/* Fonte moderna */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600&display=swap');

body {
  font-family: 'Poppins', sans-serif;
  background: #f0f2f5;
  margin: 0;
  padding: 0;
  display: auto;
  flex-direction: column;
  min-height: 100vh;
  color: #333;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

header, main, footer {
  width: 90%;
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
}

header h1 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 20px;
  font-weight: 600;
  background-color: #fff200;
  padding: 10px 15px;
  border-radius: 8px;
}

#video-container {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
}

#video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

#botao-acao {
  display: none;
  margin: 30px auto 0;
  padding: 15px 25px;
  font-size: 18px;
  background-color: #28a745;
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.3s;
  font-weight: 600;
}

#botao-acao:hover {
  background-color: #218838;
}

#botao-acao.pulsando {
  animation: pulse 1.5s infinite;
}

footer {
  margin-top: auto;
  text-align: center;
  font-size: 12px;
  color: #777;
  padding: 20px 10px;
  border-top: 1px solid #ccc;
}

@media (max-width: 600px) {
  header h1 {
    font-size: 1.5rem;
  }

  #botao-acao {
    width: 100%;
    font-size: 16px;
  }
}

/* Animação do botão */
@keyframes pulse {
  0% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(40, 167, 69, 0.7);
  }
  70% {
    transform: scale(1.05);
    box-shadow: 0 0 0 10px rgba(40, 167, 69, 0);
  }
  100% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(40, 167, 69, 0);
  }
}