@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;--card-hover:#fffcf8;--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}

/* HEADER */
.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-placard img{width:100%;height:100%;object-fit:contain}
.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}
nav{display:flex;gap:6px;align-items:center}
nav a{font-family:var(--font-body);font-size:14px;font-weight:600;color:var(--text-secondary);padding:8px 14px;border-radius:6px;transition:all 0.2s;text-decoration:none}
nav a:hover,nav a.active{color:var(--ghs-red);background:var(--ghs-red-light)}
.mobile-toggle{display:none;background:none;border:none;font-size:24px;cursor:pointer;color:var(--text-primary);padding:8px}

/* SECTIONS */
.section{max-width:var(--max-width);margin:0 auto;padding:48px 24px}
.section-sm{max-width:var(--content-width);margin:0 auto;padding:48px 24px}
.accent{color:var(--ghs-red)}

/* HERO */
.hero{background:var(--white);border-bottom:3px solid var(--ghs-red);text-align:center;padding:60px 24px 52px}
.hero h1{font-family:var(--font-display);font-size:clamp(32px,5vw,52px);font-weight:800;color:var(--text-primary);text-transform:uppercase;line-height:1.05;margin-bottom:14px}
.hero p{font-family:var(--font-serif);font-size:20px;color:var(--text-secondary);max-width:640px;margin:0 auto 28px;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:16px;padding:14px 32px;border-radius:8px;transition:all 0.2s;text-decoration:none;border:none;cursor:pointer}
.hero-cta:hover{background:var(--ghs-red-hover);color:var(--white);transform:translateY(-1px)}

/* CARDS & GRIDS */
.category-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px}
.category-card{display:block;background:var(--card);border:1px solid var(--border);border-radius:10px;padding:24px;text-decoration:none;color:var(--text-body);transition:all 0.2s}
.category-card:hover{border-color:var(--ghs-red-border);box-shadow:0 4px 16px rgba(0,0,0,0.05);color:var(--text-body);transform:translateY(-2px)}
.category-icon{font-size:28px;margin-bottom:10px}
.category-card h3{font-family:var(--font-display);font-size:18px;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:1.5}

/* ARTICLE CARDS */
.article-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:20px}
.article-card{display:block;background:var(--card);border:1px solid var(--border);border-radius:10px;padding:24px 24px 20px;text-decoration:none;color:var(--text-body);transition:all 0.2s}
.article-card:hover{border-color:var(--ghs-red-border);box-shadow:0 4px 16px rgba(0,0,0,0.05);color:var(--text-body)}
.article-card h3{font-family:var(--font-display);font-size:17px;font-weight:700;color:var(--text-primary);text-transform:uppercase;line-height:1.2;margin-bottom:6px}
.article-card:hover h3{color:var(--ghs-red)}
.article-card p{font-size:14px;color:var(--text-secondary);line-height:1.5;margin-bottom:8px}
.article-meta{font-size:12px;color:var(--text-muted)}

/* ARTICLE CONTENT */
.article-header{background:var(--white);border-bottom:3px solid var(--ghs-red);padding:48px 24px 40px;text-align:center}
.article-header h1{font-family:var(--font-display);font-size:clamp(28px,4vw,42px);font-weight:800;color:var(--text-primary);text-transform:uppercase;line-height:1.05;margin-bottom:10px;max-width:800px;margin-left:auto;margin-right:auto}
.article-header .meta{font-size:14px;color:var(--text-secondary)}
.article-body{max-width:var(--content-width);margin:0 auto;padding:40px 24px}
.article-body h2{font-family:var(--font-display);font-size:24px;font-weight:700;color:var(--text-primary);text-transform:uppercase;margin:36px 0 14px;padding-bottom:8px;border-bottom:2px solid var(--ghs-red-light)}
.article-body h3{font-family:var(--font-display);font-size:19px;font-weight:700;color:var(--text-primary);text-transform:uppercase;margin:28px 0 10px}
.article-body p{margin-bottom:18px}
.article-body ul,.article-body ol{margin:0 0 18px 24px}
.article-body li{margin-bottom:6px}
.article-body blockquote{border-left:4px solid var(--ghs-red);background:var(--ghs-red-light);padding:16px 20px;margin:24px 0;border-radius:0 8px 8px 0;font-family:var(--font-serif);font-style:italic;color:var(--text-secondary)}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0}
.article-body th{background:var(--text-primary);color:var(--white);font-family:var(--font-display);font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:0.5px;padding:10px 14px;text-align:left}
.article-body td{padding:10px 14px;border-bottom:1px solid var(--border);font-size:15px}
.article-body tr:hover td{background:var(--ghs-red-light)}
.article-body .callout{background:var(--ghs-red-light);border:1px solid var(--ghs-red-border);border-radius:8px;padding:20px;margin:24px 0}
.article-body .callout-title{font-family:var(--font-display);font-size:14px;font-weight:700;color:var(--ghs-red);text-transform:uppercase;margin-bottom:6px}
.article-body .stat-box{background:var(--white);border:1px solid var(--border);border-radius:8px;padding:20px;text-align:center;margin:20px 0}
.article-body .stat-number{font-family:var(--font-display);font-size:42px;font-weight:800;color:var(--ghs-red);line-height:1}
.article-body .stat-label{font-size:14px;color:var(--text-secondary);margin-top:4px}

/* SERVICE PAGES */
.service-content{display:grid;grid-template-columns:1fr 300px;gap:40px;max-width:var(--max-width);margin:0 auto;padding:40px 24px}
.service-sidebar{position:sticky;top:80px;align-self:start}
.service-sidebar .sidebar-card{background:var(--white);border:1px solid var(--border);border-radius:10px;padding:20px;margin-bottom:16px}
.service-sidebar .sidebar-card h4{font-family:var(--font-display);font-size:14px;font-weight:700;color:var(--text-primary);text-transform:uppercase;margin-bottom:10px}

/* LABS */
.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:20px;transition:all 0.2s}
.lab-card:hover{border-color:var(--ghs-red-border);box-shadow:0 4px 12px rgba(0,0,0,0.05)}
.lab-card h3{font-family:var(--font-display);font-size:17px;font-weight:700;color:var(--text-primary);text-transform:uppercase;margin-bottom:4px}
.lab-type{font-size:12px;color:var(--text-muted);margin-bottom:8px}
.lab-services{display:flex;flex-wrap:wrap;gap:4px}
.lab-services span{background:var(--ghs-blue-light);color:var(--ghs-blue);font-size:11px;font-weight:600;padding:2px 8px;border-radius:4px}

/* CTA BANNER */
.cta-banner{background:var(--text-primary);color:var(--white);border-radius:12px;padding:40px;text-align:center}
.cta-banner h2{font-family:var(--font-display);font-size:clamp(24px,3vw,32px);font-weight:800;text-transform:uppercase;margin-bottom:10px}
.cta-banner p{font-family:var(--font-serif);color:#999;font-size:17px;margin-bottom:24px;max-width:500px;margin-left:auto;margin-right:auto}

/* ADS */
.ad-rail{position:fixed;top:50%;transform:translateY(-50%);width:160px;min-height:600px;z-index:50;background:var(--bg-warm);border:1px dashed var(--border);border-radius:8px}
.ad-rail-left{left:0}
.ad-rail-right{right:0}
@media(max-width:1400px){.ad-rail{display:none}}

/* FOOTER */
.site-footer{background:var(--white);border-top:3px solid var(--ghs-red);padding:48px 24px 24px}
.footer-inner{max-width:var(--max-width);margin:0 auto;display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:24px}
.footer-brand p{font-size:14px;color:var(--text-secondary);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)}

/* RESPONSIVE */
@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}
}