/* Estilos específicos para la página de cursos */

.courses-hero {
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
                url('https://images.unsplash.com/photo-1513475382585-d06e58bcb0e0?q=80&w=2000') center/cover no-repeat;
    color: var(--white);
    text-align: center;
    margin-top: 0;
}

.courses-section {
    padding: 5rem 2rem;
    background-color: var(--light-gray);
}

.courses-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    color: var(--dark-gray);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.course-card {
    background-color: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
}

.course-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.course-card.featured {
    border: 3px solid var(--primary-red);
    transform: scale(1.05);
}

.course-card.featured:hover {
    transform: scale(1.05) translateY(-8px);
}

.course-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background-color: var(--primary-red);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    z-index: 2;
}

.course-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem 1rem;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
}

.course-level {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--white);
}

.course-level.basic {
    background-color: #28a745;
}

.course-level.intermediate {
    background-color: #007bff;
}

.course-level.advanced {
    background-color: #6f42c1;
}

.course-level.conversational {
    background-color: #fd7e14;
}

.course-level.jlpt {
    background-color: #dc3545;
}

.course-level.kids {
    background-color: #20c997;
}

.course-duration {
    font-size: 0.9rem;
    color: var(--text-gray);
    font-weight: 500;
}

.course-content {
    padding: 2rem;
}

.course-title {
    font-size: 1.5rem;
    color: var(--dark-gray);
    margin-bottom: 1rem;
    font-weight: 600;
}

.course-description {
    color: var(--text-gray);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

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

.course-features li {
    padding: 0.5rem 0;
    color: var(--text-gray);
    font-size: 0.95rem;
}

.course-features li:before {
    content: '';
    margin-right: 0.5rem;
}

.course-price {
    display: flex;
    align-items: baseline;
    margin-bottom: 1.5rem;
    gap: 0.5rem;
}

.price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-red);
}

.price-period {
    font-size: 1rem;
    color: var(--text-gray);
}

.course-btn {
    width: 100%;
    padding: 1rem;
    font-size: 1rem;
    font-weight: 600;
}

.course-info {
    padding: 4rem 2rem;
    background-color: var(--white);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.info-card {
    text-align: center;
    padding: 2rem;
}

.info-icon {
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: center;
}

.info-card h3 {
    font-size: 1.3rem;
    color: var(--dark-gray);
    margin-bottom: 1rem;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .courses-hero {
        height: 400px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .courses-section {
        padding: 3rem 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .courses-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .course-card.featured {
        transform: none;
    }
    
    .course-card.featured:hover {
        transform: translateY(-8px);
    }
    
    .course-header {
        padding: 1rem 1.5rem 0.5rem;
    }
    
    .course-content {
        padding: 1.5rem;
    }
    
    .course-info {
        padding: 3rem 1rem;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

@media (max-width: 480px) {
    .course-header {
        flex-direction: column;
        gap: 0.5rem;
        align-items: flex-start;
    }
    
    .course-duration {
        align-self: flex-end;
    }
    
    .price {
        font-size: 1.5rem;
    }
}