:root{--spacing-section:clamp(50px, 8vw, 80px);--spacing-element:clamp(15px, 3vw, 25px);--border-radius-lg:16px;--border-radius-md:12px}.product-hero{margin-bottom:var(--spacing-section);grid-template-columns:1fr;align-items:center;gap:clamp(30px,6vw,60px);display:grid}@media (min-width:992px){.product-hero{grid-template-columns:1fr 1fr}}.product-hero-image{background:var(--color-background-alt);border-radius:var(--border-radius-lg);text-align:center;justify-content:center;align-items:center;padding:clamp(20px,5vw,50px);display:flex}.product-hero-image img{border-radius:8px;max-width:100%;height:auto;transition:transform .3s;box-shadow:0 4px 20px #0000000f}.product-hero-image img:hover{transform:scale(1.02)}.product-hero-details h1{letter-spacing:-.02em;margin-bottom:clamp(10px,2vw,15px);font-size:clamp(2rem,4vw,3rem);line-height:1.15}.product-hero-details .description{margin-bottom:var(--spacing-element);color:var(--color-text);opacity:.9;font-size:clamp(1rem,2vw,1.15rem);line-height:1.6}.benefits-list{margin:0 0 var(--spacing-element) 0;grid-template-columns:1fr 1fr;gap:12px;padding:0;list-style:none;display:grid}@media (max-width:480px){.benefits-list{grid-template-columns:1fr}}.benefits-list li{color:var(--color-text);align-items:center;gap:8px;font-size:clamp(.9rem,1.5vw,.95rem);display:flex}.price-display{color:var(--color-text);margin-bottom:var(--spacing-element);flex-wrap:wrap;align-items:baseline;gap:10px;font-size:clamp(2rem,4vw,2.5rem);font-weight:800;display:flex}.price-display .price-meta{color:var(--color-text-light);font-size:clamp(.9rem,1.5vw,1rem);font-weight:400}.variant-selector{margin-bottom:var(--spacing-element);grid-template-columns:repeat(auto-fit,minmax(90px,1fr));gap:12px;display:grid}@media (min-width:768px){.variant-selector{grid-template-columns:repeat(auto-fit,minmax(110px,1fr))}}.variant-option{border:2px solid var(--color-border);border-radius:var(--border-radius-md);text-align:center;cursor:pointer;background:#fff;padding:clamp(10px,2vw,14px);transition:all .2s}.variant-option:hover{border-color:var(--color-primary-light)}.variant-option.selected{border-color:var(--color-primary);background:#2b5a460d}.variant-option .variant-label{margin-bottom:4px;font-size:clamp(.9rem,1.5vw,1rem);font-weight:700;display:block}.variant-option .variant-price{color:var(--color-text-light);font-size:.85rem;display:block}.add-to-cart-wrapper{flex-direction:column;gap:15px;margin-bottom:30px;display:flex}@media (min-width:480px){.add-to-cart-wrapper{flex-direction:row}}.qty-selector{border:1px solid var(--color-border);border-radius:var(--border-radius-md);background:#fff;flex:none;align-items:center;height:54px;display:flex;overflow:hidden}.qty-btn{cursor:pointer;height:100%;color:var(--color-text);background:0 0;border:none;min-width:44px;padding:0 15px;font-size:1.4rem;font-weight:700}.qty-btn:hover{background:var(--color-background-alt)}.qty-input{text-align:center;-moz-appearance:textfield;border:none;width:50px;height:100%;font-size:1.1rem;font-weight:600}.qty-input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.qty-input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.add-btn{border-radius:var(--border-radius-md);flex:1;justify-content:center;align-items:center;gap:10px;height:54px;font-size:1.1rem;font-weight:700;display:flex}.specs-section{margin-bottom:var(--spacing-section);grid-template-columns:1fr;align-items:start;gap:clamp(30px,6vw,60px);display:grid}@media (min-width:992px){.specs-section{grid-template-columns:1.2fr 1fr}}.overview-content h2{margin-bottom:clamp(15px,2vw,20px);font-size:clamp(1.6rem,3vw,2.2rem)}.overview-content p{color:var(--color-text);margin-bottom:clamp(15px,2vw,20px);font-size:clamp(1rem,2vw,1.1rem);line-height:1.7}.specs-grid-wrapper h3{margin-bottom:clamp(15px,2vw,25px);font-size:clamp(1.4rem,2.5vw,1.8rem)}.specs-grid{grid-template-columns:1fr;gap:clamp(12px,2vw,20px);display:grid}@media (min-width:480px){.specs-grid{grid-template-columns:1fr 1fr}}.spec-item{background:var(--color-background-alt);border-radius:var(--border-radius-md);border:1px solid var(--color-border);padding:clamp(15px,2vw,24px);transition:border-color .2s}.spec-item:hover{border-color:var(--color-primary-light)}.spec-label{color:var(--color-text-light);text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px;font-size:.85rem;font-weight:700;display:block}.spec-value{color:var(--color-text);font-size:clamp(1.05rem,2vw,1.15rem);font-weight:700;line-height:1.3;display:block}.product-faq-section{padding:var(--spacing-section) 0;border-top:1px solid var(--color-border);border-bottom:1px solid var(--color-border);margin-bottom:var(--spacing-section);background:#fafafa}.product-faq-section h2{text-align:center;color:var(--color-text);margin-bottom:35px;font-size:clamp(1.6rem,3vw,2.2rem)}.faq-accordion-group{flex-direction:column;gap:12px;max-width:900px;margin:0 auto;padding:0 20px;display:flex}.faq-accordion{border:1px solid var(--color-border);border-radius:var(--border-radius-md);background:#fff;overflow:hidden;box-shadow:0 4px 15px #00000005}.faq-accordion summary{color:var(--color-primary-dark);cursor:pointer;justify-content:space-between;align-items:center;padding:clamp(15px,3vw,20px) clamp(20px,4vw,25px);font-size:1.15rem;font-weight:600;list-style:none;display:flex;position:relative}.faq-accordion summary::-webkit-details-marker{display:none}.faq-accordion summary:after{content:"+";color:var(--color-primary);font-size:1.5rem;font-weight:400;transition:transform .2s}.faq-accordion[open] summary:after{content:"−"}.faq-accordion-content{border-top:1px solid #0000;padding:0 clamp(20px,4vw,25px) clamp(20px,4vw,25px)}.faq-accordion[open] .faq-accordion-content{border-top-color:var(--color-border-light,#eaeaea);padding-top:20px}.faq-accordion-content p{color:var(--color-text);margin:0;font-size:1.05rem;line-height:1.6}.faq-accordion-content p a{color:var(--color-primary);text-underline-offset:3px;font-weight:600;text-decoration:underline}.faq-accordion-content p a:hover{color:var(--color-primary-dark)}.difference-section{background:linear-gradient(145deg, var(--color-background-alt) 0%, #fff 100%);border:1px solid var(--color-border);border-radius:var(--border-radius-lg);margin-bottom:var(--spacing-section);padding:clamp(25px,5vw,50px);box-shadow:0 10px 30px #00000005}.difference-section h2{color:var(--color-text);letter-spacing:-.01em;margin-bottom:15px;font-size:clamp(1.6rem,3vw,2.2rem)}.difference-section .seo-copy{color:var(--color-text);max-width:900px;margin-bottom:35px;font-size:clamp(1rem,2vw,1.1rem);line-height:1.7}.difference-grid{grid-template-columns:1fr;gap:20px;display:grid}@media (min-width:768px){.difference-grid{grid-template-columns:repeat(3,1fr)}}.diff-card{border:1px solid var(--color-border);border-radius:var(--border-radius-md);background:#fff;padding:clamp(20px,3vw,30px);transition:transform .2s,box-shadow .2s}.diff-card:hover{border-color:var(--color-primary-light);transform:translateY(-3px);box-shadow:0 8px 25px #0000000d}.diff-icon{width:44px;height:44px;color:var(--color-primary);background:#2b5a4614;border-radius:12px;justify-content:center;align-items:center;margin-bottom:18px;display:flex}.diff-card h4{color:var(--color-text);margin-bottom:10px;font-size:clamp(1.05rem,2vw,1.15rem);font-weight:700}.diff-card p{color:var(--color-text-light);font-size:clamp(.9rem,1.5vw,.95rem);line-height:1.6}.lab-testing-section{border:1px solid var(--color-border);border-radius:var(--border-radius-lg);margin-bottom:var(--spacing-section);background:#fff;grid-template-columns:1fr;gap:30px;padding:clamp(25px,5vw,50px);display:grid;box-shadow:0 10px 30px #00000005}@media (min-width:992px){.lab-testing-section{grid-template-columns:1.2fr 1fr;align-items:center}}.lab-content h2{color:var(--color-text);letter-spacing:-.01em;margin-bottom:15px;font-size:clamp(1.6rem,3vw,2.2rem)}.lab-content p{color:var(--color-text);margin-bottom:25px;font-size:clamp(1rem,2vw,1.1rem);line-height:1.7}.lab-checklist{grid-template-columns:1fr;gap:15px;margin-bottom:30px;display:grid}@media (min-width:480px){.lab-checklist{grid-template-columns:1fr 1fr}}.lab-checklist li{color:var(--color-text);align-items:center;gap:10px;font-size:clamp(.9rem,1.5vw,1rem);font-weight:600;display:flex}.lab-checklist li svg{color:var(--color-primary);flex-shrink:0}.lab-badge-card{background:var(--color-background-alt);border:2px dashed var(--color-border);border-radius:var(--border-radius-md);text-align:center;flex-direction:column;justify-content:center;align-items:center;padding:clamp(20px,4vw,40px);display:flex}.lab-badge-card .badge-icon{background:var(--color-primary);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:64px;height:64px;margin-bottom:20px;display:flex;box-shadow:0 4px 15px #2b5a4633}.lab-badge-card .batch-label{text-transform:uppercase;letter-spacing:1.5px;color:var(--color-text-light);margin-bottom:8px;font-size:.85rem;font-weight:700}.lab-badge-card .batch-number{color:var(--color-text);border:1px solid var(--color-border);background:#fff;border-radius:8px;padding:10px 20px;font-family:monospace;font-size:clamp(1.4rem,3vw,1.8rem);font-weight:800;box-shadow:inset 0 2px 4px #00000005}.product-features-section{margin-bottom:var(--spacing-section)}.product-features-section h2{color:var(--color-text);letter-spacing:-.01em;margin-bottom:10px;font-size:clamp(1.6rem,3vw,2.2rem)}.product-features-section .features-intro{color:var(--color-text-light);max-width:800px;margin-bottom:30px;font-size:clamp(1rem,2vw,1.1rem);line-height:1.7}.features-grid{grid-template-columns:1fr;gap:15px;display:grid}@media (min-width:600px){.features-grid{grid-template-columns:1fr 1fr}}@media (min-width:992px){.features-grid{grid-template-columns:1fr 1fr 1fr 1fr}}.feature-card{border:1px solid var(--color-border);border-radius:var(--border-radius-md);background:#fff;padding:clamp(20px,3vw,25px);transition:border-color .2s,box-shadow .2s}.feature-card:hover{border-color:var(--color-primary-light);box-shadow:0 4px 15px #00000008}.feature-icon-wrapper{width:48px;height:48px;color:var(--color-primary);background:#2b5a4614;border-radius:50%;justify-content:center;align-items:center;margin-bottom:15px;display:flex}.feature-card h4{color:var(--color-text);margin-bottom:8px;font-size:1.05rem;font-weight:700}.feature-card p{color:var(--color-text-light);font-size:.9rem;line-height:1.5}