/* Course Detail Page Styles */

/* Hero Section */
.course-detail-hero {
    background: linear-gradient(135deg, rgba(10, 10, 20, 0.9) 0%, rgba(30, 30, 60, 0.9) 100%), url('images/Image-A6XDFT8-800x533-1.jpg');
    background-size: cover;
    background-position: center;
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
}

.course-detail-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(0, 207, 255, 0.1) 0%, transparent 70%);
    z-index: 1;
}

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

.course-breadcrumbs {
    margin-bottom: 30px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9em;
}

.course-breadcrumbs a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.3s ease;
}

.course-breadcrumbs a:hover {
    color: var(--primary-color);
}

.course-hero-content {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 40px;
    align-items: start;
}

.course-hero-text h1 {
    font-size: 3em;
    margin-bottom: 20px;
    color: white;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.course-hero-text h1 span {
    background: linear-gradient(135deg, var(--gold-accent) 0%, #ffd700 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
}

.course-hero-text h1 span::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, var(--gold-accent) 50%, transparent 100%);
}

.course-hero-text p {
    font-size: 1.2em;
    max-width: 700px;
    margin-bottom: 30px;
    color: rgba(255, 255, 255, 0.9);
}

.course-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 30px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.1);
    padding: 10px 15px;
    border-radius: 30px;
    color: white;
}

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

.course-instructor {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.instructor-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary-color);
}

.instructor-info p {
    margin: 0;
    font-size: 0.9em;
    color: rgba(255, 255, 255, 0.8);
}

.course-rating {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.8);
}

.stars {
    color: var(--gold-accent);
}

/* Course Hero Card */
.course-hero-card {
    background: linear-gradient(135deg, rgba(30, 30, 60, 0.9) 0%, rgba(20, 20, 40, 0.9) 100%);
    border-radius: 15px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.course-preview {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.course-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.preview-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
}

.course-preview:hover .preview-overlay {
    opacity: 1;
}

.preview-button {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(0, 207, 255, 0.8);
    color: white;
    padding: 10px 20px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.preview-button:hover {
    background: var(--primary-color);
    transform: scale(1.05);
}

.course-pricing {
    padding: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.price-container {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.original-price {
    text-decoration: line-through;
    color: rgba(255, 255, 255, 0.5);
    font-size: 1.1em;
}

.sale-price {
    font-size: 2em;
    font-weight: 700;
    color: var(--primary-color);
}

.discount-badge {
    background: var(--gold-accent);
    color: var(--dark-bg);
    padding: 3px 8px;
    border-radius: 20px;
    font-size: 0.8em;
    font-weight: 700;
}

.time-limited {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9em;
    margin: 0;
}

.course-actions {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.course-includes {
    padding: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.course-includes h4 {
    margin-top: 0;
    margin-bottom: 15px;
    color: white;
}

.course-includes ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.course-includes ul li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    color: rgba(255, 255, 255, 0.8);
}

.course-includes ul li i {
    color: var(--primary-color);
}

.guarantee {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 15px 20px;
    background: rgba(255, 255, 255, 0.05);
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9em;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.guarantee i {
    color: var(--gold-accent);
}

/* Course Content Section */
.course-content-section {
    background-color: var(--dark-bg);
}

.course-content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    align-items: start;
}

.course-main-content > div {
    margin-bottom: 60px;
}

.course-main-content h2 {
    font-size: 2em;
    margin-bottom: 30px;
    color: white;
}

.course-main-content h2 span {
    color: var(--gold-accent);
}

/* Learning Objectives */
.learning-objectives {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.objective-item {
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.objective-item i {
    color: var(--primary-color);
    font-size: 1.2em;
    margin-top: 3px;
}

.objective-item p {
    margin: 0;
    color: rgba(255, 255, 255, 0.9);
}

/* Course Overview */
.course-overview p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
    margin-bottom: 20px;
}

/* Course Curriculum */
.curriculum-modules {
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    overflow: hidden;
}

.module {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.module:last-child {
    border-bottom: none;
}

.module-header {
    padding: 20px;
    background: rgba(30, 30, 60, 0.7);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.module-header h3 {
    margin: 0;
    font-size: 1.2em;
    color: white;
    flex: 1;
}

.module-details {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9em;
    margin-right: 20px;
}

.module-toggle {
    color: var(--primary-color);
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(0, 207, 255, 0.1);
}

.module-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.module.active .module-content {
    max-height: 1000px;
}

.lessons-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.lessons-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    color: rgba(255, 255, 255, 0.8);
}

.lessons-list li:last-child {
    border-bottom: none;
}

.lesson-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

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

.lesson-info i.fa-lock {
    color: rgba(255, 255, 255, 0.5);
}

.lesson-duration {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9em;
}

/* Course Requirements */
.course-requirements ul {
    padding-left: 20px;
}

.course-requirements ul li {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 10px;
}

/* Course Testimonials */
.course-testimonials .testimonial-grid {
    margin-top: 30px;
}

/* Sidebar */
.course-sidebar {
    position: sticky;
    top: 100px;
}

.sidebar-card {
    background: linear-gradient(135deg, rgba(30, 30, 60, 0.9) 0%, rgba(20, 20, 40, 0.9) 100%);
    border-radius: 15px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    margin-bottom: 30px;
}

.enrollment-card {
    padding: 20px;
}

.instructor-card {
    padding: 20px;
}

.instructor-card h3 {
    margin-top: 0;
    margin-bottom: 20px;
    color: white;
    font-size: 1.3em;
}

.instructor-profile {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.instructor-profile .instructor-avatar {
    width: 70px;
    height: 70px;
}

.instructor-profile .instructor-info h4 {
    margin: 0 0 5px;
    color: white;
}

.instructor-profile .instructor-info p {
    margin: 0;
    color: var(--primary-color);
    font-size: 0.9em;
}

.instructor-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 20px;
}

.instructor-stats .stat-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.instructor-stats .stat-item i {
    color: var(--primary-color);
    font-size: 1.2em;
}

.instructor-stats .stat-details {
    display: flex;
    flex-direction: column;
}

.instructor-stats .stat-value {
    color: white;
    font-weight: 600;
}

.instructor-stats .stat-label {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.8em;
}

.instructor-bio {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95em;
    line-height: 1.6;
    margin-bottom: 15px;
}

/* Related Courses */
.related-courses-card {
    padding: 20px;
}

.related-courses-card h3 {
    margin-top: 0;
    margin-bottom: 20px;
    color: white;
    font-size: 1.3em;
}

.related-course {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.related-course:last-of-type {
    border-bottom: none;
}

.related-course-image {
    width: 80px;
    height: 60px;
    object-fit: cover;
    border-radius: 5px;
}

.related-course-info h4 {
    margin: 0 0 5px;
    font-size: 1em;
    color: white;
}

.related-course-info .course-rating {
    margin-bottom: 5px;
}

.related-course-info .course-rating .stars {
    font-size: 0.8em;
}

.related-course-info .course-pricing {
    padding: 0;
    border: none;
}

.related-course-info .course-pricing .sale-price {
    font-size: 1.1em;
}

.bundle-offer {
    background: rgba(0, 207, 255, 0.1);
    padding: 15px;
    border-radius: 10px;
    margin-top: 20px;
}

.bundle-offer h4 {
    margin: 0 0 5px;
    color: white;
}

.bundle-offer p {
    color: var(--primary-color);
    font-size: 0.9em;
    margin: 0 0 10px;
}

.bundle-offer .bundle-pricing {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.bundle-offer .original-price {
    font-size: 0.9em;
}

.bundle-offer .sale-price {
    font-size: 1.3em;
}

/* Responsive Styles */
@media (max-width: 992px) {
    .course-hero-content {
        grid-template-columns: 1fr;
    }
    
    .course-content-grid {
        grid-template-columns: 1fr;
    }
    
    .course-sidebar {
        position: static;
    }
    
    .learning-objectives {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .course-detail-hero {
        padding: 100px 0 60px;
    }
    
    .course-hero-text h1 {
        font-size: 2.2em;
    }
    
    .course-highlights {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .instructor-stats {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .module-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .module-details {
        margin: 5px 0 10px;
    }
    
    .module-toggle {
        position: absolute;
        right: 20px;
        top: 20px;
    }
}