{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #0f172a;
    color: #e2e8f0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    text-align: center;
    padding: 20px;
    background-image: linear-gradient(rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.9)), url('images/bg-pattern.png');
    background-size: cover;
    background-position: center;
}

.container {
    max-width: 400px;
    padding: 40px;
    background-color: rgba(22, 33, 62, 0.8);
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
}

.logo {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    margin-bottom: 20px;
    object-fit: cover;
    border: 3px solid #00aaff;
    box-shadow: 0 0 20px rgba(0, 170, 255, 0.5);
}

h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    color: #00aaff;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.tagline {
    font-size: 1.2rem;
    margin-bottom: 40px;
    color: #e2e8f0;
}

.countdown {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
}

.countdown-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.countdown-value {
    font-size: 2.5rem;
    font-weight: bold;
    color: #00aaff;
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 10px;
    padding: 10px 15px;
    min-width: 80px;
}

.countdown-label {
    font-size: 0.9rem;
    margin-top: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.current-time {
    font-size: 1.2rem;
    margin-bottom: 30px;
    background-color: rgba(0, 0, 0, 0.2);
    padding: 10px 20px;
    border-radius: 10px;
    display: inline-block;
}

.back-btn {
    display: inline-block;
    background-color: #00aaff;
    color: white;
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    margin-top: 20px;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    box-shadow: 0 4px 15px rgba(0, 170, 255, 0.4);
}

.back-btn:hover {
    background-color: #0088cc;
    transform: translateY(-3px);
}

.social-icons {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 30px;
}

.social-icons a {
    color: #e2e8f0;
    font-size: 1.5rem;
    transition: color 0.3s;
    background-color: rgba(0, 0, 0, 0.2);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.3s ease;
}

.social-icons a:hover {
    color: #00aaff;
    background-color: rgba(0, 0, 0, 0.4);
    transform: translateY(-3px);
}

@media (max-width: 768px) {
    .countdown {
        flex-wrap: wrap;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    .countdown-value {
        font-size: 1.8rem;
        min-width: 60px;
    }
}