/* Course AI - Courses Specific Styles */

/* ==================== FEATURED MAVEN COURSE SECTION ==================== */
.featured-course {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(180deg, transparent 0%, rgba(99, 102, 241, 0.03) 50%, transparent 100%);
}

.maven-course-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
    box-shadow: var(--shadow-xl);
    margin-top: var(--spacing-xl);
}

.course-header {
    margin-bottom: var(--spacing-lg);
}

.course-title {
    font-size: 1.75rem;
    font-weight: 700;
    font-family: var(--font-heading);
    margin-bottom: var(--spacing-md);
}

.course-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.feature {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.feature i {
    color: var(--success-color);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.feature-text h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.feature-text p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.course-cta {
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
}

.course-cta .btn-large {
    width: 100%;
    margin-bottom: var(--spacing-md);
    flex-direction: column;
    gap: 0.375rem;
    padding: 0.875rem 2rem;
}

.student-count {
    font-size: 0.875rem;
    font-weight: 500;
    opacity: 0.9;
}

.course-note {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: var(--spacing-sm);
}

/* Instructor Card */
.course-instructor {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.course-instructor h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.instructor-card {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
    text-align: center;
}

.instructor-profile-img {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    border: 3px solid rgba(99, 102, 241, 0.3);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.instructor-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    width: 100%;
}

.instructor-info h5 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.instructor-title {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.instructor-credentials {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: left;
}

.credential {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.credential i {
    color: var(--primary-color);
    font-size: 1rem;
    width: 20px;
    text-align: center;
    flex-shrink: 0;
}

/* ==================== UDEMY COURSES SECTION ==================== */
.courses-section {
    padding: var(--spacing-2xl) 0;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.course-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.course-card:hover {
    transform: translateY(-4px);
    border-color: rgba(99, 102, 241, 0.5);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.15);
}

.course-image {
    width: 100%;
    height: 180px;
    object-fit: cover;
    background: var(--bg-tertiary);
}

.course-card-content {
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    flex: 1;
}

.course-card-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.course-card-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.course-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: auto;
}

.course-card-cta {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--transition-base);
    width: 100%;
    justify-content: center;
    margin-top: var(--spacing-sm);
}

.course-card-cta:hover {
    background: var(--primary-color);
    color: white;
}

/* ==================== ABOUT SECTION ==================== */
.about-section {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(180deg, transparent 0%, rgba(139, 92, 246, 0.03) 50%, transparent 100%);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.about-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-base);
}

.about-card:hover {
    transform: translateY(-4px);
    border-color: rgba(139, 92, 246, 0.5);
    box-shadow: 0 20px 40px rgba(139, 92, 246, 0.15);
}

.about-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    font-size: 2rem;
    color: white;
}

.about-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.about-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.about-cta {
    text-align: center;
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.about-text {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

/* ==================== RESPONSIVE DESIGN FOR COURSES ==================== */
@media (max-width: 1024px) {
    .maven-course-card {
        grid-template-columns: 1fr;
    }

    .course-instructor {
        margin-top: var(--spacing-lg);
    }

    .courses-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .maven-course-card {
        padding: var(--spacing-lg);
    }

    .course-title {
        font-size: 1.5rem;
    }

    .courses-grid {
        grid-template-columns: 1fr;
    }

    .about-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .featured-course {
        padding: var(--spacing-lg) 0;
    }

    .maven-course-card {
        padding: var(--spacing-md);
    }

    .course-features {
        gap: var(--spacing-md);
    }

    .feature i {
        font-size: 1.25rem;
    }

    .feature-text h4 {
        font-size: 1rem;
    }

    .instructor-profile-img {
        width: 80px;
        height: 80px;
    }

    .about-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
}

/* ==================== ANIMATIONS ==================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.course-card {
    animation: fadeIn 0.6s ease-out backwards;
}

.course-card:nth-child(1) { animation-delay: 0.1s; }
.course-card:nth-child(2) { animation-delay: 0.2s; }
.course-card:nth-child(3) { animation-delay: 0.3s; }
.course-card:nth-child(4) { animation-delay: 0.4s; }
.course-card:nth-child(5) { animation-delay: 0.5s; }
.course-card:nth-child(6) { animation-delay: 0.6s; }