.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 26px;
}

.course-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 30px 28px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.course-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: rgba(21, 101, 192, 0.35);
}

.course-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
}

.level-badge {
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    border-radius: 999px;
    padding: 4px 12px;
}

.level-beginner {
    color: #1B5E20;
    background: #E8F5E9;
}

.level-intermediate {
    color: #8D5200;
    background: #FFF3E0;
}

.level-advanced {
    color: #B71C1C;
    background: #FFEBEE;
}

.duration {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
}

.course-card h3 {
    font-size: 1.15rem;
    color: var(--primary-dark);
    margin-bottom: 10px;
}

.course-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    flex-grow: 1;
}

.course-btn {
    align-self: flex-start;
    margin-top: 22px;
    padding: 10px 24px;
    font-size: 0.92rem;
}

.path-card h3 {
    color: var(--primary-dark);
    margin-bottom: 12px;
}

.path-card p {
    color: var(--text-muted);
    margin-bottom: 24px;
}

.empty-courses {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--text-muted);
    font-size: 1.05rem;
    padding: 40px 0;
}

.course-image {
    margin: -4px -4px 16px;
    border-radius: calc(var(--radius) - 4px);
    overflow: hidden;
}

.course-image img {
    width: 100%;
    height: 170px;
    object-fit: cover;
    display: block;
}