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var(--transition-smooth);opacity:0;transform:translateY(30px)}.problem-card.visible{opacity:1;transform:translateY(0)}.problem-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;border-radius:var(--radius-sm) var(--radius-sm) 0 0}.problem-card.nav{--card-color:var(--accent-rose)}.problem-card.identity{--card-color:var(--accent-orange)}.problem-card.checkout{--card-color:var(--accent-violet)}.problem-card:before{background:var(--card-color,var(--accent-blue))}.problem-card:hover{border-color:hsla(0,0%,100%,.12);transform:translateY(-4px)!important;box-shadow:0 20px 60px rgba(0,0,0,.4)}.problem-number{font-family:Outfit,sans-serif;font-size:56px;font-weight:900;color:var(--card-color,var(--accent-blue));opacity:.15;line-height:1;margin-bottom:16px}.problem-icon{font-size:28px;margin-bottom:16px;display:block}.problem-title{font-size:18px;font-weight:700;color:var(--text-primary);margin-bottom:10px}.problem-desc{font-size:14px;color:var(--text-secondary);line-height:1.65}#features{padding:100px 0}.features-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:20px;gap:20px;margin-top:56px}.feature-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:32px;transition:all var(--transition-smooth);cursor:default;opacity:0;transform:translateY(30px)}.feature-card.visible{opacity:1;transform:translateY(0)}.feature-card:hover{border-color:var(--border-glow);background:var(--bg-card-hover);transform:translateY(-4px)!important;box-shadow:var(--shadow-card),var(--shadow-glow-blue)}.feature-icon-wrap{width:52px;height:52px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:20px}.feature-title{font-size:17px;font-weight:700;color:var(--text-primary);margin-bottom:10px}.feature-desc{font-size:14px;color:var(--text-secondary);line-height:1.7}.feature-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px}.tag{background:hsla(0,0%,100%,.06);border:1px solid var(--border-subtle);border-radius:99px;padding:3px 10px;font-size:11px;font-weight:600;color:var(--text-muted);font-family:JetBrains Mono,monospace}#demo{padding:100px 0}.demo-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:40px;gap:40px;align-items:center;margin-top:56px}.code-window{background:#0d1117;border:1px solid var(--border-subtle);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-card);position:relative}.code-window:before{content:"";position:absolute;inset:0;border-radius:var(--radius-lg);background:var(--gradient-primary);opacity:0;z-index:-1;filter:blur(30px);transition:opacity var(--transition-smooth)}.code-window:hover:before{opacity:.15}.code-title-bar{display:flex;align-items:center;gap:8px;padding:12px 16px;background:hsla(0,0%,100%,.03);border-bottom:1px solid var(--border-subtle)}.code-dot{width:10px;height:10px;border-radius:50%}.code-dot.red{background:#ff5f57}.code-dot.yellow{background:#febc2e}.code-dot.green{background:#28c840}.code-filename{font-size:12px;color:var(--text-muted);margin-left:8px}.code-body,.code-filename{font-family:JetBrains Mono,monospace}.code-body{padding:24px;overflow-x:auto;font-size:13px;line-height:1.7}.code-body pre{margin:0}.c-comment{color:#6b7280}.c-keyword{color:#8b5cf6}.c-string{color:#10b981}.c-func{color:#4f8eff}.c-number{color:#f59e0b}.c-type{color:#22d3ee}.demo-steps{display:flex;flex-direction:column;gap:24px}.demo-step{display:flex;gap:16px;align-items:flex-start;opacity:0;transform:translateX(20px);transition:all var(--transition-smooth)}.demo-step.visible{opacity:1;transform:translateX(0)}.demo-step-num{width:36px;height:36px;min-width:36px;border-radius:50%;background:var(--gradient-primary);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:#fff;box-shadow:0 4px 16px rgba(79,142,255,.35)}.demo-step-content h4{font-size:15px;font-weight:700;color:var(--text-primary);margin-bottom:4px}.demo-step-content p{font-size:13px;color:var(--text-secondary);line-height:1.6}#pricing{padding:100px 0}.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:20px;gap:20px;margin-top:56px;align-items:start}.pricing-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);padding:36px 32px;position:relative;transition:all var(--transition-smooth);opacity:0;transform:translateY(30px)}.pricing-card.visible{opacity:1;transform:translateY(0)}.pricing-card:hover{transform:translateY(-6px)!important;box-shadow:var(--shadow-card)}.pricing-card.featured{border-color:rgba(79,142,255,.4);background:linear-gradient(180deg,rgba(79,142,255,.07),rgba(139,92,246,.05));box-shadow:0 0 60px rgba(79,142,255,.15)}.pricing-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--gradient-primary);color:#fff;font-size:11px;padding:5px 16px;border-radius:99px;letter-spacing:.08em;white-space:nowrap}.pricing-badge,.pricing-tier{font-weight:700;text-transform:uppercase}.pricing-tier{font-size:12px;letter-spacing:.1em;color:var(--text-muted);margin-bottom:12px}.pricing-price{display:flex;align-items:baseline;gap:4px;margin-bottom:8px}.pricing-amount{font-family:Outfit,sans-serif;font-size:52px;font-weight:900;letter-spacing:-.03em;color:var(--text-primary)}.pricing-period{font-size:14px;color:var(--text-muted)}.pricing-currency{font-size:24px;font-weight:700;color:var(--text-secondary);margin-top:8px}.pricing-desc{font-size:13px;color:var(--text-secondary);margin-bottom:28px;line-height:1.6}.pricing-divider{height:1px;background:var(--border-subtle);margin-bottom:24px}.pricing-features{list-style:none;display:flex;flex-direction:column;gap:10px;margin-bottom:28px}.pricing-features li{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--text-secondary);line-height:1.5}.pricing-features li .check{color:var(--accent-green);font-size:15px;flex-shrink:0;margin-top:2px}.pricing-features li.muted,.pricing-features li.muted .check{color:var(--text-muted)}#social{padding:80px 0;border-top:1px solid var(--border-subtle);border-bottom:1px solid var(--border-subtle)}.social-logos{display:flex;align-items:center;justify-content:center;gap:48px;flex-wrap:wrap;opacity:.4}.social-logo{font-family:Outfit,sans-serif;font-size:20px;font-weight:800;color:var(--text-secondary);letter-spacing:-.02em;transition:opacity var(--transition-smooth);cursor:default;-webkit-user-select:none;-moz-user-select:none;user-select:none}.social-logos:hover .social-logo{opacity:.4}.social-logo:hover{opacity:1!important}#cta{padding:120px 0;text-align:center}.cta-card{background:linear-gradient(135deg,rgba(79,142,255,.1),rgba(139,92,246,.1) 50%,rgba(34,211,238,.06));border:1px solid rgba(79,142,255,.2);border-radius:var(--radius-xl);padding:80px 48px;position:relative;overflow:hidden}.cta-card:before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 60% 50% at 50% 100%,rgba(79,142,255,.12) 0,transparent 70%);pointer-events:none}.cta-card .section-title{font-size:clamp(32px,5vw,56px);max-width:700px;margin:0 auto 20px}.cta-card .section-subtitle{margin:0 auto 40px}.modal-overlay{position:fixed;inset:0;z-index:999;background:rgba(5,8,17,.85);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);display:flex;align-items:center;justify-content:center;padding:24px;opacity:0;pointer-events:none;transition:opacity var(--transition-smooth)}.modal-overlay.open{opacity:1;pointer-events:auto}.modal{background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);padding:48px;max-width:480px;width:100%;box-shadow:0 40px 120px rgba(0,0,0,.7);transform:scale(.95) translateY(20px);transition:transform var(--transition-spring);position:relative}.modal-overlay.open .modal{transform:scale(1) translateY(0)}.modal-close{position:absolute;top:16px;right:16px;background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);width:32px;height:32px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text-muted);font-size:16px;transition:all var(--transition-fast)}.modal-close:hover{color:var(--text-primary);background:var(--bg-card-hover)}.modal h3{font-family:Outfit,sans-serif;font-size:24px;font-weight:800;margin-bottom:8px}.modal p{font-size:14px;color:var(--text-secondary);margin-bottom:28px}.form-group{margin-bottom:16px}.form-label{display:block;font-size:13px;font-weight:600;color:var(--text-secondary);margin-bottom:6px}.form-input{width:100%;background:var(--bg-card);border:1.5px solid var(--border-subtle);border-radius:var(--radius-sm);padding:11px 14px;font-size:14px;color:var(--text-primary);font-family:Inter,sans-serif;transition:border-color var(--transition-fast),box-shadow var(--transition-fast);outline:none}.form-input:focus{border-color:var(--accent-blue);box-shadow:0 0 0 3px rgba(79,142,255,.15)}.form-input::placeholder{color:var(--text-muted)}footer{padding:60px 0 40px;border-top:1px solid var(--border-subtle)}.footer-inner{display:grid;grid-template-columns:1.5fr repeat(3,1fr);grid-gap:40px;gap:40px;margin-bottom:48px}.footer-brand p{font-size:13px;color:var(--text-muted);margin-top:12px;line-height:1.65;max-width:240px}.footer-col h5{font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted);margin-bottom:16px}.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}.footer-col a{font-size:13px;color:var(--text-secondary);text-decoration:none;transition:color var(--transition-fast)}.footer-col a:hover{color:var(--text-primary)}.footer-bottom{border-top:1px solid var(--border-subtle);padding-top:24px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}.footer-bottom p{font-size:12px;color:var(--text-muted)}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.animate-on-scroll{opacity:0;transform:translateY(30px);transition:opacity .6s ease,transform .6s ease}.animate-on-scroll.visible{opacity:1;transform:translateY(0)}.gradient-text{background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}@media (max-width:1024px){.features-grid,.pricing-grid,.problem-grid{grid-template-columns:repeat(2,1fr)}.demo-grid{grid-template-columns:1fr}.footer-inner{grid-template-columns:1fr 1fr}.arch-nodes{grid-template-columns:1fr}}@media (max-width:640px){.features-grid,.pricing-grid,.problem-grid{grid-template-columns:1fr}.hero-stats{gap:20px}.hero-divider,.nav-links{display:none}.footer-inner{grid-template-columns:1fr}.cta-card{padding:48px 24px}.modal{padding:32px 24px}}