.main-content {
    backdrop-filter: blur(5px); /* blurs background behind content */
    background-color: rgba(255,255,255,0.1); /* semi-transparent layer */
    padding: 20px;
    border-radius: 12px;
    color: var(--text-color);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.4);  
}

a {
    text-decoration: none;
    font-weight: bold;
    color: var(--text-color);
    text-shadow: 1px 1px 2px #003610;
    transition: color 0.3s;
    position: relative;
}
a:hover {
    color: var(--text-color) !important;
    /* font-size: 44px; */
    text-shadow: 1px 1px 2px #001F4D;
}
a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -5px;
    width: 0;
    height: 3px;
    background-color: var(--text-color);
    transition: width 1.1s ease;
}

a:hover::after {
    width: 100%; /* underline grows on hover */
}