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

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: 'Poppins', sans-serif;
  color: #fff;
  text-align: center;
  background: linear-gradient(-45deg, #1a1a40, #3b1c82, #ff4081, #00c6ff);
  background-size: 400% 400%;
  animation: gradientBG 8s ease infinite;
  overflow: hidden;
  padding: 20px;
}

@keyframes gradientBG {
  0% {background-position: 0% 50%;}
  50% {background-position: 100% 50%;}
  100% {background-position: 0% 50%;}
}

.floating-shapes {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 1;
  overflow: hidden;
}

.shape {
  position: absolute;
  opacity: 0.3;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  animation: float 15s infinite ease-in-out;
}

.shape:nth-child(1) {
  width: 80px;
  height: 80px;
  top: 20%;
  left: 10%;
  animation-delay: 0s;
  background: linear-gradient(45deg, #ff4081, #3b1c82);
}

.shape:nth-child(2) {
  width: 120px;
  height: 120px;
  top: 60%;
  left: 80%;
  animation-delay: 2s;
  background: linear-gradient(45deg, #00c6ff, #1a1a40);
}

.shape:nth-child(3) {
  width: 60px;
  height: 60px;
  top: 70%;
  left: 15%;
  animation-delay: 4s;
  background: linear-gradient(45deg, #3b1c82, #ff4081);
}

.shape:nth-child(4) {
  width: 100px;
  height: 100px;
  top: 15%;
  left: 75%;
  animation-delay: 6s;
  background: linear-gradient(45deg, #1a1a40, #00c6ff);
}

@keyframes float {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  25% {
    transform: translateY(-40px) rotate(10deg);
  }
  50% {
    transform: translateY(20px) rotate(20deg);
  }
  75% {
    transform: translateY(-20px) rotate(30deg);
  }
}

.container {
  background: rgba(0, 0, 0, 0.6);
  padding: 40px;
  border-radius: 20px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
  animation: fadeIn 1.5s ease;
  max-width: 500px;
  width: 100%;
  z-index: 2;
  position: relative;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.logo {
  font-size: 3.5rem;
  margin-bottom: 15px;
  animation: bounce 2s infinite;
  color: #ff4081;
  text-shadow: 0 0 15px rgba(255, 64, 129, 0.7);
}

h1 {
  font-size: 2.2rem;
  margin-bottom: 15px;
  text-shadow: 0 0 10px #00c6ff, 0 0 20px #ff4081;
  animation: glow 2s ease-in-out infinite alternate;
  font-weight: 700;
  line-height: 1.3;
}

@keyframes glow {
  from {text-shadow: 0 0 10px #00c6ff, 0 0 20px rgba(0, 198, 255, 0.5);}
  to {text-shadow: 0 0 25px #ff4081, 0 0 35px rgba(255, 64, 129, 0.7);}
}

p {
  margin: 10px 0;
  font-size: 1.1rem;
  line-height: 1.6;
}

.countdown-container {
  position: relative;
  width: 120px;
  height: 120px;
  margin: 25px auto;
  display: flex;
  justify-content: center;
  align-items: center;
}

.countdown-circle {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: rgba(59, 28, 130, 0.4);
  box-shadow: 0 0 20px rgba(255, 64, 129, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
}

.countdown-progress {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: conic-gradient(#ff4081 0%, #3b1c82 0%);
  animation: countdownFill 5s linear forwards;
  mask: radial-gradient(transparent 55px, #000 56px);
  -webkit-mask: radial-gradient(transparent 55px, #000 56px);
}

.countdown-text {
  font-size: 2.5rem;
  font-weight: 700;
  color: #ffeb3b;
  z-index: 3;
  text-shadow: 0 0 10px rgba(255, 235, 59, 0.8);
  animation: pulse 1s infinite;
}

@keyframes countdownFill {
  from {
    background: conic-gradient(#ff4081 0%, #3b1c82 0%);
  }
  to {
    background: conic-gradient(#ff4081 100%, #3b1c82 0%);
  }
}

.button-container {
  margin-top: 25px;
}

button {
  padding: 15px 30px;
  border: none;
  border-radius: 50px;
  background: linear-gradient(45deg, #ff4081, #e60073);
  color: white;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease-in-out;
  animation: pulse 1.5s infinite;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin: 0 auto;
  box-shadow: 0 5px 15px rgba(255, 64, 129, 0.4);
  position: relative;
  overflow: hidden;
}

button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: 0.5s;
}

button:hover::before {
  left: 100%;
}

@keyframes pulse {
  0% {transform: scale(1); box-shadow: 0 5px 15px rgba(255, 64, 129, 0.4);}
  50% {transform: scale(1.05); box-shadow: 0 10px 20px rgba(255, 64, 129, 0.6);}
  100% {transform: scale(1); box-shadow: 0 5px 15px rgba(255, 64, 129, 0.4);}
}

button:hover {
  background: linear-gradient(45deg, #e60073, #ff4081);
  animation: shake 0.5s;
  transform: translateY(-3px);
}

@keyframes shake {
  0% { transform: translateX(0px);}
  25% { transform: translateX(-5px);}
  50% { transform: translateX(5px);}
  75% { transform: translateX(-5px);}
  100% { transform: translateX(0px);}
}

.footer {
  margin-top: 25px;
  font-size: 0.9rem;
  opacity: 0.8;
}

@keyframes fadeIn {
  from {opacity: 0; transform: translateY(30px);}
  to {opacity: 1; transform: translateY(0);}
}

@keyframes bounce {
  0%, 100% {transform: translateY(0);}
  50% {transform: translateY(-15px);}
}

@media (max-width: 600px) {
  .container {
    padding: 25px 20px;
  }
  
  .logo {
    font-size: 2.8rem;
  }
  
  h1 {
    font-size: 1.8rem;
  }
  
  p {
    font-size: 1rem;
  }
  
  .countdown-container {
    width: 100px;
    height: 100px;
    margin: 20px auto;
  }
  
  .countdown-progress {
    mask: radial-gradient(transparent 45px, #000 46px);
    -webkit-mask: radial-gradient(transparent 45px, #000 46px);
  }
  
  .countdown-text {
    font-size: 2rem;
  }
  
  button {
    padding: 12px 25px;
    font-size: 1rem;
  }
}

@media (max-width: 400px) {
  .container {
    padding: 20px 15px;
  }
  
  h1 {
    font-size: 1.6rem;
  }
  
  .countdown-container {
    width: 90px;
    height: 90px;
  }
  
  .countdown-progress {
    mask: radial-gradient(transparent 40px, #000 41px);
    -webkit-mask: radial-gradient(transparent 40px, #000 41px);
  }
  
  .countdown-text {
    font-size: 1.8rem;
  }
}

.vow-highlight {
  color: #ffeb3b;
  font-weight: 700;
  text-shadow: 0 0 10px rgba(255, 235, 59, 0.8);
}
