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768px){.mobile-menu-button{display:flex}.nav{position:fixed;top:80px;right:0;bottom:0;width:280px;flex-direction:column;gap:0;padding:var(--space-lg);background:var(--color-bg-elevated);border-left:1px solid var(--color-border);transform:translate(100%);transition:transform var(--transition-base)}.nav.nav-open{transform:translate(0)}.nav-link{padding:var(--space-md) 0;font-size:1rem;border-bottom:1px solid var(--color-border)}.mobile-overlay{display:block;position:fixed;top:80px;left:0;right:0;bottom:0;background:#00000080;z-index:-1}}.footer{background:var(--color-bg-elevated);border-top:1px solid var(--color-border);margin-top:var(--space-3xl)}.footer-container{max-width:1400px;margin:0 auto;padding:var(--space-3xl) var(--space-lg);display:grid;grid-template-columns:2fr 1fr 1fr;gap:var(--space-2xl)}.footer-brand{max-width:400px}.footer-logo{font-family:var(--font-display);font-size:1.5rem;font-weight:600;letter-spacing:.15em;color:var(--color-text)}.footer-logo .logo-dot{color:var(--color-accent)}.footer-tagline{margin-top:var(--space-md);font-size:.9rem;line-height:1.7}.footer-links h4,.footer-tech h4{font-family:var(--font-body);font-size:.8rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--color-text);margin-bottom:var(--space-md)}.footer-links{display:flex;flex-direction:column;gap:var(--space-sm)}.footer-links a{display:inline-flex;align-items:center;gap:var(--space-sm);font-size:.9rem;color:var(--color-text-secondary);transition:color var(--transition-fast)}.footer-links a:hover{color:var(--color-accent)}.tech-stack{display:flex;flex-wrap:wrap;gap:var(--space-sm)}.tech-stack span{padding:var(--space-xs) var(--space-sm);background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-sm);font-size:.8rem;color:var(--color-text-secondary)}.footer-bottom{border-top:1px solid var(--color-border);padding:var(--space-lg);text-align:center}.footer-bottom p{font-size:.8rem;color:var(--color-text-muted)}@media (max-width: 768px){.footer-container{grid-template-columns:1fr;gap:var(--space-xl)}.footer-brand{max-width:none}}.product-card{position:relative;background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden;cursor:pointer;opacity:0;animation:fadeInUp .5s ease forwards;transition:transform var(--transition-base),box-shadow var(--transition-base),border-color var(--transition-base)}.product-card:hover{transform:translateY(-4px);border-color:var(--color-border-light);box-shadow:var(--shadow-lg)}.product-image-container{position:relative;aspect-ratio:1;overflow:hidden;background:var(--color-bg-elevated)}.product-image{width:100%;height:100%;object-fit:cover;transition:transform var(--transition-slow)}.product-card:hover .product-image{transform:scale(1.05)}.product-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(to top,rgba(0,0,0,.9) 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infinite}.deals-title{flex:1;font-family:var(--font-display);font-size:clamp(1.5rem,3vw,2rem);font-weight:500;color:var(--color-text)}.deals-timer{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);background:#f8717126;border:1px solid rgba(248,113,113,.3);border-radius:var(--radius-md);font-size:.875rem;font-weight:600;color:var(--color-error)}.deals-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:var(--space-lg)}.deal-card{position:relative;background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-lg);opacity:0;animation:fadeInUp .5s ease forwards;transition:transform var(--transition-base),border-color var(--transition-base),box-shadow var(--transition-base)}.deal-card:hover{transform:translateY(-4px);border-color:var(--color-accent);box-shadow:var(--shadow-glow)}.deal-badge{position:absolute;top:var(--space-md);right:var(--space-md);padding:var(--space-xs) var(--space-sm);background:linear-gradient(135deg,var(--color-accent) 0%,var(--color-accent-dark) 100%);color:var(--color-bg);font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;border-radius:var(--radius-sm)}.deal-content{display:flex;flex-direction:column;gap:var(--space-sm)}.deal-name{font-family:var(--font-display);font-size:1.1rem;font-weight:500;color:var(--color-text);padding-right:80px}.deal-pricing{display:flex;align-items:baseline;gap:var(--space-sm)}.original-price{font-size:.9rem;color:var(--color-text-muted);text-decoration:line-through}.sale-price{font-family:var(--font-display);font-size:1.5rem;font-weight:600;color:var(--color-success)}.deal-cta{display:flex;align-items:center;justify-content:center;gap:var(--space-sm);width:100%;margin-top:var(--space-sm);padding:var(--space-md);background:transparent;border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text);font-weight:600;font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;transition:all var(--transition-fast)}.deal-cta:hover{background:var(--color-accent);border-color:var(--color-accent);color:var(--color-bg)}@media (max-width: 640px){.deals-banner{padding:var(--space-lg)}.deals-header{flex-direction:column;align-items:flex-start;text-align:left}.deals-timer{width:100%;justify-content:center}}.home-page{min-height:100vh}.page-loading{min-height:60vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-lg)}.page-loading .loading-spinner{width:40px;height:40px;border:2px solid var(--color-border);border-top-color:var(--color-accent);border-radius:50%;animation:spin 1s linear infinite}.page-loading p{font-family:var(--font-display);color:var(--color-text-secondary);letter-spacing:.05em}.hero{position:relative;min-height:70vh;display:flex;align-items:center;overflow:hidden}.hero-bg{position:absolute;top:0;right:0;bottom:0;left:0;z-index:0}.hero-gradient{position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(ellipse at 30% 20%,rgba(201,169,98,.12) 0%,transparent 50%),radial-gradient(ellipse at 70% 80%,rgba(201,169,98,.08) 0%,transparent 40%)}.hero-pattern{position:absolute;top:0;right:0;bottom:0;left:0;opacity:.03;background-image:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 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forwards}.hero-actions{display:flex;gap:var(--space-md);flex-wrap:wrap;opacity:0;animation:fadeInUp .6s ease .3s forwards}.btn-primary{display:inline-flex;align-items:center;gap:var(--space-sm);padding:var(--space-md) var(--space-xl);background:var(--color-accent);color:var(--color-bg);font-weight:600;text-transform:uppercase;letter-spacing:.05em;border-radius:var(--radius-md);transition:all var(--transition-fast)}.btn-primary:hover{background:var(--color-accent-light);color:var(--color-bg);transform:translateY(-2px)}.btn-secondary{display:inline-flex;align-items:center;gap:var(--space-sm);padding:var(--space-md) var(--space-xl);background:transparent;color:var(--color-text);font-weight:600;text-transform:uppercase;letter-spacing:.05em;border:1px solid var(--color-border);border-radius:var(--radius-md);transition:all var(--transition-fast)}.btn-secondary:hover{border-color:var(--color-text);color:var(--color-text)}.feature-notice{display:flex;gap:var(--space-lg);padding:var(--space-lg);background:var(--color-bg-card);border:1px solid var(--color-border);border-left:4px solid var(--color-warning);border-radius:var(--radius-md);margin-bottom:var(--space-3xl)}.notice-icon{font-size:2rem;flex-shrink:0}.notice-content h3{font-family:var(--font-display);font-size:1.1rem;margin-bottom:var(--space-xs)}.notice-content p{font-size:.9rem;line-height:1.6}.featured-section{margin-bottom:var(--space-3xl)}.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-xl)}.section-header h2{font-family:var(--font-display);font-size:clamp(1.75rem,3vw,2.25rem)}.view-all{display:inline-flex;align-items:center;gap:var(--space-xs);font-size:.9rem;font-weight:500;color:var(--color-text-secondary);transition:color var(--transition-fast)}.view-all:hover{color:var(--color-accent)}.sdk-features{padding:var(--space-3xl) 0;border-top:1px solid var(--color-border)}.sdk-features h2{font-family:var(--font-display);font-size:clamp(1.75rem,3vw,2.25rem);margin-bottom:var(--space-md)}.sdk-features-intro{font-size:1rem;color:var(--color-text-secondary);margin-bottom:var(--space-xl);max-width:600px}.feature-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--space-lg)}.feature-card{padding:var(--space-xl);background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);transition:all var(--transition-base)}.feature-card:hover{border-color:var(--color-accent);transform:translateY(-2px)}.feature-card-icon{font-size:2rem;margin-bottom:var(--space-md)}.feature-card h3{font-family:var(--font-display);font-size:1.25rem;margin-bottom:var(--space-sm)}.feature-card p{font-size:.9rem;line-height:1.6;margin-bottom:var(--space-md)}.feature-location{display:inline-block;padding:var(--space-xs) var(--space-sm);background:var(--color-bg);border-radius:var(--radius-sm);font-size:.75rem;font-family:monospace;color:var(--color-accent)}@media (max-width: 640px){.hero{min-height:60vh}.hero-actions{flex-direction:column}.btn-primary,.btn-secondary{width:100%;justify-content:center}.feature-notice{flex-direction:column;text-align:center}}.products-page{padding:var(--space-xl) 0;min-height:100vh}.page-header{text-align:center;margin-bottom:var(--space-2xl);padding:var(--space-xl) 0}.page-header h1{font-size:clamp(2.5rem,5vw,3.5rem);margin-bottom:var(--space-sm);opacity:0;animation:fadeInUp .5s ease forwards}.page-header p{font-size:1.1rem;color:var(--color-text-secondary);opacity:0;animation:fadeInUp .5s ease .1s forwards}.category-filter{display:flex;justify-content:center;gap:var(--space-sm);margin-bottom:var(--space-2xl);flex-wrap:wrap;opacity:0;animation:fadeInUp .5s ease .2s forwards}.category-btn{padding:var(--space-sm) var(--space-lg);background:transparent;border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-secondary);font-weight:500;font-size:.875rem;text-transform:uppercase;letter-spacing:.05em;transition:all var(--transition-fast)}.category-btn:hover{border-color:var(--color-text-secondary);color:var(--color-text)}.category-btn.active{background:var(--color-accent);border-color:var(--color-accent);color:var(--color-bg)}.feature-active-notice{display:flex;align-items:center;justify-content:center;gap:var(--space-md);padding:var(--space-md) var(--space-lg);background:#4ade801a;border:1px solid rgba(74,222,128,.3);border-radius:var(--radius-md);margin-bottom:var(--space-xl);font-size:.9rem;color:var(--color-success)}.notice-badge{padding:var(--space-xs) var(--space-sm);background:var(--color-success);color:var(--color-bg);font-size:.75rem;font-weight:700;border-radius:var(--radius-sm)}.main-products{margin-bottom:var(--space-3xl)}.products-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:var(--space-lg)}.recommendations-section{padding:var(--space-2xl) 0;border-top:1px solid var(--color-border)}.recommendations-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-xl);flex-wrap:wrap;gap:var(--space-md)}.recommendations-header h2{font-size:clamp(1.5rem,3vw,2rem)}.algorithm-badge{padding:var(--space-xs) var(--space-md);background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:.8rem;font-family:monospace;color:var(--color-accent)}.recommendations-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:var(--space-lg)}.tests-info{padding:var(--space-2xl) 0;border-top:1px solid var(--color-border)}.tests-info h3{font-family:var(--font-display);font-size:1.5rem;margin-bottom:var(--space-lg);text-align:center}.test-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--space-lg)}.test-card{padding:var(--space-lg);background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg)}.test-card h4{font-family:var(--font-display);font-size:1.1rem;margin-bottom:var(--space-sm);color:var(--color-text)}.test-card p{font-size:.875rem;line-height:1.6;margin-bottom:var(--space-md)}.test-status{font-size:.85rem;color:var(--color-text-muted)}.test-status span{font-weight:600;padding:2px 8px;border-radius:var(--radius-sm)}.test-status span.enabled{background:#4ade8026;color:var(--color-success)}.test-status span.control{background:#a0a0a026;color:var(--color-text-secondary)}@media (max-width: 640px){.feature-active-notice{flex-direction:column;text-align:center}.recommendations-header{flex-direction:column;align-items:flex-start}}.cart-page{padding:var(--space-xl) 0;min-height:100vh}.cart-header{margin-bottom:var(--space-2xl)}.back-link{display:inline-flex;align-items:center;gap:var(--space-sm);font-size:.9rem;color:var(--color-text-secondary);margin-bottom:var(--space-md);transition:color var(--transition-fast)}.back-link:hover{color:var(--color-accent)}.cart-header h1{font-size:clamp(2rem,4vw,3rem)}.cart-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-3xl);text-align:center;color:var(--color-text-muted)}.cart-empty h2{font-family:var(--font-display);font-size:1.5rem;margin:var(--space-lg) 0 var(--space-sm);color:var(--color-text)}.cart-empty p{margin-bottom:var(--space-xl)}.shop-btn{display:inline-flex;align-items:center;gap:var(--space-sm);padding:var(--space-md) var(--space-xl);background:var(--color-accent);color:var(--color-bg);font-weight:600;text-transform:uppercase;letter-spacing:.05em;border-radius:var(--radius-md);transition:all var(--transition-fast)}.shop-btn:hover{background:var(--color-accent-light);color:var(--color-bg)}.cart-layout{display:grid;grid-template-columns:1fr 380px;gap:var(--space-2xl);align-items:start}.discount-banner,.discount-pending-banner{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md) var(--space-lg);border-radius:var(--radius-lg);margin-bottom:var(--space-lg)}.discount-banner{background:linear-gradient(135deg,#4ade8026,#4ade800d);border:1px solid rgba(74,222,128,.3);color:var(--color-success)}.discount-pending-banner{background:linear-gradient(135deg,#c9a96226,#c9a9620d);border:1px solid rgba(201,169,98,.3);color:var(--color-accent)}.discount-info{flex:1;display:flex;flex-direction:column;gap:2px}.discount-info strong{font-size:1rem}.discount-info span{font-size:.85rem;opacity:.8}.discount-info code{background:#0003;padding:2px 6px;border-radius:var(--radius-sm);font-size:.85rem}.discount-amount{font-family:var(--font-display);font-size:1.25rem;font-weight:600}.cart-items{display:flex;flex-direction:column;gap:var(--space-md)}.cart-item{display:grid;grid-template-columns:100px 1fr auto auto auto;gap:var(--space-lg);align-items:center;padding:var(--space-lg);background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);transition:border-color var(--transition-fast)}.cart-item:hover{border-color:var(--color-border-light)}.item-image{width:100px;height:100px;object-fit:cover;border-radius:var(--radius-md)}.item-details h3{font-family:var(--font-display);font-size:1.1rem;font-weight:500;margin-bottom:var(--space-xs)}.item-price{font-size:.9rem;color:var(--color-text-secondary)}.item-quantity{display:flex;align-items:center;gap:var(--space-xs);background:var(--color-bg);border-radius:var(--radius-md);padding:4px}.item-quantity button{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:var(--radius-sm);color:var(--color-text-secondary);transition:all var(--transition-fast)}.item-quantity button:hover{background:var(--color-bg-hover);color:var(--color-text)}.item-quantity span{min-width:32px;text-align:center;font-weight:600}.item-total{font-family:var(--font-display);font-size:1.25rem;font-weight:600;min-width:80px;text-align:right}.remove-btn{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:var(--radius-md);color:var(--color-text-muted);transition:all var(--transition-fast)}.remove-btn:hover{background:#f8717126;color:var(--color-error)}.order-summary{position:sticky;top:100px;padding:var(--space-xl);background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-xl)}.order-summary h2{font-family:var(--font-display);font-size:1.25rem;margin-bottom:var(--space-lg);padding-bottom:var(--space-md);border-bottom:1px solid var(--color-border)}.summary-rows{display:flex;flex-direction:column;gap:var(--space-md);margin-bottom:var(--space-xl)}.summary-row{display:flex;justify-content:space-between;font-size:.95rem;color:var(--color-text-secondary)}.summary-row.discount{color:var(--color-success)}.summary-row.total{padding-top:var(--space-md);border-top:1px solid var(--color-border);font-size:1.1rem;font-weight:600;color:var(--color-text)}.summary-row.total 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#3a3a3a;--color-text: #fafafa;--color-text-secondary: #a0a0a0;--color-text-muted: #666666;--color-accent: #c9a962;--color-accent-light: #e4d4a5;--color-accent-dark: #9a7b3a;--color-success: #4ade80;--color-error: #f87171;--color-warning: #fbbf24;--font-display: "Cormorant Garamond", Georgia, serif;--font-body: "DM Sans", -apple-system, BlinkMacSystemFont, sans-serif;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--space-3xl: 4rem;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--transition-fast: .15s ease;--transition-base: .25s ease;--transition-slow: .4s ease;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .3);--shadow-md: 0 4px 16px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .5);--shadow-glow: 0 0 30px rgba(201, 169, 98, 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var(--space-lg)}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInRight{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.animate-fade-in{animation:fadeIn var(--transition-base) ease forwards}.animate-fade-in-up{animation:fadeInUp var(--transition-slow) ease forwards}.animate-slide-in-right{animation:slideInRight var(--transition-slow) ease forwards}.skeleton{background:linear-gradient(90deg,var(--color-bg-card) 25%,var(--color-bg-hover) 50%,var(--color-bg-card) 75%);background-size:200% 100%;animation:shimmer 1.5s 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