* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, Helvetica, sans-serif;
}

body {
  line-height: 1.6;
  color: #333;
}

header {
  background: #0d2c54;
  color: #fff;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px;
}

header nav a {
  color: #fff;
  margin-left: 15px;
  text-decoration: none;
  font-weight: bold;
}

/* BOTÃO WHATSAPP */
.btn {
  display: inline-block;
  padding: 12px 25px;
  background: #25D366;
  color: white;
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
}


.hero {
  margin-top: 80px;
  height: 400px;
  background: url("img/banner.png") center center / cover no-repeat;
  position: relative;
}

.overlay {
  background: rgba(0, 0, 0, 0.5);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-content {
  color: #fff;
  text-align: center;
}

.hero-content h2 {
  font-size: 36px;
  margin-bottom: 10px;
}

.hero-content p {
  font-size: 18px;
}

.section {
  padding: 60px 20px;
}

.section.gray {
  background: #f5f5f5;
}

.container {
  max-width: 1000px;
  margin: auto;
}

ul {
  list-style: disc;
  padding-left: 20px;
}

footer {
  background: #0d2c54;
  color: #fff;
  text-align: center;
  padding: 20px;
}

/* Mobile */
@media (max-width: 768px) {
  .hero {
    height: 260px;
  }

  .hero-content h2 {
    font-size: 24px;
  }
}