* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Roboto', sans-serif;
}
body {
  background-color: #f0f8ff;
  color: #00264d;
  line-height: 1.6;
}
header {
  background-color: #0077cc;
  color: white;
  text-align: center;
  padding: 1rem;
}
header img {
  width: 400px;
  height: 300px;
}
nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  background-color: #005fa3;
  padding: 0.8rem;
}
nav a {
  color: white;
  text-decoration: none;
  font-weight: bold;
}
section h1, section h2 {
  margin-bottom: 1rem;
  text-align: center;
  color: #0077cc;
}
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem;
  text-align: center;
}
.hero p {
  font-size: 1.1rem;
  max-width: 800px;
}
.hero img {
  width: 100%;
  max-width: 700px;
  margin-top: 2rem;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

/* ===== NOVO BOTÃO CTA (CHAMADA PARA AÇÃO) ===== */
.cta-btn {
  display: inline-block;
  background-color: #25d366;
  color: white;
  font-weight: bold;
  font-size: 1.2rem;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  margin-top: 1.5rem;
  box-shadow: 0 4px 6px rgba(0,0,0,0.2);
  transition: transform 0.3s ease, background-color 0.3s ease;
}
.cta-btn:hover {
  background-color: #1ebd5a;
  transform: scale(1.05);
}

section {
  padding: 2rem;
}
.servicos, .sobre {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}
.card {
  background-color: white;
  padding: 1rem;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  text-align: center;
}
.card img {
  width: 100%;
  height: auto;
  border-radius: 6px;
  margin-bottom: 0.8rem;
}

footer {
  background-color: #00264d;
  color: white;
  text-align: center;
  padding: 1rem;
  margin-top: 1rem;
}

/* ===== ELEMENTOS ESPECÍFICOS ===== */
.text {
  background: #0077cc;
}
.text h2 {
  color: white;
  margin-bottom: 4px;
}
.container {
  text-align: center;
  border-width: 1px;
  border-bottom: 5px solid;
  padding: 1px;
}
.text > p {
  text-align: center;
  font-size: 20px;
  color: white;
  margin: 20px 0;
}

/* ===== BOTÕES FIXOS OTIMIZADOS ===== */
.whatsapp, .instagram, .top {
  position: fixed;
  right: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: transform 0.2s ease-in-out;
}
.whatsapp, .instagram {
  width: 60px;
  height: 60px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}
.whatsapp {
  bottom: 80px;
  background-color: #25d366;
}
.whatsapp:hover {
  transform: scale(1.1);
  background-color: #1ebd5a;
}
.instagram {
  bottom: 150px;
}
.instagram:hover, .top:hover {
  transform: scale(1.1);
}
.top {
  bottom: 10px;
  width: 60px;
  height: 60px;
  border: 0px solid black;
}
.whatsapp img, .instagram img {
  width: 60px;
  height: 60px;
}

/* ===== RESPONSIVIDADE ===== */
@media (max-width: 760px) {
  nav {
    flex-direction: column;
    align-items: center;
  }
  .hero img {
    max-width: 100%;
  }
  header img {
    width: 300px;
    height: 200px;
  }
  
  /* Ajuste responsivo dos botões fixos */
  .whatsapp, .instagram, .top {
    width: 40px;
    height: 40px;
  }
  .whatsapp {
    background: none;
    bottom: 60px;
  }
  .instagram {
    bottom: 110px;
  }
  .top {
    bottom: 10px;
  }
  .whatsapp img {
    width: 50px;
    height: 50px;
  }
  .instagram img, .top img {
    width: 40px;
    height: 40px;
  }
}