:root {
  --bg-color: #12131e;
  --accent-cyan: #00e5ff;
  --accent-purple: #8b5cf6;
}

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

html, body {
  width: 100%;
  height: 100%;
  min-height: 100vh;
  background-color: var(--bg-color);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Background Ambient Canvas & Glows */
#bgCanvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.ambient-glow {
  position: fixed;
  width: 800px;
  height: 800px;
  border-radius: 50%;
  filter: blur(160px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.15;
}

.glow-center {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(0, 229, 255, 0.4) 0%, rgba(139, 92, 246, 0.25) 50%, transparent 70%);
}

/* Centered Viewport */
.logo-viewport {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.logo-container {
  width: 100%;
  max-width: 960px;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.main-logo {
  width: 100%;
  height: auto;
  max-height: 480px;
  filter: drop-shadow(0 20px 50px rgba(0, 0, 0, 0.6)) drop-shadow(0 0 35px rgba(0, 229, 255, 0.18));
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), filter 0.5s ease;
  user-select: none;
}

.main-logo:hover {
  transform: scale(1.02);
  filter: drop-shadow(0 25px 60px rgba(0, 0, 0, 0.7)) drop-shadow(0 0 50px rgba(0, 229, 255, 0.3));
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: scale(0.96);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@media (max-width: 768px) {
  .logo-viewport {
    padding: 1rem;
  }
  .main-logo {
    max-height: 300px;
  }
}