:root{--font-serif:"Playfair Display", Georgia, serif;--font-sans:"Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--bg-primary:#fff;--bg-secondary:#fafaf9;--bg-tertiary:#f5f5f4;--bg-glass:#ffffffd1;--bg-glass-card:#ffffff4d;--text-primary:#000;--text-secondary:#1f1d1a;--text-muted:#6b6661;--accent-gold:#bca374;--accent-gold-hover:#a78f5e;--accent-gold-light:#f1dec9;--border-color:#e7e5e4b3;--border-focus:#bca374;--shadow-sm:0 2px 8px #1c191708;--shadow-md:0 8px 24px #1c19170d;--shadow-lg:0 16px 40px #1c191714;--transition-fast:.2s cubic-bezier(.25, .46, .45, .94);--transition-medium:.4s cubic-bezier(.25, 1, .5, 1);--transition-slow:.8s cubic-bezier(.25, 1, .5, 1);--header-height:80px}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;scroll-padding-top:var(--header-height)}body{font-family:var(--font-sans);background-color:var(--bg-secondary);color:var(--text-primary);-webkit-font-smoothing:antialiased;line-height:1.6;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input{font-family:inherit}h1,h2,h3,h4{font-weight:500;line-height:1.25}.highlight{font-family:var(--font-serif);color:var(--accent-gold);font-style:italic}.app-header{width:100%;height:var(--header-height);background-color:var(--bg-glass);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-color);z-index:1000;align-items:center;display:flex;position:fixed;top:0;left:0}.header-container{justify-content:space-between;align-items:center;width:90%;max-width:1400px;margin:0 auto;display:flex}.logo{letter-spacing:-.5px;align-items:center;font-size:1.5rem;font-weight:700;display:flex}.logo-accent{color:var(--accent-gold);font-family:var(--font-serif);margin-right:2px;font-size:1.8rem}.main-nav{gap:2.5rem;display:flex}.nav-link{color:var(--text-secondary);transition:color var(--transition-fast);padding:5px 0;font-size:.95rem;font-weight:500;position:relative}.nav-link:after{content:"";background-color:var(--accent-gold);width:0;height:2px;transition:width var(--transition-medium);position:absolute;bottom:0;left:0}.nav-link:hover,.nav-link.active{color:var(--text-primary)}.nav-link.active:after,.nav-link:hover:after{width:100%}.header-actions{align-items:center;display:flex}.icon-btn{cursor:pointer;color:var(--text-secondary);transition:background-color var(--transition-fast), color var(--transition-fast);background:0 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var(--border-color);background-color:#0000}.btn-secondary:hover{border-color:var(--text-primary);background-color:var(--bg-secondary)}.btn-block{justify-content:space-between;width:100%;display:flex}.canvas-wrapper{z-index:1;pointer-events:none;background:radial-gradient(circle,#fafaf9 0%,#e7e7e5 100%);width:100vw;height:100vh;position:fixed;top:0;left:0}#three-canvas{pointer-events:auto;outline:none;width:100%;height:100%;display:block}.scroll-container{z-index:10;pointer-events:none;width:100%;min-height:100vh;position:relative}.overlay-section{box-sizing:border-box;align-items:center;min-height:100vh;padding:8rem 8% 6rem;display:flex}.section-content-card,.controls-panel,.specs-card{background-color:var(--bg-glass-card);-webkit-backdrop-filter:blur(28px)saturate(160%);backdrop-filter:blur(28px)saturate(160%);width:100%;max-width:530px;box-shadow:var(--shadow-lg);pointer-events:auto;border:1px solid #ffffff73;border-radius:16px;padding:3.5rem}.hero-content{width:100%}.hero-title{color:var(--text-primary);letter-spacing:-1px;margin-bottom:1.5rem;font-size:clamp(2.5rem,4vw,3.5rem);font-weight:700}.hero-subtitle{color:var(--text-secondary);margin-bottom:2.5rem;font-size:1.1rem;font-weight:400}.hero-actions-container{gap:1.5rem;display:flex}.features-vertical-stack{width:100%;max-width:530px;box-shadow:none;background:0 0;border:none;flex-direction:column;gap:2.5rem;padding:0;display:flex}.features-section .section-header{width:100%;max-width:530px;padding:0 1.25rem}.feature-card{background-color:var(--bg-glass-card);-webkit-backdrop-filter:blur(28px)saturate(160%);backdrop-filter:blur(28px)saturate(160%);box-shadow:var(--shadow-md);pointer-events:auto;transition:all var(--transition-medium);border:1px solid #ffffff73;border-radius:12px;padding:2.5rem}.feature-card:hover{border-color:var(--accent-gold);transform:translateY(-3px)}.feature-icon{background-color:var(--bg-primary);width:44px;height:44px;color:var(--accent-gold);border:1px solid var(--border-color);border-radius:50%;justify-content:center;align-items:center;margin-bottom:1.25rem;display:flex}.feature-card h3{margin-bottom:.75rem;font-size:1.25rem;font-weight:600}.feature-card p{color:var(--text-secondary);font-size:.95rem;line-height:1.6}.controls-panel{flex-direction:column;display:flex}.panel-header{border-bottom:1px solid var(--border-color);padding:0 0 1.5rem}.product-collection{text-transform:uppercase;letter-spacing:1.5px;color:var(--accent-gold);margin-bottom:.5rem;font-size:.75rem;font-weight:600;display:block}.product-name{font-family:var(--font-serif);margin-bottom:.75rem;font-size:2rem;font-weight:600}.price-container{justify-content:space-between;align-items:baseline;display:flex}.price{font-size:1.5rem;font-weight:600}.shipping-tag{color:var(--accent-gold);background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:4px;padding:4px 8px;font-size:.75rem}.customizer-tabs{border-bottom:1px solid var(--border-color);grid-template-columns:repeat(3,1fr);display:grid}.tab-btn{color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);background:0 0;border:none;border-bottom:2px solid #0000;padding:1.25rem 0;font-size:.9rem;font-weight:500}.tab-btn:hover{color:var(--text-primary)}.tab-btn.active{color:var(--text-primary);border-bottom-color:var(--accent-gold);background-color:var(--bg-secondary)}.tab-contents{max-height:400px;padding:2.5rem 0;overflow-y:auto}.tab-content{display:none}.tab-content.active{animation:.4s fadeIn;display:block}@keyframes fadeIn{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.option-title{margin-bottom:1.5rem;font-size:1.1rem;font-weight:600}.tab-description{color:var(--text-secondary);margin-bottom:1.5rem;font-size:.85rem}.material-type-group{margin-bottom:2rem}.sub-option-title{text-transform:uppercase;letter-spacing:.5px;color:var(--text-secondary);margin-bottom:.75rem;font-size:.85rem;font-weight:600}.price-indicator{color:var(--accent-gold);text-transform:none;letter-spacing:0;font-size:.8rem;font-weight:500}.swatches-grid{grid-template-columns:repeat(3,1fr);gap:.75rem;display:grid}.swatch-btn{border:1px solid var(--border-color);cursor:pointer;height:52px;transition:all var(--transition-fast);background-color:#0000;border-radius:6px;justify-content:center;align-items:flex-end;padding-bottom:6px;display:flex;position:relative;overflow:hidden}.swatch-btn:before{content:"";background-color:inherit;border-radius:inherit;position:absolute;inset:0}.swatch-name{z-index:2;background-color:var(--bg-glass);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);text-align:center;white-space:nowrap;text-overflow:ellipsis;width:90%;color:var(--text-primary);border-radius:4px;padding:2px 6px;font-size:.75rem;font-weight:600;position:relative;overflow:hidden;box-shadow:0 1px 4px #0000000d}.swatch-btn:hover{border-color:var(--text-primary);transform:translateY(-2px)}.swatch-btn.active{border-color:var(--accent-gold);box-shadow:0 0 0 2px var(--accent-gold-light)}.option-divider{background-color:var(--border-color);height:1px;margin:2rem 0}.toggle-control-group{justify-content:space-between;align-items:center;padding:4px 0;display:flex}.toggle-control-group label{cursor:pointer;font-size:.95rem;font-weight:500}.toggle-control-group input[type=checkbox]{appearance:none;background-color:var(--border-color);cursor:pointer;width:44px;height:24px;transition:background-color var(--transition-fast);border-radius:12px;outline:none;position:relative}.toggle-control-group input[type=checkbox]:before{content:"";background-color:var(--bg-primary);width:18px;height:18px;transition:transform var(--transition-fast);border-radius:50%;position:absolute;top:3px;left:3px;box-shadow:0 2px 4px #0000001a}.toggle-control-group input[type=checkbox]:checked{background-color:var(--accent-gold)}.toggle-control-group input[type=checkbox]:checked:before{transform:translate(20px)}.panel-footer{border-top:1px solid var(--border-color);padding:2rem 0 0}.summary-line{color:var(--text-secondary);justify-content:space-between;margin-bottom:.5rem;font-size:.85rem;display:flex}.summary-line strong{color:var(--text-primary)}.panel-footer .btn{margin-top:1.25rem}.cart-price{opacity:.8;font-weight:600}.section-desc{color:var(--text-secondary);margin-bottom:2rem}.spec-details{flex-direction:column;gap:1rem;margin-bottom:2rem;display:flex}.spec-row{border-bottom:1px solid var(--border-color);justify-content:space-between;padding-bottom:.75rem;display:flex}.spec-label{color:var(--text-secondary);font-weight:500}.spec-val{font-weight:600}.spec-dimension-card{background-color:var(--bg-secondary);border:1px solid var(--border-color);width:100%;box-shadow:var(--shadow-sm);color:var(--text-secondary);border-radius:8px;padding:2rem}.spec-image-box svg{width:100%;height:auto;display:block}.canvas-controls{z-index:10;pointer-events:auto;flex-direction:column;gap:.75rem;display:flex;position:absolute;bottom:24px;right:24px}.hud-btn{border:1px solid var(--border-color);background-color:var(--bg-glass);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);width:44px;height:44px;color:var(--text-primary);cursor:pointer;box-shadow:var(--shadow-sm);transition:all var(--transition-fast);border-radius:50%;justify-content:center;align-items:center;display:flex}.hud-btn:hover{background-color:var(--text-primary);color:var(--bg-primary);transform:scale(1.05)}.hud-btn.active{background-color:var(--accent-gold);color:var(--bg-primary);border-color:var(--accent-gold)}.hotspots-overlay{z-index:5;pointer-events:none;width:100%;height:100%;position:absolute;top:0;left:0}.hotspot{pointer-events:auto;position:absolute;transform:translate(-50%,-50%)}.hotspot-trigger{background-color:var(--text-primary);width:30px;height:30px;color:var(--bg-primary);border:3px solid var(--bg-primary);cursor:pointer;box-shadow:var(--shadow-md);pointer-events:auto;transition:transform var(--transition-fast), background-color var(--transition-fast);border-radius:50%;justify-content:center;align-items:center;font-size:1.2rem;font-weight:500;display:flex}.hotspot-trigger span{margin-top:-3px;display:block}.hotspot:hover .hotspot-trigger{background-color:var(--accent-gold);transform:scale(1.15)}.hotspot-tooltip{background-color:var(--bg-glass);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--border-color);width:220px;box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transition:all var(--transition-medium);pointer-events:none;border-radius:8px;padding:1rem 1.25rem;position:absolute;bottom:calc(100% + 12px);left:50%;transform:translate(-50%)translateY(10px)}.hotspot-tooltip:after{content:"";border:6px solid #0000;border-top-color:var(--bg-glass);position:absolute;top:100%;left:50%;transform:translate(-50%)}.hotspot-tooltip h4{margin-bottom:.25rem;font-size:.95rem;font-weight:600}.hotspot-tooltip p{color:var(--text-secondary);font-size:.8rem;line-height:1.4}.hotspot:hover .hotspot-tooltip,.hotspot.active .hotspot-tooltip{opacity:1;visibility:visible;transform:translate(-50%)translateY(0)}.loader-overlay{z-index:100;opacity:1;pointer-events:auto;width:100%;height:100%;transition:opacity var(--transition-medium);background-color:#efefed;flex-direction:column;justify-content:center;align-items:center;display:flex;position:absolute;top:0;left:0}.loader-overlay.hide{opacity:0;pointer-events:none}.spinner{border:3px solid #bca37433;border-top:3px solid var(--accent-gold);border-radius:50%;width:40px;height:40px;margin-bottom:1.5rem;animation:1s linear infinite spin}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.loader-overlay p{color:var(--text-secondary);margin-bottom:.75rem;font-size:.95rem;font-weight:500}.progress-bar-container{background-color:var(--border-color);border-radius:10px;width:160px;height:3px;display:block;overflow:hidden}#progress-bar{background-color:var(--accent-gold);width:0%;height:100%;transition:width .1s;display:block}.app-footer{background-color:var(--text-primary);color:#eceae7;z-index:200;pointer-events:auto;border-top:1px solid #ffffff0d;padding:5rem 8% 2rem;position:relative}.footer-container{border-bottom:1px solid #ffffff0d;grid-template-columns:2fr 1fr;gap:4rem;max-width:1200px;margin:0 auto;padding-bottom:4rem;display:grid}.footer-brand{max-width:400px}.footer-brand .logo{color:#fff;margin-bottom:1.5rem}.footer-brand p{color:#a39f99;font-size:.95rem}.footer-links{grid-template-columns:1fr 1fr;gap:2rem;display:grid}.footer-col h4{color:#fff;text-transform:uppercase;letter-spacing:1px;margin-bottom:1.5rem;font-size:.95rem;font-weight:600}.footer-col a{color:#a39f99;transition:color var(--transition-fast);margin-bottom:.75rem;font-size:.9rem;display:block}.footer-col a:hover{color:#fff}.footer-bottom{color:#7a756f;justify-content:space-between;max-width:1200px;margin:0 auto;padding-top:2rem;font-size:.8rem;display:flex}@media (width<=1024px){.canvas-wrapper{top:var(--header-height);z-index:100;pointer-events:auto;border-bottom:1px solid var(--border-color);width:100vw;height:42vh;position:sticky}.scroll-container{pointer-events:auto}.overlay-section{min-height:auto;padding:3rem 1.5rem}.section-content-card,.controls-panel,.specs-card{max-width:100%;box-shadow:var(--shadow-sm);padding:2.2rem 1.8rem}.features-vertical-stack{flex-direction:column;gap:1.5rem;width:100%;max-width:100%;display:flex}.canvas-controls{flex-direction:row;bottom:12px;right:12px}.hud-btn{width:38px;height:38px}}@media (width<=768px){.main-nav{display:none}.footer-container{grid-template-columns:1fr;gap:3rem}}.connector-svg{z-index:8;pointer-events:none;width:100vw;height:100vh;position:fixed;top:0;left:0}#connector-path,#connector-start,#connector-end{transition:opacity .3s}.feature-card{background-color:#fff3;border-color:#ffffff40;transition:background-color .4s,border-color .4s,transform .4s,box-shadow .4s}.feature-card h3,.feature-card p,.feature-card .feature-icon{opacity:.6;transition:opacity .4s}.feature-card.active-card{border-color:var(--accent-gold);box-shadow:var(--shadow-lg);background-color:#ffffffbf;transform:translate(10px)}.feature-card.active-card h3,.feature-card.active-card p,.feature-card.active-card .feature-icon{opacity:1}@media (width<=1024px){.connector-svg{display:none}.feature-card{border-color:var(--border-color)!important;background-color:#ffffffb3!important;padding:2rem 1.5rem!important}.feature-card h3,.feature-card p,.feature-card .feature-icon{opacity:1!important}}