* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html, body {
  height: 100%;
  scroll-behavior: smooth;
}
body {
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  background: url('https://images.unsplash.com/photo-1519389950473-47ba0277781c?auto=format&fit=crop&w=1950&q=80') no-repeat center center fixed;
  background-size: cover;
  color: #333;
}
header {
  background: rgba(0, 102, 204, 0.9);
  color: white;
  padding: 2rem 1rem;
  text-align: center;
}
header h1 {
  font-size: 2rem;
}
header p {
  font-size: 1.2rem;
}
nav {
  display: flex;
  justify-content: center;
  gap: 2rem;
  background: rgba(0, 102, 204, 0.8);
  padding: 0.5rem 1rem;
  flex-wrap: wrap;
}
nav a {
  color: white;
  font-size: 1.2rem;
  text-decoration: none;
}
.section {
  max-width: 1000px;
  margin: 3rem auto;
  padding: 2rem;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}
.section h2 {
  color: #0066cc;
  margin-bottom: 1rem;
}
ul {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}
.whatsapp-button {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 1000;
}
.whatsapp-button a {
  background-color: #25D366;
  color: white;
  font-size: 2rem;
  padding: 0.8rem 1rem;
  border-radius: 50px;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
 }
    .servico-icones {
      display: flex;
      justify-content: center;
      gap: 2rem;
      margin-top: 2rem;
    }
    .icone-quadrado {
      background: #0066cc;
      color: white;
      width: 150px;
      height: 150px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      text-align: center;
      border-radius: 12px;
      cursor: pointer;
      transition: background 0.3s;
    }
    .icone-quadrado:hover {
      background: #004a99;
    }
    .descricao-servico {
      display: none;
      margin-top: 1rem;
    }
    .descricao-servico.ativo {
      display: block;
    }
    footer {
      background: rgba(0, 0, 0, 0.8);
      color: white;
      text-align: center;
      padding: 1.5rem 1rem;
    }
    footer a {
      color: white;
      margin: 0 0.5rem;
      font-size: 1.5rem;
      text-decoration: none;
}
.footer-links {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  font-size: 0.9rem;
}