.course-details {
    margin-top: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.btn-enroll {
    width: 100%;
    padding: clamp(0.5rem, 2vw, 1rem) clamp(1rem, 4vw, 2rem);
    font-size: clamp(0.875rem, 2vw, 1rem);
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 500;
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.btn-enroll:hover {
    transform: translateY(-2px);
    background-color: var(--secondary-color);
}