/* Reset básico */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Corpo e tipografia */
body {
  font-family: Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #333;
  background-color: #f4f4f4;
}

/* Cabeçalho */
header {
  background-color: #4285F4; /* Azul Google */
  color: #fff;
  text-align: center;
  padding: 1rem;
}

header h1 {
  font-size: 2rem;
  font-weight: bold;
}

header p {
  font-size: 1.1rem;
  margin-top: 0.5rem;
}

/* Navegação */
nav {
  background-color: #EA4335; /* Vermelho Google */
  padding: 1rem 0;
}

nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
}

nav ul li {
  margin: 0 1rem;
}

nav ul li a {
  color: #fff;
  text-decoration: none;
  font-weight: bold;
}

nav ul li a:hover {
  color: #FBBC05; /* Amarelo Google */
}

/* Conteúdo principal */
main {
  max-width: 800px;
  margin: 2rem auto;
  padding: 0 1rem;
}

section {
  margin-bottom: 2rem;
  background-color: #ffffff;
  border-left: 4px solid #34A853; /* Verde Google */
  padding: 1rem;
  box-shadow: 0 0 5px rgba(0,0,0,0.05);
}

section h2 {
  color: #4285F4;
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

section h3 {
  color: #EA4335;
  font-size: 1.4rem;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

section p,
section ul {
  margin-bottom: 1rem;
}

section ul {
  padding-left: 1.5rem;
}

section ul li {
  margin-bottom: 0.5rem;
}

/* Vídeos */
.video-container {
  margin: 1rem 0;
  text-align: center;
}

video {
  max-width: 100%;
  height: auto;
}

/* Rodapé */
footer {
  background-color: #4285F4;
  color: #fff;
  text-align: center;
  padding: 1rem;
  margin-top: 2rem;
}

/* Responsividade */
@media (max-width: 600px) {
  nav ul {
    flex-direction: column;
    align-items: center;
  }

  nav ul li {
    margin: 0.5rem 0;
  }

  header h1 {
    font-size: 1.5rem;
  }

  header p {
    font-size: 1rem;
  }
}