/* === Global Styles === */
body {
  font-family: "Helvetica Neue", Arial, sans-serif;
  color: #2b2b2b;
  line-height: 1.6;
  background-color: #f9f9fb;
  margin: 0;
  padding: 0;
}

main {
  padding: 2rem 1rem;
  max-width: 1100px;
  margin: 0 auto;
}

h1, h2, h3 {
  font-weight: 600;
  color: #0c2d5e; /* azul institucional ETN */
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

h1 {
  font-size: 2.2rem;
  text-align: center;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: 1.6rem;
  border-left: 4px solid #0097a9; /* teal institucional ETN */
  padding-left: 0.6rem;
}

h3 {
  font-size: 1.2rem;
  color: #1a1a1a;
}

p {
  margin-bottom: 1rem;
  font-size: 1rem;
  color: #444;
}

strong {
  color: #0c2d5e;
}

/* === Container === */
.container {
  background: #fff;
  padding: 2rem;
  border-radius: 10px;
  margin-bottom: 2rem;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

/* === Sections with icons (optional) === */
.container h2::before {
  content: "✔";
  color: #0097a9;
  margin-right: 0.5rem;
  font-size: 1rem;
  vertical-align: middle;
}

/* === Responsive Design === */
@media (min-width: 768px) {
  main {
    padding: 3rem 2rem;
  }

  h1 {
    font-size: 2.6rem;
  }

  h2 {
    font-size: 1.8rem;
  }

  p {
    font-size: 1.05rem;
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 2.5rem 3rem;
  }
}