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var(--border)}.landing-nav-brand{display:flex;align-items:center;gap:10px}.landing-logo{flex-shrink:0;display:block}.landing-brand-title{font-size:1.15rem;font-weight:700;color:var(--text)}.landing-brand-dot{color:var(--accent)}.landing-nav-links{display:flex;align-items:center;gap:24px}.landing-nav-links a{color:var(--text-muted);text-decoration:none;font-size:.9rem;transition:color .15s}.landing-nav-links a:hover{color:var(--text)}.landing-btn-primary{padding:10px 24px;background:var(--accent);border:none;border-radius:8px;color:#fff;font-family:inherit;font-size:.9rem;font-weight:500;cursor:pointer;transition:background .15s}.landing-btn-primary:hover{background:var(--accent-hover)}.landing-btn-secondary{display:inline-block;padding:10px 24px;background:transparent;border:1px solid var(--border);border-radius:8px;color:var(--text);font-family:inherit;font-size:.9rem;font-weight:500;cursor:pointer;text-decoration:none;text-align:center;transition:all .15s}.landing-btn-secondary:hover{background:var(--bg-elevated);border-color:var(--text-muted)}.landing-btn-lg{padding:14px 32px;font-size:1rem}.landing-hero{min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:120px 40px 80px;background:radial-gradient(ellipse at 50% 0%,rgba(59,130,246,.08) 0%,transparent 60%);position:relative;overflow:hidden}.landing-hero:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background-image:linear-gradient(rgba(59,130,246,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(59,130,246,.07) 1px,transparent 1px);background-size:60px 60px;mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,black 20%,transparent 70%);-webkit-mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,black 20%,transparent 70%);animation:grid-drift 20s linear infinite}.landing-hero:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background-image:linear-gradient(rgba(59,130,246,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(59,130,246,.03) 1px,transparent 1px);background-size:15px 15px;mask-image:radial-gradient(ellipse 60% 50% at 50% 40%,black 10%,transparent 60%);-webkit-mask-image:radial-gradient(ellipse 60% 50% at 50% 40%,black 10%,transparent 60%);animation:grid-drift 30s linear infinite reverse}@keyframes grid-drift{0%{transform:translate(0)}to{transform:translate(60px,60px)}}.landing-hero-content{max-width:700px;position:relative;z-index:1}.landing-hero-title{font-size:3.5rem;font-weight:700;line-height:1.1;margin-bottom:24px;letter-spacing:-.03em;color:var(--text)}.landing-hero-accent{color:var(--accent)}.landing-hero-subtitle{font-size:1.2rem;color:var(--text-muted);max-width:560px;margin:0 auto 40px;line-height:1.6}.landing-hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}.landing-hero-badge{display:inline-block;padding:6px 16px;background:var(--accent-muted);border:1px solid rgba(59,130,246,.25);border-radius:20px;font-size:.8rem;color:var(--accent-hover);font-weight:500;margin-bottom:24px;letter-spacing:.02em}.landing-hero-note{margin-top:24px;font-size:.85rem;color:var(--text-muted)}.landing-showcase{padding:40px 40px 80px;max-width:1100px;margin:0 auto}.landing-showcase-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.showcase-card{background:var(--bg-panel);border:1px solid var(--border);border-radius:12px;overflow:hidden;transition:border-color .2s,transform .2s}.showcase-card:hover{border-color:var(--accent);transform:translateY(-4px)}.showcase-card h3{font-size:1.05rem;font-weight:600;padding:16px 20px 4px;color:var(--text)}.showcase-card p{font-size:.85rem;color:var(--text-muted);padding:0 20px 20px;line-height:1.5}.showcase-visual{height:200px;position:relative;overflow:hidden}.showcase-visual-scene{background:linear-gradient(180deg,#0d1117,#161b22);display:flex;align-items:flex-end;justify-content:center;gap:24px;padding-bottom:40px}.showcase-grid-floor{position:absolute;bottom:0;left:0;right:0;height:60px;background:repeating-linear-gradient(90deg,transparent,transparent 19px,rgba(59,130,246,.08) 19px,rgba(59,130,246,.08) 20px),repeating-linear-gradient(0deg,transparent,transparent 19px,rgba(59,130,246,.08) 19px,rgba(59,130,246,.08) 20px)}.showcase-shape{position:relative;z-index:1}.showcase-box{width:60px;height:60px;background:linear-gradient(135deg,#3b82f6,#1d4ed8);border-radius:4px;box-shadow:8px 8px #1d4ed866}.showcase-sphere{width:56px;height:56px;background:radial-gradient(circle at 35% 35%,#f97316,#c2410c);border-radius:50%;box-shadow:4px 4px 12px #c2410c4d}.showcase-cylinder{width:40px;height:70px;background:linear-gradient(90deg,#22c55e,#15803d);border-radius:20px 20px 4px 4px;box-shadow:6px 6px #15803d4d}.showcase-visual-code{background:#0d1117;padding:16px;display:flex;align-items:center}.showcase-code{font-family:JetBrains Mono,monospace;font-size:.65rem;line-height:1.5;color:#8b949e;white-space:pre;overflow:hidden}.showcase-visual-ai{background:linear-gradient(180deg,#0d1117,#161b22);display:flex;align-items:center;justify-content:center;padding:20px}.showcase-chat{width:100%;display:flex;flex-direction:column;gap:10px}.showcase-msg{padding:10px 14px;border-radius:10px;font-size:.8rem;max-width:85%;line-height:1.4}.showcase-msg-user{background:var(--accent);color:#fff;align-self:flex-end;border-bottom-right-radius:2px}.showcase-msg-ai{background:var(--bg-elevated);color:var(--text);border:1px solid var(--border);align-self:flex-start;border-bottom-left-radius:2px}@media (max-width: 768px){.landing-showcase-grid{grid-template-columns:1fr}}.landing-demo-showcase{padding:60px 40px 80px;max-width:1100px;margin:0 auto}.demo-showcase-card{display:flex;gap:32px;align-items:center;background:var(--bg-panel);border:1px solid var(--border);border-radius:16px;padding:32px;margin-top:32px;cursor:pointer;transition:border-color .2s,box-shadow .2s,transform .2s}.demo-showcase-card:hover{border-color:var(--accent);box-shadow:0 8px 32px #3b82f626;transform:translateY(-2px)}.demo-showcase-visual{flex-shrink:0;width:180px;height:160px;background:linear-gradient(180deg,#0d1117,#161b22);border-radius:12px;display:flex;align-items:center;justify-content:center}.demo-building-icon{position:relative;width:120px;height:100px}.demo-building-base{position:absolute;bottom:0;left:10px;right:10px;height:50px;background:#e8e4df;border-radius:2px 2px 0 0}.demo-building-columns{position:absolute;bottom:50px;left:30px;right:30px;height:30px;display:flex;justify-content:space-between}.demo-building-columns span{width:6px;height:30px;background:#d4cfc8;border-radius:1px}.demo-building-pediment{position:absolute;bottom:80px;left:25px;width:0;height:0;border-left:35px solid transparent;border-right:35px solid transparent;border-bottom:16px solid #c4bfb8}.demo-building-flag{position:absolute;bottom:92px;left:55px;width:2px;height:18px;background:#888}.demo-building-flag:after{content:"";position:absolute;top:0;left:2px;width:12px;height:8px;background:#3b82f6;border-radius:0 1px 1px 0}.demo-showcase-info h3{font-size:1.4rem;font-weight:700;margin:0 0 8px}.demo-showcase-info p{color:var(--text-muted);font-size:.95rem;line-height:1.6;margin:0 0 16px}.demo-showcase-cta{color:var(--accent);font-weight:600;font-size:.95rem}.demo-showcase-card:hover .demo-showcase-cta{text-decoration:underline}.demo-showcase-grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px;margin-top:32px}.demo-showcase-grid-3 .demo-showcase-card{flex-direction:column;text-align:center;padding:20px}.demo-showcase-grid-3 .demo-showcase-visual{width:100%;height:130px}.demo-showcase-grid-3 .demo-showcase-info p{font-size:.85rem}.demo-showcase-grid-3 .demo-showcase-info h3{font-size:1.05rem}.demo-plane-icon{position:relative;width:140px;height:80px}.demo-plane-body{position:absolute;top:28px;left:10px;width:110px;height:20px;background:#8a9a7e;border-radius:10px 4px 4px 10px}.demo-plane-wing{position:absolute;top:22px;left:35px;width:8px;height:56px;background:#7a8a6e;border-radius:2px;transform:translateY(-12px)}.demo-plane-tail-v{position:absolute;top:8px;right:8px;width:4px;height:24px;background:#8a9a7e;border-radius:1px}.demo-plane-tail-h{position:absolute;top:8px;right:4px;width:2px;height:12px;background:#7a8a6e;border-radius:1px;transform:rotate(90deg);transform-origin:right center}.demo-plane-engines{position:absolute;top:14px;left:28px;display:flex;flex-direction:column;gap:10px;height:52px;justify-content:space-between}.demo-plane-engines span{width:14px;height:8px;background:#4a4a4a;border-radius:2px}.demo-bridge-icon{position:relative;width:140px;height:90px}.demo-bridge-tower{position:absolute;bottom:20px;width:6px;height:50px;background:#888;border-radius:1px}.demo-bridge-tower-l{left:30px}.demo-bridge-tower-r{right:30px}.demo-bridge-deck{position:absolute;bottom:20px;left:10px;right:10px;height:6px;background:#567;border-radius:1px}.demo-bridge-cable{position:absolute;top:14px;width:60px;height:40px;border:2px solid #ccc;border-color:#ccc transparent transparent transparent;border-radius:50% 50% 0 0}.demo-bridge-cable-l{left:12px}.demo-bridge-cable-r{right:12px}.demo-bridge-water{position:absolute;bottom:0;left:0;right:0;height:18px;background:linear-gradient(180deg,#25a4,#1368);border-radius:0 0 4px 4px}@media (max-width: 900px){.demo-showcase-grid-3{grid-template-columns:1fr 1fr}}@media (max-width: 640px){.demo-showcase-card{flex-direction:column;text-align:center}.demo-showcase-visual{width:100%}.demo-showcase-grid-3{grid-template-columns:1fr}}.landing-features{padding:80px 40px;max-width:1100px;margin:0 auto}.landing-section-title{font-size:2rem;font-weight:700;text-align:center;margin-bottom:12px;letter-spacing:-.02em;color:var(--text)}.landing-section-subtitle{text-align:center;color:var(--text-muted);font-size:1.05rem;margin-bottom:48px}.landing-features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.landing-feature-card{padding:28px 24px;background:var(--bg-panel);border:1px solid var(--border);border-radius:12px;transition:border-color .2s}.landing-feature-card:hover{border-color:var(--accent)}.landing-feature-icon{display:inline-block;font-size:1.5rem;color:var(--accent);margin-bottom:12px;font-family:JetBrains Mono,monospace}.landing-feature-card h3{font-size:1.05rem;font-weight:600;margin-bottom:8px;color:var(--text)}.landing-feature-card p{font-size:.9rem;color:var(--text-muted);line-height:1.5}.landing-pricing{padding:80px 40px;max-width:1000px;margin:0 auto}.landing-pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:start}.landing-pricing-card{padding:32px 28px;background:var(--bg-panel);border:1px solid var(--border);border-radius:12px;text-align:center}.landing-pricing-card.featured{border-color:var(--accent);box-shadow:0 0 40px #3b82f61f}.landing-pricing-card h3{font-size:1.1rem;font-weight:600;margin-bottom:8px;color:var(--text)}.landing-price{font-size:2.2rem;font-weight:700;margin-bottom:24px;color:var(--text)}.landing-price-period{font-size:1rem;font-weight:400;color:var(--text-muted)}.landing-tier-features{list-style:none;padding:0;margin-bottom:28px;text-align:left}.landing-tier-features li{padding:8px 0;font-size:.9rem;color:var(--text-muted);border-bottom:1px solid rgba(48,54,61,.5)}.landing-tier-features li:last-child{border-bottom:none}.landing-footer{padding:80px 40px 40px;text-align:center;border-top:1px solid var(--border)}.landing-footer-content h2{font-size:2rem;font-weight:700;margin-bottom:12px;color:var(--text)}.landing-footer-content p{color:var(--text-muted);font-size:1.05rem;margin-bottom:32px}.landing-footer-bottom{margin-top:60px;display:flex;justify-content:space-between;color:var(--text-muted);font-size:.8rem}.wizard-section{padding:80px 40px;max-width:1100px;margin:0 auto}.wizard-container{margin-top:8px}.wizard-steps-bar{display:flex;gap:4px;margin-bottom:32px;border-bottom:1px solid var(--border);padding-bottom:0}.wizard-step-indicator{flex:1;display:flex;align-items:center;gap:8px;padding:12px 16px;background:none;border:none;border-bottom:2px solid transparent;color:var(--text-muted);font-family:inherit;font-size:.85rem;cursor:pointer;transition:all .2s;margin-bottom:-1px}.wizard-step-indicator:hover{color:var(--text);background:var(--accent-muted)}.wizard-step-indicator.active{color:var(--accent);border-bottom-color:var(--accent)}.wizard-step-indicator.done{color:var(--success)}.wizard-step-num{display:flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;font-size:.75rem;font-weight:600;background:var(--bg-elevated);border:1px solid var(--border);flex-shrink:0}.wizard-step-indicator.active .wizard-step-num{background:var(--accent);border-color:var(--accent);color:#fff}.wizard-step-indicator.done .wizard-step-num{background:var(--success);border-color:var(--success);color:#fff}.wizard-step-label{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.wizard-content{display:grid;grid-template-columns:1fr 1fr;gap:32px;background:var(--bg-panel);border:1px solid var(--border);border-radius:12px;overflow:hidden;min-height:340px}.wizard-visual-panel{display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0d1117,#161b22);padding:40px;position:relative;overflow:hidden}.wizard-info-panel{display:flex;flex-direction:column;justify-content:center;padding:40px;gap:16px}.wizard-step-badge{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--accent)}.wizard-step-title{font-size:1.6rem;font-weight:700;color:var(--text);letter-spacing:-.02em}.wizard-step-desc{font-size:1rem;color:var(--text-muted);line-height:1.65}.wizard-nav-buttons{display:flex;gap:12px;margin-top:8px}.wizard-nav-buttons button:disabled{opacity:.35;cursor:not-allowed}.wizard-visual-shapes{display:flex;align-items:flex-end;justify-content:center;gap:16px;width:100%;height:100%;position:relative;padding-bottom:32px}.wv-shape{position:relative;z-index:1}.wv-box{width:52px;height:52px;background:linear-gradient(135deg,#3b82f6,#1d4ed8);border-radius:4px;box-shadow:6px 6px #1d4ed866}.wv-sphere{width:48px;height:48px;background:radial-gradient(circle at 35% 35%,#f97316,#c2410c);border-radius:50%;box-shadow:3px 3px 10px #c2410c4d}.wv-cylinder{width:36px;height:56px;background:linear-gradient(90deg,#22c55e,#15803d);border-radius:18px 18px 4px 4px;box-shadow:4px 4px #15803d4d}.wv-cone{width:0;height:0;border-left:24px solid transparent;border-right:24px solid transparent;border-bottom:56px solid #eab308;filter:drop-shadow(4px 4px 0 rgba(161,126,10,.3))}.wv-torus{width:48px;height:48px;border:10px solid #a855f7;border-radius:50%;box-shadow:3px 3px 8px #a855f74d}.wv-grid{position:absolute;bottom:0;left:0;right:0;height:40px;background:repeating-linear-gradient(90deg,transparent,transparent 19px,rgba(59,130,246,.08) 19px,rgba(59,130,246,.08) 20px),repeating-linear-gradient(0deg,transparent,transparent 19px,rgba(59,130,246,.08) 19px,rgba(59,130,246,.08) 20px)}.wizard-visual-transform{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:24px;width:100%;height:100%}.wv-object{width:64px;height:64px;background:linear-gradient(135deg,#3b82f6,#1d4ed8);border-radius:6px;position:relative;box-shadow:0 0 20px #3b82f633}.wv-gizmo{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:120px;height:120px}.wv-axis{position:absolute;top:50%;left:50%}.wv-axis-x{width:60px;height:3px;background:#ef4444;transform:translateY(-50%);border-radius:2px;box-shadow:0 0 8px #ef444466}.wv-axis-y{width:3px;height:60px;background:#22c55e;transform:translate(-50%,-100%);border-radius:2px;box-shadow:0 0 8px #22c55e66}.wv-axis-z{width:50px;height:3px;background:#3b82f6;transform:translate(-80%,-50%) rotate(-45deg);border-radius:2px;box-shadow:0 0 8px #3b82f666}.wv-keys{display:flex;gap:8px}.wv-key{display:flex;align-items:center;justify-content:center;width:32px;height:32px;background:var(--bg-elevated);border:1px solid var(--border);border-radius:6px;font-family:JetBrains Mono,monospace;font-size:.8rem;font-weight:600;color:var(--text-muted)}.wizard-visual-boolean{display:flex;align-items:center;justify-content:center;gap:20px;width:100%;height:100%}.wv-bool-group{position:relative;width:80px;height:80px}.wv-bool-a{width:56px;height:56px;background:#3b82f699;border:2px solid #3b82f6;border-radius:6px;position:absolute;top:0;left:0}.wv-bool-b{width:56px;height:56px;background:#f9731699;border:2px solid #f97316;border-radius:50%;position:absolute;bottom:0;right:0}.wv-bool-arrow{font-size:1.5rem;color:var(--text-muted);font-family:JetBrains Mono,monospace}.wv-bool-result{width:64px;height:64px;background:linear-gradient(135deg,#3b82f6,#f97316);border-radius:8px 50%;box-shadow:0 0 20px #3b82f633}.wizard-visual-sketch{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;width:100%;height:100%}.wv-sketch-svg{width:180px;height:120px}.wv-sketch-label{padding:6px 20px;background:var(--accent);border-radius:6px;font-size:.8rem;font-weight:600;color:#fff}.wizard-visual-ai{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;width:100%;height:100%}.wv-ai-bar{display:flex;align-items:center;gap:8px;padding:10px 16px;background:var(--bg-elevated);border:1px solid var(--border);border-radius:8px;width:100%;max-width:280px}.wv-ai-icon{color:var(--accent);font-family:JetBrains Mono,monospace;font-weight:700;font-size:1.1rem}.wv-ai-text{font-size:.8rem;color:var(--text-muted);font-style:italic}.wv-ai-result{display:flex;align-items:flex-end;gap:8px}.wv-ai-obj{width:64px;height:8px;background:#ef4444;border-radius:2px}.wv-ai-obj-sm{width:8px;height:32px;background:#7c2d12;border-radius:2px}.wizard-visual-export{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;width:100%;height:100%}.wv-file-icon{position:relative;width:72px;height:88px}.wv-file-body{width:100%;height:100%;background:var(--bg-elevated);border:1px solid var(--border);border-radius:4px 12px 4px 4px;display:flex;align-items:center;justify-content:center}.wv-file-ext{font-family:JetBrains Mono,monospace;font-size:.9rem;font-weight:700;color:var(--accent)}.wv-file-corner{position:absolute;top:0;right:0;width:18px;height:18px;background:var(--accent);border-radius:0 12px 0 4px}.wv-format-tags{display:flex;gap:8px}.wv-tag{padding:4px 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