:root{--brand:#6366f1;--brand-light:#818cf8;--brand-dark:#4f46e5;--brand-bg:rgba(99,102,241,.08);--text:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--bg:#fff;--bg-secondary:#f8fafc;--bg-tertiary:#f1f5f9;--border:#e2e8f0;--code-bg:#f1f5f9;--success:#22c55e;--radius-sm:6px;--radius:10px;--radius-lg:16px;--radius-xl:24px;--shadow-sm:0 1px 2px rgba(0,0,0,.05);--shadow:0 1px 3px rgba(0,0,0,.1),0 1px 2px rgba(0,0,0,.06);--shadow-md:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -2px rgba(0,0,0,.1);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -4px rgba(0,0,0,.1);--max-width:1200px;--header-height:64px;--transition:.15s cubic-bezier(.4,0,.2,1)}[data-theme=dark]{--text:#f1f5f9;--text-secondary:#cbd5e1;--text-muted:#64748b;--bg:#0b1120;--bg-secondary:#0f172a;--bg-tertiary:#1e293b;--border:#1e293b;--code-bg:#1e293b;--brand-bg:rgba(99,102,241,.15);--shadow-sm:0 1px 2px rgba(0,0,0,.3);--shadow:0 1px 3px rgba(0,0,0,.4);--shadow-md:0 4px 6px rgba(0,0,0,.3);--shadow-lg:0 10px 15px 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0}.stat{text-align:center}.stat-number{font-size:1.5rem;font-weight:800;color:var(--brand);margin-bottom:4px}.stat-label{font-size:.9375rem;color:var(--text-secondary)}.feature-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:24px}.feature-card{padding:32px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);transition:all var(--transition)}.feature-card:hover{border-color:var(--brand);box-shadow:var(--shadow-md);transform:translateY(-2px)}.feature-icon{font-size:2rem;margin-bottom:16px}.feature-title{font-size:1.125rem;font-weight:700;margin-bottom:8px}.feature-desc{font-size:.9375rem;color:var(--text-secondary);line-height:1.65}.platform-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}.platform-card{padding:32px;background:var(--bg-secondary);border:1px solid 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0}.footer-content{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px}.footer-copy{font-size:.875rem;color:var(--text-muted)}.footer-links{display:flex;gap:24px;list-style:none}.footer-links a{color:var(--text-secondary);font-size:.875rem}.footer-links a:hover{color:var(--brand)}@media(max-width:768px){.section{padding:64px 0}.section-title{font-size:1.75rem}.hero{padding:80px 0 64px}.steps{gap:32px}.code-grid,.feature-grid,.steps{grid-template-columns:1fr}.header-nav{gap:16px}.footer-content{flex-direction:column;text-align:center}}@media(max-width:480px){.hero-cta{flex-direction:column;align-items:center}.btn{width:100%}}