/* ============ Geotécnica Brasil — estilos ============ */
:root {
  --navy: #0b2239;
  --navy-2: #102e4d;
  --azul: #1b75bc;
  --azul-claro: #4da3e0;
  --verde: #76b82a;
  --laranja: #f39200;
  --branco: #ffffff;
  --cinza-fundo: #f3f6f9;
  --cinza-texto: #44525f;
  --titulo: "Montserrat", sans-serif;
  --texto: "Source Sans 3", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--texto);
  color: var(--cinza-texto);
  background: var(--branco);
  line-height: 1.65;
  font-size: 17px;
}
img { max-width: 100%; display: block; }
a { color: var(--azul); }

.container { width: min(1140px, 92%); margin: 0 auto; }

/* traço da marca: verde | laranja | azul */
.traco {
  height: 4px;
  background: linear-gradient(90deg,
    var(--verde) 0 18%, var(--laranja) 18% 55%, var(--azul) 55% 88%, var(--verde) 88% 100%);
}

/* ============ botões ============ */
.btn {
  display: inline-block;
  font-family: var(--titulo);
  font-weight: 700;
  font-size: 15px;
  padding: 13px 26px;
  border-radius: 6px;
  text-decoration: none;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-laranja { background: var(--laranja); color: #fff; box-shadow: 0 6px 18px rgba(243, 146, 0, .35); }
.btn-laranja:hover { background: #ffa31a; }
.btn-contorno { border: 2px solid rgba(255,255,255,.7); color: #fff; }
.btn-contorno:hover { border-color: #fff; background: rgba(255,255,255,.08); }

/* ============ topo ============ */
.topo {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  background: rgba(11, 34, 57, .92);
  backdrop-filter: blur(8px);
}
.topo-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.topo-logo img { height: 40px; width: auto; }
.menu { display: flex; align-items: center; gap: 26px; }
.menu a:not(.btn) {
  color: #d7e3ee;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  transition: color .15s;
}
.menu a:not(.btn):hover { color: #fff; }
.menu .menu-cta { padding: 10px 20px; }
.menu-burger { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.menu-burger span {
  display: block; width: 26px; height: 3px; margin: 5px 0;
  background: #fff; border-radius: 2px; transition: .25s;
}

/* ============ hero ============ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  color: #fff;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center 35%;
}
.hero-bg::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(11,34,57,.95) 0%, rgba(11,34,57,.82) 45%, rgba(11,34,57,.55) 100%);
}
.hero-conteudo { position: relative; z-index: 1; padding: 140px 0 80px; }
.hero-chapeu {
  font-family: var(--titulo);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--laranja);
  margin-bottom: 18px;
}
.hero h1 {
  font-family: var(--titulo);
  font-weight: 800;
  font-size: clamp(34px, 5.4vw, 58px);
  line-height: 1.12;
  max-width: 14em;
}
.hero h1 span { color: var(--azul-claro); }
.hero-sub {
  margin: 22px 0 32px;
  max-width: 36em;
  font-size: clamp(17px, 2vw, 20px);
  color: #cfe0ef;
}
.hero-botoes { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-numeros {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 14px 56px;
  margin-top: 64px;
}
.hero-numeros strong {
  display: block;
  font-family: var(--titulo);
  font-weight: 800;
  font-size: 30px;
  color: #fff;
}
.hero-numeros span { font-size: 14px; color: #b7cbdd; line-height: 1.35; display: block; }

/* ============ seções ============ */
.secao { padding: 92px 0; }
.secao-cinza { background: var(--cinza-fundo); }
.secao-escura { background: var(--navy); color: #d9e5f0; }
.chapeu {
  font-family: var(--titulo);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--laranja);
  margin-bottom: 10px;
}
.chapeu-claro { color: var(--verde); }
.secao h2 {
  font-family: var(--titulo);
  font-weight: 800;
  font-size: clamp(28px, 3.6vw, 40px);
  color: var(--navy);
  line-height: 1.15;
  margin-bottom: 34px;
}
.secao-escura h2 { color: #fff; }
.secao-sub { margin: -22px 0 34px; color: #7b8794; font-size: 17px; }
.secao-sub strong { color: var(--navy); }

/* ============ sobre ============ */
.sobre-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 48px;
  align-items: center;
}
.sobre-texto p + p { margin-top: 16px; }
.sobre-foto img { border-radius: 12px; box-shadow: 0 18px 40px rgba(11,34,57,.18); }
.sobre-foto figcaption { font-size: 14px; color: #7b8794; margin-top: 10px; text-align: center; }
.mvv {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}
.mvv-card {
  background: var(--cinza-fundo);
  border-top: 4px solid var(--azul);
  border-radius: 10px;
  padding: 28px 26px;
}
.mvv-card:nth-child(2) { border-top-color: var(--laranja); }
.mvv-card:nth-child(3) { border-top-color: var(--verde); }
.mvv-card h3 {
  font-family: var(--titulo);
  font-weight: 700;
  font-size: 20px;
  color: var(--navy);
  margin-bottom: 12px;
}
.mvv-card ul { list-style: none; }
.mvv-card li { padding: 4px 0; font-size: 15.5px; }
.mvv-card li strong { color: var(--navy); }

/* ============ serviço em destaque (CPT) ============ */
.servico-destaque {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--navy);
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 32px;
  box-shadow: 0 18px 44px rgba(11,34,57,.22);
}
.servico-destaque-fotos {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
}
.servico-destaque-fotos img {
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
  object-position: center;
}
.servico-destaque-texto { padding: 40px 38px; color: #d9e5f0; }
.servico-destaque-texto h3 {
  font-family: var(--titulo);
  font-weight: 800;
  font-size: clamp(21px, 2.4vw, 28px);
  color: #fff;
  line-height: 1.2;
  margin-bottom: 14px;
}
.servico-destaque-texto strong { color: #fff; }
.cpt-vantagens { list-style: none; margin-top: 20px; }
.cpt-vantagens li {
  position: relative;
  padding: 7px 0 7px 30px;
  font-size: 15.5px;
}
.cpt-vantagens li::before {
  content: "";
  position: absolute;
  left: 0; top: 13px;
  width: 16px; height: 9px;
  border-left: 3px solid var(--verde);
  border-bottom: 3px solid var(--verde);
  transform: rotate(-45deg) scale(.85);
}

/* ============ serviços ============ */
.servicos-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.servico {
  background: #fff;
  border-radius: 12px;
  padding: 28px 24px;
  box-shadow: 0 4px 16px rgba(11,34,57,.06);
  transition: transform .18s ease, box-shadow .18s ease;
}
.servico:hover { transform: translateY(-5px); box-shadow: 0 14px 30px rgba(11,34,57,.12); }
.servico-icone {
  width: 54px; height: 54px;
  border-radius: 12px;
  display: grid; place-items: center;
  margin-bottom: 18px;
}
.servico-icone svg { width: 28px; height: 28px; }
.icone-azul { background: rgba(27,117,188,.12); color: var(--azul); }
.icone-verde { background: rgba(118,184,42,.14); color: #5d9420; }
.icone-laranja { background: rgba(243,146,0,.13); color: #d97f00; }
.servico h3 {
  font-family: var(--titulo);
  font-weight: 700;
  font-size: 17px;
  color: var(--navy);
  line-height: 1.3;
  margin-bottom: 10px;
}
.servico p { font-size: 15px; }

/* ============ obras em destaque ============ */
.obra-destaque {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 0;
  background: var(--navy);
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 40px;
  box-shadow: 0 18px 44px rgba(11,34,57,.22);
}
.obra-destaque-foto { position: relative; min-height: 320px; }
.obra-destaque-foto img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}
.obra-destaque-foto figcaption {
  position: absolute;
  left: 0; bottom: 0;
  padding: 6px 12px;
  font-size: 11px;
  color: rgba(255,255,255,.75);
  background: rgba(11,34,57,.6);
  border-top-right-radius: 8px;
}
.obra-destaque-texto { padding: 40px 38px; color: #d9e5f0; }
.obra-tag {
  display: inline-block;
  font-family: var(--titulo);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--navy);
  background: var(--laranja);
  padding: 5px 12px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.obra-destaque-texto h3 {
  font-family: var(--titulo);
  font-weight: 800;
  font-size: clamp(22px, 2.6vw, 30px);
  color: #fff;
  line-height: 1.2;
  margin-bottom: 14px;
}
.obra-destaque-texto strong { color: #fff; }
.obra-destaque-numeros {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 36px;
  margin-top: 24px;
}
.obra-destaque-numeros strong {
  display: block;
  font-family: var(--titulo);
  font-weight: 800;
  font-size: 26px;
  color: var(--azul-claro);
}
.obra-destaque-numeros span { font-size: 13.5px; color: #9fb4c8; }

.obras-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.obra-card {
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 4px 16px rgba(11,34,57,.08);
  transition: transform .18s ease, box-shadow .18s ease;
}
.obra-card:hover { transform: translateY(-5px); box-shadow: 0 14px 30px rgba(11,34,57,.14); }
.obra-card img {
  width: 100%;
  height: 190px;
  object-fit: cover;
}
.obra-card figcaption { padding: 14px 16px 16px; }
.obra-card figcaption strong {
  display: block;
  font-family: var(--titulo);
  font-weight: 700;
  font-size: 14.5px;
  color: var(--navy);
  line-height: 1.35;
}
.obra-card figcaption small {
  display: block;
  margin-top: 6px;
  font-size: 11px;
  color: #9aa8b5;
}
.obras-mais {
  margin-top: 30px;
  text-align: center;
  color: #7b8794;
  font-size: 16px;
}
.obras-mais strong { color: var(--navy); }

/* ============ qualidade ============ */
.qualidade-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 48px;
  align-items: center;
}
.qualidade-intro { font-size: 18px; }
.qualidade-lista { margin: 20px 0 20px 2px; list-style: none; }
.qualidade-lista li {
  padding: 8px 0 8px 34px;
  position: relative;
}
.qualidade-lista li::before {
  content: "";
  position: absolute;
  left: 0; top: 14px;
  width: 18px; height: 10px;
  border-left: 3px solid var(--verde);
  border-bottom: 3px solid var(--verde);
  transform: rotate(-45deg) scale(.85);
}
.qualidade-base { color: #9fb4c8; font-style: italic; }
.qualidade-selos { display: grid; gap: 18px; }
.selo-iso {
  background: var(--navy-2);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 14px;
  padding: 32px;
  text-align: center;
  color: #fff;
}
.selo-icone { width: 60px; height: 60px; color: var(--verde); margin: 0 auto 14px; }
.selo-iso strong {
  display: block;
  font-family: var(--titulo);
  font-weight: 800;
  font-size: 30px;
  margin-bottom: 8px;
}
.selo-iso span { color: #b7cbdd; font-size: 15px; line-height: 1.5; }
.selo-pbqph .selo-icone { color: var(--laranja); }

/* ============ galeria ============ */
.galeria-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 220px;
  gap: 14px;
}
.galeria-grid figure {
  position: relative;
  overflow: hidden;
  border-radius: 10px;
}
.galeria-grid figure[data-grande] { grid-row: span 2; }
.galeria-grid img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .35s ease;
}
.galeria-grid figure:hover img { transform: scale(1.06); }
.galeria-grid figcaption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 26px 14px 12px;
  font-size: 13.5px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(transparent, rgba(11,34,57,.85));
}

/* proteção das fotos (galeria, obras e serviços) */
.galeria-grid img, .obras-grid img, .obra-destaque-foto img, .sobre-foto img,
.servico-destaque-fotos img {
  -webkit-user-drag: none;
  user-select: none;
  -webkit-user-select: none;
}

/* ============ clientes ============ */
.clientes-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
}
.cliente {
  background: #fff;
  border-radius: 10px;
  min-height: 110px;
  display: grid;
  place-items: center;
  padding: 18px 22px;
  box-shadow: 0 3px 12px rgba(11,34,57,.05);
  transition: transform .15s ease, box-shadow .15s ease;
}
.cliente:hover { transform: translateY(-3px); box-shadow: 0 10px 22px rgba(11,34,57,.1); }
.cliente img {
  max-height: 64px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  filter: grayscale(1);
  opacity: .75;
  transition: filter .2s, opacity .2s;
}
.cliente:hover img { filter: none; opacity: 1; }

/* ============ contato ============ */
.contato-sub { margin: -16px 0 36px; color: #b7cbdd; font-size: 18px; }
.contato-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.contato-card {
  background: var(--navy-2);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 14px;
  padding: 30px 24px;
  text-align: center;
  text-decoration: none;
  color: #d9e5f0;
  transition: transform .15s ease, border-color .15s ease, background .15s ease;
}
a.contato-card:hover { transform: translateY(-4px); border-color: var(--verde); background: #13395f; }
.contato-card svg { width: 38px; height: 38px; margin: 0 auto 14px; color: var(--verde); display: block; }
.contato-card strong {
  display: block;
  font-family: var(--titulo);
  font-size: 17px;
  color: #fff;
  margin-bottom: 6px;
}
.contato-card span { font-size: 15px; word-break: break-word; }
.contato-feedback { margin-top: 36px; text-align: center; color: #9fb4c8; font-size: 15.5px; }
.contato-feedback a { color: var(--verde); font-weight: 600; }

/* ============ rodapé ============ */
.rodape { background: #081827; color: #8fa6ba; text-align: center; }
.rodape-inner { padding: 44px 0 36px; }
.rodape-logo { height: 44px; width: auto; margin: 0 auto 18px; }
.rodape p { font-size: 14.5px; }
.rodape-iso { color: #6f8aa1; margin-top: 4px; }
.rodape-copy { margin-top: 16px; font-size: 13px; color: #5c7790; }

/* ============ whatsapp flutuante ============ */
.zap-flutuante {
  position: fixed;
  right: 22px; bottom: 22px;
  z-index: 60;
  width: 58px; height: 58px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  display: grid; place-items: center;
  box-shadow: 0 10px 26px rgba(37, 211, 102, .45);
  transition: transform .15s ease;
}
.zap-flutuante:hover { transform: scale(1.08); }
.zap-flutuante svg { width: 32px; height: 32px; }

/* ============ animação de entrada ============ */
.revelar { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.revelar.visivel { opacity: 1; transform: none; }

/* ============ responsivo ============ */
@media (max-width: 980px) {
  .servicos-grid { grid-template-columns: repeat(2, 1fr); }
  .clientes-grid { grid-template-columns: repeat(3, 1fr); }
  .galeria-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 200px; }
  .contato-grid { grid-template-columns: repeat(2, 1fr); }
  .sobre-grid, .qualidade-grid { grid-template-columns: 1fr; }
  .mvv { grid-template-columns: 1fr; }
  .sobre-foto { max-width: 560px; margin: 0 auto; }
  .obra-destaque { grid-template-columns: 1fr; }
  .obra-destaque-foto { min-height: 260px; }
  .servico-destaque { grid-template-columns: 1fr; }
  .servico-destaque-fotos img { min-height: 240px; }
  .obras-grid { grid-template-columns: repeat(2, 1fr); }
  .qualidade-selos { grid-template-columns: repeat(2, 1fr); }
  .menu {
    position: fixed;
    top: 76px; right: 4%;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
    background: var(--navy-2);
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 12px;
    padding: 18px 22px;
    box-shadow: 0 18px 40px rgba(0,0,0,.4);
    display: none;
  }
  .menu.aberto { display: flex; }
  .menu a:not(.btn) { padding: 8px 0; font-size: 16px; }
  .menu .menu-cta { margin-top: 10px; }
  .menu-burger { display: block; }
}

@media (max-width: 720px) {
  body { font-size: 16px; }
  .secao { padding: 64px 0; }
  .hero-conteudo { padding: 120px 0 64px; }
  .hero-numeros { gap: 18px 32px; margin-top: 44px; }
  .hero-numeros strong { font-size: 24px; }
  .servicos-grid { grid-template-columns: 1fr; }
  .servico-destaque-fotos { grid-template-columns: 1fr 1fr; }
  .servico-destaque-fotos img { min-height: 0; height: 200px; }
  .servico-destaque-texto { padding: 26px 22px; }
  .clientes-grid { grid-template-columns: repeat(2, 1fr); }
  .galeria-grid { grid-template-columns: 1fr; grid-auto-rows: 240px; }
  .galeria-grid figure[data-grande] { grid-row: span 1; }
  .contato-grid { grid-template-columns: 1fr; }
  .obras-grid { grid-template-columns: 1fr; }
  .obra-card img { height: 200px; }
  .obra-destaque-texto { padding: 28px 24px; }
  .qualidade-selos { grid-template-columns: 1fr; }
}