/*
Theme Name: WorldHealthBio
Theme URI: https://example.com/
Author: WorldHealthBio
Description: Premium scientific catalogue and WooCommerce storefront.
Version: 2.0.0
Requires at least: 6.5
Requires PHP: 8.1
License: GPL-2.0-or-later
Text Domain: worldhealthbio
*/
:root{--bg:#0a0b0c;--surface:#101214;--surface2:#15181a;--text:#f3f4ef;--muted:#92989a;--line:#272c2e;--accent:#c8e86b;--accent2:#edf5d5;--ink:#0a0b0c;--max:1480px;--serif:"Iowan Old Style","Baskerville",Georgia,serif;--sans:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
:root.light{--bg:#f5f5f1;--surface:#fff;--surface2:#eceee9;--text:#101214;--muted:#666d6f;--line:#d9ddda;--accent:#6e8f22;--accent2:#213000;--ink:#fff}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:15px;line-height:1.55}body.is-locked{overflow:hidden}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;height:auto}button,input,select,textarea{font:inherit}.container{width:min(calc(100% - 48px),var(--max));margin:auto}
.site-header{position:sticky;top:0;z-index:80;background:color-mix(in srgb,var(--bg) 86%,transparent);backdrop-filter:blur(18px);border-bottom:1px solid color-mix(in srgb,var(--line) 80%,transparent)}.header-inner{height:76px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:11px;font-size:20px;font-weight:800;letter-spacing:-.055em;white-space:nowrap}.brand-mark{width:15px;height:15px;border:1px solid var(--accent);transform:rotate(45deg)}.primary-nav{display:flex;gap:24px;margin-left:auto;font-size:11px;text-transform:uppercase;letter-spacing:.13em}.primary-nav a{color:var(--muted);transition:color .2s}.primary-nav a:hover{color:var(--text)}.header-actions{display:flex;align-items:center;gap:8px}.icon-btn,.menu-toggle,.theme-toggle{height:40px;border:1px solid var(--line);background:transparent;color:var(--text);padding:0 12px;display:grid;place-items:center;cursor:pointer}.menu-toggle{display:none}.theme-toggle{width:40px;padding:0}.cart-count{color:var(--accent);margin-left:3px}
.hero{position:relative;overflow:hidden;padding:110px 0 100px;border-bottom:1px solid var(--line)}.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:70px;align-items:end;position:relative;z-index:2}.eyebrow{font-size:10px;text-transform:uppercase;letter-spacing:.19em;color:var(--accent);font-weight:750}.eyebrow:before{content:"";display:inline-block;width:24px;height:1px;background:var(--accent);vertical-align:middle;margin-right:10px}.hero h1{font-size:clamp(55px,8.2vw,132px);line-height:.87;letter-spacing:-.078em;margin:20px 0 28px;max-width:1100px}.hero h1 em{font-family:var(--serif);font-weight:400}.hero-copy{max-width:650px;color:var(--muted);font-size:18px}.hero-actions{display:flex;gap:10px;margin-top:30px}.hero-note{border-left:1px solid var(--line);padding-left:28px;color:var(--muted);font-size:12px}.hero-note strong{display:block;color:var(--text);font-size:10px;letter-spacing:.15em;margin-bottom:10px}.hero-orbit{position:absolute;width:55vw;height:55vw;max-width:800px;max-height:800px;right:-19vw;top:-18vw;border:1px solid rgba(200,232,107,.09);border-radius:50%;animation:spin 32s linear infinite}.hero-orbit:after{content:"";position:absolute;width:10px;height:10px;background:var(--accent);border-radius:50%;left:17%;top:11%;box-shadow:0 0 28px var(--accent)}@keyframes spin{to{transform:rotate(360deg)}}.hero-orbit.paused{animation-play-state:paused}
.button{min-height:46px;display:inline-flex;align-items:center;justify-content:center;padding:0 18px;border:1px solid var(--text);background:var(--text);color:var(--bg);font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.13em;cursor:pointer;transition:.22s ease}.button:hover{background:var(--accent);border-color:var(--accent);transform:translateY(-1px)}.button.ghost{background:transparent;color:var(--text);border-color:var(--line)}.button.ghost:hover{border-color:var(--text)}
.ticker{border-bottom:1px solid var(--line);overflow:hidden;white-space:nowrap}.ticker-track{display:inline-flex;gap:70px;padding:17px 0;animation:ticker 28s linear infinite;font-size:9px;text-transform:uppercase;letter-spacing:.2em;color:var(--muted)}.ticker-track b{color:var(--accent)}@keyframes ticker{to{transform:translateX(-50%)}}
.section{padding:92px 0;border-bottom:1px solid var(--line)}.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:34px}.section-title{font-size:clamp(34px,4.5vw,64px);line-height:.95;letter-spacing:-.06em;margin:0}.section-desc{max-width:560px;color:var(--muted);font-size:13px}
.catalog-toolbar{display:grid;grid-template-columns:1fr auto;gap:12px;margin-bottom:22px}.search-wrap{position:relative}.catalog-search{width:100%;height:48px;background:var(--surface);border:1px solid var(--line);color:var(--text);padding:0 16px 0 42px;outline:none}.catalog-search:focus{border-color:var(--accent)}.search-icon{position:absolute;left:15px;top:15px;color:var(--muted)}.filters{display:flex;gap:8px;flex-wrap:wrap}.filter-btn{height:48px;padding:0 15px;border:1px solid var(--line);background:var(--surface);color:var(--muted);cursor:pointer;text-transform:uppercase;letter-spacing:.1em;font-size:9px}.filter-btn.active,.filter-btn:hover{border-color:var(--accent);color:var(--text)}
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.product-card{background:var(--surface);border:1px solid var(--line);overflow:hidden;transition:.25s ease;position:relative}.product-card:hover{border-color:#4b5153;transform:translateY(-2px)}.product-media{aspect-ratio:1/1;background:var(--surface2);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}.product-media img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease,opacity .2s}.product-card:hover .product-media img{transform:scale(1.025)}.product-media .image-dark{display:none}.product-media.has-dark .image-light{display:block}.product-media.has-dark .image-dark{display:none}.product-info{padding:17px}.product-meta{display:flex;justify-content:space-between;gap:8px;color:#777d7f;font-size:9px;text-transform:uppercase;letter-spacing:.13em}.product-title{font-size:19px;letter-spacing:-.035em;margin:9px 0 12px;font-weight:650}.price{font-size:13px;font-weight:750}.product-actions{display:flex;gap:7px;margin-top:15px}.product-actions .button{flex:1;min-width:0;padding:0 8px}.quick-view{background:transparent;color:var(--text);border:1px solid var(--line);min-height:46px;padding:0 12px;cursor:pointer;font-size:10px;text-transform:uppercase;letter-spacing:.11em}.quick-view:hover{border-color:var(--accent)}
.science-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}.science-card{background:var(--bg);padding:30px;min-height:230px}.science-number{color:#666;font-size:10px;letter-spacing:.14em}.science-card h3{font-size:25px;letter-spacing:-.045em;margin:55px 0 10px}.science-card p{color:var(--muted);font-size:13px;margin:0}
.ruo-band{background:var(--accent);color:var(--ink);padding:22px 0}.ruo-inner{display:flex;justify-content:space-between;gap:35px;align-items:center}.ruo-inner strong{font-size:11px;text-transform:uppercase;letter-spacing:.15em}.ruo-inner span{font-size:12px;max-width:930px}
.site-footer{padding:68px 0 30px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:45px;padding-bottom:50px;border-bottom:1px solid var(--line)}.footer-brand{font-size:23px;font-weight:800;letter-spacing:-.05em}.footer-title{font-size:9px;color:#777;text-transform:uppercase;letter-spacing:.15em}.footer-links{list-style:none;margin:13px 0 0;padding:0;display:grid;gap:7px;color:var(--muted);font-size:12px}.footer-bottom{display:flex;justify-content:space-between;padding-top:19px;color:#666;font-size:9px;letter-spacing:.12em;text-transform:uppercase}
.page-header{padding:70px 0 40px;border-bottom:1px solid var(--line)}.page-header h1{font-size:clamp(48px,7vw,94px);line-height:.88;letter-spacing:-.07em;margin:14px 0}.breadcrumbs{color:#707678;font-size:9px;text-transform:uppercase;letter-spacing:.13em;margin-bottom:18px}
.single-product-wrap{padding:70px 0}.single-product-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px}.product-gallery{position:relative}.product-gallery-main{aspect-ratio:1/1;background:var(--surface);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;overflow:hidden}.product-gallery-main img{width:100%;height:100%;object-fit:cover}.product-gallery-main .image-dark{display:none}.gallery-switch{position:absolute;right:15px;top:15px;z-index:2}.product-summary .product-kicker{font-size:9px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent)}.product-summary h1{font-size:clamp(45px,6vw,82px);line-height:.87;letter-spacing:-.07em;margin:14px 0 22px}.product-summary .price{font-size:20px}.product-summary .short-description{color:var(--muted);margin:24px 0;max-width:600px}.notice-box{border:1px solid var(--line);background:var(--surface);padding:20px;color:var(--muted);font-size:12px}.notice-box strong{display:block;color:var(--accent);font-size:9px;letter-spacing:.15em;text-transform:uppercase;margin-bottom:8px}.product-specs{margin-top:30px}.spec-table{width:100%;border-collapse:collapse}.spec-table td{padding:12px 0;border-bottom:1px solid var(--line);font-size:12px}.spec-table td:first-child{width:42%;color:#777;text-transform:uppercase;letter-spacing:.1em;font-size:9px}.product-tabs{margin-top:70px;border-top:1px solid var(--line);padding-top:36px}.tab-nav{display:flex;gap:24px;border-bottom:1px solid var(--line);margin-bottom:30px}.tab-nav button{background:none;border:0;color:#777;padding:0 0 13px;cursor:pointer;text-transform:uppercase;font-size:9px;letter-spacing:.14em;border-bottom:1px solid transparent}.tab-nav button.active{color:var(--text);border-color:var(--accent)}.tab-panel{display:none;max-width:850px;color:var(--muted);font-size:13px}.tab-panel.active{display:block}.coa-link{display:inline-flex;margin-top:15px}.reference-list{display:grid;gap:12px}.reference{border-bottom:1px solid var(--line);padding-bottom:12px}.reference small{color:#777}
.quick-modal{position:fixed;inset:0;background:rgba(0,0,0,.72);backdrop-filter:blur(10px);z-index:200;display:none;align-items:center;justify-content:center;padding:20px}.quick-modal.open{display:flex}.quick-panel{width:min(980px,100%);max-height:90vh;overflow:auto;background:var(--surface);border:1px solid var(--line);position:relative}.quick-close{position:absolute;right:12px;top:12px;width:40px;height:40px;background:var(--bg);color:var(--text);border:1px solid var(--line);cursor:pointer}.quick-content{display:grid;grid-template-columns:1fr 1fr}.quick-image{background:var(--surface2);min-height:450px}.quick-image img{width:100%;height:100%;object-fit:cover}.quick-copy{padding:38px}.quick-copy h2{font-size:45px;line-height:.9;letter-spacing:-.06em;margin:12px 0}.quick-copy p{color:var(--muted);font-size:13px}.quick-specs{margin:25px 0}.quick-specs div{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding:10px 0;font-size:11px}.quick-loading{padding:70px;text-align:center;color:var(--muted)}
.cart-layout,.checkout-layout{padding:65px 0 100px}.cart-layout h1,.checkout-layout h1{font-size:clamp(46px,6vw,82px);letter-spacing:-.07em;line-height:.88;margin:0 0 38px}.custom-cart{display:grid;grid-template-columns:1.5fr .7fr;gap:45px}.cart-table{width:100%;border-collapse:collapse}.cart-table th,.cart-table td{padding:15px 0;border-bottom:1px solid var(--line);text-align:left;font-size:12px}.cart-table th{color:#777;font-size:9px;text-transform:uppercase;letter-spacing:.13em}.cart-item{display:flex;gap:15px;align-items:center}.cart-thumb{width:72px;height:72px;background:var(--surface2);object-fit:cover}.cart-remove{color:#777;font-size:10px}.cart-summary{background:var(--surface);border:1px solid var(--line);padding:24px;height:max-content}.summary-row{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--line);font-size:12px}.summary-total{font-size:18px;font-weight:750}.checkout-columns{display:grid;grid-template-columns:1.2fr .8fr;gap:45px}.checkout-card{background:var(--surface);border:1px solid var(--line);padding:24px}.checkout-card h2{font-size:22px;letter-spacing:-.04em}.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.field{margin-bottom:14px}.field.full{grid-column:1/-1}.field label{display:block;color:#777;font-size:9px;text-transform:uppercase;letter-spacing:.12em;margin-bottom:6px}.field input,.field textarea,.field select{width:100%;background:var(--bg);border:1px solid var(--line);color:var(--text);padding:12px;outline:none}.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--accent)}.checkout-order-line{display:flex;justify-content:space-between;gap:15px;padding:10px 0;border-bottom:1px solid var(--line);font-size:12px}
.legal-grid{display:grid;grid-template-columns:220px 1fr;gap:55px}.legal-nav{position:sticky;top:105px;height:max-content;display:grid;gap:7px}.legal-nav a{color:#777;font-size:10px;text-transform:uppercase;letter-spacing:.12em}.legal-nav a:hover{color:var(--text)}.legal-content{max-width:900px}.legal-content h2{font-size:30px;letter-spacing:-.04em;margin-top:45px}.legal-content p,.legal-content li{color:var(--muted);font-size:13px}
.spinner{width:22px;height:22px;border:2px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite;margin:auto}.catalog-empty{text-align:center;padding:80px;color:var(--muted);grid-column:1/-1}
@media(max-width:1050px){.product-grid{grid-template-columns:repeat(3,1fr)}.hero-grid{grid-template-columns:1fr}.hero-note{max-width:550px}.custom-cart,.checkout-columns{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.legal-grid{grid-template-columns:1fr}.legal-nav{position:static;display:flex;flex-wrap:wrap}}
@media(max-width:760px){.container{width:min(calc(100% - 28px),var(--max))}.header-inner{height:68px}.primary-nav{display:none}.menu-toggle{display:grid}.hero{padding:78px 0 65px}.hero h1{font-size:clamp(51px,16vw,84px)}.hero-orbit{width:110vw;height:110vw;right:-55vw;top:15vw}.product-grid{grid-template-columns:repeat(2,1fr)}.catalog-toolbar{grid-template-columns:1fr}.filters{overflow:auto;flex-wrap:nowrap}.filter-btn{white-space:nowrap}.science-grid{grid-template-columns:1fr}.single-product-grid,.quick-content{grid-template-columns:1fr}.product-summary{padding-top:30px}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:7px}.field-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.cart-table th:nth-child(2),.cart-table td:nth-child(2){display:none}}
@media(max-width:480px){.product-grid{grid-template-columns:1fr}.product-actions{display:grid;grid-template-columns:1fr 1fr}.header-actions .theme-toggle{display:none}.quick-copy{padding:25px}.quick-image{min-height:300px}}

.whb-contact-placeholder{color:var(--accent)}
.legal-content ul{padding-left:20px}
.legal-content strong{color:var(--text)}
.legal-content a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}