/* Reset and base styles */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #FFFFFF;
  min-height: 100vh;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.video-container {
  position: relative;
  width: 100%;
  max-width: 1920px;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

#bg-video {
  width: 100%;
  height: auto;
  display: block;
}

/* Accessible Overlay Controls */
.controls-overlay {
  position: absolute;
  top: 2rem;
  margin: 0 auto;
  z-index: 10;
}

#unmute-btn {
  appearance: none;
  background-color: rgba(0, 0, 0, 0.7);
  color: #FFFFFF;
  border: 2px solid transparent;
  border-radius: 8px;
  padding: 12px 24px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  letter-spacing: 0.5px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

/* Elegant hover animations and focus states */
#unmute-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.1);
  transition: left 0.4s ease;
}

#unmute-btn:hover::before {
  left: 0;
}

#unmute-btn:hover {
  background-color: rgba(0, 0, 0, 0.9);
  border-color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

#unmute-btn:focus-visible {
  outline: 3px solid #005fcc;
  outline-offset: 4px;
  border-color: #FFFFFF;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .controls-overlay {
    top: 2rem;
    margin: 0 auto;
  }
  
  #unmute-btn {
    padding: 10px 20px;
    font-size: 0.9rem;
  }
}