/* ==========================================================================
   Rosada Engenharia - Sistema de Design & Estilos
   Identidade Oficial: Azul Dark, Ouro Champagne, Verde Floresta e Off-White
   ========================================================================== */

/* Importação das fontes Montserrat (Títulos) e Inter (Corpo) */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Montserrat:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Cores Oficiais do Manual da Marca */
  --azul-dark: #0b1d33;
  --azul-dark-rgb: 11, 29, 51;
  --ouro-base: #c5a059;
  --ouro-light: #e6ca83;
  --verde-floresta: #0f3424;
  --verde-floresta-rgb: 15, 52, 36;
  
  /* Cores de Apoio para Acolhimento ("Sinta-se em Casa") */
  --fundo-suave: #FAF7F2;     /* Off-White quente e acolhedor */
  --fundo-card: #FFFFFF;
  --text-dark: #1E2B3A;      /* Azul escuro suave para leitura */
  --text-muted: #536477;     /* Cinza azulado para textos secundários */
  --white: #FFFFFF;
  
  /* Gradientes */
  --grad-ouro: linear-gradient(135deg, var(--ouro-base), var(--ouro-light));
  --grad-azul: linear-gradient(135deg, #0b1d33, #163255);
  --grad-hero: linear-gradient(rgba(11, 29, 51, 0.88), rgba(11, 29, 51, 0.72));

  /* Sombras e Efeitos */
  --sombra-suave: 0 10px 30px rgba(11, 29, 51, 0.05);
  --sombra-card: 0 15px 35px rgba(11, 29, 51, 0.08);
  --sombra-zoom: 0 20px 40px rgba(11, 29, 51, 0.15);
  --border-radius-lg: 16px;
  --border-radius-md: 10px;
  --border-radius-sm: 6px;
  --transition-fast: 0.25s ease;
  --transition-smooth: 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

/* Reset básico e Configurações Gerais */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--fundo-suave);
  color: var(--text-dark);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  color: var(--azul-dark);
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-fast);
}

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

/* Layouts e Contêineres */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-padding {
  padding: 8rem 0;
}

@media (max-width: 768px) {
  .section-padding {
    padding: 5rem 0;
  }
}

/* Título de Seção Elegante */
.section-header {
  text-align: center;
  margin-bottom: 5rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.section-header .subtitle {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  background: var(--grad-ouro);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
  margin-bottom: 1rem;
}

.section-header h2 {
  font-size: 2.5rem;
  line-height: 1.25;
  margin-bottom: 1.2rem;
  position: relative;
}

.section-header h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--grad-ouro);
  margin: 1.5rem auto 0;
  border-radius: 2px;
}

.section-header p {
  font-size: 1.1rem;
  color: var(--text-muted);
}

/* Botões */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1.1rem 2.4rem;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: var(--transition-smooth);
  gap: 0.75rem;
}

.btn-primary {
  background: var(--grad-ouro);
  color: var(--azul-dark);
  box-shadow: 0 4px 15px rgba(197, 160, 89, 0.3);
  border: 1px solid transparent;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(197, 160, 89, 0.45);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--white);
  transform: translateY(-3px);
}

/* Cabeçalho (Header e Navegação) */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition-smooth);
  padding: 1.5rem 0;
}

header.scrolled {
  background-color: rgba(11, 29, 51, 0.98);
  backdrop-filter: blur(10px);
  padding: 0.8rem 0;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
  border-bottom: 1px solid rgba(197, 160, 89, 0.2);
}

header .nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo img {
  height: 55px;
  width: auto;
  transition: var(--transition-smooth);
}

header.scrolled .logo img {
  height: 48px;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 2.5rem;
  align-items: center;
}

nav a {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--white);
  letter-spacing: 0.5px;
  position: relative;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--grad-ouro);
  transition: var(--transition-fast);
}

nav a:hover {
  color: var(--ouro-light);
}

nav a:hover::after {
  width: 100%;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.menu-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  background-color: var(--white);
  transition: var(--transition-fast);
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-color: var(--azul-dark);
  background-image: var(--grad-hero), url('imagens/obras/obra1_1.jpeg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  color: var(--white);
  padding-top: 120px;
  padding-bottom: 80px;
}

.hero-content {
  max-width: 750px;
}

.badge-22anos {
  display: inline-flex;
  align-items: center;
  background: rgba(197, 160, 89, 0.12);
  border: 1px solid var(--ouro-base);
  border-radius: 50px;
  padding: 0.5rem 1.2rem;
  gap: 0.75rem;
  margin-bottom: 2rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.badge-22anos span {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--ouro-light);
}

.badge-22anos .text {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #D3E0EE;
}

.hero h1 {
  font-size: 3.5rem;
  line-height: 1.2;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 1.5rem;
}

.hero h1 span {
  background: var(--grad-ouro);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.25rem;
  color: #D3E0EE;
  margin-bottom: 3rem;
  font-weight: 300;
  line-height: 1.8;
  max-width: 650px;
}

.hero-actions {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

/* Quem Somos & Edvandro */
.quem-somos {
  background-color: var(--fundo-suave);
}

.quem-somos-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.quem-somos-text h3 {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  font-weight: 600;
}

.quem-somos-text p {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.compromisso-list {
  list-style: none;
  margin-top: 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}

.compromisso-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 500;
  color: var(--azul-dark);
}

.compromisso-item svg {
  color: var(--ouro-base);
  flex-shrink: 0;
}

.quem-somos-imagem {
  position: relative;
}

.foto-wrapper {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--sombra-card);
  border: 1px solid rgba(197, 160, 89, 0.25);
  aspect-ratio: 4 / 3;
  width: 100%;
}

.foto-wrapper img {
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: var(--transition-smooth);
}

.foto-wrapper:hover img {
  transform: scale(1.03);
}

.foto-decoracao {
  position: absolute;
  bottom: 1.25rem;
  right: 1.25rem;
  background: var(--grad-azul);
  border: 2px solid var(--ouro-base);
  color: var(--white);
  padding: 0.85rem 1.4rem;
  border-radius: var(--border-radius-md);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.35);
  z-index: 2;
  text-align: center;
  backdrop-filter: blur(4px);
}

.foto-decoracao h4 {
  color: var(--ouro-light);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.2rem;
}

.foto-decoracao p {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #D3E0EE;
}

/* Especialidades (Serviços) */
.especialidades {
  background-color: var(--white);
  position: relative;
}

.especialidades-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.especialidade-card {
  background-color: var(--fundo-suave);
  border: 1px solid rgba(197, 160, 89, 0.1);
  padding: 3rem 2.5rem;
  border-radius: var(--border-radius-md);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.especialidade-card:hover {
  transform: translateY(-8px);
  background-color: var(--white);
  border-color: var(--ouro-base);
  box-shadow: var(--sombra-card);
}

.especialidade-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--border-radius-sm);
  background: rgba(197, 160, 89, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2rem;
  color: var(--ouro-base);
  transition: var(--transition-smooth);
}

.especialidade-card:hover .especialidade-icon {
  background: var(--grad-ouro);
  color: var(--azul-dark);
}

.especialidade-card h3 {
  font-size: 1.35rem;
  margin-bottom: 1rem;
  font-weight: 600;
}

.especialidade-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  flex-grow: 1;
}

/* Galeria de Obras */
.galeria {
  background-color: var(--fundo-suave);
}

.galeria-tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3.5rem;
  flex-wrap: wrap;
}

.tab-btn {
  background: var(--white);
  border: 1px solid rgba(197, 160, 89, 0.2);
  color: var(--text-dark);
  padding: 0.8rem 1.8rem;
  border-radius: 50px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition-smooth);
  box-shadow: var(--sombra-suave);
}

.tab-btn:hover {
  border-color: var(--ouro-base);
  color: var(--ouro-base);
}

.tab-btn.active {
  background: var(--azul-dark);
  color: var(--white);
  border-color: var(--azul-dark);
}

/* Container do Portfolio */
.portfolio-container {
  display: none;
}

.portfolio-container.active {
  display: block;
  animation: fadeIn 0.6s ease;
}

.projeto-info-card {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  padding: 3rem;
  margin-bottom: 3rem;
  box-shadow: var(--sombra-suave);
  border: 1px solid rgba(197, 160, 89, 0.1);
}

.projeto-info-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 3rem;
}

.projeto-text h3 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

.projeto-text p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 1.5rem;
}

/* Serviços Prestados no Card da Obra */
.projeto-servicos {
  margin-top: 1.5rem;
  padding: 1.2rem 1.4rem;
  background-color: var(--fundo-suave);
  border-radius: var(--border-radius-md);
  border-left: 3px solid var(--ouro-base);
}

.servicos-titulo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--azul-dark);
  margin-bottom: 0.75rem;
}

.servicos-titulo svg {
  width: 16px;
  height: 16px;
  color: var(--ouro-base);
  flex-shrink: 0;
}

.servicos-lista {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.servicos-lista li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.92rem;
  color: var(--text-dark);
  line-height: 1.4;
}

.servicos-lista li svg {
  flex-shrink: 0;
  width: 15px;
  height: 15px;
  margin-top: 2px;
  color: var(--verde-floresta);
}

.projeto-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.meta-item {
  border-left: 3px solid var(--ouro-base);
  padding-left: 1rem;
}

.meta-item label {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.meta-item value {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  color: var(--azul-dark);
  font-size: 1.05rem;
  display: block;
}

/* Grid de fotos do projeto */
.projeto-grid-fotos {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.galeria-item {
  position: relative;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--sombra-suave);
  aspect-ratio: 4/3;
  cursor: pointer;
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.galeria-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.galeria-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(11, 29, 51, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition-smooth);
  backdrop-filter: blur(3px);
}

.galeria-overlay-icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--grad-ouro);
  color: var(--azul-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  transform: scale(0.7);
  transition: var(--transition-smooth);
}

.galeria-item:hover img {
  transform: scale(1.08);
}

.galeria-item:hover .galeria-overlay {
  opacity: 1;
}

.galeria-item:hover .galeria-overlay-icon {
  transform: scale(1);
}

/* Lightbox Premium */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(11, 29, 51, 0.98);
  backdrop-filter: blur(10px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
}

.lightbox.active {
  display: flex;
  animation: fadeIn 0.3s ease;
}

.lightbox-content {
  position: relative;
  max-width: 85vw;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-image {
  max-width: 100%;
  max-height: 75vh;
  object-fit: contain;
  border-radius: var(--border-radius-sm);
  box-shadow: var(--sombra-zoom);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transform: scale(0.95);
  transition: transform 0.3s ease;
}

.lightbox.active .lightbox-image {
  transform: scale(1);
}

.lightbox-caption {
  color: #D3E0EE;
  margin-top: 1rem;
  font-family: 'Montserrat', sans-serif;
  font-weight: 500;
  font-size: 1rem;
  text-align: center;
}

.lightbox-close {
  position: absolute;
  top: -50px;
  right: 0;
  background: none;
  border: none;
  color: var(--white);
  font-size: 2rem;
  cursor: pointer;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.lightbox-close:hover {
  color: var(--ouro-light);
  transform: scale(1.1);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--white);
  font-size: 1.5rem;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
  z-index: 2005;
}

.lightbox-nav:hover {
  background: var(--grad-ouro);
  color: var(--azul-dark);
  border-color: transparent;
}

.lightbox-prev {
  left: -70px;
}

.lightbox-next {
  right: -70px;
}

@media (max-width: 1024px) {
  .lightbox-prev {
    left: -20px;
    background: rgba(11, 29, 51, 0.8);
  }
  .lightbox-next {
    right: -20px;
    background: rgba(11, 29, 51, 0.8);
  }
}

/* Diferencial / Certificação */
.diferencial {
  background: var(--grad-azul);
  color: var(--white);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.diferencial::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 80% 20%, rgba(197, 160, 89, 0.15), transparent 50%);
  pointer-events: none;
}

.diferencial-content {
  max-width: 800px;
  margin: 0 auto;
}

.diferencial-badge {
  background: rgba(197, 160, 89, 0.15);
  border: 1px solid var(--ouro-base);
  padding: 0.6rem 1.8rem;
  border-radius: 50px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  color: var(--ouro-light);
  display: inline-block;
  margin-bottom: 2rem;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 1.5px;
}

.diferencial h2 {
  font-size: 2.8rem;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 2rem;
}

.diferencial p {
  font-size: 1.2rem;
  color: #D3E0EE;
  font-weight: 300;
  line-height: 1.8;
  margin-bottom: 3rem;
}

.diferencial-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 3rem;
}

.stat-item h3 {
  font-size: 3rem;
  color: var(--ouro-light);
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.stat-item p {
  font-size: 0.9rem;
  color: #B1C3D7;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .diferencial-stats {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

/* Contato & Informações */
.contato {
  background-color: var(--white);
}

.contato-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 5rem;
}

.contato-info h3 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
}

.contato-info-intro {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 3rem;
}

.contato-links {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contato-link-item {
  display: flex;
  align-items: flex-start;
  gap: 1.2rem;
}

.contato-link-icon {
  width: 50px;
  height: 50px;
  background: var(--fundo-suave);
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ouro-base);
  border: 1px solid rgba(197, 160, 89, 0.1);
  flex-shrink: 0;
}

.contato-link-details label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 1px;
  margin-bottom: 0.2rem;
}

.contato-link-details a,
.contato-link-details span {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--azul-dark);
}

.contato-link-details a:hover {
  color: var(--ouro-base);
}

/* Formulário de Contato */
.contato-form-card {
  background: var(--fundo-suave);
  padding: 3.5rem;
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(197, 160, 89, 0.15);
  box-shadow: var(--sombra-card);
}

.contato-form-card h4 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.contato-form-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 2.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--azul-dark);
  margin-bottom: 0.5rem;
}

.form-control {
  width: 100%;
  padding: 1rem 1.2rem;
  border: 1px solid rgba(11, 29, 51, 0.15);
  border-radius: var(--border-radius-sm);
  background: var(--white);
  color: var(--text-dark);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--ouro-base);
  box-shadow: 0 0 0 3px rgba(197, 160, 89, 0.15);
}

textarea.form-control {
  resize: vertical;
}

/* Rodapé (Footer) */
footer {
  background-color: var(--azul-dark);
  color: var(--white);
  padding: 5rem 0 2rem;
  border-top: 1px solid rgba(197, 160, 89, 0.2);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-logo img {
  height: 60px;
  margin-bottom: 1.5rem;
}

.footer-about p {
  color: #B1C3D7;
  font-size: 0.95rem;
  max-width: 350px;
}

.footer-links h4,
.footer-contact h4 {
  color: var(--ouro-light);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-links a {
  color: #B1C3D7;
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: var(--white);
  padding-left: 5px;
}

.footer-contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  color: #B1C3D7;
  font-size: 0.95rem;
}

.footer-contact-details div {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.footer-contact-details svg {
  color: var(--ouro-base);
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #798E9C;
  font-size: 0.85rem;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Botão do WhatsApp Flutuante */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background-color: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 2rem;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
  z-index: 999;
  transition: var(--transition-smooth);
}

.whatsapp-float::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background-color: #25d366;
  opacity: 0.3;
  z-index: -1;
  animation: pulse-ring 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.whatsapp-float:hover {
  transform: scale(1.08) translateY(-3px);
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.55);
}

/* Animações */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes pulse-ring {
  0% {
    transform: scale(0.95);
    opacity: 0.5;
  }
  50% {
    transform: scale(1.3);
    opacity: 0;
  }
  100% {
    transform: scale(0.95);
    opacity: 0;
  }
}

/* Classes para Revelação do Scroll (Intersection Observer) */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Responsividade Geral */
@media (max-width: 1024px) {
  .quem-somos-grid {
    grid-template-columns: 1fr;
    gap: 4rem;
  }
  
  .foto-wrapper {
    aspect-ratio: 4 / 3;
    width: 100%;
    max-width: 650px;
    margin: 0 auto;
  }

  .foto-wrapper img {
    width: 100%;
    height: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
  }
  
  .contato-grid {
    grid-template-columns: 1fr;
    gap: 4rem;
  }
  
  .hero h1 {
    font-size: 2.8rem;
  }
  
  .projeto-info-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }
  
  nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background-color: var(--azul-dark);
    border-left: 1px solid var(--border-color);
    padding: 6rem 2rem 2rem;
    transition: var(--transition-smooth);
    box-shadow: -5px 0 30px rgba(0,0,0,0.25);
  }
  
  nav.active {
    right: 0;
  }
  
  nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 2rem;
  }
  
  nav a {
    font-size: 1.1rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .contato-form-card {
    padding: 2rem;
  }
}

@media (max-width: 576px) {
  .foto-decoracao {
    bottom: 0.75rem;
    right: 0.75rem;
    padding: 0.6rem 1rem;
  }
  
  .foto-decoracao h4 {
    font-size: 1rem;
  }
  
  .foto-decoracao p {
    font-size: 0.7rem;
  }
}