* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", sans-serif;
}

body {
  height: 100vh;
  background: linear-gradient(135deg, #0f172a, #1e293b);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
}

.container {
  width: 100%;
  padding: 20px;
}

.content {
  max-width: 600px;
  margin: auto;
  text-align: center;
  animation: fadeIn 1.2s ease;
}

h1 {
  font-size: 2.4rem;
  margin-bottom: 10px;
}

p {
  color: #cbd5f5;
  margin-bottom: 25px;
}

.countdown {
  display: flex;
  justify-content: space-between;
  margin-bottom: 30px;
}

.countdown div {
  background: rgba(255,255,255,0.1);
  padding: 15px;
  border-radius: 10px;
  width: 23%;
}

.countdown span {
  font-size: 1.8rem;
  font-weight: bold;
  display: block;
}

.countdown small {
  font-size: 0.8rem;
  color: #cbd5f5;
}

.notify {
  display: flex;
  gap: 10px;
  margin-bottom: 25px;
}

.notify input {
  flex: 1;
  padding: 12px;
  border-radius: 8px;
  border: none;
  outline: none;
}

.notify button {
  padding: 12px 20px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  background: #38bdf8;
  color: #000;
  font-weight: bold;
  transition: 0.3s;
}

.notify button:hover {
  background: #0ea5e9;
}

footer {
  font-size: 0.8rem;
  color: #94a3b8;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 600px) {
  .countdown {
    flex-direction: column;
    gap: 10px;
  }

  .countdown div {
    width: 100%;
  }

  .notify {
    flex-direction: column;
  }
}