/* =========================================================
   Arte Serra — Pintura & Acabamentos Decorativos
   Folha de estilos principal
   ========================================================= */

:root {
  /* Paleta baseada na identidade visual da Arte Serra */
  --verde-900: #0b3d1c;
  --verde-800: #0f4a24;
  --verde-700: #15612f;
  --verde-600: #1c7a3b;
  --verde-500: #2f9650;
  --verde-100: #e7f3ea;
  --verde-050: #f3f8f4;

  --ocre-600: #c1712f;
  --ocre-500: #d68a45;

  --carvao-900: #1b1c19;
  --carvao-700: #34362f;
  --carvao-500: #5b5d54;
  --carvao-300: #8b8d84;

  --areia-050: #faf8f4;
  --areia-100: #f3efe6;
  --branco: #ffffff;

  --sombra-sm: 0 2px 10px rgba(27, 28, 25, 0.08);
  --sombra-md: 0 10px 30px rgba(27, 28, 25, 0.12);
  --sombra-lg: 0 24px 60px rgba(11, 61, 28, 0.22);

  --raio-sm: 8px;
  --raio-md: 14px;
  --raio-lg: 22px;

  --fonte-titulo: "Poppins", "Segoe UI", sans-serif;
  --fonte-corpo: "Inter", "Segoe UI", sans-serif;

  --largura-max: 1180px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body, h1, h2, h3, h4, p, figure, blockquote { margin: 0; }
ul { list-style: none; margin: 0; padding: 0; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font: inherit; cursor: pointer; }
input, textarea, select { font: inherit; }

body {
  font-family: var(--fonte-corpo);
  color: var(--carvao-900);
  background: var(--areia-050);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--fonte-titulo);
  color: var(--verde-900);
  line-height: 1.2;
  font-weight: 600;
}

.container {
  width: 100%;
  max-width: var(--largura-max);
  margin: 0 auto;
  padding: 0 24px;
}

section { position: relative; }

.secao {
  padding: 96px 0;
}
@media (max-width: 720px) {
  .secao { padding: 64px 0; }
}

.cabecalho-secao {
  max-width: 640px;
  margin: 0 auto 56px;
  text-align: center;
}
.cabecalho-secao.alinhar-esquerda {
  margin: 0 0 48px;
  text-align: left;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--fonte-titulo);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--verde-600);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--ocre-500);
  display: inline-block;
}

.cabecalho-secao h2 {
  font-size: clamp(1.7rem, 3.2vw, 2.5rem);
  margin-bottom: 14px;
}
.cabecalho-secao p {
  color: var(--carvao-500);
  font-size: 1.05rem;
}

/* ---------- Botões ---------- */
.botao {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 100px;
  font-family: var(--fonte-titulo);
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, color 0.25s ease;
  white-space: nowrap;
}
.botao svg { width: 18px; height: 18px; flex-shrink: 0; }
.botao-primario {
  background: var(--verde-600);
  color: var(--branco);
  box-shadow: var(--sombra-sm);
}
.botao-primario:hover {
  background: var(--verde-700);
  transform: translateY(-2px);
  box-shadow: var(--sombra-md);
}
.botao-whatsapp {
  background: #25d366;
  color: #06351c;
}
.botao-whatsapp:hover {
  background: #1fb956;
  transform: translateY(-2px);
  box-shadow: var(--sombra-md);
}
.botao-fantasma {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.55);
  color: var(--branco);
}
.botao-fantasma:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--branco);
}
.botao-contorno {
  background: transparent;
  border-color: var(--verde-600);
  color: var(--verde-700);
}
.botao-contorno:hover {
  background: var(--verde-600);
  color: var(--branco);
}
.botao-bloco { width: 100%; }

/* ---------- Header ---------- */
.cabecalho {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 500;
  padding: 18px 0;
  transition: background 0.35s ease, box-shadow 0.35s ease, padding 0.35s ease;
}
.cabecalho .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.cabecalho.rolado {
  background: rgba(250, 248, 244, 0.94);
  backdrop-filter: blur(10px);
  box-shadow: var(--sombra-sm);
  padding: 10px 0;
}

.marca { display: flex; align-items: center; flex-shrink: 0; }
.marca img { height: 56px; width: auto; max-width: none; flex-shrink: 0; transition: filter 0.3s ease; }
.cabecalho:not(.rolado) .marca img.logo-clara { display: block; }
.cabecalho:not(.rolado) .marca img.logo-escura { display: none; }
.cabecalho.rolado .marca img.logo-clara { display: none; }
.cabecalho.rolado .marca img.logo-escura { display: block; }

.nav-principal {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-principal a {
  padding: 10px 16px;
  font-family: var(--fonte-titulo);
  font-size: 0.92rem;
  font-weight: 500;
  border-radius: 100px;
  transition: background 0.25s ease, color 0.25s ease;
  color: var(--branco);
}
.cabecalho.rolado .nav-principal a { color: var(--carvao-700); }
.nav-principal a:hover { background: rgba(255,255,255,0.15); }
.cabecalho.rolado .nav-principal a:hover { background: var(--verde-100); color: var(--verde-800); }
.nav-principal a.ativo { color: var(--branco); background: rgba(255,255,255,0.18); }
.cabecalho.rolado .nav-principal a.ativo { color: var(--verde-800); background: var(--verde-100); }

.cabecalho-acoes { display: flex; align-items: center; gap: 12px; }
.telefone-cabecalho {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--fonte-titulo);
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--branco);
}
.cabecalho.rolado .telefone-cabecalho { color: var(--carvao-700); }
.telefone-cabecalho svg { width: 17px; height: 17px; color: var(--ocre-500); }

.botao-menu {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
  z-index: 600;
  flex-shrink: 0;
}
.botao-menu span {
  width: 24px;
  height: 2px;
  background: var(--branco);
  transition: all 0.3s ease;
}
.cabecalho.rolado .botao-menu span { background: var(--carvao-900); }
.botao-menu.aberto span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.botao-menu.aberto span:nth-child(2) { opacity: 0; }
.botao-menu.aberto span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.cabecalho.menu-aberto .botao-menu span { background: var(--carvao-900); }

.menu-mobile,
.fundo-menu { display: none; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  color: var(--branco);
  overflow: hidden;
}
.hero-fundo {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(180deg, rgba(9, 33, 17, 0.72) 0%, rgba(9, 33, 17, 0.55) 45%, rgba(9, 24, 14, 0.92) 100%),
    url("../img/galeria/hero-casa-piscina.jpg");
  background-size: cover;
  background-position: center 65%;
  transform: scale(1.06);
}
.hero .hero-conteudo {
  position: relative;
  z-index: 2;
  padding-top: 110px;
  padding-bottom: 90px;
  max-width: 700px;
}
.hero-selo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.35);
  padding: 8px 18px 8px 8px;
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 26px;
  backdrop-filter: blur(4px);
}
.hero-selo .numero {
  background: var(--ocre-500);
  color: var(--verde-900);
  border-radius: 100px;
  padding: 4px 12px;
  font-family: var(--fonte-titulo);
  font-weight: 700;
}
.hero h1 {
  color: var(--branco);
  font-size: clamp(2.3rem, 5vw, 3.6rem);
  font-weight: 600;
  margin-bottom: 22px;
  letter-spacing: -0.01em;
}
.hero h1 em {
  font-style: normal;
  color: var(--ocre-500);
}
.hero p.lead {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.88);
  max-width: 560px;
  margin-bottom: 36px;
}
.hero-acoes {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 56px;
}

.hero-tecnicas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.22);
}
.hero-tecnicas span {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.85);
}
.hero-tecnicas span::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ocre-500);
}

.scroll-indicador {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  animation: flutuar 2.4s ease-in-out infinite;
}
.scroll-indicador svg { width: 18px; height: 18px; }
@keyframes flutuar {
  0%, 100% { transform: translate(-50%, 0); }
  50% { transform: translate(-50%, 8px); }
}

/* ---------- Faixa de destaques ---------- */
.faixa-destaques {
  background: var(--verde-900);
  color: var(--branco);
  padding: 30px 0;
}
.faixa-destaques .container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.destaque-item {
  display: flex;
  align-items: center;
  gap: 14px;
}
.destaque-item svg {
  width: 30px;
  height: 30px;
  color: var(--ocre-500);
  flex-shrink: 0;
}
.destaque-item strong {
  display: block;
  font-family: var(--fonte-titulo);
  font-size: 0.95rem;
  font-weight: 600;
}
.destaque-item span {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.7);
}
@media (max-width: 900px) {
  .faixa-destaques .container { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .faixa-destaques .container { grid-template-columns: 1fr; }
}

/* ---------- Empresa ---------- */
.secao-empresa .container {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: center;
}
.empresa-galeria {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.empresa-galeria img {
  border-radius: var(--raio-md);
  object-fit: cover;
  width: 100%;
  height: 100%;
  box-shadow: var(--sombra-md);
}
.empresa-galeria .img-alta { grid-row: span 2; height: 100%; aspect-ratio: 3/4; }
.empresa-galeria .img-baixa { aspect-ratio: 4/3; }
.empresa-selo-flutuante {
  position: absolute;
  bottom: -22px;
  right: -18px;
  background: var(--branco);
  border-radius: var(--raio-md);
  box-shadow: var(--sombra-lg);
  padding: 18px 22px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.empresa-selo-flutuante .num {
  font-family: var(--fonte-titulo);
  font-size: 2rem;
  font-weight: 700;
  color: var(--verde-700);
  line-height: 1;
}
.empresa-selo-flutuante .txt {
  font-size: 0.78rem;
  color: var(--carvao-500);
  max-width: 100px;
  line-height: 1.3;
}

.empresa-texto .eyebrow { margin-bottom: 14px; }
.empresa-texto h2 {
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  margin-bottom: 22px;
}
.empresa-texto p { color: var(--carvao-500); margin-bottom: 18px; font-size: 1.03rem; }
.empresa-lista {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin: 28px 0 34px;
}
.empresa-lista li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--carvao-700);
}
.empresa-lista svg {
  width: 20px;
  height: 20px;
  color: var(--verde-600);
  flex-shrink: 0;
  margin-top: 1px;
}

/* ---------- Serviços ---------- */
.secao-servicos { background: var(--verde-050); }
.grade-servicos {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.cartao-servico {
  background: var(--branco);
  border-radius: var(--raio-lg);
  padding: 34px 28px;
  box-shadow: var(--sombra-sm);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid rgba(11, 61, 28, 0.06);
}
.cartao-servico:hover {
  transform: translateY(-6px);
  box-shadow: var(--sombra-md);
}
.icone-servico {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--verde-100);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.icone-servico svg { width: 28px; height: 28px; color: var(--verde-700); }
.cartao-servico h3 {
  font-size: 1.12rem;
  margin-bottom: 10px;
}
.cartao-servico p {
  color: var(--carvao-500);
  font-size: 0.93rem;
}

.servicos-cta {
  margin-top: 48px;
  padding: 36px 40px;
  border-radius: var(--raio-lg);
  background: var(--verde-900);
  color: var(--branco);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.servicos-cta h3 { color: var(--branco); font-size: 1.25rem; margin-bottom: 6px; }
.servicos-cta p { color: rgba(255,255,255,0.75); font-size: 0.95rem; }

/* ---------- Galeria ---------- */
.filtros-galeria {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 44px;
}
.filtro-btn {
  background: var(--branco);
  border: 1px solid rgba(11, 61, 28, 0.16);
  padding: 10px 20px;
  border-radius: 100px;
  font-family: var(--fonte-titulo);
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--carvao-700);
  transition: all 0.25s ease;
}
.filtro-btn:hover { border-color: var(--verde-600); color: var(--verde-700); }
.filtro-btn.ativo {
  background: var(--verde-700);
  border-color: var(--verde-700);
  color: var(--branco);
}

.grade-galeria {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 230px;
  gap: 18px;
}
.item-galeria {
  position: relative;
  border-radius: var(--raio-md);
  overflow: hidden;
  cursor: pointer;
  box-shadow: var(--sombra-sm);
}
.item-galeria.grande { grid-column: span 2; grid-row: span 2; }
.item-galeria img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.item-galeria:hover img { transform: scale(1.08); }
.item-galeria .camada {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(11,20,13,0.82) 0%, rgba(11,20,13,0) 55%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 18px;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.item-galeria:hover .camada { opacity: 1; }
.item-galeria .categoria {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ocre-500);
  font-weight: 600;
  margin-bottom: 4px;
}
.item-galeria .titulo {
  color: var(--branco);
  font-family: var(--fonte-titulo);
  font-size: 0.98rem;
  font-weight: 500;
}
.item-galeria .icone-zoom {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.item-galeria:hover .icone-zoom { opacity: 1; }
.item-galeria .icone-zoom svg { width: 16px; height: 16px; color: var(--branco); }

.galeria-rodape {
  margin-top: 40px;
  text-align: center;
  color: var(--carvao-500);
  font-size: 0.92rem;
}
.galeria-rodape a { color: var(--verde-700); font-weight: 600; }

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(9, 15, 10, 0.94);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease;
  padding: 24px;
}
.lightbox.ativo { opacity: 1; visibility: visible; }
.lightbox-conteudo { max-width: 900px; width: 100%; text-align: center; }
.lightbox-conteudo img {
  max-height: 76vh;
  margin: 0 auto;
  border-radius: var(--raio-md);
  box-shadow: var(--sombra-lg);
}
.lightbox-legenda {
  color: var(--branco);
  margin-top: 18px;
  font-family: var(--fonte-titulo);
}
.lightbox-legenda .categoria { color: var(--ocre-500); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; display: block; margin-bottom: 4px; }
.lightbox-fechar, .lightbox-nav {
  position: absolute;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.3);
  color: var(--branco);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.25s ease;
}
.lightbox-fechar:hover, .lightbox-nav:hover { background: rgba(255,255,255,0.25); }
.lightbox-fechar { top: 24px; right: 24px; }
.lightbox-fechar svg, .lightbox-nav svg { width: 20px; height: 20px; }
.lightbox-nav.anterior { left: 24px; top: 50%; transform: translateY(-50%); }
.lightbox-nav.proximo { right: 24px; top: 50%; transform: translateY(-50%); }

/* ---------- Contato ---------- */
.secao-contato { background: var(--verde-900); color: var(--branco); }
.secao-contato .cabecalho-secao p { color: rgba(255,255,255,0.72); }
.secao-contato .eyebrow { color: var(--ocre-500); }
.secao-contato .cabecalho-secao h2 { color: var(--branco); }

.grade-contato {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 48px;
  align-items: start;
}

.cartoes-contato {
  display: grid;
  gap: 16px;
  margin-bottom: 28px;
}
.cartao-contato {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  padding: 20px;
  border-radius: var(--raio-md);
  transition: background 0.25s ease;
}
.cartao-contato:hover { background: rgba(255,255,255,0.1); }
.cartao-contato .icone {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(255,255,255,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.cartao-contato .icone svg { width: 21px; height: 21px; color: var(--ocre-500); }
.cartao-contato h4 { color: var(--branco); font-size: 0.95rem; margin-bottom: 4px; }
.cartao-contato p, .cartao-contato a { color: rgba(255,255,255,0.75); font-size: 0.92rem; }
.cartao-contato a:hover { color: var(--branco); }

.mapa-wrapper {
  border-radius: var(--raio-md);
  overflow: hidden;
  height: 220px;
  filter: grayscale(0.3) contrast(1.05);
  border: 1px solid rgba(255,255,255,0.14);
}
.mapa-wrapper iframe { width: 100%; height: 100%; border: 0; }

.formulario-contato {
  background: var(--branco);
  border-radius: var(--raio-lg);
  padding: 40px;
  box-shadow: var(--sombra-lg);
}
.formulario-contato h3 { font-size: 1.2rem; margin-bottom: 6px; }
.formulario-contato > p { color: var(--carvao-500); font-size: 0.92rem; margin-bottom: 26px; }

.campo { margin-bottom: 18px; }
.campo label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--carvao-700);
  margin-bottom: 7px;
  font-family: var(--fonte-titulo);
}
.campo input, .campo textarea, .campo select {
  width: 100%;
  padding: 13px 16px;
  border-radius: var(--raio-sm);
  border: 1.5px solid #e4e1d8;
  background: var(--areia-050);
  color: var(--carvao-900);
  transition: border-color 0.2s ease, background 0.2s ease;
}
.campo input:focus, .campo textarea:focus, .campo select:focus {
  outline: none;
  border-color: var(--verde-600);
  background: var(--branco);
}
.campo textarea { resize: vertical; min-height: 110px; }
.linha-campos { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.nota-formulario {
  font-size: 0.78rem;
  color: var(--carvao-300);
  margin-top: 14px;
  text-align: center;
}

/* ---------- Rodapé ---------- */
.rodape {
  background: var(--areia-100);
  padding: 64px 0 0;
}
.rodape-grade {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1.1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(11,61,28,0.12);
}
.rodape-marca img { height: 52px; margin-bottom: 16px; }
.rodape-marca p { color: var(--carvao-500); font-size: 0.9rem; max-width: 280px; }
.rodape-social {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}
.rodape-social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--verde-100);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.25s ease;
}
.rodape-social a:hover { background: var(--verde-600); }
.rodape-social a:hover svg { color: var(--branco); }
.rodape-social svg { width: 16px; height: 16px; color: var(--verde-700); }

.rodape h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 20px;
  color: var(--carvao-900);
}
.rodape ul li { margin-bottom: 12px; }
.rodape ul a, .rodape ul span {
  color: var(--carvao-500);
  font-size: 0.92rem;
  transition: color 0.2s ease;
}
.rodape ul a:hover { color: var(--verde-700); }
.rodape ul li { display: flex; align-items: flex-start; gap: 8px; }
.rodape ul svg { width: 16px; height: 16px; color: var(--verde-600); margin-top: 3px; flex-shrink: 0; }

.rodape-baixo {
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.82rem;
  color: var(--carvao-300);
}
.rodape-baixo a { color: var(--carvao-500); font-weight: 600; }
.rodape-baixo a:hover { color: var(--verde-700); }

/* ---------- Botão flutuante WhatsApp + topo ---------- */
.flutuantes {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 400;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.whatsapp-flutuante {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25d366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--sombra-lg);
  animation: pulso 2.6s ease-in-out infinite;
}
.whatsapp-flutuante svg { width: 28px; height: 28px; color: #ffffff; }
@keyframes pulso {
  0%, 100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.45), var(--sombra-lg); }
  50% { box-shadow: 0 0 0 12px rgba(37, 211, 102, 0), var(--sombra-lg); }
}
.topo-flutuante {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--branco);
  border: 1px solid rgba(11,61,28,0.14);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--sombra-sm);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s ease;
}
.topo-flutuante.visivel { opacity: 1; visibility: visible; transform: translateY(0); }
.topo-flutuante svg { width: 18px; height: 18px; color: var(--verde-700); }

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visivel { opacity: 1; transform: translateY(0); }
.reveal-atraso-1 { transition-delay: 0.1s; }
.reveal-atraso-2 { transition-delay: 0.2s; }
.reveal-atraso-3 { transition-delay: 0.3s; }

/* =========================================================
   Responsivo
   ========================================================= */
@media (max-width: 1024px) {
  .secao-empresa .container { grid-template-columns: 1fr; gap: 48px; }
  .empresa-galeria { max-width: 480px; margin: 0 auto; }
  .grade-servicos { grid-template-columns: repeat(2, 1fr); }
  .grade-galeria { grid-template-columns: repeat(3, 1fr); grid-auto-rows: 200px; }
  .grade-contato { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .nav-principal { display: none; }
  .botao-menu { display: flex; }
  .telefone-cabecalho { display: none; }

  .cabecalho-acoes .botao-primario { padding: 11px 18px; font-size: 0.85rem; }

  .menu-mobile {
    display: flex;
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: min(320px, 82vw);
    background: var(--branco);
    z-index: 550;
    padding: 100px 32px 32px;
    flex-direction: column;
    gap: 6px;
    transform: translateX(100%);
    transition: transform 0.35s ease;
    box-shadow: var(--sombra-lg);
  }
  .menu-mobile.aberto { transform: translateX(0); }
  .menu-mobile a {
    padding: 14px 6px;
    font-family: var(--fonte-titulo);
    font-weight: 500;
    color: var(--carvao-900);
    border-bottom: 1px solid var(--areia-100);
  }
  .menu-mobile .cabecalho-acoes {
    margin-top: 24px;
    flex-direction: column;
    align-items: stretch;
  }
  .fundo-menu {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(11,20,13,0.5);
    z-index: 540;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease;
  }
  .fundo-menu.ativo { opacity: 1; visibility: visible; }
}

@media (max-width: 720px) {
  .empresa-lista { grid-template-columns: 1fr; }
  .grade-servicos { grid-template-columns: 1fr; }
  .grade-galeria { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 170px; }
  .item-galeria.grande { grid-column: span 2; grid-row: span 1; }
  .linha-campos { grid-template-columns: 1fr; }
  .rodape-grade { grid-template-columns: 1fr 1fr; gap: 32px; }
  .servicos-cta { flex-direction: column; align-items: flex-start; }
  .hero .hero-conteudo { padding-top: 130px; }
}

@media (max-width: 480px) {
  .container { padding: 0 18px; }
  .marca img { height: 38px; }
  .cabecalho-acoes { gap: 8px; }
  .cabecalho-acoes .botao-primario { padding: 9px 14px; font-size: 0.78rem; }
}

@media (max-width: 380px) {
  .marca img { height: 38px; }
  .cabecalho-acoes .botao-primario { display: none; }
  .grade-galeria { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 150px; }
  .rodape-grade { grid-template-columns: 1fr; }
  .hero-acoes { flex-direction: column; align-items: stretch; }
  .hero-acoes .botao { width: 100%; }
  .formulario-contato { padding: 28px 22px; }
}