:root {
  --bg-gradient-1: #0f0c29;
  --bg-gradient-2: #302b63;
  --bg-gradient-3: #24243e;
  --box-bg: rgba(255, 255, 255, 0.08);
  --box-border: rgba(255, 255, 255, 0.15);
  --text-primary: #ffffff;
  --text-muted: rgba(255, 255, 255, 0.7);
  --accent: #f8c630;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

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

body {
  font-family: "Segoe UI", system-ui, sans-serif;
  background: linear-gradient(135deg, var(--bg-gradient-1), var(--bg-gradient-2), var(--bg-gradient-3));
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  padding: 1rem;
}

.container {
  text-align: center;
  max-width: 800px;
  width: 100%;
}

.title {
  font-size: clamp(1.8rem, 5vw, 3rem);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  background: linear-gradient(90deg, var(--accent), #ff7e5f);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 2.5rem;
}

.target-year {
  color: var(--accent);
  font-weight: 700;
  font-size: 1.4rem;
}

.countdown {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.box {
  background: var(--box-bg);
  border: 1px solid var(--box-border);
  border-radius: 16px;
  padding: 1.5rem 1rem;
  width: 140px;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
  transition: transform 0.2s ease;
}

.box:hover {
  transform: translateY(-4px);
}

.number {
  display: block;
  font-size: 3.2rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(180deg, var(--accent), #ff9a3d);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.label {
  display: block;
  margin-top: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.party {
  margin-top: 2.5rem;
  font-size: 2.5rem;
  font-weight: 800;
  animation: pop 0.6s ease infinite alternate;
}

.hidden {
  display: none;
}

@keyframes pop {
  from {
    transform: scale(1);
  }
  to {
    transform: scale(1.08);
  }
}

@media (max-width: 480px) {
  .countdown {
    gap: 0.8rem;
  }
  .box {
    width: 76px;
    padding: 1rem 0.5rem;
  }
  .number {
    font-size: 2rem;
  }
}