@import url('https://fonts.googleapis.com/css2?family=Barlow:wght@400;500;600;700;800;900&family=Barlow+Condensed:wght@600;700;800&family=Source+Serif+4:ital,wght@0,400;0,600;1,400&display=swap');
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--ghs-red:#c8102e;--ghs-red-hover:#a00d24;--ghs-red-light:rgba(200,16,46,0.08);--ghs-red-border:rgba(200,16,46,0.2);--ghs-orange:#e87722;--ghs-orange-light:rgba(232,119,34,0.08);--ghs-amber:#f2a900;--ghs-amber-light:rgba(242,169,0,0.08);--ghs-blue:#0072ce;--ghs-blue-light:rgba(0,114,206,0.07);--ghs-green:#228848;--ghs-green-light:rgba(34,136,72,0.08);--white:#ffffff;--bg:#f8f7f5;--bg-warm:#f3f1ed;--card:#ffffff;--border:#e2dfd9;--border-light:#eceae5;--text-primary:#1a1a1a;--text-body:#3d3d3d;--text-secondary:#6b6b6b;--text-muted:#999999;--font-display:'Barlow Condensed',sans-serif;--font-body:'Barlow',sans-serif;--font-serif:'Source Serif 4',serif;--max-width:1200px;--content-width:800px}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);background:var(--bg);color:var(--text-body);line-height:1.7;font-size:17px;-webkit-font-smoothing:antialiased}
a{color:var(--ghs-red);text-decoration:none;transition:color 0.2s}a:hover{color:var(--ghs-red-hover)}
img{max-width:100%;height:auto}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,0.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.header-inner{max-width:var(--max-width);margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:64px}
.site-logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text-primary)}
.logo-placard{width:42px;height:42px;position:relative;flex-shrink:0}
.logo-placard svg{width:100%;height:100%}
.logo-text{font-family:var(--font-display);font-size:26px;font-weight:800;letter-spacing:0.5px;text-transform:uppercase;color:var(--text-primary)}
.logo-text em{color:var(--ghs-red);font-style:normal}
/* Ad slots */
.ad-slot{background:var(--bg-warm);border:1px dashed var(--border);border-radius:8px;text-align:center;overflow:hidden;margin:0 auto;position:relative}
.ad-slot-leaderboard{max-width:728px;min-height:90px;margin:12px auto}
.ad-slot-banner{max-width:var(--max-width);min-height:100px;margin:0 auto;padding:0 24px}
.ad-slot-banner .ad-slot-inner{background:var(--bg-warm);border:1px dashed var(--border);border-radius:8px;min-height:100px;display:flex;align-items:center;justify-content:center}
.ad-slot-rectangle{max-width:336px;min-height:280px}
.ad-slot-infeed{max-width:var(--max-width);min-height:120px;margin:0 auto;padding:0 24px}
.ad-slot-infeed .ad-slot-inner{background:var(--bg-warm);border:1px dashed var(--border);border-radius:8px;min-height:120px;display:flex;align-items:center;justify-content:center}
.ad-slot-inarticle{max-width:var(--content-width);min-height:250px;margin:28px auto}
.ad-slot-sidebar{min-height:250px;margin-bottom:16px}
.ad-label{font-size:10px;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;padding:4px 0}
/* Sticky sidebar ad - desktop only, 300px max, follows scroll */
.ad-sticky-sidebar{position:sticky;top:88px;width:300px;min-height:250px;margin-bottom:16px;background:var(--bg-warm);border:1px dashed var(--border);border-radius:8px;text-align:center}
/* Sticky footer anchor ad - mobile primary, dismissible */
.ad-anchor-footer{position:fixed;bottom:0;left:0;right:0;z-index:90;background:var(--white);border-top:1px solid var(--border);box-shadow:0 -2px 12px rgba(0,0,0,0.08);text-align:center;padding:6px 0;display:none}
.ad-anchor-footer .ad-close{position:absolute;top:-28px;right:12px;background:var(--white);border:1px solid var(--border);border-radius:50%;width:26px;height:26px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:14px;color:var(--text-muted);box-shadow:0 1px 4px rgba(0,0,0,0.1)}
.ad-anchor-footer .ad-close:hover{color:var(--text-primary)}
.ad-anchor-footer.visible{display:block}
/* Side rail ads - ultra-wide screens only (>1440px), flanking content */
.ad-rail{position:fixed;top:50%;transform:translateY(-50%);z-index:50;width:160px;min-height:600px;background:var(--bg-warm);border:1px dashed var(--border);border-radius:8px;text-align:center;display:none}
.ad-rail-left{left:12px}
.ad-rail-right{right:12px}
@media(min-width:1500px){.ad-rail{display:block}}
@media(max-width:768px){.ad-anchor-footer.visible{display:block}.ad-sticky-sidebar{display:none}.ad-slot-leaderboard{max-width:320px;min-height:50px}}
nav{display:flex;gap:4px;align-items:center}
nav a{color:var(--text-secondary);font-size:15px;font-weight:600;padding:8px 14px;border-radius:6px;transition:all 0.2s}
nav a:hover{color:var(--text-primary);background:var(--bg)}nav a.active{color:var(--ghs-red)}
.mobile-toggle{display:none;background:none;border:none;color:var(--text-primary);font-size:24px;cursor:pointer;padding:8px}
.hero{padding:80px 24px 60px;text-align:center;background:var(--white);border-bottom:1px solid var(--border);position:relative}
.hero::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:60px;height:4px;background:var(--ghs-red);border-radius:2px}
.hero-content{position:relative;max-width:780px;margin:0 auto}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:var(--ghs-red-light);border:1px solid var(--ghs-red-border);color:var(--ghs-red);font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;padding:6px 16px;border-radius:100px;margin-bottom:24px}
.hero h1{font-family:var(--font-display);font-size:clamp(38px,5.5vw,64px);font-weight:800;line-height:1.08;color:var(--text-primary);text-transform:uppercase;margin-bottom:18px}
.hero h1 .accent{color:var(--ghs-red)}
.hero-sub{font-family:var(--font-serif);font-size:20px;color:var(--text-secondary);max-width:560px;margin:0 auto 36px;line-height:1.6}
.hero-cta{display:inline-flex;align-items:center;gap:8px;background:var(--ghs-red);color:var(--white);font-weight:700;font-size:15px;padding:13px 28px;border-radius:6px;border:none;cursor:pointer;transition:all 0.2s;text-decoration:none}
.hero-cta:hover{background:var(--ghs-red-hover);color:var(--white);transform:translateY(-1px);box-shadow:0 4px 12px rgba(200,16,46,0.25)}
.section{max-width:var(--max-width);margin:0 auto;padding:72px 24px}
.section-label{font-family:var(--font-display);font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:2.5px;color:var(--ghs-red);margin-bottom:8px}
.section-title{font-family:var(--font-display);font-size:clamp(26px,3.5vw,38px);font-weight:800;color:var(--text-primary);text-transform:uppercase;margin-bottom:12px}
.section-desc{font-family:var(--font-serif);color:var(--text-secondary);font-size:18px;max-width:580px;margin-bottom:40px}
.category-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:16px}
.category-card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:24px;transition:all 0.25s;text-decoration:none;color:var(--text-body);display:block;position:relative}
.category-card:hover{border-color:var(--ghs-red);transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,0,0,0.06);color:var(--text-body)}
.category-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--ghs-red);border-radius:10px 10px 0 0;opacity:0;transition:opacity 0.25s}
.category-card:hover::before{opacity:1}
.category-icon{width:44px;height:44px;background:var(--ghs-red-light);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:14px}
.category-icon.orange{background:var(--ghs-orange-light)}.category-icon.blue{background:var(--ghs-blue-light)}.category-icon.green{background:var(--ghs-green-light)}
.category-card h3{font-family:var(--font-display);font-size:19px;font-weight:700;color:var(--text-primary);text-transform:uppercase;margin-bottom:6px}
.category-card p{font-size:14px;color:var(--text-secondary);line-height:1.55}
.article-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:20px}
.article-card{background:var(--card);border:1px solid var(--border);border-radius:10px;overflow:hidden;transition:all 0.25s;text-decoration:none;color:var(--text-body);display:block}
.article-card:hover{border-color:var(--ghs-red-border);transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,0,0,0.06);color:var(--text-body)}
.article-card-body{padding:24px}
.article-tag{display:inline-block;background:var(--ghs-red-light);color:var(--ghs-red);font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1px;padding:3px 10px;border-radius:4px;margin-bottom:10px}
.article-tag.orange{background:var(--ghs-orange-light);color:var(--ghs-orange)}.article-tag.blue{background:var(--ghs-blue-light);color:var(--ghs-blue)}
.article-card h3{font-family:var(--font-display);font-size:21px;font-weight:700;color:var(--text-primary);text-transform:uppercase;line-height:1.2;margin-bottom:8px}
.article-card p{font-size:14px;color:var(--text-secondary);line-height:1.55}
.article-meta{display:flex;align-items:center;gap:10px;margin-top:14px;font-size:13px;color:var(--text-muted)}
.cta-banner{background:var(--white);border:2px solid var(--ghs-red-border);border-radius:12px;padding:56px 40px;text-align:center;max-width:var(--max-width);margin:0 auto;position:relative}
.cta-banner::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--ghs-red),var(--ghs-orange),var(--ghs-amber));border-radius:12px 12px 0 0}
.cta-banner h2{font-family:var(--font-display);font-size:30px;font-weight:800;color:var(--text-primary);text-transform:uppercase;margin-bottom:10px}
.cta-banner p{font-family:var(--font-serif);color:var(--text-secondary);font-size:18px;margin-bottom:24px}
.lab-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}
.lab-card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:24px;transition:all 0.2s}
.lab-card:hover{border-color:var(--ghs-blue);box-shadow:0 4px 16px rgba(0,0,0,0.05)}
.lab-card h3{font-family:var(--font-display);font-size:18px;font-weight:700;color:var(--text-primary);text-transform:uppercase;margin-bottom:4px}
.lab-card .lab-type{font-size:13px;color:var(--ghs-blue);font-weight:600;text-transform:uppercase;letter-spacing:0.5px;margin-bottom:10px}
.lab-card p{font-size:14px;color:var(--text-secondary);line-height:1.5;margin-bottom:4px}
.lab-card .lab-services{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.lab-card .lab-services span{background:var(--ghs-blue-light);color:var(--ghs-blue);font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:0.5px;padding:3px 8px;border-radius:4px}
.article-header{max-width:var(--content-width);margin:0 auto;padding:48px 24px 0}
.breadcrumb{display:flex;gap:8px;align-items:center;font-size:14px;color:var(--text-muted);margin-bottom:20px}
.breadcrumb a{color:var(--text-secondary)}
.article-header h1{font-family:var(--font-display);font-size:clamp(30px,4.5vw,44px);font-weight:800;color:var(--text-primary);text-transform:uppercase;line-height:1.1;margin-bottom:14px}
.article-header .article-meta{margin-bottom:28px;padding-bottom:28px;border-bottom:1px solid var(--border)}
.article-body{max-width:var(--content-width);margin:0 auto;padding:0 24px 72px}
.article-body h2{font-family:var(--font-display);font-size:26px;font-weight:700;color:var(--text-primary);text-transform:uppercase;margin:44px 0 14px}
.article-body h3{font-family:var(--font-display);font-size:21px;font-weight:700;color:var(--text-primary);margin:28px 0 10px}
.article-body p{margin-bottom:18px;color:var(--text-body);line-height:1.8}
.article-body ul,.article-body ol{margin:0 0 18px 24px;color:var(--text-body)}
.article-body li{margin-bottom:6px;line-height:1.7}
.article-body strong{color:var(--text-primary)}
.callout{background:var(--ghs-red-light);border-left:4px solid var(--ghs-red);border-radius:0 8px 8px 0;padding:18px 22px;margin:28px 0}
.callout p{margin-bottom:0;color:var(--text-body)}.callout strong{color:var(--ghs-red)}
.callout-green{background:var(--ghs-green-light);border-left-color:var(--ghs-green)}.callout-green strong{color:var(--ghs-green)}
.callout-blue{background:var(--ghs-blue-light);border-left-color:var(--ghs-blue)}.callout-blue strong{color:var(--ghs-blue)}
.service-header{max-width:var(--max-width);margin:0 auto;padding:48px 24px 36px}
.service-header h1{font-family:var(--font-display);font-size:clamp(30px,4.5vw,48px);font-weight:800;color:var(--text-primary);text-transform:uppercase;line-height:1.1;margin-bottom:14px}
.service-header .lead{font-family:var(--font-serif);font-size:18px;color:var(--text-secondary);max-width:680px;line-height:1.7}
.service-content{max-width:var(--max-width);margin:0 auto;padding:0 24px 72px;display:grid;grid-template-columns:2fr 1fr;gap:48px}
.service-main h2{font-family:var(--font-display);font-size:24px;font-weight:700;color:var(--text-primary);text-transform:uppercase;margin:36px 0 12px}
.service-main h2:first-child{margin-top:0}.service-main p{margin-bottom:16px;line-height:1.8}
.service-sidebar{position:sticky;top:88px;align-self:start}
.sidebar-card{background:var(--white);border:1px solid var(--border);border-radius:10px;padding:22px;margin-bottom:16px}
.sidebar-card h4{font-family:var(--font-display);font-size:14px;font-weight:700;color:var(--ghs-red);text-transform:uppercase;letter-spacing:1.5px;margin-bottom:12px}
.sidebar-card ul{list-style:none}.sidebar-card li{margin-bottom:8px}
.sidebar-card li a{color:var(--text-secondary);font-size:14px}.sidebar-card li a:hover{color:var(--ghs-red)}
.faq-section{max-width:var(--content-width);margin:0 auto;padding:0 24px 36px}
.faq-item{border-bottom:1px solid var(--border);padding:18px 0}
.faq-item h3{font-family:var(--font-body);font-size:16px;font-weight:600;color:var(--text-primary);margin-bottom:6px;text-transform:none}
.faq-item p{color:var(--text-secondary);font-size:15px;margin:0;line-height:1.6}
.site-footer{background:var(--white);border-top:1px solid var(--border);padding:52px 24px 28px;margin-top:40px}
.footer-inner{max-width:var(--max-width);margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand p{color:var(--text-secondary);font-size:14px;margin-top:10px;max-width:320px;line-height:1.55}
.footer-col h5{font-family:var(--font-display);font-size:12px;font-weight:700;color:var(--text-primary);text-transform:uppercase;letter-spacing:1.5px;margin-bottom:14px}
.footer-col ul{list-style:none}.footer-col li{margin-bottom:6px}
.footer-col a{color:var(--text-secondary);font-size:14px}.footer-col a:hover{color:var(--ghs-red)}
.footer-bottom{max-width:var(--max-width);margin:0 auto;padding-top:20px;border-top:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--text-muted)}
@media(max-width:768px){.header-inner{height:56px}nav{display:none}.mobile-toggle{display:block}nav.open{display:flex;flex-direction:column;position:absolute;top:56px;left:0;right:0;background:var(--white);border-bottom:1px solid var(--border);padding:16px}.hero{padding:50px 20px 40px}.category-grid{grid-template-columns:1fr}.article-grid{grid-template-columns:1fr}.lab-grid{grid-template-columns:1fr}.service-content{grid-template-columns:1fr}.service-sidebar{position:static}.footer-inner{grid-template-columns:1fr 1fr;gap:28px}.footer-bottom{flex-direction:column;gap:6px;text-align:center}}