/* Course Details Page Styles */

/* Dual Certificate Display */
.course-certificate__images {
    display: flex;
    flex-direction: column;
    gap: 30px;
    align-items: center;
}

.certificate-image-item {
    position: relative;
    max-width: 100%;
    text-align: center;
}

.certificate-image-item img {
    width: 100%;
    max-width: 300px;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.certificate-image-item img:hover {
    transform: scale(1.05);
}

.certificate-image-item .certificate-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--techguru-base);
    color: var(--techguru-black);
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 5px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.certificate-image-item .certificate-badge i {
    font-size: 14px;
}

/* Responsive adjustments for dual certificates */
@media (max-width: 768px) {
    .course-certificate__images {
        gap: 20px;
    }
    
    .certificate-image-item img {
        max-width: 250px;
    }
    
    .certificate-image-item .certificate-badge {
        top: 10px;
        right: 10px;
        padding: 6px 12px;
        font-size: 11px;
    }
}

/* Page Header Customization */
.course-details-header .page-header__inner {
    padding: 120px 0 80px;
    text-align: center;
}

.course-details-header .page-header__inner h1 {
    font-size: 48px;
    font-weight: 700;
    color: var(--techguru-white);
    margin-bottom: 20px;
    line-height: 1.2;
}

.course-header-meta {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.course-header-meta .course-category-badge {
    background: var(--techguru-base);
    color: var(--techguru-black);
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.course-header-meta .course-duration {
    color: var(--techguru-white);
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.course-header-meta .course-duration i {
    color: var(--techguru-base);
}

.course-header-meta .course-level {
    background: rgba(255, 210, 93, 0.15);
    color: var(--techguru-base);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    border: 1px solid rgba(255, 210, 93, 0.3);
}

/* Course Details Main Section */
.course-details {
    padding: 100px 0;
    background: var(--techguru-black);
}

/* Course Tabs System */
.course-tabs {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 210, 93, 0.1);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.course-tabs__nav {
    display: flex;
    background: rgba(255, 210, 93, 0.05);
    border-bottom: 1px solid rgba(255, 210, 93, 0.1);
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.course-tabs__nav::-webkit-scrollbar {
    display: none;
}

.course-tabs__nav-item {
    flex: 1;
    min-width: 150px;
    background: transparent;
    border: none;
    color: var(--techguru-gray);
    padding: 20px 15px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    position: relative;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.course-tabs__nav-item::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--techguru-base);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.course-tabs__nav-item:hover {
    background: rgba(255, 210, 93, 0.1);
    color: var(--techguru-white);
}

.course-tabs__nav-item.active {
    background: rgba(255, 210, 93, 0.1);
    color: var(--techguru-base);
}

.course-tabs__nav-item.active::before {
    transform: scaleX(1);
}

.course-tabs__nav-item i {
    font-size: 16px;
    transition: transform 0.3s ease;
}

.course-tabs__nav-item:hover i {
    transform: scale(1.1);
}

.course-tabs__content {
    position: relative;
    min-height: 400px;
}

.course-tabs__panel {
    display: none;
    padding: 40px;
    animation: fadeInUp 0.5s ease;
}

.course-tabs__panel.active {
    display: block;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Course Highlights */
.course-highlights {
    margin-top: 40px;
}

.highlights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.highlight-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 210, 93, 0.1);
    border-radius: 10px;
    padding: 25px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.highlight-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--techguru-base), #ffc947);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.highlight-item:hover {
    background: rgba(255, 210, 93, 0.05);
    border-color: rgba(255, 210, 93, 0.3);
    transform: translateY(-5px);
}

.highlight-item:hover::before {
    transform: scaleX(1);
}

.highlight-icon {
    color: var(--techguru-base);
    font-size: 32px;
    margin-bottom: 15px;
    display: block;
}

.highlight-title {
    color: var(--techguru-white);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
}

.highlight-description {
    color: var(--techguru-gray);
    font-size: 14px;
    line-height: 1.5;
}

.course-details__overview,
.course-details__content,
.course-details__outcomes,
.course-details__prerequisites {
    margin-bottom: 60px;
}

.course-details__overview-content {
    display: flex;
    gap: 40px;
    align-items: flex-start;
    margin-top: 30px;
}

.course-details__image {
    flex: 0 0 300px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.course-details__image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.course-details__description {
    flex: 1;
    color: var(--techguru-gray);
    font-size: 16px;
    line-height: 1.8;
}

/* Course Modules */
.course-modules {
    margin-top: 30px;
}

.module-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 210, 93, 0.1);
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.module-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--techguru-base);
    transition: width 0.3s ease;
}

.module-item:hover {
    background: rgba(255, 210, 93, 0.05);
    border-color: rgba(255, 210, 93, 0.3);
    transform: translateX(10px);
}

.module-item:hover::before {
    width: 8px;
}

.module-header {
    display: flex;
    justify-content: between;
    align-items: center;
    margin-bottom: 15px;
}

.module-title {
    color: var(--techguru-white);
    font-size: 20px;
    font-weight: 600;
    margin: 0;
    flex: 1;
}

.module-duration {
    color: var(--techguru-base);
    font-size: 14px;
    font-weight: 600;
    background: rgba(255, 210, 93, 0.1);
    padding: 4px 12px;
    border-radius: 15px;
}

.module-description {
    color: var(--techguru-gray);
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 20px;
}

/* Module Sections */
.module-section {
    margin-bottom: 25px;
}

.module-section:last-child {
    margin-bottom: 0;
}

.module-section-title {
    color: var(--techguru-white);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(255, 210, 93, 0.2);
}

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

.module-section-item {
    display: flex;
    align-items: center;
    padding: 8px 0;
    color: var(--techguru-gray);
    font-size: 14px;
    line-height: 1.5;
}

.module-section-item i {
    color: var(--techguru-base);
    margin-right: 12px;
    font-size: 12px;
    flex-shrink: 0;
}

.module-section-item span {
    flex: 1;
}

.module-topics {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 15px;
}

.topic-tag {
    background: rgba(255, 210, 93, 0.1);
    color: var(--techguru-base);
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 500;
    border: 1px solid rgba(255, 210, 93, 0.2);
}

/* Learning Outcomes */
.learning-outcomes {
    margin-top: 30px;
}

.outcome-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 20px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 10px;
    border-left: 4px solid var(--techguru-base);
    transition: all 0.3s ease;
}

.outcome-item:hover {
    background: rgba(255, 210, 93, 0.05);
    transform: translateX(10px);
}

.outcome-icon {
    flex: 0 0 24px;
    color: var(--techguru-base);
    font-size: 18px;
    margin-top: 2px;
}

.outcome-text {
    color: var(--techguru-gray);
    font-size: 15px;
    line-height: 1.6;
    flex: 1;
}

/* Prerequisites */
.prerequisites-content {
    margin-top: 30px;
}

.prerequisite-item {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
    padding: 15px 20px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 8px;
    border-left: 4px solid var(--techguru-base);
}

.prerequisite-icon {
    color: var(--techguru-base);
    font-size: 16px;
}

.prerequisite-text {
    color: var(--techguru-gray);
    font-size: 15px;
}

/* Sidebar Styles */
.course-details__sidebar {
    position: sticky;
    top: 120px;
}

.course-info-card,
.registration-card,
.related-courses {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 210, 93, 0.1);
    border-radius: 12px;
    margin-bottom: 30px;
    overflow: hidden;
}

.course-info-card__header,
.registration-card__header,
.related-courses__header {
    background: rgba(255, 210, 93, 0.1);
    padding: 20px;
    border-bottom: 1px solid rgba(255, 210, 93, 0.2);
}

.course-info-card__header h3,
.registration-card__header h3,
.related-courses__header h3 {
    color: var(--techguru-white);
    font-size: 18px;
    font-weight: 600;
    margin: 0;
}

.course-info-card__content,
.registration-card__content {
    padding: 25px;
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.info-item:last-child {
    border-bottom: none;
}

.info-label {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--techguru-gray);
    font-size: 14px;
}

.info-label i {
    color: var(--techguru-base);
    width: 16px;
}

.info-value {
    color: var(--techguru-white);
    font-weight: 600;
    font-size: 14px;
}

/* Registration Card */
.course-price {
    text-align: center;
    margin-bottom: 25px;
}

.price-label {
    display: block;
    color: var(--techguru-gray);
    font-size: 14px;
    margin-bottom: 5px;
}

.price-value {
    color: var(--techguru-base);
    font-size: 32px;
    font-weight: 700;
}

.highlight {
    color: var(--techguru-base);
    font-size: 14px;
    font-weight: 800;
}

.registration-buttons {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.registration-btn {
    background: var(--techguru-base);
    color: var(--techguru-black);
    text-align: center;
    padding: 15px 20px;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.registration-btn:hover {
    background: #ffc947;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 210, 93, 0.3);
}

.contact-btn {
    background: transparent;
    color: var(--techguru-base);
    border: 2px solid var(--techguru-base);
    text-align: center;
    padding: 13px 20px;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.contact-btn:hover {
    background: var(--techguru-base);
    color: var(--techguru-black);
    transform: translateY(-2px);
}

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

.related-course-item {
    display: flex;
    gap: 15px;
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.related-course-item:last-child {
    border-bottom: none;
}

.related-course-item:hover {
    background: rgba(255, 210, 93, 0.05);
    margin: 0 -20px;
    padding: 15px 20px;
    border-radius: 8px;
}

.related-course-image {
    flex: 0 0 60px;
    height: 60px;
    border-radius: 8px;
    overflow: hidden;
}

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

.related-course-content {
    flex: 1;
}

.related-course-title {
    color: var(--techguru-white);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 5px;
    line-height: 1.3;
}

.related-course-meta {
    color: var(--techguru-gray);
    font-size: 12px;
}

/* Certificate Section */
.course-certificate {
    padding: 100px 0;
    position: relative;
    background: var(--techguru-black);
}

.course-certificate__bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.1;
    z-index: 1;
}

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

.course-certificate__content {
    padding-right: 40px;
}

.certificate-benefits {
    margin-top: 30px;
}

.certificate-benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 20px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 10px;
    border-left: 4px solid var(--techguru-base);
    transition: all 0.3s ease;
}

.certificate-benefit-item:hover {
    background: rgba(255, 210, 93, 0.05);
    transform: translateX(10px);
}

.certificate-benefit-icon {
    flex: 0 0 24px;
    color: var(--techguru-base);
    font-size: 18px;
    margin-top: 2px;
}

.certificate-benefit-text {
    color: var(--techguru-gray);
    font-size: 15px;
    line-height: 1.6;
    flex: 1;
}

.certificate-cta {
    margin-top: 40px;
}

.course-certificate__image {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.course-certificate__image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.certificate-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--techguru-base);
    color: var(--techguru-black);
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 5px 15px rgba(255, 210, 93, 0.3);
}

.certificate-badge i {
    font-size: 18px;
}

/* Responsive Design */
@media (max-width: 1199px) {
    .course-details__overview-content {
        flex-direction: column;
        gap: 30px;
    }
    
    .course-details__image {
        flex: none;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .course-certificate__content {
        padding-right: 0;
        margin-bottom: 40px;
    }
}

@media (max-width: 991px) {
    .course-details {
        padding: 80px 0;
    }
    
    .course-details-header .page-header__inner h1 {
        font-size: 36px;
    }
    
    .course-header-meta {
        flex-direction: column;
        gap: 15px;
    }
    
    .course-details__sidebar {
        position: static;
        margin-top: 40px;
    }
    
    .course-certificate {
        padding: 80px 0;
    }
    
    /* Tab System Responsive */
    .course-tabs__nav-item {
        min-width: 120px;
        padding: 15px 10px;
        font-size: 13px;
    }
    
    .course-tabs__nav-item span {
        display: none;
    }
    
    .course-tabs__nav-item i {
        font-size: 18px;
    }
    
    .course-tabs__panel {
        padding: 30px;
    }
    
    .highlights-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 15px;
    }
}

@media (max-width: 767px) {
    .course-details {
        padding: 60px 0;
    }
    
    .course-details-header .page-header__inner {
        padding: 100px 0 60px;
    }
    
    .course-details-header .page-header__inner h1 {
        font-size: 28px;
    }
    
    .course-details__overview,
    .course-details__content,
    .course-details__outcomes,
    .course-details__prerequisites {
        margin-bottom: 40px;
    }
    
    .module-item {
        padding: 20px;
    }
    
    .module-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .outcome-item,
    .certificate-benefit-item {
        padding: 15px;
    }
    
    .course-info-card__content,
    .registration-card__content {
        padding: 20px;
    }
    
    .course-certificate {
        padding: 60px 0;
    }
    
    .course-certificate__image img {
        height: 300px;
    }
    
    /* Tab System Mobile */
    .course-tabs__nav {
        flex-wrap: wrap;
    }
    
    .course-tabs__nav-item {
        flex: 1 1 50%;
        min-width: 100px;
        padding: 12px 8px;
        font-size: 12px;
    }
    
    .course-tabs__nav-item i {
        font-size: 16px;
    }
    
    .course-tabs__panel {
        padding: 20px;
    }
    
    .highlights-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .highlight-item {
        padding: 20px;
    }
}

@media (max-width: 575px) {
    .course-details-header .page-header__inner h1 {
        font-size: 24px;
    }
    
    .course-details__image {
        max-width: 100%;
    }
    
    .course-details__image img {
        height: 180px;
    }
    
    .registration-buttons {
        gap: 12px;
    }
    
    .registration-btn,
    .contact-btn {
        padding: 12px 16px;
        font-size: 14px;
    }
    
    .price-value {
        font-size: 28px;
    }
}

/* Animation Classes */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in-up.animate {
    opacity: 1;
    transform: translateY(0);
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Hover Effects */
.module-item,
.outcome-item,
.certificate-benefit-item,
.related-course-item {
    cursor: pointer;
}

/* Focus States for Accessibility */
.registration-btn:focus,
.contact-btn:focus {
    outline: 2px solid var(--techguru-base);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .course-details__sidebar,
    .registration-card,
    .related-courses {
        display: none;
    }
    
    .course-details {
        background: white;
        color: black;
    }
}