/* Reset y configuración base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
}

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

/* Header */
.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 60px 0;
    text-align: center;
}

.logo {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: -0.02em;
}

.tagline {
    font-size: 1.2rem;
    font-weight: 300;
    opacity: 0.9;
}

/* Hero Section */
.hero {
    padding: 80px 0;
    background-color: #f8fafc;
    text-align: center;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: #1a202c;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: #4a5568;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
    color: #2d3748;
}

.feature-icon {
    font-size: 1.5rem;
}

/* Courses Section */
.courses {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.2rem;
    font-weight: 600;
    margin-bottom: 50px;
    color: #1a202c;
}

.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.course-card {
    background: white;
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border: 1px solid #e2e8f0;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    position: relative;
}

.course-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

.course-number {
    position: absolute;
    top: -15px;
    left: 30px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
}

.course-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #1a202c;
    margin-top: 10px;
}

.course-description {
    color: #4a5568;
    margin-bottom: 20px;
    line-height: 1.6;
}

.course-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: #667eea;
}

/* Pricing Section */
.pricing {
    padding: 80px 0;
    background-color: #f8fafc;
}

.pricing-card {
    background: white;
    border-radius: 20px;
    padding: 50px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    max-width: 800px;
    margin: 0 auto;
}

.pricing-title {
    text-align: center;
    font-size: 2.2rem;
    font-weight: 600;
    margin-bottom: 40px;
    color: #1a202c;
}

.pricing-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.pricing-option {
    text-align: center;
    padding: 30px;
    border-radius: 16px;
    border: 2px solid #e2e8f0;
    position: relative;
    transition: all 0.2s ease;
}

.pricing-option:hover {
    border-color: #667eea;
}

.pricing-option.featured {
    border-color: #667eea;
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
    transform: scale(1.05);
}

.featured-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.pricing-option h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #1a202c;
}

.price {
    font-size: 2.5rem;
    font-weight: 700;
    color: #667eea;
    margin-bottom: 10px;
}

.pricing-option p {
    color: #4a5568;
    margin-bottom: 15px;
}

.savings {
    background: #48bb78;
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-block;
}

/* Support Section */
.support {
    padding: 80px 0;
    text-align: center;
}

.support-content {
    max-width: 600px;
    margin: 0 auto;
}

.support-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.support-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #1a202c;
}

.support-content p {
    color: #4a5568;
    font-size: 1.1rem;
    line-height: 1.7;
}

/* CTA Section */
.cta {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.cta-title {
    font-size: 2.2rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.cta-subtitle {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    background: white;
    color: #667eea;
    border: none;
    padding: 16px 32px;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

/* Footer */
.footer {
    background-color: #1a202c;
    color: white;
    text-align: center;
    padding: 30px 0;
}

.footer p {
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .header {
        padding: 40px 0;
    }
    
    .logo {
        font-size: 2rem;
    }
    
    .hero {
        padding: 60px 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-features {
        flex-direction: column;
        gap: 20px;
    }
    
    .courses {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .course-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .course-card {
        padding: 25px;
    }
    
    .pricing {
        padding: 60px 0;
    }
    
    .pricing-card {
        padding: 30px 20px;
    }
    
    .pricing-title {
        font-size: 1.8rem;
    }
    
    .pricing-options {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .pricing-option.featured {
        transform: none;
    }
    
    .support {
        padding: 60px 0;
    }
    
    .support-icon {
        font-size: 3rem;
    }
    
    .cta {
        padding: 60px 0;
    }
    
    .cta-title {
        font-size: 1.8rem;
    }
    
    .cta-subtitle {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.6rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .course-title {
        font-size: 1.1rem;
    }
    
    .price {
        font-size: 2rem;
    }
    
    .cta-title {
        font-size: 1.5rem;
    }
    
    .cta-button {
        padding: 14px 28px;
        font-size: 1rem;
    }
}