/* Learning Hero */
.learning-hero {
    padding: 120px 0 80px;
    background: var(--gradient-primary);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.learning-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/learning-pattern.svg');
    background-size: cover;
    opacity: 0.1;
    animation: float 20s ease-in-out infinite;
}

.learning-hero .container {
    position: relative;
    z-index: 2;
}

.learning-hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.learning-hero p {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 40px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-top: 40px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 3rem;
    font-family: var(--font-primary);
    font-weight: 900;
    color: var(--accent-gold);
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.8;
}

/* Learning Path */
.learning-path {
    padding: 80px 0;
    background: var(--warm-beige);
}

.path-container {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    margin-top: 50px;
    position: relative;
}

.path-container::before {
    content: '';
    position: absolute;
    top: 50px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(to right, var(--accent-teal), var(--accent-gold));
    z-index: 1;
}

.path-step {
    flex: 1;
    text-align: center;
    position: relative;
    z-index: 2;
}

.step-icon {
    width: 100px;
    height: 100px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin: 0 auto 20px;
    border: 4px solid #ddd;
    transition: all 0.3s ease;
}

.path-step.completed .step-icon {
    border-color: var(--accent-teal);
    background: var(--accent-teal);
    color: white;
}

.path-step.active .step-icon {
    border-color: var(--accent-gold);
    background: var(--accent-gold);
    color: white;
    animation: pulse 2s infinite;
}

.path-step h3 {
    color: var(--primary-dark);
    margin-bottom: 10px;
}

.path-step p {
    color: #666;
    margin-bottom: 15px;
}

.step-status {
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 700;
    display: inline-block;
}

.path-step.completed .step-status {
    background: var(--accent-teal);
    color: white;
}

.path-step.active .step-status {
    background: var(--accent-gold);
    color: var(--primary-dark);
}

.path-step:not(.completed):not(.active) .step-status {
    background: #ddd;
    color: #999;
}

/* Course Categories */
.course-categories {
    padding: 60px 0 40px;
    background: white;
}

.category-tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 12px 30px;
    border: 2px solid var(--primary-dark);
    background: transparent;
    color: var(--primary-dark);
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-primary);
    font-weight: 700;
}

.tab-btn.active,
.tab-btn:hover {
    background: var(--gradient-secondary);
    border-color: transparent;
    color: white;
    box-shadow: var(--shadow-glow);
}

/* Course Grid */
.course-grid-section {
    padding: 40px 0 80px;
    background: white;
}

.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.course-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-deep);
}

.course-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.course-content {
    padding: 25px;
}

.course-category {
    display: inline-block;
    padding: 5px 15px;
    background: var(--accent-teal);
    color: white;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.course-title {
    color: var(--primary-dark);
    margin-bottom: 10px;
    font-size: 1.3rem;
}

.course-description {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 20px;
    line-height: 1.6;
}

.course-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    font-size: 0.9rem;
    color: #999;
}

.course-duration::before {
    content: '⏱ ';
}

.course-students::before {
    content: '👥 ';
}

.course-rating::before {
    content: '⭐ ';
}

.course-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.course-price {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--accent-red);
}

.course-progress {
    font-size: 0.9rem;
    color: var(--accent-teal);
    font-weight: 700;
}

/* Featured Course */
.featured-course {
    padding: 80px 0;
    background: var(--deep-blue);
    color: white;
}

.featured-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.featured-badge {
    display: inline-block;
    padding: 8px 20px;
    background: var(--gradient-secondary);
    color: white;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.featured-info h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: white;
}

.featured-info p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 30px;
}

.course-features {
    list-style: none;
    margin-bottom: 30px;
}

.course-features li {
    margin-bottom: 10px;
    font-size: 1rem;
}

.course-meta {
    display: flex;
    gap: 30px;
    margin-bottom: 30px;
}

.course-meta span {
    font-size: 1rem;
    opacity: 0.9;
}

.video-placeholder {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.video-placeholder img {
    width: 100%;
    height: auto;
    display: block;
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary-dark);
    cursor: pointer;
    transition: all 0.3s ease;
}

.play-button:hover {
    background: white;
    transform: translate(-50%, -50%) scale(1.1);
}

/* Instructor Spotlight */
.instructor-spotlight {
    padding: 80px 0;
    background: var(--warm-beige);
}

.instructor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.instructor-card {
    background: white;
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
}

.instructor-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-deep);
}

.instructor-avatar {
    width: 120px;
    height: 120px;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid var(--accent-gold);
}

.instructor-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.instructor-card h3 {
    color: var(--primary-dark);
    margin-bottom: 10px;
}

.instructor-title {
    color: var(--accent-red);
    font-weight: 700;
    margin-bottom: 15px;
}

.instructor-bio {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 20px;
    line-height: 1.6;
}

.instructor-stats {
    display: flex;
    justify-content: space-around;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.instructor-stats span {
    font-size: 0.9rem;
    color: #666;
}

.instructor-stats span::before {
    content: '• ';
    color: var(--accent-gold);
}

/* Progress Tracker */
.progress-tracker {
    padding: 80px 0;
    background: white;
}

.progress-overview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 50px;
}

.progress-card {
    background: var(--warm-beige);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
}

.progress-circle {
    position: relative;
    margin: 0 auto 30px;
}

.progress-ring-circle {
    transition: stroke-dashoffset 0.35s;
    transform-origin: 50% 50%;
}

.progress-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.progress-number {
    display: block;
    font-size: 2rem;
    font-family: var(--font-primary);
    font-weight: 900;
    color: var(--accent-teal);
}

.progress-label {
    font-size: 0.9rem;
    color: #666;
}

.achievement-list {
    text-align: left;
}

.achievement-list h3 {
    color: var(--primary-dark);
    margin-bottom: 30px;
    text-align: center;
}

.achievement-item {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
    padding: 20px;
    background: white;
    border-radius: 15px;
}

.achievement-icon {
    font-size: 2rem;
}

.achievement-info h4 {
    color: var(--primary-dark);
    margin-bottom: 5px;
}

.achievement-info p {
    color: #666;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .learning-hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        gap: 30px;
    }
    
    .path-container {
        flex-direction: column;
    }
    
    .path-container::before {
        width: 2px;
        height: 100%;
        top: 0;
        left: 50%;
        transform: translateX(-50%);
    }
    
    .featured-content {
        grid-template-columns: 1fr;
    }
    
    .progress-overview {
        grid-template-columns: 1fr;
    }
    
    .category-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 10px;
    }
}