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

body, html {
  height: 100%;
  width: 100%;
  font-family: sans-serif;
  overflow: hidden;
}

.video-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  object-fit: cover;
  z-index: -1;
}

.content {
  position: relative;
  height: 100vh;
  width: 100vw;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.btn {
  display: block;
  margin: 10px;
  padding: 15px 25px;
  width: 90%;
  max-width: 300px;
  background-color: rgba(0,0,0,0.6);
  color: #fff;
  text-decoration: none;
  font-size: 18px;
  border: 2px solid #fff;
  border-radius: 8px;
  transition: background-color 0.3s, transform 0.2s;
}

.btn:hover {
  background-color: rgba(255,255,255,0.2);
  transform: scale(1.05);
}

.logo {
  width: 300px;
  margin-bottom: 20px;
}

.footer-img {
  width: 250px;
  margin-top: 20px;
}

/* Animação */
@keyframes fadeInUp {
  0% {
    opacity: 0;
    transform: translateY(30px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  opacity: 0;
  animation: fadeInUp 1s ease forwards;
}

/* Logo aparece primeiro após 1s do vídeo */
.logo.fade-in-up {
  animation-delay: 1s;
}

/* Botões aparecem depois */
.btn.fade-in-up:nth-of-type(1) { 
  animation-delay: 2.0s;
}
.btn.fade-in-up:nth-of-type(2) { 
  animation-delay: 2.4s;
}
.btn.fade-in-up:nth-of-type(3) { 
  animation-delay: 2.6s;
}

/* Imagem de baixo por último */
.footer-img.fade-in-up {
  animation-delay: 3s;
}