.product-detail{--pd-navy:#092742;--pd-teal:#159b9a;--pd-amber:#c56a1a;--pd-text:#526876;--pd-line:#d9e2e8;color:var(--pd-text);background:#f8fafb}.pd-breadcrumb{display:flex;gap:9px;align-items:center;padding-top:14px;padding-bottom:14px;font-size:11px}.pd-breadcrumb a{color:var(--pd-teal)}.pd-hero{padding:24px 0 42px;background:#fff;border-bottom:1px solid var(--pd-line)}.pd-hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 350px;gap:54px}.pd-kicker{display:flex;gap:14px;align-items:center;margin-bottom:18px;font-size:12px}.pd-kicker span{padding:5px 9px;border:1px solid #cce0e2;background:#f2fafa;color:#0d7878;font-size:10px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.pd-kicker a{color:var(--pd-teal);text-decoration:underline}.pd-hero h1{max-width:800px;margin:0;color:var(--pd-navy);font-size:clamp(32px,3.5vw,46px);line-height:1.12;letter-spacing:-.04em}.pd-alias{margin:8px 0 4px;font-size:18px;font-weight:600}.pd-code{margin:0;color:#8795a1;font:12px ui-monospace,monospace}.pd-facts{display:grid;grid-template-columns:repeat(6,1fr);margin:24px 0;padding:17px 0;border-block:1px solid var(--pd-line)}.pd-facts div{min-width:0}.pd-facts dt{color:#8795a1;font-size:9px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.pd-facts dd{margin:4px 0 0;color:var(--pd-navy);font-size:13px;font-weight:700}.pd-hero h2{margin:0 0 7px;color:var(--pd-navy);font-size:13px;letter-spacing:.06em;text-transform:uppercase}.pd-hero p:last-child{margin-bottom:0;font-size:14px}.pd-order{position:sticky;top:100px;align-self:start;padding:25px;border:1px solid var(--pd-line);background:#fff;box-shadow:0 8px 25px rgba(9,39,66,.07)}.pd-order fieldset{margin:0 0 20px;padding:0;border:0}.pd-order legend,.pd-order>label{display:block;margin-bottom:10px;color:var(--pd-navy);font-size:11px;font-weight:800;letter-spacing:.06em;text-transform:uppercase}.pd-sizes{display:grid;grid-template-columns:1fr 1fr;gap:8px}.pd-sizes button{padding:10px;border:1px solid var(--pd-line);background:#fff;color:var(--pd-text);cursor:pointer}.pd-sizes .is-selected{border:2px solid var(--pd-teal);background:#f2fafa;color:#0d7878;font-weight:800}.pd-quantity{display:flex;width:130px;height:40px;margin-top:8px;border:1px solid var(--pd-line)}.pd-quantity button,.pd-quantity input{width:42px;border:0;background:#fff;text-align:center}.pd-quantity input{border-inline:1px solid var(--pd-line)}.pd-price{display:flex;gap:8px;align-items:baseline;margin:20px 0 12px;padding-top:18px;border-top:1px solid var(--pd-line)}.pd-price strong{color:var(--pd-navy);font-size:20px}.pd-price small{color:#8795a1}.pd-order .button{display:flex;width:100%;margin-top:8px}.pd-primary{border-color:var(--pd-amber);background:var(--pd-amber)}.pd-secondary{border-color:var(--pd-amber);background:#fff;color:var(--pd-amber)}.pd-order>small{display:block;margin-top:13px;text-align:center;color:#8795a1}.pd-section-nav{position:sticky;z-index:10;top:78px;overflow-x:auto;border-bottom:1px solid var(--pd-line);background:#fff}.pd-section-nav .container{display:flex;gap:30px}.pd-section-nav a{flex:0 0 auto;padding:16px 0;color:var(--pd-navy);font-size:12px;font-weight:700}.pd-section-nav a:hover{color:var(--pd-teal)}.pd-section{scroll-margin-top:130px;padding:72px 0;background:#fff;border-bottom:1px solid var(--pd-line)}.pd-section h2,.pd-support h2{margin:0 0 22px;color:var(--pd-navy);font-size:32px;letter-spacing:-.03em}.pd-section p{font-size:14px;line-height:1.75}.pd-two-col{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:70px}.pd-benefits{margin:0;padding:0;list-style:none;border-top:1px solid var(--pd-line)}.pd-benefits li{padding:16px 0;border-bottom:1px solid var(--pd-line)}.pd-benefits strong,.pd-benefits span{display:block}.pd-benefits strong{color:var(--pd-navy)}.pd-benefits span{font-size:13px}.pd-notice{margin-top:30px;padding:14px 18px;border-top:2px solid var(--pd-teal);background:#f5f8f9;font-size:11px}.pd-specifications dl{border-top:1px solid var(--pd-line)}.pd-specifications dl div{display:grid;grid-template-columns:190px 1fr;padding:12px;border-bottom:1px solid #edf1f4;font-size:13px}.pd-specifications dl div:nth-child(even){background:#f8fafb}.pd-specifications dt{color:var(--pd-navy);font-weight:700}.pd-specifications dd{margin:0}.pd-validation{background:#f8fafb}.pd-section-heading{display:flex;justify-content:space-between;align-items:end}.pd-section-heading h2{margin-bottom:4px}.pd-section-heading small{color:#8795a1}.pd-validation-grid{display:grid;grid-template-columns:1fr 1fr;gap:42px;margin-top:28px}.pd-validation figure{margin:0}.pd-validation figcaption{display:flex;justify-content:space-between;padding-bottom:10px;border-bottom:1px solid var(--pd-line)}.pd-validation figcaption strong{color:var(--pd-teal)}.pd-validation figcaption span{font-size:11px}.pd-gel{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;height:190px;margin-top:16px;padding:30px 50px;background:var(--pd-navy)}.pd-gel i{background:linear-gradient(180deg,transparent 25%,rgba(255,255,255,.8) 26% 29%,transparent 30% 60%,rgba(255,255,255,.45) 61% 63%,transparent 64%)}.pd-validation svg{width:100%;height:190px;margin-top:16px;border:1px solid var(--pd-line);background:#fff;padding:12px}.pd-validation svg line{stroke:var(--pd-line)}.pd-validation svg path{fill:none;stroke:var(--pd-teal);stroke-width:3}.pd-documents label{display:block;margin-top:25px;color:var(--pd-navy);font-size:12px;font-weight:700}.pd-documents select{display:block;width:100%;margin-top:8px;padding:12px;border:1px solid var(--pd-line);background:#fff}.pd-document-list{border-top:1px solid var(--pd-line)}.pd-document-list>div{display:grid;grid-template-columns:1fr 90px 120px;gap:16px;padding:13px;border-bottom:1px solid #edf1f4;font-size:13px}.pd-document-head{color:var(--pd-navy)}.pd-document-list a{color:var(--pd-teal)}.pd-storage{background:#eef3f6}.pd-storage-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;border-top:1px solid var(--pd-line);padding-top:22px}.pd-storage h3{margin:0;color:var(--pd-navy);font-size:15px}.pd-storage p{margin:7px 0 0}.pd-faq details{max-width:880px;padding:18px 0;border-top:1px solid var(--pd-line)}.pd-faq details:last-child{border-bottom:1px solid var(--pd-line)}.pd-faq summary{color:var(--pd-navy);font-weight:700;cursor:pointer}.pd-support{padding:72px 0;background:var(--pd-navy);color:#fff}.pd-support>.container{display:grid;grid-template-columns:.8fr 1.2fr;gap:65px}.pd-support h2{color:#fff}.pd-support form{display:grid;grid-template-columns:1fr 1fr;gap:16px;padding:28px;background:#fff;color:var(--pd-text)}.pd-support label{color:var(--pd-navy);font-size:12px;font-weight:700}.pd-support input,.pd-support textarea{display:block;width:100%;margin-top:7px;padding:11px;border:1px solid var(--pd-line)}.pd-support .full{grid-column:1/-1}
@media(max-width:900px){.pd-hero-grid,.pd-two-col,.pd-support>.container{grid-template-columns:1fr}.pd-order{position:static}.pd-facts{grid-template-columns:repeat(3,1fr);gap:15px}.pd-validation-grid{grid-template-columns:1fr}.pd-storage-grid{grid-template-columns:1fr 1fr}.pd-section-nav{top:68px}}
@media(max-width:560px){.pd-facts,.pd-storage-grid,.pd-support form{grid-template-columns:1fr}.pd-facts div{display:flex;justify-content:space-between}.pd-specifications dl div{grid-template-columns:1fr;gap:4px}.pd-document-list>div{grid-template-columns:1fr 55px}.pd-document-list>div span:last-child{grid-column:1/-1}.pd-section{padding:52px 0}.pd-support .full{grid-column:auto}}

.pd-assay-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;margin-top:32px}.pd-assay-grid figure{margin:0;padding:24px;background:#fff;border:1px solid var(--pd-line)}.pd-assay-grid figcaption{padding-bottom:12px;border-bottom:1px solid var(--pd-line)}.pd-assay-grid img{display:block;width:100%;height:280px;margin-top:16px;object-fit:contain;background:#fff}.pd-assay-grid p{margin:16px 0 0}.pd-support>.container>a{align-self:center;justify-self:start}
.pd-specifications dd{color:#526876;font-weight:500}
@media(max-width:900px){.pd-assay-grid{grid-template-columns:1fr}}

/* Product-detail refinement: keep the title clear and move document actions to the order panel. */
.pd-code{margin-top:8px}
.pd-facts{grid-template-columns:repeat(5,minmax(0,1fr))}
.pd-resource-links{display:flex;justify-content:flex-end;gap:16px;margin:-4px 0 22px;padding-bottom:14px;border-bottom:1px solid var(--pd-line);font-size:12px}
.pd-resource-links a{color:var(--pd-teal);text-decoration:underline;text-underline-offset:3px}
.pd-subsection-title{margin-top:48px!important}
@media(max-width:900px){.pd-facts{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:560px){.pd-facts{grid-template-columns:1fr}.pd-resource-links{justify-content:flex-start}}

/* Readable product typography inspired by specialist catalog pages, without micro-label styling. */
.pd-code{color:#667986;font-family:inherit;font-size:14px;font-weight:500;letter-spacing:0}
.pd-facts{gap:24px;padding:20px 0}
.pd-facts dt{color:#657986;font-size:12px;font-weight:600;letter-spacing:0;text-transform:none}
.pd-facts dd{margin-top:7px;font-size:15px;line-height:1.4}
.pd-hero h2{font-size:14px;letter-spacing:.02em;text-transform:none}
.pd-hero p:last-child{font-size:16px;line-height:1.65}
.pd-specifications dl div{grid-template-columns:210px 1fr;padding:15px 16px;font-size:15px;line-height:1.55}
.pd-specifications dt{font-size:14px;font-weight:650;letter-spacing:0;text-transform:none}
.pd-specifications dd{font-size:15px;line-height:1.6}
.pd-background-copy{position:relative}
.pd-background-copy p{font-size:16px;line-height:1.8}
@media(max-width:560px){.pd-specifications dl div{grid-template-columns:1fr;padding:14px 12px}.pd-specifications dt{margin-bottom:4px}}

/* Restrained section color creates hierarchy while keeping scientific data primary. */
.pd-hero{background:linear-gradient(105deg,#fff 0%,#fff 58%,#f1f8f8 100%)}
.pd-hero-grid>div:first-child{position:relative;padding-left:22px}
.pd-hero-grid>div:first-child:before{position:absolute;top:2px;bottom:2px;left:0;width:4px;background:linear-gradient(180deg,var(--pd-teal),#8fd0cb);content:""}
.pd-specifications{background:#fbfdfd}
.pd-specifications h2:after{display:block;width:52px;height:3px;margin-top:12px;background:var(--pd-teal);content:""}
.pd-validation{background:#f1f6f8}
#background{background:linear-gradient(90deg,#f3f9f8 0%,#fff 78%)}
.pd-background-copy{padding-left:26px;border-left:4px solid var(--pd-teal)}
.pd-support{background:linear-gradient(115deg,var(--pd-navy) 0%,#0b3853 72%,#0d5965 100%)}
.pd-support>.container{grid-template-columns:minmax(0,1fr) auto;align-items:center}
.pd-support h2{margin-bottom:10px}
.pd-support p{max-width:700px;margin:0;color:#d6e4ea;font-size:16px;line-height:1.65}
.pd-support>.container>a{min-width:220px;border-color:#fff;background:#fff;color:var(--pd-navy)}
@media(max-width:900px){.pd-support>.container{grid-template-columns:1fr}.pd-support>.container>a{justify-self:start}}

/* Approved third accent: saturated cobalt is reserved for actions and evidence cues. */
.product-detail{--pd-cobalt:#2563eb;--pd-cobalt-dark:#1748b5}
.pd-hero-grid>div:first-child:before{background:linear-gradient(180deg,var(--pd-cobalt) 0%,var(--pd-teal) 72%,#8fd0cb 100%)}
.pd-resource-links a{color:var(--pd-cobalt);font-weight:650;text-decoration-thickness:2px}
.pd-resource-links a:hover,.pd-resource-links a:focus-visible{color:var(--pd-cobalt-dark)}
.pd-sizes .is-selected{border-color:var(--pd-cobalt);background:#edf3ff;color:var(--pd-cobalt-dark)}
body.woocommerce .pd-order a.button.pd-primary{border-color:var(--pd-cobalt);background:var(--pd-cobalt);color:#fff}
body.woocommerce .pd-order a.button.pd-primary:hover,body.woocommerce .pd-order a.button.pd-primary:focus-visible{border-color:var(--pd-cobalt-dark);background:var(--pd-cobalt-dark);color:#fff}
.pd-price{display:block}
.pd-price>span{display:block;margin-bottom:6px;color:#657986;font-size:13px;font-weight:600}
.pd-price strong{display:flex;align-items:baseline;gap:8px;color:var(--pd-navy);font-size:32px;letter-spacing:-.03em}
.pd-price strong small{color:#657986;font-size:13px;font-weight:650;letter-spacing:.04em}
.pd-specifications h2:after{background:linear-gradient(90deg,var(--pd-cobalt) 0 55%,var(--pd-teal) 55% 100%)}
.pd-assay-grid figure{position:relative;border-top:3px solid var(--pd-cobalt)}
.pd-assay-grid figure:nth-child(even){border-top-color:var(--pd-teal)}
.pd-validation figcaption strong{color:var(--pd-cobalt-dark)}
.pd-validation figure:nth-child(even) figcaption strong{color:var(--pd-teal)}
.pd-support>.container>a{border-color:var(--pd-cobalt);background:var(--pd-cobalt);color:#fff}
.pd-support>.container>a:hover,.pd-support>.container>a:focus-visible{border-color:#fff;background:#fff;color:var(--pd-cobalt-dark)}

/* Product purchase controls: balanced documents, centered action and a restrained warm conversion cue. */
.product-detail{--pd-warm:var(--warm-accent,#ef7d3c);--pd-warm-hover:var(--warm-accent-hover,#d86427);--pd-warm-soft:var(--warm-soft,#fff2e9)}
.pd-order{border-top:4px solid var(--pd-warm)}
.pd-resource-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;width:100%;margin:-4px 0 22px;padding-bottom:14px}
.pd-resource-links a{display:flex;min-height:36px;align-items:center;justify-content:center;padding:0 8px;text-align:center}
.pd-resource-links a+a{border-left:1px solid var(--pd-line)}
.pd-price{padding-left:14px;border-left:3px solid var(--pd-warm);background:linear-gradient(90deg,var(--pd-warm-soft) 0%,rgba(255,242,233,0) 82%)}
.pd-price strong{color:#9f3f13}
body.woocommerce .pd-order a.button.pd-primary{display:flex;min-height:48px;align-items:center;justify-content:center;text-align:center;line-height:1.2}
@media(max-width:560px){.pd-resource-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0}}

/* Document actions stay open and lightweight: icon plus label, without divider bars. */
.pd-resource-links{padding-bottom:8px;border-bottom:0;background:transparent}
.pd-resource-links a{gap:7px;background:transparent;text-decoration:none}
.pd-resource-links a+a{border-left:0}
.pd-resource-links a:before{width:16px;height:16px;flex:0 0 16px;background:currentColor;content:"";mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 3v11m0 0 4-4m-4 4-4-4M5 19h14' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 3v11m0 0 4-4m-4 4-4-4M5 19h14' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat}