/* ==========================================================================
   LabGenX — Design System
   Palette: navy (authority/precision) + orange→amber→teal gradient (the
   brand's dot mark, echoing a colorimetric ELISA readout — signal
   intensity rendered as colour, well by well).
   Display: Space Grotesk (technical, geometric)
   Body:    Inter
   Data:    IBM Plex Mono (biomarker codes, specs, numbers)
   ========================================================================== */

:root{
  --navy-950:#081a30;
  --navy-900:#0a2545;
  --navy-800:#123b6e;
  --navy-700:#1a4d8c;
  --blue-500:#2c8fd6;
  --teal-600:#0e8f80;
  --teal-400:#1cb8a4;
  --amber-500:#f2b230;
  --orange-600:#ef7a2a;
  --orange-700:#e4611a;

  --ink:#152233;
  --ink-soft:#48576b;
  --line:#e1e7ee;
  --line-soft:#edf1f5;
  --paper:#f6f8fb;
  --paper-alt:#eef2f7;
  --white:#ffffff;

  --grad-signal: linear-gradient(90deg,#ef7a2a 0%,#f2b230 26%,#8fc93a 46%,#1cb8a4 66%,#2c8fd6 84%,#123b6e 100%);
  --grad-navy: linear-gradient(135deg,#0a2545 0%,#123b6e 60%,#1a4d8c 100%);

  --radius-s:8px;
  --radius-m:14px;
  --radius-l:22px;
  --shadow-s: 0 1px 2px rgba(10,37,69,.06), 0 1px 1px rgba(10,37,69,.04);
  --shadow-m: 0 8px 24px rgba(10,37,69,.09);
  --shadow-l: 0 20px 48px rgba(10,37,69,.14);

  --maxw: 1220px;
  --font-display: "Space Grotesk", "Segoe UI", sans-serif;
  --font-body: "Inter", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  line-height:1.6;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{
  font-family:var(--font-display);
  color:var(--navy-900);
  line-height:1.12;
  margin:0 0 .5em;
  letter-spacing:-0.01em;
}
p{ margin:0 0 1em; color:var(--ink-soft); }
:focus-visible{ outline:3px solid var(--teal-400); outline-offset:2px; }

.wrap{ max-width:var(--maxw); margin:0 auto; padding:0 28px; }
.section{ padding:88px 0; }
.section--tight{ padding:56px 0; }
.section--alt{ background:var(--white); }
.section--navy{ background:var(--grad-navy); color:#fff; }
.section--navy h2, .section--navy h3{ color:#fff; }
.section--navy p{ color:#c7d5e8; }

.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--font-mono);
  font-size:12.5px; letter-spacing:.14em; text-transform:uppercase;
  color:var(--teal-600); font-weight:600; margin-bottom:14px;
}
.eyebrow::before{
  content:""; width:22px; height:2px; border-radius:2px;
  background:var(--grad-signal);
}
.section--navy .eyebrow{ color:#7fe0cf; }

.lede{ font-size:1.15rem; max-width:640px; }
.grid-2{ display:grid; grid-template-columns:1fr 1fr; gap:48px; }
.grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:28px; }
.grid-4{ display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }

/* Buttons */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  font-family:var(--font-body); font-weight:600; font-size:.95rem;
  padding:14px 26px; border-radius:999px; border:1.5px solid transparent;
  cursor:pointer; transition:transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
  white-space:nowrap;
}
.btn:hover{ transform:translateY(-2px); }
.btn-primary{ background:var(--orange-600); color:#fff; box-shadow:0 10px 22px rgba(239,122,42,.32); }
.btn-primary:hover{ background:var(--orange-700); }
.btn-navy{ background:var(--navy-900); color:#fff; }
.btn-navy:hover{ background:var(--navy-800); }
.btn-ghost{ background:transparent; border-color:rgba(255,255,255,.4); color:#fff; }
.btn-ghost:hover{ border-color:#fff; background:rgba(255,255,255,.08); }
.btn-outline{ background:transparent; border-color:var(--navy-900); color:var(--navy-900); }
.btn-outline:hover{ background:var(--navy-900); color:#fff; }
.btn-sm{ padding:10px 18px; font-size:.85rem; }

/* ---------------- Header ---------------- */
.site-header{
  position:sticky; top:0; z-index:200;
  background:rgba(246,248,251,.86); backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-bar{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 28px; max-width:var(--maxw); margin:0 auto;
}
.brand{ display:flex; align-items:center; gap:10px; }
.brand img{ height:38px; width:auto; }
.brand-word{ font-family:var(--font-display); font-weight:700; font-size:1.18rem; color:var(--navy-900); letter-spacing:-.01em; }
.brand-word span{ color:var(--orange-600); }

.main-nav{ display:flex; align-items:center; gap:2px; }
.main-nav a{
  padding:10px 16px; font-size:.93rem; font-weight:600; color:var(--ink-soft);
  border-radius:999px; transition:background .15s, color .15s;
}
.main-nav a:hover, .main-nav a.is-active{ background:var(--paper-alt); color:var(--navy-900); }

.header-cta{ display:flex; align-items:center; gap:14px; }
.header-phone{ display:flex; flex-direction:column; text-align:right; font-size:.82rem; color:var(--ink-soft); }
.header-phone strong{ color:var(--navy-900); font-family:var(--font-mono); font-size:.85rem; }

.nav-toggle{ display:none; background:none; border:none; cursor:pointer; padding:8px; }
.nav-toggle span{ display:block; width:24px; height:2px; background:var(--navy-900); margin:5px 0; border-radius:2px; }

/* ---------------- Hero ---------------- */
.hero{
  position:relative; overflow:hidden;
  background:var(--grad-navy); color:#fff;
  padding:96px 0 70px;
}
.hero .wrap{ display:grid; grid-template-columns:1.05fr .95fr; gap:40px; align-items:center; position:relative; z-index:2; }
.hero h1{ color:#fff; font-size:clamp(2.2rem,4vw,3.4rem); margin-bottom:.4em; }
.hero h1 em{ font-style:normal; background:var(--grad-signal); -webkit-background-clip:text; background-clip:text; color:transparent; }
.hero p{ color:#c7d5e8; font-size:1.12rem; max-width:520px; }
.hero-actions{ display:flex; gap:14px; margin-top:30px; flex-wrap:wrap; }
.hero-stats{ display:flex; gap:34px; margin-top:44px; flex-wrap:wrap; }
.hero-stat b{ display:block; font-family:var(--font-display); font-size:1.7rem; color:#fff; }
.hero-stat span{ font-size:.82rem; color:#9db3cc; }

.plate-visual{ position:relative; width:100%; aspect-ratio:1/1; max-width:460px; margin-left:auto; }
.plate-visual canvas{ width:100%; height:100%; display:block; }
.plate-caption{
  position:absolute; bottom:-6px; left:0; font-family:var(--font-mono); font-size:.72rem;
  color:#8fa4c0; letter-spacing:.04em;
}

/* ambient dot field */
.hero::after{
  content:""; position:absolute; inset:0; z-index:1; opacity:.35;
  background-image:radial-gradient(circle,rgba(255,255,255,.10) 1px,transparent 1.4px);
  background-size:26px 26px;
  mask-image:linear-gradient(to bottom, black, transparent 85%);
}

/* ---------------- Trust / serve strip ---------------- */
.serve-strip{ background:var(--white); border-bottom:1px solid var(--line); }
.serve-row{ display:flex; gap:0; overflow-x:auto; padding:22px 0; }
.serve-item{
  flex:0 0 auto; display:flex; align-items:center; gap:10px;
  padding:8px 24px; font-size:.85rem; font-weight:600; color:var(--ink-soft);
  border-right:1px solid var(--line-soft); white-space:nowrap;
}
.serve-item:last-child{ border-right:none; }
.serve-item .dot{ width:8px; height:8px; border-radius:50%; background:var(--teal-400); flex-shrink:0; }

/* ---------------- Cards ---------------- */
.card{
  background:var(--white); border:1px solid var(--line); border-radius:var(--radius-l);
  padding:32px; box-shadow:var(--shadow-s); transition:box-shadow .2s ease, transform .2s ease;
}
.card:hover{ box-shadow:var(--shadow-m); transform:translateY(-3px); }
.card-icon{
  width:52px; height:52px; border-radius:14px; display:flex; align-items:center; justify-content:center;
  background:var(--paper-alt); margin-bottom:18px;
}
.card-icon svg{ width:26px; height:26px; }
.card h3{ font-size:1.18rem; margin-bottom:.4em; }
.card p{ font-size:.94rem; margin-bottom:1.1em; }
.card ul{ display:flex; flex-direction:column; gap:8px; margin-bottom:1em; }
.card ul li{ font-size:.86rem; color:var(--ink-soft); display:flex; gap:9px; align-items:flex-start; }
.card ul li::before{ content:"→"; color:var(--orange-600); font-weight:700; flex-shrink:0; }
.card-tag{
  display:inline-block; font-family:var(--font-mono); font-size:.68rem; letter-spacing:.08em; text-transform:uppercase;
  padding:4px 10px; border-radius:999px; margin-bottom:14px; font-weight:600;
}
.tag-standard{ background:#e6effb; color:var(--navy-800); }
.tag-fast{ background:#e3f7f2; color:var(--teal-600); }
.tag-micro{ background:#fdece0; color:var(--orange-700); }

/* product band top accent */
.card--accent{ border-top:4px solid var(--navy-800); }
.card--accent.acc-fast{ border-top-color:var(--teal-500,#14a08f); }
.card--accent.acc-micro{ border-top-color:var(--orange-600); }

/* ---------------- Feature / stat blocks ---------------- */
.feat{ text-align:left; }
.feat .card-icon{ background:var(--grad-navy); }
.feat .card-icon svg{ stroke:#fff; }
.feat h4{ font-size:1.02rem; margin-bottom:.35em; color:var(--navy-900); }
.feat p{ font-size:.87rem; }

/* ---------------- Bio-marker chips / table ---------------- */
.chip-scroll{ display:flex; gap:10px; overflow-x:auto; padding:6px 2px 18px; }
.chip{
  flex:0 0 auto; font-family:var(--font-mono); font-size:.78rem; padding:9px 16px;
  border-radius:999px; border:1px solid var(--line); background:var(--white); color:var(--navy-800);
  font-weight:600;
}
table.biomarkers{ width:100%; border-collapse:collapse; background:var(--white); border-radius:var(--radius-m); overflow:hidden; box-shadow:var(--shadow-s); }
table.biomarkers th{
  text-align:left; font-family:var(--font-display); font-size:.86rem; letter-spacing:.02em;
  background:var(--navy-900); color:#fff; padding:14px 18px;
}
table.biomarkers td{ padding:16px 18px; border-bottom:1px solid var(--line-soft); font-size:.88rem; color:var(--ink-soft); vertical-align:top; }
table.biomarkers tr:last-child td{ border-bottom:none; }
table.biomarkers tr:hover td{ background:var(--paper); }
table.biomarkers td.cat{ font-weight:700; color:var(--navy-900); white-space:nowrap; }
table.biomarkers td.app{ color:var(--teal-600); font-size:.82rem; font-weight:600; }

/* ---------------- CTA band ---------------- */
.cta-band{
  background:var(--grad-navy); border-radius:var(--radius-l); padding:56px;
  display:flex; align-items:center; justify-content:space-between; gap:30px; flex-wrap:wrap;
  color:#fff; position:relative; overflow:hidden;
}
.cta-band::before{
  content:""; position:absolute; right:-60px; top:-60px; width:260px; height:260px; border-radius:50%;
  background:var(--grad-signal); opacity:.18; filter:blur(10px);
}
.cta-band h3{ color:#fff; font-size:1.6rem; margin-bottom:.25em; position:relative; }
.cta-band p{ color:#c7d5e8; margin:0; position:relative; }
.cta-band .btn-primary{ position:relative; }

/* ---------------- Footer ---------------- */
.site-footer{ background:var(--navy-950); color:#c7d5e8; padding:64px 0 28px; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1.2fr; gap:40px; }
.footer-brand .brand-word{ color:#fff; }
.footer-brand p{ color:#8fa4c0; font-size:.88rem; margin-top:14px; max-width:280px; }
.site-footer h5{ color:#fff; font-family:var(--font-display); font-size:.92rem; letter-spacing:.03em; margin-bottom:16px; text-transform:uppercase; }
.site-footer ul{ display:flex; flex-direction:column; gap:10px; }
.site-footer a{ color:#9db3cc; font-size:.9rem; transition:color .15s; }
.site-footer a:hover{ color:#fff; }
.footer-contact li{ display:flex; gap:10px; font-size:.88rem; color:#9db3cc; align-items:flex-start; }
.footer-contact svg{ flex-shrink:0; margin-top:2px; width:16px; height:16px; stroke:var(--teal-400); }
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08); margin-top:48px; padding-top:22px;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; font-size:.8rem; color:#6f87a4;
}
.social-row{ display:flex; gap:10px; margin-top:16px; }
.social-row a{
  width:34px; height:34px; border-radius:50%; border:1px solid rgba(255,255,255,.14);
  display:flex; align-items:center; justify-content:center;
}
.social-row a:hover{ background:rgba(255,255,255,.08); }

/* ---------------- Page header (inner pages) ---------------- */
.page-header{
  background:var(--grad-navy); color:#fff; padding:64px 0 54px; position:relative; overflow:hidden;
}
.page-header::after{
  content:""; position:absolute; inset:0; opacity:.3;
  background-image:radial-gradient(circle,rgba(255,255,255,.12) 1px,transparent 1.4px);
  background-size:24px 24px;
}
.page-header .wrap{ position:relative; z-index:1; }
.breadcrumb{ font-family:var(--font-mono); font-size:.78rem; color:#9db3cc; margin-bottom:16px; }
.breadcrumb a:hover{ color:#fff; }
.page-header h1{ color:#fff; font-size:clamp(1.9rem,3.4vw,2.7rem); max-width:760px; }
.page-header p{ color:#c7d5e8; max-width:640px; font-size:1.05rem; }

/* ---------------- Forms ---------------- */
.form-card{ background:var(--white); border:1px solid var(--line); border-radius:var(--radius-l); padding:40px; box-shadow:var(--shadow-m); }
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.field{ display:flex; flex-direction:column; gap:7px; margin-bottom:18px; }
.field.full{ grid-column:1/-1; }
.field label{ font-size:.83rem; font-weight:600; color:var(--navy-900); }
.field .req{ color:var(--orange-600); }
.field input, .field select, .field textarea{
  border:1.5px solid var(--line); border-radius:var(--radius-s); padding:12px 14px;
  font-family:var(--font-body); font-size:.94rem; color:var(--ink); background:var(--paper);
  transition:border-color .15s;
}
.field input:focus, .field select:focus, .field textarea:focus{ border-color:var(--teal-400); outline:none; background:#fff; }
.field textarea{ resize:vertical; min-height:110px; }
.form-note{ font-size:.78rem; color:var(--ink-soft); margin-top:6px; }

/* ---------------- Misc components ---------------- */
.divider-dots{ display:flex; gap:6px; align-items:center; margin:8px 0 30px; }
.divider-dots span{ width:6px; height:6px; border-radius:50%; }
.divider-dots span:nth-child(1){ background:var(--orange-600); }
.divider-dots span:nth-child(2){ background:var(--amber-500); }
.divider-dots span:nth-child(3){ background:#8fc93a; }
.divider-dots span:nth-child(4){ background:var(--teal-400); }
.divider-dots span:nth-child(5){ background:var(--blue-500); }
.divider-dots span:nth-child(6){ background:var(--navy-800); }

.pill-list{ display:flex; flex-wrap:wrap; gap:10px; }
.pill{ font-size:.82rem; font-weight:600; padding:8px 15px; background:var(--paper-alt); border-radius:999px; color:var(--navy-800); }

.two-col-copy{ display:grid; grid-template-columns:.9fr 1.1fr; gap:56px; align-items:start; }

.timeline{ position:relative; padding-left:28px; }
.timeline::before{ content:""; position:absolute; left:5px; top:6px; bottom:6px; width:2px; background:var(--line); }
.timeline-step{ position:relative; padding-bottom:32px; }
.timeline-step:last-child{ padding-bottom:0; }
.timeline-step::before{
  content:""; position:absolute; left:-28px; top:2px; width:12px; height:12px; border-radius:50%;
  background:var(--white); border:3px solid var(--orange-600);
}
.timeline-step h4{ margin-bottom:.3em; font-size:1rem; }
.timeline-step p{ font-size:.9rem; margin:0; }

.stat-row{ display:flex; gap:0; border:1px solid var(--line); border-radius:var(--radius-l); overflow:hidden; background:#fff; }
.stat-cell{ flex:1; padding:28px 20px; text-align:center; border-right:1px solid var(--line-soft); }
.stat-cell:last-child{ border-right:none; }
.stat-cell b{ display:block; font-family:var(--font-display); font-size:1.9rem; color:var(--navy-900); }
.stat-cell span{ font-size:.78rem; color:var(--ink-soft); }

.accordion-item{ border-bottom:1px solid var(--line); }
.accordion-q{
  width:100%; text-align:left; background:none; border:none; cursor:pointer;
  padding:20px 4px; font-family:var(--font-display); font-size:1.02rem; color:var(--navy-900);
  display:flex; justify-content:space-between; align-items:center; gap:16px;
}
.accordion-q .plus{ font-size:1.3rem; color:var(--orange-600); transition:transform .2s; flex-shrink:0; }
.accordion-item.is-open .plus{ transform:rotate(45deg); }
.accordion-a{ max-height:0; overflow:hidden; transition:max-height .25s ease; }
.accordion-a p{ padding:0 4px 20px; font-size:.92rem; }

.badge-row{ display:flex; gap:16px; flex-wrap:wrap; margin-top:8px; }
.badge{
  display:flex; align-items:center; gap:10px; font-size:.83rem; font-weight:600; color:var(--navy-800);
  background:#fff; border:1px solid var(--line); padding:10px 16px; border-radius:999px;
}
.badge svg{ width:16px; height:16px; stroke:var(--teal-600); }

/* map/contact block */
.contact-block{ display:grid; grid-template-columns:1fr 1fr; gap:36px; }
.contact-info-card{ background:var(--white); border:1px solid var(--line); border-radius:var(--radius-l); padding:32px; }
.contact-info-card h4{ font-size:1rem; }
.info-row{ display:flex; gap:14px; padding:16px 0; border-bottom:1px solid var(--line-soft); }
.info-row:last-child{ border-bottom:none; }
.info-row .ic{ width:38px; height:38px; border-radius:10px; background:var(--paper-alt); display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.info-row .ic svg{ width:18px; height:18px; stroke:var(--navy-800); }
.info-row b{ display:block; font-size:.88rem; color:var(--navy-900); }
.info-row span, .info-row a{ font-size:.87rem; color:var(--ink-soft); }
.map-frame{ border-radius:var(--radius-l); overflow:hidden; border:1px solid var(--line); min-height:260px; }
.map-frame iframe{ width:100%; height:100%; min-height:260px; border:0; display:block; }

/* ---------------- Responsive ---------------- */
@media (max-width: 980px){
  .main-nav{ display:none; }
  .header-phone{ display:none; }
  .nav-toggle{ display:block; }
  .hero .wrap{ grid-template-columns:1fr; }
  .plate-visual{ margin:36px auto 0; }
  .grid-3, .grid-4{ grid-template-columns:1fr 1fr; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .two-col-copy{ grid-template-columns:1fr; }
  .contact-block{ grid-template-columns:1fr; }
  .grid-2{ grid-template-columns:1fr; }
}
@media (max-width: 640px){
  .section{ padding:56px 0; }
  .grid-3, .grid-4{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr; gap:32px; }
  .form-grid{ grid-template-columns:1fr; }
  .stat-row{ flex-wrap:wrap; }
  .stat-cell{ flex:1 1 50%; border-bottom:1px solid var(--line-soft); }
  .cta-band{ padding:36px 24px; flex-direction:column; text-align:center; }
  table.biomarkers{ font-size:.8rem; }
  .serve-row{ padding:16px 0; }
}

/* Mobile nav drawer */
.mobile-nav{
  position:fixed; inset:0 0 0 auto; width:78%; max-width:320px; background:#fff; z-index:300;
  transform:translateX(100%); transition:transform .28s ease; padding:26px; box-shadow:-10px 0 30px rgba(0,0,0,.15);
  display:flex; flex-direction:column; gap:6px;
}
.mobile-nav.is-open{ transform:translateX(0); }
.mobile-nav a{ padding:14px 8px; font-weight:600; font-size:1.02rem; color:var(--navy-900); border-bottom:1px solid var(--line-soft); }
.mobile-nav-close{ align-self:flex-end; background:none; border:none; font-size:1.6rem; color:var(--ink-soft); cursor:pointer; margin-bottom:10px; }
.scrim{ position:fixed; inset:0; background:rgba(8,26,48,.4); z-index:299; opacity:0; pointer-events:none; transition:opacity .25s; }
.scrim.is-open{ opacity:1; pointer-events:auto; }

/* reveal-on-scroll */
.reveal{ opacity:0; transform:translateY(18px); transition:opacity .6s ease, transform .6s ease; }
.reveal.is-visible{ opacity:1; transform:translateY(0); }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  .reveal{ opacity:1; transform:none; transition:none; }
  .btn:hover{ transform:none; }
}