.btu-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: linear-gradient(135deg, #007bff, #0056d2);
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 86, 210, 0.25);
    transition: all 0.3s ease;
}

.btu-link:hover {
    background: linear-gradient(135deg, #0056d2, #003f9e);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 86, 210, 0.35);
}

.btu-link:active {
    transform: translateY(0);
}

.btu-icon {
    font-size: 14px;
    transition: transform 0.3s ease;
}

.btu-link:hover .btu-icon {
    transform: translateX(4px);
}