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24px}.parts-category{margin-bottom:20px}.parts-category-title{font-size:.85rem;font-weight:600;color:var(--accent);text-transform:uppercase;letter-spacing:.05em;margin-bottom:10px}.parts-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:8px}.parts-item{display:flex;flex-direction:column;gap:2px;padding:10px 12px;background:var(--bg-elevated);border:1px solid var(--border);border-radius:8px;cursor:pointer;transition:all 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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-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-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-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}.photo3d-panel{width:440px;max-height:90vh;overflow-y:auto;background:var(--bg-panel);border:1px solid var(--border);border-radius:12px}.photo3d-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border)}.photo3d-header h2{font-size:1.1rem;font-weight:600}.photo3d-body{padding:20px}.photo3d-capture{display:flex;flex-direction:column;align-items:center;gap:12px;padding:24px 0}.photo3d-hint{font-size:.8rem;color:var(--text-muted);text-align:center;margin-top:8px}.photo3d-camera{display:flex;flex-direction:column;align-items:center;gap:12px}.photo3d-video{width:100%;max-height:300px;border-radius:8px;background:#000}.photo3d-preview{display:flex;flex-direction:column;gap:12px}.photo3d-img{width:100%;max-height:280px;object-fit:contain;border-radius:8px;background:#000}.photo3d-actions{display:flex;gap:10px;flex-wrap:wrap}.photo3d-loading{display:flex;align-items:center;gap:10px;color:var(--text-muted);font-size:.9rem}.photo3d-spinner{width:18px;height:18px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.photo3d-result p{font-size:.9rem;color:var(--success);margin-bottom:12px}.photo3d-scale{margin-top:8px}.photo3d-scale label{font-size:.85rem;color:var(--text-muted);display:block;margin-bottom:6px}.photo3d-scale-row{display:flex;gap:8px;align-items:center}.photo3d-input{width:80px;padding:6px 8px;background:var(--bg-dark);border:1px solid var(--border);border-radius:6px;color:var(--text);font-family:inherit;font-size:.85rem}.photo3d-select{padding:6px 8px;background:var(--bg-dark);border:1px solid var(--border);border-radius:6px;color:var(--text);font-family:inherit;font-size:.85rem}.photo3d-error{margin-top:12px;padding:10px;background:#f851491a;border:1px solid rgba(248,81,73,.3);border-radius:6px;color:#f85149;font-size:.85rem}.photo3d-no-ai{text-align:center;padding:20px 0}.photo3d-no-ai p{font-size:.9rem;color:var(--text-muted);margin-bottom:8px}@media (max-width: 768px){.landing-hero-title{font-size:2.2rem}.landing-hero{padding:100px 20px 60px}.landing-features-grid,.landing-pricing-grid{grid-template-columns:1fr}.landing-nav{padding:12px 20px}.landing-nav-links a{display:none}.landing-footer-bottom{flex-direction:column;gap:8px;align-items:center}}