body {
  margin: 0;
  font-family: Arial, sans-serif;
  background-color: #002147; /* azul marinho */
  color: #fff;
  line-height: 1.6;
}

.header {
  text-align: center;
  padding: 20px;
  background: linear-gradient(90deg, #002147, #0044cc);
}

.logo {
  max-width: 150px;
  display: block;
  margin: 0 auto 10px;
}

.header h1 {
  color: #ffd700; /* dourado */
  margin: 0;
}

.header h2 {
  color: #fff;
  margin-top: 5px;
  font-weight: normal;
}

.regulamento-container {
  max-width: 800px;
  margin: 20px auto;
  padding: 20px;
}

.regulamento-section {
  background-color: #0044cc; /* azul mais claro */
  border-left: 5px solid #ffd700;
  border-radius: 8px;
  padding: 15px;
  margin-bottom: 20px;
}

.regulamento-section h3 {
  color: #ffd700;
  margin-top: 0;
}

.regulamento-section ul {
  text-align: left;
  margin-left: 20px;
}

.footer {
  text-align: center;
  padding: 15px;
  background: #001633;
  color: #ccc;
  font-size: 0.9rem;
}

#backToTop {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #ffd700;
  color: #002147;
  border: none;
  padding: 10px 15px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 16px;
  display: none;
  transition: background 0.3s;
}

#backToTop:hover {
  background: #e6c200;
}