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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 1rem;
    color: #666;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 16px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    text-align: center;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.6);
}

.btn-secondary {
    background: transparent;
    color: #667eea;
    border: 2px solid #667eea;
}

.btn-secondary:hover {
    background: #667eea;
    color: white;
}

.btn-large {
    padding: 20px 40px;
    font-size: 1.2rem;
    font-weight: 700;
}

/* Header */
.header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo h1 {
    color: #333;
    margin-bottom: 0;
    font-size: 1.8rem;
}

.tagline {
    color: #667eea;
    font-size: 0.9rem;
    font-weight: 500;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding: 80px 0;
}

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

.hero-title {
    font-size: 3.2rem;
    color: #333;
    margin-bottom: 20px;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: #666;
    margin-bottom: 30px;
    line-height: 1.6;
}

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

.guarantee {
    margin-top: 10px;
    color: #888;
    font-size: 0.9rem;
    text-align: center;
}

.ebook-mockup {
    text-align: center;
}

.ebook-cover-img {
    max-width: 300px;
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    transform: perspective(1000px) rotateY(-15deg);
    transition: transform 0.3s ease;
}

.ebook-cover-img:hover {
    transform: perspective(1000px) rotateY(-10deg) scale(1.05);
}

/* Sections */
section {
    padding: 80px 0;
}

/* Author Section */
.author {
    background: #fff;
    padding: 60px 0;
    border-bottom: 1px solid #e5e5e5;
}

.author-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.author .section-title {
    color: #333;
    font-size: 2rem;
    margin-bottom: 20px;
}

.author-description {
    font-size: 1.2rem;
    color: #555;
    line-height: 1.7;
    font-weight: 400;
}

.section-title {
    text-align: center;
    margin-bottom: 20px;
    font-size: 2.5rem;
    color: #333;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 60px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Pain Points Section */
.pain-points {
    background: #f8f9fa;
}

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

.pain-card {
    background: white;
    padding: 40px 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.pain-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.pain-card h3 {
    color: #333;
    margin-bottom: 15px;
    font-size: 1.4rem;
}

.pain-card p {
    color: #666;
    line-height: 1.6;
}

/* Solution Section */
.solution {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.solution .section-title,
.solution .section-subtitle {
    color: white;
}

.solution-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 10px;
}

.stat-text {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
}

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

.benefit-item {
    padding: 30px;
    border-left: 4px solid #667eea;
    background: #f8f9fa;
    border-radius: 8px;
}

.benefit-number {
    font-size: 2rem;
    font-weight: 700;
    color: #667eea;
    margin-bottom: 15px;
}

.benefit-item h3 {
    color: #333;
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.benefit-item p {
    color: #666;
    line-height: 1.6;
}

/* Social Proof Section */
.social-proof {
    background: #f8f9fa;
}

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

.testimonial {
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.testimonial-text {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #555;
    margin-bottom: 25px;
    font-style: italic;
}

.testimonial-author {
    color: #333;
    font-weight: 600;
}

/* Purchase Section */
.purchase {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.purchase-box {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    max-width: 900px;
    margin: 0 auto;
}

.ebook-preview {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 40px;
}

.ebook-cover-purchase {
    width: 100%;
    max-width: 280px;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.purchase-details {
    padding: 60px 40px;
}

.price {
    text-align: center;
    margin-bottom: 40px;
}

.price-amount {
    font-size: 4rem;
    font-weight: 700;
    color: #333;
    display: block;
}

.price-note {
    color: #666;
    font-size: 1rem;
}

.purchase-includes {
    margin-bottom: 40px;
}

.purchase-includes h4 {
    color: #333;
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.purchase-includes ul {
    list-style: none;
}

.purchase-includes li {
    padding: 8px 0;
    color: #555;
    font-size: 1rem;
}

.purchase-cta {
    text-align: center;
}

.security {
    color: #888;
    font-size: 0.9rem;
    margin-top: 10px;
}

/* FAQ Section */
.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 40px;
}

.faq-item {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 12px;
}

.faq-item h3 {
    color: #333;
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.faq-item p {
    color: #666;
    line-height: 1.6;
}

/* Footer */
.footer {
    background: #333;
    color: white;
    padding: 40px 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-text p {
    color: #ccc;
    margin-bottom: 5px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .purchase-box {
        grid-template-columns: 1fr;
    }
    
    .ebook-preview {
        padding: 40px 20px;
    }
    
    .purchase-details {
        padding: 40px 20px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .benefits-grid,
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 0 15px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .btn {
        padding: 14px 24px;
        font-size: 1rem;
    }
    
    .btn-large {
        padding: 16px 28px;
        font-size: 1.1rem;
    }
    
    .price-amount {
        font-size: 3rem;
    }
    
    section {
        padding: 60px 0;
    }
}