body {
  font-family: Arial, sans-serif;
  background-color: #f0f8ff;
  color: #002147;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

header {
  padding: 10px;
  background-color: #ea8305;
  width: 100%;
  color: white;
  box-sizing: border-box;
  height: 120px; /* altura fixa do header */
  display: flex;
  align-items: center;
  justify-content: center;
}

header img {
  height: 200px; /* logotipo maior que o header */
  width: auto;
  border-radius: 45px;
  margin-bottom: 0;
  /* box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18); destaque opcional */
  position: relative;
  z-index: 1;
}

main {
  max-width: 600px;
  padding: 20px;
}

h1 {
  color: #002147;
  font-size: 1.8em;
}

p {
  font-size: 1.1em;
  margin: 15px 0;
  line-height: 1.5;
}

.qr-container {
  margin: 20px 0;
}

.donate-btn {
  background-color: #1e90ff;
  color: white;
  padding: 15px 25px;
  border: none;
  border-radius: 8px;
  font-size: 1.2em;
  cursor: pointer;
  transition: background-color 0.3s;
  text-decoration: none;
  display: inline-block;
}

.donate-btn:hover {
  background-color: #005f99;
}

footer {
  font-size: 0.85em;
  color: #555;
  margin: 20px 0;
  max-width: 500px;
}

@media (max-width: 600px) {
  h1 {
    font-size: 1.5em;
  }
  .donate-btn {
    font-size: 1em;
    padding: 12px 20px;
  }
}