/* styles/main.css */
.center-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: calc(100vh - var(--top-nav-height));
    text-align: center;
    padding: 20px;
}

.earth-image {
    width: 300px;
    height: 300px;
    margin-bottom: 20px;
}

.welcome-text {
    font-size: 24px;
    color: var(--text-color);
    margin-bottom: 10px;
    opacity: 0;
    animation: fadeIn 1s ease-in forwards;
}

.sub-text {
    font-size: 16px;
    color: var(--text-gray);
    opacity: 0;
    animation: fadeIn 1s ease-in forwards 0.5s;
}

.rotating {
    animation: rotate 20s linear infinite;
}

/* Animations */
@keyframes fadeIn {
    from { 
        opacity: 0; 
        transform: translateY(20px); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0); 
    }
}

@keyframes rotate {
    from { 
        transform: rotate(0deg); 
    }
    to { 
        transform: rotate(360deg); 
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .earth-image {
        width: 200px;
        height: 200px;
    }

    .welcome-text {
        font-size: 20px;
    }

    .sub-text {
        font-size: 14px;
    }
}