/* Reset & base styles */
body {
  margin: 0;
  background: #121212;
  font-family: 'Noto Sans Tamil', sans-serif;
  color: #eee;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  padding-top: 70px;
  padding-left: 1rem;
  padding-right: 1rem;
  box-sizing: border-box;
}

/* Reveal container */
.reveal-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
  padding: 1rem;
}

/* Reveal button */
#revealBtn {
  padding: 1rem 2rem;
  font-size: 1.3rem;
  background-color: #e91e63;
  color: white;
  border: none;
  border-radius: 30px;
  cursor: pointer;
  transition: background-color 0.3s ease;
  width: 100%;
  max-width: 320px;
  box-sizing: border-box;
  text-align: center;
}

#revealBtn:hover {
  background-color: #ff4f81;
}

/* Countdown */
#countdown {
  font-size: 6rem;
  color: #ffcc00;
  position: absolute;
  user-select: none;
}

/* Logo reveal circle */
#logoCircle {
  width: 90vw;
  max-width: 500px;
  height: 90vw;
  max-height: 500px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: all 0.5s ease;
  margin: 0 auto;
}

#logoCircle.hidden {
  display: none;
}

/* Logo image */
#logoImg {
  max-width: 80%;
  max-height: 80%;
  display: none;
  user-select: none;
}

/* Download Button */
.download-button {
  margin-top: 20px;
  padding: 0.8rem 1.6rem;
  font-size: 1.1rem;
  background-color: #00bcd4;
  color: white;
  border: none;
  border-radius: 25px;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 188, 212, 0.3);
  animation: fadeIn 1s ease-in-out;
  width: 100%;
  max-width: 320px;
  box-sizing: border-box;
  text-align: center;
}

.download-button:hover {
  background-color: #26c6da;
  transform: scale(1.05);
}

/* Hide utility */
.hidden {
  display: none;
}

/* Footer */
footer {
  position: sticky;
  bottom: 0;
  width: 100%;
  height: 40px;
  background: linear-gradient(90deg, #1a1a2e, #16213e);
  color: #ff4081;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.8);
  user-select: none;
  font-family: 'Orbitron', sans-serif;
  padding: 0 1rem;
  box-sizing: border-box;
}

/* Animations */
@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.2); }
}

@keyframes glow {
  from {
    box-shadow: 0 0 20px #f50057;
  }
  to {
    box-shadow: 0 0 50px #ff4081, 0 0 100px #f50057;
  }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Responsive Adjustments */
@media (max-width: 768px) {
  #countdown {
    font-size: 4.5rem;
  }

  #logoCircle {
    width: 80vw;
    height: 80vw;
    max-width: 400px;
    max-height: 400px;
  }

  #revealBtn,
  .download-button {
    font-size: 1.1rem;
    max-width: 280px;
  }
}

@media (max-width: 480px) {
  #countdown {
    font-size: 3.5rem;
  }

  #logoCircle {
    width: 70vw;
    height: 70vw;
    max-width: 320px;
    max-height: 320px;
  }

  #revealBtn,
  .download-button {
    font-size: 1rem;
    max-width: 100%;
  }

  .reveal-container {
    padding: 0.5rem;
  }
}