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

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

#bg-video {
  position: fixed;
  top: 50%; left: 50%;
  min-width: 100%; min-height: 100%;
  width: auto; height: auto;
  transform: translate(-50%, -50%);
  z-index: -1;
  filter: brightness(0.6);
}

.overlay {
  position: relative;
  width: 100%; height: 100%;
  color: #fff;
  text-align: center;
  display: flex; flex-direction: column;
  justify-content: center; align-items: center;
  padding: 0 20px;
}

.logo {
  width: 120px;
  animation: fadeIn 2s ease-out;
}

header h1 {
  font-size: 3rem;
  margin: 20px 0 10px;
  animation: slideIn 1.5s ease-out;
}

header p {
  font-size: 1.2rem;
  margin-bottom: 40px;
  animation: fadeIn 2.5s ease-out;
}

.features {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}

.feature-card {
  background: rgba(255, 255, 255, 0.1);
  padding: 20px;
  border-radius: 12px;
  width: 250px;
  animation: popIn 1s ease-out;
}

.feature-card h2 {
  margin-bottom: 10px;
}

footer button {
  margin-top: 40px;
  padding: 12px 24px;
  border: none; border-radius: 25px;
  font-size: 1rem;
  cursor: pointer;
  backdrop-filter: blur(5px);
  animation: fadeIn 3s ease-out;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; } to { opacity: 1; }
}
@keyframes slideIn {
  from { transform: translateY(-50px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
@keyframes popIn {
  from { transform: scale(0.8); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

/* Responsivo */
@media (max-width: 768px) {
  header h1 { font-size: 2.2rem; }
  .features { flex-direction: column; }
}
