/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8fafc;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
}

/* Header Banner */
.header-banner {
    width: 100%;
    margin-bottom: 1.5rem;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.header-banner-img {
    width: 100%;
    height: 50px;
    object-fit: cover;
    object-position: center;
}

/* Header */
.site-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1.5rem 0;
    text-align: center;
}

.logo {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.tagline {
    font-size: 1.1rem;
    font-weight: 300;
    opacity: 0.9;
}

/* Hero Section */
.hero-section {
    padding: 4rem 0;
    background: white;
}

.hero-section .container {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    align-items: center;
}

@media (min-width: 768px) {
    .hero-section .container {
        flex-direction: row;
    }
}

.hero-content {
    flex: 1;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1a202c;
}

.hero-description {
    font-size: 1.1rem;
    color: #4a5568;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.price-display {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.original-price {
    font-size: 1.5rem;
    color: #a0aec0;
    text-decoration: line-through;
}

.current-price {
    font-size: 3rem;
    font-weight: 700;
    color: #48bb78;
}

.price-note {
    background: #e6fffa;
    color: #234e52;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 500;
}

.hero-image {
    flex: 1;
}

.hero-img {
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Purchase Button */
.purchase-button {
    display: inline-block;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 2.5rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    text-align: center;
}

.purchase-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

/* Features Section */
.features-section {
    padding: 4rem 0;
    background: #f7fafc;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: #1a202c;
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

@media (min-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.feature-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.feature-image {
    height: 200px;
    overflow: hidden;
}

.feature-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.feature-title {
    padding: 1.5rem 1.5rem 0.5rem;
    font-size: 1.3rem;
    font-weight: 600;
    color: #2d3748;
}

.feature-description {
    padding: 0 1.5rem 1.5rem;
    color: #718096;
}

.purchase-cta {
    text-align: center;
    margin-top: 2rem;
}

/* Benefits Section */
.benefits-section {
    padding: 4rem 0;
    background: white;
}

.benefits-content {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    margin-bottom: 3rem;
}

@media (min-width: 768px) {
    .benefits-content {
        flex-direction: row;
        align-items: center;
    }
}

.benefits-image {
    flex: 1;
}

.benefits-img {
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.benefits-list {
    flex: 1;
}

.benefit-item {
    margin-bottom: 2rem;
}

.benefit-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 0.5rem;
}

.benefit-description {
    color: #718096;
}

/* Testimonial Section */
.testimonial-section {
    padding: 4rem 0;
    background: #f7fafc;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .testimonial-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.testimonial-card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.testimonial-image {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 1.5rem;
}

.testimonial-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.testimonial-text {
    font-style: italic;
    color: #4a5568;
    margin-bottom: 1rem;
    line-height: 1.8;
}

.testimonial-author {
    font-weight: 600;
    color: #2d3748;
}

/* Final CTA Section */
.final-cta-section {
    padding: 4rem 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-description {
    font-size: 1.1rem;
    opacity: 0.9;
    max-width: 800px;
    margin: 0 auto 2rem;
    line-height: 1.8;
}

.price-highlight {
    margin-bottom: 2rem;
}

.final-price {
    font-size: 3.5rem;
    font-weight: 700;
    display: block;
    margin-bottom: 0.5rem;
}

.price-label {
    font-size: 1.2rem;
    opacity: 0.9;
}

.guarantee-note {
    margin-top: 1.5rem;
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Footer */
.site-footer {
    background: #1a202c;
    color: white;
    padding: 2rem 0;
    text-align: center;
}

.copyright {
    margin-bottom: 0.5rem;
    opacity: 0.8;
}

.footer-note {
    opacity: 0.6;
    font-size: 0.9rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .hero-title,
    .section-title,
    .cta-title {
        font-size: 2rem;
    }
    
    .current-price,
    .final-price {
        font-size: 2.5rem;
    }
    
    .logo {
        font-size: 2rem;
    }
    
    .header-banner {
        margin-bottom: 1rem;
    }
}

@media (max-width: 480px) {
    .hero-title,
    .section-title,
    .cta-title {
        font-size: 1.75rem;
    }
    
    .purchase-button {
        width: 100%;
        padding: 0.875rem 1.5rem;
    }
    
    .price-display {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .header-banner-img {
        height: 40px;
    }
}