/* Reset e Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="1" fill="rgba(255,255,255,0.05)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
}

.highlight {
    background: linear-gradient(45deg, #ff6b6b, #feca57);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 30px;
    opacity: 0.9;
    font-weight: 400;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 40px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.1);
    padding: 10px 15px;
    border-radius: 25px;
    backdrop-filter: blur(10px);
}

.feature i {
    color: #4ecdc4;
}

.cta-section {
    margin-top: 40px;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(45deg, #ff6b6b, #feca57);
    color: white;
    border: none;
    padding: 18px 35px;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    box-shadow: 0 10px 30px rgba(255, 107, 107, 0.3);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(255, 107, 107, 0.4);
}

.cta-button.large {
    padding: 20px 40px;
    font-size: 1.2rem;
}

.price-info {
    margin-top: 15px;
    font-size: 1.1rem;
    opacity: 0.9;
}

.price {
    font-size: 1.5rem;
    font-weight: 700;
    color: #feca57;
}

/* Course Preview */
.course-preview {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 30px;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.preview-header {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

.preview-dots {
    display: flex;
    gap: 8px;
}

.preview-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
}

.preview-dots span:first-child {
    background: #ff6b6b;
}

.preview-content h3 {
    text-align: center;
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.preview-modules {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.module {
    background: rgba(255, 255, 255, 0.1);
    padding: 12px 15px;
    border-radius: 10px;
    font-size: 0.9rem;
}

/* Problem/Solution Section */
.problem-solution {
    padding: 100px 0;
    background: #f8f9fa;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: #2c3e50;
}

.section-header p {
    font-size: 1.2rem;
    color: #7f8c8d;
    max-width: 600px;
    margin: 0 auto;
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.problem-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.problem-card:hover {
    transform: translateY(-5px);
}

.problem-card i {
    font-size: 3rem;
    color: #e74c3c;
    margin-bottom: 20px;
}

.problem-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #2c3e50;
}

.solution {
    text-align: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 50px;
    border-radius: 20px;
    margin-top: 40px;
}

.solution h3 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.solution p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Benefits Section */
.benefits {
    padding: 100px 0;
    background: white;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.benefit-card {
    background: #f8f9fa;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.benefit-card:hover {
    transform: translateY(-5px);
    border-color: #667eea;
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.1);
}

.benefit-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.benefit-icon i {
    font-size: 2rem;
    color: white;
}

.benefit-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: #2c3e50;
}

.benefit-card p {
    color: #7f8c8d;
    line-height: 1.6;
}

/* Course Content */
.course-content {
    padding: 100px 0;
    background: #f8f9fa;
}

.modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.module-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    position: relative;
    overflow: hidden;
}

.module-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(45deg, #667eea, #764ba2);
}

.module-card:hover {
    transform: translateY(-5px);
}

.module-number {
    display: inline-block;
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin-bottom: 20px;
}

.module-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #2c3e50;
}

.module-card p {
    color: #7f8c8d;
}

.bonus-section {
    text-align: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 50px;
    border-radius: 20px;
}

.bonus-section h3 {
    font-size: 2rem;
    margin-bottom: 30px;
}

.bonus-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.bonus-item {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.1);
    padding: 15px 20px;
    border-radius: 10px;
    backdrop-filter: blur(10px);
}

.bonus-item i {
    color: #feca57;
}

/* About Author */
.about-author {
    padding: 100px 0;
    background: white;
}

.author-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    align-items: center;
}

.author-image {
    text-align: center;
}

.author-placeholder {
    width: 200px;
    height: 200px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

.author-placeholder i {
    font-size: 4rem;
    color: white;
}

.author-text h2 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: #2c3e50;
}

.author-title {
    font-size: 1.2rem;
    color: #667eea;
    font-weight: 600;
    margin-bottom: 20px;
}

.author-text p {
    margin-bottom: 20px;
    color: #7f8c8d;
    line-height: 1.7;
}

.author-stats {
    display: flex;
    gap: 40px;
    margin-top: 30px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: #667eea;
}

.stat-label {
    font-size: 0.9rem;
    color: #7f8c8d;
}

/* Guarantee */
.guarantee {
    padding: 80px 0;
    background: #f8f9fa;
}

.guarantee-content {
    display: flex;
    align-items: center;
    gap: 40px;
    background: white;
    padding: 50px;
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.guarantee-badge {
    background: linear-gradient(45deg, #27ae60, #2ecc71);
    color: white;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.guarantee-badge i {
    font-size: 2rem;
    margin-bottom: 5px;
}

.guarantee-text h2 {
    font-size: 2rem;
    margin-bottom: 15px;
    color: #2c3e50;
}

.guarantee-text p {
    color: #7f8c8d;
    line-height: 1.6;
}

/* Pricing */
.pricing {
    padding: 100px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.pricing-content {
    text-align: center;
}

.pricing-header {
    margin-bottom: 50px;
}

.pricing-header h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.pricing-header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

.pricing-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 50px;
    max-width: 500px;
    margin: 0 auto;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.price-tag {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

.currency {
    font-size: 3rem;
    align-self: flex-start;
    margin-top: 10px;
}

.period {
    font-size: 2rem;
    align-self: flex-end;
    margin-bottom: 10px;
}

.pricing-features {
    margin-bottom: 40px;
}

.pricing-features .feature {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
    justify-content: flex-start;
    background: none;
    padding: 0;
    border-radius: 0;
}

.pricing-features .feature i {
    color: #4ecdc4;
    font-size: 1.2rem;
}

.secure-payment {
    margin-top: 20px;
    opacity: 0.8;
    font-size: 0.9rem;
}

.secure-payment i {
    margin-right: 5px;
}

/* FAQ */
.faq {
    padding: 100px 0;
    background: white;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid #eee;
    margin-bottom: 20px;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 0;
    cursor: pointer;
    font-weight: 600;
    color: #2c3e50;
    font-size: 1.1rem;
}

.faq-question:hover {
    color: #667eea;
}

.faq-question i {
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding-bottom: 25px;
    color: #7f8c8d;
    line-height: 1.6;
}

/* Final CTA */
.final-cta {
    padding: 100px 0;
    background: linear-gradient(135deg, #ff6b6b 0%, #feca57 100%);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 1.3rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

/* Footer */
.footer {
    background: #2c3e50;
    color: white;
    padding: 40px 0;
    text-align: center;
}

.footer p {
    margin-bottom: 10px;
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-features {
        justify-content: center;
    }
    
    .problems-grid,
    .benefits-grid,
    .modules-grid {
        grid-template-columns: 1fr;
    }
    
    .author-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    .guarantee-content {
        flex-direction: column;
        text-align: center;
    }
    
    .author-stats {
        justify-content: center;
    }
    
    .bonus-grid {
        grid-template-columns: 1fr;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .price-tag {
        font-size: 3rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 60px 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .cta-button {
        padding: 15px 25px;
        font-size: 1rem;
    }
    
    .course-preview {
        padding: 20px;
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    }
    
    .benefit-card,
    .problem-card,
    .module-card {
        padding: 25px 20px;
    }
    
    .pricing-card {
        padding: 30px 20px;
    }
    
    .guarantee-content {
        padding: 30px 20px;
    }
    
    .bonus-section {
        padding: 30px 20px;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content,
.section-header,
.benefit-card,
.problem-card,
.module-card {
    animation: fadeInUp 0.6s ease-out;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}