.course-hero {
    position: relative;
    width: 100%;
    height: 50vh;
    background: linear-gradient(135deg, rgba(10, 10, 10, 0.7) 0%, rgba(232, 26, 36, 0.3) 100%),
                var(--course-bg-image, url('https://images.unsplash.com/photo-1542038784456-1ea8e935640e?w=1920')) center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    margin-top: 80px;
}

.course-hero-content {
    z-index: 1;
    max-width: 900px;
    padding: 0 2rem;
}

.course-hero-title {
    font-size: 4rem;
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    text-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.course-hero-subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--color-text);
    letter-spacing: 1px;
}

.course-details {
    padding: 80px 20px;
    max-width: 1000px;
    margin: 0 auto;
}

.course-header {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
    margin-bottom: 60px;
}

.course-image-container {
    width: 100%;
    aspect-ratio: 16/9;
    background: linear-gradient(135deg, rgba(232, 26, 36, 0.1) 0%, rgba(232, 26, 36, 0.05) 100%);
    border: 2px solid var(--color-primary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6rem;
    overflow: hidden;
}

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

.course-info h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.course-description {
    font-size: 1.1rem;
    color: var(--color-text);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.course-features {
    list-style: none;
    margin-bottom: 2rem;
}

.course-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--color-text);
    margin-bottom: 12px;
    font-size: 1rem;
}

.course-features li::before {
    content: '✓';
    color: var(--color-primary);
    font-weight: bold;
    font-size: 1.2rem;
}

.course-price-container {
    padding: 2rem;
    background: linear-gradient(135deg, rgba(232, 26, 36, 0.1) 0%, rgba(232, 26, 36, 0.05) 100%);
    border: 2px solid var(--color-primary);
    border-radius: 16px;
    text-align: center;
}

.course-price {
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.course-price-label {
    color: var(--color-text);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    display: block;
}

.btn-buy {
    display: inline-block;
    padding: 1rem 3rem;
    background: var(--gradient-primary);
    color: var(--color-bg);
    border: none;
    border-radius: 12px;
    font-weight: 700;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid var(--color-primary);
}

.btn-buy:hover {
    background: var(--gradient-primary-hover);
    box-shadow: var(--glow);
    transform: scale(1.05);
}

.course-content-section {
    margin-top: 60px;
}

.course-content-section h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.course-content-section p {
    font-size: 1.1rem;
    color: var(--color-text);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.course-modules {
    margin-top: 40px;
}

.module {
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid #333;
    border-radius: 12px;
    margin-bottom: 15px;
    overflow: hidden;
}

.module-header {
    padding: 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.module-header:hover {
    background: rgba(232, 26, 36, 0.1);
}

.module-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-white);
}

.module-icon {
    color: var(--color-primary);
    font-size: 1.2rem;
    transition: var(--transition);
}

.module.open .module-icon {
    transform: rotate(180deg);
}

.module-content {
    display: none;
    padding: 0 20px 20px;
    color: var(--color-text);
    line-height: 1.6;
}

.module.open .module-content {
    display: block;
}

.eduzz-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.eduzz-modal.active {
    display: flex;
}

.eduzz-modal-content {
    width: 100%;
    max-width: 800px;
    height: 80vh;
    background: #fff;
    border-radius: 16px;
    position: relative;
    overflow: hidden;
}

.eduzz-modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    color: #fff;
    font-size: 2rem;
    cursor: pointer;
    z-index: 10;
    background: rgba(0, 0, 0, 0.5);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.eduzz-modal-close:hover {
    background: var(--color-primary);
}

.eduzz-modal iframe {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 16px;
}

@media (max-width: 1024px) {
    .course-header {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .course-hero {
        height: 40vh;
        margin-top: 60px;
    }

    .course-hero-title {
        font-size: 2rem;
    }

    .course-hero-subtitle {
        font-size: 1rem;
    }

    .course-info h1 {
        font-size: 1.8rem;
    }

    .course-image-container {
        aspect-ratio: 4/3;
        font-size: 4rem;
    }

    .course-price {
        font-size: 2rem;
    }

    .eduzz-modal-content {
        height: 90vh;
    }
}