/* ======= Estilo Geral ======= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Arial", sans-serif;
}

body {
  background-color: #f7f9fb;
  color: #333;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ======= Cabeçalho ======= */
header {
  background-color: #005f73;
  color: #fff;
  text-align: center;
  padding: 1.5rem 0;
}

header h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 2rem;
}

nav a {
  text-decoration: none;
  color: #fff;
  font-weight: bold;
  transition: color 0.3s ease;
}

nav a:hover {
  color: #ffd166;
}

/* ======= Seções ======= */
main {
  flex: 1;
  padding: 2rem;
  max-width: 900px;
  margin: 0 auto;
  background-color: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

section {
  margin-bottom: 2.5rem;
}

h2 {
  color: #005f73;
  margin-bottom: 1rem;
  border-bottom: 2px solid #0a9396;
  padding-bottom: 0.5rem;
}

/* ======= Imagens ======= */
img {
  max-width: 80%;
  height: auto;
  display: block;
  margin: 1rem auto;
  border-radius: 10px;
}

/* ======= Botões e Links ======= */
a,
button {
  display: inline-block;
  background-color: #0a9396;
  color: white;
  text-decoration: none;
  padding: 0.8rem 1.2rem;
  border-radius: 5px;
  transition: background-color 0.3s ease;
  margin-top: 1rem;
}

a:hover,
button:hover {
  background-color: #005f73;
}

/* ======= Projetos ======= */
article {
  margin-bottom: 2rem;
}

section a[href="cadastro.html"] {
  margin-top: 1.5rem; /* espaçamento adicional no botão “Quero ser voluntário” */
  display: inline-block;
}

/* ======= Formulário de Cadastro ======= */
form {
  background-color: #f1f1f1;
  padding: 1.5rem;
  border-radius: 10px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

fieldset {
  border: 1px solid #ccc;
  padding: 1rem;
  border-radius: 8px;
}

legend {
  font-weight: bold;
  color: #005f73;
}

label {
  display: block;
  margin-top: 1rem;
  font-weight: 600;
}

input {
  width: 100%;
  padding: 0.6rem;
  margin-top: 0.3rem;
  border: 1px solid #ccc;
  border-radius: 5px;
}

button {
  margin-top: 1.2rem;
  width: 100%;
  background-color: #0a9396;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

/* ======= Rodapé ======= */
footer {
  background-color: #005f73;
  color: #fff;
  text-align: center;
  padding: 1rem 0;
  margin-top: auto;
  font-size: 0.9rem;
}

/* ======= Responsividade ======= */
@media (max-width: 768px) {
  nav ul {
    flex-direction: column;
    gap: 1rem;
  }

  main {
    padding: 1rem;
  }

  img {
    max-width: 95%;
  }
}