9px; border: 2px solid var(--bronze); border-radius: 1px;
}
.secao-escura .lista-marca li::before { border-color: var(--bronze-claro); }

.duas-colunas { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: start; }

/* Passos */
.passos { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 34px; counter-reset: passo; }
.passos.tres { grid-template-columns: repeat(3, 1fr); }
.passo { border-top: 2px solid var(--borda); padding-top: 18px; counter-increment: passo; }
.passo::before {
  content: counter(passo, decimal-leading-zero);
  display: block; font-size: .95rem; font-weight: 700; color: var(--bronze); margin-bottom: 8px;
}
.passo h3 { margin-bottom: 5px; font-size: 1.02rem; font-weight: 600; }
.passo p { color: var(--cinza); font-size: .94rem; }

/* Blocos de serviço */
.blocos { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px 40px; margin-top: 34px; }
.bloco { border-left: 2px solid var(--borda); padding-left: 20px; }
.bloco h4 { color: var(--bronze); margin-bottom: 6px; }
.bloco p { color: var(--cinza); font-size: .96rem; }

/* FAQ */
.faq { margin-top: 30px; border-top: 1px solid var(--borda); }
.faq details { border-bottom: 1px solid var(--borda); }
.faq summary {
  cursor: pointer; padding: 19px 40px 19px 0; position: relative;
  font-weight: 600; font-size: 1.03rem; list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; position: absolute; right: 8px; top: 50%;
  width: 9px; height: 9px; border-right: 2px solid var(--bronze); border-bottom: 2px solid var(--bronze);
  transform: translateY(-70%) rotate(45deg); transition: transform .18s;
}
.faq details[open] summary::after { transform: translateY(-30%) rotate(-135deg); }
.faq .resposta { padding: 0 40px 20px 0; color: var(--cinza); }

/* CTA final */
.cta { background: var(--grafite); color: var(--branco); padding: 68px 0; text-align: center; }
.cta h2 { color: var(--branco); }
.cta p { color: #C3C8CE; max-width: 54ch; margin: 0 auto 6px; }
.cta .grupo-btn { justify-content: center; }
.cta .numero { display: block; margin-top: 18px; font-size: 1.15rem; font-weight: 600; color: var(--bronze-claro); }
.cta .numero:hover { text-decoration: none; }

/* Rodapé */
.footer { background: var(--grafite-suave); color: #B9BEC4; padding: 54px 0 0; font-size: .93rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 36px; padding-bottom: 40px; }
.footer h3 { color: var(--branco); font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 14px; }
.footer a { color: #B9BEC4; }
.footer a:hover { color: var(--bronze-claro); }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin-bottom: 8px; }
.footer .logo-rodape { font-size: 1.15rem; font-weight: 700; color: var(--branco); margin-bottom: 12px; display: block; }
.footer .logo-rodape span { color: var(--bronze-claro); }
.footer-base {
  border-top: 1px solid rgba(255,255,255,.11); padding: 20px 0 28px;
  display: flex; flex-wrap: wrap; gap: 10px 26px; justify-content: space-between;
  font-size: .86rem; color: #939AA1;
}

/* WhatsApp flutuante */
.zap {
  position: fixed; right: 18px; bottom: 18px; z-index: 70;
  display: inline-flex; align-items: center; gap: 9px;
  background: var(--bronze); color: var(--branco);
  padding: 13px 20px; border-radius: 40px; font-weight: 600; font-size: .94rem;
  box-shadow: 0 3px 14px rgba(35,38,42,.24);
}
.zap:hover { background: var(--bronze-escuro); text-decoration: none; }
.zap svg { width: 20px; height: 20px; fill: currentColor; }

/* Marcação de pendências */
.pendente {
  display: block; position: relative;
  border: 1px dashed var(--bronze); border-radius: var(--raio);
  background: rgba(138,106,67,.055);
  padding: 18px 18px 16px; margin: 14px 0;
  font-size: .93rem; color: var(--bronze-escuro);
}
.pendente::before {
  content: "PENDENTE — falta o cliente informar";
  display: block; font-size: .68rem; font-weight: 700; letter-spacing: .1em;
  text-transform: uppercase; color: var(--bronze); margin-bottom: 7px;
}
.pendente p:last-child { margin-bottom: 0; }
.secao-escura .pendente { background: rgba(199,154,98,.09); color: #E4D3BC; border-color: var(--bronze-claro); }
.secao-escura .pendente::before { color: var(--bronze-claro); }

.pendente-inline {
  background: rgba(138,106,67,.13); border-bottom: 1px dashed var(--bronze);
  padding: 1px 5px; border-radius: 2px; font-size: .93em; color: var(--bronze-escuro); font-weight: 500;
}
.secao-escura .pendente-inline { color: #E4D3BC; background: rgba(199,154,98,.18); }

/* Galeria de obras */
.galeria { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; margin-top: 30px; }
.galeria figure { margin: 0; }
.galeria img {
  width: 100%; aspect-ratio: 4 / 3; object-fit: cover; display: block;
  border: 1px solid var(--borda); border-radius: var(--raio); background: var(--cinza-claro);
}
.galeria figcaption { font-size: .87rem; color: var(--cinza); margin-top: 9px; line-height: 1.45; }
.secao-escura .galeria figcaption { color: #B9BEC4; }
@media (max-width: 900px) { .galeria { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .galeria { grid-template-columns: 1fr; gap: 18px; } }

.foto-vazia {
  border: 1px dashed var(--bronze-claro); border-radius: var(--raio);
  background: rgba(199,154,98,.07);
  min-height: 210px; display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 26px; color: var(--bronze-claro); font-size: .93rem;
}

.painel-revisao {
  position: fixed; left: 18px; bottom: 18px; z-index: 70;
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--grafite); color: var(--branco);
  border: 1px solid rgba(255,255,255,.18); border-radius: 40px;
  padding: 10px 17px; font: inherit; font-size: .85rem; font-weight: 600;
  cursor: pointer; box-shadow: 0 3px 14px rgba(35,38,42,.24);
}
.painel-revisao:hover { background: #34383D; }

body.limpo .pendente,
body.limpo .foto-vazia { display: none; }
body.limpo .pendente-inline { background: none; border-bottom: 0; color: inherit; font-weight: inherit; }

/* Contato */
.info-contato { display: grid; gap: 20px; }
.info-contato .item { border-left: 2px solid var(--bronze); padding-left: 18px; }
.info-contato .item strong { display: block; font-size: .78rem; letter-spacing: .09em; text-transform: uppercase; color: var(--cinza); margin-bottom: 4px; }
.info-contato .item a, .info-contato .item span { font-size: 1.1rem; font-weight: 600; color: var(--grafite); }
.info-contato .item a:hover { color: var(--bronze); }

.form { display: grid; gap: 16px; }
.campo { display: grid; gap: 6px; }
.campo label { font-size: .89rem; font-weight: 600; }
.campo input, .campo select, .campo textarea {
  font: inherit; font-size: 1rem; padding: 12px 13px;
  border: 1px solid var(--borda); border-radius: var(--raio);
  background: var(--branco); color: var(--grafite); width: 100%;
}
.campo textarea { min-height: 130px; resize: vertical; }
.campo input:focus, .campo select:focus, .campo textarea:focus { outline: 2px solid var(--bronze); outline-offset: 0; border-color: var(--bronze); }
.honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.mapa-espaco {
  border: 1px solid var(--borda); border-radius: var(--raio); background: var(--cinza-claro);
  min-height: 240px; display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 26px; color: var(--cinza); font-size: .93rem;
}

.dados-lista { list-style: none; padding: 0; margin: 0; font-size: .96rem; }
.dados-lista li { display: flex; gap: 10px; flex-wrap: wrap; padding: 10px 0; border-bottom: 1px solid var(--borda); margin: 0; }
.dados-lista li strong { min-width: 190px; color: var(--cinza); font-weight: 600; }

code {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: .88em; background: rgba(35,38,42,.07); padding: 1px 5px; border-radius: 3px;
}

/* Responsivo */
@media (max-width: 1120px) and (min-width: 761px) {
  .nav { gap: 17px; }
  .nav a { font-size: .87rem; }
  .nav .btn { display: none; }
}

@media (max-width: 960px) {
  .depoimentos { grid-template-columns: 1fr; }
  .normas { grid-template-columns: 1fr; }
  .diferencial .container { grid-template-columns: 1fr; gap: 18px; }
  .prova-grid { grid-template-columns: repeat(2, 1fr); }
  .prova-item:nth-child(2) { border-right: 0; }
  .prova-item:nth-child(-n+2) { border-bottom: 1px solid var(--borda); }
  .grade { grid-template-columns: repeat(2, 1fr); }
  .passos { grid-template-columns: repeat(2, 1fr); }
  .duas-colunas { grid-template-columns: 1fr; gap: 30px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .menu-btn { display: inline-flex; }
  .nav {
    display: none; position: absolute; top: var(--header-h); left: 0; right: 0;
    background: var(--grafite); border-bottom: 1px solid rgba(255,255,255,.1);
    flex-direction: column; align-items: stretch; gap: 0; padding: 6px 24px 16px;
  }
  .nav.aberto { display: flex; }
  .nav a { padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.08); font-size: 1rem; }
  .nav .btn { margin-top: 12px; border-bottom: 0; }
  .secao { padding: 54px 0; }
  .hero { padding: 60px 0 54px; }
  .grade, .blocos { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .zap { padding: 12px 16px; }
  .zap span { display: none; }
  .painel-revisao { font-size: .8rem; padding: 9px 13px; }
}

@media (max-width: 460px) {
  .prova-grid { grid-template-columns: 1fr; }
  .prova-item { border-right: 0; border-bottom: 1px solid var(--borda); }
  .passos { grid-template-columns: 1fr; }
  .dados-lista li strong { min-width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}