/*
Theme Name: Premium Research Supply
Theme URI: https://example.com/
Author: Custom Build
Description: Premium WordPress theme for B2B research peptide suppliers with COA-forward, research-use-only positioning.
Version: 22.0
Text Domain: premium-research-supply
*/

:root{
  --ink:#0b1720;--muted:#66727b;--line:#dfe7eb;--paper:#f7fafb;--white:#fff;
  --accent:#39d0c3;--accent-dark:#0e817a;--navy:#07131b;--soft:#eaf8f6;
  --shadow:0 18px 45px rgba(7,19,27,.09);--radius:22px;--max:1220px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#fff;line-height:1.55}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}.wrap{width:min(var(--max),calc(100% - 40px));margin:auto}.topbar{background:var(--navy);color:#d8ecea;font-size:12px;letter-spacing:.08em;text-transform:uppercase}.topbar .wrap{display:flex;gap:22px;justify-content:center;padding:9px 0;flex-wrap:wrap}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(223,231,235,.85)}.nav{display:flex;align-items:center;justify-content:space-between;min-height:74px;gap:26px}.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:-.03em}.brand-mark{width:38px;height:38px;border-radius:13px;background:linear-gradient(135deg,var(--navy),var(--accent));position:relative;box-shadow:var(--shadow)}.brand-mark:after{content:"";position:absolute;inset:9px;border:1.5px solid rgba(255,255,255,.9);border-radius:50% 50% 44% 56%}.menu{display:flex;gap:24px;align-items:center;font-size:14px;font-weight:650}.menu a:hover{color:var(--accent-dark)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 19px;border-radius:999px;font-weight:750;border:1px solid var(--ink);transition:.2s ease;cursor:pointer}.btn-dark{background:var(--ink);color:#fff}.btn-dark:hover{transform:translateY(-1px);background:#132733}.btn-light{background:#fff}.btn-light:hover{background:var(--paper)}.hero{background:radial-gradient(circle at 85% 15%,rgba(57,208,195,.25),transparent 29%),linear-gradient(180deg,#f8fbfb,#fff);padding:82px 0 66px}.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}.eyebrow{font-size:12px;letter-spacing:.14em;text-transform:uppercase;font-weight:800;color:var(--accent-dark);margin-bottom:18px}.hero h1{font-size:clamp(48px,7vw,82px);line-height:.95;letter-spacing:-.065em;margin:0 0 24px;max-width:850px}.hero h1 span{color:var(--accent-dark)}.lead{font-size:19px;color:#47545d;max-width:700px;margin:0 0 28px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.trust-row{display:flex;gap:22px;flex-wrap:wrap;margin-top:28px;color:#4d5d65;font-size:13px}.trust-row b{color:var(--ink)}.hero-panel{background:var(--navy);color:#fff;border-radius:30px;padding:32px;box-shadow:0 30px 70px rgba(7,19,27,.22);position:relative;overflow:hidden;min-height:480px}.hero-panel:before{content:"";position:absolute;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(57,208,195,.34),transparent 66%);right:-80px;top:-80px}.vial-stack{position:relative;display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:32px}.vial{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.13);border-radius:20px;padding:20px;min-height:150px}.vial small{color:#a8c3c3;text-transform:uppercase;letter-spacing:.1em}.vial h3{font-size:25px;margin:8px 0 2px}.vial p{font-size:13px;color:#c5d4d7;margin:0}.coa-badge{position:absolute;right:25px;bottom:24px;background:#fff;color:var(--ink);border-radius:16px;padding:14px 18px;font-weight:800;box-shadow:var(--shadow)}.section{padding:82px 0}.section.alt{background:var(--paper)}.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:34px}.section h2{font-size:clamp(34px,5vw,56px);line-height:1;letter-spacing:-.045em;margin:0}.section-head p{max-width:560px;color:var(--muted);margin:0}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:0 8px 24px rgba(7,19,27,.03)}.num{font-size:12px;font-weight:800;color:var(--accent-dark);letter-spacing:.12em}.card h3{margin:18px 0 8px;font-size:24px;letter-spacing:-.025em}.card p{color:var(--muted);margin:0}.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.product{border:1px solid var(--line);border-radius:22px;overflow:hidden;background:#fff;transition:.2s}.product:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.product-art{height:210px;background:linear-gradient(145deg,#e8f5f4,#f9fbfb);display:flex;align-items:center;justify-content:center;position:relative}.product-art:after{content:"RUO";position:absolute;top:16px;right:16px;padding:6px 9px;border-radius:999px;background:#fff;font-size:10px;font-weight:900;letter-spacing:.12em}.bottle{width:74px;height:114px;border-radius:12px 12px 18px 18px;background:linear-gradient(#fefefe,#e5eaec);border:1px solid #ced8dc;position:relative;box-shadow:0 14px 25px rgba(12,37,45,.15)}.bottle:before{content:"";position:absolute;width:82px;height:27px;left:-5px;top:-12px;border-radius:9px;background:#d5dde0;border:1px solid #bfc8cb}.bottle:after{content:"RESEARCH";position:absolute;left:8px;right:8px;top:46px;background:var(--navy);color:#fff;font-size:8px;padding:8px 2px;text-align:center;letter-spacing:.12em}.product-body{padding:20px}.product-body small{font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--accent-dark);font-weight:800}.product-body h3{margin:8px 0 8px;font-size:22px}.meta{display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:12px;border-top:1px solid var(--line);padding-top:14px;margin-top:16px}.doc-band{background:var(--navy);color:#fff;border-radius:30px;padding:42px;display:grid;grid-template-columns:1fr .8fr;gap:50px;align-items:center}.doc-band p{color:#bfd0d4}.doc-list{display:grid;gap:12px}.doc-item{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:16px 18px;display:flex;justify-content:space-between}.doc-item span:last-child{color:var(--accent)}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.step{padding:28px;border-top:2px solid var(--ink)}.step b{font-size:12px;color:var(--accent-dark)}.step h3{font-size:26px;margin:14px 0 8px}.step p{color:var(--muted)}.quote{background:linear-gradient(145deg,#e6f8f5,#f8fbfb);border-radius:30px;padding:50px;text-align:center}.quote h2{max-width:800px;margin:0 auto 18px}.footer{background:#061018;color:#c7d4d8;padding:52px 0 28px}.footer-grid{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:34px}.footer h4{color:#fff;margin:0 0 14px}.footer a{display:block;margin:8px 0;color:#c7d4d8}.legal{border-top:1px solid rgba(255,255,255,.1);margin-top:32px;padding-top:22px;font-size:12px;color:#91a4aa}.page-hero{padding:70px 0 38px;background:var(--paper)}.page-hero h1{font-size:56px;letter-spacing:-.05em;margin:0 0 12px}.content{padding:50px 0 80px}.content h2{margin-top:42px}.notice{padding:18px 20px;border:1px solid #abdcd7;background:#effaf8;border-radius:14px}.mobile-toggle{display:none}
@media(max-width:900px){.hero-grid,.doc-band{grid-template-columns:1fr}.grid-3,.steps{grid-template-columns:1fr}.product-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}.menu{display:none}.mobile-toggle{display:block}.hero{padding-top:58px}.hero-panel{min-height:auto}}
@media(max-width:600px){.wrap{width:min(100% - 24px,var(--max))}.product-grid,.footer-grid{grid-template-columns:1fr}.hero h1{font-size:48px}.section{padding:62px 0}.quote,.doc-band{padding:28px}.topbar .wrap{gap:10px;font-size:10px}.site-header .btn{padding:10px 14px;font-size:12px}.section-head{display:block}.section-head p{margin-top:16px}}

/* ========================================================================
   Premium research product page
   ===================================================================== */
.product-hero{padding:64px 0 72px;background:radial-gradient(circle at 18% 18%,rgba(57,208,195,.18),transparent 30%),linear-gradient(180deg,#f7fbfb,#fff)}
.product-hero-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:70px;align-items:center}
.product-visual-shell{min-height:540px;border:1px solid var(--line);border-radius:32px;background:linear-gradient(145deg,#eef7f6,#fff);position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden;box-shadow:var(--shadow)}
.product-visual-shell:before{content:"";position:absolute;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(57,208,195,.22),transparent 68%)}
.product-ruo-chip{position:absolute;top:22px;left:22px;background:var(--navy);color:#fff;padding:8px 11px;border-radius:999px;font-size:10px;font-weight:900;letter-spacing:.12em;text-transform:uppercase;z-index:2}
.product-main-image{position:relative;z-index:1;width:min(82%,520px);text-align:center}.product-main-image img{max-height:430px;width:auto;object-fit:contain}
.spec-vial{width:150px;height:230px;border-radius:18px 18px 28px 28px;background:linear-gradient(#fff,#e3e9eb);border:1px solid #c8d3d6;box-shadow:0 28px 55px rgba(7,19,27,.18);position:relative;z-index:1;display:flex;align-items:center;justify-content:center}
.spec-vial:before{content:"";position:absolute;width:166px;height:48px;left:-9px;top:-24px;border-radius:11px;background:#d5dde0;border:1px solid #bfc8cb}
.spec-vial:after{content:"RESEARCH USE ONLY";position:absolute;left:14px;right:14px;top:90px;background:var(--navy);color:#fff;font-size:9px;padding:15px 5px;text-align:center;letter-spacing:.12em}
.spec-vial span{position:absolute;bottom:36px;font-size:11px;font-weight:800;color:#52636b;letter-spacing:.08em}
.visual-caption{position:absolute;bottom:22px;left:26px;right:26px;text-align:center;color:#627179;font-size:12px;z-index:2}
.product-intro h1{font-size:clamp(46px,6vw,76px);line-height:.96;letter-spacing:-.055em;margin:0 0 22px}.product-lead{font-size:18px;color:#4d5b63;max-width:700px}.product-lead p{margin:0}
.hero-specs{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:30px 0 24px}.hero-specs>div{padding:17px 18px;border:1px solid var(--line);border-radius:16px;background:#fff}.hero-specs small{display:block;color:var(--muted);font-size:10px;text-transform:uppercase;letter-spacing:.11em;font-weight:800;margin-bottom:7px}.hero-specs strong{display:block;font-size:15px}
.product-cta-row{display:flex;gap:12px;flex-wrap:wrap}.product-microcopy{max-width:690px;margin:18px 0 0;color:#7b888e;font-size:12px}
.product-info-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:70px;align-items:start}.product-info-grid h2,.testing-copy h2,.prose-shell h2{font-size:clamp(38px,5vw,58px);letter-spacing:-.05em;line-height:1;margin:0 0 18px}.spec-intro{color:var(--muted);font-size:17px;max-width:520px}.spec-table{border:1px solid var(--line);border-radius:24px;overflow:hidden;background:#fff}.spec-table>div{display:grid;grid-template-columns:190px 1fr;gap:24px;padding:18px 22px;border-bottom:1px solid var(--line)}.spec-table>div:last-child{border-bottom:0}.spec-table span{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.08em;font-weight:800}.spec-table strong{font-size:14px;overflow-wrap:anywhere}
.testing-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:stretch}.testing-copy>p{color:var(--muted);max-width:700px}.analysis-cards{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:28px}.analysis-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:19px}.analysis-card small{display:block;color:var(--muted);text-transform:uppercase;letter-spacing:.1em;font-size:10px;font-weight:800;margin-bottom:8px}.analysis-card strong{display:block;font-size:17px}
.coa-panel{background:var(--navy);color:#fff;border-radius:28px;padding:30px;box-shadow:0 24px 55px rgba(7,19,27,.16)}.coa-panel-top{display:flex;justify-content:space-between;gap:20px;color:#bcd0d2;font-size:11px;text-transform:uppercase;letter-spacing:.1em;font-weight:800}.status-dot{color:var(--accent)}.coa-panel h3{font-size:32px;letter-spacing:-.035em;margin:55px 0 10px}.coa-panel p{color:#bed0d4}.coa-panel .btn{margin-top:12px;background:#fff;color:var(--navy);border-color:#fff}.coa-note{margin-top:28px;border-top:1px solid rgba(255,255,255,.12);padding-top:18px;color:#89a5aa;font-size:11px}
.product-detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.detail-card{border:1px solid var(--line);border-radius:26px;padding:34px;background:#fff}.detail-card h3{font-size:29px;letter-spacing:-.035em;margin:6px 0 12px}.detail-card p{color:var(--muted);margin:0}.dark-card{background:var(--navy);color:#fff;border-color:var(--navy)}.dark-card p{color:#c1d1d4}.dark-card .eyebrow{color:var(--accent)}
.prose-shell{max-width:900px}.prose-content{font-size:16px;color:#44525a}.prose-content h3{margin-top:32px;font-size:27px}.product-final-cta p{max-width:720px;margin:0 auto 24px;color:#53646b}.product-final-cta .btn{margin-top:4px}
.single-product .woocommerce-breadcrumb,.single-product .woocommerce-notices-wrapper{width:min(var(--max),calc(100% - 40px));margin:18px auto 0}.single-product .woocommerce-breadcrumb{font-size:12px;color:var(--muted)}
@media(max-width:900px){.product-hero-grid,.product-info-grid,.testing-layout,.product-detail-grid{grid-template-columns:1fr}.product-hero-grid{gap:38px}.product-visual-shell{min-height:430px}.hero-specs{grid-template-columns:1fr}.analysis-cards{grid-template-columns:1fr}.spec-table>div{grid-template-columns:1fr;gap:5px}}
@media(max-width:600px){.product-hero{padding-top:42px}.product-visual-shell{min-height:360px}.product-intro h1{font-size:46px}.spec-table>div{padding:16px}.coa-panel,.detail-card{padding:24px}}
.narrow{max-width:860px}.research-grid{align-items:stretch}.research-card h3 a{color:inherit;text-decoration:none}.research-card h3 a:hover{text-decoration:underline}.text-link{font-weight:700;text-decoration:none;color:inherit}.research-notice{border:1px solid #d9dfdf;background:#f7f9f9;padding:18px 20px;margin:0 0 34px;border-radius:14px;line-height:1.55}.research-article{font-size:18px;line-height:1.75}.research-article h2{margin-top:42px}.internal-links{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #dde3e3;margin-top:46px;padding-top:24px}.internal-links a{font-weight:700;text-decoration:none}


/* Scientific research dossier */
.scientific-dossier-section{background:#f8fafb}
.dossier-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:30px 0}
.dossier-grid .detail-card{height:100%}
.dossier-label{display:block;text-transform:uppercase;letter-spacing:.08em;font-size:.72rem;font-weight:700;margin-bottom:10px;opacity:.7}
.warning-card{border-left:4px solid currentColor}
.evidence-panel,.reference-panel,.scientific-notice{margin-top:24px;padding:26px;border:1px solid rgba(15,23,42,.12);border-radius:18px;background:#fff}
.evidence-panel h3,.reference-panel h3{margin-top:0}
.evidence-grid{display:grid;gap:14px;margin-top:18px}
.evidence-row{display:grid;grid-template-columns:minmax(180px,1fr) auto;align-items:center;gap:18px;padding:10px 0;border-bottom:1px solid rgba(15,23,42,.08)}
.evidence-row:last-child{border-bottom:0}
.evidence-dots{display:flex;gap:7px}
.evidence-dots i{display:block;width:12px;height:12px;border-radius:50%;border:1px solid rgba(15,23,42,.35);background:transparent}
.evidence-dots i.is-on{background:currentColor}
.evidence-note{font-size:.88rem;opacity:.7;margin:16px 0 0}
.reference-panel ol{margin:14px 0 0;padding-left:22px}
.reference-panel li{margin:10px 0;line-height:1.5}
.reference-panel a{text-decoration:underline;text-underline-offset:3px}
.scientific-notice{background:#0f172a;color:#fff}
.scientific-notice p{margin:8px 0 0;color:rgba(255,255,255,.82)}
@media (max-width:780px){
  .dossier-grid{grid-template-columns:1fr}
  .evidence-row{grid-template-columns:1fr;gap:8px}
}

/* =========================
   V9 Premium UI / UX layer
   ========================= */
:root{--focus:#0d6efd;--surface:#fbfcfd;--surface-2:#f1f6f7;--ink-2:#20303a;--success:#19786f;--max-wide:1320px}
.screen-reader-text{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;left:16px;top:-100px;z-index:1000;background:#fff;color:var(--ink);padding:12px 16px;border-radius:10px;box-shadow:var(--shadow)}.skip-link:focus{top:16px}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(13,110,253,.35);outline-offset:3px}.topbar-inner{align-items:center}.topbar-dot{opacity:.35}.site-header{box-shadow:0 1px 0 rgba(7,19,27,.05)}.nav{min-height:78px}.nav-actions{display:flex;align-items:center;gap:10px}.nav-search{width:42px;height:42px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;background:#fff;transition:.2s}.nav-search:hover{background:var(--paper);border-color:#cad8de}.nav-search svg,.search-field svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.8}.menu-toggle{display:none;background:#fff;border:1px solid var(--line);width:44px;height:44px;border-radius:13px;padding:10px;cursor:pointer}.menu-toggle>span:not(.screen-reader-text){display:block;height:2px;background:var(--ink);margin:4px 0;border-radius:4px}.menu a{position:relative}.menu a:after{content:"";position:absolute;left:0;right:100%;bottom:-8px;height:2px;background:var(--accent-dark);transition:right .2s}.menu a:hover:after{right:0}

/* catalog */
.catalog-page{background:#fff}.catalog-hero{padding:74px 0 48px;background:radial-gradient(circle at 83% 8%,rgba(57,208,195,.2),transparent 28%),linear-gradient(180deg,#f6fbfb 0,#fff 100%)}.catalog-hero .wrap{width:min(var(--max-wide),calc(100% - 40px));display:grid;grid-template-columns:minmax(0,1fr) auto;gap:50px;align-items:end}.catalog-hero-copy{max-width:850px}.catalog-hero h1{font-size:clamp(48px,6vw,78px);line-height:.96;letter-spacing:-.06em;margin:0 0 22px}.catalog-hero h1 span{color:var(--accent-dark)}.catalog-hero p{font-size:18px;color:var(--muted);max-width:760px;margin:0}.catalog-metrics{display:grid;grid-template-columns:repeat(3,minmax(110px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:0 16px 40px rgba(7,19,27,.06)}.catalog-metrics div{background:#fff;padding:20px 22px;min-width:138px}.catalog-metrics strong{display:block;font-size:20px;letter-spacing:-.03em}.catalog-metrics span{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}.catalog-toolbar{position:sticky;top:78px;z-index:30;background:rgba(255,255,255,.96);backdrop-filter:blur(14px);border-top:1px solid rgba(223,231,235,.7);border-bottom:1px solid var(--line);padding:18px 0}.catalog-toolbar .wrap{width:min(var(--max-wide),calc(100% - 40px))}.catalog-search{display:flex;gap:10px;align-items:center;margin-bottom:14px}.search-field{position:relative;flex:1}.search-field svg{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:#74838b}.search-field input{width:100%;height:50px;border:1px solid var(--line);border-radius:14px;padding:0 16px 0 46px;font:inherit;background:#fff;transition:.2s}.search-field input:focus{border-color:#93bfc0;box-shadow:0 0 0 4px rgba(57,208,195,.10);outline:0}.catalog-search .btn{height:50px;border-radius:14px;padding-inline:24px}.clear-filter{font-size:13px;font-weight:700;color:var(--muted);padding:10px}.filter-scroll{display:flex;gap:8px;overflow:auto;scrollbar-width:none;padding-bottom:2px}.filter-scroll::-webkit-scrollbar{display:none}.filter-chip{white-space:nowrap;display:inline-flex;align-items:center;gap:7px;padding:9px 13px;border:1px solid var(--line);border-radius:999px;font-size:12px;font-weight:750;background:#fff;color:#42525b;transition:.18s}.filter-chip span{font-size:10px;color:#849198}.filter-chip:hover{border-color:#b9cccf;background:#f7fbfb}.filter-chip.is-active{background:var(--navy);border-color:var(--navy);color:#fff}.filter-chip.is-active span{color:#b5c8ca}.catalog-results{padding-top:50px}.catalog-results .wrap{width:min(var(--max-wide),calc(100% - 40px))}.results-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:26px}.results-head h2{font-size:36px}.results-head p{color:var(--muted);font-size:13px}.results-count{display:block;color:var(--accent-dark);font-size:11px;font-weight:850;letter-spacing:.12em;text-transform:uppercase;margin-bottom:7px}.catalog-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.catalog-card{border:1px solid var(--line);border-radius:22px;overflow:hidden;background:#fff;transition:transform .2s,box-shadow .2s,border-color .2s;min-width:0}.catalog-card:hover{transform:translateY(-3px);box-shadow:0 20px 50px rgba(7,19,27,.10);border-color:#c6dadd}.catalog-card-top{display:flex;justify-content:space-between;align-items:center;padding:15px 16px 0}.material-pill{font-size:10px;letter-spacing:.1em;text-transform:uppercase;font-weight:850;color:#56656d}.coa-check{font-size:10px;font-weight:800;color:var(--success);display:flex;align-items:center;gap:5px}.coa-check i{width:7px;height:7px;border-radius:50%;background:var(--accent)}.catalog-art{height:170px;margin:10px 16px 0;border-radius:16px;background:radial-gradient(circle at 50% 40%,rgba(57,208,195,.22),transparent 34%),linear-gradient(145deg,#f2f8f8,#fbfdfd);display:grid;place-items:center;position:relative;overflow:hidden}.catalog-art:before{content:"";width:74px;height:112px;border-radius:15px 15px 20px 20px;background:linear-gradient(180deg,#152934 0 17%,#fff 17% 100%);border:1px solid #d7e2e4;box-shadow:0 20px 35px rgba(7,19,27,.14);position:absolute}.catalog-art:after{content:"RESEARCH";position:absolute;font-size:7px;letter-spacing:.13em;font-weight:900;color:var(--accent-dark);transform:translateY(13px)}.catalog-art span{z-index:2;font-weight:900;font-size:15px;transform:translateY(-4px);color:#fff;letter-spacing:-.03em}.catalog-card-body{padding:20px}.catalog-card h3{font-size:25px;line-height:1.05;letter-spacing:-.035em;margin:0 0 6px}.catalog-strength{margin:0;color:var(--accent-dark);font-size:13px;font-weight:800}.catalog-target{color:var(--muted);font-size:13px;min-height:42px;margin:13px 0 15px}.catalog-evidence{display:flex;gap:8px;flex-wrap:wrap}.catalog-evidence span{font-size:10px;font-weight:800;background:var(--paper);border:1px solid var(--line);border-radius:999px;padding:6px 8px;color:#52616a}.catalog-card-footer{border-top:1px solid var(--line);margin-top:18px;padding-top:15px;display:flex;justify-content:space-between;align-items:center;font-size:12px;font-weight:850}.catalog-card-footer .arrow{font-size:18px;transition:transform .2s}.catalog-card:hover .arrow{transform:translateX(3px)}.catalog-pagination{display:flex;justify-content:center;gap:6px;margin-top:40px}.catalog-pagination .page-numbers{min-width:40px;height:40px;border:1px solid var(--line);border-radius:11px;display:inline-grid;place-items:center;padding:0 12px;font-size:12px;font-weight:800}.catalog-pagination .current{background:var(--navy);color:#fff;border-color:var(--navy)}.empty-state{text-align:center;border:1px solid var(--line);border-radius:24px;padding:60px 30px;background:var(--paper)}.empty-icon{font-size:42px;color:var(--accent-dark)}.empty-state h3{font-size:28px;margin:8px 0}.empty-state p{color:var(--muted);margin:0 0 20px}.catalog-disclaimer{font-size:11px;color:#849198;margin:34px 0 0}

/* richer single-product UX */
.prs-breadcrumb{font-size:12px;color:var(--muted);margin-bottom:18px}.prs-breadcrumb a:hover{color:var(--accent-dark)}.product-intro{position:sticky;top:120px;align-self:start}.product-cta-row .btn{min-height:48px}.product-microcopy{max-width:620px}.hero-specs{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff}.hero-specs>div{padding:15px 16px}.hero-specs small{font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:#7d8b92}.hero-specs strong{font-size:15px}.quick-nav{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}.quick-nav .wrap{display:flex;gap:24px;overflow:auto;padding-top:13px;padding-bottom:13px;scrollbar-width:none}.quick-nav a{white-space:nowrap;font-size:12px;font-weight:800;color:#586870}.quick-nav a:hover{color:var(--accent-dark)}.product-spec-section,.scientific-dossier-section{scroll-margin-top:150px}.coa-panel{box-shadow:0 20px 50px rgba(7,19,27,.08)}.detail-card,.analysis-card,.evidence-panel,.reference-panel{transition:box-shadow .2s}.detail-card:hover,.evidence-panel:hover,.reference-panel:hover{box-shadow:0 14px 34px rgba(7,19,27,.06)}

/* footer */
.footer{padding-top:0}.footer-callout{display:flex;justify-content:space-between;align-items:center;gap:30px;padding:34px 0;border-bottom:1px solid rgba(255,255,255,.13);margin-bottom:46px}.footer-callout .eyebrow{color:#6fe7dc;margin-bottom:8px}.footer-callout h3{font-size:32px;margin:0 0 5px;color:#fff;letter-spacing:-.035em}.footer-callout p{margin:0;max-width:640px}.footer-brand .brand{color:#fff}.legal{display:flex;justify-content:space-between;gap:30px;align-items:flex-start}.legal>div:first-child{max-width:900px}

/* responsive */
@media(max-width:1080px){.catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.catalog-hero .wrap{grid-template-columns:1fr}.catalog-metrics{max-width:650px}.product-intro{position:static}}
@media(max-width:860px){.topbar-dot,.topbar-inner span:nth-of-type(3),.topbar-inner span:nth-of-type(4),.topbar-inner span:nth-of-type(5){display:none}.menu-toggle{display:block;margin-left:auto}.menu{display:none;position:absolute;top:78px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:14px 20px 22px;box-shadow:0 24px 45px rgba(7,19,27,.09);flex-direction:column;align-items:stretch;gap:0}.menu a{padding:14px 0;border-bottom:1px solid var(--line);font-size:15px}.menu a:after{display:none}.menu-open .menu{display:flex}.nav-search{display:none}.nav-cta{display:none}.catalog-toolbar{top:78px}.footer-callout{align-items:flex-start;flex-direction:column}.legal{flex-direction:column}.hero-grid{grid-template-columns:1fr}.hero-panel{min-height:420px}}
@media(max-width:640px){.wrap,.catalog-results .wrap,.catalog-toolbar .wrap,.catalog-hero .wrap{width:min(100% - 28px,var(--max-wide))}.catalog-hero{padding:50px 0 34px}.catalog-hero h1{font-size:46px}.catalog-metrics{grid-template-columns:1fr 1fr 1fr}.catalog-metrics div{min-width:0;padding:14px 12px}.catalog-metrics strong{font-size:15px}.catalog-metrics span{font-size:8px}.catalog-search{align-items:stretch}.catalog-search .btn{padding:0 15px}.clear-filter{display:none}.catalog-grid{grid-template-columns:1fr}.catalog-art{height:150px}.results-head{align-items:flex-start;flex-direction:column}.results-head p{margin:0}.catalog-target{min-height:0}.footer-callout h3{font-size:27px}.nav{min-height:70px}.menu{top:70px}.catalog-toolbar{top:70px}.hero{padding-top:55px}.hero h1{font-size:52px}.hero-panel{padding:22px}.vial-stack{grid-template-columns:1fr 1fr}.vial{min-height:130px;padding:15px}}
.home-search{max-width:900px;margin:0 auto 16px}.home-category-row{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin:0 auto 32px}.home-category-row a{font-size:11px;font-weight:800;color:#52616a;border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 12px}.home-category-row a:hover{border-color:#b8cfd1;color:var(--accent-dark)}.home-product-grid{margin-top:28px}.home-discovery-footer{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-top:28px;color:var(--muted);font-size:12px}@media(max-width:640px){.home-search{flex-direction:column}.home-discovery-footer{align-items:flex-start;flex-direction:column}.home-product-grid .catalog-card:nth-child(n+5){display:none}}

/* ========================================================================
   V10 Editorial / enterprise navigation system
   Apple-like clarity + editorial hierarchy + enterprise discoverability
   ===================================================================== */
:root{--nav-height:76px;--mega-shadow:0 30px 80px rgba(7,19,27,.14)}
.site-header{overflow:visible}.nav{position:relative;min-height:var(--nav-height)}
.desktop-nav{display:flex;align-items:center;gap:2px;flex:1;justify-content:center;height:var(--nav-height)}
.nav-cluster{height:100%;display:flex;align-items:center;position:relative}.nav-trigger,.nav-direct{height:44px;display:inline-flex;align-items:center;gap:6px;padding:0 13px;border:0;background:transparent;color:#1c2a33;border-radius:10px;font-size:14px;font-weight:650;letter-spacing:-.01em;cursor:pointer;transition:background .18s,color .18s}.nav-trigger:hover,.nav-trigger[aria-expanded="true"],.nav-direct:hover{background:#f3f6f7;color:var(--navy)}.nav-trigger span{font-size:11px;transition:transform .18s}.nav-trigger[aria-expanded="true"] span{transform:rotate(180deg)}
.mega-panel{position:fixed;left:50%;top:calc(35px + var(--nav-height));width:min(1180px,calc(100vw - 48px));transform:translate(-50%,-8px);background:rgba(255,255,255,.985);border:1px solid rgba(210,221,226,.92);border-radius:0 0 26px 26px;box-shadow:var(--mega-shadow);padding:34px;display:grid;grid-template-columns:290px 1fr;gap:38px;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .16s ease,transform .16s ease;z-index:100}.nav-cluster.mega-open .mega-panel{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0)}
.mega-intro{padding-right:26px;border-right:1px solid var(--line)}.mega-kicker{display:block;color:var(--accent-dark);font-weight:800;text-transform:uppercase;letter-spacing:.12em;font-size:10px;margin-bottom:12px}.mega-intro h3{font-size:28px;letter-spacing:-.035em;line-height:1.05;margin:0 0 12px}.mega-intro p{font-size:14px;color:var(--muted);margin:0 0 20px}.mega-link-strong{font-size:13px;font-weight:800;color:var(--accent-dark)}
.mega-columns{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px}.mega-columns.two{grid-template-columns:repeat(2,minmax(0,1fr))}.mega-columns h4{font-size:11px;text-transform:uppercase;letter-spacing:.11em;color:#7a878f;margin:1px 0 12px}.mega-columns a{display:block;padding:7px 0;font-size:14px;font-weight:620;color:#16242d}.mega-columns a:hover{color:var(--accent-dark)}.compact-mega .mega-panel{width:620px;left:auto;right:calc((100vw - min(var(--max),calc(100vw - 40px)))/2 + 110px);transform:translateY(-8px);grid-template-columns:1fr}.compact-mega.mega-open .mega-panel{transform:translateY(0)}
.mobile-menu{display:none}.mobile-menu-inner{padding-top:18px;padding-bottom:28px}.mobile-search-link{display:flex;align-items:center;justify-content:space-between;border:1px solid var(--line);border-radius:14px;padding:14px 16px;font-weight:700;background:#f8fafb;margin-bottom:10px}.mobile-nav-group,.mobile-direct{border-bottom:1px solid var(--line)}.mobile-nav-trigger,.mobile-direct{width:100%;display:flex;align-items:center;justify-content:space-between;padding:18px 2px;border:0;background:none;font-size:18px;font-weight:760;text-align:left;color:var(--ink)}.mobile-nav-trigger span{font-size:22px;font-weight:400;transition:transform .18s}.mobile-nav-trigger[aria-expanded="true"] span{transform:rotate(45deg)}.mobile-subnav{display:none;padding:0 0 14px}.mobile-nav-group.is-open .mobile-subnav{display:grid}.mobile-subnav a{padding:10px 12px;border-radius:9px;color:#40505a;font-size:15px}.mobile-subnav a:hover{background:var(--paper);color:var(--ink)}.mobile-access{width:100%;margin-top:20px}.menu-toggle{order:4}
@media(min-width:861px){.nav-actions{margin-left:auto}.menu-toggle{display:none!important}}
@media(max-width:1060px) and (min-width:861px){.desktop-nav{gap:0}.nav-trigger,.nav-direct{padding:0 8px;font-size:13px}.nav-cta{padding:11px 14px;font-size:12px}.brand{font-size:14px}}
@media(max-width:860px){.desktop-nav{display:none}.nav-actions{margin-left:auto}.nav-search{display:grid!important}.nav-cta{display:none!important}.menu-toggle{display:block;margin-left:2px}.mobile-menu{position:absolute;top:100%;left:0;right:0;background:#fff;border-top:1px solid var(--line);box-shadow:0 26px 50px rgba(7,19,27,.12);max-height:calc(100vh - 110px);overflow:auto;overscroll-behavior:contain}.menu-open{overflow:hidden}.menu-open .mobile-menu{display:block}.site-header{backdrop-filter:blur(20px)}.topbar{display:none}.nav{min-height:68px}.brand-mark{width:34px;height:34px}.brand{max-width:58vw}.brand>span:last-child{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.nav-search{width:40px;height:40px}.menu-toggle{width:40px;height:40px}.mobile-menu-inner{width:min(100% - 24px,var(--max))}}
@media(max-width:520px){.nav-search{display:none!important}.brand{max-width:70vw}.mobile-nav-trigger,.mobile-direct{font-size:17px}.mobile-menu{max-height:calc(100vh - 68px)}}

/* ========================================================================
   V11 Legal + South Coast Peptides story pages
   ===================================================================== */
.legal-hero{padding:92px 0 58px;background:linear-gradient(180deg,#f7fafb 0%,#fff 100%);border-bottom:1px solid var(--line)}.legal-hero-dark{background:var(--navy);color:#fff;border-bottom:0}.legal-hero-dark .legal-lead,.legal-hero-dark .legal-meta{color:#b7c8cd}.legal-hero h1{font-size:clamp(54px,7vw,88px);line-height:.94;letter-spacing:-.06em;margin:10px 0 24px}.legal-lead{font-size:20px;line-height:1.6;color:#4e5d65;max-width:840px}.legal-meta{display:flex;flex-wrap:wrap;gap:12px 24px;margin-top:28px;font-size:11px;text-transform:uppercase;letter-spacing:.1em;font-weight:800;color:#7a878e}.legal-layout{display:grid;grid-template-columns:230px minmax(0,820px);gap:72px;align-items:start;justify-content:center}.legal-toc{position:sticky;top:118px;border-left:1px solid var(--line);padding-left:18px;display:grid;gap:4px}.legal-toc strong{font-size:11px;text-transform:uppercase;letter-spacing:.1em;margin-bottom:8px}.legal-toc a{font-size:12px;color:#637179;padding:5px 0}.legal-toc a:hover{color:var(--accent-dark)}.legal-copy{font-size:16px;line-height:1.75;color:#3b4a52}.legal-copy h2{scroll-margin-top:130px;font-size:30px;line-height:1.15;letter-spacing:-.035em;color:var(--ink);margin:52px 0 14px}.legal-copy h2:first-of-type{margin-top:38px}.legal-copy p{margin:0 0 18px}.legal-copy ul{padding-left:20px}.legal-copy li{margin:9px 0}.legal-callout,.legal-alert{border:1px solid var(--line);border-radius:20px;padding:24px 26px;background:#f7fafb;margin-bottom:32px}.legal-callout strong,.legal-alert strong{display:block;font-size:20px;letter-spacing:-.02em;color:var(--ink);margin-bottom:7px}.legal-callout p,.legal-alert p{margin:0}.legal-callout-dark{background:var(--navy);color:#c8d5d8;border-color:var(--navy)}.legal-callout-dark strong{color:#fff}.legal-alert{border-left:5px solid #a54a3a;background:#fff8f6}.contact-card{display:grid;gap:4px;border:1px solid var(--line);border-radius:16px;padding:20px;background:#fff;margin:16px 0}.contact-card span{color:var(--muted);font-size:13px}.contact-card a{font-weight:800;color:var(--accent-dark)}.legal-small{font-size:12px;color:#7c8990;margin-top:36px!important;padding-top:20px;border-top:1px solid var(--line)}
.about-hero{padding:88px 0 80px;overflow:hidden;background:linear-gradient(135deg,#fbfdfd 0%,#eef6f6 52%,#fff 100%)}.about-hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:70px;align-items:center}.about-copy h1{font-size:clamp(56px,7vw,94px);line-height:.91;letter-spacing:-.065em;margin:12px 0 28px;max-width:900px}.about-lead{font-size:20px;line-height:1.6;color:#526169;max-width:760px}.about-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.about-visual{min-height:540px;border-radius:34px;background:var(--navy);position:relative;overflow:hidden;box-shadow:0 28px 80px rgba(7,19,27,.16)}.coast-line{position:absolute;width:680px;height:680px;border:1px solid rgba(111,231,220,.5);border-radius:44% 56% 62% 38%/45% 38% 62% 55%;left:-220px;top:-80px;transform:rotate(24deg)}.coast-line:after{content:"";position:absolute;inset:65px;border:1px solid rgba(111,231,220,.22);border-radius:inherit}.about-stat-card{position:absolute;background:rgba(255,255,255,.96);border:1px solid rgba(255,255,255,.25);border-radius:20px;padding:20px 22px;box-shadow:0 20px 40px rgba(0,0,0,.12);min-width:170px}.about-stat-card strong{display:block;font-size:30px;letter-spacing:-.04em;color:var(--navy)}.about-stat-card span{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.08em;font-weight:800;color:#65757d;margin-top:5px}.stat-a{top:70px;right:34px}.stat-b{top:230px;left:38px}.stat-c{bottom:55px;right:54px}.story-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:86px}.story-grid h2,.experience-panel h2,.about-final h2{font-size:clamp(42px,5vw,64px);line-height:.98;letter-spacing:-.05em;margin:12px 0}.story-prose{font-size:19px;line-height:1.75;color:#425159}.story-prose p:first-child{font-size:23px;color:var(--ink)}.principle-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:38px}.principle-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:28px;min-height:280px}.principle-card>span{display:block;color:var(--accent-dark);font-weight:900;font-size:11px;letter-spacing:.1em}.principle-card h3{font-size:25px;letter-spacing:-.035em;margin:42px 0 12px}.principle-card p{color:var(--muted);margin:0;line-height:1.6}.experience-grid{display:grid;grid-template-columns:1fr 1fr;gap:76px;align-items:start}.experience-panel p{font-size:18px;line-height:1.7;color:#536169}.experience-list{border-top:1px solid var(--line)}.experience-list>div{display:grid;grid-template-columns:180px 1fr;gap:28px;padding:25px 0;border-bottom:1px solid var(--line)}.experience-list strong{font-size:15px}.experience-list span{color:var(--muted);line-height:1.55}.dark-section{background:var(--navy);color:#fff}.about-manifesto{text-align:center}.about-manifesto .eyebrow{color:var(--accent)}.about-manifesto blockquote{font-size:clamp(38px,5.5vw,70px);line-height:1.05;letter-spacing:-.05em;font-weight:800;margin:20px auto 28px;max-width:1000px}.about-manifesto p{font-size:18px;color:#bdced1;max-width:780px;margin:0 auto}.about-final{display:flex;align-items:center;justify-content:space-between;gap:50px}.about-final p{color:var(--muted)}
@media(max-width:980px){.legal-layout{grid-template-columns:1fr}.legal-toc{position:static;display:flex;overflow:auto;border-left:0;border-bottom:1px solid var(--line);padding:0 0 14px;gap:18px}.legal-toc strong{display:none}.legal-toc a{white-space:nowrap}.about-hero-grid,.story-grid,.experience-grid{grid-template-columns:1fr}.about-visual{min-height:430px}.principle-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.legal-hero{padding:54px 0 38px}.legal-hero h1{font-size:52px}.legal-lead{font-size:17px}.legal-copy h2{font-size:27px}.legal-callout,.legal-alert{padding:20px}.about-hero{padding:54px 0}.about-copy h1{font-size:52px}.about-lead{font-size:17px}.about-visual{min-height:360px}.about-stat-card{min-width:140px;padding:16px}.about-stat-card strong{font-size:25px}.stat-a{top:28px;right:20px}.stat-b{top:160px;left:20px}.stat-c{bottom:28px;right:20px}.story-prose{font-size:17px}.story-prose p:first-child{font-size:19px}.principle-grid{grid-template-columns:1fr}.principle-card{min-height:0}.experience-list>div{grid-template-columns:1fr;gap:6px}.about-final{align-items:flex-start;flex-direction:column}}

/* V12 South Coast Peptides brand logo */
.brand-logo{flex:0 0 auto;min-width:0;line-height:0}
.brand-logo .custom-logo-link{display:block;line-height:0}
.brand-logo .custom-logo,.scp-default-logo{display:block;width:auto;height:58px;max-width:230px;object-fit:contain}
@media(max-width:1060px){.brand-logo .custom-logo,.scp-default-logo{height:50px;max-width:198px}}
@media(max-width:860px){.brand-logo{max-width:62vw}.brand-logo .custom-logo,.scp-default-logo{height:47px;max-width:min(190px,58vw)}}
@media(max-width:520px){.brand-logo{max-width:66vw}.brand-logo .custom-logo,.scp-default-logo{height:43px;max-width:min(170px,64vw)}}

/* V13 SEO discovery + internal-linking UI */
.seo-related-section{border-top:1px solid rgba(9,39,61,.08)}
.seo-related-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:26px}
.seo-related-card{display:flex;min-height:132px;flex-direction:column;justify-content:space-between;padding:22px;border:1px solid rgba(9,39,61,.10);border-radius:18px;background:#fff;text-decoration:none;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.seo-related-card strong{color:#082a42;font-size:1.02rem;line-height:1.3}
.seo-related-card span{color:#197f92;font-weight:700;font-size:.88rem}
.seo-related-card:hover{transform:translateY(-2px);border-color:rgba(25,127,146,.30);box-shadow:0 12px 34px rgba(9,39,61,.08)}
@media(max-width:900px){.seo-related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:560px){.seo-related-grid{grid-template-columns:1fr}.seo-related-card{min-height:112px}}

/* V14 individualized product SEO / research focus */
.research-focus{margin:22px 0 4px;padding-top:2px}.research-focus>small{display:block;margin-bottom:9px;font-size:.73rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--muted,#667085)}.research-focus-chips{display:flex;flex-wrap:wrap;gap:8px}.research-focus-chips span{display:inline-flex;align-items:center;min-height:32px;padding:7px 11px;border:1px solid rgba(12,43,64,.12);border-radius:999px;background:rgba(255,255,255,.72);font-size:.82rem;line-height:1.2;color:var(--ink,#102a3a)}@media(max-width:640px){.research-focus-chips{gap:6px}.research-focus-chips span{font-size:.78rem;padding:7px 9px}}


/* V15 scientific literature panel */
.reference-panel{margin-top:32px;padding:28px;border:1px solid rgba(14,42,62,.12);border-radius:22px;background:#fff;box-shadow:0 14px 36px rgba(15,35,50,.06)}
.reference-panel h3{margin:0 0 8px}.reference-intro{max-width:850px;margin:0 0 20px;color:#53636f;line-height:1.65}
.reference-panel ol{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 18px;margin:0;padding:0;list-style:none;counter-reset:refs}
.reference-panel li{counter-increment:refs;margin:0}.reference-panel li a{display:flex;gap:12px;align-items:flex-start;height:100%;padding:15px 16px;border:1px solid rgba(14,42,62,.10);border-radius:14px;text-decoration:none;color:inherit;background:#fbfcfd;line-height:1.45;transition:.18s ease}
.reference-panel li a:before{content:counter(refs);display:grid;place-items:center;flex:0 0 28px;height:28px;border-radius:50%;background:#0c3349;color:#fff;font-size:12px;font-weight:700}
.reference-panel li a:hover{transform:translateY(-1px);border-color:rgba(13,132,144,.38);box-shadow:0 8px 22px rgba(15,35,50,.07)}
.reference-panel li a:after{content:'↗';margin-left:auto;color:#0d8490;font-weight:700}
@media(max-width:760px){.reference-panel{padding:20px}.reference-panel ol{grid-template-columns:1fr}}

/* V16 — Knowledge Center authority system */
.knowledge-hero{padding:clamp(72px,8vw,124px) 0 58px;background:linear-gradient(180deg,#f6fbfc 0%,#fff 100%);border-bottom:1px solid var(--line)}
.knowledge-hero-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(300px,.75fr);gap:64px;align-items:center}.knowledge-hero h1{font-size:clamp(48px,6.4vw,86px);line-height:.98;letter-spacing:-.055em;max-width:840px;margin:12px 0 24px}.knowledge-hero .lead{max-width:790px}.knowledge-stat-card{background:#081f2d;color:#fff;padding:34px;border-radius:26px;box-shadow:0 24px 60px rgba(8,31,45,.16)}.knowledge-stat-card span{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:#78ddd6;font-weight:800}.knowledge-stat-card strong{display:block;font-size:25px;line-height:1.15;margin:18px 0 12px}.knowledge-stat-card p{color:#bed0d8;margin:0}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.knowledge-main{padding-top:52px}.knowledge-paths{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.knowledge-path{display:block;padding:28px;border:1px solid var(--line);border-radius:22px;background:#fff;color:inherit;transition:.2s ease}.knowledge-path:hover{transform:translateY(-3px);box-shadow:0 18px 45px rgba(8,31,45,.08);border-color:#b9deda}.knowledge-path>span{font-size:12px;letter-spacing:.14em;font-weight:800;color:var(--accent)}.knowledge-path h2{font-size:23px;margin:26px 0 10px}.knowledge-path p{color:var(--muted);min-height:72px}.knowledge-path b{font-size:14px;color:var(--ink)}.authority-card h3{font-size:20px}.quality-authority-panel{display:grid;grid-template-columns:1fr 1fr;gap:48px;background:#f1f7f8;border:1px solid #dfecee;border-radius:28px;padding:clamp(30px,5vw,58px)}.quality-authority-panel h2{font-size:clamp(34px,4vw,54px);letter-spacing:-.04em}.authority-checks{display:grid;grid-template-columns:1fr 1fr;gap:12px}.authority-checks span{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 16px 16px 40px;position:relative;font-weight:700}.authority-checks span:before{content:'✓';position:absolute;left:15px;color:var(--accent);font-weight:900}.glossary-preview{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.glossary-preview a{padding:20px;border:1px solid var(--line);border-radius:16px;color:inherit;background:#fff}.glossary-preview strong{display:block;margin-bottom:8px}.glossary-preview span{display:block;font-size:13px;line-height:1.5;color:var(--muted)}.knowledge-final{text-align:left}.glossary-index{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.glossary-card{border:1px solid var(--line);border-radius:20px;padding:25px;background:#fff}.glossary-card h2{font-size:22px;margin-top:0}.glossary-card h2 a{color:inherit}.glossary-card p{color:var(--muted)}.scp-review-line{display:flex;flex-wrap:wrap;gap:10px 22px;padding:14px 0 22px;margin-bottom:28px;border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}.scp-review-line a{font-weight:700}.authority-resource-strip{margin-top:32px;border-top:1px solid var(--line);padding-top:24px;display:flex;flex-wrap:wrap;gap:12px}.authority-resource-strip a{display:inline-flex;padding:11px 14px;border:1px solid var(--line);border-radius:999px;background:#fff;font-size:13px;font-weight:700}.editorial-link-card{margin-top:28px;padding:20px 22px;background:#f6fafb;border:1px solid var(--line);border-radius:16px}.editorial-link-card p{margin:6px 0 0;color:var(--muted)}
@media(max-width:980px){.knowledge-hero-grid,.quality-authority-panel{grid-template-columns:1fr}.knowledge-paths{grid-template-columns:repeat(2,1fr)}.glossary-preview{grid-template-columns:repeat(2,1fr)}.glossary-index{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.knowledge-hero{padding-top:54px}.knowledge-hero-grid{gap:30px}.knowledge-paths,.glossary-preview,.glossary-index,.authority-checks{grid-template-columns:1fr}.knowledge-path p{min-height:0}.quality-authority-panel{padding:26px}.knowledge-stat-card{padding:26px}.scp-review-line{display:grid;gap:7px}}

/* V17 — intelligent search + research list + premium catalog actions */
.nav-search{cursor:pointer;background:none;border:0;padding:0}.global-search-shell{position:fixed;inset:0;z-index:10000;display:none}.global-search-shell.is-open{display:block}.global-search-backdrop{position:absolute;inset:0;background:rgba(5,21,31,.58);backdrop-filter:blur(12px)}.global-search-panel{position:relative;width:min(900px,calc(100% - 32px));margin:9vh auto 0;background:#fff;border-radius:28px;box-shadow:0 38px 100px rgba(4,22,31,.28);overflow:hidden}.global-search-head{display:flex;align-items:center;gap:16px;padding:22px 24px;border-bottom:1px solid var(--line)}.global-search-field{position:relative;flex:1}.global-search-field svg{position:absolute;left:0;top:50%;transform:translateY(-50%);width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:1.8;color:#53636f}.global-search-field input{width:100%;border:0;outline:0;padding:8px 8px 8px 36px;font-size:clamp(20px,3vw,28px);font-weight:700;letter-spacing:-.025em;background:transparent}.global-search-close{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;font-size:24px;cursor:pointer}.global-search-body{max-height:min(68vh,650px);overflow:auto;padding:12px 18px 22px}.search-state{padding:26px 12px;color:var(--muted)}.smart-search-result{display:grid;grid-template-columns:120px 1fr auto;gap:18px;align-items:center;padding:16px 12px;border-bottom:1px solid #eef2f3;text-decoration:none;color:inherit}.smart-search-result:hover{background:#f7fbfb}.smart-search-type{font-size:11px;text-transform:uppercase;letter-spacing:.09em;font-weight:800;color:var(--accent-dark)}.smart-search-copy strong{display:block;font-size:18px;margin-bottom:3px}.smart-search-copy span{display:block;color:var(--muted);font-size:13px;line-height:1.4}.smart-search-arrow{font-size:22px}.global-search-foot{display:flex;justify-content:space-between;gap:20px;padding:16px 24px;background:#f7fafb;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.research-list-trigger{position:relative;display:inline-flex;align-items:center;gap:8px;border:0;background:transparent;color:inherit;font-weight:700;cursor:pointer;padding:10px 4px}.research-list-trigger svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8}.research-list-count{display:grid;place-items:center;min-width:20px;height:20px;padding:0 5px;border-radius:999px;background:var(--accent);color:#052b31;font-size:11px;font-weight:900}.research-list-drawer{position:fixed;inset:0;z-index:9998;pointer-events:none}.research-list-drawer.is-open{pointer-events:auto}.research-list-drawer-backdrop{position:absolute;inset:0;background:rgba(5,21,31,.38);opacity:0;transition:.2s}.research-list-drawer.is-open .research-list-drawer-backdrop{opacity:1}.research-list-panel{position:absolute;right:0;top:0;height:100%;width:min(460px,100%);background:#fff;box-shadow:-24px 0 70px rgba(4,22,31,.18);transform:translateX(103%);transition:.28s ease;display:flex;flex-direction:column}.research-list-drawer.is-open .research-list-panel{transform:none}.research-list-head{display:flex;align-items:center;justify-content:space-between;padding:24px;border-bottom:1px solid var(--line)}.research-list-head h2{font-size:24px;margin:0}.research-list-close{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;font-size:24px;cursor:pointer}.research-list-items{flex:1;overflow:auto;padding:12px 24px}.research-list-empty{padding:40px 4px;text-align:center;color:var(--muted)}.research-list-item{display:grid;grid-template-columns:1fr auto;gap:12px;padding:18px 0;border-bottom:1px solid var(--line)}.research-list-item strong{display:block}.research-list-item small{display:block;margin-top:4px;color:var(--muted)}.research-list-remove{border:0;background:none;color:#8c4a4a;cursor:pointer;font-size:13px}.research-list-foot{padding:20px 24px;border-top:1px solid var(--line);background:#f8fbfb}.research-list-foot p{font-size:13px;color:var(--muted);margin:0 0 14px}.research-list-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}.research-list-add{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;border:1px solid #bfd9dc;background:#f2fbfb;color:#0a4050;border-radius:999px;padding:10px 16px;font-weight:800;cursor:pointer;transition:.18s}.research-list-add:hover{background:#e4f6f5;transform:translateY(-1px)}.research-list-add.is-added{background:#0b3448;color:#fff;border-color:#0b3448}.research-list-add .rl-plus{font-size:20px;line-height:1}
.catalog-card{position:relative;display:flex;flex-direction:column}.catalog-card-link{display:flex;flex-direction:column;flex:1;color:inherit;text-decoration:none}.catalog-card-actions{display:grid;grid-template-columns:1fr auto;gap:9px;padding:0 18px 18px}.catalog-card-actions .research-list-add{padding:9px 12px;font-size:13px;min-height:42px}.catalog-card-actions .quick-coa{display:grid;place-items:center;min-width:44px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:12px;font-weight:800;text-decoration:none}.product-cta-row{flex-wrap:wrap}.product-cta-row .research-list-add{min-height:48px}.mobile-action-bar{display:none}
.research-list-page .list-page-hero{padding:70px 0 34px;background:linear-gradient(180deg,#f4fafb,#fff)}.research-list-page-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(320px,.75fr);gap:44px}.research-list-page-items{border-top:1px solid var(--line)}.research-list-page-item{display:grid;grid-template-columns:1fr 110px 100px;gap:18px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line)}.research-list-page-item input{width:84px;padding:10px;border:1px solid var(--line);border-radius:10px}.quote-summary-card{position:sticky;top:110px;border:1px solid var(--line);border-radius:24px;padding:26px;background:#f7fbfb}.quote-summary-card textarea,.quote-summary-card input{width:100%;margin-top:8px;padding:12px;border:1px solid var(--line);border-radius:12px;background:#fff}.quote-summary-card label{display:block;margin:14px 0;font-size:13px;font-weight:700}.quote-summary-card .btn{width:100%;text-align:center;margin-top:8px}
@media(max-width:860px){.global-search-panel{margin-top:4vh;border-radius:22px}.smart-search-result{grid-template-columns:1fr auto}.smart-search-type{grid-column:1/-1}.global-search-foot{display:none}.research-list-page-grid{grid-template-columns:1fr}.quote-summary-card{position:static}.mobile-action-bar{position:fixed;left:12px;right:12px;bottom:12px;z-index:700;display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:8px;border:1px solid rgba(9,39,61,.12);border-radius:18px;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);box-shadow:0 16px 50px rgba(7,30,43,.18)}.mobile-action-bar .btn,.mobile-action-bar .research-list-add{min-height:46px;padding:8px 10px;font-size:13px}.prs-single-product{padding-bottom:80px}}
@media(max-width:560px){.global-search-panel{width:calc(100% - 16px);margin-top:8px}.global-search-head{padding:16px}.global-search-body{padding:8px 12px 16px}.research-list-panel{width:100%}.catalog-card-actions{grid-template-columns:1fr 44px}.research-list-page-item{grid-template-columns:1fr 80px}.research-list-page-item .remove-col{grid-column:1/-1}.research-list-actions{grid-template-columns:1fr}}

/* V18 — AI/answer-engine friendly research summaries */
.ai-answer-section{padding-top:42px;padding-bottom:42px;background:linear-gradient(180deg,#f7fbfc 0%,#fff 100%);border-bottom:1px solid rgba(15,34,48,.08)}
.ai-answer-shell{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);gap:40px;align-items:start}
.ai-answer-copy h2{margin:.35rem 0 .8rem;font-size:clamp(1.8rem,3vw,2.65rem);letter-spacing:-.035em}
.ai-answer-lead{font-size:1.08rem;line-height:1.72;max-width:760px;color:#243846}
.ai-answer-note{font-size:.88rem;color:#667985;margin-top:16px}
.ai-fact-grid{display:grid;grid-template-columns:1fr 1fr;border:1px solid rgba(13,43,60,.1);border-radius:22px;overflow:hidden;background:#fff;box-shadow:0 16px 40px rgba(19,47,65,.06)}
.ai-fact-grid>div{padding:20px;border-right:1px solid rgba(13,43,60,.08);border-bottom:1px solid rgba(13,43,60,.08)}
.ai-fact-grid>div:nth-child(2n){border-right:0}.ai-fact-grid>div:nth-last-child(-n+2){border-bottom:0}
.ai-fact-grid small{display:block;text-transform:uppercase;letter-spacing:.09em;font-size:.69rem;color:#6f828d;font-weight:700;margin-bottom:8px}
.ai-fact-grid strong{display:block;font-size:.9rem;line-height:1.5;color:#102e40}
@media(max-width:900px){.ai-answer-shell{grid-template-columns:1fr}.ai-fact-grid{grid-template-columns:1fr}.ai-fact-grid>div{border-right:0!important;border-bottom:1px solid rgba(13,43,60,.08)!important}.ai-fact-grid>div:last-child{border-bottom:0!important}}

/* V19 — research-area authority hubs */
.area-hero{padding:clamp(70px,8vw,120px) 0 58px;background:radial-gradient(circle at 85% 10%,rgba(37,180,177,.12),transparent 32%),linear-gradient(180deg,#f5fafb 0%,#fff 100%);border-bottom:1px solid var(--line)}
.area-hero-grid{display:grid;grid-template-columns:minmax(0,1.28fr) minmax(300px,.72fr);gap:60px;align-items:center}.area-hero h1{font-size:clamp(46px,6vw,82px);line-height:.99;letter-spacing:-.052em;margin:12px 0 22px}.area-hero .lead{max-width:820px;font-size:clamp(18px,2vw,22px);line-height:1.55;color:var(--muted)}
.area-hero-card{padding:32px;border-radius:26px;background:#082536;color:#fff;box-shadow:0 24px 60px rgba(8,31,45,.16)}.area-hero-card span{font-size:11px;letter-spacing:.15em;font-weight:800;color:#7be0d8}.area-hero-card strong{display:block;margin:17px 0 12px;font-size:26px;line-height:1.15}.area-hero-card p{margin:0;color:#bfd2da;line-height:1.6}
.area-main{padding-top:50px}.area-answer{max-width:920px;padding:38px 0 12px}.area-answer h2{font-size:clamp(32px,4vw,52px);letter-spacing:-.04em;margin:10px 0 16px}.area-answer p{font-size:18px;line-height:1.75;color:#405562}
.area-principle{padding:26px}.area-principle h3{font-size:20px}.area-principle p{color:var(--muted);line-height:1.65}.area-product-card{display:flex;flex-direction:column;min-height:250px}.area-product-card h3{font-size:22px;margin:12px 0}.area-product-card p{color:var(--muted);line-height:1.55;flex:1}.area-card-actions{margin-top:18px}.area-documentation{padding-top:20px}
@media(max-width:900px){.area-hero-grid{grid-template-columns:1fr;gap:30px}.area-hero-card{max-width:680px}}

/* V21 simplified navigation */
.desktop-nav{gap:28px}
.compact-science-menu{position:relative}
.simple-mega{width:min(620px,calc(100vw - 48px));left:50%;transform:translateX(-42%);padding:18px}
.simple-menu-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.simple-menu-grid a{display:flex;flex-direction:column;gap:3px;padding:14px 15px;border-radius:12px;text-decoration:none}
.simple-menu-grid a:hover,.simple-menu-grid a:focus-visible{background:rgba(15,118,110,.07)}
.simple-menu-grid strong{font-size:15px;color:var(--ink,#0b2239)}
.simple-menu-grid span{font-size:12px;line-height:1.35;color:var(--muted,#667085)}
.doc-list a.doc-item{text-decoration:none;color:inherit}
.doc-list a.doc-item:hover{transform:translateX(3px)}
@media(max-width:860px){.simple-mega{width:auto;left:auto;transform:none}.desktop-nav{display:none}.simple-menu-grid{grid-template-columns:1fr}}
\n\n/* ========================================================================\n   V22 navigation interaction fix\n   Keep the Science dropdown physically attached to its trigger and fully\n   clickable.  This intentionally overrides the earlier fixed mega-panel.\n   ===================================================================== */\n@media (min-width:861px){\n  .site-header,.nav,.desktop-nav,.nav-cluster{overflow:visible!important}\n  .compact-science-menu{position:relative!important}\n  .compact-science-menu .mega-panel.simple-mega{\n    position:absolute!important;\n    top:100%!important;\n    left:50%!important;\n    right:auto!important;\n    width:min(620px,calc(100vw - 32px))!important;\n    transform:translate(-50%,-6px)!important;\n    margin:0!important;\n    z-index:9999!important;\n    border-radius:18px!important;\n    opacity:0;\n    visibility:hidden;\n    pointer-events:none!important;\n  }\n  .compact-science-menu.mega-open .mega-panel.simple-mega{\n    transform:translate(-50%,0)!important;\n    opacity:1!important;\n    visibility:visible!important;\n    pointer-events:auto!important;\n  }\n  .compact-science-menu .mega-panel.simple-mega a{\n    position:relative;\n    z-index:10000;\n    pointer-events:auto!important;\n    cursor:pointer;\n  }\n  /* Invisible bridge eliminates any sub-pixel gap between header and panel. */\n  .compact-science-menu .mega-panel.simple-mega:before{\n    content:\"\";\n    position:absolute;\n    left:0;right:0;top:-10px;height:10px;\n  }\n}\n