/* 1) Base */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Helvetica, Arial, sans-serif;
  background: #fafafa;
  line-height: 1.6;
}

/* 2) Conteúdo centralizado e com respiro */
header, main, footer {
  max-width: 900px;
  margin: 0 auto;
  padding: 16px;
}

/* 3) Header + Nav */
header {
  border-bottom: 1px solid #ddd;
}

header h1 {
  margin: 0;
  font-size: clamp(1.6rem, 5vw, 2.4rem);
  line-height: 1.2;
}

nav {
  margin-top: 10px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

nav a {
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s, opacity 0.2s, background-color 0.2s;
  -webkit-tap-highlight-color: transparent;
  padding: 8px 10px;
  border-radius: 8px;
}

nav a:hover {
  color: #0a58ca;
  opacity: 0.95;
  background-color: rgba(11, 94, 215, 0.08);
  text-decoration: none;
}

nav a:focus-visible,
form button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid rgba(11, 94, 215, 0.35);
  outline-offset: 2px;
}

/* 4) Seções */
section {
  padding: 16px 0;
  border-bottom: 1px solid #eee;
}

h2 {
  margin: 0 0 8px 0;
}

/* 5) Listas */
ul {
  margin: 8px 0 0 18px;
}

.aviso-projetos {
  background-color: #ffe5e5;
  border: 1px solid #cc4444;
  color: #7a1f1f;
  padding: 12px;
  border-radius: 6px;
  font-weight: 600;
}
/* 6) Formulário (sem depender de <br>) */
form {
  margin-top: 16px;
  max-width: 520px;
  display: grid;
  gap: 10px;
}

label {
  font-weight: 600;
}

input, textarea, button {
  font: inherit;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 6px;
}

textarea {
  min-height: 120px;
  resize: vertical;
}

form button {
  background-color: #289842;
  border: none;
  color: #fff;
  padding: 12px;
  border-radius: 6px;
  font-weight: bold;
  transition: background-color 0.2s, opacity 0.2s;
  cursor: pointer;
}

form button:hover {
  opacity: 0.95;
  background-color: #39a751;
}

/* 7) Footer */
footer {
  border-top: 1px solid #ddd;
}

a {
  color: #0b5ed7;
}

main a:hover,
footer a:hover {
  opacity: 0.95;
}


@media (max-width: 600px) {
  header, main, footer {
    padding: 12px;
  }

  input, textarea, button {
    padding: 12px;
  }

  nav {
    gap: 8px;
  }

  form {
    max-width: 100%;
  }
}