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

body {
  font-family: "Poppins", Arial, sans-serif;
  background-color: #f8f9fa;
  color: #333;
  line-height: 1.6;
}

/* Cabeçalho */
header {
  background: linear-gradient(135deg, #0077b6, #00b4d8);
  color: #fff;
  text-align: center;
  padding: 1.5rem;
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

header h1 {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}

header .telefone a {
  color: #fff;
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s;
}

header .telefone a:hover {
  color: #ffde59;
}

/* Seções */
section.operadora {
  padding: 3rem 1rem;
  text-align: center;
  background-color: #fff;
  margin: 1rem auto;
  max-width: 900px;
  border-radius: 12px;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.1);
}

section.operadora h2 {
  color: #0077b6;
  margin-bottom: 0.5rem;
}

section.operadora p {
  font-size: 1rem;
  margin-bottom: 1.5rem;
}

/* Imagens */
.taxas {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.taxas img {
  width: 260px;
  max-width: 100%;
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.3s, box-shadow 0.3s;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

.taxas img:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

/* Modal de imagem */
.modal {
  display: none; 
  position: fixed; 
  z-index: 100; 
  padding-top: 60px; 
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto; 
  background-color: rgba(0,0,0,0.9);
}

.modal-content {
  margin: auto;
  display: block;
  width: 80%;
  max-width: 700px;
  border-radius: 10px;
}

#caption {
  margin: 15px auto;
  text-align: center;
  color: #ccc;
  font-size: 18px;
}

.close {
  position: absolute;
  top: 20px;
  right: 35px;
  color: #fff;
  font-size: 40px;
  font-weight: bold;
  cursor: pointer;
  transition: color 0.3s;
}

.close:hover {
  color: #ffde59;
}

/* Rodapé */
footer {
  text-align: center;
  padding: 1rem;
  background-color: #0077b6;
  color: white;
  margin-top: 2rem;
}