/* Container isolado */
.cntb-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
  background: transparent;
  text-align: center;
  font-family: 'Segoe UI', Arial, sans-serif;
}

/* Título */
.cntb-title {
  font-size: 2rem;
  margin-bottom: 30px;
  font-weight: 600;
  color: #06273A;
}

/* Grid responsivo */
.cntb-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

/* Card */
.cntb-card {
  background: #fff;
  border-radius: 10px;
  padding: 30px 20px;
  position: relative;
  box-shadow: 0 4px 10px rgba(0,0,0,0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  height: 350px;
}

.cntb-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 15px rgba(0,0,0,0.1);
}

/* Cabeçalho */
.cntb-head {
  position: absolute;
  top: 15px;
  right: 15px;
}

.cntb-num {
  font-size: 0.9rem;
  color: #999;
  font-weight: 500;
}

/* Ícone */
.cntb-icon {
  font-size: 2.5rem;
  margin-bottom: 15px;
}

/* Título do card */
.cntb-subtitle {
  font-size: 1.2rem;
  margin-bottom: 10px;
  color: #06273A;
}

/* Texto */
.cntb-text {
  font-size: 0.95rem;
  color: #555;
  margin-bottom: 20px;
  line-height: 1.5;
}

/* Botão */
.cntb-btn {
  display: inline-block;
  background-color: #06273A;
  color: #fff;
  text-decoration: none;
  padding: 10px 20px;
  border-radius: 25px;
  font-weight: 500;
  transition: background 0.3s ease;
}

.cntb-btn:hover {
  background-color: #0a3a57;
}

/* Responsivo */
@media (max-width: 768px) {
  .cntb-title {
    font-size: 1.6rem;
  }
  .cntb-card {
    padding: 25px 15px;
  }
}