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

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

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

/* Header */
.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.nav-brand h1 {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(45deg, #fff, #e0e7ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #e0e7ff;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.status-indicator {
    background: rgba(255,255,255,0.2);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
}

.btn-primary {
    background: linear-gradient(45deg, #ff6b6b, #ee5a24);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255,107,107,0.4);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.highlight {
    background: linear-gradient(45deg, #ffd700, #ffed4e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    opacity: 0.9;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.8;
}

.hero-actions {
    margin-top: 2rem;
}

/* Section Styles */
.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
    color: #2d3748;
    font-weight: 700;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: #718096;
    margin-bottom: 3rem;
}

/* Pricing Advantages */
.pricing-advantages {
    padding: 4rem 0;
    background: white;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.advantage-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
    border: 1px solid #e2e8f0;
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.advantage-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.advantage-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: #2d3748;
}

.advantage-card p {
    color: #718096;
    font-size: 1.1rem;
}

/* Dynamic Pricing */
.dynamic-pricing {
    padding: 4rem 0;
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.pricing-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
    border-left: 5px solid;
}

.pricing-card.claude {
    border-left-color: #667eea;
}

.pricing-card.codex {
    border-left-color: #48bb78;
}

.pricing-card.gemini {
    border-left-color: #ed8936;
}

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

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.card-header h3 {
    font-size: 1.3rem;
    color: #2d3748;
}

.rate-badge {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
}

.rate-info {
    margin-bottom: 1rem;
}

.rate-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid #e2e8f0;
}

.rate-item:last-child {
    border-bottom: none;
}

.time {
    color: #718096;
    font-size: 0.9rem;
}

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

.note {
    color: #718096;
    font-size: 0.9rem;
    font-style: italic;
}

/* Package Pricing */
.package-pricing {
    padding: 4rem 0;
    background: white;
}

.package-table, .tier-pricing {
    margin-top: 3rem;
}

.package-table h3, .tier-pricing h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #2d3748;
}

.pricing-table, .tier-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.pricing-table th, .tier-table th {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem;
    text-align: left;
    font-weight: 600;
}

.pricing-table td, .tier-table td {
    padding: 1rem;
    border-bottom: 1px solid #e2e8f0;
}

.pricing-table tr:hover, .tier-table tr:hover {
    background: #f7fafc;
}

.pricing-table tr.highlighted {
    background: linear-gradient(135deg, #ffd700, #ffed4e);
    color: #2d3748;
    font-weight: 600;
}

.pricing-table tr.premium {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
}

/* Products Section */
.products {
    padding: 4rem 0;
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.product-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
    border-top: 5px solid;
}

.product-card.claude {
    border-top-color: #667eea;
}

.product-card.codex {
    border-top-color: #48bb78;
}

.product-card.gemini {
    border-top-color: #ed8936;
}

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

.product-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.product-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: #2d3748;
}

.product-subtitle {
    color: #718096;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.features {
    list-style: none;
}

.features li {
    padding: 0.5rem 0;
    color: #4a5568;
    border-bottom: 1px solid #e2e8f0;
}

.features li:last-child {
    border-bottom: none;
}

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

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

.contact-actions {
    margin-top: 3rem;
}

.contact-info {
    margin-top: 2rem;
}

.contact-info p {
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1rem;
}

.social-link {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 25px;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.6);
}

/* Footer */
.footer {
    background: #2d3748;
    color: white;
    padding: 3rem 0 1rem;
}

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

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #e2e8f0;
}

.footer-brand p {
    color: #a0aec0;
    margin-bottom: 0.5rem;
}

.footer-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
    color: #a0aec0;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: #48bb78;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.link-group h4 {
    color: #e2e8f0;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.link-group ul {
    list-style: none;
}

.link-group li {
    margin-bottom: 0.5rem;
}

.link-group a {
    color: #a0aec0;
    text-decoration: none;
    transition: color 0.3s ease;
}

.link-group a:hover {
    color: white;
}

.link-group p {
    color: #a0aec0;
    margin-bottom: 0.5rem;
}

.footer-bottom {
    border-top: 1px solid #4a5568;
    padding-top: 2rem;
    text-align: center;
    color: #a0aec0;
}

.footer-bottom p {
    margin-bottom: 0.5rem;
}

.footer-status-bottom {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-cards {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .social-links {
        flex-direction: column;
        gap: 1rem;
    }
    
    .pricing-table, .tier-table {
        font-size: 0.9rem;
    }
    
    .pricing-table th, .pricing-table td,
    .tier-table th, .tier-table td {
        padding: 0.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .advantage-card, .pricing-card, .product-card {
        padding: 1.5rem;
    }
}