* {
    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;
}

/* Header */
.header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo h1 {
    color: #2563eb;
    font-size: 1.8rem;
    font-weight: 700;
}

.nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s;
}

.nav a:hover {
    color: #2563eb;
}

.btn-primary {
    background: #2563eb;
    color: white !important;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.3s;
}

.btn-primary:hover {
    background: #1d4ed8;
}

.btn-secondary {
    background: transparent;
    color: #2563eb;
    padding: 0.75rem 1.5rem;
    border: 2px solid #2563eb;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-secondary:hover {
    background: #2563eb;
    color: white;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 8rem 0 4rem;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* How it works */
.how-it-works {
    padding: 4rem 0;
    background: #f8fafc;
}

.how-it-works h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #1e293b;
}

.workflow {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.workflow-step {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    text-align: center;
    min-width: 200px;
}

.workflow-step h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #2563eb;
    margin-bottom: 0.5rem;
}

.workflow-arrow {
    font-size: 2rem;
    color: #2563eb;
    font-weight: bold;
}

/* Getting Started */
.getting-started {
    padding: 4rem 0;
}

.getting-started h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: #1e293b;
}

.getting-started p {
    text-align: center;
    font-size: 1.125rem;
    margin-bottom: 3rem;
}

.use-cases {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.use-case {
    background: #f8fafc;
    padding: 2rem;
    border-radius: 1rem;
    border-left: 4px solid #2563eb;
}

.use-case h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 1rem;
}

/* Models and Pricing */
.models-pricing {
    padding: 4rem 0;
    background: #f8fafc;
}

.models-pricing h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #1e293b;
}

.models-pricing > .container > p {
    text-align: center;
    font-size: 1.125rem;
    margin-bottom: 3rem;
    color: #64748b;
}

.code-examples {
    margin-bottom: 3rem;
}

.code-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tab-button {
    padding: 0.75rem 1.5rem;
    background: #e2e8f0;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s;
}

.tab-button.active {
    background: #2563eb;
    color: white;
}

.code-block {
    display: none;
    background: #1e293b;
    color: #e2e8f0;
    padding: 1.5rem;
    border-radius: 0.5rem;
    overflow-x: auto;
}

.code-block.active {
    display: block;
}

.code-block pre {
    margin: 0;
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: 0.875rem;
    line-height: 1.5;
}

.pricing-table {
    background: white;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.pricing-table table {
    width: 100%;
    border-collapse: collapse;
}

.pricing-table th,
.pricing-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #e2e8f0;
}

.pricing-table th {
    background: #f1f5f9;
    font-weight: 600;
    color: #1e293b;
}

.provider {
    background: #dbeafe;
    color: #1e40af;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Additional Services */
.additional-services {
    padding: 4rem 0;
}

.additional-services h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #1e293b;
}

.service-section {
    margin-bottom: 3rem;
}

.service-section h3 {
    font-size: 1.75rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 1rem;
}

.service-table {
    background: white;
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

.service-table table {
    width: 100%;
    border-collapse: collapse;
}

.service-table th,
.service-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #e2e8f0;
}

.service-table th {
    background: #f8fafc;
    font-weight: 600;
    color: #1e293b;
}

/* FAQ */
.faq {
    padding: 4rem 0;
    background: #f8fafc;
}

.faq h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #1e293b;
}

.faq-item {
    background: white;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    overflow: hidden;
}

.faq-question {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s;
}

.faq-question:hover {
    background: #f8fafc;
}

.faq-question h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1e293b;
}

.faq-toggle {
    font-size: 1.5rem;
    font-weight: bold;
    color: #2563eb;
    transition: transform 0.3s;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease-out;
}

.faq-item.active .faq-answer {
    padding: 0 1.5rem 1.5rem;
    max-height: 500px;
}

.faq-answer ul {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.faq-answer li {
    margin-bottom: 0.5rem;
}

/* Footer */
.footer {
    background: #1e293b;
    color: white;
    padding: 3rem 0 1rem;
}

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

.footer-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2563eb;
    margin-bottom: 1rem;
}

.footer-info p {
    margin-bottom: 1rem;
    color: #cbd5e1;
}

.business-info {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid #334155;
}

.business-info p {
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

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

.footer-section h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: white;
}

.footer-section a {
    display: block;
    color: #cbd5e1;
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: #2563eb;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #334155;
    color: #94a3b8;
}

/* Responsive */
@media (max-width: 768px) {
    .nav {
        gap: 1rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .workflow {
        flex-direction: column;
    }
    
    .workflow-arrow {
        transform: rotate(90deg);
    }
    
    .use-cases {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .code-tabs {
        flex-wrap: wrap;
    }
    
    .pricing-table,
    .service-table {
        overflow-x: auto;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 6rem 0 3rem;
    }
    
    .hero h1 {
        font-size: 1.75rem;
    }
    
    .workflow-step {
        min-width: auto;
        padding: 1.5rem;
    }
    
    .use-case {
        padding: 1.5rem;
    }
    
    .faq-question {
        padding: 1rem;
    }
    
    .faq-item.active .faq-answer {
        padding: 0 1rem 1rem;
    }
}