.section-header {
  font-size: 2rem;
  font-weight: 700;
  font-family: 'Raleway', sans-serif;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  background-color: #46999cad; /* tom translúcido */
  color: #ffffff;
  padding: 16px 24px;
  border-top-left-radius: 12px;
  border-top-right-radius: 12px;
  margin: 0 auto;
  max-width: 800px;
  border: 2px solid rgba(11, 64, 66, 0.6);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
  outline: 2px solid rgba(255, 255, 255, 0.2); /* contorno sutil para contraste */
  position: relative;
  z-index: 2;
  text-align: center;
}

.apresentacao {
  max-width: 800px;
  margin: 0 auto;
  margin-top: 0; /* conecta ao topo azul sem sobrepor */
  padding: 24px;
  background-color: #b4d8e9cc;
  border-radius: 0 0 12px 12px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
  animation: fadeIn 0.6s ease-in;
  font-size: 1.05rem;
  line-height: 1.7;
  color: #2a2a2a;
  position: relative;
  z-index: 1;
}

.apresentacao h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: #111;
}

.apresentacao p {
  margin-bottom: 1.2em;
}

.apresentacao p:last-of-type {
  font-weight: 600;
  color: #222;
  margin-top: 30px;
}

.apresentacao strong {
  color: #007acc;
  font-weight: 600;
}

.apresentacao p:last-of-type + hr + p::before {
  content: '✔';
  color: green;
  margin-right: 8px;
}


@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}