/* Course Discovery Page */
.course-discovery {
    padding-top: 80px;
    background-color: var(--bg-primary);
}

.course-container {
    max-width: 100%;
    margin: 0 auto;
    padding: 0;
}

.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    width: 100%;
    max-width: 100%;
    margin: 2rem auto;
    padding: 0 2rem;
}

/* Featured Learning Paths */
.featured-paths {
    padding: 4rem 0;
    text-align: center;
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
}

.featured-paths::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-feature-sections);
    opacity: 0.05;
    z-index: 1;
}

.featured-paths > * {
    position: relative;
    z-index: 2;
}

.featured-paths h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(120deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.featured-paths p {
    color: var(--text-secondary);
    margin-bottom: 3rem;
    font-size: 1.2rem;
}

.paths-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    padding: 0 2rem;
}

.path-card {
    background: var(--card-bg);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(10px);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.path-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: var(--accent-secondary);
}

.path-thumbnail {
    position: relative;
    padding-top: 56.25%; /* 16:9 aspect ratio */
    overflow: hidden;
}

.path-thumbnail::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(0deg, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0) 100%);
    z-index: 1;
    opacity: 0.5;
    transition: opacity 0.3s ease;
}

.path-card:hover .path-thumbnail::after {
    opacity: 0.7;
}

.path-thumbnail img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.path-card:hover .path-thumbnail img {
    transform: scale(1.1) rotate(-2deg);
}

.path-content {
    padding: 1.5rem;
    position: relative;
    z-index: 1;
    background: var(--card-bg);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.path-content i {
    font-size: 2.5rem;
    background: linear-gradient(120deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 1.5rem;
    transition: transform 0.3s ease;
}

.path-card:hover .path-content i {
    transform: scale(1.1);
}

.path-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.path-card:hover .path-content h3 {
    background: linear-gradient(120deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    transform: translateX(5px);
}

.path-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.6;
}

.path-features {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.path-features li {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.95rem;
    padding: 0.75rem 0.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.path-card:hover .path-features li {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.path-card .cta-button {
    display: flex;
    width: 100%;
    padding: 1rem 1.5rem;
    background: var(--gradient-primary);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 12px;
    text-align: center;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    font-size: 1.05rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
    margin-top: auto;
}

.path-card .cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: 0.5s;
}

.path-card .cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(64, 224, 208, 0.3);
}

.path-card .cta-button:hover::before {
    left: 100%;
}

/* Course Header */
.course-header {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
    padding: 4rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.course-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: linear-gradient(120deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    opacity: 0;
    animation: fadeIn 0.8s ease-out forwards;
}

.course-header p {
    opacity: 0;
    animation: fadeIn 0.8s ease-out 0.2s forwards;
}

/* Course Filters */
.course-filters {
    display: flex;
    gap: 1rem;
    margin: 2rem;
    background: var(--card-bg);
    border-radius: 12px;
    padding: 1.5rem 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0;
    animation: fadeIn 0.8s ease-out 0.4s forwards;
}

.filter-group {
    flex: 1;
}

.filter-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.filter-group select {
    width: 100%;
    padding: 0.8rem 1rem;
    background: var(--bg-tertiary);
    border: 2px solid var(--input-border);
    border-radius: 8px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-group select:hover {
    border-color: var(--accent-secondary);
}

.filter-group select:focus {
    border-color: var(--accent-primary);
    outline: none;
    box-shadow: 0 0 0 2px rgba(64, 224, 208, 0.1);
}

/* Course Card */
.course-card {
    background: var(--card-bg);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(10px);
}

/* Add animation only for cards that are below the fold */
.course-card.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
}

.course-card.scroll-animate.visible {
    animation: slideUp 0.8s cubic-bezier(0.165, 0.84, 0.44, 1) forwards;
}

/* Course Thumbnail */
.course-thumbnail {
    position: relative;
    padding-top: 56.25%;
    overflow: hidden;
}

.course-thumbnail::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(0deg, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0) 100%);
    z-index: 1;
    opacity: 0.5;
    transition: opacity 0.3s ease;
}

.course-thumbnail img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.course-card:hover .course-thumbnail::after {
    opacity: 0.7;
}

.course-card:hover .course-thumbnail img {
    transform: scale(1.1) rotate(-2deg);
}

.course-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.course-overlay {
    position: absolute;
    top: 1rem;
    left: 1rem;
    right: 1rem;
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    z-index: 2;
}

.path-overlay {
    position: absolute;
    top: 1rem;
    left: 1rem;
    right: 1rem;
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    z-index: 2;
}

.path-overlay span,
.course-overlay span {
    background: rgba(0, 0, 0, 0.6);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    backdrop-filter: blur(4px);
}

/* Course Content */
.course-content {
    padding: 1.5rem;
    position: relative;
    z-index: 1;
    background: var(--card-bg);
}

.course-content h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.course-card:hover .course-content h3 {
    background: linear-gradient(120deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.course-content p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    min-height: 3.2rem;
}

/* Course Meta */
.course-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1rem;
}

.rating {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
}

.rating i {
    color: #FFD700;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.8rem;
    margin: 3rem 0;
    opacity: 0;
    animation: slideUp 0.8s ease-out 0.6s forwards;
}

.pagination-btn {
    padding: 0.8rem 1.2rem;
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.pagination-btn.active {
    background: var(--gradient-primary);
    border: none;
    color: var(--text-primary);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .course-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .course-header {
        padding: 3rem 1.5rem;
    }

    .course-header h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 1024px) {
    .course-filters {
        flex-wrap: wrap;
    }
    
    .filter-group {
        min-width: calc(50% - 0.75rem);
        flex: 0 0 calc(50% - 0.75rem);
    }
}

@media (max-width: 768px) {
    .course-grid {
        grid-template-columns: 1fr;
        padding: 2rem 1rem;
    }
    
    .course-filters {
        margin: 0 1rem;
        padding: 1rem;
    }
    
    .filter-group {
        min-width: 100%;
        flex: 0 0 100%;
    }
    
    .pagination {
        gap: 0.5rem;
    }

    .course-header h1 {
        font-size: 2rem;
    }

    .course-content {
        padding: 1rem;
    }
}