/* ===== Variáveis de cores ===== */
:root {
  --primary-color: #00BFFF;
  --primary-hover: #00a4cc;
  --highlight-color: #00FFFF;
  --dark-bg: #000;
  --dark-bg-alt: #0D1B2A;
  --text-color: #fff;
}

/* ===== Estilo geral ===== */
body {
  font-family: 'Roboto', sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  background-color: var(--dark-bg);
  color: var(--text-color);
}

body.tema-escuro {
  background-color: var(--dark-bg-alt);
}

/* ===== Botão alternar tema ===== */
#botao-tema {
  margin-top: 1rem;
  padding: 0.5rem 1rem;
  cursor: pointer;
  background-color: var(--primary-color);
  color: #000;
  font-weight: bold;
  border: none;
  border-radius: 6px;
  box-shadow: 0 0 12px var(--primary-color);
  transition: all 0.3s ease;
}

#botao-tema:hover {
  background-color: var(--primary-hover);
  box-shadow: 0 0 16px var(--highlight-color);
  color: var(--text-color);
}

/* ===== Cabeçalho ===== */
header {
  background-color: var(--dark-bg-alt);
  padding: 20px;
  text-align: center;
}

h1, h2, h3 {
  font-weight: 700;
  color: var(--primary-color);
}

nav ul {
  list-style: none;
  padding: 0;
  margin: 10px 0 0 0;
  display: flex;
  justify-content: center;
  gap: 20px;
}

nav a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
}

nav a:hover {
  text-decoration: underline;
  color: var(--highlight-color);
}

/* ===== Main ===== */
main {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 20px;
}

/* ===== Sobre mim ===== */
#sobre {
  padding-bottom: 40px;
}

.foto-perfil {
  width: 180px;
  border-radius: 50%;
  margin-bottom: 20px;
  border: 4px solid var(--primary-color);
  box-shadow: 0 0 12px var(--primary-color);
}

#sobre p {
  margin-bottom: 16px;
}

/* ===== Botão padrão ===== */
.btn {
  display: inline-block;
  padding: 12px 24px;
  background-color: var(--primary-color);
  color: #000;
  text-decoration: none;
  border-radius: 8px;
  font-weight: bold;
  box-shadow: 0 0 20px var(--primary-color);
  transition: all 0.3s ease;
}

.btn:hover {
  background-color: var(--primary-hover);
  color: var(--text-color);
  box-shadow: 0 0 25px var(--highlight-color);
  transform: scale(1.05);
}

.botao-curriculo {
  margin-top: 20px;
}

/* ===== Projetos ===== */
#projetos {
  margin-bottom: 40px; /* Reduzido para menos espaço vazio */
}

#projetos h3 {
  margin-bottom: 10px;
  color: var(--highlight-color);
}

#projetos p {
  margin-bottom: 20px;
}

#projetos a {
  margin: 10px 10px 20px 0;
}

/* ===== Contato ===== */
#contato {
  padding-bottom: 40px;
}

.mensagem-contato {
  margin: 20px 0;
}

#contato a {
  margin: 10px 10px 0 0;
}

/* ===== Responsivo ===== */
@media(max-width: 768px) {
  main {
    padding: 20px;
  }

  .foto-perfil {
    width: 150px;
  }

  nav ul {
    flex-direction: column;
    align-items: center;
  }

  nav a {
    margin-bottom: 10px;
  }
}