* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
  margin: 0;
}

body {
  position: relative;
  min-height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background:
    radial-gradient(ellipse at center, #141414 0%, #0a0a0a 55%, #000000 100%);
  color: #ffffff;
  text-align: center;
  overflow: hidden;
}

/* subtle noise/vignette overlay for a textured, premium feel */
body::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 3px 3px;
  pointer-events: none;
}

.glow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 640px;
  height: 640px;
  transform: translate(-50%, -55%);
  background: radial-gradient(circle, rgba(46, 204, 143, 0.18) 0%, rgba(46, 204, 143, 0.06) 40%, transparent 70%);
  filter: blur(10px);
  pointer-events: none;
}

.container {
  position: relative;
  z-index: 1;
  padding: 2rem;
  animation: fadeInUp 1.1s ease-out;
}

.logo-img {
  width: min(70vw, 320px);
  height: auto;
  filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.6));
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}