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

body {
    font-family: 'Arial', sans-serif;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: url('https://images.unsplash.com/photo-1605540436563-5bca919ae766?q=80&w=2070') no-repeat center center fixed;
    background-size: cover;
    color: #fff;
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1;
}

.container {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 2rem;
}

h1 {
    font-size: 4rem;
    font-weight: 300;
    letter-spacing: 8px;
    margin-bottom: 3rem;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
}

#countdown {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.time-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 100px;
}

.time {
    font-size: 4rem;
    font-weight: 700;
    line-height: 1;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
}

.label {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: 0.5rem;
    opacity: 0.9;
}

.date {
    font-size: 1.5rem;
    font-weight: 300;
    letter-spacing: 4px;
    opacity: 0.9;
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
        letter-spacing: 4px;
    }
    
    #countdown {
        gap: 1rem;
    }
    
    .time {
        font-size: 2.5rem;
    }
    
    .time-block {
        min-width: 70px;
    }
    
    .label {
        font-size: 0.7rem;
    }
}