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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    overflow-x: hidden;
    background: linear-gradient(135deg, #0C1F33 0%, #4154F1 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

/* Animated background particles */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.particle {
    position: absolute;
    width: 20px;
    height: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 15s infinite;
}

@keyframes float {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }

    10% {
        opacity: 1;
    }

    90% {
        opacity: 1;
    }

    100% {
        transform: translateY(-100vh) rotate(360deg);
        opacity: 0;
    }
}

.container {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 40px 20px;
    max-width: 800px;
    width: 100%;
}

h1 {
    font-size: 3.5rem;
    color: white;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease-out 0.2s both;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.subtitle {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 50px;
    animation: fadeInUp 1s ease-out 0.4s both;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.countdown {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 60px;
    animation: fadeInUp 1s ease-out 0.6s both;
    flex-wrap: wrap;
}

.countdown-item {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 25px 30px;
    border-radius: 15px;
    min-width: 120px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.countdown-number {
    font-size: 3rem;
    font-weight: 700;
    color: white;
    display: block;
    line-height: 1;
}

.countdown-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: 10px;
    display: block;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    .subtitle {
        font-size: 1.1rem;
    }

    .countdown {
        gap: 15px;
    }

    .countdown-item {
        min-width: 90px;
        padding: 20px 15px;
    }

    .countdown-number {
        font-size: 2rem;
    }

    .countdown-label {
        font-size: 0.75rem;
    }
}