/* Courses Section */
.courses {
    padding: 6rem 0;
    background: var(--bg-light);
}

.course-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--border-light);
    background: transparent;
    color: var(--text-dark);
    border-radius: 50px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--primary-color);
    color: var(--bg-white);
    border-color: var(--primary-color);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.course-card {
    background: var(--bg-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 2px solid transparent;
}

.course-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.course-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.course-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.course-card:hover .course-image img {
    transform: scale(1.05);
}

.course-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--bg-white);
}

.course-badge:not(.new):not(.trending) {
    background: var(--accent-color);
}

.course-badge.new {
    background: #8B5CF6;
}

.course-badge.trending {
    background: #10B981;
}

.course-level {
    position: absolute;
    bottom: 1rem;
    right: 1rem;
    background: rgba(0, 0, 0, 0.8);
    color: var(--bg-white);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 500;
}

.course-content {
    padding: 2rem;
}

.course-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.course-category {
    background: rgba(0, 71, 144, 0.1);
    color: var(--primary-color);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.course-rating {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.course-rating i {
    color: #FFD700;
    font-size: 0.875rem;
}

.course-rating span {
    font-size: 0.875rem;
    color: var(--text-light);
}

.course-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.course-content p {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.course-instructor {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.course-instructor img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.course-instructor span {
    font-size: 0.875rem;
    color: var(--text-light);
}

.course-info {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-light);
}

.info-item i {
    color: var(--primary-color);
}

.course-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.course-price {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.current-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
}

.old-price {
    font-size: 1rem;
    color: var(--text-muted);
    text-decoration: line-through;
}

.discount {
    background: #EF4444;
    color: var(--bg-white);
    padding: 0.125rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.courses-cta {
    text-align: center;
}