/* =====================================================
   DexTrue - Unified site stylesheet (assets/site.css)
   Use this across index.html + all pages to keep header/footer
   and design tokens consistent.
   ===================================================== */

/* -------------------------
   Design tokens - single source
   ------------------------- */
:root{
  --max-w:1200px;
  --container:1200px;

  /* Spacing */
  --space-xs:8px;
  --space-sm:12px;
  --space-md:20px;
  --space-lg:32px;
  --space-xl:56px;

  /* Radius & shadows */
  --radius:12px;
  --shadow-sm:0 6px 20px rgba(14,20,15,0.06);
  --shadow-md:0 14px 40px rgba(14,20,15,0.08);
  --shadow-lg:0 20px 40px rgba(0,0,0,0.28);

  /* Colors (light theme) */
  --primary:#2E8B57;
  --primary-600:#1d6e44;
  --primary-700:#165635;
  --muted:#6b6b6b;
  --text:#17201e;
  --bg:#fbfaf8;
  --surface:#ffffff;
  --glass:rgba(255,255,255,0.6);
  --accent:#00D084;
  --accent-dark:#00A86B;
  --error:#E23E3E;

  /* UI */
  --transition:200ms cubic-bezier(.2,.9,.3,1);
  --focus:3px solid rgba(46,139,87,0.18);

  /* Typography */
  --font-heading: 'Poppins', sans-serif;
  --font-body:'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Arial;
  --font-mono: 'Space Mono', monospace;
}

/* -------------------------
   Reset & base
   ------------------------- */
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  line-height:1.45;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.container{max-width:var(--container);margin:0 auto;padding:0 18px}
.row{display:flex;align-items:center;gap:var(--space-md)}

/* Accessibility focus */
:focus{outline:none}
:focus-visible{outline:var(--focus);outline-offset:4px;border-radius:8px}

/* Utility helpers */
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.center{display:flex;align-items:center;justify-content:center}

/* -------------------------
   Buttons (shared)
   ------------------------- */
.btn{
  border:0;border-radius:10px;padding:10px 14px;cursor:pointer;font-weight:700;display:inline-flex;align-items:center;gap:8px;transition:transform var(--transition), box-shadow var(--transition);
}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{transform:translateY(-3px)}
.btn-secondary{background:transparent;border:1px solid rgba(0,0,0,0.06);color:var(--text)}
.btn-ghost{background:transparent;border:0;color:var(--muted)}
.btn-small{padding:8px 12px;border-radius:8px;font-weight:700}

/* -------------------------
   Header (common)
   ------------------------- */
header{
  position:sticky;top:0;z-index:120;
  backdrop-filter:blur(6px);
  background:linear-gradient(180deg,rgba(255,255,255,0.98),rgba(255,255,255,0.95));
  border-bottom:1px solid rgba(16,20,18,0.04);
  padding:12px 0;
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text)}
.brand .logo-icon{font-size:26px}
.brand h1{font-family:var(--font-heading);font-size:18px;margin:0;font-weight:700}

nav.primary{display:flex;gap:18px;align-items:center}
nav.primary a{color:var(--muted);padding:8px;border-radius:10px;font-weight:600}
nav.primary a.active, nav.primary a:hover{color:var(--primary)}

.header-actions{display:flex;align-items:center;gap:10px}
.icon-btn{background:transparent;border:0;padding:8px;border-radius:10px;cursor:pointer;color:var(--muted);font-size:16px}
.subscribe-btn{background:var(--primary);color:#fff;padding:10px 14px;border-radius:10px;border:0;cursor:pointer;font-weight:700}

/* Mobile menu button & panel */
.hamburger{display:none;background:transparent;border:0;padding:8px;font-size:18px;cursor:pointer}

/* mobile overlay / panel (used by all pages) */
.mobile-overlay{position:fixed;inset:0;background:rgba(6,8,6,0.45);display:none;align-items:flex-start;justify-content:flex-end;padding:72px 18px 18px 18px;z-index:140}
.mobile-overlay[aria-hidden="false"]{display:flex}
.mobile-panel{width:320px;background:var(--surface);border-radius:12px;padding:18px;box-shadow:var(--shadow-md)}
.mobile-panel a{display:block;padding:12px 0;border-bottom:1px solid rgba(0,0,0,0.04)}

/* -------------------------
   Footer (common)
   ------------------------- */
footer{background:#0f1112;color:#d6d6d6;padding:48px 0;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px;max-width:var(--max-w);margin:0 auto;padding:0 18px}
.footer-column h4{margin-bottom:var(--space-sm);color:#fff}
.footer-links{list-style:none;padding:0;margin:0}
.footer-links li{margin-bottom:8px}
.footer-links a{color:#d6d6d6}
.footer-links a:hover{color:var(--primary)}
.newsletter input{width:100%;padding:12px;border-radius:8px;background:rgba(255,255,255,0.95);border:1px solid rgba(0,0,0,0.06);color:var(--text);margin-bottom:8px}
.copyright{margin-top:18px;color:#bdbdbd;font-size:0.9rem;text-align:center}

/* -------------------------
   Hero (shared patterns)
   ------------------------- */
.hero{padding:calc(var(--space-xl) - 8px) 0;display:grid;grid-template-columns:1fr 420px;gap:36px;align-items:center}
.hero-left h2{font-family:var(--font-heading);font-size:40px;margin:0 0 12px;line-height:1.03}
.lead{color:var(--muted);max-width:58ch;margin-bottom:18px}
.hero-ctas{display:flex;gap:12px}
.product-card, .card{background:linear-gradient(180deg,rgba(255,255,255,0.97),var(--surface));border-radius:14px;padding:18px;box-shadow:var(--shadow-md)}

/* media helpers used across cards */
.media{width:100%;height:280px;display:flex;align-items:center;justify-content:center;overflow:hidden;background:#fff;padding:12px;box-sizing:border-box;border-radius:10px}
.media-img{max-width:100%;max-height:100%;height:auto;width:auto;object-fit:contain;display:block}
.card .media img{transition:transform var(--transition)}
.card:hover .media img{transform:scale(1.03)}

/* -------------------------
   Product / Grid / Cards
   ------------------------- */
.products{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px}
.card{border-radius:12px;overflow:hidden;box-shadow:var(--shadow-sm);transition:transform var(--transition),box-shadow var(--transition);display:flex;flex-direction:column}
.card .body{padding:16px}
.tag{display:inline-block;padding:6px 10px;border-radius:999px;font-weight:700;font-size:12px;color:white;background:linear-gradient(90deg,var(--primary),var(--primary-600))}
.product-title{font-weight:700;margin-top:10px}
.product-price{color:var(--primary);font-weight:800;margin-top:8px}
.product-actions{display:flex;gap:8px;margin-top:12px}

/* -------------------------
   USP / Features / How it works
   ------------------------- */
.usp-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}
.usp{background:var(--surface);padding:18px;border-radius:12px;box-shadow:var(--shadow-sm);min-height:120px}
.usp h4{margin:10px 0 6px}
.usp p{color:var(--muted);margin:0}

/* Steps */
.steps{display:flex;justify-content:space-between;gap:var(--space-md);margin-top:var(--space-lg)}
.step{flex:1;text-align:center;position:relative}
.step-number{width:80px;height:80px;border-radius:50%;background:linear-gradient(145deg,var(--primary),var(--primary-600));display:flex;align-items:center;justify-content:center;margin:0 auto 12px;font-family:var(--font-mono);color:white;box-shadow:var(--shadow-md)}

/* -------------------------
   Demo / Testimonials / Blog
   ------------------------- */
.demo-container{background:linear-gradient(145deg,#fff,var(--surface));border-radius:20px;padding:20px;margin-top:var(--space-md);position:relative;overflow:hidden;box-shadow:var(--shadow-lg)}
.testimonial{padding:18px;border-radius:12px;background:linear-gradient(180deg,#fff,#fbfbfb);box-shadow:var(--shadow-sm)}
.test-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}

/* Blog card */
.blog-card{background:linear-gradient(180deg,#fff,#fbfbfb);border-radius:12px;overflow:hidden;box-shadow:var(--shadow-sm)}
.blog-image{height:180px;background:linear-gradient(45deg,var(--primary),var(--accent));position:relative;overflow:hidden}

/* CTA */
.cta{padding:48px 0;text-align:center;background:linear-gradient(45deg,var(--bg),#f5f7f5)}

/* -------------------------
   Pricing (combined)
   ------------------------- */
.pricing-hero{text-align:center;padding:48px 0}
.pricing-hero h1{font-family:var(--font-heading);font-size:2.25rem;margin-bottom:8px}
.pricing-hero p{color:var(--muted);max-width:780px;margin:0 auto}
.toggle-wrap{display:inline-flex;background:rgba(0,0,0,0.03);padding:6px;border-radius:999px;margin-top:18px}
.toggle-btn{padding:8px 16px;border-radius:999px;cursor:pointer;font-weight:600}
.toggle-active{background:linear-gradient(90deg,var(--primary),var(--primary-600));color:white}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:28px}
.pricing-card{background:linear-gradient(180deg,#fff,var(--surface));padding:22px;border-radius:14px;border:1px solid rgba(0,0,0,0.04);display:flex;flex-direction:column;justify-content:space-between}
.pricing-card.popular{border:2px solid var(--primary);position:relative}
.ribbon{position:absolute;top:14px;right:14px;background:var(--primary);color:white;padding:6px 12px;border-radius:8px;font-weight:700;font-size:0.8rem}
.price{font-family:var(--font-mono);font-size:2rem;color:var(--primary);margin:12px 0}
.features-list{list-style:none;padding:0;margin:12px 0;display:flex;flex-direction:column;gap:10px}
.features-list li{display:flex;align-items:flex-start;gap:10px;color:var(--muted)}

.compare{margin-top:40px;background:linear-gradient(180deg,#fff,var(--surface));padding:20px;border-radius:12px;overflow:auto}
.compare table{width:100%;border-collapse:collapse;color:var(--muted);min-width:520px}
.compare th,.compare td{padding:12px;border-bottom:1px solid rgba(0,0,0,0.04);text-align:left}
.compare th{color:var(--text);font-weight:700}

/* Pricing FAQ */
.faq{margin-top:28px;display:grid;grid-template-columns:1fr 1fr;gap:18px}
.faq-item{background:linear-gradient(180deg,#fff,#fbfbfb);padding:16px;border-radius:10px;box-shadow:var(--shadow-sm)}

/* -------------------------
   FAQ page components
   ------------------------- */
.faq-grid{display:grid;grid-template-columns:1fr 360px;gap:22px;align-items:start}
.faq-list{background:var(--surface);padding:14px;border-radius:12px;box-shadow:var(--shadow-sm)}
details{margin-bottom:10px;border-radius:10px;overflow:hidden}
summary{cursor:pointer;padding:14px 16px;display:flex;align-items:center;justify-content:space-between;background:linear-gradient(180deg,#fff,#fbfbfb);border:1px solid rgba(0,0,0,0.03);font-weight:600}
details[open] summary{outline:var(--focus)}
details p{padding:12px 16px;margin:0;color:var(--muted);background:#fff;border:1px solid rgba(0,0,0,0.03);border-top:0}

/* -------------------------
   Shop / Product / Cart
   ------------------------- */
.shop-grid{display:grid;grid-template-columns:280px 1fr;gap:28px;align-items:start}
.sidebar{background:var(--surface);padding:16px;border-radius:12px;box-shadow:var(--shadow-sm)}
.filter-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:8px}
.controls{display:flex;gap:12px;align-items:center;margin-bottom:18px;flex-wrap:wrap}
.search{flex:1;min-width:180px;display:flex;align-items:center;gap:8px;background:#fff;padding:8px;border-radius:10px;border:1px solid rgba(0,0,0,0.04)}
.select{padding:8px 12px;border-radius:10px;border:1px solid rgba(0,0,0,0.06);background:#fff}

/* Cart drawer & modal */
.cart-drawer{position:fixed;right:0;top:0;height:100vh;width:360px;max-width:96vw;background:var(--surface);box-shadow:-30px 0 50px rgba(6,8,6,0.12);transform:translateX(110%);transition:transform 320ms ease;z-index:120}
.cart-drawer[aria-hidden="false"]{transform:translateX(0)}
.modal-backdrop{position:fixed;inset:0;display:none;align-items:center;justify-content:center;background:rgba(6,8,6,0.5);z-index:130;padding:20px}
.modal-backdrop[aria-hidden="false"]{display:flex}
.modal{width:100%;max-width:920px;background:var(--surface);border-radius:12px;box-shadow:var(--shadow-md);overflow:hidden;display:flex}
.modal .media{width:44%;min-height:260px;background-size:contain;background-position:center;background-repeat:no-repeat}
.modal .content{padding:18px;flex:1;display:flex;flex-direction:column;gap:8px}

/* -------------------------
   Subscription / Plans
   ------------------------- */
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;margin-top:18px}
.plan-card{padding:22px;border-radius:14px;background:linear-gradient(180deg,#fff,#fbfbfb);box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:12px;transition:transform var(--trans)}
.plan-card.recommended{border:2px solid var(--primary);transform:translateY(-6px);box-shadow:var(--shadow-md)}
.plan-price{font-weight:900;color:var(--primary);font-size:28px}
.plan-savings{font-weight:700;color:var(--primary-700);background:rgba(46,139,87,0.08);padding:6px 10px;border-radius:999px;display:inline-block;font-size:13px}
.plan-features{list-style:none;padding:0;margin:0;color:var(--muted);line-height:1.6}
.compare {margin-top:28px;overflow:auto;border-radius:12px;box-shadow:var(--shadow-sm);background:var(--surface)}

/* -------------------------
   Lab / Reports / Viewer
   ------------------------- */
.reports-table{width:100%;border-collapse:collapse;background:var(--surface);border-radius:12px;overflow:hidden;box-shadow:var(--shadow-sm)}
.reports-table thead th{padding:14px 16px;background:linear-gradient(180deg,#fbfbfb,#fff);font-weight:700;border-bottom:1px solid rgba(0,0,0,0.04)}
.reports-table tbody td{padding:12px 16px;border-bottom:1px solid rgba(0,0,0,0.04);vertical-align:middle}
.viewer-backdrop{position:fixed;inset:0;display:none;align-items:center;justify-content:center;background:rgba(6,8,6,0.6);z-index:140;padding:20px}
.viewer-backdrop[aria-hidden="false"]{display:flex}
.viewer{width:100%;max-width:1000px;height:80vh;background:var(--surface);border-radius:12px;overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow-md)}
.viewer-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid rgba(0,0,0,0.04)}
.viewer-body{flex:1;background:#fff}
.viewer-embed{width:100%;height:100%;border:0}

/* -------------------------
   Contact page pieces
   ------------------------- */
.contact-grid{display:grid;grid-template-columns:380px 1fr;gap:22px;margin-top:18px;align-items:start}
.contact-method{display:flex;gap:12px;align-items:center;margin-bottom:12px}
.contact-method .icon{font-size:20px;color:var(--primary)}
.hours{color:var(--muted);font-size:14px}
.contact-form{display:grid;gap:12px}
.row-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
label{display:block;font-weight:600;margin-bottom:6px}
input[type="text"],input[type="email"],textarea,select{width:100%;padding:10px 12px;border-radius:10px;border:1px solid rgba(0,0,0,0.06);background:#fff;box-sizing:border-box}
textarea{min-height:140px;resize:vertical}

/* Contact status */
.status{padding:12px;border-radius:10px;display:none;margin-top:8px}
.status.show{display:block}
.status.success{background:linear-gradient(180deg,#eefaf0,#f6fffa);color:var(--primary)}
.status.error{background:linear-gradient(180deg,#fff2f2,#fff6f6);color:#a33}

/* -------------------------
   Shipping / Returns pieces
   ------------------------- */
.grid{display:grid;grid-template-columns:1fr 360px;gap:28px;margin-top:22px;align-items:start}
.panel{background:var(--surface);padding:18px;border-radius:12px;box-shadow:var(--shadow-sm)}
.shipping-table{width:100%;border-collapse:collapse;margin-top:12px}
.shipping-table th, .shipping-table td{padding:12px;text-align:left;border-bottom:1px solid rgba(0,0,0,0.04)}
.badge{display:inline-block;padding:6px 10px;border-radius:999px;font-weight:700;font-size:13px;color:#fff;background:linear-gradient(90deg,var(--primary),var(--primary-700))}

/* -------------------------
   Small / responsive adjustments
   ------------------------- */
@media (max-width:980px){
  .hero{grid-template-columns:1fr;gap:22px;text-align:center}
  nav.primary{display:none}
  .hamburger{display:inline-flex}
  .shop-grid{grid-template-columns:1fr}
  .sidebar{order:2}
  .hero-left h2{font-size:28px}
  .modal{flex-direction:column}
  .modal .media{width:100%;height:260px}
  .pricing-grid{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr}
  .compare table{min-width:600px}
}

@media (max-width:520px){
  .container{padding:0 14px}
  .hero-left h2{font-size:26px}
  .brand h1{font-size:16px}
  .mobile-panel{width:100%}
}

/* -------------------------
   Backwards-compat / small overrides (keep at bottom)
   - If you used inline page CSS, remove it once confirmed
   ------------------------- */
.section-title{font-family:var(--font-heading);font-size:20px;margin:0 0 12px}
.muted-small{color:var(--muted);font-size:13px}
.empty{padding:40px;text-align:center;color:var(--muted)}
.pager{display:flex;justify-content:center;margin-top:26px;gap:8px}
.pager button{padding:8px 12px;border-radius:8px;border:1px solid rgba(0,0,0,0.06);background:#fff;cursor:pointer}