/* Online Learning Seite Styles */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.advantage-item {
    background-color: white;
    border-radius: 4px;
    padding: 30px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.advantage-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.advantage-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.advantage-item h3 {
    margin-bottom: 15px;
    color: var(--dark-color);
}

.material-icon {
    font-family: 'Roboto', sans-serif;
    background-color: var(--primary-color);
    color: white;
    width: 60px;
    height: 60px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1.5rem;
}

.online-course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.online-course-card {
    background-color: white;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
}

.online-course-card.highlight {
    border: 2px solid var(--primary-color);
}

.online-course-header {
    padding: 20px;
    background-color: var(--primary-color);
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.online-course-level {
    background-color: white;
    color: var(--primary-color);
    padding: 5px 10px;
    border-radius: 4px;
    font-weight: bold;
    font-size: 0.9rem;
}

.online-course-content {
    padding: 20px;
    flex-grow: 1;
}

.online-course-content ul {
    margin-top: 15px;
    margin-left: 20px;
}

.online-course-content li {
    margin-bottom: 10px;
}

.online-course-pricing {
    padding: 20px;
    background-color: #f9f9f9;
    text-align: center;
}

.price-tag {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--primary-color);
}

.price-period {
    font-size: 0.9rem;
    color: var(--secondary-color);
    margin-top: 5px;
}

.online-course-footer {
    padding: 20px;
    text-align: center;
    border-top: 1px solid #eee;
}

.platform-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.platform-feature {
    background-color: white;
    border-radius: 4px;
    padding: 25px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.platform-feature h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.platform-demo {
    background-color: var(--primary-color);
    color: white;
    padding: 40px;
    border-radius: 4px;
    text-align: center;
    margin-top: 40px;
}

.platform-demo h3 {
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.platform-demo p {
    margin-bottom: 20px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Responsive Design für Online-Learning-Seite */
@media (max-width: 768px) {
    .advantages-grid,
    .online-course-grid,
    .platform-features {
        grid-template-columns: 1fr;
    }
}