* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans', sans-serif;
    line-height: 1.6;
    color: #000000;
    background: #ffffff;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.header {
    background: white;
    border-bottom: 1px solid #ff6b35;
    padding: 1.5rem 0;
    text-align: center;
    box-shadow: 0 1px 3px rgba(255, 107, 53, 0.1);
}

.header h1 {
    font-family: 'Cal Sans', sans-serif;
    font-size: 3rem;
    color: #000000;
    margin-bottom: 0.3rem;
    font-weight: 600;
}

.header p {
    color: #666666;
    font-size: 1.2rem;
    font-weight: 300;
    margin-bottom: 0;
}

.header-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin: 2rem 0;
    padding: 2rem 0;
}

.btn-header {
    background: #ff6b35;
    color: white;
    padding: 0.8rem 1.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.15);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-header:hover {
    background: #e55a2b;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.25);
    color: white;
}

.btn-header i {
    font-size: 1rem;
}

.header-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.header-text {
    flex: 1;
    text-align: center;
}

.header-image {
    flex: 0 0 auto;
    text-align: center;
    margin: 0 auto;
    padding: 0;
    display: flex;
    justify-content: center;
}

.header-image img {
    width: auto;
    height: 450px;
    max-height: 450px;
    object-fit: contain;
    background: none;
    display: block;
    margin: 0;
}

.main {
    padding: 3rem 0;
}

.course-controls {
    display: block;
    margin-bottom: 3rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 500;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    margin: 0 0.5rem;
}

.btn-primary {
    background: #ff6b35;
    color: white;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.2);
}

.btn-primary:hover {
    background: #e55a2b;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.3);
}

.btn-edit {
    background: #ff6b35;
    color: white;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.2);
}

.btn-edit:hover {
    background: #e55a2b;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.3);
}

.btn-secondary {
    background: white;
    color: #666666;
    border: 1px solid #cccccc;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.btn-secondary:hover {
    background: #f8f8f8;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.btn-back {
    background: transparent;
    color: #666666;
    border: 1px solid #cccccc;
    margin-bottom: 2rem;
}

.btn-back:hover {
    background: #f8f8f8;
    color: #000000;
}

.course-content {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
}

.modules-list {
    display: grid;
    gap: 1.5rem;
}

.module-card {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid #cccccc;
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.module-thumbnail {
    flex: 0 0 120px;
    width: 120px;
    height: 68px;
    border-radius: 8px;
    overflow: hidden;
}

.module-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.module-text {
    flex: 1;
}

.module-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(255, 107, 53, 0.12);
    border-color: #ff6b35;
}

.module-card h3 {
    font-family: 'Cal Sans', sans-serif;
    font-size: 1.3rem;
    color: #000000;
    margin-bottom: 0.5rem;
}

.module-meta {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
    font-size: 0.9rem;
    color: #666666;
}

.module-meta span {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.module-details {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
}

.module-header {
    margin-bottom: 2rem;
}

.module-header h2 {
    font-family: 'Cal Sans', sans-serif;
    font-size: 2rem;
    color: #000000;
    margin-bottom: 1.5rem;
}

.module-video {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.module-video iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.module-description {
    background: #f8f8f8;
    border-radius: 12px;
    padding: 2rem;
    margin: 2rem 0;
    border-left: 4px solid #ff6b35;
}

.module-description h4 {
    color: #000000;
    margin-bottom: 1rem;
    font-family: 'Cal Sans', sans-serif;
}

.module-videos {
    margin-top: 2rem;
}

.module-videos h4 {
    font-family: 'Cal Sans', sans-serif;
    color: #000000;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.video-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.video-item {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    cursor: pointer;
    border: 1px solid #cccccc;
}

.video-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(255, 107, 53, 0.12);
    border-color: #ff6b35;
}

.video-item h5 {
    color: #000000;
    margin-bottom: 1rem;
    font-weight: 600;
    font-family: 'Cal Sans', sans-serif;
    font-size: 1.1rem;
}

.upload-area {
    border: 2px dashed rgba(255, 255, 255, 0.3);
    border-radius: 16px;
    padding: 3rem;
    text-align: center;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.upload-area:hover {
    border-color: rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.05);
}

.upload-area h3 {
    font-family: 'Cal Sans', sans-serif;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.registration-section {
    background: linear-gradient(135deg, #ff6b35 0%, #e55a2b 100%);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    color: white;
    margin-top: 1rem;
}

.registration-section p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.registration-btn {
    background: white !important;
    color: #ff6b35 !important;
    font-weight: 600;
    font-size: 1.1rem;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.2);
}

.registration-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(255, 255, 255, 0.3);
    background: #f8f8f8 !important;
}

.video-slider-container {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    border: 1px solid #cccccc;
}

.slider-title {
    font-family: 'Cal Sans', sans-serif;
    font-size: 1.8rem;
    color: #000000;
    margin-bottom: 1.5rem;
    text-align: center;
}

.video-slider {
    display: flex;
    gap: 1rem;
    overflow-x: auto;
    scroll-behavior: smooth;
    padding: 1rem 0;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.video-slider::-webkit-scrollbar {
    display: none;
}

.video-slide {
    flex: 0 0 300px;
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border: 1px solid #cccccc;
    transition: all 0.3s ease;
}

.video-slide:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(255, 107, 53, 0.15);
}

.slide-video {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%;
    background: #000;
}

.slide-video iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.slide-content {
    padding: 1.5rem;
    text-align: center;
}

.slide-title {
    font-family: 'Cal Sans', sans-serif;
    font-size: 1.2rem;
    color: #000000;
    margin-bottom: 0.8rem;
    line-height: 1.3;
}

.slide-meta {
    font-size: 0.9rem;
    color: #666666;
    margin-bottom: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.slide-btn {
    padding: 0.8rem 1.5rem;
    font-size: 0.9rem;
    border-radius: 50px;
}

.slider-nav {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1.5rem;
}

.slider-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 1px solid #cccccc;
    background: white;
    color: #666666;
    font-size: 24px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-btn:hover {
    background: #ff6b35;
    color: white;
    transform: scale(1.1);
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.slider-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.footer {
    background: #000000;
    color: white;
    padding: 2rem 0;
    text-align: center;
    margin-top: 0;
}

.footer p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border-radius: 50%;
    font-size: 1.5rem;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    color: white;
}

.sharing-section {
    background: linear-gradient(135deg, #f8f8f8 0%, #e5e5e5 100%);
    border-radius: 20px;
    padding: 3rem 2rem;
    margin-top: 3rem;
    text-align: center;
    border: 1px solid #cccccc;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.sharing-section h4 {
    font-family: 'Cal Sans', sans-serif;
    color: #000000;
    margin-bottom: 2rem;
    font-size: 1.5rem;
    font-weight: 600;
}

.sharing-video {
    margin-bottom: 2.5rem;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
    display: inline-block;
}

.sharing-video video {
    width: 100%;
    max-width: 600px;
    height: auto;
    border-radius: 16px;
    display: block;
}

.copy-section {
    background: white;
    border: 2px solid #cccccc;
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.copy-section h5 {
    font-family: 'Cal Sans', sans-serif;
    color: #000000;
    margin-bottom: 1rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.copy-text-box {
    display: flex;
    gap: 0.5rem;
    align-items: stretch;
}

.copy-text {
    flex: 1;
    padding: 1rem;
    border: 1px solid #cccccc;
    border-radius: 8px;
    font-size: 0.9rem;
    color: #666666;
    background: #f8f8f8;
    resize: none;
    font-family: inherit;
    line-height: 1.4;
    min-height: 80px;
}

.copy-btn {
    padding: 1rem 1.5rem;
    background: #ff6b35;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    white-space: nowrap;
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.copy-btn:hover {
    background: #e55a2b;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.copy-btn.copied {
    background: #48bb78;
}

.sharing-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.2rem;
    max-width: 400px;
    margin: 0 auto;
}

.share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    padding: 1rem 1.5rem;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    color: white;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    position: relative;
    overflow: hidden;
}

.share-btn: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: left 0.5s;
}

.share-btn:hover:before {
    left: 100%;
}

.share-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

.share-btn i {
    font-size: 1.2rem;
}

.share-btn.tiktok {
    background: #000;
}

.share-btn.facebook {
    background: #1877f2;
}

.share-btn.instagram {
    background: #ff6b35;
}

.share-btn.threads {
    background: #000000;
}

.share-btn.whatsapp {
    background: #25d366;
}

.share-btn.twitter {
    background: #1da1f2;
}

.share-btn.linkedin {
    background: #0077b5;
}

.share-btn.telegram {
    background: #0088cc;
}

.share-btn.pinterest {
    background: #ff6b35;
}

.share-btn.reddit {
    background: #ff4500;
}

.exit-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 20000;
    backdrop-filter: blur(8px);
}

.exit-modal-content {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    width: 90%;
    max-width: 700px;
    text-align: center;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
    animation: exitModalSlideIn 0.4s ease-out;
    position: relative;
}

@keyframes exitModalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.8);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.close-modal-x {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    background: none;
    border: none;
    font-size: 2rem;
    color: #666666;
    cursor: pointer;
    padding: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.close-modal-x:hover {
    background: #f5f5f5;
    color: #000000;
    transform: scale(1.1);
}

.exit-modal-content h3 {
    font-family: 'Cal Sans', sans-serif;
    font-size: 2rem;
    color: #000000;
    margin-bottom: 1rem;
}

.exit-modal-content p {
    color: #666666;
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.exit-video-container {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%;
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 2rem;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.exit-video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.exit-modal-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.visit-market-btn,
.free-course-btn {
    padding: 1.2rem 2rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.visit-market-btn {
    background: #ff6b35;
    color: white;
}

.visit-market-btn:hover {
    background: #e55a2b;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.3);
    color: white;
}

.free-course-btn {
    background: white;
    color: #ff6b35;
    border: 2px solid #ff6b35;
}

.free-course-btn:hover {
    background: #ff6b35;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.3);
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    backdrop-filter: blur(5px);
}

.modal-content {
    background: white;
    border-radius: 20px;
    padding: 0;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-30px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    padding: 2rem 2rem 1rem 2rem;
    border-bottom: 1px solid #e5e5e5;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    font-family: 'Cal Sans', sans-serif;
    color: #000000;
    margin: 0;
    font-size: 1.5rem;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #666666;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.close-btn:hover {
    background: #f5f5f5;
    color: #000000;
}

.modal-body {
    padding: 1rem 2rem 2rem 2rem;
}

.resource-video-container {
    margin-bottom: 1.5rem;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.resource-video-container video {
    width: 100%;
    height: auto;
    display: block;
}

.resource-message {
    font-size: 1.1rem;
    color: #666666;
    text-align: center;
    line-height: 1.6;
    margin: 0;
}

.modal-footer {
    padding: 1rem 2rem 2rem 2rem;
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.bottom-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.resources-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 16px;
    padding: 2rem;
    margin: 2rem 0;
    border: 1px solid #dee2e6;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.06);
}

.resources-section h4 {
    font-family: 'Cal Sans', sans-serif;
    color: #000000;
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.resources-section h4:before {
    content: "🔗";
    font-size: 1.2rem;
}

.resources-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.resource-item {
    background: white;
    border: 2px solid #e9ecef;
    border-radius: 12px;
    padding: 1.2rem 1.5rem;
    text-decoration: none;
    color: #495057;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-weight: 500;
    font-size: 1rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
    position: relative;
    overflow: hidden;
}

.resource-item:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, #ff6b35, #e55a2b);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.resource-item:hover {
    border-color: #ff6b35;
    color: #ff6b35;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.15);
}

.resource-item:hover:before {
    transform: scaleY(1);
}

.resource-item i {
    font-size: 1.1rem;
    opacity: 0.8;
    transition: all 0.3s ease;
    color: #ff6b35;
}

.resource-item:hover i {
    opacity: 1;
    transform: scale(1.1);
}

.resource-item span {
    font-weight: 600;
    flex: 1;
}

.free-content-banner {
    display: inline-block;
    background: linear-gradient(135deg, #ff6b35 0%, #e55a2b 100%);
    color: white;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.2);
    animation: bannerPulse 2s ease-in-out infinite;
}

@keyframes bannerPulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 4px 15px rgba(255, 107, 53, 0.2);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 6px 25px rgba(255, 107, 53, 0.3);
    }
}

@media (max-width: 768px) {
    .header h1 {
        font-size: 2rem;
    }
    
    .header p {
        font-size: 1rem;
        margin-bottom: 0;
    }
    
    .header-buttons {
        gap: 0.5rem;
        flex-direction: column;
        align-items: center;
        margin-bottom: 1.5rem;
    }
    
    .btn-header {
        padding: 0.7rem 1.2rem;
        font-size: 0.85rem;
        width: 200px;
        justify-content: center;
    }
    
    .module-header h2 {
        font-size: 1.5rem;
    }
    
    .course-content,
    .module-details {
        padding: 1.5rem;
        margin: 0 10px;
    }

    .video-slider-container {
        padding: 1rem;
        margin: 0 10px;
    }

    .video-slider {
        gap: 0.8rem;
        padding: 0.8rem 0;
    }

    .video-slide {
        flex: 0 0 280px;
    }

    .slide-content {
        padding: 1rem;
    }

    .slide-title {
        font-size: 1rem;
    }

    .slide-btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.8rem;
    }

    .slider-btn {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }

    .module-card {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .module-thumbnail {
        flex: 0 0 100px;
        width: 100px;
        height: 56px;
    }
    
    .header-content {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }
    
    .header-text {
        text-align: center;
    }
    
    .header-image img {
        width: auto;
        height: 360px;
        max-height: 360px;
        background: none;
        margin: 0;
    }
    
    .footer {
        padding: 1.5rem 0;
        margin-top: 0;
    }
    
    .footer p {
        font-size: 1rem;
        margin-bottom: 1rem;
        line-height: 1.5;
    }
    
    .social-links {
        gap: 1rem;
    }
    
    .social-link {
        width: 45px;
        height: 45px;
        font-size: 1.3rem;
    }
    
    .copy-section {
        padding: 1.2rem;
        margin: 1.5rem 10px 2rem 10px;
    }
    
    .copy-section h5 {
        font-size: 1rem;
        margin-bottom: 1rem;
        text-align: center;
    }
    
    .copy-text-box {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
    
    .copy-text {
        min-height: 100px;
        font-size: 0.95rem;
        padding: 1.2rem;
        line-height: 1.5;
    }
    
    .copy-btn {
        width: 100%;
        padding: 1.2rem;
        font-size: 1rem;
        min-height: auto;
        border-radius: 10px;
        font-weight: 700;
    }
    
    .free-content-banner {
        padding: 0.7rem 1.5rem;
        font-size: 0.9rem;
        margin-bottom: 1rem;
    }
    
    .sharing-buttons {
        grid-template-columns: 1fr;
        gap: 1rem;
        max-width: none;
        margin-top: 1.5rem;
    }
    
    .share-btn {
        padding: 1.2rem;
        font-size: 1rem;
        border-radius: 10px;
    }
}

@media (max-width: 480px) {
    .btn-header {
        width: 180px;
        padding: 0.6rem 1rem;
        font-size: 0.8rem;
    }
    
    .video-slide {
        flex: 0 0 250px;
    }
    
    .slider-title {
        font-size: 1.4rem;
    }
    
    .module-thumbnail {
        flex: 0 0 80px;
        width: 80px;
        height: 45px;
    }
    
    .header-image img {
        width: auto;
        height: 300px;
        max-height: 300px;
        background: none;
        margin: 0;
    }
    
    .social-link {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
    
    .copy-section {
        padding: 1rem;
        margin: 1rem 5px 1.5rem 5px;
        border-radius: 10px;
    }
    
    .copy-section h5 {
        font-size: 0.95rem;
        margin-bottom: 0.8rem;
    }
    
    .copy-text {
        min-height: 120px;
        font-size: 0.9rem;
        padding: 1rem;
        line-height: 1.6;
    }
    
    .copy-btn {
        padding: 1rem;
        font-size: 0.95rem;
        border-radius: 8px;
    }
    
    .free-content-banner {
        padding: 0.6rem 1.2rem;
        font-size: 0.85rem;
        margin-bottom: 0.8rem;
    }
    
    .sharing-buttons {
        gap: 0.8rem;
        margin-top: 1.2rem;
    }
    
    .share-btn {
        padding: 1rem;
        font-size: 0.95rem;
        border-radius: 8px;
    }
}

.mobile-break {
    display: inline;
}