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

body, html {
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: Arial, sans-serif;
  background: transparent; /* 🔹 deixa o vídeo visível atrás */
}

/* Fundo de vídeo */
video {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0; /* 🔹 mantém o vídeo visível, mas atrás do conteúdo */
}

/* Container central */
.container {
  position: relative;
  z-index: 1; /* 🔹 garante que o botão e texto fiquem acima do vídeo */
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100vh;
  opacity: 0;
  animation: fadeIn 3.5s ease-in forwards;
}

/* Botão */
.btn {
  background-color: #00c853;
  color: white;
  font-size: 1rem;
  font-weight: bold;
  padding: 12px 28px;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  box-shadow: 0 0 18px rgba(0, 255, 100, 0.4);
  animation: pulse 2s infinite;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: scale(1.05);
  box-shadow: 0 0 25px rgba(0, 255, 100, 0.6);
}

/* Texto abaixo do botão */
.btn-text {
  margin-top: 12px;
  font-size: 1rem;
  color: #fff;
  font-weight: bold;
  text-align: center;
  animation: fadeIn 3.5s ease-in forwards;
  animation-delay: 0.5s;
  opacity: 0;
}

/* Animações */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.07); }
  100% { transform: scale(1); }
}