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

body {
  min-height: 100vh;
  font-family: 'Poppins', sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #0a0a0a;
  color: #fff;
  overflow: hidden;
}

/* floating cubes */
.background .cube {
  position: absolute;
  width: 80px;
  height: 80px;
  background: transparent;
  border: 2px solid rgba(0,255,255,0.4);
  box-shadow: 0 0 20px rgba(0,255,255,0.6);
  animation: float 20s linear infinite;
}

.background .cube:nth-child(1) { top: 20%; left: 10%; animation-duration: 18s; }
.background .cube:nth-child(2) { top: 60%; left: 80%; animation-duration: 22s; }
.background .cube:nth-child(3) { top: 70%; left: 30%; animation-duration: 25s; }
.background .cube:nth-child(4) { top: 15%; left: 75%; animation-duration: 28s; }
.background .cube:nth-child(5) { top: 40%; left: 50%; animation-duration: 30s; }

@keyframes float {
  0% { transform: rotate(0deg) translateY(0); opacity: 0.6; }
  50% { transform: rotate(180deg) translateY(-50px); opacity: 1; }
  100% { transform: rotate(360deg) translateY(0); opacity: 0.6; }
}

.redirect-box {
  position: relative;
  z-index: 2;
  background: rgba(0,0,0,0.6);
  padding: 40px 30px;
  border-radius: 20px;
  box-shadow: 0 15px 40px rgba(0,255,255,0.4);
  backdrop-filter: blur(10px);
  text-align: center;
  max-width: 480px;
  width: 100%;
}

.logo {
  font-size: 3rem;
  color: #00f5ff;
  margin-bottom: 15px;
  text-shadow: 0 0 20px #00f5ff, 0 0 30px #ff00ff;
}

h1 {
  font-size: 1.8rem;
  margin-bottom: 12px;
  font-weight: 700;
  line-height: 1.3;
}

.highlight {
  color: #ffeb3b;
  text-shadow: 0 0 10px #ffeb3b;
}

p {
  margin-bottom: 15px;
  font-size: 1.1rem;
  opacity: 0.9;
}

/* countdown */
.countdown-container {
  position: relative;
  width: 120px;
  height: 120px;
  margin: 25px auto;
}

svg {
  transform: rotate(-90deg);
  width: 120px;
  height: 120px;
}

circle {
  fill: none;
  stroke-width: 8;
  stroke-linecap: round;
}

.bg {
  stroke: rgba(255,255,255,0.2);
}

.progress {
  stroke: url(#gradient);
  stroke: cyan;
  stroke-dasharray: 300;
  stroke-dashoffset: 0;
  transition: stroke-dashoffset 1s linear;
}

.countdown-text {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  font-size: 2.5rem;
  font-weight: bold;
  color: #00f5ff;
  text-shadow: 0 0 10px #00f5ff;
}

button {
  padding: 14px 30px;
  background: linear-gradient(45deg, #00f5ff, #ff00ff);
  border: none;
  border-radius: 50px;
  font-size: 1.1rem;
  color: white;
  cursor: pointer;
  font-weight: 600;
  box-shadow: 0 5px 20px rgba(0,255,255,0.4);
  transition: all 0.3s ease;
}

button:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 25px rgba(0,255,255,0.6);
}

.footer {
  margin-top: 20px;
  font-size: 0.9rem;
  opacity: 0.7;
}

/* responsive */
@media (max-width: 600px) {
  h1 { font-size: 1.5rem; }
  p { font-size: 1rem; }
  .countdown-container { width: 100px; height: 100px; }
  .countdown-text { font-size: 2rem; }
  button { padding: 12px 25px; font-size: 1rem; }
}